content/media/test/dynamic_resource.sjs@97036ab72558 (annotated)
content/media/test/dynamic_resource.sjs
Tue, 06 Jan 2015 21:39:09 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Tue, 06 Jan 2015 21:39:09 +0100
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
- permissions
- -rw-r--r--
Conditionally force memory storage according to privacy.thirdparty.isolate;
This solves Tor bug #9701, complying with disk avoidance documented in
https://www.torproject.org/projects/torbrowser/design/#disk-avoidance.
| michael@0 | 1 | function parseQuery(request, key) { |
| michael@0 | 2 | var params = request.queryString.split('&'); |
| michael@0 | 3 | for (var j = 0; j < params.length; ++j) { |
| michael@0 | 4 | var p = params[j]; |
| michael@0 | 5 | if (p == key) |
| michael@0 | 6 | return true; |
| michael@0 | 7 | if (p.indexOf(key + "=") == 0) |
| michael@0 | 8 | return p.substring(key.length + 1); |
| michael@0 | 9 | if (p.indexOf("=") < 0 && key == "") |
| michael@0 | 10 | return p; |
| michael@0 | 11 | } |
| michael@0 | 12 | return false; |
| michael@0 | 13 | } |
| michael@0 | 14 | |
| michael@0 | 15 | // Return resource1 file content for the first request with a given key. |
| michael@0 | 16 | // All subsequent requests return resource2. Both must be video/ogg. |
| michael@0 | 17 | function handleRequest(request, response) |
| michael@0 | 18 | { |
| michael@0 | 19 | var key = parseQuery(request, "key"); |
| michael@0 | 20 | var resource1 = parseQuery(request, "res1"); |
| michael@0 | 21 | var resource2 = parseQuery(request, "res2"); |
| michael@0 | 22 | |
| michael@0 | 23 | var resource = getState(key) == "2" ? resource2 : resource1; |
| michael@0 | 24 | setState(key, "2"); |
| michael@0 | 25 | |
| michael@0 | 26 | var file = Components.classes["@mozilla.org/file/directory_service;1"]. |
| michael@0 | 27 | getService(Components.interfaces.nsIProperties). |
| michael@0 | 28 | get("CurWorkD", Components.interfaces.nsILocalFile); |
| michael@0 | 29 | var fis = Components.classes['@mozilla.org/network/file-input-stream;1']. |
| michael@0 | 30 | createInstance(Components.interfaces.nsIFileInputStream); |
| michael@0 | 31 | var bis = Components.classes["@mozilla.org/binaryinputstream;1"]. |
| michael@0 | 32 | createInstance(Components.interfaces.nsIBinaryInputStream); |
| michael@0 | 33 | var paths = "tests/content/media/test/" + resource; |
| michael@0 | 34 | var split = paths.split("/"); |
| michael@0 | 35 | for(var i = 0; i < split.length; ++i) { |
| michael@0 | 36 | file.append(split[i]); |
| michael@0 | 37 | } |
| michael@0 | 38 | fis.init(file, -1, -1, false); |
| michael@0 | 39 | dump("file=" + file + "\n"); |
| michael@0 | 40 | bis.setInputStream(fis); |
| michael@0 | 41 | var bytes = bis.readBytes(bis.available()); |
| michael@0 | 42 | response.setStatusLine(request.httpVersion, 206, "Partial Content"); |
| michael@0 | 43 | response.setHeader("Content-Range", "bytes 0-" + (bytes.length - 1) + "/" + bytes.length); |
| michael@0 | 44 | response.setHeader("Content-Length", ""+bytes.length, false); |
| michael@0 | 45 | response.setHeader("Content-Type", "video/ogg", false); |
| michael@0 | 46 | response.write(bytes, bytes.length); |
| michael@0 | 47 | bis.close(); |
| michael@0 | 48 | } |
