1// Parse the query string, and give us the value for a certain key, or false if
2// it does not exist.
3function parseQuery(request, key) {
4  var params = request.queryString.split('?')[0].split('&');
5  for (var j = 0; j < params.length; ++j) {
6    var p = params[j];
7    if (p == key)
8      return true;
9    if (p.indexOf(key + "=") == 0)
10      return p.substring(key.length + 1);
11    if (p.indexOf("=") < 0 && key == "")
12      return p;
13  }
14  return false;
15}
16
17function handleRequest(request, response) {
18  try {
19    // Get the filename to send back.
20    var filename = parseQuery(request, "file");
21
22    const CC = Components.Constructor;
23    const BinaryOutputStream = CC("@mozilla.org/binaryoutputstream;1",
24                                  "nsIBinaryOutputStream",
25                                  "setOutputStream");
26    var file = Components.classes["@mozilla.org/file/directory_service;1"].
27      getService(Components.interfaces.nsIProperties).
28      get("CurWorkD", Components.interfaces.nsIFile);
29    var fis  = Components.classes['@mozilla.org/network/file-input-stream;1'].
30      createInstance(Components.interfaces.nsIFileInputStream);
31    var bis  = Components.classes["@mozilla.org/binaryinputstream;1"].
32      createInstance(Components.interfaces.nsIBinaryInputStream);
33    var paths = "tests/dom/media/test/" + filename;
34    dump(paths + '\n');
35    var split = paths.split("/");
36    for(var i = 0; i < split.length; ++i) {
37      file.append(split[i]);
38    }
39    fis.init(file, -1, -1, false);
40
41    // handle range requests
42    var partialstart = 0,
43        partialend = file.fileSize - 1;
44    if (request.hasHeader("Range")) {
45      var range = request.getHeader("Range");
46      var parts = range.replace(/bytes=/, "").split("-");
47      var partialstart = parts[0];
48      var partialend = parts[1];
49      if (!partialend.length) {
50        partialend = file.fileSize - 1;
51      }
52      response.setStatusLine(request.httpVersion, 206, "Partial Content");
53      var contentRange = "bytes " + partialstart + "-" + partialend + "/" + file.fileSize;
54      response.setHeader("Content-Range", contentRange);
55    }
56
57    fis.seek(Components.interfaces.nsISeekableStream.NS_SEEK_SET, partialstart);
58    bis.setInputStream(fis);
59
60    var sendContentType = parseQuery(request, "nomime");
61    if (sendContentType == false) {
62      var contentType = parseQuery(request, "type");
63      if (contentType == false) {
64        // This should not happen.
65        dump("No type specified without having \'nomime\' in parameters.");
66        return;
67      }
68      response.setHeader("Content-Type", contentType, false);
69    }
70    response.setHeader("Content-Length", ""+bis.available(), false);
71
72    var bytes = bis.readBytes(bis.available());
73    response.write(bytes, bytes.length);
74  } catch (e) {
75    dump ("ERROR : " + e + "\n");
76  }
77}
78