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chromium / chromium / deps / xulrunner-sdk / ca6bc7c1f70a630f808c4e07ecb4ac224686a69f / . / win / bin / components / nsUpdateService.js
blob: 2a1ebc6f1f15973cf89849eafc46eb8e2da1f2d8 [file] [log] [blame]
//@line 44 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
const PREF_APP_UPDATE_ENABLED = "app.update.enabled";
const PREF_APP_UPDATE_AUTO = "app.update.auto";
const PREF_APP_UPDATE_MODE = "app.update.mode";
const PREF_APP_UPDATE_SILENT = "app.update.silent";
const PREF_APP_UPDATE_INTERVAL = "app.update.interval";
const PREF_APP_UPDATE_TIMER = "app.update.timer";
const PREF_APP_UPDATE_IDLETIME = "app.update.idletime";
const PREF_APP_UPDATE_PROMPTWAITTIME = "app.update.promptWaitTime";
const PREF_APP_UPDATE_LOG_BRANCH = "app.update.log.";
const PREF_APP_UPDATE_URL = "app.update.url";
const PREF_APP_UPDATE_URL_OVERRIDE = "app.update.url.override";
const PREF_APP_UPDATE_URL_DETAILS = "app.update.url.details";
const PREF_APP_UPDATE_CHANNEL = "app.update.channel";
const PREF_APP_UPDATE_SHOW_INSTALLED_UI = "app.update.showInstalledUI";
const PREF_APP_UPDATE_LASTUPDATETIME_FMT = "app.update.lastUpdateTime.%ID%";
const PREF_GENERAL_USERAGENT_LOCALE = "general.useragent.locale";
const PREF_APP_UPDATE_INCOMPATIBLE_MODE = "app.update.incompatible.mode";
const PREF_UPDATE_NEVER_BRANCH = "app.update.never.";
const PREF_PARTNER_BRANCH = "app.partner.";
const PREF_APP_DISTRIBUTION = "distribution.id";
const PREF_APP_DISTRIBUTION_VERSION = "distribution.version";
const URI_UPDATE_PROMPT_DIALOG = "chrome://mozapps/content/update/updates.xul";
const URI_UPDATE_HISTORY_DIALOG = "chrome://mozapps/content/update/history.xul";
const URI_BRAND_PROPERTIES = "chrome://branding/locale/brand.properties";
const URI_UPDATES_PROPERTIES = "chrome://mozapps/locale/update/updates.properties";
const URI_UPDATE_NS = "http://www.mozilla.org/2005/app-update";
const KEY_GREDIR = "GreD";
const KEY_APPDIR = "XCurProcD";
//@line 76 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
const KEY_UPDROOT = "UpdRootD";
const KEY_UAPPDATA = "UAppData";
//@line 79 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
const DIR_UPDATES = "updates";
const FILE_UPDATE_STATUS = "update.status";
const FILE_UPDATE_ARCHIVE = "update.mar";
const FILE_UPDATE_LOG = "update.log"
const FILE_UPDATES_DB = "updates.xml";
const FILE_UPDATE_ACTIVE = "active-update.xml";
const FILE_PERMS_TEST = "update.test";
const FILE_LAST_LOG = "last-update.log";
const FILE_UPDATER_INI = "updater.ini";
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 STATE_NONE = "null";
const STATE_DOWNLOADING = "downloading";
const STATE_PENDING = "pending";
const STATE_APPLYING = "applying";
const STATE_SUCCEEDED = "succeeded";
const STATE_DOWNLOAD_FAILED = "download-failed";
const STATE_FAILED = "failed";
// From updater/errors.h:
const WRITE_ERROR = 7;
const DOWNLOAD_CHUNK_SIZE = 300000; // bytes
const DOWNLOAD_BACKGROUND_INTERVAL = 600; // seconds
const DOWNLOAD_FOREGROUND_INTERVAL = 0;
const TOOLKIT_ID = "toolkit@mozilla.org";
const POST_UPDATE_CONTRACTID = "@mozilla.org/updates/post-update;1";
const nsIExtensionManager = Components.interfaces.nsIExtensionManager;
const nsILocalFile = Components.interfaces.nsILocalFile;
const nsIUpdateService = Components.interfaces.nsIUpdateService;
const nsIUpdateItem = Components.interfaces.nsIUpdateItem;
const nsIPrefLocalizedString = Components.interfaces.nsIPrefLocalizedString;
const nsIIncrementalDownload = Components.interfaces.nsIIncrementalDownload;
const nsIFileInputStream = Components.interfaces.nsIFileInputStream;
const nsIFileOutputStream = Components.interfaces.nsIFileOutputStream;
const nsICryptoHash = Components.interfaces.nsICryptoHash;
const nsIINIParserFactory = Components.interfaces.nsIINIParserFactory;
const Node = Components.interfaces.nsIDOMNode;
var gApp = null;
var gPref = null;
var gABI = null;
var gOSVersion = null;
var gLocale = null;
var gConsole = null;
var gLogEnabled = { };
// shared code for suppressing bad cert dialogs
//@line 40 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\shared\src\badCertHandler.js"
/**
* Only allow built-in certs for HTTPS connections. See bug 340198.
*/
function checkCert(channel) {
if (!channel.originalURI.schemeIs("https")) // bypass
return;
const Ci = Components.interfaces;
var cert =
channel.securityInfo.QueryInterface(Ci.nsISSLStatusProvider).
SSLStatus.QueryInterface(Ci.nsISSLStatus).serverCert;
var issuer = cert.issuer;
while (issuer && !cert.equals(issuer)) {
cert = issuer;
issuer = cert.issuer;
}
if (!issuer || issuer.tokenName != "Builtin Object Token")
throw "cert issuer is not built-in";
}
/**
* This class implements nsIBadCertListener. It's job is to prevent "bad cert"
* security dialogs from being shown to the user. It is better to simply fail
* if the certificate is bad. See bug 304286.
*/
function BadCertHandler() {
}
BadCertHandler.prototype = {
// nsIChannelEventSink
onChannelRedirect: function(oldChannel, newChannel, flags) {
// make sure the certificate of the old channel checks out before we follow
// a redirect from it. See bug 340198.
checkCert(oldChannel);
},
// Suppress any certificate errors
notifyCertProblem: function(socketInfo, status, targetSite) {
return true;
},
// Suppress any ssl errors
notifySSLError: function(socketInfo, error, targetSite) {
return true;
},
// nsIInterfaceRequestor
getInterface: function(iid) {
return this.QueryInterface(iid);
},
// nsISupports
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIChannelEventSink) &&
!iid.equals(Components.interfaces.nsIBadCertListener2) &&
!iid.equals(Components.interfaces.nsISSLErrorListener) &&
!iid.equals(Components.interfaces.nsIInterfaceRequestor) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
//@line 141 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
/**
* Logs a string to the error console.
* @param string
* The string to write to the error console..
*/
function LOG(module, string) {
if (module in gLogEnabled || "all" in gLogEnabled) {
dump("*** " + module + ": " + string + "\n");
gConsole.logStringMessage(string);
}
}
/**
* Convert a string containing binary values to hex.
*/
function binaryToHex(input) {
var result = "";
for (var i = 0; i < input.length; ++i) {
var hex = input.charCodeAt(i).toString(16);
if (hex.length == 1)
hex = "0" + hex;
result += hex;
}
return result;
}
/**
* Gets a File URL spec for a nsIFile
* @param file
* The file to get a file URL spec to
* @returns The file URL spec to the file
*/
function getURLSpecFromFile(file) {
var ioServ = Components.classes["@mozilla.org/network/io-service;1"]
.getService(Components.interfaces.nsIIOService);
var fph = ioServ.getProtocolHandler("file")
.QueryInterface(Components.interfaces.nsIFileProtocolHandler);
return fph.getURLSpecFromFile(file);
}
/**
* Gets the specified directory at the specified hierarchy under a
* Directory Service key.
* @param key
* The Directory Service Key to start from
* @param pathArray
* An array of path components to locate beneath the directory
* specified by |key|
* @return nsIFile object for the location specified. If the directory
* requested does not exist, it is created, along with any
* parent directories that need to be created.
*/
function getDir(key, pathArray) {
return getDirInternal(key, pathArray, true, false);
}
/**
* Gets the specified directory at the specified hierarchy under a
* Directory Service key.
* @param key
* The Directory Service Key to start from
* @param pathArray
* An array of path components to locate beneath the directory
* specified by |key|
* @return nsIFile object for the location specified. If the directory
* requested does not exist, it is NOT created.
*/
function getDirNoCreate(key, pathArray) {
return getDirInternal(key, pathArray, false, false);
}
/**
* Gets the specified directory at the specified hierarchy under the
* update root directory.
* @param pathArray
* An array of path components to locate beneath the directory
* specified by |key|
* @return nsIFile object for the location specified. If the directory
* requested does not exist, it is created, along with any
* parent directories that need to be created.
*/
function getUpdateDir(pathArray) {
return getDirInternal(KEY_APPDIR, pathArray, true, true);
}
/**
* Gets the specified directory at the specified hierarchy under a
* Directory Service key.
* @param key
* The Directory Service Key to start from
* @param pathArray
* An array of path components to locate beneath the directory
* specified by |key|
* @param shouldCreate
* true if the directory hierarchy specified in |pathArray|
* should be created if it does not exist,
* false otherwise.
* @param update
* true if finding the update directory,
* false otherwise.
* @return nsIFile object for the location specified.
*/
function getDirInternal(key, pathArray, shouldCreate, update) {
var fileLocator = Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties);
var dir = fileLocator.get(key, Components.interfaces.nsIFile);
//@line 249 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
if (update) {
try {
dir = fileLocator.get(KEY_UPDROOT, Components.interfaces.nsIFile);
} catch (e) {
}
}
//@line 256 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
for (var i = 0; i < pathArray.length; ++i) {
dir.append(pathArray[i]);
if (shouldCreate && !dir.exists())
dir.create(nsILocalFile.DIRECTORY_TYPE, PERMS_DIRECTORY);
}
return dir;
}
/**
* Gets the file at the specified hierarchy under a Directory Service key.
* @param key
* The Directory Service Key to start from
* @param pathArray
* An array of path components to locate beneath the directory
* specified by |key|. The last item in this array must be the
* leaf name of a file.
* @return nsIFile object for the file specified. The file is NOT created
* if it does not exist, however all required directories along
* the way are.
*/
function getFile(key, pathArray) {
var file = getDir(key, pathArray.slice(0, -1));
file.append(pathArray[pathArray.length - 1]);
return file;
}
/**
* Gets the file at the specified hierarchy under the update root directory.
* @param pathArray
* An array of path components to locate beneath the directory
* specified by |key|. The last item in this array must be the
* leaf name of a file.
* @return nsIFile object for the file specified. The file is NOT created
* if it does not exist, however all required directories along
* the way are.
*/
function getUpdateFile(pathArray) {
var file = getUpdateDir(pathArray.slice(0, -1));
file.append(pathArray[pathArray.length - 1]);
return file;
}
/**
* Closes a Safe Output Stream
* @param fos
* The Safe Output Stream to close
*/
function closeSafeOutputStream(fos) {
if (fos instanceof Components.interfaces.nsISafeOutputStream) {
try {
fos.finish();
}
catch (e) {
fos.close();
}
}
else
fos.close();
}
/**
* Returns human readable status text from the updates.properties bundle
* based on an error code
* @param code
* The error code to look up human readable status text for
* @param defaultCode
* The default code to look up should human readable status text
* not exist for |code|
* @returns A human readable status text string
*/
function getStatusTextFromCode(code, defaultCode) {
var sbs =
Components.classes["@mozilla.org/intl/stringbundle;1"].
getService(Components.interfaces.nsIStringBundleService);
var updateBundle = sbs.createBundle(URI_UPDATES_PROPERTIES);
var reason = updateBundle.GetStringFromName("checker_error-" + defaultCode);
try {
reason = updateBundle.GetStringFromName("checker_error-" + code);
LOG("General", "Transfer Error: " + reason + ", code: " + code);
}
catch (e) {
// Use the default reason
LOG("General", "Transfer Error: " + reason + ", code: " + defaultCode);
}
return reason;
}
/**
* Get the Active Updates directory
* @param key
* The Directory Service Key (optional).
* If used, don't search local appdata on Win32 and don't create dir.
* @returns The active updates directory, as a nsIFile object
*/
function getUpdatesDir(key) {
// Right now, we only support downloading one patch at a time, so we always
// use the same target directory.
var fileLocator =
Components.classes["@mozilla.org/file/directory_service;1"].
getService(Components.interfaces.nsIProperties);
var appDir;
if (key)
appDir = fileLocator.get(key, Components.interfaces.nsIFile);
else {
appDir = fileLocator.get(KEY_APPDIR, Components.interfaces.nsIFile);
//@line 362 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
try {
appDir = fileLocator.get(KEY_UPDROOT, Components.interfaces.nsIFile);
} catch (e) {
}
//@line 367 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
}
appDir.append(DIR_UPDATES);
appDir.append("0");
if (!appDir.exists() && !key)
appDir.create(nsILocalFile.DIRECTORY_TYPE, PERMS_DIRECTORY);
return appDir;
}
/**
* Reads the update state from the update.status file in the specified
* directory.
* @param dir
* The dir to look for an update.status file in
* @returns The status value of the update.
*/
function readStatusFile(dir) {
var statusFile = dir.clone();
statusFile.append(FILE_UPDATE_STATUS);
LOG("General", "Reading Status File: " + statusFile.path);
return readStringFromFile(statusFile) || STATE_NONE;
}
/**
* Writes the current update operation/state to a file in the patch
* directory, indicating to the patching system that operations need
* to be performed.
* @param dir
* The patch directory where the update.status file should be
* written.
* @param state
* The state value to write.
*/
function writeStatusFile(dir, state) {
var statusFile = dir.clone();
statusFile.append(FILE_UPDATE_STATUS);
writeStringToFile(statusFile, state);
}
/**
* Removes the Updates Directory
* @param key
* The Directory Service Key under which update directory resides
* (optional).
*/
function cleanUpUpdatesDir(key) {
// Bail out if we don't have appropriate permissions
var updateDir;
try {
updateDir = getUpdatesDir(key);
}
catch (e) {
return;
}
var e = updateDir.directoryEntries;
while (e.hasMoreElements()) {
var f = e.getNext().QueryInterface(Components.interfaces.nsIFile);
// Preserve the last update log file for debugging purposes
if (f.leafName == FILE_UPDATE_LOG) {
try {
var dir = f.parent.parent;
var logFile = dir.clone();
logFile.append(FILE_LAST_LOG);
if (logFile.exists())
logFile.remove(false);
f.copyTo(dir, FILE_LAST_LOG);
}
catch (e) {
LOG("General", "Failed to copy file: " + f.path);
}
}
// Now, recursively remove this file. The recusive removal is really
// only needed on Mac OSX because this directory will contain a copy of
// updater.app, which is itself a directory.
try {
f.remove(true);
}
catch (e) {
LOG("General", "Failed to remove file: " + f.path);
}
}
try {
updateDir.remove(false);
} catch (e) {
LOG("General", "Failed to remove update directory: " + updateDir.path +
" - This is almost always bad. Exception = " + e);
throw e;
}
}
/**
* Clean up updates list and the updates directory.
* @param key
* The Directory Service Key under which update directory resides
* (optional).
*/
function cleanupActiveUpdate(key) {
// Move the update from the Active Update list into the Past Updates list.
var um =
Components.classes["@mozilla.org/updates/update-manager;1"].
getService(Components.interfaces.nsIUpdateManager);
um.activeUpdate = null;
um.saveUpdates();
// Now trash the updates directory, since we're done with it
cleanUpUpdatesDir(key);
}
/**
* Gets a preference value, handling the case where there is no default.
* @param func
* The name of the preference function to call, on nsIPrefBranch
* @param preference
* The name of the preference
* @param defaultValue
* The default value to return in the event the preference has
* no setting
* @returns The value of the preference, or undefined if there was no
* user or default value.
*/
function getPref(func, preference, defaultValue) {
try {
return gPref[func](preference);
}
catch (e) {
}
return defaultValue;
}
/**
* Gets the locale specified by the 'Locale' key in the 'Installation' section
* of updater.ini if it is available. Otherwise the general.useragent.locale
* preference is used to get the locale. It's possible for this preference to
* be localized, so we have to do a little extra work here. Similar code
* exists in nsHttpHandler.cpp when building the UA string.
*/
function getLocale() {
if (gLocale)
return gLocale;
try {
//@line 512 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
var updaterIni = getFile(KEY_GREDIR, [FILE_UPDATER_INI]);
//@line 514 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
var iniParser = Components.classes["@mozilla.org/xpcom/ini-parser-factory;1"]
.getService(nsIINIParserFactory).createINIParser(updaterIni);
gLocale = iniParser.getString("Installation", "Locale");
LOG("General", "Getting Locale from File: " + updaterIni.path + " Locale: " + gLocale);
return gLocale;
} catch (e) {}
try {
// Get the default branch
var prefs = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefService);
var defaultPrefs = prefs.getDefaultBranch(null);
gLocale = defaultPrefs.getCharPref(PREF_GENERAL_USERAGENT_LOCALE);
} catch (e) {
gLocale = gPref.getCharPref(PREF_GENERAL_USERAGENT_LOCALE);
}
return gLocale;
}
/**
* Read the update channel from defaults only. We do this to ensure that
* the channel is tightly coupled with the application and does not apply
* to other instances of the application that may use the same profile.
*/
function getUpdateChannel() {
var channel = "default";
var prefName;
var prefValue;
var defaults =
gPref.QueryInterface(Components.interfaces.nsIPrefService).
getDefaultBranch(null);
try {
channel = defaults.getCharPref(PREF_APP_UPDATE_CHANNEL);
} catch (e) {
// use default when pref not found
}
try {
var partners = gPref.getChildList(PREF_PARTNER_BRANCH, { });
if (partners.length) {
channel += "-cck";
partners.sort();
for each (prefName in partners) {
prefValue = gPref.getCharPref(prefName);
channel += "-" + prefValue;
}
}
}
catch (e) {
Components.utils.reportError(e);
}
return channel;
}
/* Get the distribution pref values, from defaults only */
function getDistributionPrefValue(aPrefName) {
var prefValue = "default";
var defaults =
gPref.QueryInterface(Components.interfaces.nsIPrefService).
getDefaultBranch(null);
try {
prefValue = defaults.getCharPref(aPrefName);
} catch (e) {
// use default when pref not found
}
return prefValue;
}
/**
* An enumeration of items in a JS array.
* @constructor
*/
function ArrayEnumerator(aItems) {
this._index = 0;
if (aItems) {
for (var i = 0; i < aItems.length; ++i) {
if (!aItems[i])
aItems.splice(i, 1);
}
}
this._contents = aItems;
}
ArrayEnumerator.prototype = {
_index: 0,
_contents: [],
hasMoreElements: function() {
return this._index < this._contents.length;
},
getNext: function() {
return this._contents[this._index++];
}
};
/**
* Trims a prefix from a string.
* @param string
* The source string
* @param prefix
* The prefix to remove.
* @returns The suffix (string - prefix)
*/
function stripPrefix(string, prefix) {
return string.substr(prefix.length);
}
/**
* Writes a string of text to a file. A newline will be appended to the data
* written to the file. This function only works with ASCII text.
*/
function writeStringToFile(file, text) {
var fos =
Components.classes["@mozilla.org/network/safe-file-output-stream;1"].
createInstance(nsIFileOutputStream);
var modeFlags = MODE_WRONLY | MODE_CREATE | MODE_TRUNCATE;
if (!file.exists())
file.create(nsILocalFile.NORMAL_FILE_TYPE, PERMS_FILE);
fos.init(file, modeFlags, PERMS_FILE, 0);
text += "\n";
fos.write(text, text.length);
closeSafeOutputStream(fos);
}
/**
* Reads a string of text from a file. A trailing newline will be removed
* before the result is returned. This function only works with ASCII text.
*/
function readStringFromFile(file) {
var fis =
Components.classes["@mozilla.org/network/file-input-stream;1"].
createInstance(nsIFileInputStream);
var modeFlags = MODE_RDONLY;
if (!file.exists())
return null;
fis.init(file, modeFlags, PERMS_FILE, 0);
var sis =
Components.classes["@mozilla.org/scriptableinputstream;1"].
createInstance(Components.interfaces.nsIScriptableInputStream);
sis.init(fis);
var text = sis.read(sis.available());
sis.close();
if (text[text.length - 1] == "\n")
text = text.slice(0, -1);
return text;
}
function getObserverService()
{
return Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
}
/**
* Update Patch
* @param patch
* A <patch> element to initialize this object with
* @throws if patch has a size of 0
* @constructor
*/
function UpdatePatch(patch) {
this._properties = {};
for (var i = 0; i < patch.attributes.length; ++i) {
var attr = patch.attributes.item(i);
attr.QueryInterface(Components.interfaces.nsIDOMAttr);
switch (attr.name) {
case "selected":
this.selected = attr.value == "true";
break;
case "size":
if (0 == parseInt(attr.value)) {
LOG("UpdatePatch", "0-sized patch!");
throw Components.results.NS_ERROR_ILLEGAL_VALUE;
}
// fall through
default:
this[attr.name] = attr.value;
break;
};
}
}
UpdatePatch.prototype = {
/**
* See nsIUpdateService.idl
*/
serialize: function(updates) {
var patch = updates.createElementNS(URI_UPDATE_NS, "patch");
patch.setAttribute("type", this.type);
patch.setAttribute("URL", this.URL);
patch.setAttribute("hashFunction", this.hashFunction);
patch.setAttribute("hashValue", this.hashValue);
patch.setAttribute("size", this.size);
patch.setAttribute("selected", this.selected);
patch.setAttribute("state", this.state);
for (var p in this._properties) {
if (this._properties[p].present)
patch.setAttribute(p, this._properties[p].data);
}
return patch;
},
/**
* A hash of custom properties
*/
_properties: null,
/**
* See nsIWritablePropertyBag.idl
*/
setProperty: function(name, value) {
this._properties[name] = { data: value, present: true };
},
/**
* See nsIWritablePropertyBag.idl
*/
deleteProperty: function(name) {
if (name in this._properties)
this._properties[name].present = false;
else
throw Components.results.NS_ERROR_FAILURE;
},
/**
* See nsIPropertyBag.idl
*/
get enumerator() {
var properties = [];
for (var p in this._properties)
properties.push(this._properties[p].data);
return new ArrayEnumerator(properties);
},
/**
* See nsIPropertyBag.idl
*/
getProperty: function(name) {
if (name in this._properties &&
this._properties[name].present)
return this._properties[name].data;
throw Components.results.NS_ERROR_FAILURE;
},
/**
* Returns whether or not the update.status file for this patch exists at the
* appropriate location.
*/
get statusFileExists() {
var statusFile = getUpdatesDir();
statusFile.append(FILE_UPDATE_STATUS);
return statusFile.exists();
},
/**
* See nsIUpdateService.idl
*/
get state() {
if (!this.statusFileExists)
return STATE_NONE;
return this._properties.state;
},
set state(val) {
this._properties.state = val;
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIUpdatePatch) &&
!iid.equals(Components.interfaces.nsIPropertyBag) &&
!iid.equals(Components.interfaces.nsIWritablePropertyBag) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
/**
* Update
* Implements nsIUpdate
* @param update
* An <update> element to initialize this object with
* @throws if the update contains no patches
* @constructor
*/
function Update(update) {
this._properties = {};
this._patches = [];
this.installDate = 0;
this.isCompleteUpdate = false;
this.channel = "default"
// Null <update>, assume this is a message container and do no
// further initialization
if (!update)
return;
for (var i = 0; i < update.childNodes.length; ++i) {
var patchElement = update.childNodes.item(i);
if (patchElement.nodeType != Node.ELEMENT_NODE ||
patchElement.localName != "patch")
continue;
patchElement.QueryInterface(Components.interfaces.nsIDOMElement);
try {
var patch = new UpdatePatch(patchElement);
} catch (e) {
continue;
}
this._patches.push(patch);
}
if (0 == this._patches.length)
throw Components.results.NS_ERROR_ILLEGAL_VALUE;
for (var i = 0; i < update.attributes.length; ++i) {
var attr = update.attributes.item(i);
attr.QueryInterface(Components.interfaces.nsIDOMAttr);
if (attr.name == "installDate" && attr.value)
this.installDate = parseInt(attr.value);
else if (attr.name == "isCompleteUpdate")
this.isCompleteUpdate = attr.value == "true";
else if (attr.name == "isSecurityUpdate")
this.isSecurityUpdate = attr.value == "true";
else if (attr.name == "detailsURL")
this._detailsURL = attr.value;
else if (attr.name == "channel")
this.channel = attr.value;
else
this[attr.name] = attr.value;
}
// The Update Name is either the string provided by the <update> element, or
// the string: "<App Name> <Update App Version>"
var name = "";
if (update.hasAttribute("name"))
name = update.getAttribute("name");
else {
var sbs = Components.classes["@mozilla.org/intl/stringbundle;1"]
.getService(Components.interfaces.nsIStringBundleService);
var brandBundle = sbs.createBundle(URI_BRAND_PROPERTIES);
var updateBundle = sbs.createBundle(URI_UPDATES_PROPERTIES);
var appName = brandBundle.GetStringFromName("brandShortName");
name = updateBundle.formatStringFromName("updateName",
[appName, this.version], 2);
}
this.name = name;
}
Update.prototype = {
/**
* See nsIUpdateService.idl
*/
get patchCount() {
return this._patches.length;
},
/**
* See nsIUpdateService.idl
*/
getPatchAt: function(index) {
return this._patches[index];
},
/**
* See nsIUpdateService.idl
*
* We use a copy of the state cached on this object in |_state| only when
* there is no selected patch, i.e. in the case when we could not load
* |.activeUpdate| from the update manager for some reason but still have
* the update.status file to work with.
*/
_state: "",
set state(state) {
if (this.selectedPatch)
this.selectedPatch.state = state;
this._state = state;
return state;
},
get state() {
if (this.selectedPatch)
return this.selectedPatch.state;
return this._state;
},
/**
* See nsIUpdateService.idl
*/
errorCode: 0,
/**
* See nsIUpdateService.idl
*/
get selectedPatch() {
for (var i = 0; i < this.patchCount; ++i) {
if (this._patches[i].selected)
return this._patches[i];
}
return null;
},
/**
* See nsIUpdateService.idl
*/
get detailsURL() {
if (!this._detailsURL) {
try {
// Try using a default details URL supplied by the distribution
// if the update XML does not supply one.
var formatter = Components.classes["@mozilla.org/toolkit/URLFormatterService;1"]
.getService(Components.interfaces.nsIURLFormatter);
return formatter.formatURLPref(PREF_APP_UPDATE_URL_DETAILS);
}
catch (e) {
}
}
return this._detailsURL || "";
},
/**
* See nsIUpdateService.idl
*/
serialize: function(updates) {
var update = updates.createElementNS(URI_UPDATE_NS, "update");
update.setAttribute("type", this.type);
update.setAttribute("name", this.name);
update.setAttribute("version", this.version);
update.setAttribute("platformVersion", this.platformVersion);
update.setAttribute("extensionVersion", this.extensionVersion);
update.setAttribute("detailsURL", this.detailsURL);
update.setAttribute("licenseURL", this.licenseURL);
update.setAttribute("serviceURL", this.serviceURL);
update.setAttribute("installDate", this.installDate);
update.setAttribute("statusText", this.statusText);
update.setAttribute("buildID", this.buildID);
update.setAttribute("isCompleteUpdate", this.isCompleteUpdate);
update.setAttribute("channel", this.channel);
updates.documentElement.appendChild(update);
for (var p in this._properties) {
if (this._properties[p].present)
update.setAttribute(p, this._properties[p].data);
}
for (var i = 0; i < this.patchCount; ++i)
update.appendChild(this.getPatchAt(i).serialize(updates));
return update;
},
/**
* A hash of custom properties
*/
_properties: null,
/**
* See nsIWritablePropertyBag.idl
*/
setProperty: function(name, value) {
this._properties[name] = { data: value, present: true };
},
/**
* See nsIWritablePropertyBag.idl
*/
deleteProperty: function(name) {
if (name in this._properties)
this._properties[name].present = false;
else
throw Components.results.NS_ERROR_FAILURE;
},
/**
* See nsIPropertyBag.idl
*/
get enumerator() {
var properties = [];
for (var p in this._properties)
properties.push(this._properties[p].data);
return new ArrayEnumerator(properties);
},
/**
* See nsIPropertyBag.idl
*/
getProperty: function(name) {
if (name in this._properties &&
this._properties[name].present)
return this._properties[name].data;
throw Components.results.NS_ERROR_FAILURE;
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIUpdate) &&
!iid.equals(Components.interfaces.nsIPropertyBag) &&
!iid.equals(Components.interfaces.nsIWritablePropertyBag) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
/**
* UpdateService
* A Service for managing the discovery and installation of software updates.
* @constructor
*/
function UpdateService() {
gApp = Components.classes["@mozilla.org/xre/app-info;1"]
.getService(Components.interfaces.nsIXULAppInfo)
.QueryInterface(Components.interfaces.nsIXULRuntime);
gPref = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefBranch2);
gConsole = Components.classes["@mozilla.org/consoleservice;1"]
.getService(Components.interfaces.nsIConsoleService);
// Not all builds have a known ABI
try {
gABI = gApp.XPCOMABI;
}
catch (e) {
LOG("UpdateService", "XPCOM ABI unknown: updates are not possible.");
}
var osVersion;
var sysInfo = Components.classes["@mozilla.org/system-info;1"]
.getService(Components.interfaces.nsIPropertyBag2);
try {
osVersion = sysInfo.getProperty("name") + " " + sysInfo.getProperty("version");
}
catch (e) {
LOG("UpdateService", "OS Version unknown: updates are not possible.");
}
if (osVersion) {
try {
osVersion += " (" + sysInfo.getProperty("secondaryLibrary") + ")";
}
catch (e) {
// Not all platforms have a secondary widget library, so an error is nothing to worry about.
}
gOSVersion = encodeURIComponent(osVersion);
}
//@line 1079 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
// Start the update timer only after a profile has been selected so that the
// appropriate values for the update check are read from the user's profile.
var os = getObserverService();
os.addObserver(this, "profile-after-change", false);
// Observe xpcom-shutdown to unhook pref branch observers above to avoid
// shutdown leaks.
os.addObserver(this, "xpcom-shutdown", false);
}
UpdateService.prototype = {
/**
* The downloader we are using to download updates. There is only ever one of
* these.
*/
_downloader: null,
/**
* Handle Observer Service notifications
* @param subject
* The subject of the notification
* @param topic
* The notification name
* @param data
* Additional data
*/
observe: function(subject, topic, data) {
var os = getObserverService();
switch (topic) {
case "profile-after-change":
os.removeObserver(this, "profile-after-change");
this._start();
break;
case "xpcom-shutdown":
os.removeObserver(this, "xpcom-shutdown");
// Release Services
gApp = null;
gPref = null;
gConsole = null;
break;
}
},
/**
* Start the Update Service
*/
_start: function() {
// Start logging
this._initLoggingPrefs();
// Clean up any extant updates
this._postUpdateProcessing();
// Register a background update check timer
var tm =
Components.classes["@mozilla.org/updates/timer-manager;1"]
.getService(Components.interfaces.nsIUpdateTimerManager);
var interval = getPref("getIntPref", PREF_APP_UPDATE_INTERVAL, 86400);
tm.registerTimer("background-update-timer", this, interval);
// Resume fetching...
var um = Components.classes["@mozilla.org/updates/update-manager;1"]
.getService(Components.interfaces.nsIUpdateManager);
var activeUpdate = um.activeUpdate;
if (activeUpdate) {
var status = this.downloadUpdate(activeUpdate, true);
if (status == STATE_NONE)
cleanupActiveUpdate();
}
},
/**
* Perform post-processing on updates lingering in the updates directory
* from a previous browser session - either report install failures (and
* optionally attempt to fetch a different version if appropriate) or
* notify the user of install success.
*/
_postUpdateProcessing: function() {
// Detect installation failures and notify
// Bail out if we don't have appropriate permissions
if (!this.canUpdate)
return;
var status = readStatusFile(getUpdatesDir());
// Make sure to cleanup after an update that failed for an unknown reason
if (status == "null")
status = null;
var updRootKey = null;
//@line 1175 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
function findPreviousUpdate(key) {
var updateDir = getUpdatesDir(key);
if (updateDir.exists()) {
status = readStatusFile(updateDir);
// Previous download should succeed. Otherwise, we will not be here!
if (status == STATE_SUCCEEDED)
updRootKey = key;
else
status = null;
}
}
// required when updating from Fx 2.0.0.1 to 2.0.0.3 (or later)
// on Windows Vista.
if (status == null)
findPreviousUpdate(KEY_UAPPDATA);
// required to migrate from older versions.
if (status == null)
findPreviousUpdate(KEY_APPDIR);
//@line 1196 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
if (status == STATE_DOWNLOADING) {
LOG("UpdateService", "_postUpdateProcessing: Downloading patch, resuming...");
}
else if (status != null) {
// null status means the update.status file is not present, because either:
// 1) no update was performed, and so there's no UI to show
// 2) an update was attempted but failed during checking, transfer or
// verification, and was cleaned up at that point, and UI notifying of
// that error was shown at that stage.
var um =
Components.classes["@mozilla.org/updates/update-manager;1"].
getService(Components.interfaces.nsIUpdateManager);
var prompter =
Components.classes["@mozilla.org/updates/update-prompt;1"].
createInstance(Components.interfaces.nsIUpdatePrompt);
var shouldCleanup = true;
var update = um.activeUpdate;
if (!update) {
update = new Update(null);
}
update.state = status;
var sbs =
Components.classes["@mozilla.org/intl/stringbundle;1"].
getService(Components.interfaces.nsIStringBundleService);
var bundle = sbs.createBundle(URI_UPDATES_PROPERTIES);
if (status == STATE_SUCCEEDED) {
update.statusText = bundle.GetStringFromName("installSuccess");
// Dig through the update history to find the patch that was just
// installed and update its metadata.
for (var i = 0; i < um.updateCount; ++i) {
var umUpdate = um.getUpdateAt(i);
if (umUpdate && umUpdate.version == update.version &&
umUpdate.buildID == update.buildID) {
umUpdate.statusText = update.statusText;
break;
}
}
LOG("UpdateService", "_postUpdateProcessing: Install Succeeded, Showing UI");
prompter.showUpdateInstalled(update);
//@line 1243 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
// Perform platform-specific post-update processing.
if (POST_UPDATE_CONTRACTID in Components.classes) {
Components.classes[POST_UPDATE_CONTRACTID].
createInstance(Components.interfaces.nsIRunnable).run();
}
//@line 1249 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
// Done with this update. Clean it up.
cleanupActiveUpdate(updRootKey);
}
else {
// If we hit an error, then the error code will be included in the
// status string following a colon. If we had an I/O error, then we
// assume that the patch is not invalid, and we restage the patch so
// that it can be attempted again the next time we restart.
var ary = status.split(": ");
update.state = ary[0];
if (update.state == STATE_FAILED && ary[1]) {
update.errorCode = ary[1];
if (update.errorCode == WRITE_ERROR) {
prompter.showUpdateError(update);
writeStatusFile(getUpdatesDir(), update.state = STATE_PENDING);
return;
}
}
// Something went wrong with the patch application process.
cleanupActiveUpdate();
update.statusText = bundle.GetStringFromName("patchApplyFailure");
var oldType = update.selectedPatch ? update.selectedPatch.type
: "complete";
if (update.selectedPatch && oldType == "partial") {
// Partial patch application failed, try downloading the complete
// update in the background instead.
LOG("UpdateService", "_postUpdateProcessing: Install of Partial Patch " +
"failed, downloading Complete Patch and maybe showing UI");
var status = this.downloadUpdate(update, true);
if (status == STATE_NONE)
cleanupActiveUpdate();
}
else {
LOG("UpdateService", "_postUpdateProcessing: Install of Complete or " +
"only patch failed. Showing error.");
}
update.QueryInterface(Components.interfaces.nsIWritablePropertyBag);
update.setProperty("patchingFailed", oldType);
prompter.showUpdateError(update);
}
}
else {
LOG("UpdateService", "_postUpdateProcessing: No Status, No Update");
}
},
/**
* Initialize Logging preferences, formatted like so:
* app.update.log.<moduleName> = <true|false>
*/
_initLoggingPrefs: function() {
try {
var ps = Components.classes["@mozilla.org/preferences-service;1"]
.getService(Components.interfaces.nsIPrefService);
var logBranch = ps.getBranch(PREF_APP_UPDATE_LOG_BRANCH);
var modules = logBranch.getChildList("", { value: 0 });
for (var i = 0; i < modules.length; ++i) {
if (logBranch.prefHasUserValue(modules[i]))
gLogEnabled[modules[i]] = logBranch.getBoolPref(modules[i]);
}
}
catch (e) {
}
},
/**
* Notified when a timer fires
* @param timer
* The timer that fired
*/
notify: function(timer) {
// If a download is in progress, then do nothing.
if (this.isDownloading || this._downloader && this._downloader.patchIsStaged)
return;
var self = this;
var listener = {
/**
* See nsIUpdateService.idl
*/
onProgress: function(request, position, totalSize) {
},
/**
* See nsIUpdateService.idl
*/
onCheckComplete: function(request, updates, updateCount) {
self._selectAndInstallUpdate(updates);
},
/**
* See nsIUpdateService.idl
*/
onError: function(request, update) {
LOG("Checker", "Error during background update: " + update.statusText);
},
}
this.backgroundChecker.checkForUpdates(listener, false);
},
/**
* Determine whether or not an update requires user confirmation before it
* can be installed.
* @param update
* The update to be installed
* @returns true if a prompt UI should be shown asking the user if they want
* to install the update, false if the update should just be
* silently downloaded and installed.
*/
_shouldPrompt: function(update) {
// There are two possible outcomes here:
// 1. download and install the update automatically
// 2. alert the user about the presence of an update before doing anything
//
// The outcome we follow is determined as follows:
//
// Note: all Major updates require notification and confirmation
//
// Update Type Mode Incompatible Outcome
// Major 0 Yes or No Notify and Confirm
// Major 1 No Notify and Confirm
// Major 1 Yes Notify and Confirm
// Major 2 Yes or No Notify and Confirm
// Minor 0 Yes or No Auto Install
// Minor 1 No Auto Install
// Minor 1 Yes Notify and Confirm
// Minor 2 No Auto Install
// Minor 2 Yes Notify and Confirm
//
// In addition, if there is a license associated with an update, regardless
// of type it must be agreed to.
//
// If app.update.enabled is set to false, an update check is not performed
// at all, and so none of the decision making above is entered into.
//
if (update.type == "major") {
LOG("Checker", "_shouldPrompt: Prompting because it is a major update");
return true;
}
update.QueryInterface(Components.interfaces.nsIPropertyBag);
try {
var licenseAccepted = update.getProperty("licenseAccepted") == "true";
}
catch (e) {
licenseAccepted = false;
}
var updateEnabled = getPref("getBoolPref", PREF_APP_UPDATE_ENABLED, true);
if (!updateEnabled) {
LOG("Checker", "_shouldPrompt: Not prompting because update is " +
"disabled");
return false;
}
// User has turned off automatic download and install
var autoEnabled = getPref("getBoolPref", PREF_APP_UPDATE_AUTO, true);
if (!autoEnabled) {
LOG("Checker", "_shouldPrompt: Prompting because auto install is disabled");
return true;
}
switch (getPref("getIntPref", PREF_APP_UPDATE_MODE, 1)) {
case 1:
// Mode 1 is do not prompt only if there are no incompatibilities
// releases
LOG("Checker", "_shouldPrompt: Prompting if there are incompatibilities");
return !isCompatible(update);
case 2:
// Mode 2 is do not prompt only if there are no incompatibilities
LOG("Checker", "_shouldPrompt: Prompting if there are incompatibilities");
return !isCompatible(update);
}
// Mode 0 is do not prompt regardless of incompatibilities
LOG("Checker", "_shouldPrompt: Not prompting the user - they choose to " +
"ignore incompatibilities");
return false;
},
/**
* Determine which of the specified updates should be installed.
* @param updates
* An array of available updates
*/
selectUpdate: function(updates) {
if (updates.length == 0)
return null;
// Choose the newest of the available minor and major updates.
var majorUpdate = null, minorUpdate = null;
var newestMinor = updates[0], newestMajor = updates[0];
var vc = Components.classes["@mozilla.org/xpcom/version-comparator;1"]
.getService(Components.interfaces.nsIVersionComparator);
for (var i = 0; i < updates.length; ++i) {
if (updates[i].type == "major" &&
vc.compare(newestMajor.version, updates[i].version) <= 0)
majorUpdate = newestMajor = updates[i];
if (updates[i].type == "minor" &&
vc.compare(newestMinor.version, updates[i].version) <= 0)
minorUpdate = newestMinor = updates[i];
}
// IMPORTANT
// If there's a minor update, always try and fetch that one first,
// otherwise use the newest major update.
// selectUpdate() only returns one update.
// if major were to trump minor, and we said "never" to the major
// we'd never get the minor update, since selectUpdate()
// would return the major update that the user said "never" to
// (shadowing the important minor update with security fixes)
return minorUpdate || majorUpdate;
},
/**
* Determine which of the specified updates should be installed and
* begin the download/installation process, optionally prompting the
* user for permission if required.
* @param updates
* An array of available updates
*/
_selectAndInstallUpdate: function(updates) {
// Don't prompt if there's an active update - the user is already
// aware and is downloading, or performed some user action to prevent
// notification.
var um = Components.classes["@mozilla.org/updates/update-manager;1"]
.getService(Components.interfaces.nsIUpdateManager);
if (um.activeUpdate)
return;
var update = this.selectUpdate(updates, updates.length);
if (!update)
return;
// check if the user said "never" to this version
// this check is done here, and not in selectUpdate() so that
// the user can get an upgrade they said "never" to if they
// manually do "Check for Updates..."
// note, selectUpdate() only returns one update.
// but in selectUpdate(), minor updates trump major updates
// if major trumps minor, and we said "never" to the major
// we'd never see the minor update.
//
// note, the never decision should only apply to major updates
// see bug #350636 for a scenario where this could potentially
// be an issue
//
// fix for bug #359093
// version might one day come back from AUS as an
// arbitrary (and possibly non ascii) string, so we need to encode it
var neverPrefName = PREF_UPDATE_NEVER_BRANCH + encodeURIComponent(update.version);
var never = getPref("getBoolPref", neverPrefName, false);
if (never && update.type == "major")
return;
if (this._shouldPrompt(update))
showPromptIfNoIncompatibilities(update);
else {
LOG("UpdateService", "_selectAndInstallUpdate: No need to show prompt, just download update");
var status = this.downloadUpdate(update, true);
if (status == STATE_NONE)
cleanupActiveUpdate();
}
},
/**
* The Checker used for background update checks.
*/
_backgroundChecker: null,
/**
* See nsIUpdateService.idl
*/
get backgroundChecker() {
if (!this._backgroundChecker)
this._backgroundChecker = new Checker();
return this._backgroundChecker;
},
/**
* See nsIUpdateService.idl
*/
get canUpdate() {
try {
var appDirFile = getUpdateFile([FILE_PERMS_TEST]);
LOG("UpdateService", "canUpdate? testing " + appDirFile.path);
if (!appDirFile.exists()) {
appDirFile.create(nsILocalFile.NORMAL_FILE_TYPE, PERMS_FILE);
appDirFile.remove(false);
}
var updateDir = getUpdatesDir();
var upDirFile = updateDir.clone();
upDirFile.append(FILE_PERMS_TEST);
LOG("UpdateService", "canUpdate? testing " + upDirFile.path);
if (!upDirFile.exists()) {
upDirFile.create(nsILocalFile.NORMAL_FILE_TYPE, PERMS_FILE);
upDirFile.remove(false);
}
//@line 1552 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
var sysInfo =
Components.classes["@mozilla.org/system-info;1"]
.getService(Components.interfaces.nsIPropertyBag2);
// Example windowsVersion: Windows XP == 5.1
var windowsVersion = sysInfo.getProperty("version");
LOG("UpdateService", "canUpdate? windowsVersion = " + windowsVersion);
// For Vista, updates can be performed to a location requiring
// admin privileges by requesting elevation via the UAC prompt when
// launching updater.exe if the appDir is under the Program Files
// directory (e.g. C:\Program Files\) and UAC is turned on and
// we can elevate (e.g. user has a split token)
//
// Note: this does note attempt to handle the case where UAC is
// turned on and the installation directory is in a restricted
// location that requires admin privileges to update other than
// Program Files.
var userCanElevate = false;
if (parseFloat(windowsVersion) >= 6) {
try {
var fileLocator =
Components.classes["@mozilla.org/file/directory_service;1"]
.getService(Components.interfaces.nsIProperties);
// KEY_UPDROOT will fail and throw an exception if
// appDir is not under the Program Files, so we rely on that
var dir = fileLocator.get(KEY_UPDROOT, Components.interfaces.nsIFile);
// appDir is under Program Files, so check if the user can elevate
userCanElevate =
gApp.QueryInterface(Components.interfaces.nsIWinAppHelper)
.userCanElevate;
LOG("UpdateService",
"canUpdate? on Vista, userCanElevate = " + userCanElevate);
}
catch (ex) {
// When the installation directory is not under Program Files,
// fall through to checking if write access to the
// installation directory is available.
LOG("UpdateService",
"canUpdate? on Vista, appDir is not under the Program Files");
}
}
// On Windows, we no longer store the update under the app dir
// if the app dir is under C:\Program Files.
//
// If we are on Windows (including Vista, if we can't elevate)
// we need to check that
// we can create and remove files from the actual app directory
// (like C:\Program Files\Mozilla Firefox). If we can't
// (because this user is not an adminstrator, for example)
// canUpdate() should return false.
//
// For Vista, we perform this check to enable updating the
// application when the user has write access to the installation
// directory under the following scenarios:
// 1) the installation directory is not under Program Files
// (e.g. C:\Program Files)
// 2) UAC is turned off
// 3) UAC is turned on and the user is not an admin
// (e.g. the user does not have a split token)
// 4) UAC is turned on and the user is already elevated,
// so they can't be elevated again.
if (!userCanElevate) {
// if we're unable to create the test file
// the code below will throw an exception
var actualAppDir = getDir(KEY_APPDIR, []);
var actualAppDirFile = actualAppDir.clone();
actualAppDirFile.append(FILE_PERMS_TEST);
LOG("UpdateService", "canUpdate? testing " + actualAppDirFile.path);
if (!actualAppDirFile.exists()) {
actualAppDirFile.create(nsILocalFile.NORMAL_FILE_TYPE, PERMS_FILE);
actualAppDirFile.remove(false);
}
}
//@line 1630 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
}
catch (e) {
LOG("UpdateService", "can't update, no privileges: " + e);
// No write privileges to install directory
return false;
}
// If the administrator has locked the app update functionality
// OFF - this is not just a user setting, so disable the manual
// UI too.
var enabled = getPref("getBoolPref", PREF_APP_UPDATE_ENABLED, true);
if (!enabled && gPref.prefIsLocked(PREF_APP_UPDATE_ENABLED)) {
LOG("UpdateService", "can't update, disabled by pref");
return false;
}
// If we don't know the binary platform we're updating, we can't update.
if (!gABI) {
LOG("UpdateService", "can't update, unknown ABI");
return false;
}
// If we don't know the OS version we're updating, we can't update.
if (!gOSVersion) {
LOG("UpdateService", "can't update, unknown OS version");
return false;
}
LOG("UpdateService", "can update");
return true;
},
/**
* See nsIUpdateService.idl
*/
addDownloadListener: function(listener) {
if (!this._downloader) {
LOG("UpdateService", "addDownloadListener: no downloader!\n");
return;
}
this._downloader.addDownloadListener(listener);
},
/**
* See nsIUpdateService.idl
*/
removeDownloadListener: function(listener) {
if (!this._downloader) {
LOG("UpdateService", "removeDownloadListener: no downloader!\n");
return;
}
this._downloader.removeDownloadListener(listener);
},
/**
* See nsIUpdateService.idl
*/
downloadUpdate: function(update, background) {
if (!update)
throw Components.results.NS_ERROR_NULL_POINTER;
if (this.isDownloading) {
if (update.isCompleteUpdate == this._downloader.isCompleteUpdate &&
background == this._downloader.background) {
LOG("UpdateService", "no support for downloading more than one update at a time");
return readStatusFile(getUpdatesDir());
}
this._downloader.cancel();
}
this._downloader = new Downloader(background);
return this._downloader.downloadUpdate(update);
},
/**
* See nsIUpdateService.idl
*/
pauseDownload: function() {
if (this.isDownloading)
this._downloader.cancel();
},
/**
* See nsIUpdateService.idl
*/
get isDownloading() {
return this._downloader && this._downloader.isBusy;
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIApplicationUpdateService) &&
!iid.equals(Components.interfaces.nsITimerCallback) &&
!iid.equals(Components.interfaces.nsIObserver) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
/**
* A service to manage active and past updates.
* @constructor
*/
function UpdateManager() {
// Ensure the Active Update file is loaded
var updates = this._loadXMLFileIntoArray(getUpdateFile([FILE_UPDATE_ACTIVE]));
if (updates.length > 0)
this._activeUpdate = updates[0];
}
UpdateManager.prototype = {
/**
* All previously downloaded and installed updates, as an array of nsIUpdate
* objects.
*/
_updates: null,
/**
* The current actively downloading/installing update, as a nsIUpdate object.
*/
_activeUpdate: null,
/**
* Loads an updates.xml formatted file into an array of nsIUpdate items.
* @param file
* A nsIFile for the updates.xml file
* @returns The array of nsIUpdate items held in the file.
*/
_loadXMLFileIntoArray: function(file) {
if (!file.exists()) {
LOG("UpdateManager", "_loadXMLFileIntoArray: XML File does not exist");
return [];
}
var result = [];
var fileStream = Components.classes["@mozilla.org/network/file-input-stream;1"]
.createInstance(Components.interfaces.nsIFileInputStream);
fileStream.init(file, MODE_RDONLY, PERMS_FILE, 0);
try {
var parser = Components.classes["@mozilla.org/xmlextras/domparser;1"]
.createInstance(Components.interfaces.nsIDOMParser);
var doc = parser.parseFromStream(fileStream, "UTF-8", fileStream.available(), "text/xml");
var updateCount = doc.documentElement.childNodes.length;
for (var i = 0; i < updateCount; ++i) {
var updateElement = doc.documentElement.childNodes.item(i);
if (updateElement.nodeType != Node.ELEMENT_NODE ||
updateElement.localName != "update")
continue;
updateElement.QueryInterface(Components.interfaces.nsIDOMElement);
try {
var update = new Update(updateElement);
} catch (e) {
LOG("UpdateManager", "_loadXMLFileIntoArray: invalid update");
continue;
}
result.push(new Update(updateElement));
}
}
catch (e) {
LOG("UpdateManager", "_loadXMLFileIntoArray: Error constructing update list " +
e);
}
fileStream.close();
return result;
},
/**
* Load the update manager, initializing state from state files.
*/
_ensureUpdates: function() {
if (!this._updates) {
this._updates = this._loadXMLFileIntoArray(getUpdateFile(
[FILE_UPDATES_DB]));
// Make sure that any active update is part of our updates list
var active = this.activeUpdate;
if (active)
this._addUpdate(active);
}
},
/**
* See nsIUpdateService.idl
*/
getUpdateAt: function(index) {
this._ensureUpdates();
return this._updates[index];
},
/**
* See nsIUpdateService.idl
*/
get updateCount() {
this._ensureUpdates();
return this._updates.length;
},
/**
* See nsIUpdateService.idl
*/
get activeUpdate() {
if (this._activeUpdate &&
this._activeUpdate.channel != getUpdateChannel()) {
// User switched channels, clear out any old active updates and remove
// partial downloads
this._activeUpdate = null;
// Destroy the updates directory, since we're done with it.
cleanUpUpdatesDir();
}
return this._activeUpdate;
},
set activeUpdate(activeUpdate) {
this._addUpdate(activeUpdate);
this._activeUpdate = activeUpdate;
if (!activeUpdate) {
// If |activeUpdate| is null, we have updated both lists - the active list
// and the history list, so we want to write both files.
this.saveUpdates();
}
else
this._writeUpdatesToXMLFile([this._activeUpdate],
getUpdateFile([FILE_UPDATE_ACTIVE]));
return activeUpdate;
},
/**
* Add an update to the Updates list. If the item already exists in the list,
* replace the existing value with the new value.
* @param update
* The nsIUpdate object to add.
*/
_addUpdate: function(update) {
if (!update)
return;
this._ensureUpdates();
if (this._updates) {
for (var i = 0; i < this._updates.length; ++i) {
if (this._updates[i] &&
this._updates[i].version == update.version &&
this._updates[i].buildID == update.buildID) {
// Replace the existing entry with the new value, updating
// all metadata.
this._updates[i] = update;
return;
}
}
}
// Otherwise add it to the front of the list.
if (update)
this._updates = [update].concat(this._updates);
},
/**
* Serializes an array of updates to an XML file
* @param updates
* An array of nsIUpdate objects
* @param file
* The nsIFile object to serialize to
*/
_writeUpdatesToXMLFile: function(updates, file) {
var fos = Components.classes["@mozilla.org/network/safe-file-output-stream;1"]
.createInstance(Components.interfaces.nsIFileOutputStream);
var modeFlags = MODE_WRONLY | MODE_CREATE | MODE_TRUNCATE;
if (!file.exists())
file.create(nsILocalFile.NORMAL_FILE_TYPE, PERMS_FILE);
fos.init(file, modeFlags, PERMS_FILE, 0);
try {
var parser = Components.classes["@mozilla.org/xmlextras/domparser;1"]
.createInstance(Components.interfaces.nsIDOMParser);
const EMPTY_UPDATES_DOCUMENT = "<?xml version=\"1.0\"?><updates xmlns=\"http://www.mozilla.org/2005/app-update\"></updates>";
var doc = parser.parseFromString(EMPTY_UPDATES_DOCUMENT, "text/xml");
for (var i = 0; i < updates.length; ++i) {
if (updates[i])
doc.documentElement.appendChild(updates[i].serialize(doc));
}
var serializer = Components.classes["@mozilla.org/xmlextras/xmlserializer;1"]
.createInstance(Components.interfaces.nsIDOMSerializer);
serializer.serializeToStream(doc.documentElement, fos, null);
}
catch (e) {
}
closeSafeOutputStream(fos);
},
/**
* See nsIUpdateService.idl
*/
saveUpdates: function() {
this._writeUpdatesToXMLFile([this._activeUpdate],
getUpdateFile([FILE_UPDATE_ACTIVE]));
if (this._updates) {
this._writeUpdatesToXMLFile(this._updates.slice(0, 10),
getUpdateFile([FILE_UPDATES_DB]));
}
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIUpdateManager) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
/**
* Checker
* Checks for new Updates
* @constructor
*/
function Checker() {
}
Checker.prototype = {
/**
* The XMLHttpRequest object that performs the connection.
*/
_request : null,
/**
* The nsIUpdateCheckListener callback
*/
_callback : null,
/**
* The URL of the update service XML file to connect to that contains details
* about available updates.
*/
getUpdateURL: function(force) {
this._forced = force;
var defaults =
gPref.QueryInterface(Components.interfaces.nsIPrefService).
getDefaultBranch(null);
// Use the override URL if specified.
var url = getPref("getCharPref", PREF_APP_UPDATE_URL_OVERRIDE, null);
// Otherwise, construct the update URL from component parts.
if (!url) {
try {
url = defaults.getCharPref(PREF_APP_UPDATE_URL);
} catch (e) {
}
}
if (!url || url == "") {
LOG("Checker", "Update URL not defined");
return null;
}
url = url.replace(/%PRODUCT%/g, gApp.name);
url = url.replace(/%VERSION%/g, gApp.version);
url = url.replace(/%BUILD_ID%/g, gApp.appBuildID);
url = url.replace(/%BUILD_TARGET%/g, gApp.OS + "_" + gABI);
url = url.replace(/%OS_VERSION%/g, gOSVersion);
url = url.replace(/%LOCALE%/g, getLocale());
url = url.replace(/%CHANNEL%/g, getUpdateChannel());
url = url.replace(/%PLATFORM_VERSION%/g, gApp.platformVersion);
url = url.replace(/%DISTRIBUTION%/g,
getDistributionPrefValue(PREF_APP_DISTRIBUTION));
url = url.replace(/%DISTRIBUTION_VERSION%/g,
getDistributionPrefValue(PREF_APP_DISTRIBUTION_VERSION));
url = url.replace(/\+/g, "%2B");
if (force)
url += "?force=1"
LOG("Checker", "update url: " + url);
return url;
},
/**
* See nsIUpdateService.idl
*/
checkForUpdates: function(listener, force) {
if (!listener)
throw Components.results.NS_ERROR_NULL_POINTER;
if (!this.getUpdateURL(force) || (!this.enabled && !force))
return;
this._request =
Components.classes["@mozilla.org/xmlextras/xmlhttprequest;1"].
createInstance(Components.interfaces.nsIXMLHttpRequest);
this._request.open("GET", this.getUpdateURL(force), true);
this._request.channel.notificationCallbacks = new BadCertHandler();
this._request.overrideMimeType("text/xml");
this._request.setRequestHeader("Cache-Control", "no-cache");
var self = this;
this._request.onerror = function(event) { self.onError(event); };
this._request.onload = function(event) { self.onLoad(event); };
this._request.onprogress = function(event) { self.onProgress(event); };
LOG("Checker", "checkForUpdates: sending request to " + this.getUpdateURL(force));
this._request.send(null);
this._callback = listener;
},
/**
* When progress associated with the XMLHttpRequest is received.
* @param event
* The nsIDOMLSProgressEvent for the load.
*/
onProgress: function(event) {
LOG("Checker", "onProgress: " + event.position + "/" + event.totalSize);
this._callback.onProgress(event.target, event.position, event.totalSize);
},
/**
* Returns an array of nsIUpdate objects discovered by the update check.
*/
get _updates() {
var updatesElement = this._request.responseXML.documentElement;
if (!updatesElement) {
LOG("Checker", "get_updates: empty updates document?!");
return [];
}
if (updatesElement.nodeName != "updates") {
LOG("Checker", "get_updates: unexpected node name!");
throw "";
}
var updates = [];
for (var i = 0; i < updatesElement.childNodes.length; ++i) {
var updateElement = updatesElement.childNodes.item(i);
if (updateElement.nodeType != Node.ELEMENT_NODE ||
updateElement.localName != "update")
continue;
updateElement.QueryInterface(Components.interfaces.nsIDOMElement);
try {
var update = new Update(updateElement);
} catch (e) {
LOG("Checker", "Invalid <update/>, ignoring...");
continue;
}
update.serviceURL = this.getUpdateURL(this._forced);
update.channel = getUpdateChannel();
updates.push(update);
}
return updates;
},
/**
* The XMLHttpRequest succeeded and the document was loaded.
* @param event
* The nsIDOMLSEvent for the load
*/
onLoad: function(event) {
LOG("Checker", "onLoad: request completed downloading document");
try {
checkCert(this._request.channel);
// Analyze the resulting DOM and determine the set of updates to install
var updates = this._updates;
LOG("Checker", "Updates available: " + updates.length);
// ... and tell the Update Service about what we discovered.
this._callback.onCheckComplete(event.target, updates, updates.length);
}
catch (e) {
LOG("Checker", "There was a problem with the update service URL specified, " +
"either the XML file was malformed or it does not exist at the location " +
"specified. Exception: " + e);
var update = new Update(null);
update.statusText = getStatusTextFromCode(404, 404);
this._callback.onError(event.target, update);
}
this._request = null;
},
/**
* There was an error of some kind during the XMLHttpRequest
* @param event
* The nsIDOMLSEvent for the load
*/
onError: function(event) {
LOG("Checker", "onError: error during load");
var request = event.target;
try {
var status = request.status;
}
catch (e) {
var req = request.channel.QueryInterface(Components.interfaces.nsIRequest);
status = req.status;
}
// If we can't find an error string specific to this status code,
// just use the 200 message from above, which means everything
// "looks" fine but there was probably an XML error or a bogus file.
var update = new Update(null);
update.statusText = getStatusTextFromCode(status, 200);
this._callback.onError(request, update);
this._request = null;
},
/**
* Whether or not we are allowed to do update checking.
*/
_enabled: true,
/**
* See nsIUpdateService.idl
*/
get enabled() {
var aus =
Components.classes["@mozilla.org/updates/update-service;1"].
getService(Components.interfaces.nsIApplicationUpdateService);
var enabled = getPref("getBoolPref", PREF_APP_UPDATE_ENABLED, true) &&
aus.canUpdate && this._enabled;
return enabled;
},
/**
* See nsIUpdateService.idl
*/
stopChecking: function(duration) {
// Always stop the current check
if (this._request)
this._request.abort();
const nsIUpdateChecker = Components.interfaces.nsIUpdateChecker;
switch (duration) {
case nsIUpdateChecker.CURRENT_SESSION:
this._enabled = false;
break;
case nsIUpdateChecker.ANY_CHECKS:
this._enabled = false;
gPref.setBoolPref(PREF_APP_UPDATE_ENABLED, this._enabled);
break;
}
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIUpdateChecker) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
/**
* Manages the download of updates
* @param background
* Whether or not this downloader is operating in background
* update mode.
* @constructor
*/
function Downloader(background) {
this.background = background;
}
Downloader.prototype = {
/**
* The nsIUpdatePatch that we are downloading
*/
_patch: null,
/**
* The nsIUpdate that we are downloading
*/
_update: null,
/**
* The nsIIncrementalDownload object handling the download
*/
_request: null,
/**
* Whether or not the update being downloaded is a complete replacement of
* the user's existing installation or a patch representing the difference
* between the new version and the previous version.
*/
isCompleteUpdate: null,
/**
* Cancels the active download.
*/
cancel: function() {
if (this._request &&
this._request instanceof Components.interfaces.nsIRequest) {
const NS_BINDING_ABORTED = 0x804b0002;
this._request.cancel(NS_BINDING_ABORTED);
}
},
/**
* Whether or not a patch has been downloaded and staged for installation.
*/
get patchIsStaged() {
return readStatusFile(getUpdatesDir()) == STATE_PENDING;
},
/**
* Verify the downloaded file. We assume that the download is complete at
* this point.
*/
_verifyDownload: function() {
if (!this._request)
return false;
var destination = this._request.destination;
// Ensure that the file size matches the expected file size.
if (destination.fileSize != this._patch.size)
return false;
var fileStream = Components.classes["@mozilla.org/network/file-input-stream;1"].
createInstance(nsIFileInputStream);
fileStream.init(destination, MODE_RDONLY, PERMS_FILE, 0);
try {
var hash = Components.classes["@mozilla.org/security/hash;1"].
createInstance(nsICryptoHash);
var hashFunction = nsICryptoHash[this._patch.hashFunction.toUpperCase()];
if (hashFunction == undefined)
throw Components.results.NS_ERROR_UNEXPECTED;
hash.init(hashFunction);
hash.updateFromStream(fileStream, -1);
// NOTE: For now, we assume that the format of _patch.hashValue is hex
// encoded binary (such as what is typically output by programs like
// sha1sum). In the future, this may change to base64 depending on how
// we choose to compute these hashes.
digest = binaryToHex(hash.finish(false));
} catch (e) {
LOG("Downloader", "failed to compute hash of downloaded update archive");
digest = "";
}
fileStream.close();
return digest == this._patch.hashValue.toLowerCase();
},
/**
* Select the patch to use given the current state of updateDir and the given
* set of update patches.
* @param update
* A nsIUpdate object to select a patch from
* @param updateDir
* A nsIFile representing the update directory
* @returns A nsIUpdatePatch object to download
*/
_selectPatch: function(update, updateDir) {
// Given an update to download, we will always try to download the patch
// for a partial update over the patch for a full update.
/**
* Return the first UpdatePatch with the given type.
* @param type
* The type of the patch ("complete" or "partial")
* @returns A nsIUpdatePatch object matching the type specified
*/
function getPatchOfType(type) {
for (var i = 0; i < update.patchCount; ++i) {
var patch = update.getPatchAt(i);
if (patch && patch.type == type)
return patch;
}
return null;
}
// Look to see if any of the patches in the Update object has been
// pre-selected for download, otherwise we must figure out which one
// to select ourselves.
var selectedPatch = update.selectedPatch;
var state = readStatusFile(updateDir);
// If this is a patch that we know about, then select it. If it is a patch
// that we do not know about, then remove it and use our default logic.
var useComplete = false;
if (selectedPatch) {
LOG("Downloader", "found existing patch [state="+state+"]");
switch (state) {
case STATE_DOWNLOADING:
LOG("Downloader", "resuming download");
return selectedPatch;
case STATE_PENDING:
LOG("Downloader", "already downloaded and staged");
return null;
default:
// Something went wrong when we tried to apply the previous patch.
// Try the complete patch next time.
if (update && selectedPatch.type == "partial") {
useComplete = true;
} else {
// This is a pretty fatal error. Just bail.
LOG("Downloader", "failed to apply complete patch!");
writeStatusFile(updateDir, STATE_NONE);
return null;
}
}
selectedPatch = null;
}
// If we were not able to discover an update from a previous download, we
// select the best patch from the given set.
var partialPatch = getPatchOfType("partial");
if (!useComplete)
selectedPatch = partialPatch;
if (!selectedPatch) {
if (partialPatch)
partialPatch.selected = false;
selectedPatch = getPatchOfType("complete");
}
// Restore the updateDir since we may have deleted it.
updateDir = getUpdatesDir();
// if update only contains a partial patch, selectedPatch == null here if
// the partial patch has been attempted and fails and we're trying to get a
// complete patch
if (selectedPatch)
selectedPatch.selected = true;
update.isCompleteUpdate = useComplete;
// Reset the Active Update object on the Update Manager and flush the
// Active Update DB.
var um = Components.classes["@mozilla.org/updates/update-manager;1"]
.getService(Components.interfaces.nsIUpdateManager);
um.activeUpdate = update;
return selectedPatch;
},
/**
* Whether or not we are currently downloading something.
*/
get isBusy() {
return this._request != null;
},
/**
* Download and stage the given update.
* @param update
* A nsIUpdate object to download a patch for. Cannot be null.
*/
downloadUpdate: function(update) {
if (!update)
throw Components.results.NS_ERROR_NULL_POINTER;
var updateDir = getUpdatesDir();
this._update = update;
// This function may return null, which indicates that there are no patches
// to download.
this._patch = this._selectPatch(update, updateDir);
if (!this._patch) {
LOG("Downloader", "no patch to download");
return readStatusFile(updateDir);
}
this.isCompleteUpdate = this._patch.type == "complete";
var patchFile = updateDir.clone();
patchFile.append(FILE_UPDATE_ARCHIVE);
var ios = Components.classes["@mozilla.org/network/io-service;1"].
getService(Components.interfaces.nsIIOService);
var uri = ios.newURI(this._patch.URL, null, null);
this._request =
Components.classes["@mozilla.org/network/incremental-download;1"].
createInstance(nsIIncrementalDownload);
LOG("Downloader", "downloadUpdate: Downloading from " + uri.spec + " to " +
patchFile.path);
var interval = this.background ? DOWNLOAD_BACKGROUND_INTERVAL
: DOWNLOAD_FOREGROUND_INTERVAL;
this._request.init(uri, patchFile, DOWNLOAD_CHUNK_SIZE, interval);
this._request.start(this, null);
writeStatusFile(updateDir, STATE_DOWNLOADING);
this._patch.QueryInterface(Components.interfaces.nsIWritablePropertyBag);
this._patch.state = STATE_DOWNLOADING;
var um = Components.classes["@mozilla.org/updates/update-manager;1"]
.getService(Components.interfaces.nsIUpdateManager);
um.saveUpdates();
return STATE_DOWNLOADING;
},
/**
* An array of download listeners to notify when we receive
* nsIRequestObserver or nsIProgressEventSink method calls.
*/
_listeners: [],
/**
* Adds a listener to the download process
* @param listener
* A download listener, implementing nsIRequestObserver and
* nsIProgressEventSink
*/
addDownloadListener: function(listener) {
for (var i = 0; i < this._listeners.length; ++i) {
if (this._listeners[i] == listener)
return;
}
this._listeners.push(listener);
},
/**
* Removes a download listener
* @param listener
* The listener to remove.
*/
removeDownloadListener: function(listener) {
for (var i = 0; i < this._listeners.length; ++i) {
if (this._listeners[i] == listener) {
this._listeners.splice(i, 1);
return;
}
}
},
/**
* When the async request begins
* @param request
* The nsIRequest object for the transfer
* @param context
* Additional data
*/
onStartRequest: function(request, context) {
request.QueryInterface(nsIIncrementalDownload);
LOG("Downloader", "onStartRequest: " + request.URI.spec);
var listenerCount = this._listeners.length;
for (var i = 0; i < listenerCount; ++i)
this._listeners[i].onStartRequest(request, context);
},
/**
* When new data has been downloaded
* @param request
* The nsIRequest object for the transfer
* @param context
* Additional data
* @param progress
* The current number of bytes transferred
* @param maxProgress
* The total number of bytes that must be transferred
*/
onProgress: function(request, context, progress, maxProgress) {
request.QueryInterface(nsIIncrementalDownload);
LOG("Downloader.onProgress", "onProgress: " + request.URI.spec + ", " + progress + "/" + maxProgress);
var listenerCount = this._listeners.length;
for (var i = 0; i < listenerCount; ++i) {
var listener = this._listeners[i];
if (listener instanceof Components.interfaces.nsIProgressEventSink)
listener.onProgress(request, context, progress, maxProgress);
}
},
/**
* When we have new status text
* @param request
* The nsIRequest object for the transfer
* @param context
* Additional data
* @param status
* A status code
* @param statusText
* Human readable version of |status|
*/
onStatus: function(request, context, status, statusText) {
request.QueryInterface(nsIIncrementalDownload);
LOG("Downloader", "onStatus: " + request.URI.spec + " status = " + status + ", text = " + statusText);
var listenerCount = this._listeners.length;
for (var i = 0; i < listenerCount; ++i) {
var listener = this._listeners[i];
if (listener instanceof Components.interfaces.nsIProgressEventSink)
listener.onStatus(request, context, status, statusText);
}
},
/**
* When data transfer ceases
* @param request
* The nsIRequest object for the transfer
* @param context
* Additional data
* @param status
* Status code containing the reason for the cessation.
*/
onStopRequest: function(request, context, status) {
request.QueryInterface(nsIIncrementalDownload);
LOG("Downloader", "onStopRequest: " + request.URI.spec + ", status = " + status);
var state = this._patch.state;
var shouldShowPrompt = false;
var deleteActiveUpdate = false;
const NS_BINDING_ABORTED = 0x804b0002;
const NS_ERROR_ABORT = 0x80004004;
if (Components.isSuccessCode(status)) {
var sbs =
Components.classes["@mozilla.org/intl/stringbundle;1"].
getService(Components.interfaces.nsIStringBundleService);
var updateStrings = sbs.createBundle(URI_UPDATES_PROPERTIES);
if (this._verifyDownload()) {
state = STATE_PENDING;
// We only need to explicitly show the prompt if this is a backround
// download, since otherwise some kind of UI is already visible and
// that UI will notify.
if (this.background)
shouldShowPrompt = true;
// Tell the updater.exe we're ready to apply.
writeStatusFile(getUpdatesDir(), state);
this._update.installDate = (new Date()).getTime();
this._update.statusText = updateStrings.
GetStringFromName("installPending");
} else {
LOG("Downloader", "onStopRequest: download verification failed");
state = STATE_DOWNLOAD_FAILED;
var brandStrings = sbs.createBundle(URI_BRAND_PROPERTIES);
var brandShortName = brandStrings.GetStringFromName("brandShortName");
this._update.statusText = updateStrings.
formatStringFromName("verificationError", [brandShortName], 1);
// TODO: use more informative error code here
status = Components.results.NS_ERROR_UNEXPECTED;
var message = getStatusTextFromCode("verification_failed",
"verification_failed");
this._update.statusText = message;
if (this._update.isCompleteUpdate)
deleteActiveUpdate = true;
// Destroy the updates directory, since we're done with it.
cleanUpUpdatesDir();
}
}
else if (status != NS_BINDING_ABORTED &&
status != NS_ERROR_ABORT) {
LOG("Downloader", "onStopRequest: Non-verification failure");
// Some sort of other failure, log this in the |statusText| property
state = STATE_DOWNLOAD_FAILED;
// XXXben - if |request| (The Incremental Download) provided a means
// for accessing the http channel we could do more here.
const NS_BINDING_FAILED = 2152398849;
this._update.statusText = getStatusTextFromCode(status,
NS_BINDING_FAILED);
// Destroy the updates directory, since we're done with it.
cleanUpUpdatesDir();
deleteActiveUpdate = true;
}
LOG("Downloader", "Setting state to: " + state);
this._patch.state = state;
var um =
Components.classes["@mozilla.org/updates/update-manager;1"].
getService(Components.interfaces.nsIUpdateManager);
if (deleteActiveUpdate) {
this._update.installDate = (new Date()).getTime();
um.activeUpdate = null;
}
um.saveUpdates();
var listenerCount = this._listeners.length;
for (var i = 0; i < listenerCount; ++i)
this._listeners[i].onStopRequest(request, context, status);
this._request = null;
if (state == STATE_DOWNLOAD_FAILED) {
if (!this._update.isCompleteUpdate) {
var allFailed = true;
// If we were downloading a patch and the patch verification phase
// failed, log this and then commence downloading the complete update.
LOG("Downloader", "onStopRequest: Verification of patch failed, downloading complete update");
this._update.isCompleteUpdate = true;
var status = this.downloadUpdate(this._update);
if (status == STATE_NONE) {
cleanupActiveUpdate();
} else {
allFailed = false;
}
// This will reset the |.state| property on this._update if a new
// download initiates.
}
// if we still fail after trying a complete download, give up completely
if (allFailed) {
// In all other failure cases, i.e. we're S.O.L. - no more failing over
// ...
// If this was ever a foreground download, and now there is no UI active
// (e.g. because the user closed the download window) and there was an
// error, we must notify now. Otherwise we can keep the failure to
// ourselves since the user won't be expecting it.
try {
this._update.QueryInterface(Components.interfaces.nsIWritablePropertyBag);
var fgdl = this._update.getProperty("foregroundDownload");
}
catch (e) {
}
if (fgdl == "true") {
var prompter =
Components.classes["@mozilla.org/updates/update-prompt;1"].
createInstance(Components.interfaces.nsIUpdatePrompt);
this._update.QueryInterface(Components.interfaces.nsIWritablePropertyBag);
this._update.setProperty("downloadFailed", "true");
prompter.showUpdateError(this._update);
}
}
// the complete download succeeded or total failure was handled, so exit
return;
}
// Do this after *everything* else, since it will likely cause the app
// to shut down.
if (shouldShowPrompt) {
// Notify the user that an update has been downloaded and is ready for
// installation (i.e. that they should restart the application). We do
// not notify on failed update attempts.
var prompter =
Components.classes["@mozilla.org/updates/update-prompt;1"].
createInstance(Components.interfaces.nsIUpdatePrompt);
prompter.showUpdateDownloaded(this._update, true);
}
},
/**
* See nsIInterfaceRequestor.idl
*/
getInterface: function(iid) {
// The network request may require proxy authentication, so provide the
// default nsIAuthPrompt if requested.
if (iid.equals(Components.interfaces.nsIAuthPrompt)) {
var prompt =
Components.classes["@mozilla.org/network/default-auth-prompt;1"].
createInstance();
return prompt.QueryInterface(iid);
}
throw Components.results.NS_ERROR_NO_INTERFACE;
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIRequestObserver) &&
!iid.equals(Components.interfaces.nsIProgressEventSink) &&
!iid.equals(Components.interfaces.nsIInterfaceRequestor) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
/**
* A manager for update check timers. Manages timers that fire over long
* periods of time (e.g. days, weeks).
* @constructor
*/
function TimerManager() {
getObserverService().addObserver(this, "xpcom-shutdown", false);
const nsITimer = Components.interfaces.nsITimer;
this._timer = Components.classes["@mozilla.org/timer;1"]
.createInstance(nsITimer);
var timerInterval = getPref("getIntPref", PREF_APP_UPDATE_TIMER, 600000);
this._timer.initWithCallback(this, timerInterval,
nsITimer.TYPE_REPEATING_SLACK);
}
TimerManager.prototype = {
/**
* See nsIObserver.idl
*/
observe: function(subject, topic, data) {
if (topic == "xpcom-shutdown") {
getObserverService().removeObserver(this, "xpcom-shutdown");
// Release everything we hold onto.
for (var timerID in this._timers)
delete this._timers[timerID];
this._timer = null;
this._timers = null;
}
},
/**
* The Checker Timer
*/
_timer: null,
/**
* The set of registered timers.
*/
_timers: { },
/**
* Called when the checking timer fires.
* @param timer
* The checking timer that fired.
*/
notify: function(timer) {
for (var timerID in this._timers) {
var timerData = this._timers[timerID];
var lastUpdateTime = timerData.lastUpdateTime;
var now = Math.round(Date.now() / 1000);
// Fudge the lastUpdateTime by some random increment of the update
// check interval (e.g. some random slice of 10 minutes) so that when
// the time comes to check, we offset each client request by a random
// amount so they don't all hit at once. app.update.timer is in milliseconds,
// whereas app.update.lastUpdateTime is in seconds
var timerInterval = getPref("getIntPref", PREF_APP_UPDATE_TIMER, 600000);
lastUpdateTime += Math.round(Math.random() * timerInterval / 1000);
if ((now - lastUpdateTime) > timerData.interval &&
timerData.callback instanceof Components.interfaces.nsITimerCallback) {
timerData.callback.notify(timer);
timerData.lastUpdateTime = now;
var preference = PREF_APP_UPDATE_LASTUPDATETIME_FMT.replace(/%ID%/, timerID);
gPref.setIntPref(preference, now);
}
}
},
/**
* See nsIUpdateService.idl
*/
registerTimer: function(id, callback, interval) {
var preference = PREF_APP_UPDATE_LASTUPDATETIME_FMT.replace(/%ID%/, id);
var now = Math.round(Date.now() / 1000);
var lastUpdateTime = null;
if (gPref.prefHasUserValue(preference)) {
lastUpdateTime = gPref.getIntPref(preference);
} else {
gPref.setIntPref(preference, now);
lastUpdateTime = now;
}
this._timers[id] = { callback : callback,
interval : interval,
lastUpdateTime : lastUpdateTime };
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIUpdateTimerManager) &&
!iid.equals(Components.interfaces.nsITimerCallback) &&
!iid.equals(Components.interfaces.nsIObserver) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
//@line 2817 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
/**
* UpdatePrompt
* An object which can prompt the user with information about updates, request
* action, etc. Embedding clients can override this component with one that
* invokes a native front end.
* @constructor
*/
function UpdatePrompt() {
}
UpdatePrompt.prototype = {
/**
* See nsIUpdateService.idl
*/
checkForUpdates: function() {
this._showUI(null, URI_UPDATE_PROMPT_DIALOG, null, "Update:Wizard",
null, null);
},
/**
* See nsIUpdateService.idl
*/
showUpdateAvailable: function(update) {
if (!this._enabled)
return;
var bundle = this._updateBundle;
var stringsPrefix = "updateAvailable_" + update.type + ".";
var title = bundle.formatStringFromName(stringsPrefix + "title", [update.name], 1);
var text = bundle.GetStringFromName(stringsPrefix + "text");
var imageUrl = "";
this._showUnobtrusiveUI(null, URI_UPDATE_PROMPT_DIALOG, null,
"Update:Wizard", "updatesavailable", update,
title, text, imageUrl);
},
/**
* See nsIUpdateService.idl
*/
showUpdateDownloaded: function(update, background) {
if (background) {
if (!this._enabled)
return;
var bundle = this._updateBundle;
var stringsPrefix = "updateDownloaded_" + update.type + ".";
var title = bundle.formatStringFromName(stringsPrefix + "title", [update.name], 1);
var text = bundle.GetStringFromName(stringsPrefix + "text");
var imageUrl = "";
this._showUnobtrusiveUI(null, URI_UPDATE_PROMPT_DIALOG, null,
"Update:Wizard", "finishedBackground", update,
title, text, imageUrl);
} else {
this._showUI(null, URI_UPDATE_PROMPT_DIALOG, null,
"Update:Wizard", "finishedBackground", update);
}
},
/**
* See nsIUpdateService.idl
*/
showUpdateInstalled: function(update) {
var showUpdateInstalledUI = getPref("getBoolPref",
PREF_APP_UPDATE_SHOW_INSTALLED_UI, true);
if (this._enabled && showUpdateInstalledUI) {
this._showUI(null, URI_UPDATE_PROMPT_DIALOG, null, "Update:Wizard",
"installed", update);
}
},
/**
* See nsIUpdateService.idl
*/
showUpdateError: function(update) {
if (this._enabled) {
// In some cases, we want to just show a simple alert dialog:
if (update.state == STATE_FAILED && update.errorCode == WRITE_ERROR) {
var updateBundle = this._updateBundle;
var title = updateBundle.GetStringFromName("updaterIOErrorTitle");
var text = updateBundle.formatStringFromName("updaterIOErrorMsg",
[gApp.name, gApp.name], 2);
var ww =
Components.classes["@mozilla.org/embedcomp/window-watcher;1"].
getService(Components.interfaces.nsIWindowWatcher);
ww.getNewPrompter(null).alert(title, text);
} else {
this._showUI(null, URI_UPDATE_PROMPT_DIALOG, null, "Update:Wizard",
"errors", update);
}
}
},
/**
* See nsIUpdateService.idl
*/
showUpdateHistory: function(parent) {
this._showUI(parent, URI_UPDATE_HISTORY_DIALOG, "modal,dialog=yes", "Update:History",
null, null);
},
/**
* Whether or not we are enabled (i.e. not in Silent mode)
*/
get _enabled() {
return !getPref("getBoolPref", PREF_APP_UPDATE_SILENT, false);
},
get _updateBundle() {
return Components.classes["@mozilla.org/intl/stringbundle;1"]
.getService(Components.interfaces.nsIStringBundleService)
.createBundle(URI_UPDATES_PROPERTIES);
},
/**
* Initiate a less obtrusive UI, starting with a non-modal notification alert
* @param parent
* A parent window, can be null
* @param uri
* The URI string of the dialog to show
* @param name
* The Window Name of the dialog to show, in case it is already open
* and can merely be focused
* @param page
* The page of the wizard to be displayed, if one is already open.
* @param update
* An update to pass to the UI in the window arguments.
* Can be null
* @param title
* The title for the notification alert.
* @param text
* The contents of the notification alert.
* @param imageUrl
* A URL identifying the image to put in the notification alert.
*/
_showUnobtrusiveUI: function(parent, uri, features, name, page, update,
title, text, imageUrl) {
var observer = {
updatePrompt: this,
service: null,
timer: null,
notify: function () {
// the user hasn't restarted yet => prompt when idle
this.service.removeObserver(this, "quit-application");
this.updatePrompt._showUIWhenIdle(parent, uri, features, name, page, update);
},
observe: function (aSubject, aTopic, aData) {
switch (aTopic) {
case "alertclickcallback":
this.updatePrompt._showUI(parent, uri, features, name, page, update);
// fall thru
case "quit-application":
this.timer.cancel();
this.service.removeObserver(this, "quit-application");
break;
}
}
};
try {
var notifier = Components.classes["@mozilla.org/alerts-service;1"]
.getService(Components.interfaces.nsIAlertsService);
notifier.showAlertNotification(imageUrl, title, text, true, "", observer);
}
catch (e) {
// Failed to retrieve alerts service, platform unsupported
this._showUIWhenIdle(parent, uri, features, name, page, update);
return;
}
observer.service =
Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
observer.service.addObserver(observer, "quit-application", false);
// Give the user x seconds to react before showing the big UI
var promptWaitTime = getPref("getIntPref", PREF_APP_UPDATE_PROMPTWAITTIME, 43200);
observer.timer =
Components.classes["@mozilla.org/timer;1"]
.createInstance(Components.interfaces.nsITimer);
observer.timer.initWithCallback(observer, promptWaitTime * 1000,
observer.timer.TYPE_ONE_SHOT);
},
/**
* Show the UI when the user was idle
* @param parent
* A parent window, can be null
* @param uri
* The URI string of the dialog to show
* @param name
* The Window Name of the dialog to show, in case it is already open
* and can merely be focused
* @param page
* The page of the wizard to be displayed, if one is already open.
* @param update
* An update to pass to the UI in the window arguments.
* Can be null
*/
_showUIWhenIdle: function(parent, uri, features, name, page, update) {
var idleService =
Components.classes["@mozilla.org/widget/idleservice;1"]
.getService(Components.interfaces.nsIIdleService);
const IDLE_TIME = getPref("getIntPref", PREF_APP_UPDATE_IDLETIME, 60);
if (idleService.idleTime / 1000 >= IDLE_TIME) {
this._showUI(parent, uri, features, name, page, update);
} else {
var observerService =
Components.classes["@mozilla.org/observer-service;1"]
.getService(Components.interfaces.nsIObserverService);
var observer = {
updatePrompt: this,
observe: function (aSubject, aTopic, aData) {
switch (aTopic) {
case "idle":
this.updatePrompt._showUI(parent, uri, features, name, page, update);
// fall thru
case "quit-application":
idleService.removeIdleObserver(this, IDLE_TIME);
observerService.removeObserver(this, "quit-application");
break;
}
}
};
idleService.addIdleObserver(observer, IDLE_TIME);
observerService.addObserver(observer, "quit-application", false);
}
},
/**
* Show the Update Checking UI
* @param parent
* A parent window, can be null
* @param uri
* The URI string of the dialog to show
* @param name
* The Window Name of the dialog to show, in case it is already open
* and can merely be focused
* @param page
* The page of the wizard to be displayed, if one is already open.
* @param update
* An update to pass to the UI in the window arguments.
* Can be null
*/
_showUI: function(parent, uri, features, name, page, update) {
var ary = null;
if (update) {
ary = Components.classes["@mozilla.org/supports-array;1"]
.createInstance(Components.interfaces.nsISupportsArray);
ary.AppendElement(update);
}
var wm = Components.classes["@mozilla.org/appshell/window-mediator;1"]
.getService(Components.interfaces.nsIWindowMediator);
var win = wm.getMostRecentWindow(name);
if (win) {
if (page && "setCurrentPage" in win)
win.setCurrentPage(page);
win.focus();
}
else {
var openFeatures = "chrome,centerscreen,dialog=no,resizable=no,titlebar,toolbar=no";
if (features)
openFeatures += "," + features;
var ww = Components.classes["@mozilla.org/embedcomp/window-watcher;1"]
.getService(Components.interfaces.nsIWindowWatcher);
ww.openWindow(parent, uri, "", openFeatures, ary);
}
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIUpdatePrompt) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
//@line 3095 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
var gModule = {
registerSelf: function(componentManager, fileSpec, location, type) {
componentManager = componentManager.QueryInterface(Components.interfaces.nsIComponentRegistrar);
for (var key in this._objects) {
var obj = this._objects[key];
componentManager.registerFactoryLocation(obj.CID, obj.className, obj.contractID,
fileSpec, location, type);
}
// Make the Update Service a startup observer
var categoryManager = Components.classes["@mozilla.org/categorymanager;1"]
.getService(Components.interfaces.nsICategoryManager);
categoryManager.addCategoryEntry("app-startup", this._objects.service.className,
"service," + this._objects.service.contractID,
true, true);
},
getClassObject: function(componentManager, cid, iid) {
if (!iid.equals(Components.interfaces.nsIFactory))
throw Components.results.NS_ERROR_NOT_IMPLEMENTED;
for (var key in this._objects) {
if (cid.equals(this._objects[key].CID))
return this._objects[key].factory;
}
throw Components.results.NS_ERROR_NO_INTERFACE;
},
_objects: {
service: { CID : Components.ID("{B3C290A6-3943-4B89-8BBE-C01EB7B3B311}"),
contractID : "@mozilla.org/updates/update-service;1",
className : "Update Service",
factory : makeFactory(UpdateService)
},
checker: { CID : Components.ID("{898CDC9B-E43F-422F-9CC4-2F6291B415A3}"),
contractID : "@mozilla.org/updates/update-checker;1",
className : "Update Checker",
factory : makeFactory(Checker)
},
//@line 3138 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
prompt: { CID : Components.ID("{27ABA825-35B5-4018-9FDD-F99250A0E722}"),
contractID : "@mozilla.org/updates/update-prompt;1",
className : "Update Prompt",
factory : makeFactory(UpdatePrompt)
},
//@line 3144 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
timers: { CID : Components.ID("{B322A5C0-A419-484E-96BA-D7182163899F}"),
contractID : "@mozilla.org/updates/timer-manager;1",
className : "Timer Manager",
factory : makeFactory(TimerManager)
},
manager: { CID : Components.ID("{093C2356-4843-4C65-8709-D7DBCBBE7DFB}"),
contractID : "@mozilla.org/updates/update-manager;1",
className : "Update Manager",
factory : makeFactory(UpdateManager)
},
},
canUnload: function(componentManager) {
return true;
}
};
/**
* Creates a factory for instances of an object created using the passed-in
* constructor.
*/
function makeFactory(ctor) {
function ci(outer, iid) {
if (outer != null)
throw Components.results.NS_ERROR_NO_AGGREGATION;
return (new ctor()).QueryInterface(iid);
}
return { createInstance: ci };
}
function NSGetModule(compMgr, fileSpec) {
return gModule;
}
/**
* Determines whether or there are installed addons which are incompatible
* with this update.
* @param update
* The update to check compatibility against
* @returns true if there are no addons installed that are incompatible with
* the specified update, false otherwise.
*/
function isCompatible(update) {
//@line 3188 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
var em =
Components.classes["@mozilla.org/extensions/manager;1"].
getService(nsIExtensionManager);
var items = em.getIncompatibleItemList("", update.extensionVersion,
update.platformVersion, nsIUpdateItem.TYPE_ANY, false, { });
return items.length == 0;
//@line 3197 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
}
/**
* Shows a prompt for an update, provided there are no incompatible addons.
* If there are, kick off an update check and see if updates are available
* that will resolve the incompatibilities.
* @param update
* The available update to show
*/
function showPromptIfNoIncompatibilities(update) {
function showPrompt(update) {
LOG("UpdateService", "_selectAndInstallUpdate: need to prompt user before continuing...");
var prompter =
Components.classes["@mozilla.org/updates/update-prompt;1"].
createInstance(Components.interfaces.nsIUpdatePrompt);
prompter.showUpdateAvailable(update);
}
//@line 3216 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
/**
* Determines if an addon is compatible with a particular update.
* @param addon
* The addon to check
* @param version
* The extensionVersion of the update to check for compatibility
* against.
* @returns true if the addon is compatible, false otherwise
*/
function addonIsCompatible(addon, version) {
var vc =
Components.classes["@mozilla.org/xpcom/version-comparator;1"].
getService(Components.interfaces.nsIVersionComparator);
return (vc.compare(version, addon.minAppVersion) >= 0) &&
(vc.compare(version, addon.maxAppVersion) <= 0);
}
/**
* An object implementing nsIAddonUpdateCheckListener that looks for
* available updates to addons and if updates are found that will make the
* user's installed addon set compatible with the update, suppresses the
* prompt that would otherwise be shown.
* @param addons
* An array of incompatible addons that are installed.
* @constructor
*/
function Listener(addons) {
this._addons = addons;
}
Listener.prototype = {
_addons: null,
/**
* See nsIUpdateService.idl
*/
onUpdateStarted: function() {
},
onUpdateEnded: function() {
// There are still incompatibilities, even after an extension update
// check to see if there were newer, compatible versions available, so
// we have to prompt.
//
// PREF_APP_UPDATE_INCOMPATIBLE_MODE controls the mode in which we
// handle incompatibilities:
// UPDATE_CHECK_NEWVERSION We count both VersionInfo updates _and_
// NewerVersion updates against the list of incompatible addons
// installed - i.e. if Foo 1.2 is installed and it is incompatible
// with the update, and we find Foo 2.0 which is but which is not
// yet downloaded or installed, then we do NOT prompt because the
// user can download Foo 2.0 when they restart after the update
// during the mismatch checking UI. This is the default, since it
// suppresses most prompt dialogs.
// UPDATE_CHECK_COMPATIBILITY We count only VersionInfo updates
// against the list of incompatible addons installed - i.e. if the
// situation above with Foo 1.2 and available update to 2.0
// applies, we DO show the prompt since a download operation will
// be required after the update. This is not the default and is
// supplied only as a hidden option for those that want it.
var mode = getPref("getIntPref", PREF_APP_UPDATE_INCOMPATIBLE_MODE,
nsIExtensionManager.UPDATE_CHECK_NEWVERSION);
if ((mode == nsIExtensionManager.UPDATE_CHECK_NEWVERSION
&& this._addons.length) || !isCompatible(update))
showPrompt(update);
},
onAddonUpdateStarted: function(addon) {
},
onAddonUpdateEnded: function(addon, status) {
const Ci = Components.interfaces;
if (status != Ci.nsIAddonUpdateCheckListener.STATUS_UPDATE)
return;
var reqVersion = addon.targetAppID == TOOLKIT_ID ?
update.platformVersion :
update.extensionVersion;
if (!addonIsCompatible(addon, reqVersion))
return;
for (var i = 0; i < this._addons.length; ++i) {
if (this._addons[i] == addon) {
this._addons.splice(i, 1);
break;
}
}
},
/**
* See nsISupports.idl
*/
QueryInterface: function(iid) {
if (!iid.equals(Components.interfaces.nsIAddonUpdateCheckListener) &&
!iid.equals(Components.interfaces.nsISupports))
throw Components.results.NS_ERROR_NO_INTERFACE;
return this;
}
};
if (!isCompatible(update)) {
var em =
Components.classes["@mozilla.org/extensions/manager;1"].
getService(nsIExtensionManager);
var items = em.getIncompatibleItemList("", update.extensionVersion,
update.platformVersion, nsIUpdateItem.TYPE_ANY, false, { });
var listener = new Listener(items);
// See documentation on |mode| above.
var mode = getPref("getIntPref", PREF_APP_UPDATE_INCOMPATIBLE_MODE,
nsIExtensionManager.UPDATE_CHECK_NEWVERSION);
em.update([], 0, mode, listener);
}
else
//@line 3325 "e:\builds\tinderbox\XR-Trunk\WINNT_5.2_Depend\mozilla\toolkit\mozapps\update\src\nsUpdateService.js.in"
showPrompt(update);
}