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