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// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.
'use strict';
require('internal/util').assertCrypto();
const tls = require('tls');
const url = require('url');
const util = require('util');
const { Agent: HttpAgent } = require('_http_agent');
const {
Server: HttpServer,
_connectionListener,
kServerResponse
} = require('_http_server');
const { ClientRequest } = require('_http_client');
const { inherits } = util;
const debug = util.debuglog('https');
const { urlToOptions, searchParamsSymbol } = require('internal/url');
const { ERR_INVALID_DOMAIN_NAME } = require('internal/errors').codes;
const { IncomingMessage, ServerResponse } = require('http');
const { kIncomingMessage } = require('_http_common');
function Server(opts, requestListener) {
if (!(this instanceof Server)) return new Server(opts, requestListener);
if (typeof opts === 'function') {
requestListener = opts;
opts = undefined;
}
opts = util._extend({}, opts);
if (!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'];
}
this[kIncomingMessage] = opts.IncomingMessage || IncomingMessage;
this[kServerResponse] = opts.ServerResponse || ServerResponse;
tls.Server.call(this, opts, _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;
this.keepAliveTimeout = 5000;
this.maxHeadersCount = null;
this.headersTimeout = 40 * 1000; // 40 seconds
}
inherits(Server, tls.Server);
Server.prototype.setTimeout = HttpServer.prototype.setTimeout;
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) {
if (!(this instanceof Agent))
return new Agent(options);
HttpAgent.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, HttpAgent);
Agent.prototype.createConnection = createConnection;
Agent.prototype.getName = function getName(options) {
var name = HttpAgent.prototype.getName.call(this, options);
name += ':';
if (options.ca)
name += options.ca;
name += ':';
if (options.cert)
name += options.cert;
name += ':';
if (options.clientCertEngine)
name += options.clientCertEngine;
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.minVersion)
name += options.minVersion;
name += ':';
if (options.maxVersion)
name += options.maxVersion;
name += ':';
if (options.secureProtocol)
name += options.secureProtocol;
name += ':';
if (options.crl)
name += options.crl;
name += ':';
if (options.honorCipherOrder !== undefined)
name += options.honorCipherOrder;
name += ':';
if (options.ecdhCurve)
name += options.ecdhCurve;
name += ':';
if (options.dhparam)
name += options.dhparam;
name += ':';
if (options.secureOptions !== undefined)
name += options.secureOptions;
name += ':';
if (options.sessionIdContext)
name += options.sessionIdContext;
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();
function request(...args) {
let options = {};
if (typeof args[0] === 'string') {
const urlStr = args.shift();
options = url.parse(urlStr);
if (!options.hostname) {
throw new ERR_INVALID_DOMAIN_NAME();
}
} else if (args[0] && args[0][searchParamsSymbol] &&
args[0][searchParamsSymbol][searchParamsSymbol]) {
// url.URL instance
options = urlToOptions(args.shift());
}
if (args[0] && typeof args[0] !== 'function') {
options = util._extend(options, args.shift());
}
options._defaultAgent = module.exports.globalAgent;
args.unshift(options);
return new ClientRequest(...args);
}
function get(input, options, cb) {
const req = request(input, options, cb);
req.end();
return req;
}
module.exports = {
Agent,
globalAgent,
Server,
createServer,
get,
request
};