/usr/share/xul-ext/google-tasks-sync/resources/oauthorizer/modules/log4moz.js is in xul-ext-google-tasks-sync 0.5.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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 log4moz
*
* The Initial Developer of the Original Code is
* Michael Johnston
* Portions created by the Initial Developer are Copyright (C) 2006
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Michael Johnston <special.michael@gmail.com>
* Dan Mills <thunder@mozilla.com>
*
* 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 ***** */
const EXPORTED_SYMBOLS = ['Log4Moz', 'SimpleLogger'];
const Cc = Components.classes;
const Ci = Components.interfaces;
const Cr = Components.results;
const Cu = Components.utils;
Cu.import("resource://gre/modules/XPCOMUtils.jsm");
const MODE_RDONLY = 0x01;
const MODE_WRONLY = 0x02;
const MODE_CREATE = 0x08;
const MODE_APPEND = 0x10;
const MODE_TRUNCATE = 0x20;
const PERMS_FILE = 0644;
const PERMS_DIRECTORY = 0755;
const ONE_BYTE = 1;
const ONE_KILOBYTE = 1024 * ONE_BYTE;
const ONE_MEGABYTE = 1024 * ONE_KILOBYTE;
let Log4Moz = {
Level: {
Fatal: 70,
Error: 60,
Warn: 50,
Info: 40,
Config: 30,
Debug: 20,
Trace: 10,
All: 0,
Desc: {
70: "FATAL",
60: "ERROR",
50: "WARN",
40: "INFO",
30: "CONFIG",
20: "DEBUG",
10: "TRACE",
0: "ALL"
}
},
get repository() {
delete Log4Moz.repository;
Log4Moz.repository = new LoggerRepository();
return Log4Moz.repository;
},
set repository(value) {
delete Log4Moz.repository;
Log4Moz.repository = value;
},
get LogMessage() { return LogMessage; },
get Logger() { return Logger; },
get LoggerRepository() { return LoggerRepository; },
get Formatter() { return Formatter; },
get BasicFormatter() { return BasicFormatter; },
get Appender() { return Appender; },
get DumpAppender() { return DumpAppender; },
get ConsoleAppender() { return ConsoleAppender; },
get FileAppender() { return FileAppender; },
get RotatingFileAppender() { return RotatingFileAppender; },
// Logging helper:
// let logger = Log4Moz.repository.getLogger("foo");
// logger.info(Log4Moz.enumerateInterfaces(someObject).join(","));
enumerateInterfaces: function Log4Moz_enumerateInterfaces(aObject) {
let interfaces = [];
for (i in Ci) {
try {
aObject.QueryInterface(Ci[i]);
interfaces.push(i);
}
catch(ex) {}
}
return interfaces;
},
// Logging helper:
// let logger = Log4Moz.repository.getLogger("foo");
// logger.info(Log4Moz.enumerateProperties(someObject).join(","));
enumerateProperties: function Log4Moz_enumerateProps(aObject,
aExcludeComplexTypes) {
let properties = [];
for (p in aObject) {
try {
if (aExcludeComplexTypes &&
(typeof aObject[p] == "object" || typeof aObject[p] == "function"))
continue;
properties.push(p + " = " + aObject[p]);
}
catch(ex) {
properties.push(p + " = " + ex);
}
}
return properties;
}
};
/*
* LogMessage
* Encapsulates a single log event's data
*/
function LogMessage(loggerName, level, message){
this.loggerName = loggerName;
this.message = message;
this.level = level;
this.time = Date.now();
}
LogMessage.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports]),
get levelDesc() {
if (this.level in Log4Moz.Level.Desc)
return Log4Moz.Level.Desc[this.level];
return "UNKNOWN";
},
toString: function LogMsg_toString(){
return "LogMessage [" + this.time + " " + this.level + " " +
this.message + "]";
}
};
/*
* Logger
* Hierarchical version. Logs to all appenders, assigned or inherited
*/
function Logger(name, repository) {
this._init(name, repository);
}
Logger.prototype = {
_init: function Logger__init(name, repository) {
if (!repository)
repository = Log4Moz.repository;
this._name = name;
this._appenders = [];
this._repository = repository;
},
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports]),
parent: null,
get name() {
return this._name;
},
_level: null,
get level() {
if (this._level != null)
return this._level;
if (this.parent)
return this.parent.level;
dump("log4moz warning: root logger configuration error: no level defined\n");
return Log4Moz.Level.All;
},
set level(level) {
this._level = level;
},
_appenders: null,
get appenders() {
if (!this.parent)
return this._appenders;
return this._appenders.concat(this.parent.appenders);
},
addAppender: function Logger_addAppender(appender) {
for (let i = 0; i < this._appenders.length; i++) {
if (this._appenders[i] == appender)
return;
}
this._appenders.push(appender);
},
removeAppender: function Logger_removeAppender(appender) {
let newAppenders = [];
for (let i = 0; i < this._appenders.length; i++) {
if (this._appenders[i] != appender)
newAppenders.push(this._appenders[i]);
}
this._appenders = newAppenders;
},
log: function Logger_log(message) {
if (this.level > message.level)
return;
let appenders = this.appenders;
for (let i = 0; i < appenders.length; i++){
appenders[i].append(message);
}
},
fatal: function Logger_fatal(string) {
this.log(new LogMessage(this._name, Log4Moz.Level.Fatal, string));
},
error: function Logger_error(string) {
this.log(new LogMessage(this._name, Log4Moz.Level.Error, string));
},
warn: function Logger_warn(string) {
this.log(new LogMessage(this._name, Log4Moz.Level.Warn, string));
},
info: function Logger_info(string) {
this.log(new LogMessage(this._name, Log4Moz.Level.Info, string));
},
config: function Logger_config(string) {
this.log(new LogMessage(this._name, Log4Moz.Level.Config, string));
},
debug: function Logger_debug(string) {
this.log(new LogMessage(this._name, Log4Moz.Level.Debug, string));
},
trace: function Logger_trace(string) {
this.log(new LogMessage(this._name, Log4Moz.Level.Trace, string));
}
};
/*
* LoggerRepository
* Implements a hierarchy of Loggers
*/
function LoggerRepository() {}
LoggerRepository.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports]),
_loggers: {},
_rootLogger: null,
get rootLogger() {
if (!this._rootLogger) {
this._rootLogger = new Logger("root", this);
this._rootLogger.level = Log4Moz.Level.All;
}
return this._rootLogger;
},
// FIXME: need to update all parent values if we do this
//set rootLogger(logger) {
// this._rootLogger = logger;
//},
_updateParents: function LogRep__updateParents(name) {
let pieces = name.split('.');
let cur, parent;
// find the closest parent
// don't test for the logger name itself, as there's a chance it's already
// there in this._loggers
for (let i = 0; i < pieces.length - 1; i++) {
if (cur)
cur += '.' + pieces[i];
else
cur = pieces[i];
if (cur in this._loggers)
parent = cur;
}
// if we didn't assign a parent above, there is no parent
if (!parent)
this._loggers[name].parent = this.rootLogger;
else
this._loggers[name].parent = this._loggers[parent];
// trigger updates for any possible descendants of this logger
for (let logger in this._loggers) {
if (logger != name && logger.indexOf(name) == 0)
this._updateParents(logger);
}
},
getLogger: function LogRep_getLogger(name) {
if (!name)
name = this.getLogger.caller.name;
if (name in this._loggers)
return this._loggers[name];
this._loggers[name] = new Logger(name, this);
this._updateParents(name);
return this._loggers[name];
}
};
/*
* Formatters
* These massage a LogMessage into whatever output is desired
* Only the BasicFormatter is currently implemented
*/
// Abstract formatter
function Formatter() {}
Formatter.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports]),
format: function Formatter_format(message) {}
};
// FIXME: should allow for formatting the whole string, not just the date
function BasicFormatter(dateFormat) {
if (dateFormat)
this.dateFormat = dateFormat;
}
BasicFormatter.prototype = {
__proto__: Formatter.prototype,
_dateFormat: null,
get dateFormat() {
if (!this._dateFormat)
this._dateFormat = "%Y-%m-%d %H:%M:%S";
return this._dateFormat;
},
set dateFormat(format) {
this._dateFormat = format;
},
format: function BF_format(message) {
let date = new Date(message.time);
// Pad a string to a certain length (20) with a character (space)
let pad = function BF__pad(str, len, chr) str +
new Array(Math.max((len || 20) - str.length + 1, 0)).join(chr || " ");
return date.toLocaleFormat(this.dateFormat) + "\t" +
pad(message.loggerName) + " " + message.levelDesc + "\t" +
message.message + "\n";
}
};
/*
* Appenders
* These can be attached to Loggers to log to different places
* Simply subclass and override doAppend to implement a new one
*/
function Appender(formatter) {
this._name = "Appender";
this._formatter = formatter? formatter : new BasicFormatter();
}
Appender.prototype = {
QueryInterface: XPCOMUtils.generateQI([Ci.nsISupports]),
_level: Log4Moz.Level.All,
get level() { return this._level; },
set level(level) { this._level = level; },
append: function App_append(message) {
if(this._level <= message.level)
this.doAppend(this._formatter.format(message));
},
toString: function App_toString() {
return this._name + " [level=" + this._level +
", formatter=" + this._formatter + "]";
},
doAppend: function App_doAppend(message) {}
};
/*
* DumpAppender
* Logs to standard out
*/
function DumpAppender(formatter) {
this._name = "DumpAppender";
this._formatter = formatter? formatter : new BasicFormatter();
}
DumpAppender.prototype = {
__proto__: Appender.prototype,
doAppend: function DApp_doAppend(message) {
dump(message);
}
};
/*
* ConsoleAppender
* Logs to the javascript console
*/
function ConsoleAppender(formatter) {
this._name = "ConsoleAppender";
this._formatter = formatter;
}
ConsoleAppender.prototype = {
__proto__: Appender.prototype,
doAppend: function CApp_doAppend(message) {
if (message.level > Log4Moz.Level.Warn) {
Cu.reportError(message);
return;
}
Cc["@mozilla.org/consoleservice;1"].
getService(Ci.nsIConsoleService).logStringMessage(message);
}
};
/*
* FileAppender
* Logs to a file
*/
function FileAppender(file, formatter) {
this._name = "FileAppender";
this._file = file; // nsIFile
this._formatter = formatter? formatter : new BasicFormatter();
}
FileAppender.prototype = {
__proto__: Appender.prototype,
__fos: null,
get _fos() {
if (!this.__fos)
this.openStream();
return this.__fos;
},
openStream: function FApp_openStream() {
try {
let __fos = Cc["@mozilla.org/network/file-output-stream;1"].
createInstance(Ci.nsIFileOutputStream);
let flags = MODE_WRONLY | MODE_CREATE | MODE_APPEND;
__fos.init(this._file, flags, PERMS_FILE, 0);
this.__fos = Cc["@mozilla.org/intl/converter-output-stream;1"]
.createInstance(Ci.nsIConverterOutputStream);
this.__fos.init(__fos, "UTF-8", 4096,
Ci.nsIConverterInputStream.DEFAULT_REPLACEMENT_CHARACTER);
} catch(e) {
dump("Error opening stream:\n" + e);
}
},
closeStream: function FApp_closeStream() {
if (!this.__fos)
return;
try {
this.__fos.close();
this.__fos = null;
} catch(e) {
dump("Failed to close file output stream\n" + e);
}
},
doAppend: function FApp_doAppend(message) {
if (message === null || message.length <= 0)
return;
try {
this._fos.writeString(message);
} catch(e) {
dump("Error writing file:\n" + e);
}
},
clear: function FApp_clear() {
this.closeStream();
try {
this._file.remove(false);
} catch (e) {
// XXX do something?
}
}
};
/*
* RotatingFileAppender
* Similar to FileAppender, but rotates logs when they become too large
*/
function RotatingFileAppender(file, formatter, maxSize, maxBackups) {
if (maxSize === undefined)
maxSize = ONE_MEGABYTE * 2;
if (maxBackups === undefined)
maxBackups = 0;
this._name = "RotatingFileAppender";
this._file = file; // nsIFile
this._formatter = formatter? formatter : new BasicFormatter();
this._maxSize = maxSize;
this._maxBackups = maxBackups;
}
RotatingFileAppender.prototype = {
__proto__: FileAppender.prototype,
doAppend: function RFApp_doAppend(message) {
if (message === null || message.length <= 0)
return;
try {
this.rotateLogs();
FileAppender.prototype.doAppend.call(this, message);
} catch(e) {
dump("Error writing file:" + e + "\n");
}
},
rotateLogs: function RFApp_rotateLogs() {
if(this._file.exists() &&
this._file.fileSize < this._maxSize)
return;
this.closeStream();
for (let i = this.maxBackups - 1; i > 0; i--){
let backup = this._file.parent.clone();
backup.append(this._file.leafName + "." + i);
if (backup.exists())
backup.moveTo(this._file.parent, this._file.leafName + "." + (i + 1));
}
let cur = this._file.clone();
if (cur.exists())
cur.moveTo(cur.parent, cur.leafName + ".1");
// Note: this._file still points to the same file
}
};
var SimpleLogger = {
_loggers: {},
getLogger: function SimpleLogger_getLogger(loggerName, filename, enableConsoleLogging, enableDumpLogging, considerNetLogging) {
if (this._loggers[loggerName])
return this._loggers[loggerName];
if (!filename)
filename = "chainsaw.ptr";
let formatter = new Log4Moz.BasicFormatter();
Log4Moz.repository.rootLogger.level = Log4Moz.Level.Debug;
let theLog = Log4Moz.repository.getLogger(loggerName);
theLog.level = Log4Moz.Level.Warn;
try {
// figure out if event-driven indexing should be enabled...
let prefService = Components.classes["@mozilla.org/preferences-service;1"].
getService(Components.interfaces.nsIPrefService);
let branch = prefService.getBranch("log4moz."+loggerName+".");
enableConsoleLogging = branch.getBoolPref("console");
enableDumpLogging = branch.getBoolPref("dump");
considerNetLogging = branch.getBoolPref("net");
} catch (ex) {}
if (enableConsoleLogging) {
let capp = new Log4Moz.ConsoleAppender(formatter);
capp.level = Log4Moz.Level.Warn;
theLog.addAppender(capp);
}
if (enableDumpLogging) {
let dapp = new Log4Moz.DumpAppender(formatter);
dapp.level = Log4Moz.Level.All;
theLog.level = Log4Moz.Level.All;
theLog.addAppender(dapp);
}
if (considerNetLogging) {
let file = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties)
.get("TmpD", Components.interfaces.nsIFile);
file.append(filename);
if (file.exists()) {
let data = IOUtils.loadFileToString(file);
data = data.trim();
let [host, port] = data.split(":");
let xf = new Log4Moz.XMLFormatter();
let sapp = new Log4Moz.SocketAppender(host, Number(port), xf);
sapp.level = Log4Moz.Level.All;
theLog.level = Log4Moz.Level.All;
theLog.addAppender(sapp);
}
}
this._loggers[loggerName] = theLog;
return theLog;
},
}
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