gecko/toolkit/crashreporter/CrashSubmit.jsm

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla code.
*
* The Initial Developer of the Original Code is
* Mozilla Foundation.
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ted Mielczarek <ted.mielczarek@gmail.com> (original author)
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
let EXPORTED_SYMBOLS = [
"CrashSubmit"
];
const Cc = Components.classes;
const Ci = Components.interfaces;
const STATE_START = Ci.nsIWebProgressListener.STATE_START;
const STATE_STOP = Ci.nsIWebProgressListener.STATE_STOP;
let reportURL = null;
let strings = null;
let myListener = null;
function parseKeyValuePairs(text) {
var lines = text.split('\n');
var data = {};
for (let i = 0; i < lines.length; i++) {
if (lines[i] == '')
continue;
// can't just .split() because the value might contain = characters
let eq = lines[i].indexOf('=');
if (eq != -1) {
let [key, value] = [lines[i].substring(0, eq),
lines[i].substring(eq + 1)];
if (key && value)
data[key] = value.replace("\\n", "\n", "g").replace("\\\\", "\\", "g");
}
}
return data;
}
function parseKeyValuePairsFromFile(file) {
var fstream = Cc["@mozilla.org/network/file-input-stream;1"].
createInstance(Ci.nsIFileInputStream);
fstream.init(file, -1, 0, 0);
var is = Cc["@mozilla.org/intl/converter-input-stream;1"].
createInstance(Ci.nsIConverterInputStream);
is.init(fstream, "UTF-8", 1024, Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
var str = {};
var contents = '';
while (is.readString(4096, str) != 0) {
contents += str.value;
}
is.close();
fstream.close();
return parseKeyValuePairs(contents);
}
function parseINIStrings(file) {
var factory = Cc["@mozilla.org/xpcom/ini-parser-factory;1"].
getService(Ci.nsIINIParserFactory);
var parser = factory.createINIParser(file);
var obj = {};
var en = parser.getKeys("Strings");
while (en.hasMore()) {
var key = en.getNext();
obj[key] = parser.getString("Strings", key);
}
return obj;
}
// Since we're basically re-implementing part of the crashreporter
// client here, we'll just steal the strings we need from crashreporter.ini
function getL10nStrings() {
let dirSvc = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties);
let path = dirSvc.get("GreD", Ci.nsIFile);
path.append("crashreporter.ini");
if (!path.exists()) {
// see if we're on a mac
path = path.parent;
path.append("crashreporter.app");
path.append("Contents");
path.append("MacOS");
path.append("crashreporter.ini");
if (!path.exists()) {
// very bad, but I don't know how to recover
return;
}
}
let crstrings = parseINIStrings(path);
strings = {
'crashid': crstrings.CrashID,
'reporturl': crstrings.CrashDetailsURL
};
path = dirSvc.get("XCurProcD", Ci.nsIFile);
path.append("crashreporter-override.ini");
if (path.exists()) {
crstrings = parseINIStrings(path);
if ('CrashID' in crstrings)
strings['crashid'] = crstrings.CrashID;
if ('CrashDetailsURL' in crstrings)
strings['reporturl'] = crstrings.CrashDetailsURL;
}
}
function getPendingMinidump(id) {
let directoryService = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties);
let pendingDir = directoryService.get("UAppData", Ci.nsIFile);
pendingDir.append("Crash Reports");
pendingDir.append("pending");
let dump = pendingDir.clone();
let extra = pendingDir.clone();
dump.append(id + ".dmp");
extra.append(id + ".extra");
return [dump, extra];
}
function addFormEntry(doc, form, name, value) {
var input = doc.createElement("input");
input.type = "hidden";
input.name = name;
input.value = value;
form.appendChild(input);
}
function writeSubmittedReport(crashID, viewURL) {
let directoryService = Cc["@mozilla.org/file/directory_service;1"].
getService(Ci.nsIProperties);
let reportFile = directoryService.get("UAppData", Ci.nsIFile);
reportFile.append("Crash Reports");
reportFile.append("submitted");
reportFile.append(crashID + ".txt");
var fstream = Cc["@mozilla.org/network/file-output-stream;1"].
createInstance(Ci.nsIFileOutputStream);
// open, write, truncate
fstream.init(reportFile, -1, -1, 0);
var os = Cc["@mozilla.org/intl/converter-output-stream;1"].
createInstance(Ci.nsIConverterOutputStream);
os.init(fstream, "UTF-8", 0, 0x0000);
var data = strings.crashid.replace("%s", crashID);
if (viewURL)
data += "\n" + strings.reporturl.replace("%s", viewURL);
os.writeString(data);
os.close();
fstream.close();
}
// the Submitter class represents an individual submission.
function Submitter(id, element, submitSuccess, submitError) {
this.id = id;
this.element = element;
this.document = element.ownerDocument;
this.successCallback = submitSuccess;
this.errorCallback = submitError;
}
Submitter.prototype = {
submitSuccess: function Submitter_submitSuccess(ret)
{
if (!ret.CrashID) {
this.cleanup();
return;
}
// Write out the details file to submitted/
writeSubmittedReport(ret.CrashID, ret.ViewURL);
// Delete from pending dir
try {
this.dump.remove(false);
this.extra.remove(false);
}
catch (ex) {
// report an error? not much the user can do here.
}
if (this.successCallback)
this.successCallback(this.id, ret);
this.cleanup();
},
cleanup: function Submitter_cleanup() {
// drop some references just to be nice
this.element = null;
this.document = null;
this.successCallback = null;
this.errorCallback = null;
this.iframe = null;
this.dump = null;
this.extra = null;
// remove this object from the list of active submissions
let idx = CrashSubmit._activeSubmissions.indexOf(this);
if (idx != -1)
CrashSubmit._activeSubmissions.splice(idx, 1);
},
submitForm: function Submitter_submitForm()
{
let reportData = parseKeyValuePairsFromFile(this.extra);
let form = this.iframe.contentDocument.forms[0];
if ('ServerURL' in reportData) {
form.action = reportData.ServerURL;
delete reportData.ServerURL;
}
else {
return false;
}
// add the other data
for (let [name, value] in Iterator(reportData)) {
addFormEntry(this.iframe.contentDocument, form, name, value);
}
// tell the server not to throttle this, since it was manually submitted
addFormEntry(this.iframe.contentDocument, form, "Throttleable", "0");
// add the minidump
this.iframe.contentDocument.getElementById('minidump').value
= this.dump.path;
this.iframe.docShell.QueryInterface(Ci.nsIWebProgress);
this.iframe.docShell.addProgressListener(this, Ci.nsIWebProgress.NOTIFY_STATE_DOCUMENT);
form.submit();
return true;
},
// web progress listener
QueryInterface: function(aIID)
{
if (aIID.equals(Ci.nsIWebProgressListener) ||
aIID.equals(Ci.nsISupportsWeakReference) ||
aIID.equals(Ci.nsISupports))
return this;
throw Components.results.NS_NOINTERFACE;
},
onStateChange: function(aWebProgress, aRequest, aFlag, aStatus)
{
if(aFlag & STATE_STOP) {
this.iframe.docShell.QueryInterface(Ci.nsIWebProgress);
this.iframe.docShell.removeProgressListener(this);
// check general request status first
if (!Components.isSuccessCode(aStatus)) {
this.element.removeChild(this.iframe);
if (this.errorCallback) {
this.errorCallback(this.id);
}
this.cleanup();
return 0;
}
// check HTTP status
if (aRequest instanceof Ci.nsIHttpChannel &&
aRequest.responseStatus != 200) {
this.element.removeChild(this.iframe);
if (this.errorCallback) {
this.errorCallback(this.id);
}
this.cleanup();
return 0;
}
var ret = parseKeyValuePairs(this.iframe.contentDocument.documentElement.textContent);
this.element.removeChild(this.iframe);
this.submitSuccess(ret);
}
return 0;
},
onLocationChange: function(aProgress, aRequest, aURI) {return 0;},
onProgressChange: function() {return 0;},
onStatusChange: function() {return 0;},
onSecurityChange: function() {return 0;},
submit: function Submitter_submit()
{
let [dump, extra] = getPendingMinidump(this.id);
if (!dump.exists() || !extra.exists()) {
this.cleanup();
return false;
}
this.dump = dump;
this.extra = extra;
let iframe = this.document.createElementNS("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul", "iframe");
iframe.setAttribute("type", "content");
iframe.style.width = 0;
iframe.style.minWidth = 0;
let self = this;
function loadHandler() {
if (iframe.contentWindow.location == "about:blank")
return;
iframe.removeEventListener("load", loadHandler, true);
if (!self.submitForm())
self.cleanup();
}
iframe.addEventListener("load", loadHandler, true);
this.element.appendChild(iframe);
this.iframe = iframe;
iframe.webNavigation.loadURI("chrome://global/content/crash-submit-form.xhtml", 0, null, null, null);
return true;
}
};
//===================================
// External API goes here
let CrashSubmit = {
/**
* Submit the crash report named id.dmp from the "pending" directory.
*
* @param id
* Filename (minus .dmp extension) of the minidump to submit.
* @param element
* A DOM element to which an iframe can be appended as a child,
* used for form submission.
* @param submitSuccess
* A function that will be called if the report is submitted
* successfully with two parameters: the id that was passed
* to this function, and an object containing the key/value
* data returned from the server in its properties.
* @param submitError
* A function that will be called with one parameter if the
* report fails to submit: the id that was passed to this
* function.
*
* @return true if the submission began successfully, or false if
* it failed for some reason. (If the dump file does not
* exist, for example.)
*/
submit: function CrashSubmit_submit(id, element, submitSuccess, submitError)
{
let submitter = new Submitter(id, element, submitSuccess, submitError);
CrashSubmit._activeSubmissions.push(submitter);
return submitter.submit();
},
// List of currently active submit objects
_activeSubmissions: []
};
// Run this when first loaded
getL10nStrings();