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'use strict';
require('internal/util').assertCrypto();
const tls = require('tls');
const url = require('url');
const http = require('http');
const util = require('util');
const inherits = util.inherits;
const debug = util.debuglog('https');
const urlToOptions = require('internal/url').urlToOptions;
function Server(opts, requestListener) {
if (!(this instanceof Server)) return new Server(opts, requestListener);
if (process.features.tls_npn && !opts.NPNProtocols) {
opts.NPNProtocols = ['http/1.1', 'http/1.0'];
}
if (process.features.tls_alpn && !opts.ALPNProtocols) {
// http/1.0 is not defined as Protocol IDs in IANA
// http://www.iana.org/assignments/tls-extensiontype-values
// /tls-extensiontype-values.xhtml#alpn-protocol-ids
opts.ALPNProtocols = ['http/1.1'];
}
tls.Server.call(this, opts, http._connectionListener);
this.httpAllowHalfOpen = false;
if (requestListener) {
this.addListener('request', requestListener);
}
this.addListener('tlsClientError', function addListener(err, conn) {
if (!this.emit('clientError', err, conn))
conn.destroy(err);
});
this.timeout = 2 * 60 * 1000;
}
inherits(Server, tls.Server);
exports.Server = Server;
Server.prototype.setTimeout = http.Server.prototype.setTimeout;
exports.createServer = function createServer(opts, requestListener) {
return new Server(opts, requestListener);
};
// HTTPS agents.
function createConnection(port, host, options) {
if (port !== null && typeof port === 'object') {
options = port;
} else if (host !== null && typeof host === 'object') {
options = host;
} else if (options === null || typeof options !== 'object') {
options = {};
}
if (typeof port === 'number') {
options.port = port;
}
if (typeof host === 'string') {
options.host = host;
}
debug('createConnection', options);
if (options._agentKey) {
const session = this._getSession(options._agentKey);
if (session) {
debug('reuse session for %j', options._agentKey);
options = util._extend({
session: session
}, options);
}
}
const socket = tls.connect(options, () => {
if (!options._agentKey)
return;
this._cacheSession(options._agentKey, socket.getSession());
});
// Evict session on error
socket.once('close', (err) => {
if (err)
this._evictSession(options._agentKey);
});
return socket;
}
function Agent(options) {
http.Agent.call(this, options);
this.defaultPort = 443;
this.protocol = 'https:';
this.maxCachedSessions = this.options.maxCachedSessions;
if (this.maxCachedSessions === undefined)
this.maxCachedSessions = 100;
this._sessionCache = {
map: {},
list: []
};
}
inherits(Agent, http.Agent);
Agent.prototype.createConnection = createConnection;
Agent.prototype.getName = function getName(options) {
var name = http.Agent.prototype.getName.call(this, options);
name += ':';
if (options.ca)
name += options.ca;
name += ':';
if (options.cert)
name += options.cert;
name += ':';
if (options.ciphers)
name += options.ciphers;
name += ':';
if (options.key)
name += options.key;
name += ':';
if (options.pfx)
name += options.pfx;
name += ':';
if (options.rejectUnauthorized !== undefined)
name += options.rejectUnauthorized;
name += ':';
if (options.servername && options.servername !== options.host)
name += options.servername;
name += ':';
if (options.secureProtocol)
name += options.secureProtocol;
return name;
};
Agent.prototype._getSession = function _getSession(key) {
return this._sessionCache.map[key];
};
Agent.prototype._cacheSession = function _cacheSession(key, session) {
// Cache is disabled
if (this.maxCachedSessions === 0)
return;
// Fast case - update existing entry
if (this._sessionCache.map[key]) {
this._sessionCache.map[key] = session;
return;
}
// Put new entry
if (this._sessionCache.list.length >= this.maxCachedSessions) {
const oldKey = this._sessionCache.list.shift();
debug('evicting %j', oldKey);
delete this._sessionCache.map[oldKey];
}
this._sessionCache.list.push(key);
this._sessionCache.map[key] = session;
};
Agent.prototype._evictSession = function _evictSession(key) {
const index = this._sessionCache.list.indexOf(key);
if (index === -1)
return;
this._sessionCache.list.splice(index, 1);
delete this._sessionCache.map[key];
};
const globalAgent = new Agent();
exports.globalAgent = globalAgent;
exports.Agent = Agent;
exports.request = function request(options, cb) {
if (typeof options === 'string') {
options = url.parse(options);
if (!options.hostname) {
throw new Error('Unable to determine the domain name');
}
} else if (options instanceof url.URL) {
options = urlToOptions(options);
} else {
options = util._extend({}, options);
}
options._defaultAgent = globalAgent;
return http.request(options, cb);
};
exports.get = function get(options, cb) {
var req = exports.request(options, cb);
req.end();
return req;
};
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