michael@0: const BinaryOutputStream =
michael@0:   Components.Constructor("@mozilla.org/binaryoutputstream;1",
michael@0:                          "nsIBinaryOutputStream",
michael@0:                          "setOutputStream");
michael@0: 
michael@0: // this is simply a hex dump of a red square .PNG image
michael@0: const RED_SQUARE =
michael@0:   [
michael@0:     0x89,  0x50,  0x4E,  0x47,  0x0D,  0x0A,  0x1A,  0x0A,  0x00,  0x00,
michael@0:     0x00,  0x0D,  0x49,  0x48,  0x44,  0x52,  0x00,  0x00,  0x00,  0x20,
michael@0:     0x00,  0x00,  0x00,  0x20,  0x08,  0x02,  0x00,  0x00,  0x00,  0xFC,
michael@0:     0x18,  0xED,  0xA3,  0x00,  0x00,  0x00,  0x01,  0x73,  0x52,  0x47,
michael@0:     0x42,  0x00,  0xAE,  0xCE,  0x1C,  0xE9,  0x00,  0x00,  0x00,  0x28,
michael@0:     0x49,  0x44,  0x41,  0x54,  0x48,  0xC7,  0xED,  0xCD,  0x41,  0x0D,
michael@0:     0x00,  0x00,  0x08,  0x04,  0xA0,  0xD3,  0xFE,  0x9D,  0x35,  0x85,
michael@0:     0x0F,  0x37,  0x28,  0x40,  0x4D,  0x6E,  0x75,  0x04,  0x02,  0x81,
michael@0:     0x40,  0x20,  0x10,  0x08,  0x04,  0x02,  0xC1,  0x93,  0x60,  0x01,
michael@0:     0xA3,  0xC4,  0x01,  0x3F,  0x58,  0x1D,  0xEF,  0x27,  0x00,  0x00,
michael@0:     0x00,  0x00,  0x49,  0x45,  0x4E,  0x44,  0xAE,  0x42,  0x60,  0x82
michael@0:   ];
michael@0: 
michael@0: function handleRequest(request, response)
michael@0: {
michael@0:   var query = {};
michael@0:   request.queryString.split('&').forEach(function (val) {
michael@0:     var [name, value] = val.split('=');
michael@0:     query[name] = unescape(value);
michael@0:   });
michael@0: 
michael@0:   response.setHeader("Cache-Control", "no-cache");
michael@0: 
michael@0:   response.setStatusLine(request.httpVersion, 200, "OK");
michael@0:   response.setHeader("Content-Type", "text/plain", false);
michael@0: 
michael@0:   var log = getState("bug-879963-request-log") || "";
michael@0: 
michael@0:   var stream = new BinaryOutputStream(response.bodyOutputStream);
michael@0: 
michael@0:   if (query["q"] == "init") {
michael@0:     log = "init"; // initialize the log, and return a PNG image
michael@0:     response.setHeader("Content-Type", "image/png", false);
michael@0:     stream.writeByteArray(RED_SQUARE, RED_SQUARE.length);
michael@0:   } else if (query["q"] == "image") {
michael@0:     log = log + ";" + query["q"];
michael@0:     response.setHeader("Content-Type", "image/png", false);
michael@0:     stream.writeByteArray(RED_SQUARE, RED_SQUARE.length);
michael@0:   } else if (query["q"] == "font") {
michael@0:     log = log + ";" + query["q"];
michael@0:     // we don't provide a real font; that's ok, OTS will just reject it
michael@0:     response.write("Junk");
michael@0:   } else if (query["q"] == "report") {
michael@0:     // don't include the actual "report" request in the log we return
michael@0:     response.write(log);
michael@0:   } else {
michael@0:     log = log + ";" + query["q"];
michael@0:     response.setStatusLine(request.httpVersion, 404, "Not Found");
michael@0:   }
michael@0: 
michael@0:   setState("bug-879963-request-log", log);
michael@0: }