michael@0: const BinaryOutputStream = Components.Constructor("@mozilla.org/binaryoutputstream;1", "nsIBinaryOutputStream", "setOutputStream");
michael@0: 
michael@0: function isCatchall(v)
michael@0: {
michael@0:   // "image/*" item exactly or with a quality factor
michael@0:   return /^image\/\*(?:|;q=(?:1(?:\.0{0,3})?|0(?:\.\d{0,3})?))$/.test(v);
michael@0: }
michael@0: 
michael@0: /*
michael@0: # Python used to generate the following byte array
michael@0: def toHex(n):
michael@0:   if n < 16: return "0x" + hex(n)[2:].upper()
michael@0:   return "0x" + hex(n)[2:].upper()
michael@0: 
michael@0: def hexFile(name):
michael@0:   f = open(name, "rb")
michael@0:   try:
michael@0:     while True:
michael@0:       print toHex(ord(f.read(1))) + ", ",
michael@0:   except:
michael@0:     pass
michael@0: 
michael@0: hexFile("image/test/reftest/generic/green.png")
michael@0: */
michael@0: 
michael@0: const IMAGE_DATA =
michael@0:   [
michael@0:    0x89,  0x50,  0x4E,  0x47,  0x0D,  0x0A,  0x1A,  0x0A,  0x00,  0x00,  0x00,
michael@0:    0x0D,  0x49,  0x48,  0x44,  0x52,  0x00,  0x00,  0x00,  0x64,  0x00,  0x00,
michael@0:    0x00,  0x64,  0x08,  0x02,  0x00,  0x00,  0x00,  0xFF,  0x80,  0x02,  0x03,
michael@0:    0x00,  0x00,  0x00,  0x01,  0x73,  0x52,  0x47,  0x42,  0x00,  0xAE,  0xCE,
michael@0:    0x1C,  0xE9,  0x00,  0x00,  0x00,  0x9E,  0x49,  0x44,  0x41,  0x54,  0x78,
michael@0:    0xDA,  0xED,  0xD0,  0x31,  0x01,  0x00,  0x00,  0x08,  0x03,  0xA0,  0x69,
michael@0:    0xFF,  0xCE,  0x5A,  0xC1,  0xCF,  0x07,  0x22,  0x50,  0x99,  0x70,  0xD4,
michael@0:    0x0A,  0x64,  0xC9,  0x92,  0x25,  0x4B,  0x96,  0x2C,  0x05,  0xB2,  0x64,
michael@0:    0xC9,  0x92,  0x25,  0x4B,  0x96,  0x02,  0x59,  0xB2,  0x64,  0xC9,  0x92,
michael@0:    0x25,  0x4B,  0x81,  0x2C,  0x59,  0xB2,  0x64,  0xC9,  0x92,  0xA5,  0x40,
michael@0:    0x96,  0x2C,  0x59,  0xB2,  0x64,  0xC9,  0x52,  0x20,  0x4B,  0x96,  0x2C,
michael@0:    0x59,  0xB2,  0x64,  0x29,  0x90,  0x25,  0x4B,  0x96,  0x2C,  0x59,  0xB2,
michael@0:    0x14,  0xC8,  0x92,  0x25,  0x4B,  0x96,  0x2C,  0x59,  0x0A,  0x64,  0xC9,
michael@0:    0x92,  0x25,  0x4B,  0x96,  0x2C,  0x05,  0xB2,  0x64,  0xC9,  0x92,  0x25,
michael@0:    0x4B,  0x96,  0x02,  0x59,  0xB2,  0x64,  0xC9,  0x92,  0x25,  0x4B,  0x81,
michael@0:    0x2C,  0x59,  0xB2,  0x64,  0xC9,  0x92,  0xA5,  0x40,  0x96,  0x2C,  0x59,
michael@0:    0xB2,  0x64,  0xC9,  0x52,  0x20,  0x4B,  0x96,  0x2C,  0x59,  0xB2,  0x64,
michael@0:    0x29,  0x90,  0x25,  0x4B,  0x96,  0x2C,  0x59,  0xB2,  0x14,  0xC8,  0x92,
michael@0:    0x25,  0x4B,  0x96,  0x2C,  0x59,  0x0A,  0x64,  0xC9,  0xFA,  0xB6,  0x89,
michael@0:    0x5F,  0x01,  0xC7,  0x24,  0x83,  0xB2,  0x0C,  0x00,  0x00,  0x00,  0x00,
michael@0:    0x49,  0x45,  0x4E,  0x44,  0xAE,  0x42,  0x60,  0x82,
michael@0:   ];
michael@0: 
michael@0: function handleRequest(request, response)
michael@0: {
michael@0:   response.setHeader("Content-Type", "text/plain", false);
michael@0:   response.setHeader("Cache-Control", "no-cache", false);
michael@0: 
michael@0:   var accept = request.hasHeader("Accept")
michael@0:              ? request.getHeader("Accept")
michael@0:              : "";
michael@0: 
michael@0:   if (accept.split(",").some(isCatchall))
michael@0:   {
michael@0:     response.setHeader("Content-Type", "image/png", false);
michael@0: 
michael@0:     var stream = new BinaryOutputStream(response.bodyOutputStream);
michael@0:     stream.writeByteArray(IMAGE_DATA, IMAGE_DATA.length);
michael@0:   }
michael@0:   else
michael@0:   {
michael@0:     response.setStatusLine(request.httpVersion, 404, "Not found");
michael@0:     response.write("Accept header contained: " + accept);
michael@0:   }
michael@0: }