gecko-dev/toolkit/webapps/LinuxNativeApp.js

342 lines
11 KiB
JavaScript

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
/**
* Constructor for the Linux native app shell
*
* @param aApp {Object} the app object provided to the install function
* @param aManifest {Object} the manifest data provided by the web app
* @param aCategories {Array} array of app categories
* @param aRegistryDir {String} (optional) path to the registry
*/
function NativeApp(aApp, aManifest, aCategories, aRegistryDir) {
CommonNativeApp.call(this, aApp, aManifest, aCategories, aRegistryDir);
this.iconFile = "icon.png";
this.webapprt = "webapprt-stub";
this.configJson = "webapp.json";
this.webappINI = "webapp.ini";
this.zipFile = "application.zip";
this.backupFiles = [ this.iconFile, this.configJson, this.webappINI ];
if (this.isPackaged) {
this.backupFiles.push(this.zipFile);
}
let xdg_data_home = Cc["@mozilla.org/process/environment;1"].
getService(Ci.nsIEnvironment).
get("XDG_DATA_HOME");
if (!xdg_data_home) {
xdg_data_home = OS.Path.join(HOME_DIR, ".local", "share");
}
// The desktop file name is: "owa-" + sanitized app name +
// "-" + manifest url hash.
this.desktopINI = OS.Path.join(xdg_data_home, "applications",
"owa-" + this.uniqueName + ".desktop");
}
NativeApp.prototype = {
__proto__: CommonNativeApp.prototype,
/**
* Creates a native installation of the web app in the OS
*
* @param aManifest {Object} the manifest data provided by the web app
* @param aZipPath {String} path to the zip file for packaged apps (undefined
* for hosted apps)
*/
install: Task.async(function*(aManifest, aZipPath) {
if (this._dryRun) {
return;
}
// If the application is already installed, this is a reinstallation.
if (WebappOSUtils.getInstallPath(this.app)) {
return yield this.prepareUpdate(aManifest, aZipPath);
}
this._setData(aManifest);
// The installation directory name is: sanitized app name +
// "-" + manifest url hash.
let installDir = OS.Path.join(HOME_DIR, "." + this.uniqueName);
let dir = getFile(TMP_DIR, this.uniqueName);
dir.createUnique(Ci.nsIFile.DIRECTORY_TYPE, PERMS_DIRECTORY);
let tmpDir = dir.path;
// Create the installation in a temporary directory.
try {
this._copyPrebuiltFiles(tmpDir);
yield this._createConfigFiles(tmpDir);
if (aZipPath) {
yield OS.File.move(aZipPath, OS.Path.join(tmpDir, this.zipFile));
}
yield this._getIcon(tmpDir);
} catch (ex) {
yield OS.File.removeDir(tmpDir, { ignoreAbsent: true });
throw ex;
}
// Apply the installation.
this._removeInstallation(true, installDir);
try {
yield this._applyTempInstallation(tmpDir, installDir);
} catch (ex) {
this._removeInstallation(false, installDir);
yield OS.File.removeDir(tmpDir, { ignoreAbsent: true });
throw ex;
}
}),
/**
* Creates an update in a temporary directory to be applied later.
*
* @param aManifest {Object} the manifest data provided by the web app
* @param aZipPath {String} path to the zip file for packaged apps (undefined
* for hosted apps)
*/
prepareUpdate: Task.async(function*(aManifest, aZipPath) {
if (this._dryRun) {
return;
}
this._setData(aManifest);
let installDir = WebappOSUtils.getInstallPath(this.app);
if (!installDir) {
throw ERR_NOT_INSTALLED;
}
let baseName = OS.Path.basename(installDir)
let oldUniqueName = baseName.substring(1, baseName.length);
if (this.uniqueName != oldUniqueName) {
// Bug 919799: If the app is still in the registry, migrate its data to
// the new format.
throw ERR_UPDATES_UNSUPPORTED_OLD_NAMING_SCHEME;
}
let updateDir = OS.Path.join(installDir, "update");
yield OS.File.removeDir(updateDir, { ignoreAbsent: true });
yield OS.File.makeDir(updateDir);
try {
yield this._createConfigFiles(updateDir);
if (aZipPath) {
yield OS.File.move(aZipPath, OS.Path.join(updateDir, this.zipFile));
}
yield this._getIcon(updateDir);
} catch (ex) {
yield OS.File.removeDir(updateDir, { ignoreAbsent: true });
throw ex;
}
}),
/**
* Applies an update.
*/
applyUpdate: Task.async(function*() {
if (this._dryRun) {
return;
}
let installDir = WebappOSUtils.getInstallPath(this.app);
let updateDir = OS.Path.join(installDir, "update");
let backupDir = yield this._backupInstallation(installDir);
try {
yield this._applyTempInstallation(updateDir, installDir);
} catch (ex) {
yield this._restoreInstallation(backupDir, installDir);
throw ex;
} finally {
yield OS.File.removeDir(backupDir, { ignoreAbsent: true });
yield OS.File.removeDir(updateDir, { ignoreAbsent: true });
}
}),
_applyTempInstallation: Task.async(function*(aTmpDir, aInstallDir) {
yield moveDirectory(aTmpDir, aInstallDir);
this._createSystemFiles(aInstallDir);
}),
_removeInstallation: function(keepProfile, aInstallDir) {
let filesToRemove = [this.desktopINI];
if (keepProfile) {
for (let filePath of this.backupFiles) {
filesToRemove.push(OS.Path.join(aInstallDir, filePath));
}
filesToRemove.push(OS.Path.join(aInstallDir, this.webapprt));
} else {
filesToRemove.push(aInstallDir);
}
removeFiles(filesToRemove);
},
_backupInstallation: Task.async(function*(aInstallDir) {
let backupDir = OS.Path.join(aInstallDir, "backup");
yield OS.File.removeDir(backupDir, { ignoreAbsent: true });
yield OS.File.makeDir(backupDir);
for (let filePath of this.backupFiles) {
yield OS.File.move(OS.Path.join(aInstallDir, filePath),
OS.Path.join(backupDir, filePath));
}
return backupDir;
}),
_restoreInstallation: function(aBackupDir, aInstallDir) {
return moveDirectory(aBackupDir, aInstallDir);
},
_copyPrebuiltFiles: function(aDir) {
let destDir = getFile(aDir);
let stub = getFile(this.runtimeFolder, this.webapprt);
stub.copyTo(destDir, null);
},
/**
* Translate marketplace categories to freedesktop.org categories.
*
* @link http://standards.freedesktop.org/menu-spec/menu-spec-latest.html#category-registry
*
* @return an array of categories
*/
_translateCategories: function() {
let translations = {
"books": "Education;Literature",
"business": "Finance",
"education": "Education",
"entertainment": "Amusement",
"sports": "Sports",
"games": "Game",
"health-fitness": "MedicalSoftware",
"lifestyle": "Amusement",
"music": "Audio;Music",
"news-weather": "News",
"photo-video": "Video;AudioVideo;Photography",
"productivity": "Office",
"shopping": "Amusement",
"social": "Chat",
"travel": "Amusement",
"reference": "Science;Education;Documentation",
"maps-navigation": "Maps",
"utilities": "Utility"
};
// The trailing semicolon is needed as written in the freedesktop specification
let categories = "";
for (let category of this.categories) {
let catLower = category.toLowerCase();
if (catLower in translations) {
categories += translations[catLower] + ";";
}
}
return categories;
},
_createConfigFiles: function(aDir) {
// ${InstallDir}/webapp.json
yield writeToFile(OS.Path.join(aDir, this.configJson),
JSON.stringify(this.webappJson));
let webappsBundle = Services.strings.createBundle("chrome://global/locale/webapps.properties");
// ${InstallDir}/webapp.ini
let webappINIfile = getFile(aDir, this.webappINI);
let writer = Cc["@mozilla.org/xpcom/ini-processor-factory;1"].
getService(Ci.nsIINIParserFactory).
createINIParser(webappINIfile).
QueryInterface(Ci.nsIINIParserWriter);
writer.setString("Webapp", "Name", this.appLocalizedName);
writer.setString("Webapp", "Profile", this.uniqueName);
writer.setString("Webapp", "UninstallMsg",
webappsBundle.formatStringFromName("uninstall.notification",
[this.appLocalizedName],
1));
writer.setString("WebappRT", "InstallDir", this.runtimeFolder);
writer.writeFile();
},
_createSystemFiles: function(aInstallDir) {
let webappsBundle = Services.strings.createBundle("chrome://global/locale/webapps.properties");
let webapprtPath = OS.Path.join(aInstallDir, this.webapprt);
// $XDG_DATA_HOME/applications/owa-<webappuniquename>.desktop
let desktopINIfile = getFile(this.desktopINI);
if (desktopINIfile.parent && !desktopINIfile.parent.exists()) {
desktopINIfile.parent.create(Ci.nsIFile.DIRECTORY_TYPE, PERMS_DIRECTORY);
}
let writer = Cc["@mozilla.org/xpcom/ini-processor-factory;1"].
getService(Ci.nsIINIParserFactory).
createINIParser(desktopINIfile).
QueryInterface(Ci.nsIINIParserWriter);
writer.setString("Desktop Entry", "Name", this.appLocalizedName);
writer.setString("Desktop Entry", "Comment", this.shortDescription);
writer.setString("Desktop Entry", "Exec", '"' + webapprtPath + '"');
writer.setString("Desktop Entry", "Icon", OS.Path.join(aInstallDir,
this.iconFile));
writer.setString("Desktop Entry", "Type", "Application");
writer.setString("Desktop Entry", "Terminal", "false");
let categories = this._translateCategories();
if (categories)
writer.setString("Desktop Entry", "Categories", categories);
writer.setString("Desktop Entry", "Actions", "Uninstall;");
writer.setString("Desktop Action Uninstall", "Name", webappsBundle.GetStringFromName("uninstall.label"));
writer.setString("Desktop Action Uninstall", "Exec", webapprtPath + " -remove");
writer.writeFile();
desktopINIfile.permissions = PERMS_FILE | OS.Constants.libc.S_IXUSR;
},
/**
* Process the icon from the imageStream as retrieved from
* the URL by getIconForApp().
*
* @param aMimeType ahe icon mimetype
* @param aImageStream the stream for the image data
* @param aDir the directory where the icon should be stored
*/
_processIcon: function(aMimeType, aImageStream, aDir) {
let deferred = Promise.defer();
let imgTools = Cc["@mozilla.org/image/tools;1"].
createInstance(Ci.imgITools);
let imgContainer = imgTools.decodeImage(aImageStream, aMimeType);
let iconStream = imgTools.encodeImage(imgContainer, "image/png");
let iconFile = getFile(aDir, this.iconFile);
let outputStream = FileUtils.openSafeFileOutputStream(iconFile);
NetUtil.asyncCopy(iconStream, outputStream, function(aResult) {
if (Components.isSuccessCode(aResult)) {
deferred.resolve();
} else {
deferred.reject("Failure copying icon: " + aResult);
}
});
return deferred.promise;
}
}