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phorge-phorge/support/aphlict/server/lib/AphlictFlashPolicyServer.js
Joshua Spence ab4324148a Make the Aphlict server more resilient.
Summary:
Currently, the Aphlict server will crash if invalid JSON data is `POST`ed to it. I have fixed this to, instead, return a 400. Also made some minor formatting changes.

Ref T4324. Ref T5284. Also, modify the data structure that is passed around (i.e. `POST`ed to the Aphlict server and broadcast to the Aphlict clients) to include the subscribers. Initially, I figured that we shouldn't expose this information to the clients... however, it is necessary for T4324 that the `AphlictMaster` is able to route a notification to the appropriate clients.

Test Plan:
Making the following `curl` request: `curl --data "{" http://localhost:22281/`.

**Before**
```
sudo ./bin/aphlict debug
Starting Aphlict server in foreground...
Launching server:

    $ 'nodejs' '/usr/src/phabricator/src/applications/aphlict/management/../../../../support/aphlict/server/aphlict_server.js' --port='22280' --admin='22281' --host='localhost' --user='aphlict'

[Wed Jun 11 2014 17:07:51 GMT+0000 (UTC)] Started Server (PID 2033)
[Wed Jun 11 2014 17:07:55 GMT+0000 (UTC)]
<<< UNCAUGHT EXCEPTION! >>>

SyntaxError: Unexpected end of input
>>> Server exited!
```

**After**
(No output... the bad JSON is caught and a 400 is returned)

Reviewers: #blessed_reviewers, epriestley

Reviewed By: #blessed_reviewers, epriestley

Subscribers: epriestley, Korvin

Maniphest Tasks: T4324, T5284

Differential Revision: https://secure.phabricator.com/D9480
2014-06-11 10:17:12 -07:00

68 lines
1.6 KiB
JavaScript

var JX = require('javelin').JX;
var net = require('net');
/**
* Server which handles cross-domain policy requests for Flash.
*
* var server = new AphlictFlashPolicyServer()
* .setAccessPort(9999)
* .start();
*/
JX.install('AphlictFlashPolicyServer', {
members: {
_server: null,
_port: 843,
_accessPort: null,
_debug: null,
setDebugLog: function(log) {
this._debug = log;
return this;
},
setAccessPort: function(port) {
this._accessPort = port;
return this;
},
start: function() {
this._server = net.createServer(JX.bind(this, this._didConnect));
this._server.listen(this._port);
return this;
},
_didConnect: function(socket) {
this._log('<FlashPolicy> Policy Request From %s', socket.remoteAddress);
socket.on('error', JX.bind(this, this._didSocketError, socket));
socket.write(this._getFlashPolicyResponse());
socket.end();
},
_didSocketError: function(socket, error) {
this._log('<FlashPolicy> Socket Error: %s', error);
},
_log: function(pattern) {
this._debug && this._debug.log.apply(this._debug, arguments);
},
_getFlashPolicyResponse: function() {
var policy = [
'<?xml version="1.0"?>',
'<!DOCTYPE cross-domain-policy SYSTEM ' +
'"http://www.macromedia.com/xml/dtds/cross-domain-policy.dtd">',
'<cross-domain-policy>',
'<allow-access-from domain="*" to-ports="' + this._accessPort + '"/>',
'</cross-domain-policy>'
];
return policy.join("\n") + "\0";
}
}
});