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change approach again

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This commit is contained in:
Wolfgang Hottgenroth
2018-05-09 14:31:22 +02:00
parent 54a933c83a
commit 0686e02b75
2252 changed files with 864743 additions and 270 deletions
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292
node_modules/nodemailer/lib/addressparser/index.js generated vendored Normal file
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'use strict';
/**
* Converts tokens for a single address into an address object
*
* @param {Array} tokens Tokens object
* @return {Object} Address object
*/
function _handleAddress(tokens) {
let token;
let isGroup = false;
let state = 'text';
let address;
let addresses = [];
let data = {
address: [],
comment: [],
group: [],
text: []
};
let i;
let len;
// Filter out <addresses>, (comments) and regular text
for (i = 0, len = tokens.length; i < len; i++) {
token = tokens[i];
if (token.type === 'operator') {
switch (token.value) {
case '<':
state = 'address';
break;
case '(':
state = 'comment';
break;
case ':':
state = 'group';
isGroup = true;
break;
default:
state = 'text';
}
} else if (token.value) {
if (state === 'address') {
// handle use case where unquoted name includes a "<"
// Apple Mail truncates everything between an unexpected < and an address
// and so will we
token.value = token.value.replace(/^[^<]*<\s*/, '');
}
data[state].push(token.value);
}
}
// If there is no text but a comment, replace the two
if (!data.text.length && data.comment.length) {
data.text = data.comment;
data.comment = [];
}
if (isGroup) {
// http://tools.ietf.org/html/rfc2822#appendix-A.1.3
data.text = data.text.join(' ');
addresses.push({
name: data.text || (address && address.name),
group: data.group.length ? addressparser(data.group.join(',')) : []
});
} else {
// If no address was found, try to detect one from regular text
if (!data.address.length && data.text.length) {
for (i = data.text.length - 1; i >= 0; i--) {
if (data.text[i].match(/^[^@\s]+@[^@\s]+$/)) {
data.address = data.text.splice(i, 1);
break;
}
}
let _regexHandler = function(address) {
if (!data.address.length) {
data.address = [address.trim()];
return ' ';
} else {
return address;
}
};
// still no address
if (!data.address.length) {
for (i = data.text.length - 1; i >= 0; i--) {
// fixed the regex to parse email address correctly when email address has more than one @
data.text[i] = data.text[i].replace(/\s*\b[^@\s]+@[^\s]+\b\s*/, _regexHandler).trim();
if (data.address.length) {
break;
}
}
}
}
// If there's still is no text but a comment exixts, replace the two
if (!data.text.length && data.comment.length) {
data.text = data.comment;
data.comment = [];
}
// Keep only the first address occurence, push others to regular text
if (data.address.length > 1) {
data.text = data.text.concat(data.address.splice(1));
}
// Join values with spaces
data.text = data.text.join(' ');
data.address = data.address.join(' ');
if (!data.address && isGroup) {
return [];
} else {
address = {
address: data.address || data.text || '',
name: data.text || data.address || ''
};
if (address.address === address.name) {
if ((address.address || '').match(/@/)) {
address.name = '';
} else {
address.address = '';
}
}
addresses.push(address);
}
}
return addresses;
}
/**
* Creates a Tokenizer object for tokenizing address field strings
*
* @constructor
* @param {String} str Address field string
*/
class Tokenizer {
constructor(str) {
this.str = (str || '').toString();
this.operatorCurrent = '';
this.operatorExpecting = '';
this.node = null;
this.escaped = false;
this.list = [];
/**
* Operator tokens and which tokens are expected to end the sequence
*/
this.operators = {
'"': '"',
'(': ')',
'<': '>',
',': '',
':': ';',
// Semicolons are not a legal delimiter per the RFC2822 grammar other
// than for terminating a group, but they are also not valid for any
// other use in this context. Given that some mail clients have
// historically allowed the semicolon as a delimiter equivalent to the
// comma in their UI, it makes sense to treat them the same as a comma
// when used outside of a group.
';': ''
};
}
/**
* Tokenizes the original input string
*
* @return {Array} An array of operator|text tokens
*/
tokenize() {
let chr,
list = [];
for (let i = 0, len = this.str.length; i < len; i++) {
chr = this.str.charAt(i);
this.checkChar(chr);
}
this.list.forEach(node => {
node.value = (node.value || '').toString().trim();
if (node.value) {
list.push(node);
}
});
return list;
}
/**
* Checks if a character is an operator or text and acts accordingly
*
* @param {String} chr Character from the address field
*/
checkChar(chr) {
if ((chr in this.operators || chr === '\\') && this.escaped) {
this.escaped = false;
} else if (this.operatorExpecting && chr === this.operatorExpecting) {
this.node = {
type: 'operator',
value: chr
};
this.list.push(this.node);
this.node = null;
this.operatorExpecting = '';
this.escaped = false;
return;
} else if (!this.operatorExpecting && chr in this.operators) {
this.node = {
type: 'operator',
value: chr
};
this.list.push(this.node);
this.node = null;
this.operatorExpecting = this.operators[chr];
this.escaped = false;
return;
}
if (!this.escaped && chr === '\\') {
this.escaped = true;
return;
}
if (!this.node) {
this.node = {
type: 'text',
value: ''
};
this.list.push(this.node);
}
if (this.escaped && chr !== '\\') {
this.node.value += '\\';
}
this.node.value += chr;
this.escaped = false;
}
}
/**
* Parses structured e-mail addresses from an address field
*
* Example:
*
* 'Name <address@domain>'
*
* will be converted to
*
* [{name: 'Name', address: 'address@domain'}]
*
* @param {String} str Address field
* @return {Array} An array of address objects
*/
function addressparser(str) {
let tokenizer = new Tokenizer(str);
let tokens = tokenizer.tokenize();
let addresses = [];
let address = [];
let parsedAddresses = [];
tokens.forEach(token => {
if (token.type === 'operator' && (token.value === ',' || token.value === ';')) {
if (address.length) {
addresses.push(address);
}
address = [];
} else {
address.push(token);
}
});
if (address.length) {
addresses.push(address);
}
addresses.forEach(address => {
address = _handleAddress(address);
if (address.length) {
parsedAddresses = parsedAddresses.concat(address);
}
});
return parsedAddresses;
}
// expose to the world
module.exports = addressparser;

142
node_modules/nodemailer/lib/base64/index.js generated vendored Normal file
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'use strict';
const Transform = require('stream').Transform;
/**
* Encodes a Buffer into a base64 encoded string
*
* @param {Buffer} buffer Buffer to convert
* @returns {String} base64 encoded string
*/
function encode(buffer) {
if (typeof buffer === 'string') {
buffer = Buffer.from(buffer, 'utf-8');
}
return buffer.toString('base64');
}
/**
* Adds soft line breaks to a base64 string
*
* @param {String} str base64 encoded string that might need line wrapping
* @param {Number} [lineLength=76] Maximum allowed length for a line
* @returns {String} Soft-wrapped base64 encoded string
*/
function wrap(str, lineLength) {
str = (str || '').toString();
lineLength = lineLength || 76;
if (str.length <= lineLength) {
return str;
}
let result = [];
let pos = 0;
let chunkLength = lineLength * 1024;
while (pos < str.length) {
let wrappedLines = str
.substr(pos, chunkLength)
.replace(new RegExp('.{' + lineLength + '}', 'g'), '$&\r\n')
.trim();
result.push(wrappedLines);
pos += chunkLength;
}
return result.join('\r\n').trim();
}
/**
* Creates a transform stream for encoding data to base64 encoding
*
* @constructor
* @param {Object} options Stream options
* @param {Number} [options.lineLength=76] Maximum lenght for lines, set to false to disable wrapping
*/
class Encoder extends Transform {
constructor(options) {
super();
// init Transform
this.options = options || {};
if (this.options.lineLength !== false) {
this.options.lineLength = this.options.lineLength || 76;
}
this._curLine = '';
this._remainingBytes = false;
this.inputBytes = 0;
this.outputBytes = 0;
}
_transform(chunk, encoding, done) {
if (encoding !== 'buffer') {
chunk = Buffer.from(chunk, encoding);
}
if (!chunk || !chunk.length) {
return setImmediate(done);
}
this.inputBytes += chunk.length;
if (this._remainingBytes && this._remainingBytes.length) {
chunk = Buffer.concat([this._remainingBytes, chunk], this._remainingBytes.length + chunk.length);
this._remainingBytes = false;
}
if (chunk.length % 3) {
this._remainingBytes = chunk.slice(chunk.length - chunk.length % 3);
chunk = chunk.slice(0, chunk.length - chunk.length % 3);
} else {
this._remainingBytes = false;
}
let b64 = this._curLine + encode(chunk);
if (this.options.lineLength) {
b64 = wrap(b64, this.options.lineLength);
// remove last line as it is still most probably incomplete
let lastLF = b64.lastIndexOf('\n');
if (lastLF < 0) {
this._curLine = b64;
b64 = '';
} else if (lastLF === b64.length - 1) {
this._curLine = '';
} else {
this._curLine = b64.substr(lastLF + 1);
b64 = b64.substr(0, lastLF + 1);
}
}
if (b64) {
this.outputBytes += b64.length;
this.push(Buffer.from(b64, 'ascii'));
}
setImmediate(done);
}
_flush(done) {
if (this._remainingBytes && this._remainingBytes.length) {
this._curLine += encode(this._remainingBytes);
}
if (this._curLine) {
this._curLine = wrap(this._curLine, this.options.lineLength);
this.outputBytes += this._curLine.length;
this.push(this._curLine, 'ascii');
this._curLine = '';
}
done();
}
}
// expose to the world
module.exports = {
encode,
wrap,
Encoder
};

250
node_modules/nodemailer/lib/dkim/index.js generated vendored Normal file
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'use strict';
// FIXME:
// replace this Transform mess with a method that pipes input argument to output argument
const MessageParser = require('./message-parser');
const RelaxedBody = require('./relaxed-body');
const sign = require('./sign');
const PassThrough = require('stream').PassThrough;
const fs = require('fs');
const path = require('path');
const crypto = require('crypto');
const DKIM_ALGO = 'sha256';
const MAX_MESSAGE_SIZE = 128 * 1024; // buffer messages larger than this to disk
/*
// Usage:
let dkim = new DKIM({
domainName: 'example.com',
keySelector: 'key-selector',
privateKey,
cacheDir: '/tmp'
});
dkim.sign(input).pipe(process.stdout);
// Where inputStream is a rfc822 message (either a stream, string or Buffer)
// and outputStream is a DKIM signed rfc822 message
*/
class DKIMSigner {
constructor(options, keys, input, output) {
this.options = options || {};
this.keys = keys;
this.cacheTreshold = Number(this.options.cacheTreshold) || MAX_MESSAGE_SIZE;
this.hashAlgo = this.options.hashAlgo || DKIM_ALGO;
this.cacheDir = this.options.cacheDir || false;
this.chunks = [];
this.chunklen = 0;
this.readPos = 0;
this.cachePath = this.cacheDir ? path.join(this.cacheDir, 'message.' + Date.now() + '-' + crypto.randomBytes(14).toString('hex')) : false;
this.cache = false;
this.headers = false;
this.bodyHash = false;
this.parser = false;
this.relaxedBody = false;
this.input = input;
this.output = output;
this.output.usingCache = false;
this.errored = false;
this.input.on('error', err => {
this.errored = true;
this.cleanup();
output.emit('error', err);
});
}
cleanup() {
if (!this.cache || !this.cachePath) {
return;
}
fs.unlink(this.cachePath, () => false);
}
createReadCache() {
// pipe remainings to cache file
this.cache = fs.createReadStream(this.cachePath);
this.cache.once('error', err => {
this.cleanup();
this.output.emit('error', err);
});
this.cache.once('close', () => {
this.cleanup();
});
this.cache.pipe(this.output);
}
sendNextChunk() {
if (this.errored) {
return;
}
if (this.readPos >= this.chunks.length) {
if (!this.cache) {
return this.output.end();
}
return this.createReadCache();
}
let chunk = this.chunks[this.readPos++];
if (this.output.write(chunk) === false) {
return this.output.once('drain', () => {
this.sendNextChunk();
});
}
setImmediate(() => this.sendNextChunk());
}
sendSignedOutput() {
let keyPos = 0;
let signNextKey = () => {
if (keyPos >= this.keys.length) {
this.output.write(this.parser.rawHeaders);
return setImmediate(() => this.sendNextChunk());
}
let key = this.keys[keyPos++];
let dkimField = sign(this.headers, this.hashAlgo, this.bodyHash, {
domainName: key.domainName,
keySelector: key.keySelector,
privateKey: key.privateKey,
headerFieldNames: this.options.headerFieldNames,
skipFields: this.options.skipFields
});
if (dkimField) {
this.output.write(Buffer.from(dkimField + '\r\n'));
}
return setImmediate(signNextKey);
};
if (this.bodyHash && this.headers) {
return signNextKey();
}
this.output.write(this.parser.rawHeaders);
this.sendNextChunk();
}
createWriteCache() {
this.output.usingCache = true;
// pipe remainings to cache file
this.cache = fs.createWriteStream(this.cachePath);
this.cache.once('error', err => {
this.cleanup();
// drain input
this.relaxedBody.unpipe(this.cache);
this.relaxedBody.on('readable', () => {
while (this.relaxedBody.read() !== null) {
// do nothing
}
});
this.errored = true;
// emit error
this.output.emit('error', err);
});
this.cache.once('close', () => {
this.sendSignedOutput();
});
this.relaxedBody.pipe(this.cache);
}
signStream() {
this.parser = new MessageParser();
this.relaxedBody = new RelaxedBody({
hashAlgo: this.hashAlgo
});
this.parser.on('headers', value => {
this.headers = value;
});
this.relaxedBody.on('hash', value => {
this.bodyHash = value;
});
this.relaxedBody.on('readable', () => {
let chunk;
if (this.cache) {
return;
}
while ((chunk = this.relaxedBody.read()) !== null) {
this.chunks.push(chunk);
this.chunklen += chunk.length;
if (this.chunklen >= this.cacheTreshold && this.cachePath) {
return this.createWriteCache();
}
}
});
this.relaxedBody.on('end', () => {
if (this.cache) {
return;
}
this.sendSignedOutput();
});
this.parser.pipe(this.relaxedBody);
setImmediate(() => this.input.pipe(this.parser));
}
}
class DKIM {
constructor(options) {
this.options = options || {};
this.keys = [].concat(
this.options.keys || {
domainName: options.domainName,
keySelector: options.keySelector,
privateKey: options.privateKey
}
);
}
sign(input, extraOptions) {
let output = new PassThrough();
let inputStream = input;
let writeValue = false;
if (Buffer.isBuffer(input)) {
writeValue = input;
inputStream = new PassThrough();
} else if (typeof input === 'string') {
writeValue = Buffer.from(input);
inputStream = new PassThrough();
}
let options = this.options;
if (extraOptions && Object.keys(extraOptions).length) {
options = {};
Object.keys(this.options || {}).forEach(key => {
options[key] = this.options[key];
});
Object.keys(extraOptions || {}).forEach(key => {
if (!(key in options)) {
options[key] = extraOptions[key];
}
});
}
let signer = new DKIMSigner(options, this.keys, inputStream, output);
setImmediate(() => {
signer.signStream();
if (writeValue) {
setImmediate(() => {
inputStream.end(writeValue);
});
}
});
return output;
}
}
module.exports = DKIM;

156
node_modules/nodemailer/lib/dkim/message-parser.js generated vendored Normal file
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'use strict';
const Transform = require('stream').Transform;
/**
* MessageParser instance is a transform stream that separates message headers
* from the rest of the body. Headers are emitted with the 'headers' event. Message
* body is passed on as the resulting stream.
*/
class MessageParser extends Transform {
constructor(options) {
super(options);
this.lastBytes = Buffer.alloc(4);
this.headersParsed = false;
this.headerBytes = 0;
this.headerChunks = [];
this.rawHeaders = false;
this.bodySize = 0;
}
/**
* Keeps count of the last 4 bytes in order to detect line breaks on chunk boundaries
*
* @param {Buffer} data Next data chunk from the stream
*/
updateLastBytes(data) {
let lblen = this.lastBytes.length;
let nblen = Math.min(data.length, lblen);
// shift existing bytes
for (let i = 0, len = lblen - nblen; i < len; i++) {
this.lastBytes[i] = this.lastBytes[i + nblen];
}
// add new bytes
for (let i = 1; i <= nblen; i++) {
this.lastBytes[lblen - i] = data[data.length - i];
}
}
/**
* Finds and removes message headers from the remaining body. We want to keep
* headers separated until final delivery to be able to modify these
*
* @param {Buffer} data Next chunk of data
* @return {Boolean} Returns true if headers are already found or false otherwise
*/
checkHeaders(data) {
if (this.headersParsed) {
return true;
}
let lblen = this.lastBytes.length;
let headerPos = 0;
this.curLinePos = 0;
for (let i = 0, len = this.lastBytes.length + data.length; i < len; i++) {
let chr;
if (i < lblen) {
chr = this.lastBytes[i];
} else {
chr = data[i - lblen];
}
if (chr === 0x0a && i) {
let pr1 = i - 1 < lblen ? this.lastBytes[i - 1] : data[i - 1 - lblen];
let pr2 = i > 1 ? (i - 2 < lblen ? this.lastBytes[i - 2] : data[i - 2 - lblen]) : false;
if (pr1 === 0x0a) {
this.headersParsed = true;
headerPos = i - lblen + 1;
this.headerBytes += headerPos;
break;
} else if (pr1 === 0x0d && pr2 === 0x0a) {
this.headersParsed = true;
headerPos = i - lblen + 1;
this.headerBytes += headerPos;
break;
}
}
}
if (this.headersParsed) {
this.headerChunks.push(data.slice(0, headerPos));
this.rawHeaders = Buffer.concat(this.headerChunks, this.headerBytes);
this.headerChunks = null;
this.emit('headers', this.parseHeaders());
if (data.length - 1 > headerPos) {
let chunk = data.slice(headerPos);
this.bodySize += chunk.length;
// this would be the first chunk of data sent downstream
setImmediate(() => this.push(chunk));
}
return false;
} else {
this.headerBytes += data.length;
this.headerChunks.push(data);
}
// store last 4 bytes to catch header break
this.updateLastBytes(data);
return false;
}
_transform(chunk, encoding, callback) {
if (!chunk || !chunk.length) {
return callback();
}
if (typeof chunk === 'string') {
chunk = Buffer.from(chunk, encoding);
}
let headersFound;
try {
headersFound = this.checkHeaders(chunk);
} catch (E) {
return callback(E);
}
if (headersFound) {
this.bodySize += chunk.length;
this.push(chunk);
}
setImmediate(callback);
}
_flush(callback) {
if (this.headerChunks) {
let chunk = Buffer.concat(this.headerChunks, this.headerBytes);
this.bodySize += chunk.length;
this.push(chunk);
this.headerChunks = null;
}
callback();
}
parseHeaders() {
let lines = (this.rawHeaders || '').toString().split(/\r?\n/);
for (let i = lines.length - 1; i > 0; i--) {
if (/^\s/.test(lines[i])) {
lines[i - 1] += '\n' + lines[i];
lines.splice(i, 1);
}
}
return lines.filter(line => line.trim()).map(line => ({
key: line
.substr(0, line.indexOf(':'))
.trim()
.toLowerCase(),
line
}));
}
}
module.exports = MessageParser;

154
node_modules/nodemailer/lib/dkim/relaxed-body.js generated vendored Normal file
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'use strict';
// streams through a message body and calculates relaxed body hash
const Transform = require('stream').Transform;
const crypto = require('crypto');
class RelaxedBody extends Transform {
constructor(options) {
super();
options = options || {};
this.chunkBuffer = [];
this.chunkBufferLen = 0;
this.bodyHash = crypto.createHash(options.hashAlgo || 'sha1');
this.remainder = '';
this.byteLength = 0;
this.debug = options.debug;
this._debugBody = options.debug ? [] : false;
}
updateHash(chunk) {
let bodyStr;
// find next remainder
let nextRemainder = '';
// This crux finds and removes the spaces from the last line and the newline characters after the last non-empty line
// If we get another chunk that does not match this description then we can restore the previously processed data
let state = 'file';
for (let i = chunk.length - 1; i >= 0; i--) {
let c = chunk[i];
if (state === 'file' && (c === 0x0a || c === 0x0d)) {
// do nothing, found \n or \r at the end of chunk, stil end of file
} else if (state === 'file' && (c === 0x09 || c === 0x20)) {
// switch to line ending mode, this is the last non-empty line
state = 'line';
} else if (state === 'line' && (c === 0x09 || c === 0x20)) {
// do nothing, found ' ' or \t at the end of line, keep processing the last non-empty line
} else if (state === 'file' || state === 'line') {
// non line/file ending character found, switch to body mode
state = 'body';
if (i === chunk.length - 1) {
// final char is not part of line end or file end, so do nothing
break;
}
}
if (i === 0) {
// reached to the beginning of the chunk, check if it is still about the ending
// and if the remainder also matches
if (
(state === 'file' && (!this.remainder || /[\r\n]$/.test(this.remainder))) ||
(state === 'line' && (!this.remainder || /[ \t]$/.test(this.remainder)))
) {
// keep everything
this.remainder += chunk.toString('binary');
return;
} else if (state === 'line' || state === 'file') {
// process existing remainder as normal line but store the current chunk
nextRemainder = chunk.toString('binary');
chunk = false;
break;
}
}
if (state !== 'body') {
continue;
}
// reached first non ending byte
nextRemainder = chunk.slice(i + 1).toString('binary');
chunk = chunk.slice(0, i + 1);
break;
}
let needsFixing = !!this.remainder;
if (chunk && !needsFixing) {
// check if we even need to change anything
for (let i = 0, len = chunk.length; i < len; i++) {
if (i && chunk[i] === 0x0a && chunk[i - 1] !== 0x0d) {
// missing \r before \n
needsFixing = true;
break;
} else if (i && chunk[i] === 0x0d && chunk[i - 1] === 0x20) {
// trailing WSP found
needsFixing = true;
break;
} else if (i && chunk[i] === 0x20 && chunk[i - 1] === 0x20) {
// multiple spaces found, needs to be replaced with just one
needsFixing = true;
break;
} else if (chunk[i] === 0x09) {
// TAB found, needs to be replaced with a space
needsFixing = true;
break;
}
}
}
if (needsFixing) {
bodyStr = this.remainder + (chunk ? chunk.toString('binary') : '');
this.remainder = nextRemainder;
bodyStr = bodyStr
.replace(/\r?\n/g, '\n') // use js line endings
.replace(/[ \t]*$/gm, '') // remove line endings, rtrim
.replace(/[ \t]+/gm, ' ') // single spaces
.replace(/\n/g, '\r\n'); // restore rfc822 line endings
chunk = Buffer.from(bodyStr, 'binary');
} else if (nextRemainder) {
this.remainder = nextRemainder;
}
if (this.debug) {
this._debugBody.push(chunk);
}
this.bodyHash.update(chunk);
}
_transform(chunk, encoding, callback) {
if (!chunk || !chunk.length) {
return callback();
}
if (typeof chunk === 'string') {
chunk = Buffer.from(chunk, encoding);
}
this.updateHash(chunk);
this.byteLength += chunk.length;
this.push(chunk);
callback();
}
_flush(callback) {
// generate final hash and emit it
if (/[\r\n]$/.test(this.remainder) && this.byteLength > 2) {
// add terminating line end
this.bodyHash.update(Buffer.from('\r\n'));
}
if (!this.byteLength) {
// emit empty line buffer to keep the stream flowing
this.push(Buffer.from('\r\n'));
// this.bodyHash.update(Buffer.from('\r\n'));
}
this.emit('hash', this.bodyHash.digest('base64'), this.debug ? Buffer.concat(this._debugBody) : false);
callback();
}
}
module.exports = RelaxedBody;

117
node_modules/nodemailer/lib/dkim/sign.js generated vendored Normal file
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'use strict';
const punycode = require('punycode');
const mimeFuncs = require('../mime-funcs');
const crypto = require('crypto');
/**
* Returns DKIM signature header line
*
* @param {Object} headers Parsed headers object from MessageParser
* @param {String} bodyHash Base64 encoded hash of the message
* @param {Object} options DKIM options
* @param {String} options.domainName Domain name to be signed for
* @param {String} options.keySelector DKIM key selector to use
* @param {String} options.privateKey DKIM private key to use
* @return {String} Complete header line
*/
module.exports = (headers, hashAlgo, bodyHash, options) => {
options = options || {};
// all listed fields from RFC4871 #5.5
let defaultFieldNames =
'From:Sender:Reply-To:Subject:Date:Message-ID:To:' +
'Cc:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-ID:' +
'Content-Description:Resent-Date:Resent-From:Resent-Sender:' +
'Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:' +
'List-Id:List-Help:List-Unsubscribe:List-Subscribe:List-Post:' +
'List-Owner:List-Archive';
let fieldNames = options.headerFieldNames || defaultFieldNames;
let canonicalizedHeaderData = relaxedHeaders(headers, fieldNames, options.skipFields);
let dkimHeader = generateDKIMHeader(options.domainName, options.keySelector, canonicalizedHeaderData.fieldNames, hashAlgo, bodyHash);
let signer, signature;
canonicalizedHeaderData.headers += 'dkim-signature:' + relaxedHeaderLine(dkimHeader);
signer = crypto.createSign(('rsa-' + hashAlgo).toUpperCase());
signer.update(canonicalizedHeaderData.headers);
try {
signature = signer.sign(options.privateKey, 'base64');
} catch (E) {
return false;
}
return dkimHeader + signature.replace(/(^.{73}|.{75}(?!\r?\n|\r))/g, '$&\r\n ').trim();
};
module.exports.relaxedHeaders = relaxedHeaders;
function generateDKIMHeader(domainName, keySelector, fieldNames, hashAlgo, bodyHash) {
let dkim = [
'v=1',
'a=rsa-' + hashAlgo,
'c=relaxed/relaxed',
'd=' + punycode.toASCII(domainName),
'q=dns/txt',
's=' + keySelector,
'bh=' + bodyHash,
'h=' + fieldNames
].join('; ');
return mimeFuncs.foldLines('DKIM-Signature: ' + dkim, 76) + ';\r\n b=';
}
function relaxedHeaders(headers, fieldNames, skipFields) {
let includedFields = new Set();
let skip = new Set();
let headerFields = new Map();
(skipFields || '')
.toLowerCase()
.split(':')
.forEach(field => {
skip.add(field.trim());
});
(fieldNames || '')
.toLowerCase()
.split(':')
.filter(field => !skip.has(field.trim()))
.forEach(field => {
includedFields.add(field.trim());
});
for (let i = headers.length - 1; i >= 0; i--) {
let line = headers[i];
// only include the first value from bottom to top
if (includedFields.has(line.key) && !headerFields.has(line.key)) {
headerFields.set(line.key, relaxedHeaderLine(line.line));
}
}
let headersList = [];
let fields = [];
includedFields.forEach(field => {
if (headerFields.has(field)) {
fields.push(field);
headersList.push(field + ':' + headerFields.get(field));
}
});
return {
headers: headersList.join('\r\n') + '\r\n',
fieldNames: fields.join(':')
};
}
function relaxedHeaderLine(line) {
return line
.substr(line.indexOf(':') + 1)
.replace(/\r?\n/g, '')
.replace(/\s+/g, ' ')
.trim();
}

284
node_modules/nodemailer/lib/fetch/cookies.js generated vendored Normal file
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'use strict';
// module to handle cookies
const urllib = require('url');
const SESSION_TIMEOUT = 1800; // 30 min
/**
* Creates a biskviit cookie jar for managing cookie values in memory
*
* @constructor
* @param {Object} [options] Optional options object
*/
class Cookies {
constructor(options) {
this.options = options || {};
this.cookies = [];
}
/**
* Stores a cookie string to the cookie storage
*
* @param {String} cookieStr Value from the 'Set-Cookie:' header
* @param {String} url Current URL
*/
set(cookieStr, url) {
let urlparts = urllib.parse(url || '');
let cookie = this.parse(cookieStr);
let domain;
if (cookie.domain) {
domain = cookie.domain.replace(/^\./, '');
// do not allow cross origin cookies
if (
// can't be valid if the requested domain is shorter than current hostname
urlparts.hostname.length < domain.length ||
// prefix domains with dot to be sure that partial matches are not used
('.' + urlparts.hostname).substr(-domain.length + 1) !== '.' + domain
) {
cookie.domain = urlparts.hostname;
}
} else {
cookie.domain = urlparts.hostname;
}
if (!cookie.path) {
cookie.path = this.getPath(urlparts.pathname);
}
// if no expire date, then use sessionTimeout value
if (!cookie.expires) {
cookie.expires = new Date(Date.now() + (Number(this.options.sessionTimeout || SESSION_TIMEOUT) || SESSION_TIMEOUT) * 1000);
}
return this.add(cookie);
}
/**
* Returns cookie string for the 'Cookie:' header.
*
* @param {String} url URL to check for
* @returns {String} Cookie header or empty string if no matches were found
*/
get(url) {
return this.list(url)
.map(cookie => cookie.name + '=' + cookie.value)
.join('; ');
}
/**
* Lists all valied cookie objects for the specified URL
*
* @param {String} url URL to check for
* @returns {Array} An array of cookie objects
*/
list(url) {
let result = [];
let i;
let cookie;
for (i = this.cookies.length - 1; i >= 0; i--) {
cookie = this.cookies[i];
if (this.isExpired(cookie)) {
this.cookies.splice(i, i);
continue;
}
if (this.match(cookie, url)) {
result.unshift(cookie);
}
}
return result;
}
/**
* Parses cookie string from the 'Set-Cookie:' header
*
* @param {String} cookieStr String from the 'Set-Cookie:' header
* @returns {Object} Cookie object
*/
parse(cookieStr) {
let cookie = {};
(cookieStr || '')
.toString()
.split(';')
.forEach(cookiePart => {
let valueParts = cookiePart.split('=');
let key = valueParts
.shift()
.trim()
.toLowerCase();
let value = valueParts.join('=').trim();
let domain;
if (!key) {
// skip empty parts
return;
}
switch (key) {
case 'expires':
value = new Date(value);
// ignore date if can not parse it
if (value.toString() !== 'Invalid Date') {
cookie.expires = value;
}
break;
case 'path':
cookie.path = value;
break;
case 'domain':
domain = value.toLowerCase();
if (domain.length && domain.charAt(0) !== '.') {
domain = '.' + domain; // ensure preceeding dot for user set domains
}
cookie.domain = domain;
break;
case 'max-age':
cookie.expires = new Date(Date.now() + (Number(value) || 0) * 1000);
break;
case 'secure':
cookie.secure = true;
break;
case 'httponly':
cookie.httponly = true;
break;
default:
if (!cookie.name) {
cookie.name = key;
cookie.value = value;
}
}
});
return cookie;
}
/**
* Checks if a cookie object is valid for a specified URL
*
* @param {Object} cookie Cookie object
* @param {String} url URL to check for
* @returns {Boolean} true if cookie is valid for specifiec URL
*/
match(cookie, url) {
let urlparts = urllib.parse(url || '');
// check if hostname matches
// .foo.com also matches subdomains, foo.com does not
if (
urlparts.hostname !== cookie.domain &&
(cookie.domain.charAt(0) !== '.' || ('.' + urlparts.hostname).substr(-cookie.domain.length) !== cookie.domain)
) {
return false;
}
// check if path matches
let path = this.getPath(urlparts.pathname);
if (path.substr(0, cookie.path.length) !== cookie.path) {
return false;
}
// check secure argument
if (cookie.secure && urlparts.protocol !== 'https:') {
return false;
}
return true;
}
/**
* Adds (or updates/removes if needed) a cookie object to the cookie storage
*
* @param {Object} cookie Cookie value to be stored
*/
add(cookie) {
let i;
let len;
// nothing to do here
if (!cookie || !cookie.name) {
return false;
}
// overwrite if has same params
for (i = 0, len = this.cookies.length; i < len; i++) {
if (this.compare(this.cookies[i], cookie)) {
// check if the cookie needs to be removed instead
if (this.isExpired(cookie)) {
this.cookies.splice(i, 1); // remove expired/unset cookie
return false;
}
this.cookies[i] = cookie;
return true;
}
}
// add as new if not already expired
if (!this.isExpired(cookie)) {
this.cookies.push(cookie);
}
return true;
}
/**
* Checks if two cookie objects are the same
*
* @param {Object} a Cookie to check against
* @param {Object} b Cookie to check against
* @returns {Boolean} True, if the cookies are the same
*/
compare(a, b) {
return a.name === b.name && a.path === b.path && a.domain === b.domain && a.secure === b.secure && a.httponly === a.httponly;
}
/**
* Checks if a cookie is expired
*
* @param {Object} cookie Cookie object to check against
* @returns {Boolean} True, if the cookie is expired
*/
isExpired(cookie) {
return (cookie.expires && cookie.expires < new Date()) || !cookie.value;
}
/**
* Returns normalized cookie path for an URL path argument
*
* @param {String} pathname
* @returns {String} Normalized path
*/
getPath(pathname) {
let path = (pathname || '/').split('/');
path.pop(); // remove filename part
path = path.join('/').trim();
// ensure path prefix /
if (path.charAt(0) !== '/') {
path = '/' + path;
}
// ensure path suffix /
if (path.substr(-1) !== '/') {
path += '/';
}
return path;
}
}
module.exports = Cookies;

277
node_modules/nodemailer/lib/fetch/index.js generated vendored Normal file
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'use strict';
const http = require('http');
const https = require('https');
const urllib = require('url');
const zlib = require('zlib');
const PassThrough = require('stream').PassThrough;
const Cookies = require('./cookies');
const packageData = require('../../package.json');
const MAX_REDIRECTS = 5;
module.exports = function(url, options) {
return fetch(url, options);
};
module.exports.Cookies = Cookies;
function fetch(url, options) {
options = options || {};
options.fetchRes = options.fetchRes || new PassThrough();
options.cookies = options.cookies || new Cookies();
options.redirects = options.redirects || 0;
options.maxRedirects = isNaN(options.maxRedirects) ? MAX_REDIRECTS : options.maxRedirects;
if (options.cookie) {
[].concat(options.cookie || []).forEach(cookie => {
options.cookies.set(cookie, url);
});
options.cookie = false;
}
let fetchRes = options.fetchRes;
let parsed = urllib.parse(url);
let method =
(options.method || '')
.toString()
.trim()
.toUpperCase() || 'GET';
let finished = false;
let cookies;
let body;
let handler = parsed.protocol === 'https:' ? https : http;
let headers = {
'accept-encoding': 'gzip,deflate',
'user-agent': 'nodemailer/' + packageData.version
};
Object.keys(options.headers || {}).forEach(key => {
headers[key.toLowerCase().trim()] = options.headers[key];
});
if (options.userAgent) {
headers['user-agent'] = options.userAgent;
}
if (parsed.auth) {
headers.Authorization = 'Basic ' + Buffer.from(parsed.auth).toString('base64');
}
if ((cookies = options.cookies.get(url))) {
headers.cookie = cookies;
}
if (options.body) {
if (options.contentType !== false) {
headers['Content-Type'] = options.contentType || 'application/x-www-form-urlencoded';
}
if (typeof options.body.pipe === 'function') {
// it's a stream
headers['Transfer-Encoding'] = 'chunked';
body = options.body;
body.on('error', err => {
if (finished) {
return;
}
finished = true;
err.type = 'FETCH';
err.sourceUrl = url;
fetchRes.emit('error', err);
});
} else {
if (options.body instanceof Buffer) {
body = options.body;
} else if (typeof options.body === 'object') {
try {
// encodeURIComponent can fail on invalid input (partial emoji etc.)
body = Buffer.from(
Object.keys(options.body)
.map(key => {
let value = options.body[key].toString().trim();
return encodeURIComponent(key) + '=' + encodeURIComponent(value);
})
.join('&')
);
} catch (E) {
if (finished) {
return;
}
finished = true;
E.type = 'FETCH';
E.sourceUrl = url;
fetchRes.emit('error', E);
return;
}
} else {
body = Buffer.from(options.body.toString().trim());
}
headers['Content-Type'] = options.contentType || 'application/x-www-form-urlencoded';
headers['Content-Length'] = body.length;
}
// if method is not provided, use POST instead of GET
method =
(options.method || '')
.toString()
.trim()
.toUpperCase() || 'POST';
}
let req;
let reqOptions = {
method,
host: parsed.hostname,
path: parsed.path,
port: parsed.port ? parsed.port : parsed.protocol === 'https:' ? 443 : 80,
headers,
rejectUnauthorized: false,
agent: false
};
if (options.tls) {
Object.keys(options.tls).forEach(key => {
reqOptions[key] = options.tls[key];
});
}
try {
req = handler.request(reqOptions);
} catch (E) {
finished = true;
setImmediate(() => {
E.type = 'FETCH';
E.sourceUrl = url;
fetchRes.emit('error', E);
});
return fetchRes;
}
if (options.timeout) {
req.setTimeout(options.timeout, () => {
if (finished) {
return;
}
finished = true;
req.abort();
let err = new Error('Request Timeout');
err.type = 'FETCH';
err.sourceUrl = url;
fetchRes.emit('error', err);
});
}
req.on('error', err => {
if (finished) {
return;
}
finished = true;
err.type = 'FETCH';
err.sourceUrl = url;
fetchRes.emit('error', err);
});
req.on('response', res => {
let inflate;
if (finished) {
return;
}
switch (res.headers['content-encoding']) {
case 'gzip':
case 'deflate':
inflate = zlib.createUnzip();
break;
}
if (res.headers['set-cookie']) {
[].concat(res.headers['set-cookie'] || []).forEach(cookie => {
options.cookies.set(cookie, url);
});
}
if ([301, 302, 303, 307, 308].includes(res.statusCode) && res.headers.location) {
// redirect
options.redirects++;
if (options.redirects > options.maxRedirects) {
finished = true;
let err = new Error('Maximum redirect count exceeded');
err.type = 'FETCH';
err.sourceUrl = url;
fetchRes.emit('error', err);
req.abort();
return;
}
// redirect does not include POST body
options.method = 'GET';
options.body = false;
return fetch(urllib.resolve(url, res.headers.location), options);
}
fetchRes.statusCode = res.statusCode;
fetchRes.headers = res.headers;
if (res.statusCode >= 300 && !options.allowErrorResponse) {
finished = true;
let err = new Error('Invalid status code ' + res.statusCode);
err.type = 'FETCH';
err.sourceUrl = url;
fetchRes.emit('error', err);
req.abort();
return;
}
res.on('error', err => {
if (finished) {
return;
}
finished = true;
err.type = 'FETCH';
err.sourceUrl = url;
fetchRes.emit('error', err);
req.abort();
});
if (inflate) {
res.pipe(inflate).pipe(fetchRes);
inflate.on('error', err => {
if (finished) {
return;
}
finished = true;
err.type = 'FETCH';
err.sourceUrl = url;
fetchRes.emit('error', err);
req.abort();
});
} else {
res.pipe(fetchRes);
}
});
setImmediate(() => {
if (body) {
try {
if (typeof body.pipe === 'function') {
return body.pipe(req);
} else {
req.write(body);
}
} catch (err) {
finished = true;
err.type = 'FETCH';
err.sourceUrl = url;
fetchRes.emit('error', err);
return;
}
}
req.end();
});
return fetchRes;
}

88
node_modules/nodemailer/lib/json-transport/index.js generated vendored Normal file
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'use strict';
const packageData = require('../../package.json');
const shared = require('../shared');
/**
* Generates a Transport object for Sendmail
*
* Possible options can be the following:
*
* * **path** optional path to sendmail binary
* * **newline** either 'windows' or 'unix'
* * **args** an array of arguments for the sendmail binary
*
* @constructor
* @param {Object} optional config parameter for the AWS Sendmail service
*/
class JSONTransport {
constructor(options) {
options = options || {};
this.options = options || {};
this.name = 'JSONTransport';
this.version = packageData.version;
this.logger = shared.getLogger(this.options, {
component: this.options.component || 'json-transport'
});
}
/**
* <p>Compiles a mailcomposer message and forwards it to handler that sends it.</p>
*
* @param {Object} emailMessage MailComposer object
* @param {Function} callback Callback function to run when the sending is completed
*/
send(mail, done) {
// Sendmail strips this header line by itself
mail.message.keepBcc = true;
let envelope = mail.data.envelope || mail.message.getEnvelope();
let messageId = mail.message.messageId();
let recipients = [].concat(envelope.to || []);
if (recipients.length > 3) {
recipients.push('...and ' + recipients.splice(2).length + ' more');
}
this.logger.info(
{
tnx: 'send',
messageId
},
'Composing JSON structure of %s to <%s>',
messageId,
recipients.join(', ')
);
setImmediate(() => {
mail.normalize((err, data) => {
if (err) {
this.logger.error(
{
err,
tnx: 'send',
messageId
},
'Failed building JSON structure for %s. %s',
messageId,
err.message
);
return done(err);
}
delete data.envelope;
delete data.normalizedHeaders;
return done(null, {
envelope,
messageId,
message: JSON.stringify(data)
});
});
});
}
}
module.exports = JSONTransport;

545
node_modules/nodemailer/lib/mail-composer/index.js generated vendored Normal file
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/* eslint no-undefined: 0 */
'use strict';
const MimeNode = require('../mime-node');
const mimeFuncs = require('../mime-funcs');
/**
* Creates the object for composing a MimeNode instance out from the mail options
*
* @constructor
* @param {Object} mail Mail options
*/
class MailComposer {
constructor(mail) {
this.mail = mail || {};
this.message = false;
}
/**
* Builds MimeNode instance
*/
compile() {
this._alternatives = this.getAlternatives();
this._htmlNode = this._alternatives.filter(alternative => /^text\/html\b/i.test(alternative.contentType)).pop();
this._attachments = this.getAttachments(!!this._htmlNode);
this._useRelated = !!(this._htmlNode && this._attachments.related.length);
this._useAlternative = this._alternatives.length > 1;
this._useMixed = this._attachments.attached.length > 1 || (this._alternatives.length && this._attachments.attached.length === 1);
// Compose MIME tree
if (this.mail.raw) {
this.message = new MimeNode().setRaw(this.mail.raw);
} else if (this._useMixed) {
this.message = this._createMixed();
} else if (this._useAlternative) {
this.message = this._createAlternative();
} else if (this._useRelated) {
this.message = this._createRelated();
} else {
this.message = this._createContentNode(
false,
[]
.concat(this._alternatives || [])
.concat(this._attachments.attached || [])
.shift() || {
contentType: 'text/plain',
content: ''
}
);
}
// Add custom headers
if (this.mail.headers) {
this.message.addHeader(this.mail.headers);
}
// Add headers to the root node, always overrides custom headers
['from', 'sender', 'to', 'cc', 'bcc', 'reply-to', 'in-reply-to', 'references', 'subject', 'message-id', 'date'].forEach(header => {
let key = header.replace(/-(\w)/g, (o, c) => c.toUpperCase());
if (this.mail[key]) {
this.message.setHeader(header, this.mail[key]);
}
});
// Sets custom envelope
if (this.mail.envelope) {
this.message.setEnvelope(this.mail.envelope);
}
// ensure Message-Id value
this.message.messageId();
return this.message;
}
/**
* List all attachments. Resulting attachment objects can be used as input for MimeNode nodes
*
* @param {Boolean} findRelated If true separate related attachments from attached ones
* @returns {Object} An object of arrays (`related` and `attached`)
*/
getAttachments(findRelated) {
let icalEvent, eventObject;
let attachments = [].concat(this.mail.attachments || []).map((attachment, i) => {
let data;
let isMessageNode = /^message\//i.test(attachment.contentType);
if (/^data:/i.test(attachment.path || attachment.href)) {
attachment = this._processDataUrl(attachment);
}
data = {
contentType: attachment.contentType || mimeFuncs.detectMimeType(attachment.filename || attachment.path || attachment.href || 'bin'),
contentDisposition: attachment.contentDisposition || (isMessageNode ? 'inline' : 'attachment'),
contentTransferEncoding: 'contentTransferEncoding' in attachment ? attachment.contentTransferEncoding : 'base64'
};
if (attachment.filename) {
data.filename = attachment.filename;
} else if (!isMessageNode && attachment.filename !== false) {
data.filename =
(attachment.path || attachment.href || '')
.split('/')
.pop()
.split('?')
.shift() || 'attachment-' + (i + 1);
if (data.filename.indexOf('.') < 0) {
data.filename += '.' + mimeFuncs.detectExtension(data.contentType);
}
}
if (/^https?:\/\//i.test(attachment.path)) {
attachment.href = attachment.path;
attachment.path = undefined;
}
if (attachment.cid) {
data.cid = attachment.cid;
}
if (attachment.raw) {
data.raw = attachment.raw;
} else if (attachment.path) {
data.content = {
path: attachment.path
};
} else if (attachment.href) {
data.content = {
href: attachment.href
};
} else {
data.content = attachment.content || '';
}
if (attachment.encoding) {
data.encoding = attachment.encoding;
}
if (attachment.headers) {
data.headers = attachment.headers;
}
return data;
});
if (this.mail.icalEvent) {
if (
typeof this.mail.icalEvent === 'object' &&
(this.mail.icalEvent.content || this.mail.icalEvent.path || this.mail.icalEvent.href || this.mail.icalEvent.raw)
) {
icalEvent = this.mail.icalEvent;
} else {
icalEvent = {
content: this.mail.icalEvent
};
}
eventObject = {};
Object.keys(icalEvent).forEach(key => {
eventObject[key] = icalEvent[key];
});
eventObject.contentType = 'application/ics';
if (!eventObject.headers) {
eventObject.headers = {};
}
eventObject.filename = eventObject.filename || 'invite.ics';
eventObject.headers['Content-Disposition'] = 'attachment';
eventObject.headers['Content-Transfer-Encoding'] = 'base64';
}
if (!findRelated) {
return {
attached: attachments.concat(eventObject || []),
related: []
};
} else {
return {
attached: attachments.filter(attachment => !attachment.cid).concat(eventObject || []),
related: attachments.filter(attachment => !!attachment.cid)
};
}
}
/**
* List alternatives. Resulting objects can be used as input for MimeNode nodes
*
* @returns {Array} An array of alternative elements. Includes the `text` and `html` values as well
*/
getAlternatives() {
let alternatives = [],
text,
html,
watchHtml,
icalEvent,
eventObject;
if (this.mail.text) {
if (typeof this.mail.text === 'object' && (this.mail.text.content || this.mail.text.path || this.mail.text.href || this.mail.text.raw)) {
text = this.mail.text;
} else {
text = {
content: this.mail.text
};
}
text.contentType = 'text/plain' + (!text.encoding && mimeFuncs.isPlainText(text.content) ? '' : '; charset=utf-8');
}
if (this.mail.watchHtml) {
if (
typeof this.mail.watchHtml === 'object' &&
(this.mail.watchHtml.content || this.mail.watchHtml.path || this.mail.watchHtml.href || this.mail.watchHtml.raw)
) {
watchHtml = this.mail.watchHtml;
} else {
watchHtml = {
content: this.mail.watchHtml
};
}
watchHtml.contentType = 'text/watch-html' + (!watchHtml.encoding && mimeFuncs.isPlainText(watchHtml.content) ? '' : '; charset=utf-8');
}
// only include the calendar alternative if there are no attachments
// otherwise you might end up in a blank screen on some clients
if (this.mail.icalEvent && !(this.mail.attachments && this.mail.attachments.length)) {
if (
typeof this.mail.icalEvent === 'object' &&
(this.mail.icalEvent.content || this.mail.icalEvent.path || this.mail.icalEvent.href || this.mail.icalEvent.raw)
) {
icalEvent = this.mail.icalEvent;
} else {
icalEvent = {
content: this.mail.icalEvent
};
}
eventObject = {};
Object.keys(icalEvent).forEach(key => {
eventObject[key] = icalEvent[key];
});
if (eventObject.content && typeof eventObject.content === 'object') {
// we are going to have the same attachment twice, so mark this to be
// resolved just once
eventObject.content._resolve = true;
}
eventObject.filename = false;
eventObject.contentType =
'text/calendar; charset="utf-8"; method=' +
(eventObject.method || 'PUBLISH')
.toString()
.trim()
.toUpperCase();
if (!eventObject.headers) {
eventObject.headers = {};
}
}
if (this.mail.html) {
if (typeof this.mail.html === 'object' && (this.mail.html.content || this.mail.html.path || this.mail.html.href || this.mail.html.raw)) {
html = this.mail.html;
} else {
html = {
content: this.mail.html
};
}
html.contentType = 'text/html' + (!html.encoding && mimeFuncs.isPlainText(html.content) ? '' : '; charset=utf-8');
}
[]
.concat(text || [])
.concat(watchHtml || [])
.concat(html || [])
.concat(eventObject || [])
.concat(this.mail.alternatives || [])
.forEach(alternative => {
let data;
if (/^data:/i.test(alternative.path || alternative.href)) {
alternative = this._processDataUrl(alternative);
}
data = {
contentType: alternative.contentType || mimeFuncs.detectMimeType(alternative.filename || alternative.path || alternative.href || 'txt'),
contentTransferEncoding: alternative.contentTransferEncoding
};
if (alternative.filename) {
data.filename = alternative.filename;
}
if (/^https?:\/\//i.test(alternative.path)) {
alternative.href = alternative.path;
alternative.path = undefined;
}
if (alternative.raw) {
data.raw = alternative.raw;
} else if (alternative.path) {
data.content = {
path: alternative.path
};
} else if (alternative.href) {
data.content = {
href: alternative.href
};
} else {
data.content = alternative.content || '';
}
if (alternative.encoding) {
data.encoding = alternative.encoding;
}
if (alternative.headers) {
data.headers = alternative.headers;
}
alternatives.push(data);
});
return alternatives;
}
/**
* Builds multipart/mixed node. It should always contain different type of elements on the same level
* eg. text + attachments
*
* @param {Object} parentNode Parent for this note. If it does not exist, a root node is created
* @returns {Object} MimeNode node element
*/
_createMixed(parentNode) {
let node;
if (!parentNode) {
node = new MimeNode('multipart/mixed', {
baseBoundary: this.mail.baseBoundary,
textEncoding: this.mail.textEncoding,
boundaryPrefix: this.mail.boundaryPrefix,
disableUrlAccess: this.mail.disableUrlAccess,
disableFileAccess: this.mail.disableFileAccess,
normalizeHeaderKey: this.mail.normalizeHeaderKey
});
} else {
node = parentNode.createChild('multipart/mixed', {
disableUrlAccess: this.mail.disableUrlAccess,
disableFileAccess: this.mail.disableFileAccess,
normalizeHeaderKey: this.mail.normalizeHeaderKey
});
}
if (this._useAlternative) {
this._createAlternative(node);
} else if (this._useRelated) {
this._createRelated(node);
}
[]
.concat((!this._useAlternative && this._alternatives) || [])
.concat(this._attachments.attached || [])
.forEach(element => {
// if the element is a html node from related subpart then ignore it
if (!this._useRelated || element !== this._htmlNode) {
this._createContentNode(node, element);
}
});
return node;
}
/**
* Builds multipart/alternative node. It should always contain same type of elements on the same level
* eg. text + html view of the same data
*
* @param {Object} parentNode Parent for this note. If it does not exist, a root node is created
* @returns {Object} MimeNode node element
*/
_createAlternative(parentNode) {
let node;
if (!parentNode) {
node = new MimeNode('multipart/alternative', {
baseBoundary: this.mail.baseBoundary,
textEncoding: this.mail.textEncoding,
boundaryPrefix: this.mail.boundaryPrefix,
disableUrlAccess: this.mail.disableUrlAccess,
disableFileAccess: this.mail.disableFileAccess,
normalizeHeaderKey: this.mail.normalizeHeaderKey
});
} else {
node = parentNode.createChild('multipart/alternative', {
disableUrlAccess: this.mail.disableUrlAccess,
disableFileAccess: this.mail.disableFileAccess,
normalizeHeaderKey: this.mail.normalizeHeaderKey
});
}
this._alternatives.forEach(alternative => {
if (this._useRelated && this._htmlNode === alternative) {
this._createRelated(node);
} else {
this._createContentNode(node, alternative);
}
});
return node;
}
/**
* Builds multipart/related node. It should always contain html node with related attachments
*
* @param {Object} parentNode Parent for this note. If it does not exist, a root node is created
* @returns {Object} MimeNode node element
*/
_createRelated(parentNode) {
let node;
if (!parentNode) {
node = new MimeNode('multipart/related; type="text/html"', {
baseBoundary: this.mail.baseBoundary,
textEncoding: this.mail.textEncoding,
boundaryPrefix: this.mail.boundaryPrefix,
disableUrlAccess: this.mail.disableUrlAccess,
disableFileAccess: this.mail.disableFileAccess,
normalizeHeaderKey: this.mail.normalizeHeaderKey
});
} else {
node = parentNode.createChild('multipart/related; type="text/html"', {
disableUrlAccess: this.mail.disableUrlAccess,
disableFileAccess: this.mail.disableFileAccess,
normalizeHeaderKey: this.mail.normalizeHeaderKey
});
}
this._createContentNode(node, this._htmlNode);
this._attachments.related.forEach(alternative => this._createContentNode(node, alternative));
return node;
}
/**
* Creates a regular node with contents
*
* @param {Object} parentNode Parent for this note. If it does not exist, a root node is created
* @param {Object} element Node data
* @returns {Object} MimeNode node element
*/
_createContentNode(parentNode, element) {
element = element || {};
element.content = element.content || '';
let node;
let encoding = (element.encoding || 'utf8')
.toString()
.toLowerCase()
.replace(/[-_\s]/g, '');
if (!parentNode) {
node = new MimeNode(element.contentType, {
filename: element.filename,
baseBoundary: this.mail.baseBoundary,
textEncoding: this.mail.textEncoding,
boundaryPrefix: this.mail.boundaryPrefix,
disableUrlAccess: this.mail.disableUrlAccess,
disableFileAccess: this.mail.disableFileAccess
});
} else {
node = parentNode.createChild(element.contentType, {
filename: element.filename,
disableUrlAccess: this.mail.disableUrlAccess,
disableFileAccess: this.mail.disableFileAccess,
normalizeHeaderKey: this.mail.normalizeHeaderKey
});
}
// add custom headers
if (element.headers) {
node.addHeader(element.headers);
}
if (element.cid) {
node.setHeader('Content-Id', '<' + element.cid.replace(/[<>]/g, '') + '>');
}
if (element.contentTransferEncoding) {
node.setHeader('Content-Transfer-Encoding', element.contentTransferEncoding);
} else if (this.mail.encoding && /^text\//i.test(element.contentType)) {
node.setHeader('Content-Transfer-Encoding', this.mail.encoding);
}
if (!/^text\//i.test(element.contentType) || element.contentDisposition) {
node.setHeader('Content-Disposition', element.contentDisposition || (element.cid ? 'inline' : 'attachment'));
}
if (typeof element.content === 'string' && !['utf8', 'usascii', 'ascii'].includes(encoding)) {
element.content = Buffer.from(element.content, encoding);
}
// prefer pregenerated raw content
if (element.raw) {
node.setRaw(element.raw);
} else {
node.setContent(element.content);
}
return node;
}
/**
* Parses data uri and converts it to a Buffer
*
* @param {Object} element Content element
* @return {Object} Parsed element
*/
_processDataUrl(element) {
let parts = (element.path || element.href).match(/^data:((?:[^;]*;)*(?:[^,]*)),(.*)$/i);
if (!parts) {
return element;
}
element.content = /\bbase64$/i.test(parts[1]) ? Buffer.from(parts[2], 'base64') : Buffer.from(decodeURIComponent(parts[2]));
if ('path' in element) {
element.path = false;
}
if ('href' in element) {
element.href = false;
}
parts[1].split(';').forEach(item => {
if (/^\w+\/[^/]+$/i.test(item)) {
element.contentType = element.contentType || item.toLowerCase();
}
});
return element;
}
}
module.exports = MailComposer;

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'use strict';
const EventEmitter = require('events');
const shared = require('../shared');
const mimeTypes = require('../mime-funcs/mime-types');
const MailComposer = require('../mail-composer');
const DKIM = require('../dkim');
const httpProxyClient = require('../smtp-connection/http-proxy-client');
const util = require('util');
const urllib = require('url');
const packageData = require('../../package.json');
const MailMessage = require('./mail-message');
const net = require('net');
const dns = require('dns');
const crypto = require('crypto');
/**
* Creates an object for exposing the Mail API
*
* @constructor
* @param {Object} transporter Transport object instance to pass the mails to
*/
class Mail extends EventEmitter {
constructor(transporter, options, defaults) {
super();
this.options = options || {};
this._defaults = defaults || {};
this._defaultPlugins = {
compile: [(...args) => this._convertDataImages(...args)],
stream: []
};
this._userPlugins = {
compile: [],
stream: []
};
this.meta = new Map();
this.dkim = this.options.dkim ? new DKIM(this.options.dkim) : false;
this.transporter = transporter;
this.transporter.mailer = this;
this.logger = shared.getLogger(this.options, {
component: this.options.component || 'mail'
});
this.logger.debug(
{
tnx: 'create'
},
'Creating transport: %s',
this.getVersionString()
);
// setup emit handlers for the transporter
if (typeof transporter.on === 'function') {
// deprecated log interface
this.transporter.on('log', log => {
this.logger.debug(
{
tnx: 'transport'
},
'%s: %s',
log.type,
log.message
);
});
// transporter errors
this.transporter.on('error', err => {
this.logger.error(
{
err,
tnx: 'transport'
},
'Transport Error: %s',
err.message
);
this.emit('error', err);
});
// indicates if the sender has became idle
this.transporter.on('idle', (...args) => {
this.emit('idle', ...args);
});
}
/**
* Optional methods passed to the underlying transport object
*/
['close', 'isIdle', 'verify'].forEach(method => {
this[method] = (...args) => {
if (typeof this.transporter[method] === 'function') {
return this.transporter[method](...args);
} else {
this.logger.warn(
{
tnx: 'transport',
methodName: method
},
'Non existing method %s called for transport',
method
);
return false;
}
};
});
// setup proxy handling
if (this.options.proxy && typeof this.options.proxy === 'string') {
this.setupProxy(this.options.proxy);
}
}
use(step, plugin) {
step = (step || '').toString();
if (!this._userPlugins.hasOwnProperty(step)) {
this._userPlugins[step] = [plugin];
} else {
this._userPlugins[step].push(plugin);
}
}
/**
* Sends an email using the preselected transport object
*
* @param {Object} data E-data description
* @param {Function?} callback Callback to run once the sending succeeded or failed
*/
sendMail(data, callback) {
let promise;
if (!callback && typeof Promise === 'function') {
promise = new Promise((resolve, reject) => {
callback = shared.callbackPromise(resolve, reject);
});
}
if (typeof this.getSocket === 'function') {
this.transporter.getSocket = this.getSocket;
this.getSocket = false;
}
let mail = new MailMessage(this, data);
this.logger.debug(
{
tnx: 'transport',
name: this.transporter.name,
version: this.transporter.version,
action: 'send'
},
'Sending mail using %s/%s',
this.transporter.name,
this.transporter.version
);
this._processPlugins('compile', mail, err => {
if (err) {
this.logger.error(
{
err,
tnx: 'plugin',
action: 'compile'
},
'PluginCompile Error: %s',
err.message
);
return callback(err);
}
mail.message = new MailComposer(mail.data).compile();
mail.setMailerHeader();
mail.setPriorityHeaders();
mail.setListHeaders();
this._processPlugins('stream', mail, err => {
if (err) {
this.logger.error(
{
err,
tnx: 'plugin',
action: 'stream'
},
'PluginStream Error: %s',
err.message
);
return callback(err);
}
if (mail.data.dkim || this.dkim) {
mail.message.processFunc(input => {
let dkim = mail.data.dkim ? new DKIM(mail.data.dkim) : this.dkim;
this.logger.debug(
{
tnx: 'DKIM',
messageId: mail.message.messageId(),
dkimDomains: dkim.keys.map(key => key.keySelector + '.' + key.domainName).join(', ')
},
'Signing outgoing message with %s keys',
dkim.keys.length
);
return dkim.sign(input, mail.data._dkim);
});
}
this.transporter.send(mail, (...args) => {
if (args[0]) {
this.logger.error(
{
err: args[0],
tnx: 'transport',
action: 'send'
},
'Send Error: %s',
args[0].message
);
}
callback(...args);
});
});
});
return promise;
}
getVersionString() {
return util.format('%s (%s; +%s; %s/%s)', packageData.name, packageData.version, packageData.homepage, this.transporter.name, this.transporter.version);
}
_processPlugins(step, mail, callback) {
step = (step || '').toString();
if (!this._userPlugins.hasOwnProperty(step)) {
return callback();
}
let userPlugins = this._userPlugins[step] || [];
let defaultPlugins = this._defaultPlugins[step] || [];
if (userPlugins.length) {
this.logger.debug(
{
tnx: 'transaction',
pluginCount: userPlugins.length,
step
},
'Using %s plugins for %s',
userPlugins.length,
step
);
}
if (userPlugins.length + defaultPlugins.length === 0) {
return callback();
}
let pos = 0;
let block = 'default';
let processPlugins = () => {
let curplugins = block === 'default' ? defaultPlugins : userPlugins;
if (pos >= curplugins.length) {
if (block === 'default' && userPlugins.length) {
block = 'user';
pos = 0;
curplugins = userPlugins;
} else {
return callback();
}
}
let plugin = curplugins[pos++];
plugin(mail, err => {
if (err) {
return callback(err);
}
processPlugins();
});
};
processPlugins();
}
/**
* Sets up proxy handler for a Nodemailer object
*
* @param {String} proxyUrl Proxy configuration url
*/
setupProxy(proxyUrl) {
let proxy = urllib.parse(proxyUrl);
// setup socket handler for the mailer object
this.getSocket = (options, callback) => {
let protocol = proxy.protocol.replace(/:$/, '').toLowerCase();
if (this.meta.has('proxy_handler_' + protocol)) {
return this.meta.get('proxy_handler_' + protocol)(proxy, options, callback);
}
switch (protocol) {
// Connect using a HTTP CONNECT method
case 'http':
case 'https':
httpProxyClient(proxy.href, options.port, options.host, (err, socket) => {
if (err) {
return callback(err);
}
return callback(null, {
connection: socket
});
});
return;
case 'socks':
case 'socks5':
case 'socks4':
case 'socks4a': {
if (!this.meta.has('proxy_socks_module')) {
return callback(new Error('Socks module not loaded'));
}
let connect = ipaddress => {
let proxyV2 = !!this.meta.get('proxy_socks_module').SocksClient;
let socksClient = proxyV2 ? this.meta.get('proxy_socks_module').SocksClient : this.meta.get('proxy_socks_module');
let proxyType = Number(proxy.protocol.replace(/\D/g, '')) || 5;
let connectionOpts = {
proxy: {
ipaddress,
port: Number(proxy.port),
type: proxyType
},
[proxyV2 ? 'destination' : 'target']: {
host: options.host,
port: options.port
},
command: 'connect'
};
if (proxy.auth) {
let username = decodeURIComponent(proxy.auth.split(':').shift());
let password = decodeURIComponent(proxy.auth.split(':').pop());
if (proxyV2) {
connectionOpts.userId = username;
connectionOpts.password = password;
} else if (proxyType === 4) {
connectionOpts.userid = username;
} else {
connectionOpts.authentication = {
username,
password
};
}
}
socksClient.createConnection(connectionOpts, (err, info) => {
if (err) {
return callback(err);
}
return callback(null, {
connection: info.socket || info
});
});
};
if (net.isIP(proxy.hostname)) {
return connect(proxy.hostname);
}
return dns.resolve(proxy.hostname, (err, address) => {
if (err) {
return callback(err);
}
connect(address);
});
}
}
callback(new Error('Unknown proxy configuration'));
};
}
_convertDataImages(mail, callback) {
if ((!this.options.attachDataUrls && !mail.data.attachDataUrls) || !mail.data.html) {
return callback();
}
mail.resolveContent(mail.data, 'html', (err, html) => {
if (err) {
return callback(err);
}
let cidCounter = 0;
html = (html || '').toString().replace(/(<img\b[^>]* src\s*=[\s"']*)(data:([^;]+);[^"'>\s]+)/gi, (match, prefix, dataUri, mimeType) => {
let cid = crypto.randomBytes(10).toString('hex') + '@localhost';
if (!mail.data.attachments) {
mail.data.attachments = [];
}
if (!Array.isArray(mail.data.attachments)) {
mail.data.attachments = [].concat(mail.data.attachments || []);
}
mail.data.attachments.push({
path: dataUri,
cid,
filename: 'image-' + ++cidCounter + '.' + mimeTypes.detectExtension(mimeType)
});
return prefix + 'cid:' + cid;
});
mail.data.html = html;
callback();
});
}
set(key, value) {
return this.meta.set(key, value);
}
get(key) {
return this.meta.get(key);
}
}
module.exports = Mail;

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'use strict';
const shared = require('../shared');
const MimeNode = require('../mime-node');
const mimeFuncs = require('../mime-funcs');
class MailMessage {
constructor(mailer, data) {
this.mailer = mailer;
this.data = {};
this.message = null;
data = data || {};
let options = mailer.options || {};
let defaults = mailer._defaults || {};
Object.keys(data).forEach(key => {
this.data[key] = data[key];
});
this.data.headers = this.data.headers || {};
// apply defaults
Object.keys(defaults).forEach(key => {
if (!(key in this.data)) {
this.data[key] = defaults[key];
} else if (key === 'headers') {
// headers is a special case. Allow setting individual default headers
Object.keys(defaults.headers).forEach(key => {
if (!(key in this.data.headers)) {
this.data.headers[key] = defaults.headers[key];
}
});
}
});
// force specific keys from transporter options
['disableFileAccess', 'disableUrlAccess', 'normalizeHeaderKey'].forEach(key => {
if (key in options) {
this.data[key] = options[key];
}
});
}
resolveContent(...args) {
return shared.resolveContent(...args);
}
resolveAll(callback) {
let keys = [[this.data, 'html'], [this.data, 'text'], [this.data, 'watchHtml'], [this.data, 'icalEvent']];
if (this.data.alternatives && this.data.alternatives.length) {
this.data.alternatives.forEach((alternative, i) => {
keys.push([this.data.alternatives, i]);
});
}
if (this.data.attachments && this.data.attachments.length) {
this.data.attachments.forEach((attachment, i) => {
if (!attachment.filename) {
attachment.filename =
(attachment.path || attachment.href || '')
.split('/')
.pop()
.split('?')
.shift() || 'attachment-' + (i + 1);
if (attachment.filename.indexOf('.') < 0) {
attachment.filename += '.' + mimeFuncs.detectExtension(attachment.contentType);
}
}
if (!attachment.contentType) {
attachment.contentType = mimeFuncs.detectMimeType(attachment.filename || attachment.path || attachment.href || 'bin');
}
keys.push([this.data.attachments, i]);
});
}
let mimeNode = new MimeNode();
let addressKeys = ['from', 'to', 'cc', 'bcc', 'sender', 'replyTo'];
addressKeys.forEach(address => {
let value;
if (this.message) {
value = [].concat(mimeNode._parseAddresses(this.message.getHeader(address === 'replyTo' ? 'reply-to' : address)) || []);
} else if (this.data[address]) {
value = [].concat(mimeNode._parseAddresses(this.data[address]) || []);
}
if (value && value.length) {
this.data[address] = value;
} else if (address in this.data) {
this.data[address] = null;
}
});
let singleKeys = ['from', 'sender', 'replyTo'];
singleKeys.forEach(address => {
if (this.data[address]) {
this.data[address] = this.data[address].shift();
}
});
let pos = 0;
let resolveNext = () => {
if (pos >= keys.length) {
return callback(null, this.data);
}
let args = keys[pos++];
if (!args[0] || !args[0][args[1]]) {
return resolveNext();
}
shared.resolveContent(...args, (err, value) => {
if (err) {
return callback(err);
}
let node = {
content: value
};
if (args[0][args[1]] && typeof args[0][args[1]] === 'object' && !Buffer.isBuffer(args[0][args[1]])) {
Object.keys(args[0][args[1]]).forEach(key => {
if (!(key in node) && !['content', 'path', 'href', 'raw'].includes(key)) {
node[key] = args[0][args[1]][key];
}
});
}
args[0][args[1]] = node;
resolveNext();
});
};
setImmediate(() => resolveNext());
}
normalize(callback) {
let envelope = this.data.envelope || this.message.getEnvelope();
let messageId = this.message.messageId();
this.resolveAll((err, data) => {
if (err) {
return callback(err);
}
data.envelope = envelope;
data.messageId = messageId;
['html', 'text', 'watchHtml'].forEach(key => {
if (data[key] && data[key].content) {
if (typeof data[key].content === 'string') {
data[key] = data[key].content;
} else if (Buffer.isBuffer(data[key].content)) {
data[key] = data[key].content.toString();
}
}
});
if (data.icalEvent && Buffer.isBuffer(data.icalEvent.content)) {
data.icalEvent.content = data.icalEvent.content.toString('base64');
data.icalEvent.encoding = 'base64';
}
if (data.alternatives && data.alternatives.length) {
data.alternatives.forEach(alternative => {
if (alternative && alternative.content && Buffer.isBuffer(alternative.content)) {
alternative.content = alternative.content.toString('base64');
alternative.encoding = 'base64';
}
});
}
if (data.attachments && data.attachments.length) {
data.attachments.forEach(attachment => {
if (attachment && attachment.content && Buffer.isBuffer(attachment.content)) {
attachment.content = attachment.content.toString('base64');
attachment.encoding = 'base64';
}
});
}
data.normalizedHeaders = {};
Object.keys(data.headers || {}).forEach(key => {
let value = [].concat(data.headers[key] || []).shift();
value = (value && value.value) || value;
if (value) {
if (['references', 'in-reply-to', 'message-id', 'content-id'].includes(key)) {
value = this.message._encodeHeaderValue(key, value);
}
data.normalizedHeaders[key] = value;
}
});
if (data.list && typeof data.list === 'object') {
let listHeaders = this._getListHeaders(data.list);
listHeaders.forEach(entry => {
data.normalizedHeaders[entry.key] = entry.value.map(val => (val && val.value) || val).join(', ');
});
}
if (data.references) {
data.normalizedHeaders.references = this.message._encodeHeaderValue('references', data.references);
}
if (data.inReplyTo) {
data.normalizedHeaders['in-reply-to'] = this.message._encodeHeaderValue('in-reply-to', data.inReplyTo);
}
return callback(null, data);
});
}
setMailerHeader() {
if (!this.message || !this.data.xMailer) {
return;
}
this.message.setHeader('X-Mailer', this.data.xMailer);
}
setPriorityHeaders() {
if (!this.message || !this.data.priority) {
return;
}
switch ((this.data.priority || '').toString().toLowerCase()) {
case 'high':
this.message.setHeader('X-Priority', '1 (Highest)');
this.message.setHeader('X-MSMail-Priority', 'High');
this.message.setHeader('Importance', 'High');
break;
case 'low':
this.message.setHeader('X-Priority', '5 (Lowest)');
this.message.setHeader('X-MSMail-Priority', 'Low');
this.message.setHeader('Importance', 'Low');
break;
default:
// do not add anything, since all messages are 'Normal' by default
}
}
setListHeaders() {
if (!this.message || !this.data.list || typeof this.data.list !== 'object') {
return;
}
// add optional List-* headers
if (this.data.list && typeof this.data.list === 'object') {
this._getListHeaders(this.data.list).forEach(listHeader => {
listHeader.value.forEach(value => {
this.message.addHeader(listHeader.key, value);
});
});
}
}
_getListHeaders(listData) {
// make sure an url looks like <protocol:url>
return Object.keys(listData).map(key => ({
key: 'list-' + key.toLowerCase().trim(),
value: [].concat(listData[key] || []).map(value => {
if (typeof value === 'string') {
return this._formatListUrl(value);
}
return {
prepared: true,
value: []
.concat(value || [])
.map(value => {
if (typeof value === 'string') {
return this._formatListUrl(value);
}
if (value && value.url) {
return this._formatListUrl(value.url) + (value.comment ? ' (' + value.comment + ')' : '');
}
return '';
})
.join(', ')
};
})
}));
}
_formatListUrl(url) {
url = url.replace(/[\s<]+|[\s>]+/g, '');
if (/^(https?|mailto|ftp):/.test(url)) {
return '<' + url + '>';
}
if (/^[^@]+@[^@]+$/.test(url)) {
return '<mailto:' + url + '>';
}
return '<http://' + url + '>';
}
}
module.exports = MailMessage;

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/* eslint no-control-regex:0 */
'use strict';
const base64 = require('../base64');
const qp = require('../qp');
const mimeTypes = require('./mime-types');
module.exports = {
/**
* Checks if a value is plaintext string (uses only printable 7bit chars)
*
* @param {String} value String to be tested
* @returns {Boolean} true if it is a plaintext string
*/
isPlainText(value) {
if (typeof value !== 'string' || /[\x00-\x08\x0b\x0c\x0e-\x1f\u0080-\uFFFF]/.test(value)) {
return false;
} else {
return true;
}
},
/**
* Checks if a multi line string containes lines longer than the selected value.
*
* Useful when detecting if a mail message needs any processing at all –
* if only plaintext characters are used and lines are short, then there is
* no need to encode the values in any way. If the value is plaintext but has
* longer lines then allowed, then use format=flowed
*
* @param {Number} lineLength Max line length to check for
* @returns {Boolean} Returns true if there is at least one line longer than lineLength chars
*/
hasLongerLines(str, lineLength) {
if (str.length > 128 * 1024) {
// do not test strings longer than 128kB
return true;
}
return new RegExp('^.{' + (lineLength + 1) + ',}', 'm').test(str);
},
/**
* Encodes a string or an Buffer to an UTF-8 MIME Word (rfc2047)
*
* @param {String|Buffer} data String to be encoded
* @param {String} mimeWordEncoding='Q' Encoding for the mime word, either Q or B
* @param {Number} [maxLength=0] If set, split mime words into several chunks if needed
* @return {String} Single or several mime words joined together
*/
encodeWord(data, mimeWordEncoding, maxLength) {
mimeWordEncoding = (mimeWordEncoding || 'Q')
.toString()
.toUpperCase()
.trim()
.charAt(0);
maxLength = maxLength || 0;
let encodedStr;
let toCharset = 'UTF-8';
if (maxLength && maxLength > 7 + toCharset.length) {
maxLength -= 7 + toCharset.length;
}
if (mimeWordEncoding === 'Q') {
// https://tools.ietf.org/html/rfc2047#section-5 rule (3)
encodedStr = qp.encode(data).replace(/[^a-z0-9!*+\-/=]/gi, chr => {
let ord = chr
.charCodeAt(0)
.toString(16)
.toUpperCase();
if (chr === ' ') {
return '_';
} else {
return '=' + (ord.length === 1 ? '0' + ord : ord);
}
});
} else if (mimeWordEncoding === 'B') {
encodedStr = typeof data === 'string' ? data : base64.encode(data);
maxLength = maxLength ? Math.max(3, (maxLength - maxLength % 4) / 4 * 3) : 0;
}
if (maxLength && (mimeWordEncoding !== 'B' ? encodedStr : base64.encode(data)).length > maxLength) {
if (mimeWordEncoding === 'Q') {
encodedStr = this.splitMimeEncodedString(encodedStr, maxLength).join('?= =?' + toCharset + '?' + mimeWordEncoding + '?');
} else {
// RFC2047 6.3 (2) states that encoded-word must include an integral number of characters, so no chopping unicode sequences
let parts = [];
let lpart = '';
for (let i = 0, len = encodedStr.length; i < len; i++) {
let chr = encodedStr.charAt(i);
// check if we can add this character to the existing string
// without breaking byte length limit
if (Buffer.byteLength(lpart + chr) <= maxLength || i === 0) {
lpart += chr;
} else {
// we hit the length limit, so push the existing string and start over
parts.push(base64.encode(lpart));
lpart = chr;
}
}
if (lpart) {
parts.push(base64.encode(lpart));
}
if (parts.length > 1) {
encodedStr = parts.join('?= =?' + toCharset + '?' + mimeWordEncoding + '?');
} else {
encodedStr = parts.join('');
}
}
} else if (mimeWordEncoding === 'B') {
encodedStr = base64.encode(data);
}
return '=?' + toCharset + '?' + mimeWordEncoding + '?' + encodedStr + (encodedStr.substr(-2) === '?=' ? '' : '?=');
},
/**
* Finds word sequences with non ascii text and converts these to mime words
*
* @param {String} value String to be encoded
* @param {String} mimeWordEncoding='Q' Encoding for the mime word, either Q or B
* @param {Number} [maxLength=0] If set, split mime words into several chunks if needed
* @return {String} String with possible mime words
*/
encodeWords(value, mimeWordEncoding, maxLength) {
maxLength = maxLength || 0;
let encodedValue;
// find first word with a non-printable ascii in it
let firstMatch = value.match(/(?:^|\s)([^\s]*[\u0080-\uFFFF])/);
if (!firstMatch) {
return value;
}
// find the last word with a non-printable ascii in it
let lastMatch = value.match(/([\u0080-\uFFFF][^\s]*)[^\u0080-\uFFFF]*$/);
if (!lastMatch) {
// should not happen
return value;
}
let startIndex =
firstMatch.index +
(
firstMatch[0].match(/[^\s]/) || {
index: 0
}
).index;
let endIndex = lastMatch.index + (lastMatch[1] || '').length;
encodedValue =
(startIndex ? value.substr(0, startIndex) : '') +
this.encodeWord(value.substring(startIndex, endIndex), mimeWordEncoding || 'Q', maxLength) +
(endIndex < value.length ? value.substr(endIndex) : '');
return encodedValue;
},
/**
* Joins parsed header value together as 'value; param1=value1; param2=value2'
* PS: We are following RFC 822 for the list of special characters that we need to keep in quotes.
* Refer: https://www.w3.org/Protocols/rfc1341/4_Content-Type.html
* @param {Object} structured Parsed header value
* @return {String} joined header value
*/
buildHeaderValue(structured) {
let paramsArray = [];
Object.keys(structured.params || {}).forEach(param => {
// filename might include unicode characters so it is a special case
// other values probably do not
let value = structured.params[param];
if (!this.isPlainText(value) || value.length >= 75) {
this.buildHeaderParam(param, value, 50).forEach(encodedParam => {
if (!/[\s"\\;:/=(),<>@[\]?]|^[-']|'$/.test(encodedParam.value) || encodedParam.key.substr(-1) === '*') {
paramsArray.push(encodedParam.key + '=' + encodedParam.value);
} else {
paramsArray.push(encodedParam.key + '=' + JSON.stringify(encodedParam.value));
}
});
} else if (/[\s'"\\;:/=(),<>@[\]?]|^-/.test(value)) {
paramsArray.push(param + '=' + JSON.stringify(value));
} else {
paramsArray.push(param + '=' + value);
}
});
return structured.value + (paramsArray.length ? '; ' + paramsArray.join('; ') : '');
},
/**
* Encodes a string or an Buffer to an UTF-8 Parameter Value Continuation encoding (rfc2231)
* Useful for splitting long parameter values.
*
* For example
* title="unicode string"
* becomes
* title*0*=utf-8''unicode
* title*1*=%20string
*
* @param {String|Buffer} data String to be encoded
* @param {Number} [maxLength=50] Max length for generated chunks
* @param {String} [fromCharset='UTF-8'] Source sharacter set
* @return {Array} A list of encoded keys and headers
*/
buildHeaderParam(key, data, maxLength) {
let list = [];
let encodedStr = typeof data === 'string' ? data : (data || '').toString();
let encodedStrArr;
let chr, ord;
let line;
let startPos = 0;
let i, len;
maxLength = maxLength || 50;
// process ascii only text
if (this.isPlainText(data)) {
// check if conversion is even needed
if (encodedStr.length <= maxLength) {
return [
{
key,
value: encodedStr
}
];
}
encodedStr = encodedStr.replace(new RegExp('.{' + maxLength + '}', 'g'), str => {
list.push({
line: str
});
return '';
});
if (encodedStr) {
list.push({
line: encodedStr
});
}
} else {
if (/[\uD800-\uDBFF]/.test(encodedStr)) {
// string containts surrogate pairs, so normalize it to an array of bytes
encodedStrArr = [];
for (i = 0, len = encodedStr.length; i < len; i++) {
chr = encodedStr.charAt(i);
ord = chr.charCodeAt(0);
if (ord >= 0xd800 && ord <= 0xdbff && i < len - 1) {
chr += encodedStr.charAt(i + 1);
encodedStrArr.push(chr);
i++;
} else {
encodedStrArr.push(chr);
}
}
encodedStr = encodedStrArr;
}
// first line includes the charset and language info and needs to be encoded
// even if it does not contain any unicode characters
line = 'utf-8\x27\x27';
let encoded = true;
startPos = 0;
// process text with unicode or special chars
for (i = 0, len = encodedStr.length; i < len; i++) {
chr = encodedStr[i];
if (encoded) {
chr = this.safeEncodeURIComponent(chr);
} else {
// try to urlencode current char
chr = chr === ' ' ? chr : this.safeEncodeURIComponent(chr);
// By default it is not required to encode a line, the need
// only appears when the string contains unicode or special chars
// in this case we start processing the line over and encode all chars
if (chr !== encodedStr[i]) {
// Check if it is even possible to add the encoded char to the line
// If not, there is no reason to use this line, just push it to the list
// and start a new line with the char that needs encoding
if ((this.safeEncodeURIComponent(line) + chr).length >= maxLength) {
list.push({
line,
encoded
});
line = '';
startPos = i - 1;
} else {
encoded = true;
i = startPos;
line = '';
continue;
}
}
}
// if the line is already too long, push it to the list and start a new one
if ((line + chr).length >= maxLength) {
list.push({
line,
encoded
});
line = chr = encodedStr[i] === ' ' ? ' ' : this.safeEncodeURIComponent(encodedStr[i]);
if (chr === encodedStr[i]) {
encoded = false;
startPos = i - 1;
} else {
encoded = true;
}
} else {
line += chr;
}
}
if (line) {
list.push({
line,
encoded
});
}
}
return list.map((item, i) => ({
// encoded lines: {name}*{part}*
// unencoded lines: {name}*{part}
// if any line needs to be encoded then the first line (part==0) is always encoded
key: key + '*' + i + (item.encoded ? '*' : ''),
value: item.line
}));
},
/**
* Parses a header value with key=value arguments into a structured
* object.
*
* parseHeaderValue('content-type: text/plain; CHARSET='UTF-8'') ->
* {
* 'value': 'text/plain',
* 'params': {
* 'charset': 'UTF-8'
* }
* }
*
* @param {String} str Header value
* @return {Object} Header value as a parsed structure
*/
parseHeaderValue(str) {
let response = {
value: false,
params: {}
};
let key = false;
let value = '';
let type = 'value';
let quote = false;
let escaped = false;
let chr;
for (let i = 0, len = str.length; i < len; i++) {
chr = str.charAt(i);
if (type === 'key') {
if (chr === '=') {
key = value.trim().toLowerCase();
type = 'value';
value = '';
continue;
}
value += chr;
} else {
if (escaped) {
value += chr;
} else if (chr === '\\') {
escaped = true;
continue;
} else if (quote && chr === quote) {
quote = false;
} else if (!quote && chr === '"') {
quote = chr;
} else if (!quote && chr === ';') {
if (key === false) {
response.value = value.trim();
} else {
response.params[key] = value.trim();
}
type = 'key';
value = '';
} else {
value += chr;
}
escaped = false;
}
}
if (type === 'value') {
if (key === false) {
response.value = value.trim();
} else {
response.params[key] = value.trim();
}
} else if (value.trim()) {
response.params[value.trim().toLowerCase()] = '';
}
// handle parameter value continuations
// https://tools.ietf.org/html/rfc2231#section-3
// preprocess values
Object.keys(response.params).forEach(key => {
let actualKey, nr, match, value;
if ((match = key.match(/(\*(\d+)|\*(\d+)\*|\*)$/))) {
actualKey = key.substr(0, match.index);
nr = Number(match[2] || match[3]) || 0;
if (!response.params[actualKey] || typeof response.params[actualKey] !== 'object') {
response.params[actualKey] = {
charset: false,
values: []
};
}
value = response.params[key];
if (nr === 0 && match[0].substr(-1) === '*' && (match = value.match(/^([^']*)'[^']*'(.*)$/))) {
response.params[actualKey].charset = match[1] || 'iso-8859-1';
value = match[2];
}
response.params[actualKey].values[nr] = value;
// remove the old reference
delete response.params[key];
}
});
// concatenate split rfc2231 strings and convert encoded strings to mime encoded words
Object.keys(response.params).forEach(key => {
let value;
if (response.params[key] && Array.isArray(response.params[key].values)) {
value = response.params[key].values.map(val => val || '').join('');
if (response.params[key].charset) {
// convert "%AB" to "=?charset?Q?=AB?="
response.params[key] =
'=?' +
response.params[key].charset +
'?Q?' +
value
// fix invalidly encoded chars
.replace(/[=?_\s]/g, s => {
let c = s.charCodeAt(0).toString(16);
if (s === ' ') {
return '_';
} else {
return '%' + (c.length < 2 ? '0' : '') + c;
}
})
// change from urlencoding to percent encoding
.replace(/%/g, '=') +
'?=';
} else {
response.params[key] = value;
}
}
});
return response;
},
/**
* Returns file extension for a content type string. If no suitable extensions
* are found, 'bin' is used as the default extension
*
* @param {String} mimeType Content type to be checked for
* @return {String} File extension
*/
detectExtension: mimeType => mimeTypes.detectExtension(mimeType),
/**
* Returns content type for a file extension. If no suitable content types
* are found, 'application/octet-stream' is used as the default content type
*
* @param {String} extension Extension to be checked for
* @return {String} File extension
*/
detectMimeType: extension => mimeTypes.detectMimeType(extension),
/**
* Folds long lines, useful for folding header lines (afterSpace=false) and
* flowed text (afterSpace=true)
*
* @param {String} str String to be folded
* @param {Number} [lineLength=76] Maximum length of a line
* @param {Boolean} afterSpace If true, leave a space in th end of a line
* @return {String} String with folded lines
*/
foldLines(str, lineLength, afterSpace) {
str = (str || '').toString();
lineLength = lineLength || 76;
let pos = 0,
len = str.length,
result = '',
line,
match;
while (pos < len) {
line = str.substr(pos, lineLength);
if (line.length < lineLength) {
result += line;
break;
}
if ((match = line.match(/^[^\n\r]*(\r?\n|\r)/))) {
line = match[0];
result += line;
pos += line.length;
continue;
} else if ((match = line.match(/(\s+)[^\s]*$/)) && match[0].length - (afterSpace ? (match[1] || '').length : 0) < line.length) {
line = line.substr(0, line.length - (match[0].length - (afterSpace ? (match[1] || '').length : 0)));
} else if ((match = str.substr(pos + line.length).match(/^[^\s]+(\s*)/))) {
line = line + match[0].substr(0, match[0].length - (!afterSpace ? (match[1] || '').length : 0));
}
result += line;
pos += line.length;
if (pos < len) {
result += '\r\n';
}
}
return result;
},
/**
* Splits a mime encoded string. Needed for dividing mime words into smaller chunks
*
* @param {String} str Mime encoded string to be split up
* @param {Number} maxlen Maximum length of characters for one part (minimum 12)
* @return {Array} Split string
*/
splitMimeEncodedString: (str, maxlen) => {
let curLine,
match,
chr,
done,
lines = [];
// require at least 12 symbols to fit possible 4 octet UTF-8 sequences
maxlen = Math.max(maxlen || 0, 12);
while (str.length) {
curLine = str.substr(0, maxlen);
// move incomplete escaped char back to main
if ((match = curLine.match(/[=][0-9A-F]?$/i))) {
curLine = curLine.substr(0, match.index);
}
done = false;
while (!done) {
done = true;
// check if not middle of a unicode char sequence
if ((match = str.substr(curLine.length).match(/^[=]([0-9A-F]{2})/i))) {
chr = parseInt(match[1], 16);
// invalid sequence, move one char back anc recheck
if (chr < 0xc2 && chr > 0x7f) {
curLine = curLine.substr(0, curLine.length - 3);
done = false;
}
}
}
if (curLine.length) {
lines.push(curLine);
}
str = str.substr(curLine.length);
}
return lines;
},
encodeURICharComponent: chr => {
let res = '';
let ord = chr
.charCodeAt(0)
.toString(16)
.toUpperCase();
if (ord.length % 2) {
ord = '0' + ord;
}
if (ord.length > 2) {
for (let i = 0, len = ord.length / 2; i < len; i++) {
res += '%' + ord.substr(i, 2);
}
} else {
res += '%' + ord;
}
return res;
},
safeEncodeURIComponent(str) {
str = (str || '').toString();
try {
// might throw if we try to encode invalid sequences, eg. partial emoji
str = encodeURIComponent(str);
} catch (E) {
// should never run
return str.replace(/[^\x00-\x1F *'()<>@,;:\\"[\]?=\u007F-\uFFFF]+/g, '');
}
// ensure chars that are not handled by encodeURICompent are converted as well
return str.replace(/[\x00-\x1F *'()<>@,;:\\"[\]?=\u007F-\uFFFF]/g, chr => this.encodeURICharComponent(chr));
}
};

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node_modules/nodemailer/lib/mime-node/index.js generated vendored Normal file
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node_modules/nodemailer/lib/mime-node/last-newline.js generated vendored Normal file
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'use strict';
const Transform = require('stream').Transform;
class LastNewline extends Transform {
constructor() {
super();
this.lastByte = false;
}
_transform(chunk, encoding, done) {
if (chunk.length) {
this.lastByte = chunk[chunk.length - 1];
}
this.push(chunk);
done();
}
_flush(done) {
if (this.lastByte === 0x0a) {
return done();
}
if (this.lastByte === 0x0d) {
this.push(Buffer.from('\n'));
return done();
}
this.push(Buffer.from('\r\n'));
return done();
}
}
module.exports = LastNewline;

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'use strict';
const Mailer = require('./mailer');
const shared = require('./shared');
const SMTPPool = require('./smtp-pool');
const SMTPTransport = require('./smtp-transport');
const SendmailTransport = require('./sendmail-transport');
const StreamTransport = require('./stream-transport');
const JSONTransport = require('./json-transport');
const SESTransport = require('./ses-transport');
const fetch = require('./fetch');
const packageData = require('../package.json');
const ETHEREAL_API = 'https://api.nodemailer.com';
const ETHEREAL_WEB = 'https://ethereal.email';
let testAccount = false;
module.exports.createTransport = function(transporter, defaults) {
let urlConfig;
let options;
let mailer;
if (
// provided transporter is a configuration object, not transporter plugin
(typeof transporter === 'object' && typeof transporter.send !== 'function') ||
// provided transporter looks like a connection url
(typeof transporter === 'string' && /^(smtps?|direct):/i.test(transporter))
) {
if ((urlConfig = typeof transporter === 'string' ? transporter : transporter.url)) {
// parse a configuration URL into configuration options
options = shared.parseConnectionUrl(urlConfig);
} else {
options = transporter;
}
if (options.pool) {
transporter = new SMTPPool(options);
} else if (options.sendmail) {
transporter = new SendmailTransport(options);
} else if (options.streamTransport) {
transporter = new StreamTransport(options);
} else if (options.jsonTransport) {
transporter = new JSONTransport(options);
} else if (options.SES) {
transporter = new SESTransport(options);
} else {
transporter = new SMTPTransport(options);
}
}
mailer = new Mailer(transporter, options, defaults);
return mailer;
};
module.exports.createTestAccount = function(apiUrl, callback) {
let promise;
if (!callback && typeof apiUrl === 'function') {
callback = apiUrl;
apiUrl = false;
}
if (!callback && typeof Promise === 'function') {
promise = new Promise((resolve, reject) => {
callback = shared.callbackPromise(resolve, reject);
});
}
if (testAccount) {
setImmediate(() => callback(null, testAccount));
return promise;
}
apiUrl = apiUrl || ETHEREAL_API;
let chunks = [];
let chunklen = 0;
let req = fetch(apiUrl + '/user', {
contentType: 'application/json',
method: 'POST',
body: Buffer.from(
JSON.stringify({
requestor: packageData.name,
version: packageData.version
})
)
});
req.on('readable', () => {
let chunk;
while ((chunk = req.read()) !== null) {
chunks.push(chunk);
chunklen += chunk.length;
}
});
req.once('error', err => callback(err));
req.once('end', () => {
let res = Buffer.concat(chunks, chunklen);
let data;
let err;
try {
data = JSON.parse(res.toString());
} catch (E) {
err = E;
}
if (err) {
return callback(err);
}
if (data.status !== 'success' || data.error) {
return callback(new Error(data.error || 'Request failed'));
}
delete data.status;
testAccount = data;
callback(null, testAccount);
});
return promise;
};
module.exports.getTestMessageUrl = function(info) {
if (!info || !info.response) {
return false;
}
let infoProps = new Map();
info.response.replace(/\[([^\]]+)\]$/, (m, props) => {
props.replace(/\b([A-Z0-9]+)=([^\s]+)/g, (m, key, value) => {
infoProps.set(key, value);
});
});
if (infoProps.has('STATUS') && infoProps.has('MSGID')) {
return (testAccount.web || ETHEREAL_WEB) + '/message/' + infoProps.get('MSGID');
}
return false;
};

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'use strict';
const Transform = require('stream').Transform;
/**
* Encodes a Buffer into a Quoted-Printable encoded string
*
* @param {Buffer} buffer Buffer to convert
* @returns {String} Quoted-Printable encoded string
*/
function encode(buffer) {
if (typeof buffer === 'string') {
buffer = Buffer.from(buffer, 'utf-8');
}
// usable characters that do not need encoding
let ranges = [
// https://tools.ietf.org/html/rfc2045#section-6.7
[0x09], // <TAB>
[0x0a], // <LF>
[0x0d], // <CR>
[0x20, 0x3c], // <SP>!"#$%&'()*+,-./0123456789:;
[0x3e, 0x7e] // >?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}
];
let result = '';
let ord;
for (let i = 0, len = buffer.length; i < len; i++) {
ord = buffer[i];
// if the char is in allowed range, then keep as is, unless it is a WS in the end of a line
if (checkRanges(ord, ranges) && !((ord === 0x20 || ord === 0x09) && (i === len - 1 || buffer[i + 1] === 0x0a || buffer[i + 1] === 0x0d))) {
result += String.fromCharCode(ord);
continue;
}
result += '=' + (ord < 0x10 ? '0' : '') + ord.toString(16).toUpperCase();
}
return result;
}
/**
* Adds soft line breaks to a Quoted-Printable string
*
* @param {String} str Quoted-Printable encoded string that might need line wrapping
* @param {Number} [lineLength=76] Maximum allowed length for a line
* @returns {String} Soft-wrapped Quoted-Printable encoded string
*/
function wrap(str, lineLength) {
str = (str || '').toString();
lineLength = lineLength || 76;
if (str.length <= lineLength) {
return str;
}
let pos = 0;
let len = str.length;
let match, code, line;
let lineMargin = Math.floor(lineLength / 3);
let result = '';
// insert soft linebreaks where needed
while (pos < len) {
line = str.substr(pos, lineLength);
if ((match = line.match(/\r\n/))) {
line = line.substr(0, match.index + match[0].length);
result += line;
pos += line.length;
continue;
}
if (line.substr(-1) === '\n') {
// nothing to change here
result += line;
pos += line.length;
continue;
} else if ((match = line.substr(-lineMargin).match(/\n.*?$/))) {
// truncate to nearest line break
line = line.substr(0, line.length - (match[0].length - 1));
result += line;
pos += line.length;
continue;
} else if (line.length > lineLength - lineMargin && (match = line.substr(-lineMargin).match(/[ \t.,!?][^ \t.,!?]*$/))) {
// truncate to nearest space
line = line.substr(0, line.length - (match[0].length - 1));
} else if (line.match(/[=][\da-f]{0,2}$/i)) {
// push incomplete encoding sequences to the next line
if ((match = line.match(/[=][\da-f]{0,1}$/i))) {
line = line.substr(0, line.length - match[0].length);
}
// ensure that utf-8 sequences are not split
while (line.length > 3 && line.length < len - pos && !line.match(/^(?:=[\da-f]{2}){1,4}$/i) && (match = line.match(/[=][\da-f]{2}$/gi))) {
code = parseInt(match[0].substr(1, 2), 16);
if (code < 128) {
break;
}
line = line.substr(0, line.length - 3);
if (code >= 0xc0) {
break;
}
}
}
if (pos + line.length < len && line.substr(-1) !== '\n') {
if (line.length === lineLength && line.match(/[=][\da-f]{2}$/i)) {
line = line.substr(0, line.length - 3);
} else if (line.length === lineLength) {
line = line.substr(0, line.length - 1);
}
pos += line.length;
line += '=\r\n';
} else {
pos += line.length;
}
result += line;
}
return result;
}
/**
* Helper function to check if a number is inside provided ranges
*
* @param {Number} nr Number to check for
* @param {Array} ranges An Array of allowed values
* @returns {Boolean} True if the value was found inside allowed ranges, false otherwise
*/
function checkRanges(nr, ranges) {
for (let i = ranges.length - 1; i >= 0; i--) {
if (!ranges[i].length) {
continue;
}
if (ranges[i].length === 1 && nr === ranges[i][0]) {
return true;
}
if (ranges[i].length === 2 && nr >= ranges[i][0] && nr <= ranges[i][1]) {
return true;
}
}
return false;
}
/**
* Creates a transform stream for encoding data to Quoted-Printable encoding
*
* @constructor
* @param {Object} options Stream options
* @param {Number} [options.lineLength=76] Maximum lenght for lines, set to false to disable wrapping
*/
class Encoder extends Transform {
constructor(options) {
super();
// init Transform
this.options = options || {};
if (this.options.lineLength !== false) {
this.options.lineLength = this.options.lineLength || 76;
}
this._curLine = '';
this.inputBytes = 0;
this.outputBytes = 0;
}
_transform(chunk, encoding, done) {
let qp;
if (encoding !== 'buffer') {
chunk = Buffer.from(chunk, encoding);
}
if (!chunk || !chunk.length) {
return done();
}
this.inputBytes += chunk.length;
if (this.options.lineLength) {
qp = this._curLine + encode(chunk);
qp = wrap(qp, this.options.lineLength);
qp = qp.replace(/(^|\n)([^\n]*)$/, (match, lineBreak, lastLine) => {
this._curLine = lastLine;
return lineBreak;
});
if (qp) {
this.outputBytes += qp.length;
this.push(qp);
}
} else {
qp = encode(chunk);
this.outputBytes += qp.length;
this.push(qp, 'ascii');
}
done();
}
_flush(done) {
if (this._curLine) {
this.outputBytes += this._curLine.length;
this.push(this._curLine, 'ascii');
}
done();
}
}
// expose to the world
module.exports = {
encode,
wrap,
Encoder
};

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node_modules/nodemailer/lib/sendmail-transport/index.js generated vendored Normal file
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'use strict';
const spawn = require('child_process').spawn;
const packageData = require('../../package.json');
const LeWindows = require('./le-windows');
const LeUnix = require('./le-unix');
const shared = require('../shared');
/**
* Generates a Transport object for Sendmail
*
* Possible options can be the following:
*
* * **path** optional path to sendmail binary
* * **newline** either 'windows' or 'unix'
* * **args** an array of arguments for the sendmail binary
*
* @constructor
* @param {Object} optional config parameter for the AWS Sendmail service
*/
class SendmailTransport {
constructor(options) {
options = options || {};
// use a reference to spawn for mocking purposes
this._spawn = spawn;
this.options = options || {};
this.name = 'Sendmail';
this.version = packageData.version;
this.path = 'sendmail';
this.args = false;
this.winbreak = false;
this.logger = shared.getLogger(this.options, {
component: this.options.component || 'sendmail'
});
if (options) {
if (typeof options === 'string') {
this.path = options;
} else if (typeof options === 'object') {
if (options.path) {
this.path = options.path;
}
if (Array.isArray(options.args)) {
this.args = options.args;
}
this.winbreak = ['win', 'windows', 'dos', '\r\n'].includes((options.newline || '').toString().toLowerCase());
}
}
}
/**
* <p>Compiles a mailcomposer message and forwards it to handler that sends it.</p>
*
* @param {Object} emailMessage MailComposer object
* @param {Function} callback Callback function to run when the sending is completed
*/
send(mail, done) {
// Sendmail strips this header line by itself
mail.message.keepBcc = true;
let envelope = mail.data.envelope || mail.message.getEnvelope();
let messageId = mail.message.messageId();
let args;
let sendmail;
let returned;
let transform;
if (this.args) {
// force -i to keep single dots
args = ['-i'].concat(this.args).concat(envelope.to);
} else {
args = ['-i'].concat(envelope.from ? ['-f', envelope.from] : []).concat(envelope.to);
}
let callback = err => {
if (returned) {
// ignore any additional responses, already done
return;
}
returned = true;
if (typeof done === 'function') {
if (err) {
return done(err);
} else {
return done(null, {
envelope: mail.data.envelope || mail.message.getEnvelope(),
messageId,
response: 'Messages queued for delivery'
});
}
}
};
try {
sendmail = this._spawn(this.path, args);
} catch (E) {
this.logger.error(
{
err: E,
tnx: 'spawn',
messageId
},
'Error occurred while spawning sendmail. %s',
E.message
);
return callback(E);
}
if (sendmail) {
sendmail.on('error', err => {
this.logger.error(
{
err,
tnx: 'spawn',
messageId
},
'Error occurred when sending message %s. %s',
messageId,
err.message
);
callback(err);
});
sendmail.once('exit', code => {
if (!code) {
return callback();
}
let err;
if (code === 127) {
err = new Error('Sendmail command not found, process exited with code ' + code);
} else {
err = new Error('Sendmail exited with code ' + code);
}
this.logger.error(
{
err,
tnx: 'stdin',
messageId
},
'Error sending message %s to sendmail. %s',
messageId,
err.message
);
callback(err);
});
sendmail.once('close', callback);
sendmail.stdin.on('error', err => {
this.logger.error(
{
err,
tnx: 'stdin',
messageId
},
'Error occurred when piping message %s to sendmail. %s',
messageId,
err.message
);
callback(err);
});
let recipients = [].concat(envelope.to || []);
if (recipients.length > 3) {
recipients.push('...and ' + recipients.splice(2).length + ' more');
}
this.logger.info(
{
tnx: 'send',
messageId
},
'Sending message %s to <%s>',
messageId,
recipients.join(', ')
);
transform = this.winbreak ? new LeWindows() : new LeUnix();
let sourceStream = mail.message.createReadStream();
transform.once('error', err => {
this.logger.error(
{
err,
tnx: 'stdin',
messageId
},
'Error occurred when generating message %s. %s',
messageId,
err.message
);
sendmail.kill('SIGINT'); // do not deliver the message
callback(err);
});
sourceStream.once('error', err => transform.emit('error', err));
sourceStream.pipe(transform).pipe(sendmail.stdin);
} else {
return callback(new Error('sendmail was not found'));
}
}
}
module.exports = SendmailTransport;

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node_modules/nodemailer/lib/sendmail-transport/le-unix.js generated vendored Normal file
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'use strict';
const stream = require('stream');
const Transform = stream.Transform;
/**
* Ensures that only <LF> is used for linebreaks
*
* @param {Object} options Stream options
*/
class LeWindows extends Transform {
constructor(options) {
super(options);
// init Transform
this.options = options || {};
}
/**
* Escapes dots
*/
_transform(chunk, encoding, done) {
let buf;
let lastPos = 0;
for (let i = 0, len = chunk.length; i < len; i++) {
if (chunk[i] === 0x0d) {
// \n
buf = chunk.slice(lastPos, i);
lastPos = i + 1;
this.push(buf);
}
}
if (lastPos && lastPos < chunk.length) {
buf = chunk.slice(lastPos);
this.push(buf);
} else if (!lastPos) {
this.push(chunk);
}
done();
}
}
module.exports = LeWindows;

52
node_modules/nodemailer/lib/sendmail-transport/le-windows.js generated vendored Normal file
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'use strict';
const stream = require('stream');
const Transform = stream.Transform;
/**
* Ensures that only <CR><LF> sequences are used for linebreaks
*
* @param {Object} options Stream options
*/
class LeWindows extends Transform {
constructor(options) {
super(options);
// init Transform
this.options = options || {};
this.lastByte = false;
}
/**
* Escapes dots
*/
_transform(chunk, encoding, done) {
let buf;
let lastPos = 0;
for (let i = 0, len = chunk.length; i < len; i++) {
if (chunk[i] === 0x0a) {
// \n
if ((i && chunk[i - 1] !== 0x0d) || (!i && this.lastByte !== 0x0d)) {
if (i > lastPos) {
buf = chunk.slice(lastPos, i);
this.push(buf);
}
this.push(Buffer.from('\r\n'));
lastPos = i + 1;
}
}
}
if (lastPos && lastPos < chunk.length) {
buf = chunk.slice(lastPos);
this.push(buf);
} else if (!lastPos) {
this.push(chunk);
}
this.lastByte = chunk[chunk.length - 1];
done();
}
}
module.exports = LeWindows;

311
node_modules/nodemailer/lib/ses-transport/index.js generated vendored Normal file
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'use strict';
const EventEmitter = require('events');
const packageData = require('../../package.json');
const shared = require('../shared');
const LeWindows = require('../sendmail-transport/le-windows');
/**
* Generates a Transport object for Sendmail
*
* Possible options can be the following:
*
* * **path** optional path to sendmail binary
* * **args** an array of arguments for the sendmail binary
*
* @constructor
* @param {Object} optional config parameter for the AWS Sendmail service
*/
class SESTransport extends EventEmitter {
constructor(options) {
super();
options = options || {};
this.options = options || {};
this.ses = this.options.SES;
this.name = 'SESTransport';
this.version = packageData.version;
this.logger = shared.getLogger(this.options, {
component: this.options.component || 'ses-transport'
});
// parallel sending connections
this.maxConnections = Number(this.options.maxConnections) || Infinity;
this.connections = 0;
// max messages per second
this.sendingRate = Number(this.options.sendingRate) || Infinity;
this.sendingRateTTL = null;
this.rateInterval = 1000;
this.rateMessages = [];
this.pending = [];
this.idling = true;
setImmediate(() => {
if (this.idling) {
this.emit('idle');
}
});
}
/**
* Schedules a sending of a message
*
* @param {Object} emailMessage MailComposer object
* @param {Function} callback Callback function to run when the sending is completed
*/
send(mail, callback) {
if (this.connections >= this.maxConnections) {
this.idling = false;
return this.pending.push({
mail,
callback
});
}
if (!this._checkSendingRate()) {
this.idling = false;
return this.pending.push({
mail,
callback
});
}
this._send(mail, (...args) => {
setImmediate(() => callback(...args));
this._sent();
});
}
_checkRatedQueue() {
if (this.connections >= this.maxConnections || !this._checkSendingRate()) {
return;
}
if (!this.pending.length) {
if (!this.idling) {
this.idling = true;
this.emit('idle');
}
return;
}
let next = this.pending.shift();
this._send(next.mail, (...args) => {
setImmediate(() => next.callback(...args));
this._sent();
});
}
_checkSendingRate() {
clearTimeout(this.sendingRateTTL);
let now = Date.now();
let oldest = false;
// delete older messages
for (let i = this.rateMessages.length - 1; i >= 0; i--) {
if (this.rateMessages[i].ts >= now - this.rateInterval && (!oldest || this.rateMessages[i].ts < oldest)) {
oldest = this.rateMessages[i].ts;
}
if (this.rateMessages[i].ts < now - this.rateInterval && !this.rateMessages[i].pending) {
this.rateMessages.splice(i, 1);
}
}
if (this.rateMessages.length < this.sendingRate) {
return true;
}
let delay = Math.max(oldest + 1001, now + 20);
this.sendingRateTTL = setTimeout(() => this._checkRatedQueue(), now - delay);
try {
this.sendingRateTTL.unref();
} catch (E) {
// Ignore. Happens on envs with non-node timer implementation
}
return false;
}
_sent() {
this.connections--;
this._checkRatedQueue();
}
/**
* Returns true if there are free slots in the queue
*/
isIdle() {
return this.idling;
}
/**
* Compiles a mailcomposer message and forwards it to SES
*
* @param {Object} emailMessage MailComposer object
* @param {Function} callback Callback function to run when the sending is completed
*/
_send(mail, callback) {
let statObject = {
ts: Date.now(),
pending: true
};
this.connections++;
this.rateMessages.push(statObject);
let envelope = mail.data.envelope || mail.message.getEnvelope();
let messageId = mail.message.messageId();
let recipients = [].concat(envelope.to || []);
if (recipients.length > 3) {
recipients.push('...and ' + recipients.splice(2).length + ' more');
}
this.logger.info(
{
tnx: 'send',
messageId
},
'Sending message %s to <%s>',
messageId,
recipients.join(', ')
);
let getRawMessage = next => {
// do not use Message-ID and Date in DKIM signature
if (!mail.data._dkim) {
mail.data._dkim = {};
}
if (mail.data._dkim.skipFields && typeof mail.data._dkim.skipFields === 'string') {
mail.data._dkim.skipFields += ':date:message-id';
} else {
mail.data._dkim.skipFields = 'date:message-id';
}
let sourceStream = mail.message.createReadStream();
let stream = sourceStream.pipe(new LeWindows());
let chunks = [];
let chunklen = 0;
stream.on('readable', () => {
let chunk;
while ((chunk = stream.read()) !== null) {
chunks.push(chunk);
chunklen += chunk.length;
}
});
sourceStream.once('error', err => stream.emit('error', err));
stream.once('error', err => {
next(err);
});
stream.once('end', () => next(null, Buffer.concat(chunks, chunklen)));
};
setImmediate(() =>
getRawMessage((err, raw) => {
if (err) {
this.logger.error(
{
err,
tnx: 'send',
messageId
},
'Failed creating message for %s. %s',
messageId,
err.message
);
statObject.pending = false;
return callback(err);
}
let sesMessage = {
RawMessage: {
// required
Data: raw // required
},
Source: envelope.from,
Destinations: envelope.to
};
Object.keys(mail.data.ses || {}).forEach(key => {
sesMessage[key] = mail.data.ses[key];
});
this.ses.sendRawEmail(sesMessage, (err, data) => {
if (err) {
this.logger.error(
{
err,
tnx: 'send'
},
'Send error for %s: %s',
messageId,
err.message
);
statObject.pending = false;
return callback(err);
}
let region = (this.ses.config && this.ses.config.region) || 'us-east-1';
if (region === 'us-east-1') {
region = 'email';
}
statObject.pending = false;
callback(null, {
envelope: {
from: envelope.from,
to: envelope.to
},
messageId: '<' + data.MessageId + (!/@/.test(data.MessageId) ? '@' + region + '.amazonses.com' : '') + '>',
response: data.MessageId
});
});
})
);
}
/**
* Verifies SES configuration
*
* @param {Function} callback Callback function
*/
verify(callback) {
let promise;
if (!callback && typeof Promise === 'function') {
promise = new Promise((resolve, reject) => {
callback = shared.callbackPromise(resolve, reject);
});
}
this.ses.sendRawEmail(
{
RawMessage: {
// required
Data: 'From: invalid@invalid\r\nTo: invalid@invalid\r\n Subject: Invalid\r\n\r\nInvalid'
},
Source: 'invalid@invalid',
Destinations: ['invalid@invalid']
},
err => {
if (err && err.code !== 'InvalidParameterValue') {
return callback(err);
}
return callback(null, true);
}
);
return promise;
}
}
module.exports = SESTransport;

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/* eslint no-console: 0 */
'use strict';
const urllib = require('url');
const util = require('util');
const fs = require('fs');
const fetch = require('../fetch');
/**
* Parses connection url to a structured configuration object
*
* @param {String} str Connection url
* @return {Object} Configuration object
*/
module.exports.parseConnectionUrl = str => {
str = str || '';
let options = {};
[urllib.parse(str, true)].forEach(url => {
let auth;
switch (url.protocol) {
case 'smtp:':
options.secure = false;
break;
case 'smtps:':
options.secure = true;
break;
case 'direct:':
options.direct = true;
break;
}
if (!isNaN(url.port) && Number(url.port)) {
options.port = Number(url.port);
}
if (url.hostname) {
options.host = url.hostname;
}
if (url.auth) {
auth = url.auth.split(':');
if (!options.auth) {
options.auth = {};
}
options.auth.user = auth.shift();
options.auth.pass = auth.join(':');
}
Object.keys(url.query || {}).forEach(key => {
let obj = options;
let lKey = key;
let value = url.query[key];
if (!isNaN(value)) {
value = Number(value);
}
switch (value) {
case 'true':
value = true;
break;
case 'false':
value = false;
break;
}
// tls is nested object
if (key.indexOf('tls.') === 0) {
lKey = key.substr(4);
if (!options.tls) {
options.tls = {};
}
obj = options.tls;
} else if (key.indexOf('.') >= 0) {
// ignore nested properties besides tls
return;
}
if (!(lKey in obj)) {
obj[lKey] = value;
}
});
});
return options;
};
module.exports._logFunc = (logger, level, defaults, data, message, ...args) => {
let entry = {};
Object.keys(defaults || {}).forEach(key => {
if (key !== 'level') {
entry[key] = defaults[key];
}
});
Object.keys(data || {}).forEach(key => {
if (key !== 'level') {
entry[key] = data[key];
}
});
logger[level](entry, message, ...args);
};
/**
* Returns a bunyan-compatible logger interface. Uses either provided logger or
* creates a default console logger
*
* @param {Object} [options] Options object that might include 'logger' value
* @return {Object} bunyan compatible logger
*/
module.exports.getLogger = (options, defaults) => {
options = options || {};
let response = {};
let levels = ['trace', 'debug', 'info', 'warn', 'error', 'fatal'];
if (!options.logger) {
// use vanity logger
levels.forEach(level => {
response[level] = () => false;
});
return response;
}
let logger = options.logger;
if (options.logger === true) {
// create console logger
logger = createDefaultLogger(levels);
}
levels.forEach(level => {
response[level] = (data, message, ...args) => {
module.exports._logFunc(logger, level, defaults, data, message, ...args);
};
});
return response;
};
/**
* Wrapper for creating a callback than either resolves or rejects a promise
* based on input
*
* @param {Function} resolve Function to run if callback is called
* @param {Function} reject Function to run if callback ends with an error
*/
module.exports.callbackPromise = (resolve, reject) =>
function() {
let args = Array.from(arguments);
let err = args.shift();
if (err) {
reject(err);
} else {
resolve(...args);
}
};
/**
* Resolves a String or a Buffer value for content value. Useful if the value
* is a Stream or a file or an URL. If the value is a Stream, overwrites
* the stream object with the resolved value (you can't stream a value twice).
*
* This is useful when you want to create a plugin that needs a content value,
* for example the `html` or `text` value as a String or a Buffer but not as
* a file path or an URL.
*
* @param {Object} data An object or an Array you want to resolve an element for
* @param {String|Number} key Property name or an Array index
* @param {Function} callback Callback function with (err, value)
*/
module.exports.resolveContent = (data, key, callback) => {
let promise;
if (!callback && typeof Promise === 'function') {
promise = new Promise((resolve, reject) => {
callback = module.exports.callbackPromise(resolve, reject);
});
}
let content = (data && data[key] && data[key].content) || data[key];
let contentStream;
let encoding = ((typeof data[key] === 'object' && data[key].encoding) || 'utf8')
.toString()
.toLowerCase()
.replace(/[-_\s]/g, '');
if (!content) {
return callback(null, content);
}
if (typeof content === 'object') {
if (typeof content.pipe === 'function') {
return resolveStream(content, (err, value) => {
if (err) {
return callback(err);
}
// we can't stream twice the same content, so we need
// to replace the stream object with the streaming result
data[key] = value;
callback(null, value);
});
} else if (/^https?:\/\//i.test(content.path || content.href)) {
contentStream = fetch(content.path || content.href);
return resolveStream(contentStream, callback);
} else if (/^data:/i.test(content.path || content.href)) {
let parts = (content.path || content.href).match(/^data:((?:[^;]*;)*(?:[^,]*)),(.*)$/i);
if (!parts) {
return callback(null, Buffer.from(0));
}
return callback(null, /\bbase64$/i.test(parts[1]) ? Buffer.from(parts[2], 'base64') : Buffer.from(decodeURIComponent(parts[2])));
} else if (content.path) {
return resolveStream(fs.createReadStream(content.path), callback);
}
}
if (typeof data[key].content === 'string' && !['utf8', 'usascii', 'ascii'].includes(encoding)) {
content = Buffer.from(data[key].content, encoding);
}
// default action, return as is
setImmediate(() => callback(null, content));
return promise;
};
/**
* Copies properties from source objects to target objects
*/
module.exports.assign = function(/* target, ... sources */) {
let args = Array.from(arguments);
let target = args.shift() || {};
args.forEach(source => {
Object.keys(source || {}).forEach(key => {
if (['tls', 'auth'].includes(key) && source[key] && typeof source[key] === 'object') {
// tls and auth are special keys that need to be enumerated separately
// other objects are passed as is
if (!target[key]) {
// ensure that target has this key
target[key] = {};
}
Object.keys(source[key]).forEach(subKey => {
target[key][subKey] = source[key][subKey];
});
} else {
target[key] = source[key];
}
});
});
return target;
};
module.exports.encodeXText = str => {
// ! 0x21
// + 0x2B
// = 0x3D
// ~ 0x7E
if (!/[^\x21-\x2A\x2C-\x3C\x3E-\x7E]/.test(str)) {
return str;
}
let buf = Buffer.from(str);
let result = '';
for (let i = 0, len = buf.length; i < len; i++) {
let c = buf[i];
if (c < 0x21 || c > 0x7e || c === 0x2b || c === 0x3d) {
result += '+' + (c < 0x10 ? '0' : '') + c.toString(16).toUpperCase();
} else {
result += String.fromCharCode(c);
}
}
return result;
};
/**
* Streams a stream value into a Buffer
*
* @param {Object} stream Readable stream
* @param {Function} callback Callback function with (err, value)
*/
function resolveStream(stream, callback) {
let responded = false;
let chunks = [];
let chunklen = 0;
stream.on('error', err => {
if (responded) {
return;
}
responded = true;
callback(err);
});
stream.on('readable', () => {
let chunk;
while ((chunk = stream.read()) !== null) {
chunks.push(chunk);
chunklen += chunk.length;
}
});
stream.on('end', () => {
if (responded) {
return;
}
responded = true;
let value;
try {
value = Buffer.concat(chunks, chunklen);
} catch (E) {
return callback(E);
}
callback(null, value);
});
}
/**
* Generates a bunyan-like logger that prints to console
*
* @returns {Object} Bunyan logger instance
*/
function createDefaultLogger(levels) {
let levelMaxLen = 0;
let levelNames = new Map();
levels.forEach(level => {
if (level.length > levelMaxLen) {
levelMaxLen = level.length;
}
});
levels.forEach(level => {
let levelName = level.toUpperCase();
if (levelName.length < levelMaxLen) {
levelName += ' '.repeat(levelMaxLen - levelName.length);
}
levelNames.set(level, levelName);
});
let print = (level, entry, message, ...args) => {
let prefix = '';
if (entry) {
if (entry.tnx === 'server') {
prefix = 'S: ';
} else if (entry.tnx === 'client') {
prefix = 'C: ';
}
if (entry.sid) {
prefix = '[' + entry.sid + '] ' + prefix;
}
if (entry.cid) {
prefix = '[#' + entry.cid + '] ' + prefix;
}
}
message = util.format(message, ...args);
message.split(/\r?\n/).forEach(line => {
console.log(
'[%s] %s %s',
new Date()
.toISOString()
.substr(0, 19)
.replace(/T/, ' '),
levelNames.get(level),
prefix + line
);
});
};
let logger = {};
levels.forEach(level => {
logger[level] = print.bind(null, level);
});
return logger;
}

108
node_modules/nodemailer/lib/smtp-connection/data-stream.js generated vendored Normal file
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'use strict';
const stream = require('stream');
const Transform = stream.Transform;
/**
* Escapes dots in the beginning of lines. Ends the stream with <CR><LF>.<CR><LF>
* Also makes sure that only <CR><LF> sequences are used for linebreaks
*
* @param {Object} options Stream options
*/
class DataStream extends Transform {
constructor(options) {
super(options);
// init Transform
this.options = options || {};
this._curLine = '';
this.inByteCount = 0;
this.outByteCount = 0;
this.lastByte = false;
}
/**
* Escapes dots
*/
_transform(chunk, encoding, done) {
let chunks = [];
let chunklen = 0;
let i,
len,
lastPos = 0;
let buf;
if (!chunk || !chunk.length) {
return done();
}
if (typeof chunk === 'string') {
chunk = Buffer.from(chunk);
}
this.inByteCount += chunk.length;
for (i = 0, len = chunk.length; i < len; i++) {
if (chunk[i] === 0x2e) {
// .
if ((i && chunk[i - 1] === 0x0a) || (!i && (!this.lastByte || this.lastByte === 0x0a))) {
buf = chunk.slice(lastPos, i + 1);
chunks.push(buf);
chunks.push(Buffer.from('.'));
chunklen += buf.length + 1;
lastPos = i + 1;
}
} else if (chunk[i] === 0x0a) {
// .
if ((i && chunk[i - 1] !== 0x0d) || (!i && this.lastByte !== 0x0d)) {
if (i > lastPos) {
buf = chunk.slice(lastPos, i);
chunks.push(buf);
chunklen += buf.length + 2;
} else {
chunklen += 2;
}
chunks.push(Buffer.from('\r\n'));
lastPos = i + 1;
}
}
}
if (chunklen) {
// add last piece
if (lastPos < chunk.length) {
buf = chunk.slice(lastPos);
chunks.push(buf);
chunklen += buf.length;
}
this.outByteCount += chunklen;
this.push(Buffer.concat(chunks, chunklen));
} else {
this.outByteCount += chunk.length;
this.push(chunk);
}
this.lastByte = chunk[chunk.length - 1];
done();
}
/**
* Finalizes the stream with a dot on a single line
*/
_flush(done) {
let buf;
if (this.lastByte === 0x0a) {
buf = Buffer.from('.\r\n');
} else if (this.lastByte === 0x0d) {
buf = Buffer.from('\n.\r\n');
} else {
buf = Buffer.from('\r\n.\r\n');
}
this.outByteCount += buf.length;
this.push(buf);
done();
}
}
module.exports = DataStream;

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node_modules/nodemailer/lib/smtp-connection/http-proxy-client.js generated vendored Normal file
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'use strict';
/**
* Minimal HTTP/S proxy client
*/
const net = require('net');
const tls = require('tls');
const urllib = require('url');
/**
* Establishes proxied connection to destinationPort
*
* httpProxyClient("http://localhost:3128/", 80, "google.com", function(err, socket){
* socket.write("GET / HTTP/1.0\r\n\r\n");
* });
*
* @param {String} proxyUrl proxy configuration, etg "http://proxy.host:3128/"
* @param {Number} destinationPort Port to open in destination host
* @param {String} destinationHost Destination hostname
* @param {Function} callback Callback to run with the rocket object once connection is established
*/
function httpProxyClient(proxyUrl, destinationPort, destinationHost, callback) {
let proxy = urllib.parse(proxyUrl);
// create a socket connection to the proxy server
let options;
let connect;
let socket;
options = {
host: proxy.hostname,
port: Number(proxy.port) ? Number(proxy.port) : proxy.protocol === 'https:' ? 443 : 80
};
if (proxy.protocol === 'https:') {
// we can use untrusted proxies as long as we verify actual SMTP certificates
options.rejectUnauthorized = false;
connect = tls.connect.bind(tls);
} else {
connect = net.connect.bind(net);
}
// Error harness for initial connection. Once connection is established, the responsibility
// to handle errors is passed to whoever uses this socket
let finished = false;
let tempSocketErr = function(err) {
if (finished) {
return;
}
finished = true;
try {
socket.destroy();
} catch (E) {
// ignore
}
callback(err);
};
socket = connect(options, () => {
if (finished) {
return;
}
let reqHeaders = {
Host: destinationHost + ':' + destinationPort,
Connection: 'close'
};
if (proxy.auth) {
reqHeaders['Proxy-Authorization'] = 'Basic ' + Buffer.from(proxy.auth).toString('base64');
}
socket.write(
// HTTP method
'CONNECT ' +
destinationHost +
':' +
destinationPort +
' HTTP/1.1\r\n' +
// HTTP request headers
Object.keys(reqHeaders)
.map(key => key + ': ' + reqHeaders[key])
.join('\r\n') +
// End request
'\r\n\r\n'
);
let headers = '';
let onSocketData = chunk => {
let match;
let remainder;
if (finished) {
return;
}
headers += chunk.toString('binary');
if ((match = headers.match(/\r\n\r\n/))) {
socket.removeListener('data', onSocketData);
remainder = headers.substr(match.index + match[0].length);
headers = headers.substr(0, match.index);
if (remainder) {
socket.unshift(Buffer.from(remainder, 'binary'));
}
// proxy connection is now established
finished = true;
// check response code
match = headers.match(/^HTTP\/\d+\.\d+ (\d+)/i);
if (!match || (match[1] || '').charAt(0) !== '2') {
try {
socket.destroy();
} catch (E) {
// ignore
}
return callback(new Error('Invalid response from proxy' + ((match && ': ' + match[1]) || '')));
}
socket.removeListener('error', tempSocketErr);
return callback(null, socket);
}
};
socket.on('data', onSocketData);
});
socket.once('error', tempSocketErr);
}
module.exports = httpProxyClient;

1569
node_modules/nodemailer/lib/smtp-connection/index.js generated vendored Normal file
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600
node_modules/nodemailer/lib/smtp-pool/index.js generated vendored Normal file
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'use strict';
const EventEmitter = require('events');
const PoolResource = require('./pool-resource');
const SMTPConnection = require('../smtp-connection');
const wellKnown = require('../well-known');
const shared = require('../shared');
const packageData = require('../../package.json');
/**
* Creates a SMTP pool transport object for Nodemailer
*
* @constructor
* @param {Object} options SMTP Connection options
*/
class SMTPPool extends EventEmitter {
constructor(options) {
super();
options = options || {};
if (typeof options === 'string') {
options = {
url: options
};
}
let urlData;
let service = options.service;
if (typeof options.getSocket === 'function') {
this.getSocket = options.getSocket;
}
if (options.url) {
urlData = shared.parseConnectionUrl(options.url);
service = service || urlData.service;
}
this.options = shared.assign(
false, // create new object
options, // regular options
urlData, // url options
service && wellKnown(service) // wellknown options
);
this.options.maxConnections = this.options.maxConnections || 5;
this.options.maxMessages = this.options.maxMessages || 100;
this.logger = shared.getLogger(this.options, {
component: this.options.component || 'smtp-pool'
});
// temporary object
let connection = new SMTPConnection(this.options);
this.name = 'SMTP (pool)';
this.version = packageData.version + '[client:' + connection.version + ']';
this._rateLimit = {
counter: 0,
timeout: null,
waiting: [],
checkpoint: false,
delta: Number(this.options.rateDelta) || 1000,
limit: Number(this.options.rateLimit) || 0
};
this._closed = false;
this._queue = [];
this._connections = [];
this._connectionCounter = 0;
this.idling = true;
setImmediate(() => {
if (this.idling) {
this.emit('idle');
}
});
}
/**
* Placeholder function for creating proxy sockets. This method immediatelly returns
* without a socket
*
* @param {Object} options Connection options
* @param {Function} callback Callback function to run with the socket keys
*/
getSocket(options, callback) {
// return immediatelly
return setImmediate(() => callback(null, false));
}
/**
* Queues an e-mail to be sent using the selected settings
*
* @param {Object} mail Mail object
* @param {Function} callback Callback function
*/
send(mail, callback) {
if (this._closed) {
return false;
}
this._queue.push({
mail,
callback
});
if (this.idling && this._queue.length >= this.options.maxConnections) {
this.idling = false;
}
setImmediate(() => this._processMessages());
return true;
}
/**
* Closes all connections in the pool. If there is a message being sent, the connection
* is closed later
*/
close() {
let connection;
let len = this._connections.length;
this._closed = true;
// clear rate limit timer if it exists
clearTimeout(this._rateLimit.timeout);
if (!len && !this._queue.length) {
return;
}
// remove all available connections
for (let i = len - 1; i >= 0; i--) {
if (this._connections[i] && this._connections[i].available) {
connection = this._connections[i];
connection.close();
this.logger.info(
{
tnx: 'connection',
cid: connection.id,
action: 'removed'
},
'Connection #%s removed',
connection.id
);
}
}
if (len && !this._connections.length) {
this.logger.debug(
{
tnx: 'connection'
},
'All connections removed'
);
}
if (!this._queue.length) {
return;
}
// make sure that entire queue would be cleaned
let invokeCallbacks = () => {
if (!this._queue.length) {
this.logger.debug(
{
tnx: 'connection'
},
'Pending queue entries cleared'
);
return;
}
let entry = this._queue.shift();
if (entry && typeof entry.callback === 'function') {
try {
entry.callback(new Error('Connection pool was closed'));
} catch (E) {
this.logger.error(
{
err: E,
tnx: 'callback',
cid: connection.id
},
'Callback error for #%s: %s',
connection.id,
E.message
);
}
}
setImmediate(invokeCallbacks);
};
setImmediate(invokeCallbacks);
}
/**
* Check the queue and available connections. If there is a message to be sent and there is
* an available connection, then use this connection to send the mail
*/
_processMessages() {
let connection;
let i, len;
// do nothing if already closed
if (this._closed) {
return;
}
// do nothing if queue is empty
if (!this._queue.length) {
if (!this.idling) {
// no pending jobs
this.idling = true;
this.emit('idle');
}
return;
}
// find first available connection
for (i = 0, len = this._connections.length; i < len; i++) {
if (this._connections[i].available) {
connection = this._connections[i];
break;
}
}
if (!connection && this._connections.length < this.options.maxConnections) {
connection = this._createConnection();
}
if (!connection) {
// no more free connection slots available
this.idling = false;
return;
}
// check if there is free space in the processing queue
if (!this.idling && this._queue.length < this.options.maxConnections) {
this.idling = true;
this.emit('idle');
}
let entry = (connection.queueEntry = this._queue.shift());
entry.messageId = (connection.queueEntry.mail.message.getHeader('message-id') || '').replace(/[<>\s]/g, '');
connection.available = false;
this.logger.debug(
{
tnx: 'pool',
cid: connection.id,
messageId: entry.messageId,
action: 'assign'
},
'Assigned message <%s> to #%s (%s)',
entry.messageId,
connection.id,
connection.messages + 1
);
if (this._rateLimit.limit) {
this._rateLimit.counter++;
if (!this._rateLimit.checkpoint) {
this._rateLimit.checkpoint = Date.now();
}
}
connection.send(entry.mail, (err, info) => {
// only process callback if current handler is not changed
if (entry === connection.queueEntry) {
try {
entry.callback(err, info);
} catch (E) {
this.logger.error(
{
err: E,
tnx: 'callback',
cid: connection.id
},
'Callback error for #%s: %s',
connection.id,
E.message
);
}
connection.queueEntry = false;
}
});
}
/**
* Creates a new pool resource
*/
_createConnection() {
let connection = new PoolResource(this);
connection.id = ++this._connectionCounter;
this.logger.info(
{
tnx: 'pool',
cid: connection.id,
action: 'conection'
},
'Created new pool resource #%s',
connection.id
);
// resource comes available
connection.on('available', () => {
this.logger.debug(
{
tnx: 'connection',
cid: connection.id,
action: 'available'
},
'Connection #%s became available',
connection.id
);
if (this._closed) {
// if already closed run close() that will remove this connections from connections list
this.close();
} else {
// check if there's anything else to send
this._processMessages();
}
});
// resource is terminated with an error
connection.once('error', err => {
if (err.code !== 'EMAXLIMIT') {
this.logger.error(
{
err,
tnx: 'pool',
cid: connection.id
},
'Pool Error for #%s: %s',
connection.id,
err.message
);
} else {
this.logger.debug(
{
tnx: 'pool',
cid: connection.id,
action: 'maxlimit'
},
'Max messages limit exchausted for #%s',
connection.id
);
}
if (connection.queueEntry) {
try {
connection.queueEntry.callback(err);
} catch (E) {
this.logger.error(
{
err: E,
tnx: 'callback',
cid: connection.id
},
'Callback error for #%s: %s',
connection.id,
E.message
);
}
connection.queueEntry = false;
}
// remove the erroneus connection from connections list
this._removeConnection(connection);
this._continueProcessing();
});
connection.once('close', () => {
this.logger.info(
{
tnx: 'connection',
cid: connection.id,
action: 'closed'
},
'Connection #%s was closed',
connection.id
);
this._removeConnection(connection);
if (connection.queueEntry) {
// If the connection closed when sending, add the message to the queue again
// Note that we must wait a bit.. because the callback of the 'error' handler might be called
// in the next event loop
setTimeout(() => {
if (connection.queueEntry) {
this.logger.debug(
{
tnx: 'pool',
cid: connection.id,
messageId: connection.queueEntry.messageId,
action: 'requeue'
},
'Re-queued message <%s> for #%s',
connection.queueEntry.messageId,
connection.id
);
this._queue.unshift(connection.queueEntry);
connection.queueEntry = false;
}
this._continueProcessing();
}, 50);
} else {
this._continueProcessing();
}
});
this._connections.push(connection);
return connection;
}
/**
* Continue to process message if the pool hasn't closed
*/
_continueProcessing() {
if (this._closed) {
this.close();
} else {
setTimeout(() => this._processMessages(), 100);
}
}
/**
* Remove resource from pool
*
* @param {Object} connection The PoolResource to remove
*/
_removeConnection(connection) {
let index = this._connections.indexOf(connection);
if (index !== -1) {
this._connections.splice(index, 1);
}
}
/**
* Checks if connections have hit current rate limit and if so, queues the availability callback
*
* @param {Function} callback Callback function to run once rate limiter has been cleared
*/
_checkRateLimit(callback) {
if (!this._rateLimit.limit) {
return callback();
}
let now = Date.now();
if (this._rateLimit.counter < this._rateLimit.limit) {
return callback();
}
this._rateLimit.waiting.push(callback);
if (this._rateLimit.checkpoint <= now - this._rateLimit.delta) {
return this._clearRateLimit();
} else if (!this._rateLimit.timeout) {
this._rateLimit.timeout = setTimeout(() => this._clearRateLimit(), this._rateLimit.delta - (now - this._rateLimit.checkpoint));
this._rateLimit.checkpoint = now;
}
}
/**
* Clears current rate limit limitation and runs paused callback
*/
_clearRateLimit() {
clearTimeout(this._rateLimit.timeout);
this._rateLimit.timeout = null;
this._rateLimit.counter = 0;
this._rateLimit.checkpoint = false;
// resume all paused connections
while (this._rateLimit.waiting.length) {
let cb = this._rateLimit.waiting.shift();
setImmediate(cb);
}
}
/**
* Returns true if there are free slots in the queue
*/
isIdle() {
return this.idling;
}
/**
* Verifies SMTP configuration
*
* @param {Function} callback Callback function
*/
verify(callback) {
let promise;
if (!callback && typeof Promise === 'function') {
promise = new Promise((resolve, reject) => {
callback = shared.callbackPromise(resolve, reject);
});
}
let auth = new PoolResource(this).auth;
this.getSocket(this.options, (err, socketOptions) => {
if (err) {
return callback(err);
}
let options = this.options;
if (socketOptions && socketOptions.connection) {
this.logger.info(
{
tnx: 'proxy',
remoteAddress: socketOptions.connection.remoteAddress,
remotePort: socketOptions.connection.remotePort,
destHost: options.host || '',
destPort: options.port || '',
action: 'connected'
},
'Using proxied socket from %s:%s to %s:%s',
socketOptions.connection.remoteAddress,
socketOptions.connection.remotePort,
options.host || '',
options.port || ''
);
options = shared.assign(false, options);
Object.keys(socketOptions).forEach(key => {
options[key] = socketOptions[key];
});
}
let connection = new SMTPConnection(options);
let returned = false;
connection.once('error', err => {
if (returned) {
return;
}
returned = true;
connection.close();
return callback(err);
});
connection.once('end', () => {
if (returned) {
return;
}
returned = true;
return callback(new Error('Connection closed'));
});
let finalize = () => {
if (returned) {
return;
}
returned = true;
connection.quit();
return callback(null, true);
};
connection.connect(() => {
if (returned) {
return;
}
if (auth) {
connection.login(auth, err => {
if (returned) {
return;
}
if (err) {
returned = true;
connection.close();
return callback(err);
}
finalize();
});
} else {
finalize();
}
});
});
return promise;
}
}
// expose to the world
module.exports = SMTPPool;

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'use strict';
const SMTPConnection = require('../smtp-connection');
const assign = require('../shared').assign;
const XOAuth2 = require('../xoauth2');
const EventEmitter = require('events');
/**
* Creates an element for the pool
*
* @constructor
* @param {Object} options SMTPPool instance
*/
class PoolResource extends EventEmitter {
constructor(pool) {
super();
this.pool = pool;
this.options = pool.options;
this.logger = this.pool.logger;
if (this.options.auth) {
switch ((this.options.auth.type || '').toString().toUpperCase()) {
case 'OAUTH2': {
let oauth2 = new XOAuth2(this.options.auth, this.logger);
oauth2.provisionCallback = (this.pool.mailer && this.pool.mailer.get('oauth2_provision_cb')) || oauth2.provisionCallback;
this.auth = {
type: 'OAUTH2',
user: this.options.auth.user,
oauth2,
method: 'XOAUTH2'
};
oauth2.on('token', token => this.pool.mailer.emit('token', token));
oauth2.on('error', err => this.emit('error', err));
break;
}
default:
if (!this.options.auth.user && !this.options.auth.pass) {
break;
}
this.auth = {
type: 'LOGIN',
user: this.options.auth.user,
credentials: {
user: this.options.auth.user || '',
pass: this.options.auth.pass
},
method: (this.options.auth.method || '').trim().toUpperCase() || false
};
}
}
this._connection = false;
this._connected = false;
this.messages = 0;
this.available = true;
}
/**
* Initiates a connection to the SMTP server
*
* @param {Function} callback Callback function to run once the connection is established or failed
*/
connect(callback) {
this.pool.getSocket(this.options, (err, socketOptions) => {
if (err) {
return callback(err);
}
let returned = false;
let options = this.options;
if (socketOptions && socketOptions.connection) {
this.logger.info(
{
tnx: 'proxy',
remoteAddress: socketOptions.connection.remoteAddress,
remotePort: socketOptions.connection.remotePort,
destHost: options.host || '',
destPort: options.port || '',
action: 'connected'
},
'Using proxied socket from %s:%s to %s:%s',
socketOptions.connection.remoteAddress,
socketOptions.connection.remotePort,
options.host || '',
options.port || ''
);
options = assign(false, options);
Object.keys(socketOptions).forEach(key => {
options[key] = socketOptions[key];
});
}
this.connection = new SMTPConnection(options);
this.connection.once('error', err => {
this.emit('error', err);
if (returned) {
return;
}
returned = true;
return callback(err);
});
this.connection.once('end', () => {
this.close();
if (returned) {
return;
}
returned = true;
let timer = setTimeout(() => {
if (returned) {
return;
}
// still have not returned, this means we have an unexpected connection close
let err = new Error('Unexpected socket close');
if (this.connection && this.connection._socket && this.connection._socket.upgrading) {
// starttls connection errors
err.code = 'ETLS';
}
callback(err);
}, 1000);
try {
timer.unref();
} catch (E) {
// Ignore. Happens on envs with non-node timer implementation
}
});
this.connection.connect(() => {
if (returned) {
return;
}
if (this.auth) {
this.connection.login(this.auth, err => {
if (returned) {
return;
}
returned = true;
if (err) {
this.connection.close();
this.emit('error', err);
return callback(err);
}
this._connected = true;
callback(null, true);
});
} else {
returned = true;
this._connected = true;
return callback(null, true);
}
});
});
}
/**
* Sends an e-mail to be sent using the selected settings
*
* @param {Object} mail Mail object
* @param {Function} callback Callback function
*/
send(mail, callback) {
if (!this._connected) {
return this.connect(err => {
if (err) {
return callback(err);
}
return this.send(mail, callback);
});
}
let envelope = mail.message.getEnvelope();
let messageId = mail.message.messageId();
let recipients = [].concat(envelope.to || []);
if (recipients.length > 3) {
recipients.push('...and ' + recipients.splice(2).length + ' more');
}
this.logger.info(
{
tnx: 'send',
messageId,
cid: this.id
},
'Sending message %s using #%s to <%s>',
messageId,
this.id,
recipients.join(', ')
);
if (mail.data.dsn) {
envelope.dsn = mail.data.dsn;
}
this.connection.send(envelope, mail.message.createReadStream(), (err, info) => {
this.messages++;
if (err) {
this.connection.close();
this.emit('error', err);
return callback(err);
}
info.envelope = {
from: envelope.from,
to: envelope.to
};
info.messageId = messageId;
setImmediate(() => {
let err;
if (this.messages >= this.options.maxMessages) {
err = new Error('Resource exhausted');
err.code = 'EMAXLIMIT';
this.connection.close();
this.emit('error', err);
} else {
this.pool._checkRateLimit(() => {
this.available = true;
this.emit('available');
});
}
});
callback(null, info);
});
}
/**
* Closes the connection
*/
close() {
this._connected = false;
if (this.auth && this.auth.oauth2) {
this.auth.oauth2.removeAllListeners();
}
if (this.connection) {
this.connection.close();
}
this.emit('close');
}
}
module.exports = PoolResource;

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node_modules/nodemailer/lib/smtp-transport/index.js generated vendored Normal file
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'use strict';
const EventEmitter = require('events');
const SMTPConnection = require('../smtp-connection');
const wellKnown = require('../well-known');
const shared = require('../shared');
const XOAuth2 = require('../xoauth2');
const packageData = require('../../package.json');
/**
* Creates a SMTP transport object for Nodemailer
*
* @constructor
* @param {Object} options Connection options
*/
class SMTPTransport extends EventEmitter {
constructor(options) {
super();
options = options || {};
if (typeof options === 'string') {
options = {
url: options
};
}
let urlData;
let service = options.service;
if (typeof options.getSocket === 'function') {
this.getSocket = options.getSocket;
}
if (options.url) {
urlData = shared.parseConnectionUrl(options.url);
service = service || urlData.service;
}
this.options = shared.assign(
false, // create new object
options, // regular options
urlData, // url options
service && wellKnown(service) // wellknown options
);
this.logger = shared.getLogger(this.options, {
component: this.options.component || 'smtp-transport'
});
// temporary object
let connection = new SMTPConnection(this.options);
this.name = 'SMTP';
this.version = packageData.version + '[client:' + connection.version + ']';
if (this.options.auth) {
this.auth = this.getAuth({});
}
}
/**
* Placeholder function for creating proxy sockets. This method immediatelly returns
* without a socket
*
* @param {Object} options Connection options
* @param {Function} callback Callback function to run with the socket keys
*/
getSocket(options, callback) {
// return immediatelly
return setImmediate(() => callback(null, false));
}
getAuth(authOpts) {
if (!authOpts) {
return this.auth;
}
let hasAuth = false;
let authData = {};
if (this.options.auth && typeof this.options.auth === 'object') {
Object.keys(this.options.auth).forEach(key => {
hasAuth = true;
authData[key] = this.options.auth[key];
});
}
if (authOpts && typeof authOpts === 'object') {
Object.keys(authOpts).forEach(key => {
hasAuth = true;
authData[key] = authOpts[key];
});
}
if (!hasAuth) {
return false;
}
switch ((authData.type || '').toString().toUpperCase()) {
case 'OAUTH2': {
if (!authData.service && !authData.user) {
return false;
}
let oauth2 = new XOAuth2(authData, this.logger);
oauth2.provisionCallback = (this.mailer && this.mailer.get('oauth2_provision_cb')) || oauth2.provisionCallback;
oauth2.on('token', token => this.mailer.emit('token', token));
oauth2.on('error', err => this.emit('error', err));
return {
type: 'OAUTH2',
user: authData.user,
oauth2,
method: 'XOAUTH2'
};
}
default:
return {
type: 'LOGIN',
user: authData.user,
credentials: {
user: authData.user || '',
pass: authData.pass
},
method: (authData.method || '').trim().toUpperCase() || false
};
}
}
/**
* Sends an e-mail using the selected settings
*
* @param {Object} mail Mail object
* @param {Function} callback Callback function
*/
send(mail, callback) {
this.getSocket(this.options, (err, socketOptions) => {
if (err) {
return callback(err);
}
let returned = false;
let options = this.options;
if (socketOptions && socketOptions.connection) {
this.logger.info(
{
tnx: 'proxy',
remoteAddress: socketOptions.connection.remoteAddress,
remotePort: socketOptions.connection.remotePort,
destHost: options.host || '',
destPort: options.port || '',
action: 'connected'
},
'Using proxied socket from %s:%s to %s:%s',
socketOptions.connection.remoteAddress,
socketOptions.connection.remotePort,
options.host || '',
options.port || ''
);
// only copy options if we need to modify it
options = shared.assign(false, options);
Object.keys(socketOptions).forEach(key => {
options[key] = socketOptions[key];
});
}
let connection = new SMTPConnection(options);
connection.once('error', err => {
if (returned) {
return;
}
returned = true;
connection.close();
return callback(err);
});
connection.once('end', () => {
if (returned) {
return;
}
let timer = setTimeout(() => {
if (returned) {
return;
}
returned = true;
// still have not returned, this means we have an unexpected connection close
let err = new Error('Unexpected socket close');
if (connection && connection._socket && connection._socket.upgrading) {
// starttls connection errors
err.code = 'ETLS';
}
callback(err);
}, 1000);
try {
timer.unref();
} catch (E) {
// Ignore. Happens on envs with non-node timer implementation
}
});
let sendMessage = () => {
let envelope = mail.message.getEnvelope();
let messageId = mail.message.messageId();
let recipients = [].concat(envelope.to || []);
if (recipients.length > 3) {
recipients.push('...and ' + recipients.splice(2).length + ' more');
}
if (mail.data.dsn) {
envelope.dsn = mail.data.dsn;
}
this.logger.info(
{
tnx: 'send',
messageId
},
'Sending message %s to <%s>',
messageId,
recipients.join(', ')
);
connection.send(envelope, mail.message.createReadStream(), (err, info) => {
returned = true;
connection.close();
if (err) {
this.logger.error(
{
err,
tnx: 'send'
},
'Send error for %s: %s',
messageId,
err.message
);
return callback(err);
}
info.envelope = {
from: envelope.from,
to: envelope.to
};
info.messageId = messageId;
try {
return callback(null, info);
} catch (E) {
this.logger.error(
{
err: E,
tnx: 'callback'
},
'Callback error for %s: %s',
messageId,
E.message
);
}
});
};
connection.connect(() => {
if (returned) {
return;
}
let auth = this.getAuth(mail.data.auth);
if (auth) {
connection.login(auth, err => {
if (auth && auth !== this.auth && auth.oauth2) {
auth.oauth2.removeAllListeners();
}
if (returned) {
return;
}
if (err) {
returned = true;
connection.close();
return callback(err);
}
sendMessage();
});
} else {
sendMessage();
}
});
});
}
/**
* Verifies SMTP configuration
*
* @param {Function} callback Callback function
*/
verify(callback) {
let promise;
if (!callback && typeof Promise === 'function') {
promise = new Promise((resolve, reject) => {
callback = shared.callbackPromise(resolve, reject);
});
}
this.getSocket(this.options, (err, socketOptions) => {
if (err) {
return callback(err);
}
let options = this.options;
if (socketOptions && socketOptions.connection) {
this.logger.info(
{
tnx: 'proxy',
remoteAddress: socketOptions.connection.remoteAddress,
remotePort: socketOptions.connection.remotePort,
destHost: options.host || '',
destPort: options.port || '',
action: 'connected'
},
'Using proxied socket from %s:%s to %s:%s',
socketOptions.connection.remoteAddress,
socketOptions.connection.remotePort,
options.host || '',
options.port || ''
);
options = shared.assign(false, options);
Object.keys(socketOptions).forEach(key => {
options[key] = socketOptions[key];
});
}
let connection = new SMTPConnection(options);
let returned = false;
connection.once('error', err => {
if (returned) {
return;
}
returned = true;
connection.close();
return callback(err);
});
connection.once('end', () => {
if (returned) {
return;
}
returned = true;
return callback(new Error('Connection closed'));
});
let finalize = () => {
if (returned) {
return;
}
returned = true;
connection.quit();
return callback(null, true);
};
connection.connect(() => {
if (returned) {
return;
}
let authData = this.getAuth({});
if (authData) {
connection.login(authData, err => {
if (returned) {
return;
}
if (err) {
returned = true;
connection.close();
return callback(err);
}
finalize();
});
} else {
finalize();
}
});
});
return promise;
}
/**
* Releases resources
*/
close() {
if (this.auth && this.auth.oauth2) {
this.auth.oauth2.removeAllListeners();
}
this.emit('close');
}
}
// expose to the world
module.exports = SMTPTransport;

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node_modules/nodemailer/lib/stream-transport/index.js generated vendored Normal file
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'use strict';
const packageData = require('../../package.json');
const shared = require('../shared');
const LeWindows = require('../sendmail-transport/le-windows');
const LeUnix = require('../sendmail-transport/le-unix');
/**
* Generates a Transport object for streaming
*
* Possible options can be the following:
*
* * **buffer** if true, then returns the message as a Buffer object instead of a stream
* * **newline** either 'windows' or 'unix'
*
* @constructor
* @param {Object} optional config parameter for the AWS Sendmail service
*/
class SendmailTransport {
constructor(options) {
options = options || {};
this.options = options || {};
this.name = 'StreamTransport';
this.version = packageData.version;
this.logger = shared.getLogger(this.options, {
component: this.options.component || 'stream-transport'
});
this.winbreak = ['win', 'windows', 'dos', '\r\n'].includes((options.newline || '').toString().toLowerCase());
}
/**
* Compiles a mailcomposer message and forwards it to handler that sends it
*
* @param {Object} emailMessage MailComposer object
* @param {Function} callback Callback function to run when the sending is completed
*/
send(mail, done) {
// We probably need this in the output
mail.message.keepBcc = true;
let envelope = mail.data.envelope || mail.message.getEnvelope();
let messageId = mail.message.messageId();
let recipients = [].concat(envelope.to || []);
if (recipients.length > 3) {
recipients.push('...and ' + recipients.splice(2).length + ' more');
}
this.logger.info(
{
tnx: 'send',
messageId
},
'Sending message %s to <%s> using %s line breaks',
messageId,
recipients.join(', '),
this.winbreak ? '<CR><LF>' : '<LF>'
);
setImmediate(() => {
let sourceStream;
let stream;
let transform;
try {
transform = this.winbreak ? new LeWindows() : new LeUnix();
sourceStream = mail.message.createReadStream();
stream = sourceStream.pipe(transform);
sourceStream.on('error', err => stream.emit('error', err));
} catch (E) {
this.logger.error(
{
err: E,
tnx: 'send',
messageId
},
'Creating send stream failed for %s. %s',
messageId,
E.message
);
return done(E);
}
if (!this.options.buffer) {
stream.once('error', err => {
this.logger.error(
{
err,
tnx: 'send',
messageId
},
'Failed creating message for %s. %s',
messageId,
err.message
);
});
return done(null, {
envelope: mail.data.envelope || mail.message.getEnvelope(),
messageId,
message: stream
});
}
let chunks = [];
let chunklen = 0;
stream.on('readable', () => {
let chunk;
while ((chunk = stream.read()) !== null) {
chunks.push(chunk);
chunklen += chunk.length;
}
});
stream.once('error', err => {
this.logger.error(
{
err,
tnx: 'send',
messageId
},
'Failed creating message for %s. %s',
messageId,
err.message
);
return done(err);
});
stream.on('end', () =>
done(null, {
envelope: mail.data.envelope || mail.message.getEnvelope(),
messageId,
message: Buffer.concat(chunks, chunklen)
})
);
});
}
}
module.exports = SendmailTransport;

47
node_modules/nodemailer/lib/well-known/index.js generated vendored Normal file
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'use strict';
const services = require('./services.json');
const normalized = {};
Object.keys(services).forEach(key => {
let service = services[key];
normalized[normalizeKey(key)] = normalizeService(service);
[].concat(service.aliases || []).forEach(alias => {
normalized[normalizeKey(alias)] = normalizeService(service);
});
[].concat(service.domains || []).forEach(domain => {
normalized[normalizeKey(domain)] = normalizeService(service);
});
});
function normalizeKey(key) {
return key.replace(/[^a-zA-Z0-9.-]/g, '').toLowerCase();
}
function normalizeService(service) {
let filter = ['domains', 'aliases'];
let response = {};
Object.keys(service).forEach(key => {
if (filter.indexOf(key) < 0) {
response[key] = service[key];
}
});
return response;
}
/**
* Resolves SMTP config for given key. Key can be a name (like 'Gmail'), alias (like 'Google Mail') or
* an email address (like 'test@googlemail.com').
*
* @param {String} key [description]
* @returns {Object} SMTP config or false if not found
*/
module.exports = function(key) {
key = normalizeKey(key.split('@').pop());
return normalized[key] || false;
};

247
node_modules/nodemailer/lib/well-known/services.json generated vendored Normal file
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{
"1und1": {
"host": "smtp.1und1.de",
"port": 465,
"secure": true,
"authMethod": "LOGIN"
},
"AOL": {
"domains": ["aol.com"],
"host": "smtp.aol.com",
"port": 587
},
"DebugMail": {
"host": "debugmail.io",
"port": 25
},
"DynectEmail": {
"aliases": ["Dynect"],
"host": "smtp.dynect.net",
"port": 25
},
"FastMail": {
"domains": ["fastmail.fm"],
"host": "mail.messagingengine.com",
"port": 465,
"secure": true
},
"GandiMail": {
"aliases": ["Gandi", "Gandi Mail"],
"host": "mail.gandi.net",
"port": 587
},
"Gmail": {
"aliases": ["Google Mail"],
"domains": ["gmail.com", "googlemail.com"],
"host": "smtp.gmail.com",
"port": 465,
"secure": true
},
"Godaddy": {
"host": "smtpout.secureserver.net",
"port": 25
},
"GodaddyAsia": {
"host": "smtp.asia.secureserver.net",
"port": 25
},
"GodaddyEurope": {
"host": "smtp.europe.secureserver.net",
"port": 25
},
"hot.ee": {
"host": "mail.hot.ee"
},
"Hotmail": {
"aliases": ["Outlook", "Outlook.com", "Hotmail.com"],
"domains": ["hotmail.com", "outlook.com"],
"host": "smtp.live.com",
"port": 587,
"tls": {
"ciphers": "SSLv3"
}
},
"iCloud": {
"aliases": ["Me", "Mac"],
"domains": ["me.com", "mac.com"],
"host": "smtp.mail.me.com",
"port": 587
},
"mail.ee": {
"host": "smtp.mail.ee"
},
"Mail.ru": {
"host": "smtp.mail.ru",
"port": 465,
"secure": true
},
"Maildev": {
"port": 1025,
"ignoreTLS": true
},
"Mailgun": {
"host": "smtp.mailgun.org",
"port": 587
},
"Mailjet": {
"host": "in.mailjet.com",
"port": 587
},
"Mailosaur": {
"host": "mailosaur.io",
"port": 25
},
"Mailtrap": {
"host": "smtp.mailtrap.io",
"port": 2525
},
"Mandrill": {
"host": "smtp.mandrillapp.com",
"port": 587
},
"Naver": {
"host": "smtp.naver.com",
"port": 587
},
"OpenMailBox": {
"aliases": ["OMB", "openmailbox.org"],
"host": "smtp.openmailbox.org",
"port": 465,
"secure": true
},
"Outlook365": {
"host": "smtp.office365.com",
"port": 587,
"secure": false
},
"Postmark": {
"aliases": ["PostmarkApp"],
"host": "smtp.postmarkapp.com",
"port": 2525
},
"QQ": {
"domains": ["qq.com"],
"host": "smtp.qq.com",
"port": 465,
"secure": true
},
"QQex": {
"aliases": ["QQ Enterprise"],
"domains": ["exmail.qq.com"],
"host": "smtp.exmail.qq.com",
"port": 465,
"secure": true
},
"SendCloud": {
"host": "smtpcloud.sohu.com",
"port": 25
},
"SendGrid": {
"host": "smtp.sendgrid.net",
"port": 587
},
"SendinBlue": {
"host": "smtp-relay.sendinblue.com",
"port": 587
},
"SendPulse": {
"host": "smtp-pulse.com",
"port": 465,
"secure": true
},
"SES": {
"host": "email-smtp.us-east-1.amazonaws.com",
"port": 465,
"secure": true
},
"SES-US-EAST-1": {
"host": "email-smtp.us-east-1.amazonaws.com",
"port": 465,
"secure": true
},
"SES-US-WEST-2": {
"host": "email-smtp.us-west-2.amazonaws.com",
"port": 465,
"secure": true
},
"SES-EU-WEST-1": {
"host": "email-smtp.eu-west-1.amazonaws.com",
"port": 465,
"secure": true
},
"Sparkpost": {
"aliases": ["SparkPost", "SparkPost Mail"],
"domains": ["sparkpost.com"],
"host": "smtp.sparkpostmail.com",
"port": 587,
"secure": false
},
"Yahoo": {
"domains": ["yahoo.com"],
"host": "smtp.mail.yahoo.com",
"port": 465,
"secure": true
},
"Yandex": {
"domains": ["yandex.ru"],
"host": "smtp.yandex.ru",
"port": 465,
"secure": true
},
"Zoho": {
"host": "smtp.zoho.com",
"port": 465,
"secure": true,
"authMethod": "LOGIN"
},
"126": {
"host": "smtp.126.com",
"port": 465,
"secure": true
},
"163": {
"host": "smtp.163.com",
"port": 465,
"secure": true
},
"qiye.aliyun": {
"host": "smtp.mxhichina.com",
"port": "465",
"secure": true
}
}

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'use strict';
const Stream = require('stream').Stream;
const fetch = require('../fetch');
const crypto = require('crypto');
const shared = require('../shared');
/**
* XOAUTH2 access_token generator for Gmail.
* Create client ID for web applications in Google API console to use it.
* See Offline Access for receiving the needed refreshToken for an user
* https://developers.google.com/accounts/docs/OAuth2WebServer#offline
*
* Usage for generating access tokens with a custom method using provisionCallback:
* provisionCallback(user, renew, callback)
* * user is the username to get the token for
* * renew is a boolean that if true indicates that existing token failed and needs to be renewed
* * callback is the callback to run with (error, accessToken [, expires])
* * accessToken is a string
* * expires is an optional expire time in milliseconds
* If provisionCallback is used, then Nodemailer does not try to attempt generating the token by itself
*
* @constructor
* @param {Object} options Client information for token generation
* @param {String} options.user User e-mail address
* @param {String} options.clientId Client ID value
* @param {String} options.clientSecret Client secret value
* @param {String} options.refreshToken Refresh token for an user
* @param {String} options.accessUrl Endpoint for token generation, defaults to 'https://accounts.google.com/o/oauth2/token'
* @param {String} options.accessToken An existing valid accessToken
* @param {String} options.privateKey Private key for JSW
* @param {Number} options.expires Optional Access Token expire time in ms
* @param {Number} options.timeout Optional TTL for Access Token in seconds
* @param {Function} options.provisionCallback Function to run when a new access token is required
*/
class XOAuth2 extends Stream {
constructor(options, logger) {
super();
this.options = options || {};
if (options && options.serviceClient) {
if (!options.privateKey || !options.user) {
setImmediate(() => this.emit('error', new Error('Options "privateKey" and "user" are required for service account!')));
return;
}
let serviceRequestTimeout = Math.min(Math.max(Number(this.options.serviceRequestTimeout) || 0, 0), 3600);
this.options.serviceRequestTimeout = serviceRequestTimeout || 5 * 60;
}
this.logger = shared.getLogger(
{
logger
},
{
component: this.options.component || 'OAuth2'
}
);
this.provisionCallback = typeof this.options.provisionCallback === 'function' ? this.options.provisionCallback : false;
this.options.accessUrl = this.options.accessUrl || 'https://accounts.google.com/o/oauth2/token';
this.options.customHeaders = this.options.customHeaders || {};
this.options.customParams = this.options.customParams || {};
this.accessToken = this.options.accessToken || false;
if (this.options.expires && Number(this.options.expires)) {
this.expires = this.options.expires;
} else {
let timeout = Math.max(Number(this.options.timeout) || 0, 0);
this.expires = (timeout && Date.now() + timeout * 1000) || 0;
}
}
/**
* Returns or generates (if previous has expired) a XOAuth2 token
*
* @param {Boolean} renew If false then use cached access token (if available)
* @param {Function} callback Callback function with error object and token string
*/
getToken(renew, callback) {
if (!renew && this.accessToken && (!this.expires || this.expires > Date.now())) {
return callback(null, this.accessToken);
}
let generateCallback = (...args) => {
if (args[0]) {
this.logger.error(
{
err: args[0],
tnx: 'OAUTH2',
user: this.options.user,
action: 'renew'
},
'Failed generating new Access Token for %s',
this.options.user
);
} else {
this.logger.info(
{
tnx: 'OAUTH2',
user: this.options.user,
action: 'renew'
},
'Generated new Access Token for %s',
this.options.user
);
}
callback(...args);
};
if (this.provisionCallback) {
this.provisionCallback(this.options.user, !!renew, (err, accessToken, expires) => {
if (!err && accessToken) {
this.accessToken = accessToken;
this.expires = expires || 0;
}
generateCallback(err, accessToken);
});
} else {
this.generateToken(generateCallback);
}
}
/**
* Updates token values
*
* @param {String} accessToken New access token
* @param {Number} timeout Access token lifetime in seconds
*
* Emits 'token': { user: User email-address, accessToken: the new accessToken, timeout: TTL in seconds}
*/
updateToken(accessToken, timeout) {
this.accessToken = accessToken;
timeout = Math.max(Number(timeout) || 0, 0);
this.expires = (timeout && Date.now() + timeout * 1000) || 0;
this.emit('token', {
user: this.options.user,
accessToken: accessToken || '',
expires: this.expires
});
}
/**
* Generates a new XOAuth2 token with the credentials provided at initialization
*
* @param {Function} callback Callback function with error object and token string
*/
generateToken(callback) {
let urlOptions;
if (this.options.serviceClient) {
// service account - https://developers.google.com/identity/protocols/OAuth2ServiceAccount
let iat = Math.floor(Date.now() / 1000); // unix time
let token = this.jwtSignRS256({
iss: this.options.serviceClient,
scope: this.options.scope || 'https://mail.google.com/',
sub: this.options.user,
aud: this.options.accessUrl,
iat,
exp: iat + this.options.serviceRequestTimeout
});
urlOptions = {
grant_type: 'urn:ietf:params:oauth:grant-type:jwt-bearer',
assertion: token
};
} else {
if (!this.options.refreshToken) {
return callback(new Error('Can\x27t create new access token for user'));
}
// web app - https://developers.google.com/identity/protocols/OAuth2WebServer
urlOptions = {
client_id: this.options.clientId || '',
client_secret: this.options.clientSecret || '',
refresh_token: this.options.refreshToken,
grant_type: 'refresh_token'
};
}
Object.keys(this.options.customParams).forEach(key => {
urlOptions[key] = this.options.customParams[key];
});
this.postRequest(this.options.accessUrl, urlOptions, this.options, (error, body) => {
let data;
if (error) {
return callback(error);
}
try {
data = JSON.parse(body.toString());
} catch (E) {
return callback(E);
}
if (!data || typeof data !== 'object') {
return callback(new Error('Invalid authentication response'));
}
if (data.error) {
return callback(new Error(data.error));
}
if (data.access_token) {
this.updateToken(data.access_token, data.expires_in);
return callback(null, this.accessToken);
}
return callback(new Error('No access token'));
});
}
/**
* Converts an access_token and user id into a base64 encoded XOAuth2 token
*
* @param {String} [accessToken] Access token string
* @return {String} Base64 encoded token for IMAP or SMTP login
*/
buildXOAuth2Token(accessToken) {
let authData = ['user=' + (this.options.user || ''), 'auth=Bearer ' + (accessToken || this.accessToken), '', ''];
return Buffer.from(authData.join('\x01'), 'utf-8').toString('base64');
}
/**
* Custom POST request handler.
* This is only needed to keep paths short in Windows – usually this module
* is a dependency of a dependency and if it tries to require something
* like the request module the paths get way too long to handle for Windows.
* As we do only a simple POST request we do not actually require complicated
* logic support (no redirects, no nothing) anyway.
*
* @param {String} url Url to POST to
* @param {String|Buffer} payload Payload to POST
* @param {Function} callback Callback function with (err, buff)
*/
postRequest(url, payload, params, callback) {
let returned = false;
let chunks = [];
let chunklen = 0;
let req = fetch(url, {
method: 'post',
headers: params.customHeaders,
body: payload
});
req.on('readable', () => {
let chunk;
while ((chunk = req.read()) !== null) {
chunks.push(chunk);
chunklen += chunk.length;
}
});
req.once('error', err => {
if (returned) {
return;
}
returned = true;
return callback(err);
});
req.once('end', () => {
if (returned) {
return;
}
returned = true;
return callback(null, Buffer.concat(chunks, chunklen));
});
}
/**
* Encodes a buffer or a string into Base64url format
*
* @param {Buffer|String} data The data to convert
* @return {String} The encoded string
*/
toBase64URL(data) {
if (typeof data === 'string') {
data = Buffer.from(data);
}
return data
.toString('base64')
.replace(/[=]+/g, '') // remove '='s
.replace(/\+/g, '-') // '+' → '-'
.replace(/\//g, '_'); // '/' → '_'
}
/**
* Creates a JSON Web Token signed with RS256 (SHA256 + RSA)
*
* @param {Object} payload The payload to include in the generated token
* @return {String} The generated and signed token
*/
jwtSignRS256(payload) {
payload = ['{"alg":"RS256","typ":"JWT"}', JSON.stringify(payload)].map(val => this.toBase64URL(val)).join('.');
let signature = crypto
.createSign('RSA-SHA256')
.update(payload)
.sign(this.options.privateKey);
return payload + '.' + this.toBase64URL(signature);
}
}
module.exports = XOAuth2;