diff options
Diffstat (limited to 'toolkit/components/normandy/lib/NormandyAddonManager.sys.mjs')
-rw-r--r-- | toolkit/components/normandy/lib/NormandyAddonManager.sys.mjs | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/toolkit/components/normandy/lib/NormandyAddonManager.sys.mjs b/toolkit/components/normandy/lib/NormandyAddonManager.sys.mjs new file mode 100644 index 0000000000..514e1b5198 --- /dev/null +++ b/toolkit/components/normandy/lib/NormandyAddonManager.sys.mjs @@ -0,0 +1,111 @@ +/* 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", +}); + +export const NormandyAddonManager = { + async downloadAndInstall({ + createError, + extensionDetails, + applyNormandyChanges, + undoNormandyChanges, + onInstallStarted, + reportError, + }) { + const { extension_id, hash, hash_algorithm, version, xpi } = + extensionDetails; + + const downloadDeferred = Promise.withResolvers(); + const installDeferred = Promise.withResolvers(); + + const install = await lazy.AddonManager.getInstallForURL(xpi, { + hash: `${hash_algorithm}:${hash}`, + telemetryInfo: { source: "internal" }, + }); + + const listener = { + onInstallStarted(cbInstall) { + const versionMatches = cbInstall.addon.version === version; + const idMatches = cbInstall.addon.id === extension_id; + + if (!versionMatches || !idMatches) { + installDeferred.reject(createError("metadata-mismatch")); + return false; // cancel the installation, server metadata does not match downloaded add-on + } + + if (onInstallStarted) { + return onInstallStarted(cbInstall, installDeferred); + } + + return true; + }, + + onDownloadFailed() { + downloadDeferred.reject( + createError("download-failure", { + detail: lazy.AddonManager.errorToString(install.error), + }) + ); + }, + + onDownloadEnded() { + downloadDeferred.resolve(); + return false; // temporarily pause installation for Normandy bookkeeping + }, + + onInstallFailed() { + installDeferred.reject( + createError("install-failure", { + detail: lazy.AddonManager.errorToString(install.error), + }) + ); + }, + + onInstallEnded() { + installDeferred.resolve(); + }, + }; + + install.addListener(listener); + + // Download the add-on + try { + install.install(); + await downloadDeferred.promise; + } catch (err) { + reportError(err); + install.removeListener(listener); + throw err; + } + + // Complete any book-keeping + try { + await applyNormandyChanges(install); + } catch (err) { + reportError(err); + install.removeListener(listener); + install.cancel(); + throw err; + } + + // Finish paused installation + try { + install.install(); + await installDeferred.promise; + } catch (err) { + reportError(err); + install.removeListener(listener); + await undoNormandyChanges(); + throw err; + } + + install.removeListener(listener); + + return [install.addon.id, install.addon.version]; + }, +}; |