michael@0: const Cc = Components.classes;
michael@0: const Ci = Components.interfaces;
michael@0: const CC = Components.Constructor;
michael@0: 
michael@0: const BinaryInputStream = CC("@mozilla.org/binaryinputstream;1",
michael@0:                               "nsIBinaryInputStream",
michael@0:                               "setInputStream");
michael@0: 
michael@0: function parseHeaders(data, start)
michael@0: {
michael@0:   let headers = {};
michael@0: 
michael@0:   while (true) {
michael@0:     let done = false;
michael@0:     let end = data.indexOf("\r\n", start);
michael@0:     if (end == -1) {
michael@0:       done = true;
michael@0:       end = data.length;
michael@0:     }
michael@0:     let line = data.substring(start, end);
michael@0:     start = end + 2;
michael@0:     if (line == "")
michael@0:       // empty line, we're done
michael@0:       break;
michael@0: 
michael@0:     //XXX: this doesn't handle multi-line headers. do we care?
michael@0:     let [name, value] = line.split(':');
michael@0:     //XXX: not normalized, should probably use nsHttpHeaders or something
michael@0:     headers[name] = value.trimLeft();
michael@0:   }
michael@0:   return [headers, start];
michael@0: }
michael@0: 
michael@0: function parseMultipartForm(request)
michael@0: {
michael@0:   let boundary = null;
michael@0:   // See if this is a multipart/form-data request, and if so, find the
michael@0:   // boundary string
michael@0:   if (request.hasHeader("Content-Type")) {
michael@0:     var contenttype = request.getHeader("Content-Type");
michael@0:     var bits = contenttype.split(";");
michael@0:     if (bits[0] == "multipart/form-data") {
michael@0:       for (var i = 1; i < bits.length; i++) {
michael@0:         var b = bits[i].trimLeft();
michael@0:         if (b.indexOf("boundary=") == 0) {
michael@0:           // grab everything after boundary=
michael@0:           boundary = "--" + b.substring(9);
michael@0:           break;
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   }
michael@0:   if (boundary == null)
michael@0:     return null;
michael@0: 
michael@0:   let body = new BinaryInputStream(request.bodyInputStream);
michael@0:   let avail;
michael@0:   let bytes = [];
michael@0:   while ((avail = body.available()) > 0) {
michael@0:     let readBytes = body.readByteArray(avail);
michael@0:     for (let b of readBytes) {
michael@0:       bytes.push(b);
michael@0:     }
michael@0:   }
michael@0:   let data = "";
michael@0:   for (let b of bytes) {
michael@0:     data += String.fromCharCode(b);
michael@0:   }
michael@0:   let formData = {};
michael@0:   let done = false;
michael@0:   let start = 0;
michael@0:   while (true) {
michael@0:     // read first line
michael@0:     let end = data.indexOf("\r\n", start);
michael@0:     if (end == -1) {
michael@0:       done = true;
michael@0:       end = data.length;
michael@0:     }
michael@0: 
michael@0:     let line = data.substring(start, end);
michael@0:     // look for closing boundary delimiter line
michael@0:     if (line == boundary + "--") {
michael@0:       break;
michael@0:     }
michael@0: 
michael@0:     if (line != boundary) {
michael@0:       dump("expected boundary line but didn't find it!");
michael@0:       break;
michael@0:     }
michael@0: 
michael@0:     // parse headers
michael@0:     start = end + 2;
michael@0:     let headers = null;
michael@0:     [headers, start] = parseHeaders(data, start);
michael@0: 
michael@0:     // find next boundary string
michael@0:     end = data.indexOf("\r\n" + boundary, start);
michael@0:     if (end == -1) {
michael@0:       dump("couldn't find next boundary string\n");
michael@0:       break;
michael@0:     }
michael@0: 
michael@0:     // read part data, stick in formData using Content-Disposition header
michael@0:     let part = data.substring(start, end);
michael@0:     start = end + 2;
michael@0: 
michael@0:     if ("Content-Disposition" in headers) {
michael@0:       let bits = headers["Content-Disposition"].split(';');
michael@0:       if (bits[0] == 'form-data') {
michael@0:         for (let i = 0; i < bits.length; i++) {
michael@0:           let b = bits[i].trimLeft();
michael@0:           if (b.indexOf('name=') == 0) {
michael@0:             //TODO: handle non-ascii here?
michael@0:             let name = b.substring(6, b.length - 1);
michael@0:             //TODO: handle multiple-value properties?
michael@0:             formData[name] = part;
michael@0:           }
michael@0:           //TODO: handle filename= ?
michael@0:           //TODO: handle multipart/mixed for multi-file uploads?
michael@0:         }
michael@0:       }
michael@0:     }
michael@0:   }
michael@0:   return formData;
michael@0: }
michael@0: 
michael@0: function handleRequest(request, response)
michael@0: {
michael@0:   if (request.method == "GET") {
michael@0:     let id = null;
michael@0:     for each(p in request.queryString.split('&')) {
michael@0:       let [key, value] = p.split('=');
michael@0:       if (key == 'id')
michael@0:         id = value;
michael@0:     }
michael@0:     if (id == null) {
michael@0:       response.setStatusLine(request.httpVersion, 400, "Bad Request");
michael@0:       response.write("Missing id parameter");
michael@0:     }
michael@0:     else {
michael@0:       let data = getState(id);
michael@0:       if (data == "") {
michael@0:         response.setStatusLine(request.httpVersion, 404, "Not Found");
michael@0:         response.write("Not Found");
michael@0:       }
michael@0:       else {
michael@0:         response.setHeader("Content-Type", "text/plain", false);
michael@0:         response.write(data);
michael@0:       }
michael@0:     }
michael@0:   }
michael@0:   else if (request.method == "POST") {
michael@0:     let formData = parseMultipartForm(request);
michael@0: 
michael@0:     if (formData && 'upload_file_minidump' in formData) {
michael@0:       response.setHeader("Content-Type", "text/plain", false);
michael@0: 
michael@0:       let uuidGenerator = Cc["@mozilla.org/uuid-generator;1"]
michael@0:         .getService(Ci.nsIUUIDGenerator);
michael@0:       let uuid = uuidGenerator.generateUUID().toString();
michael@0:       // ditch the {}, add bp- prefix
michael@0:       uuid = 'bp-' + uuid.substring(1,uuid.length-2);
michael@0: 
michael@0:       let d = JSON.stringify(formData);
michael@0:       //dump('saving crash report ' + uuid + ': ' + d + '\n');
michael@0:       setState(uuid, d);
michael@0: 
michael@0:       response.write("CrashID=" + uuid + "\n");
michael@0:     }
michael@0:     else {
michael@0:       dump('*** crashreport.sjs: Malformed request?\n');
michael@0:       response.setStatusLine(request.httpVersion, 400, "Bad Request");
michael@0:       response.write("Missing minidump file");
michael@0:     }
michael@0:   }
michael@0:   else {
michael@0:     response.setStatusLine(request.httpVersion, 405, "Method not allowed");
michael@0:     response.write("Can't handle HTTP method " + request.method);
michael@0:   }
michael@0: }