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/* 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/. */
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
AddonManager: "resource://gre/modules/AddonManager.sys.mjs",
FileUtils: "resource://gre/modules/FileUtils.sys.mjs",
error: "chrome://remote/content/shared/webdriver/Errors.sys.mjs",
});
// from https://developer.mozilla.org/en-US/Add-ons/Add-on_Manager/AddonManager#AddonInstall_errors
const ERRORS = {
[-1]: "ERROR_NETWORK_FAILURE: A network error occured.",
[-2]: "ERROR_INCORECT_HASH: The downloaded file did not match the expected hash.",
[-3]: "ERROR_CORRUPT_FILE: The file appears to be corrupt.",
[-4]: "ERROR_FILE_ACCESS: There was an error accessing the filesystem.",
[-5]: "ERROR_SIGNEDSTATE_REQUIRED: The addon must be signed and isn't.",
};
async function installAddon(file) {
let install = await lazy.AddonManager.getInstallForFile(file, null, {
source: "internal",
});
if (install.error) {
throw new lazy.error.UnknownError(ERRORS[install.error]);
}
return install.install().catch(err => {
throw new lazy.error.UnknownError(ERRORS[install.error]);
});
}
/** Installs addons by path and uninstalls by ID. */
export class Addon {
/**
* Install a Firefox addon.
*
* If the addon is restartless, it can be used right away. Otherwise a
* restart is required.
*
* Temporary addons will automatically be uninstalled on shutdown and
* do not need to be signed, though they must be restartless.
*
* @param {string} path
* Full path to the extension package archive.
* @param {boolean=} temporary
* True to install the addon temporarily, false (default) otherwise.
*
* @returns {Promise.<string>}
* Addon ID.
*
* @throws {UnknownError}
* If there is a problem installing the addon.
*/
static async install(path, temporary = false) {
let addon;
let file;
try {
file = new lazy.FileUtils.File(path);
} catch (e) {
throw new lazy.error.UnknownError(`Expected absolute path: ${e}`, e);
}
if (!file.exists()) {
throw new lazy.error.UnknownError(`No such file or directory: ${path}`);
}
try {
if (temporary) {
addon = await lazy.AddonManager.installTemporaryAddon(file);
} else {
addon = await installAddon(file);
}
} catch (e) {
throw new lazy.error.UnknownError(
`Could not install add-on: ${path}: ${e.message}`,
e
);
}
return addon.id;
}
/**
* Uninstall a Firefox addon.
*
* If the addon is restartless it will be uninstalled right away.
* Otherwise, Firefox must be restarted for the change to take effect.
*
* @param {string} id
* ID of the addon to uninstall.
*
* @returns {Promise}
*
* @throws {UnknownError}
* If there is a problem uninstalling the addon.
*/
static async uninstall(id) {
let candidate = await lazy.AddonManager.getAddonByID(id);
if (candidate === null) {
// `AddonManager.getAddonByID` never rejects but instead
// returns `null` if the requested addon cannot be found.
throw new lazy.error.UnknownError(`Addon ${id} is not installed`);
}
return new Promise(resolve => {
let listener = {
onOperationCancelled: addon => {
if (addon.id === candidate.id) {
lazy.AddonManager.removeAddonListener(listener);
throw new lazy.error.UnknownError(
`Uninstall of ${candidate.id} has been canceled`
);
}
},
onUninstalled: addon => {
if (addon.id === candidate.id) {
lazy.AddonManager.removeAddonListener(listener);
resolve();
}
},
};
lazy.AddonManager.addAddonListener(listener);
candidate.uninstall();
});
}
}
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