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2075 lines
62 KiB
JavaScript
2075 lines
62 KiB
JavaScript
var tls = require('tls'),
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Socket = require('net').Socket,
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EventEmitter = require('events').EventEmitter,
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inherits = require('util').inherits,
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inspect = require('util').inspect,
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isDate = require('util').isDate,
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utf7 = require('utf7').imap;
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var Parser = require('./Parser').Parser,
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parseExpr = require('./Parser').parseExpr,
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parseHeader = require('./Parser').parseHeader;
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var MAX_INT = 9007199254740992,
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KEEPALIVE_INTERVAL = 10000,
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MAX_IDLE_WAIT = 300000, // 5 minutes
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MONTHS = ['Jan', 'Feb', 'Mar',
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'Apr', 'May', 'Jun',
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'Jul', 'Aug', 'Sep',
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'Oct', 'Nov', 'Dec'],
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FETCH_ATTR_MAP = {
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'RFC822.SIZE': 'size',
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'BODY': 'struct',
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'BODYSTRUCTURE': 'struct',
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'ENVELOPE': 'envelope',
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'INTERNALDATE': 'date'
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},
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SPECIAL_USE_ATTRIBUTES = [
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'\\All',
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'\\Archive',
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'\\Drafts',
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'\\Flagged',
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'\\Junk',
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'\\Sent',
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'\\Trash'
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],
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CRLF = '\r\n',
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RE_CMD = /^([^ ]+)(?: |$)/,
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RE_UIDCMD_HASRESULTS = /^UID (?:FETCH|SEARCH|SORT)/,
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RE_IDLENOOPRES = /^(IDLE|NOOP) /,
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RE_OPENBOX = /^EXAMINE|SELECT$/,
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RE_BODYPART = /^BODY\[/,
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RE_INVALID_KW_CHARS = /[\(\)\{\\\"\]\%\*\x00-\x20\x7F]/,
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RE_NUM_RANGE = /^(?:[\d]+|\*):(?:[\d]+|\*)$/,
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RE_BACKSLASH = /\\/g,
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RE_DBLQUOTE = /"/g,
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RE_ESCAPE = /\\\\/g,
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RE_INTEGER = /^\d+$/;
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function Connection(config) {
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if (!(this instanceof Connection))
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return new Connection(config);
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EventEmitter.call(this);
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config || (config = {});
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this._config = {
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socket: config.socket,
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host: config.host || 'localhost',
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port: config.port || 143,
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tls: config.tls,
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tlsOptions: config.tlsOptions,
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autotls: config.autotls,
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user: config.user,
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password: config.password,
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xoauth: config.xoauth,
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xoauth2: config.xoauth2,
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connTimeout: config.connTimeout || 10000,
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authTimeout: config.authTimeout || 5000,
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keepalive: (typeof config.keepalive === 'boolean'
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? config.keepalive
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: true)
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};
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this._sock = config.socket || undefined;
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this._tagcount = 0;
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this._tmrConn = undefined;
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this._tmrKeepalive = undefined;
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this._tmrAuth = undefined;
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this._queue = [];
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this._box = undefined;
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this._idle = {};
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this._parser = undefined;
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this._curReq = undefined;
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this.delimiter = undefined;
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this.namespaces = undefined;
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this.state = 'disconnected';
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this.debug = config.debug;
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}
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inherits(Connection, EventEmitter);
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Connection.prototype.connect = function() {
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var config = this._config, self = this, socket, parser, tlsOptions;
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socket = config.socket || new Socket();
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socket.setKeepAlive(true);
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socket.setTimeout(0);
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this._sock = undefined;
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this._tagcount = 0;
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this._tmrConn = undefined;
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this._tmrKeepalive = undefined;
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this._tmrAuth = undefined;
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this._queue = [];
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this._box = undefined;
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this._idle = {};
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this._parser = undefined;
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this._curReq = undefined;
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this.delimiter = undefined;
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this.namespaces = undefined;
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this.state = 'disconnected';
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if (config.tls) {
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tlsOptions = {};
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tlsOptions.host = config.host;
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// Host name may be overridden the tlsOptions
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for (var k in config.tlsOptions)
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tlsOptions[k] = config.tlsOptions[k];
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tlsOptions.socket = socket;
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}
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if (config.tls)
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this._sock = tls.connect(tlsOptions, onconnect);
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else {
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socket.once('connect', onconnect);
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this._sock = socket;
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}
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function onconnect() {
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clearTimeout(self._tmrConn);
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self.state = 'connected';
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self.debug && self.debug('[connection] Connected to host');
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self._tmrAuth = setTimeout(function() {
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var err = new Error('Timed out while authenticating with server');
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err.source = 'timeout-auth';
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self.emit('error', err);
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socket.destroy();
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}, config.authTimeout);
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}
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this._onError = function(err) {
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clearTimeout(self._tmrConn);
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clearTimeout(self._tmrAuth);
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self.debug && self.debug('[connection] Error: ' + err);
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err.source = 'socket';
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self.emit('error', err);
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};
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this._sock.on('error', this._onError);
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socket.once('close', function(had_err) {
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clearTimeout(self._tmrConn);
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clearTimeout(self._tmrAuth);
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clearTimeout(self._tmrKeepalive);
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self.state = 'disconnected';
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self.debug && self.debug('[connection] Closed');
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self.emit('close', had_err);
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});
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socket.once('end', function() {
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clearTimeout(self._tmrConn);
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clearTimeout(self._tmrAuth);
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clearTimeout(self._tmrKeepalive);
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self.state = 'disconnected';
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self.debug && self.debug('[connection] Ended');
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self.emit('end');
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});
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this._parser = parser = new Parser(this._sock, this.debug);
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parser.on('untagged', function(info) {
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self._resUntagged(info);
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});
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parser.on('tagged', function(info) {
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self._resTagged(info);
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});
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parser.on('body', function(stream, info) {
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var msg = self._curReq.fetchCache[info.seqno], toget;
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if (msg === undefined) {
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msg = self._curReq.fetchCache[info.seqno] = {
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msgEmitter: new EventEmitter(),
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toget: self._curReq.fetching.slice(0),
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attrs: {},
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ended: false
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};
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self._curReq.bodyEmitter.emit('message', msg.msgEmitter, info.seqno);
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}
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toget = msg.toget;
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// here we compare the parsed version of the expression inside BODY[]
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// because 'HEADER.FIELDS (TO FROM)' really is equivalent to
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// 'HEADER.FIELDS ("TO" "FROM")' and some servers will actually send the
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// quoted form even if the client did not use quotes
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var thisbody = parseExpr(info.which);
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for (var i = 0, len = toget.length; i < len; ++i) {
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if (_deepEqual(thisbody, toget[i])) {
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toget.splice(i, 1);
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msg.msgEmitter.emit('body', stream, info);
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return;
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}
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}
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stream.resume(); // a body we didn't ask for?
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});
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parser.on('continue', function(info) {
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var type = self._curReq.type;
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if (type === 'IDLE') {
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if (self._queue.length
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&& self._idle.started === 0
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&& self._curReq
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&& self._curReq.type === 'IDLE'
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&& self._sock
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&& self._sock.writable
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&& !self._idle.enabled) {
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self.debug && self.debug('=> DONE');
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self._sock.write('DONE' + CRLF);
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return;
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}
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// now idling
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self._idle.started = Date.now();
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} else if (/^AUTHENTICATE XOAUTH/.test(self._curReq.fullcmd)) {
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self._curReq.oauthError = new Buffer(info.text, 'base64').toString('utf8');
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self.debug && self.debug('=> ' + inspect(CRLF));
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self._sock.write(CRLF);
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} else if (type === 'APPEND') {
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self._sockWriteAppendData(self._curReq.appendData);
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} else if (self._curReq.lines && self._curReq.lines.length) {
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var line = self._curReq.lines.shift() + '\r\n';
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self.debug && self.debug('=> ' + inspect(line));
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self._sock.write(line, 'binary');
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}
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});
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parser.on('other', function(line) {
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var m;
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if (m = RE_IDLENOOPRES.exec(line)) {
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// no longer idling
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self._idle.enabled = false;
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self._idle.started = undefined;
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clearTimeout(self._tmrKeepalive);
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self._curReq = undefined;
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if (self._queue.length === 0
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&& self._config.keepalive
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&& self.state === 'authenticated'
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&& !self._idle.enabled) {
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self._idle.enabled = true;
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if (m[1] === 'NOOP')
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self._doKeepaliveTimer();
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else
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self._doKeepaliveTimer(true);
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}
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self._processQueue();
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}
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});
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this._tmrConn = setTimeout(function() {
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var err = new Error('Timed out while connecting to server');
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err.source = 'timeout';
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self.emit('error', err);
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socket.destroy();
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}, config.connTimeout);
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socket.connect(config.port, config.host);
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};
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Connection.prototype.serverSupports = function(cap) {
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return (this._caps && this._caps.indexOf(cap) > -1);
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};
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Connection.prototype.destroy = function() {
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this._queue = [];
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this._curReq = undefined;
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this._sock && this._sock.destroy();
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};
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Connection.prototype.end = function() {
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var self = this;
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this._enqueue('LOGOUT', function() {
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self._queue = [];
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self._curReq = undefined;
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self._sock.end();
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});
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};
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Connection.prototype.append = function(data, options, cb) {
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var literal = this.serverSupports('LITERAL+');
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if (typeof options === 'function') {
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cb = options;
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options = undefined;
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}
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options = options || {};
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if (!options.mailbox) {
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if (!this._box)
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throw new Error('No mailbox specified or currently selected');
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else
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options.mailbox = this._box.name;
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}
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var cmd = 'APPEND "' + escape(utf7.encode(''+options.mailbox)) + '"';
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if (options.flags) {
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if (!Array.isArray(options.flags))
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options.flags = [options.flags];
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if (options.flags.length > 0) {
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for (var i = 0, len = options.flags.length; i < len; ++i) {
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if (options.flags[i][0] !== '\\')
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options.flags[i] = '\\' + options.flags[i];
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}
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cmd += ' (' + options.flags.join(' ') + ')';
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}
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}
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if (options.date) {
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if (!isDate(options.date))
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throw new Error('`date` is not a Date object');
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cmd += ' "';
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cmd += options.date.getDate();
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cmd += '-';
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cmd += MONTHS[options.date.getMonth()];
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cmd += '-';
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cmd += options.date.getFullYear();
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cmd += ' ';
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cmd += ('0' + options.date.getHours()).slice(-2);
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cmd += ':';
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cmd += ('0' + options.date.getMinutes()).slice(-2);
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cmd += ':';
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cmd += ('0' + options.date.getSeconds()).slice(-2);
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cmd += ((options.date.getTimezoneOffset() > 0) ? ' -' : ' +' );
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cmd += ('0' + (-options.date.getTimezoneOffset() / 60)).slice(-2);
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cmd += ('0' + (-options.date.getTimezoneOffset() % 60)).slice(-2);
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cmd += '"';
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}
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cmd += ' {';
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cmd += (Buffer.isBuffer(data) ? data.length : Buffer.byteLength(data));
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cmd += (literal ? '+' : '') + '}';
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this._enqueue(cmd, cb);
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if (literal)
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this._queue[this._queue.length - 1].literalAppendData = data;
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else
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this._queue[this._queue.length - 1].appendData = data;
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};
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Connection.prototype.getBoxes = function(namespace, cb) {
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if (typeof namespace === 'function') {
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cb = namespace;
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namespace = '';
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}
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namespace = escape(utf7.encode(''+namespace));
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this._enqueue('LIST "' + namespace + '" "*"', cb);
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};
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Connection.prototype.id = function(identification, cb) {
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if (!this.serverSupports('ID'))
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throw new Error('Server does not support ID');
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var cmd = 'ID';
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if ((identification === null) || (Object.keys(identification).length === 0))
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cmd += ' NIL';
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else {
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if (Object.keys(identification).length > 30)
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throw new Error('Max allowed number of keys is 30');
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var kv = [];
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for (var k in identification) {
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if (Buffer.byteLength(k) > 30)
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throw new Error('Max allowed key length is 30');
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if (Buffer.byteLength(identification[k]) > 1024)
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throw new Error('Max allowed value length is 1024');
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kv.push('"' + escape(k) + '"');
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kv.push('"' + escape(identification[k]) + '"');
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}
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cmd += ' (' + kv.join(' ') + ')';
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}
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this._enqueue(cmd, cb);
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};
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|
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Connection.prototype.openBox = function(name, readOnly, cb) {
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if (this.state !== 'authenticated')
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throw new Error('Not authenticated');
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|
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if (typeof readOnly === 'function') {
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cb = readOnly;
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readOnly = false;
|
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}
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name = ''+name;
|
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var encname = escape(utf7.encode(name)),
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cmd = (readOnly ? 'EXAMINE' : 'SELECT'),
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self = this;
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cmd += ' "' + encname + '"';
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|
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if (this.serverSupports('CONDSTORE'))
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cmd += ' (CONDSTORE)';
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|
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this._enqueue(cmd, function(err) {
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if (err) {
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self._box = undefined;
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cb(err);
|
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} else {
|
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self._box.name = name;
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cb(err, self._box);
|
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}
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});
|
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};
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|
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Connection.prototype.closeBox = function(shouldExpunge, cb) {
|
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if (this._box === undefined)
|
|
throw new Error('No mailbox is currently selected');
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|
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var self = this;
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|
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if (typeof shouldExpunge === 'function') {
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cb = shouldExpunge;
|
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shouldExpunge = true;
|
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}
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|
|
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if (shouldExpunge) {
|
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this._enqueue('CLOSE', function(err) {
|
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if (!err)
|
|
self._box = undefined;
|
|
|
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cb(err);
|
|
});
|
|
} else {
|
|
if (this.serverSupports('UNSELECT')) {
|
|
// use UNSELECT if available, as it claims to be "cleaner" than the
|
|
// alternative "hack"
|
|
this._enqueue('UNSELECT', function(err) {
|
|
if (!err)
|
|
self._box = undefined;
|
|
|
|
cb(err);
|
|
});
|
|
} else {
|
|
// "HACK": close the box without expunging by attempting to SELECT a
|
|
// non-existent mailbox
|
|
var badbox = 'NODEJSIMAPCLOSINGBOX' + Date.now();
|
|
this._enqueue('SELECT "' + badbox + '"', function(err) {
|
|
self._box = undefined;
|
|
cb();
|
|
});
|
|
}
|
|
}
|
|
};
|
|
|
|
Connection.prototype.addBox = function(name, cb) {
|
|
this._enqueue('CREATE "' + escape(utf7.encode(''+name)) + '"', cb);
|
|
};
|
|
|
|
Connection.prototype.delBox = function(name, cb) {
|
|
this._enqueue('DELETE "' + escape(utf7.encode(''+name)) + '"', cb);
|
|
};
|
|
|
|
Connection.prototype.renameBox = function(oldname, newname, cb) {
|
|
var encoldname = escape(utf7.encode(''+oldname)),
|
|
encnewname = escape(utf7.encode(''+newname)),
|
|
self = this;
|
|
|
|
this._enqueue('RENAME "' + encoldname + '" "' + encnewname + '"',
|
|
function(err) {
|
|
if (err)
|
|
return cb(err);
|
|
|
|
if (self._box
|
|
&& self._box.name === oldname
|
|
&& oldname.toUpperCase() !== 'INBOX') {
|
|
self._box.name = newname;
|
|
cb(err, self._box);
|
|
} else
|
|
cb();
|
|
}
|
|
);
|
|
};
|
|
|
|
Connection.prototype.subscribeBox = function(name, cb) {
|
|
this._enqueue('SUBSCRIBE "' + escape(utf7.encode(''+name)) + '"', cb);
|
|
};
|
|
|
|
Connection.prototype.unsubscribeBox = function(name, cb) {
|
|
this._enqueue('UNSUBSCRIBE "' + escape(utf7.encode(''+name)) + '"', cb);
|
|
};
|
|
|
|
Connection.prototype.getSubscribedBoxes = function(namespace, cb) {
|
|
if (typeof namespace === 'function') {
|
|
cb = namespace;
|
|
namespace = '';
|
|
}
|
|
|
|
namespace = escape(utf7.encode(''+namespace));
|
|
|
|
this._enqueue('LSUB "' + namespace + '" "*"', cb);
|
|
};
|
|
|
|
Connection.prototype.status = function(boxName, cb) {
|
|
if (this._box && this._box.name === boxName)
|
|
throw new Error('Cannot call status on currently selected mailbox');
|
|
|
|
boxName = escape(utf7.encode(''+boxName));
|
|
|
|
var info = [ 'MESSAGES', 'RECENT', 'UNSEEN', 'UIDVALIDITY', 'UIDNEXT' ];
|
|
|
|
if (this.serverSupports('CONDSTORE'))
|
|
info.push('HIGHESTMODSEQ');
|
|
|
|
info = info.join(' ');
|
|
|
|
this._enqueue('STATUS "' + boxName + '" (' + info + ')', cb);
|
|
};
|
|
|
|
Connection.prototype.expunge = function(uids, cb) {
|
|
if (typeof uids === 'function') {
|
|
cb = uids;
|
|
uids = undefined;
|
|
}
|
|
|
|
if (uids !== undefined) {
|
|
if (!Array.isArray(uids))
|
|
uids = [uids];
|
|
validateUIDList(uids);
|
|
|
|
if (uids.length === 0)
|
|
throw new Error('Empty uid list');
|
|
|
|
uids = uids.join(',');
|
|
|
|
if (!this.serverSupports('UIDPLUS'))
|
|
throw new Error('Server does not support this feature (UIDPLUS)');
|
|
|
|
this._enqueue('UID EXPUNGE ' + uids, cb);
|
|
} else
|
|
this._enqueue('EXPUNGE', cb);
|
|
};
|
|
|
|
Connection.prototype.search = function(criteria, cb) {
|
|
this._search('UID ', criteria, cb);
|
|
};
|
|
|
|
Connection.prototype._search = function(which, criteria, cb) {
|
|
if (this._box === undefined)
|
|
throw new Error('No mailbox is currently selected');
|
|
else if (!Array.isArray(criteria))
|
|
throw new Error('Expected array for search criteria');
|
|
|
|
var cmd = which + 'SEARCH',
|
|
info = { hasUTF8: false /*output*/ },
|
|
query = buildSearchQuery(criteria, this._caps, info),
|
|
lines;
|
|
if (info.hasUTF8) {
|
|
cmd += ' CHARSET UTF-8';
|
|
lines = query.split(CRLF);
|
|
query = lines.shift();
|
|
}
|
|
cmd += query;
|
|
this._enqueue(cmd, cb);
|
|
if (info.hasUTF8) {
|
|
var req = this._queue[this._queue.length - 1];
|
|
req.lines = lines;
|
|
}
|
|
};
|
|
|
|
Connection.prototype.addFlags = function(uids, flags, cb) {
|
|
this._store('UID ', uids, { mode: '+', flags: flags }, cb);
|
|
};
|
|
|
|
Connection.prototype.delFlags = function(uids, flags, cb) {
|
|
this._store('UID ', uids, { mode: '-', flags: flags }, cb);
|
|
};
|
|
|
|
Connection.prototype.setFlags = function(uids, flags, cb) {
|
|
this._store('UID ', uids, { mode: '', flags: flags }, cb);
|
|
};
|
|
|
|
Connection.prototype.addKeywords = function(uids, keywords, cb) {
|
|
this._store('UID ', uids, { mode: '+', keywords: keywords }, cb);
|
|
};
|
|
|
|
Connection.prototype.delKeywords = function(uids, keywords, cb) {
|
|
this._store('UID ', uids, { mode: '-', keywords: keywords }, cb);
|
|
};
|
|
|
|
Connection.prototype.setKeywords = function(uids, keywords, cb) {
|
|
this._store('UID ', uids, { mode: '', keywords: keywords }, cb);
|
|
};
|
|
|
|
Connection.prototype._store = function(which, uids, cfg, cb) {
|
|
var mode = cfg.mode,
|
|
isFlags = (cfg.flags !== undefined),
|
|
items = (isFlags ? cfg.flags : cfg.keywords);
|
|
if (this._box === undefined)
|
|
throw new Error('No mailbox is currently selected');
|
|
else if (uids === undefined)
|
|
throw new Error('No messages specified');
|
|
|
|
if (!Array.isArray(uids))
|
|
uids = [uids];
|
|
validateUIDList(uids);
|
|
|
|
if (uids.length === 0) {
|
|
throw new Error('Empty '
|
|
+ (which === '' ? 'sequence number' : 'uid')
|
|
+ 'list');
|
|
}
|
|
|
|
if ((!Array.isArray(items) && typeof items !== 'string')
|
|
|| (Array.isArray(items) && items.length === 0))
|
|
throw new Error((isFlags ? 'Flags' : 'Keywords')
|
|
+ ' argument must be a string or a non-empty Array');
|
|
if (!Array.isArray(items))
|
|
items = [items];
|
|
for (var i = 0, len = items.length; i < len; ++i) {
|
|
if (isFlags) {
|
|
if (items[i][0] !== '\\')
|
|
items[i] = '\\' + items[i];
|
|
} else {
|
|
// keyword contains any char except control characters (%x00-1F and %x7F)
|
|
// and: '(', ')', '{', ' ', '%', '*', '\', '"', ']'
|
|
if (RE_INVALID_KW_CHARS.test(items[i])) {
|
|
throw new Error('The keyword "' + items[i]
|
|
+ '" contains invalid characters');
|
|
}
|
|
}
|
|
}
|
|
|
|
items = items.join(' ');
|
|
uids = uids.join(',');
|
|
|
|
var modifiers = '';
|
|
if (cfg.modseq !== undefined && !this._box.nomodseq)
|
|
modifiers += 'UNCHANGEDSINCE ' + cfg.modseq + ' ';
|
|
|
|
this._enqueue(which + 'STORE ' + uids + ' '
|
|
+ modifiers
|
|
+ mode + 'FLAGS.SILENT (' + items + ')', cb);
|
|
};
|
|
|
|
Connection.prototype.copy = function(uids, boxTo, cb) {
|
|
this._copy('UID ', uids, boxTo, cb);
|
|
};
|
|
|
|
Connection.prototype._copy = function(which, uids, boxTo, cb) {
|
|
if (this._box === undefined)
|
|
throw new Error('No mailbox is currently selected');
|
|
|
|
if (!Array.isArray(uids))
|
|
uids = [uids];
|
|
validateUIDList(uids);
|
|
|
|
if (uids.length === 0) {
|
|
throw new Error('Empty '
|
|
+ (which === '' ? 'sequence number' : 'uid')
|
|
+ 'list');
|
|
}
|
|
|
|
boxTo = escape(utf7.encode(''+boxTo));
|
|
|
|
this._enqueue(which + 'COPY ' + uids.join(',') + ' "' + boxTo + '"', cb);
|
|
};
|
|
|
|
Connection.prototype.move = function(uids, boxTo, cb) {
|
|
this._move('UID ', uids, boxTo, cb);
|
|
};
|
|
|
|
Connection.prototype._move = function(which, uids, boxTo, cb) {
|
|
if (this._box === undefined)
|
|
throw new Error('No mailbox is currently selected');
|
|
|
|
if (this.serverSupports('MOVE')) {
|
|
if (!Array.isArray(uids))
|
|
uids = [uids];
|
|
validateUIDList(uids);
|
|
|
|
if (uids.length === 0) {
|
|
throw new Error('Empty '
|
|
+ (which === '' ? 'sequence number' : 'uid')
|
|
+ 'list');
|
|
}
|
|
|
|
uids = uids.join(',');
|
|
boxTo = escape(utf7.encode(''+boxTo));
|
|
|
|
this._enqueue(which + 'MOVE ' + uids + ' "' + boxTo + '"', cb);
|
|
} else if (this._box.permFlags.indexOf('\\Deleted') === -1
|
|
&& this._box.flags.indexOf('\\Deleted') === -1) {
|
|
throw new Error('Cannot move message: '
|
|
+ 'server does not allow deletion of messages');
|
|
} else {
|
|
var deletedUIDs, task = 0, self = this;
|
|
this._copy(which, uids, boxTo, function ccb(err, info) {
|
|
if (err)
|
|
return cb(err, info);
|
|
|
|
if (task === 0 && which && self.serverSupports('UIDPLUS')) {
|
|
// UIDPLUS gives us a 'UID EXPUNGE n' command to expunge a subset of
|
|
// messages with the \Deleted flag set. This allows us to skip some
|
|
// actions.
|
|
task = 2;
|
|
}
|
|
// Make sure we don't expunge any messages marked as Deleted except the
|
|
// one we are moving
|
|
if (task === 0) {
|
|
self.search(['DELETED'], function(e, result) {
|
|
++task;
|
|
deletedUIDs = result;
|
|
ccb(e, info);
|
|
});
|
|
} else if (task === 1) {
|
|
if (deletedUIDs.length) {
|
|
self.delFlags(deletedUIDs, '\\Deleted', function(e) {
|
|
++task;
|
|
ccb(e, info);
|
|
});
|
|
} else {
|
|
++task;
|
|
ccb(err, info);
|
|
}
|
|
} else if (task === 2) {
|
|
var cbMarkDel = function(e) {
|
|
++task;
|
|
ccb(e, info);
|
|
};
|
|
if (which)
|
|
self.addFlags(uids, '\\Deleted', cbMarkDel);
|
|
else
|
|
self.seq.addFlags(uids, '\\Deleted', cbMarkDel);
|
|
} else if (task === 3) {
|
|
if (which && self.serverSupports('UIDPLUS'))
|
|
self.expunge(uids, cb);
|
|
else {
|
|
self.expunge(function(e) {
|
|
++task;
|
|
ccb(e, info);
|
|
});
|
|
}
|
|
} else if (task === 4) {
|
|
if (deletedUIDs.length) {
|
|
self.addFlags(deletedUIDs, '\\Deleted', function(e) {
|
|
cb(e, info);
|
|
});
|
|
} else
|
|
cb(err, info);
|
|
}
|
|
});
|
|
}
|
|
};
|
|
|
|
Connection.prototype.fetch = function(uids, options) {
|
|
return this._fetch('UID ', uids, options);
|
|
};
|
|
|
|
Connection.prototype._fetch = function(which, uids, options) {
|
|
if (uids === undefined
|
|
|| uids === null
|
|
|| (Array.isArray(uids) && uids.length === 0))
|
|
throw new Error('Nothing to fetch');
|
|
|
|
if (!Array.isArray(uids))
|
|
uids = [uids];
|
|
validateUIDList(uids);
|
|
|
|
if (uids.length === 0) {
|
|
throw new Error('Empty '
|
|
+ (which === '' ? 'sequence number' : 'uid')
|
|
+ 'list');
|
|
}
|
|
|
|
uids = uids.join(',');
|
|
|
|
var cmd = which + 'FETCH ' + uids + ' (',
|
|
fetching = [],
|
|
i, len, key;
|
|
|
|
if (this.serverSupports('X-GM-EXT-1')) {
|
|
fetching.push('X-GM-THRID');
|
|
fetching.push('X-GM-MSGID');
|
|
fetching.push('X-GM-LABELS');
|
|
}
|
|
if (this.serverSupports('CONDSTORE') && !this._box.nomodseq)
|
|
fetching.push('MODSEQ');
|
|
|
|
fetching.push('UID');
|
|
fetching.push('FLAGS');
|
|
fetching.push('INTERNALDATE');
|
|
|
|
var modifiers;
|
|
|
|
if (options) {
|
|
modifiers = options.modifiers;
|
|
if (options.envelope)
|
|
fetching.push('ENVELOPE');
|
|
if (options.struct)
|
|
fetching.push('BODYSTRUCTURE');
|
|
if (options.size)
|
|
fetching.push('RFC822.SIZE');
|
|
cmd += fetching.join(' ');
|
|
if (options.bodies !== undefined) {
|
|
var bodies = options.bodies,
|
|
prefix = (options.markSeen ? '' : '.PEEK');
|
|
if (!Array.isArray(bodies))
|
|
bodies = [bodies];
|
|
for (i = 0, len = bodies.length; i < len; ++i) {
|
|
fetching.push(parseExpr(''+bodies[i]));
|
|
cmd += ' BODY' + prefix + '[' + bodies[i] + ']';
|
|
}
|
|
}
|
|
} else
|
|
cmd += fetching.join(' ');
|
|
|
|
cmd += ')';
|
|
|
|
var modkeys = (typeof modifiers === 'object' ? Object.keys(modifiers) : []),
|
|
modstr = ' (';
|
|
for (i = 0, len = modkeys.length, key; i < len; ++i) {
|
|
key = modkeys[i].toUpperCase();
|
|
if (key === 'CHANGEDSINCE' && this.serverSupports('CONDSTORE')
|
|
&& !this._box.nomodseq)
|
|
modstr += key + ' ' + modifiers[modkeys[i]] + ' ';
|
|
}
|
|
if (modstr.length > 2) {
|
|
cmd += modstr.substring(0, modstr.length - 1);
|
|
cmd += ')';
|
|
}
|
|
|
|
this._enqueue(cmd);
|
|
var req = this._queue[this._queue.length - 1];
|
|
req.fetchCache = {};
|
|
req.fetching = fetching;
|
|
return (req.bodyEmitter = new EventEmitter());
|
|
};
|
|
|
|
// Extension methods ===========================================================
|
|
Connection.prototype.setLabels = function(uids, labels, cb) {
|
|
this._storeLabels('UID ', uids, labels, '', cb);
|
|
};
|
|
|
|
Connection.prototype.addLabels = function(uids, labels, cb) {
|
|
this._storeLabels('UID ', uids, labels, '+', cb);
|
|
};
|
|
|
|
Connection.prototype.delLabels = function(uids, labels, cb) {
|
|
this._storeLabels('UID ', uids, labels, '-', cb);
|
|
};
|
|
|
|
Connection.prototype._storeLabels = function(which, uids, labels, mode, cb) {
|
|
if (!this.serverSupports('X-GM-EXT-1'))
|
|
throw new Error('Server must support X-GM-EXT-1 capability');
|
|
else if (this._box === undefined)
|
|
throw new Error('No mailbox is currently selected');
|
|
else if (uids === undefined)
|
|
throw new Error('No messages specified');
|
|
|
|
if (!Array.isArray(uids))
|
|
uids = [uids];
|
|
validateUIDList(uids);
|
|
|
|
if (uids.length === 0) {
|
|
throw new Error('Empty '
|
|
+ (which === '' ? 'sequence number' : 'uid')
|
|
+ 'list');
|
|
}
|
|
|
|
if ((!Array.isArray(labels) && typeof labels !== 'string')
|
|
|| (Array.isArray(labels) && labels.length === 0))
|
|
throw new Error('labels argument must be a string or a non-empty Array');
|
|
|
|
if (!Array.isArray(labels))
|
|
labels = [labels];
|
|
labels = labels.map(function(v) {
|
|
return '"' + escape(utf7.encode(''+v)) + '"';
|
|
}).join(' ');
|
|
|
|
uids = uids.join(',');
|
|
|
|
this._enqueue(which + 'STORE ' + uids + ' ' + mode
|
|
+ 'X-GM-LABELS.SILENT (' + labels + ')', cb);
|
|
};
|
|
|
|
Connection.prototype.sort = function(sorts, criteria, cb) {
|
|
this._sort('UID ', sorts, criteria, cb);
|
|
};
|
|
|
|
Connection.prototype._sort = function(which, sorts, criteria, cb) {
|
|
if (this._box === undefined)
|
|
throw new Error('No mailbox is currently selected');
|
|
else if (!Array.isArray(sorts) || !sorts.length)
|
|
throw new Error('Expected array with at least one sort criteria');
|
|
else if (!Array.isArray(criteria))
|
|
throw new Error('Expected array for search criteria');
|
|
else if (!this.serverSupports('SORT'))
|
|
throw new Error('Sort is not supported on the server');
|
|
|
|
sorts = sorts.map(function(c) {
|
|
if (typeof c !== 'string')
|
|
throw new Error('Unexpected sort criteria data type. '
|
|
+ 'Expected string. Got: ' + typeof criteria);
|
|
|
|
var modifier = '';
|
|
if (c[0] === '-') {
|
|
modifier = 'REVERSE ';
|
|
c = c.substring(1);
|
|
}
|
|
switch (c.toUpperCase()) {
|
|
case 'ARRIVAL':
|
|
case 'CC':
|
|
case 'DATE':
|
|
case 'FROM':
|
|
case 'SIZE':
|
|
case 'SUBJECT':
|
|
case 'TO':
|
|
break;
|
|
default:
|
|
throw new Error('Unexpected sort criteria: ' + c);
|
|
}
|
|
|
|
return modifier + c;
|
|
});
|
|
|
|
sorts = sorts.join(' ');
|
|
|
|
var info = { hasUTF8: false /*output*/ },
|
|
query = buildSearchQuery(criteria, this._caps, info),
|
|
charset = 'US-ASCII',
|
|
lines;
|
|
if (info.hasUTF8) {
|
|
charset = 'UTF-8';
|
|
lines = query.split(CRLF);
|
|
query = lines.shift();
|
|
}
|
|
|
|
this._enqueue(which + 'SORT (' + sorts + ') ' + charset + query, cb);
|
|
if (info.hasUTF8) {
|
|
var req = this._queue[this._queue.length - 1];
|
|
req.lines = lines;
|
|
}
|
|
};
|
|
|
|
Connection.prototype.esearch = function(criteria, options, cb) {
|
|
this._esearch('UID ', criteria, options, cb);
|
|
};
|
|
|
|
Connection.prototype._esearch = function(which, criteria, options, cb) {
|
|
if (this._box === undefined)
|
|
throw new Error('No mailbox is currently selected');
|
|
else if (!Array.isArray(criteria))
|
|
throw new Error('Expected array for search options');
|
|
|
|
var info = { hasUTF8: false /*output*/ },
|
|
query = buildSearchQuery(criteria, this._caps, info),
|
|
charset = '',
|
|
lines;
|
|
if (info.hasUTF8) {
|
|
charset = ' CHARSET UTF-8';
|
|
lines = query.split(CRLF);
|
|
query = lines.shift();
|
|
}
|
|
|
|
if (typeof options === 'function') {
|
|
cb = options;
|
|
options = '';
|
|
} else if (!options)
|
|
options = '';
|
|
|
|
if (Array.isArray(options))
|
|
options = options.join(' ');
|
|
|
|
this._enqueue(which + 'SEARCH RETURN (' + options + ')' + charset + query, cb);
|
|
if (info.hasUTF8) {
|
|
var req = this._queue[this._queue.length - 1];
|
|
req.lines = lines;
|
|
}
|
|
};
|
|
|
|
Connection.prototype.setQuota = function(quotaRoot, limits, cb) {
|
|
if (typeof limits === 'function') {
|
|
cb = limits;
|
|
limits = {};
|
|
}
|
|
|
|
var triplets = '';
|
|
for (var l in limits) {
|
|
if (triplets)
|
|
triplets += ' ';
|
|
triplets += l + ' ' + limits[l];
|
|
}
|
|
|
|
quotaRoot = escape(utf7.encode(''+quotaRoot));
|
|
|
|
this._enqueue('SETQUOTA "' + quotaRoot + '" (' + triplets + ')',
|
|
function(err, quotalist) {
|
|
if (err)
|
|
return cb(err);
|
|
|
|
cb(err, quotalist ? quotalist[0] : limits);
|
|
}
|
|
);
|
|
};
|
|
|
|
Connection.prototype.getQuota = function(quotaRoot, cb) {
|
|
quotaRoot = escape(utf7.encode(''+quotaRoot));
|
|
|
|
this._enqueue('GETQUOTA "' + quotaRoot + '"', function(err, quotalist) {
|
|
if (err)
|
|
return cb(err);
|
|
|
|
cb(err, quotalist[0]);
|
|
});
|
|
};
|
|
|
|
Connection.prototype.getQuotaRoot = function(boxName, cb) {
|
|
boxName = escape(utf7.encode(''+boxName));
|
|
|
|
this._enqueue('GETQUOTAROOT "' + boxName + '"', function(err, quotalist) {
|
|
if (err)
|
|
return cb(err);
|
|
|
|
var quotas = {};
|
|
if (quotalist) {
|
|
for (var i = 0, len = quotalist.length; i < len; ++i)
|
|
quotas[quotalist[i].root] = quotalist[i].resources;
|
|
}
|
|
|
|
cb(err, quotas);
|
|
});
|
|
};
|
|
|
|
Connection.prototype.thread = function(algorithm, criteria, cb) {
|
|
this._thread('UID ', algorithm, criteria, cb);
|
|
};
|
|
|
|
Connection.prototype._thread = function(which, algorithm, criteria, cb) {
|
|
algorithm = algorithm.toUpperCase();
|
|
|
|
if (!this.serverSupports('THREAD=' + algorithm))
|
|
throw new Error('Server does not support that threading algorithm');
|
|
|
|
var info = { hasUTF8: false /*output*/ },
|
|
query = buildSearchQuery(criteria, this._caps, info),
|
|
charset = 'US-ASCII',
|
|
lines;
|
|
if (info.hasUTF8) {
|
|
charset = 'UTF-8';
|
|
lines = query.split(CRLF);
|
|
query = lines.shift();
|
|
}
|
|
|
|
this._enqueue(which + 'THREAD ' + algorithm + ' ' + charset + query, cb);
|
|
if (info.hasUTF8) {
|
|
var req = this._queue[this._queue.length - 1];
|
|
req.lines = lines;
|
|
}
|
|
};
|
|
|
|
Connection.prototype.addFlagsSince = function(uids, flags, modseq, cb) {
|
|
this._store('UID ',
|
|
uids,
|
|
{ mode: '+', flags: flags, modseq: modseq },
|
|
cb);
|
|
};
|
|
|
|
Connection.prototype.delFlagsSince = function(uids, flags, modseq, cb) {
|
|
this._store('UID ',
|
|
uids,
|
|
{ mode: '-', flags: flags, modseq: modseq },
|
|
cb);
|
|
};
|
|
|
|
Connection.prototype.setFlagsSince = function(uids, flags, modseq, cb) {
|
|
this._store('UID ',
|
|
uids,
|
|
{ mode: '', flags: flags, modseq: modseq },
|
|
cb);
|
|
};
|
|
|
|
Connection.prototype.addKeywordsSince = function(uids, keywords, modseq, cb) {
|
|
this._store('UID ',
|
|
uids,
|
|
{ mode: '+', keywords: keywords, modseq: modseq },
|
|
cb);
|
|
};
|
|
|
|
Connection.prototype.delKeywordsSince = function(uids, keywords, modseq, cb) {
|
|
this._store('UID ',
|
|
uids,
|
|
{ mode: '-', keywords: keywords, modseq: modseq },
|
|
cb);
|
|
};
|
|
|
|
Connection.prototype.setKeywordsSince = function(uids, keywords, modseq, cb) {
|
|
this._store('UID ',
|
|
uids,
|
|
{ mode: '', keywords: keywords, modseq: modseq },
|
|
cb);
|
|
};
|
|
// END Extension methods =======================================================
|
|
|
|
// Namespace for seqno-based commands
|
|
Connection.prototype.__defineGetter__('seq', function() {
|
|
var self = this;
|
|
return {
|
|
delKeywords: function(seqnos, keywords, cb) {
|
|
self._store('', seqnos, { mode: '-', keywords: keywords }, cb);
|
|
},
|
|
addKeywords: function(seqnos, keywords, cb) {
|
|
self._store('', seqnos, { mode: '+', keywords: keywords }, cb);
|
|
},
|
|
setKeywords: function(seqnos, keywords, cb) {
|
|
self._store('', seqnos, { mode: '', keywords: keywords }, cb);
|
|
},
|
|
|
|
delFlags: function(seqnos, flags, cb) {
|
|
self._store('', seqnos, { mode: '-', flags: flags }, cb);
|
|
},
|
|
addFlags: function(seqnos, flags, cb) {
|
|
self._store('', seqnos, { mode: '+', flags: flags }, cb);
|
|
},
|
|
setFlags: function(seqnos, flags, cb) {
|
|
self._store('', seqnos, { mode: '', flags: flags }, cb);
|
|
},
|
|
|
|
move: function(seqnos, boxTo, cb) {
|
|
self._move('', seqnos, boxTo, cb);
|
|
},
|
|
copy: function(seqnos, boxTo, cb) {
|
|
self._copy('', seqnos, boxTo, cb);
|
|
},
|
|
fetch: function(seqnos, options) {
|
|
return self._fetch('', seqnos, options);
|
|
},
|
|
search: function(options, cb) {
|
|
self._search('', options, cb);
|
|
},
|
|
|
|
// Extensions ==============================================================
|
|
delLabels: function(seqnos, labels, cb) {
|
|
self._storeLabels('', seqnos, labels, '-', cb);
|
|
},
|
|
addLabels: function(seqnos, labels, cb) {
|
|
self._storeLabels('', seqnos, labels, '+', cb);
|
|
},
|
|
setLabels: function(seqnos, labels, cb) {
|
|
self._storeLabels('', seqnos, labels, '', cb);
|
|
},
|
|
|
|
esearch: function(criteria, options, cb) {
|
|
self._esearch('', criteria, options, cb);
|
|
},
|
|
|
|
sort: function(sorts, options, cb) {
|
|
self._sort('', sorts, options, cb);
|
|
},
|
|
thread: function(algorithm, criteria, cb) {
|
|
self._thread('', algorithm, criteria, cb);
|
|
},
|
|
|
|
delKeywordsSince: function(seqnos, keywords, modseq, cb) {
|
|
self._store('',
|
|
seqnos,
|
|
{ mode: '-', keywords: keywords, modseq: modseq },
|
|
cb);
|
|
},
|
|
addKeywordsSince: function(seqnos, keywords, modseq, cb) {
|
|
self._store('',
|
|
seqnos,
|
|
{ mode: '+', keywords: keywords, modseq: modseq },
|
|
cb);
|
|
},
|
|
setKeywordsSince: function(seqnos, keywords, modseq, cb) {
|
|
self._store('',
|
|
seqnos,
|
|
{ mode: '', keywords: keywords, modseq: modseq },
|
|
cb);
|
|
},
|
|
|
|
delFlagsSince: function(seqnos, flags, modseq, cb) {
|
|
self._store('',
|
|
seqnos,
|
|
{ mode: '-', flags: flags, modseq: modseq },
|
|
cb);
|
|
},
|
|
addFlagsSince: function(seqnos, flags, modseq, cb) {
|
|
self._store('',
|
|
seqnos,
|
|
{ mode: '+', flags: flags, modseq: modseq },
|
|
cb);
|
|
},
|
|
setFlagsSince: function(seqnos, flags, modseq, cb) {
|
|
self._store('',
|
|
seqnos,
|
|
{ mode: '', flags: flags, modseq: modseq },
|
|
cb);
|
|
}
|
|
};
|
|
});
|
|
|
|
Connection.prototype._resUntagged = function(info) {
|
|
var type = info.type, i, len, box, attrs, key;
|
|
|
|
if (type === 'bye')
|
|
this._sock.end();
|
|
else if (type === 'namespace')
|
|
this.namespaces = info.text;
|
|
else if (type === 'id')
|
|
this._curReq.cbargs.push(info.text);
|
|
else if (type === 'capability')
|
|
this._caps = info.text.map(function(v) { return v.toUpperCase(); });
|
|
else if (type === 'preauth')
|
|
this.state = 'authenticated';
|
|
else if (type === 'sort' || type === 'thread' || type === 'esearch')
|
|
this._curReq.cbargs.push(info.text);
|
|
else if (type === 'search') {
|
|
if (info.text.results !== undefined) {
|
|
// CONDSTORE-modified search results
|
|
this._curReq.cbargs.push(info.text.results);
|
|
this._curReq.cbargs.push(info.text.modseq);
|
|
} else
|
|
this._curReq.cbargs.push(info.text);
|
|
} else if (type === 'quota') {
|
|
var cbargs = this._curReq.cbargs;
|
|
if (!cbargs.length)
|
|
cbargs.push([]);
|
|
cbargs[0].push(info.text);
|
|
} else if (type === 'recent') {
|
|
if (!this._box && RE_OPENBOX.test(this._curReq.type))
|
|
this._createCurrentBox();
|
|
if (this._box)
|
|
this._box.messages.new = info.num;
|
|
} else if (type === 'flags') {
|
|
if (!this._box && RE_OPENBOX.test(this._curReq.type))
|
|
this._createCurrentBox();
|
|
if (this._box)
|
|
this._box.flags = info.text;
|
|
} else if (type === 'bad' || type === 'no') {
|
|
if (this.state === 'connected' && !this._curReq) {
|
|
clearTimeout(this._tmrConn);
|
|
clearTimeout(this._tmrAuth);
|
|
var err = new Error('Received negative welcome: ' + info.text);
|
|
err.source = 'protocol';
|
|
this.emit('error', err);
|
|
this._sock.end();
|
|
}
|
|
} else if (type === 'exists') {
|
|
if (!this._box && RE_OPENBOX.test(this._curReq.type))
|
|
this._createCurrentBox();
|
|
if (this._box) {
|
|
var prev = this._box.messages.total,
|
|
now = info.num;
|
|
this._box.messages.total = now;
|
|
if (now > prev && this.state === 'authenticated') {
|
|
this._box.messages.new = now - prev;
|
|
this.emit('mail', this._box.messages.new);
|
|
}
|
|
}
|
|
} else if (type === 'expunge') {
|
|
if (this._box) {
|
|
if (this._box.messages.total > 0)
|
|
--this._box.messages.total;
|
|
this.emit('expunge', info.num);
|
|
}
|
|
} else if (type === 'ok') {
|
|
if (this.state === 'connected' && !this._curReq)
|
|
this._login();
|
|
else if (typeof info.textCode === 'string'
|
|
&& info.textCode.toUpperCase() === 'ALERT')
|
|
this.emit('alert', info.text);
|
|
else if (this._curReq
|
|
&& info.textCode
|
|
&& (RE_OPENBOX.test(this._curReq.type))) {
|
|
// we're opening a mailbox
|
|
|
|
if (!this._box)
|
|
this._createCurrentBox();
|
|
|
|
if (info.textCode.key)
|
|
key = info.textCode.key.toUpperCase();
|
|
else
|
|
key = info.textCode;
|
|
|
|
if (key === 'UIDVALIDITY')
|
|
this._box.uidvalidity = info.textCode.val;
|
|
else if (key === 'UIDNEXT')
|
|
this._box.uidnext = info.textCode.val;
|
|
else if (key === 'HIGHESTMODSEQ')
|
|
this._box.highestmodseq = ''+info.textCode.val;
|
|
else if (key === 'PERMANENTFLAGS') {
|
|
var idx, permFlags, keywords;
|
|
this._box.permFlags = permFlags = info.textCode.val;
|
|
if ((idx = this._box.permFlags.indexOf('\\*')) > -1) {
|
|
this._box.newKeywords = true;
|
|
permFlags.splice(idx, 1);
|
|
}
|
|
this._box.keywords = keywords = permFlags.filter(function(f) {
|
|
return (f[0] !== '\\');
|
|
});
|
|
for (i = 0, len = keywords.length; i < len; ++i)
|
|
permFlags.splice(permFlags.indexOf(keywords[i]), 1);
|
|
} else if (key === 'UIDNOTSTICKY')
|
|
this._box.persistentUIDs = false;
|
|
else if (key === 'NOMODSEQ')
|
|
this._box.nomodseq = true;
|
|
} else if (typeof info.textCode === 'string'
|
|
&& info.textCode.toUpperCase() === 'UIDVALIDITY')
|
|
this.emit('uidvalidity', info.text);
|
|
} else if (type === 'list' || type === 'lsub') {
|
|
if (this.delimiter === undefined)
|
|
this.delimiter = info.text.delimiter;
|
|
else {
|
|
if (this._curReq.cbargs.length === 0)
|
|
this._curReq.cbargs.push({});
|
|
|
|
box = {
|
|
attribs: info.text.flags,
|
|
delimiter: info.text.delimiter,
|
|
children: null,
|
|
parent: null
|
|
};
|
|
|
|
for (i = 0, len = SPECIAL_USE_ATTRIBUTES.length; i < len; ++i)
|
|
if (box.attribs.indexOf(SPECIAL_USE_ATTRIBUTES[i]) > -1)
|
|
box.special_use_attrib = SPECIAL_USE_ATTRIBUTES[i];
|
|
|
|
var name = info.text.name,
|
|
curChildren = this._curReq.cbargs[0];
|
|
|
|
if (box.delimiter) {
|
|
var path = name.split(box.delimiter),
|
|
parent = null;
|
|
name = path.pop();
|
|
for (i = 0, len = path.length; i < len; ++i) {
|
|
if (!curChildren[path[i]])
|
|
curChildren[path[i]] = {};
|
|
if (!curChildren[path[i]].children)
|
|
curChildren[path[i]].children = {};
|
|
parent = curChildren[path[i]];
|
|
curChildren = curChildren[path[i]].children;
|
|
}
|
|
box.parent = parent;
|
|
}
|
|
if (curChildren[name])
|
|
box.children = curChildren[name].children;
|
|
curChildren[name] = box;
|
|
}
|
|
} else if (type === 'status') {
|
|
box = {
|
|
name: info.text.name,
|
|
uidnext: 0,
|
|
uidvalidity: 0,
|
|
messages: {
|
|
total: 0,
|
|
new: 0,
|
|
unseen: 0
|
|
}
|
|
};
|
|
attrs = info.text.attrs;
|
|
|
|
if (attrs) {
|
|
if (attrs.recent !== undefined)
|
|
box.messages.new = attrs.recent;
|
|
if (attrs.unseen !== undefined)
|
|
box.messages.unseen = attrs.unseen;
|
|
if (attrs.messages !== undefined)
|
|
box.messages.total = attrs.messages;
|
|
if (attrs.uidnext !== undefined)
|
|
box.uidnext = attrs.uidnext;
|
|
if (attrs.uidvalidity !== undefined)
|
|
box.uidvalidity = attrs.uidvalidity;
|
|
if (attrs.highestmodseq !== undefined) // CONDSTORE
|
|
box.highestmodseq = ''+attrs.highestmodseq;
|
|
}
|
|
this._curReq.cbargs.push(box);
|
|
} else if (type === 'fetch') {
|
|
if (/^(?:UID )?FETCH/.test(this._curReq.fullcmd)) {
|
|
// FETCH response sent as result of FETCH request
|
|
var msg = this._curReq.fetchCache[info.num],
|
|
keys = Object.keys(info.text),
|
|
keyslen = keys.length,
|
|
toget, msgEmitter, j;
|
|
|
|
if (msg === undefined) {
|
|
// simple case -- no bodies were streamed
|
|
toget = this._curReq.fetching.slice(0);
|
|
if (toget.length === 0)
|
|
return;
|
|
|
|
msgEmitter = new EventEmitter();
|
|
attrs = {};
|
|
|
|
this._curReq.bodyEmitter.emit('message', msgEmitter, info.num);
|
|
} else {
|
|
toget = msg.toget;
|
|
msgEmitter = msg.msgEmitter;
|
|
attrs = msg.attrs;
|
|
}
|
|
|
|
i = toget.length;
|
|
if (i === 0) {
|
|
if (msg && !msg.ended) {
|
|
msg.ended = true;
|
|
process.nextTick(function() {
|
|
msgEmitter.emit('end');
|
|
});
|
|
}
|
|
return;
|
|
}
|
|
|
|
if (keyslen > 0) {
|
|
while (--i >= 0) {
|
|
j = keyslen;
|
|
while (--j >= 0) {
|
|
if (keys[j].toUpperCase() === toget[i]) {
|
|
if (!RE_BODYPART.test(toget[i])) {
|
|
if (toget[i] === 'X-GM-LABELS') {
|
|
var labels = info.text[keys[j]];
|
|
for (var k = 0, lenk = labels.length; k < lenk; ++k)
|
|
labels[k] = (''+labels[k]).replace(RE_ESCAPE, '\\');
|
|
}
|
|
key = FETCH_ATTR_MAP[toget[i]];
|
|
if (!key)
|
|
key = toget[i].toLowerCase();
|
|
attrs[key] = info.text[keys[j]];
|
|
}
|
|
toget.splice(i, 1);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (toget.length === 0) {
|
|
if (msg)
|
|
msg.ended = true;
|
|
process.nextTick(function() {
|
|
msgEmitter.emit('attributes', attrs);
|
|
msgEmitter.emit('end');
|
|
});
|
|
} else if (msg === undefined) {
|
|
this._curReq.fetchCache[info.num] = {
|
|
msgEmitter: msgEmitter,
|
|
toget: toget,
|
|
attrs: attrs,
|
|
ended: false
|
|
};
|
|
}
|
|
} else {
|
|
// FETCH response sent as result of STORE request or sent unilaterally,
|
|
// treat them as the same for now for simplicity
|
|
this.emit('update', info.num, info.text);
|
|
}
|
|
}
|
|
};
|
|
|
|
Connection.prototype._resTagged = function(info) {
|
|
var req = this._curReq, err;
|
|
|
|
this._curReq = undefined;
|
|
|
|
if (info.type === 'no' || info.type === 'bad') {
|
|
var errtext;
|
|
if (info.text)
|
|
errtext = info.text;
|
|
else
|
|
errtext = req.oauthError;
|
|
err = new Error(errtext);
|
|
err.type = info.type;
|
|
err.textCode = info.textCode;
|
|
err.source = 'protocol';
|
|
} else if (this._box) {
|
|
if (req.type === 'EXAMINE' || req.type === 'SELECT') {
|
|
this._box.readOnly = (typeof info.textCode === 'string'
|
|
&& info.textCode.toUpperCase() === 'READ-ONLY');
|
|
}
|
|
|
|
// According to RFC 3501, UID commands do not give errors for
|
|
// non-existant user-supplied UIDs, so give the callback empty results
|
|
// if we unexpectedly received no untagged responses.
|
|
if (RE_UIDCMD_HASRESULTS.test(req.fullcmd) && req.cbargs.length === 0)
|
|
req.cbargs.push([]);
|
|
}
|
|
|
|
if (req.bodyEmitter) {
|
|
var bodyEmitter = req.bodyEmitter;
|
|
if (err)
|
|
bodyEmitter.emit('error', err);
|
|
process.nextTick(function() {
|
|
bodyEmitter.emit('end');
|
|
});
|
|
} else {
|
|
req.cbargs.unshift(err);
|
|
if (info.textCode && info.textCode.key) {
|
|
var key = info.textCode.key.toUpperCase();
|
|
if (key === 'APPENDUID') // [uidvalidity, newUID]
|
|
req.cbargs.push(info.textCode.val[1]);
|
|
else if (key === 'COPYUID') // [uidvalidity, sourceUIDs, destUIDs]
|
|
req.cbargs.push(info.textCode.val[2]);
|
|
}
|
|
req.cb && req.cb.apply(this, req.cbargs);
|
|
}
|
|
|
|
if (this._queue.length === 0
|
|
&& this._config.keepalive
|
|
&& this.state === 'authenticated'
|
|
&& !this._idle.enabled) {
|
|
this._idle.enabled = true;
|
|
this._doKeepaliveTimer(true);
|
|
}
|
|
|
|
this._processQueue();
|
|
};
|
|
|
|
Connection.prototype._createCurrentBox = function() {
|
|
this._box = {
|
|
name: '',
|
|
flags: [],
|
|
readOnly: false,
|
|
uidvalidity: 0,
|
|
uidnext: 0,
|
|
permFlags: [],
|
|
keywords: [],
|
|
newKeywords: false,
|
|
persistentUIDs: true,
|
|
nomodseq: false,
|
|
messages: {
|
|
total: 0,
|
|
new: 0
|
|
}
|
|
};
|
|
};
|
|
|
|
Connection.prototype._doKeepaliveTimer = function(immediate) {
|
|
var self = this,
|
|
timerfn = function() {
|
|
if (self._idle.enabled) {
|
|
// unlike NOOP, IDLE is only a valid command after authenticating
|
|
if (!self.serverSupports('IDLE') || self.state !== 'authenticated')
|
|
self._enqueue('NOOP', true);
|
|
else {
|
|
if (self._idle.started === undefined) {
|
|
self._idle.started = 0;
|
|
self._enqueue('IDLE', true);
|
|
} else if (self._idle.started > 0) {
|
|
var timeDiff = Date.now() - self._idle.started;
|
|
if (timeDiff >= MAX_IDLE_WAIT) {
|
|
self._idle.enabled = false;
|
|
self.debug && self.debug('=> DONE');
|
|
self._sock.write('DONE' + CRLF);
|
|
return;
|
|
}
|
|
}
|
|
self._tmrKeepalive = setTimeout(timerfn, KEEPALIVE_INTERVAL);
|
|
}
|
|
}
|
|
};
|
|
|
|
if (immediate)
|
|
timerfn();
|
|
else
|
|
this._tmrKeepalive = setTimeout(timerfn, KEEPALIVE_INTERVAL);
|
|
};
|
|
|
|
Connection.prototype._login = function() {
|
|
var self = this, checkedNS = false;
|
|
|
|
var reentry = function(err) {
|
|
clearTimeout(self._tmrAuth);
|
|
if (err) {
|
|
self.emit('error', err);
|
|
return self._sock.destroy();
|
|
}
|
|
|
|
// 2. Get the list of available namespaces (RFC2342)
|
|
if (!checkedNS && self.serverSupports('NAMESPACE')) {
|
|
checkedNS = true;
|
|
return self._enqueue('NAMESPACE', reentry);
|
|
}
|
|
|
|
// 3. Get the top-level mailbox hierarchy delimiter used by the server
|
|
self._enqueue('LIST "" ""', function() {
|
|
self.state = 'authenticated';
|
|
self.emit('ready');
|
|
});
|
|
};
|
|
|
|
// 1. Get the supported capabilities
|
|
self._enqueue('CAPABILITY', function() {
|
|
// No need to attempt the login sequence if we're on a PREAUTH connection.
|
|
if (self.state === 'connected') {
|
|
var err,
|
|
checkCaps = function(error) {
|
|
if (error) {
|
|
error.source = 'authentication';
|
|
return reentry(error);
|
|
}
|
|
|
|
if (self._caps === undefined) {
|
|
// Fetch server capabilities if they were not automatically
|
|
// provided after authentication
|
|
return self._enqueue('CAPABILITY', reentry);
|
|
} else
|
|
reentry();
|
|
};
|
|
|
|
if (self.serverSupports('STARTTLS')
|
|
&& (self._config.autotls === 'always'
|
|
|| (self._config.autotls === 'required'
|
|
&& self.serverSupports('LOGINDISABLED')))) {
|
|
self._starttls();
|
|
return;
|
|
}
|
|
|
|
if (self.serverSupports('LOGINDISABLED')) {
|
|
err = new Error('Logging in is disabled on this server');
|
|
err.source = 'authentication';
|
|
return reentry(err);
|
|
}
|
|
|
|
var cmd;
|
|
if (self.serverSupports('AUTH=XOAUTH') && self._config.xoauth) {
|
|
self._caps = undefined;
|
|
cmd = 'AUTHENTICATE XOAUTH';
|
|
// are there any servers that support XOAUTH/XOAUTH2 and not SASL-IR?
|
|
//if (self.serverSupports('SASL-IR'))
|
|
cmd += ' ' + escape(self._config.xoauth);
|
|
self._enqueue(cmd, checkCaps);
|
|
} else if (self.serverSupports('AUTH=XOAUTH2') && self._config.xoauth2) {
|
|
self._caps = undefined;
|
|
cmd = 'AUTHENTICATE XOAUTH2';
|
|
//if (self.serverSupports('SASL-IR'))
|
|
cmd += ' ' + escape(self._config.xoauth2);
|
|
self._enqueue(cmd, checkCaps);
|
|
} else if (self._config.user && self._config.password) {
|
|
self._caps = undefined;
|
|
self._enqueue('LOGIN "' + escape(self._config.user) + '" "'
|
|
+ escape(self._config.password) + '"', checkCaps);
|
|
} else {
|
|
err = new Error('No supported authentication method(s) available. '
|
|
+ 'Unable to login.');
|
|
err.source = 'authentication';
|
|
return reentry(err);
|
|
}
|
|
} else
|
|
reentry();
|
|
});
|
|
};
|
|
|
|
Connection.prototype._starttls = function() {
|
|
var self = this;
|
|
this._enqueue('STARTTLS', function(err) {
|
|
if (err) {
|
|
self.emit('error', err);
|
|
return self._sock.end();
|
|
}
|
|
|
|
self._caps = undefined;
|
|
self._sock.removeAllListeners('error');
|
|
|
|
var tlsOptions = {};
|
|
|
|
tlsOptions.host = this._config.host;
|
|
// Host name may be overridden the tlsOptions
|
|
for (var k in this._config.tlsOptions)
|
|
tlsOptions[k] = this._config.tlsOptions[k];
|
|
tlsOptions.socket = self._sock;
|
|
|
|
self._sock = tls.connect(tlsOptions, function() {
|
|
self._login();
|
|
});
|
|
|
|
self._sock.on('error', self._onError);
|
|
self._parser.setStream(self._sock);
|
|
});
|
|
};
|
|
|
|
Connection.prototype._processQueue = function() {
|
|
if (this._curReq || !this._queue.length || !this._sock || !this._sock.writable)
|
|
return;
|
|
|
|
this._curReq = this._queue.shift();
|
|
|
|
if (this._tagcount === MAX_INT)
|
|
this._tagcount = 0;
|
|
|
|
var prefix;
|
|
|
|
if (this._curReq.type === 'IDLE' || this._curReq.type === 'NOOP')
|
|
prefix = this._curReq.type;
|
|
else
|
|
prefix = 'A' + (this._tagcount++);
|
|
|
|
var out = prefix + ' ' + this._curReq.fullcmd;
|
|
this.debug && this.debug('=> ' + inspect(out));
|
|
this._sock.write(out + CRLF, 'utf8');
|
|
|
|
if (this._curReq.literalAppendData) {
|
|
// LITERAL+: we are appending a mesage, and not waiting for a reply
|
|
this._sockWriteAppendData(this._curReq.literalAppendData);
|
|
}
|
|
};
|
|
|
|
Connection.prototype._sockWriteAppendData = function(appendData)
|
|
{
|
|
var val = appendData;
|
|
if (Buffer.isBuffer(appendData))
|
|
val = val.toString('utf8');
|
|
|
|
this.debug && this.debug('=> ' + inspect(val));
|
|
this._sock.write(val);
|
|
this._sock.write(CRLF);
|
|
};
|
|
|
|
Connection.prototype._enqueue = function(fullcmd, promote, cb) {
|
|
if (typeof promote === 'function') {
|
|
cb = promote;
|
|
promote = false;
|
|
}
|
|
|
|
var info = {
|
|
type: fullcmd.match(RE_CMD)[1],
|
|
fullcmd: fullcmd,
|
|
cb: cb,
|
|
cbargs: []
|
|
},
|
|
self = this;
|
|
|
|
if (promote)
|
|
this._queue.unshift(info);
|
|
else
|
|
this._queue.push(info);
|
|
|
|
if (!this._curReq
|
|
&& this.state !== 'disconnected'
|
|
&& this.state !== 'upgrading') {
|
|
// defer until next tick for requests like APPEND and FETCH where access to
|
|
// the request object is needed immediately after enqueueing
|
|
process.nextTick(function() { self._processQueue(); });
|
|
} else if (this._curReq
|
|
&& this._curReq.type === 'IDLE'
|
|
&& this._sock
|
|
&& this._sock.writable
|
|
&& this._idle.enabled) {
|
|
this._idle.enabled = false;
|
|
clearTimeout(this._tmrKeepalive);
|
|
if (this._idle.started > 0) {
|
|
// we've seen the continuation for our IDLE
|
|
this.debug && this.debug('=> DONE');
|
|
this._sock.write('DONE' + CRLF);
|
|
}
|
|
}
|
|
};
|
|
|
|
Connection.parseHeader = parseHeader; // from Parser.js
|
|
|
|
module.exports = Connection;
|
|
|
|
// utilities -------------------------------------------------------------------
|
|
|
|
function escape(str) {
|
|
return str.replace(RE_BACKSLASH, '\\\\').replace(RE_DBLQUOTE, '\\"');
|
|
}
|
|
|
|
function validateUIDList(uids, noThrow) {
|
|
for (var i = 0, len = uids.length, intval; i < len; ++i) {
|
|
if (typeof uids[i] === 'string') {
|
|
if (uids[i] === '*' || uids[i] === '*:*') {
|
|
if (len > 1)
|
|
uids = ['*'];
|
|
break;
|
|
} else if (RE_NUM_RANGE.test(uids[i]))
|
|
continue;
|
|
}
|
|
intval = parseInt(''+uids[i], 10);
|
|
if (isNaN(intval)) {
|
|
var err = new Error('UID/seqno must be an integer, "*", or a range: '
|
|
+ uids[i]);
|
|
if (noThrow)
|
|
return err;
|
|
else
|
|
throw err;
|
|
} else if (typeof uids[i] !== 'number')
|
|
uids[i] = intval;
|
|
}
|
|
}
|
|
|
|
function hasNonASCII(str) {
|
|
for (var i = 0, len = str.length; i < len; ++i) {
|
|
if (str.charCodeAt(i) > 0x7F)
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
function buildString(str) {
|
|
if (typeof str !== 'string')
|
|
str = ''+str;
|
|
|
|
if (hasNonASCII(str)) {
|
|
var buf = new Buffer(str, 'utf8');
|
|
return '{' + buf.length + '}\r\n' + buf.toString('binary');
|
|
} else
|
|
return '"' + escape(str) + '"';
|
|
}
|
|
|
|
function buildSearchQuery(options, extensions, info, isOrChild) {
|
|
var searchargs = '', err, val;
|
|
for (var i = 0, len = options.length; i < len; ++i) {
|
|
var criteria = (isOrChild ? options : options[i]),
|
|
args = null,
|
|
modifier = (isOrChild ? '' : ' ');
|
|
if (typeof criteria === 'string')
|
|
criteria = criteria.toUpperCase();
|
|
else if (Array.isArray(criteria)) {
|
|
if (criteria.length > 1)
|
|
args = criteria.slice(1);
|
|
if (criteria.length > 0)
|
|
criteria = criteria[0].toUpperCase();
|
|
} else
|
|
throw new Error('Unexpected search option data type. '
|
|
+ 'Expected string or array. Got: ' + typeof criteria);
|
|
if (criteria === 'OR') {
|
|
if (args.length !== 2)
|
|
throw new Error('OR must have exactly two arguments');
|
|
if (isOrChild)
|
|
searchargs += 'OR (';
|
|
else
|
|
searchargs += ' OR (';
|
|
searchargs += buildSearchQuery(args[0], extensions, info, true);
|
|
searchargs += ') (';
|
|
searchargs += buildSearchQuery(args[1], extensions, info, true);
|
|
searchargs += ')';
|
|
} else {
|
|
if (criteria[0] === '!') {
|
|
modifier += 'NOT ';
|
|
criteria = criteria.substr(1);
|
|
}
|
|
switch(criteria) {
|
|
// -- Standard criteria --
|
|
case 'ALL':
|
|
case 'ANSWERED':
|
|
case 'DELETED':
|
|
case 'DRAFT':
|
|
case 'FLAGGED':
|
|
case 'NEW':
|
|
case 'SEEN':
|
|
case 'RECENT':
|
|
case 'OLD':
|
|
case 'UNANSWERED':
|
|
case 'UNDELETED':
|
|
case 'UNDRAFT':
|
|
case 'UNFLAGGED':
|
|
case 'UNSEEN':
|
|
searchargs += modifier + criteria;
|
|
break;
|
|
case 'BCC':
|
|
case 'BODY':
|
|
case 'CC':
|
|
case 'FROM':
|
|
case 'SUBJECT':
|
|
case 'TEXT':
|
|
case 'TO':
|
|
if (!args || args.length !== 1)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
val = buildString(args[0]);
|
|
if (info && val[0] === '{')
|
|
info.hasUTF8 = true;
|
|
searchargs += modifier + criteria + ' ' + val;
|
|
break;
|
|
case 'BEFORE':
|
|
case 'ON':
|
|
case 'SENTBEFORE':
|
|
case 'SENTON':
|
|
case 'SENTSINCE':
|
|
case 'SINCE':
|
|
if (!args || args.length !== 1)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
else if (!(args[0] instanceof Date)) {
|
|
if ((args[0] = new Date(args[0])).toString() === 'Invalid Date')
|
|
throw new Error('Search option argument must be a Date object'
|
|
+ ' or a parseable date string');
|
|
}
|
|
searchargs += modifier + criteria + ' ' + args[0].getDate() + '-'
|
|
+ MONTHS[args[0].getMonth()] + '-'
|
|
+ args[0].getFullYear();
|
|
break;
|
|
case 'KEYWORD':
|
|
case 'UNKEYWORD':
|
|
if (!args || args.length !== 1)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
searchargs += modifier + criteria + ' ' + args[0];
|
|
break;
|
|
case 'LARGER':
|
|
case 'SMALLER':
|
|
if (!args || args.length !== 1)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
var num = parseInt(args[0], 10);
|
|
if (isNaN(num))
|
|
throw new Error('Search option argument must be a number');
|
|
searchargs += modifier + criteria + ' ' + args[0];
|
|
break;
|
|
case 'HEADER':
|
|
if (!args || args.length !== 2)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
val = buildString(args[1]);
|
|
if (info && val[0] === '{')
|
|
info.hasUTF8 = true;
|
|
searchargs += modifier + criteria + ' "' + escape(''+args[0])
|
|
+ '" ' + val;
|
|
break;
|
|
case 'UID':
|
|
if (!args)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
validateUIDList(args);
|
|
if (args.length === 0)
|
|
throw new Error('Empty uid list');
|
|
searchargs += modifier + criteria + ' ' + args.join(',');
|
|
break;
|
|
// Extensions ==========================================================
|
|
case 'X-GM-MSGID': // Gmail unique message ID
|
|
case 'X-GM-THRID': // Gmail thread ID
|
|
if (extensions.indexOf('X-GM-EXT-1') === -1)
|
|
throw new Error('IMAP extension not available for: ' + criteria);
|
|
if (!args || args.length !== 1)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
else {
|
|
val = ''+args[0];
|
|
if (!(RE_INTEGER.test(args[0])))
|
|
throw new Error('Invalid value');
|
|
}
|
|
searchargs += modifier + criteria + ' ' + val;
|
|
break;
|
|
case 'X-GM-RAW': // Gmail search syntax
|
|
if (extensions.indexOf('X-GM-EXT-1') === -1)
|
|
throw new Error('IMAP extension not available for: ' + criteria);
|
|
if (!args || args.length !== 1)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
val = buildString(args[0]);
|
|
if (info && val[0] === '{')
|
|
info.hasUTF8 = true;
|
|
searchargs += modifier + criteria + ' ' + val;
|
|
break;
|
|
case 'X-GM-LABELS': // Gmail labels
|
|
if (extensions.indexOf('X-GM-EXT-1') === -1)
|
|
throw new Error('IMAP extension not available for: ' + criteria);
|
|
if (!args || args.length !== 1)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
searchargs += modifier + criteria + ' ' + args[0];
|
|
break;
|
|
case 'MODSEQ':
|
|
if (extensions.indexOf('CONDSTORE') === -1)
|
|
throw new Error('IMAP extension not available for: ' + criteria);
|
|
if (!args || args.length !== 1)
|
|
throw new Error('Incorrect number of arguments for search option: '
|
|
+ criteria);
|
|
searchargs += modifier + criteria + ' ' + args[0];
|
|
break;
|
|
default:
|
|
// last hope it's a seqno set
|
|
// http://tools.ietf.org/html/rfc3501#section-6.4.4
|
|
var seqnos = (args ? [criteria].concat(args) : [criteria]);
|
|
if (!validateUIDList(seqnos, true)) {
|
|
if (seqnos.length === 0)
|
|
throw new Error('Empty sequence number list');
|
|
searchargs += modifier + seqnos.join(',');
|
|
} else
|
|
throw new Error('Unexpected search option: ' + criteria);
|
|
}
|
|
}
|
|
if (isOrChild)
|
|
break;
|
|
}
|
|
return searchargs;
|
|
}
|
|
|
|
// Pulled from assert.deepEqual:
|
|
var pSlice = Array.prototype.slice;
|
|
function _deepEqual(actual, expected) {
|
|
// 7.1. All identical values are equivalent, as determined by ===.
|
|
if (actual === expected) {
|
|
return true;
|
|
|
|
} else if (Buffer.isBuffer(actual) && Buffer.isBuffer(expected)) {
|
|
if (actual.length !== expected.length) return false;
|
|
|
|
for (var i = 0; i < actual.length; i++) {
|
|
if (actual[i] !== expected[i]) return false;
|
|
}
|
|
|
|
return true;
|
|
|
|
// 7.2. If the expected value is a Date object, the actual value is
|
|
// equivalent if it is also a Date object that refers to the same time.
|
|
} else if (actual instanceof Date && expected instanceof Date) {
|
|
return actual.getTime() === expected.getTime();
|
|
|
|
// 7.3 If the expected value is a RegExp object, the actual value is
|
|
// equivalent if it is also a RegExp object with the same source and
|
|
// properties (`global`, `multiline`, `lastIndex`, `ignoreCase`).
|
|
} else if (actual instanceof RegExp && expected instanceof RegExp) {
|
|
return actual.source === expected.source &&
|
|
actual.global === expected.global &&
|
|
actual.multiline === expected.multiline &&
|
|
actual.lastIndex === expected.lastIndex &&
|
|
actual.ignoreCase === expected.ignoreCase;
|
|
|
|
// 7.4. Other pairs that do not both pass typeof value == 'object',
|
|
// equivalence is determined by ==.
|
|
} else if (typeof actual !== 'object' && typeof expected !== 'object') {
|
|
return actual == expected;
|
|
|
|
// 7.5 For all other Object pairs, including Array objects, equivalence is
|
|
// determined by having the same number of owned properties (as verified
|
|
// with Object.prototype.hasOwnProperty.call), the same set of keys
|
|
// (although not necessarily the same order), equivalent values for every
|
|
// corresponding key, and an identical 'prototype' property. Note: this
|
|
// accounts for both named and indexed properties on Arrays.
|
|
} else {
|
|
return objEquiv(actual, expected);
|
|
}
|
|
}
|
|
function isUndefinedOrNull(value) {
|
|
return value === null || value === undefined;
|
|
}
|
|
function isArguments(object) {
|
|
return Object.prototype.toString.call(object) === '[object Arguments]';
|
|
}
|
|
function objEquiv(a, b) {
|
|
var ka, kb, key, i;
|
|
if (isUndefinedOrNull(a) || isUndefinedOrNull(b))
|
|
return false;
|
|
// an identical 'prototype' property.
|
|
if (a.prototype !== b.prototype) return false;
|
|
//~~~I've managed to break Object.keys through screwy arguments passing.
|
|
// Converting to array solves the problem.
|
|
if (isArguments(a)) {
|
|
if (!isArguments(b)) {
|
|
return false;
|
|
}
|
|
a = pSlice.call(a);
|
|
b = pSlice.call(b);
|
|
return _deepEqual(a, b);
|
|
}
|
|
try {
|
|
ka = Object.keys(a);
|
|
kb = Object.keys(b);
|
|
} catch (e) {//happens when one is a string literal and the other isn't
|
|
return false;
|
|
}
|
|
// having the same number of owned properties (keys incorporates
|
|
// hasOwnProperty)
|
|
if (ka.length !== kb.length)
|
|
return false;
|
|
//the same set of keys (although not necessarily the same order),
|
|
ka.sort();
|
|
kb.sort();
|
|
//~~~cheap key test
|
|
for (i = ka.length - 1; i >= 0; i--) {
|
|
if (ka[i] != kb[i])
|
|
return false;
|
|
}
|
|
//equivalent values for every corresponding key, and
|
|
//~~~possibly expensive deep test
|
|
for (i = ka.length - 1; i >= 0; i--) {
|
|
key = ka[i];
|
|
if (!_deepEqual(a[key], b[key])) return false;
|
|
}
|
|
return true;
|
|
}
|