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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 */
use mozprofile::preferences::Pref;
// All preferences in this file are not immediately effective, and
// require a restart of Firefox, or have to be set in the profile before
// Firefox gets started the first time. If a preference has to be added,
// which is immediately effective, it needs to be done in Marionette
// (marionette.js).
// Note: geckodriver is used out-of-tree with various builds of Firefox.
// Removing a preference from this file will cause regressions,
// so please be careful and get review from a Testing :: geckodriver peer
// before you make any changes to this file.
lazy_static! {
pub static ref DEFAULT: Vec<(&'static str, Pref)> = vec![
// Make sure Shield doesn't hit the network.
("app.normandy.api_url", Pref::new("")),
// Disable Firefox old build background check
("app.update.checkInstallTime", Pref::new(false)),
// Disable automatically upgrading Firefox
// Note: Possible update tests could reset or flip the value to allow
// updates to be downloaded and applied.
("app.update.disabledForTesting", Pref::new(true)),
// Enable the dump function, which sends messages to the system
// console
("browser.dom.window.dump.enabled", Pref::new(true)),
("", Pref::new(true)),
// Disable safebrowsing components
("browser.safebrowsing.blockedURIs.enabled", Pref::new(false)),
("browser.safebrowsing.downloads.enabled", Pref::new(false)),
("browser.safebrowsing.passwords.enabled", Pref::new(false)),
("browser.safebrowsing.malware.enabled", Pref::new(false)),
("browser.safebrowsing.phishing.enabled", Pref::new(false)),
// Do not restore the last open set of tabs if the browser crashed
("browser.sessionstore.resume_from_crash", Pref::new(false)),
// Skip check for default browser on startup
("", Pref::new(false)),
// Do not redirect user when a milestone upgrade of Firefox
// is detected
("browser.startup.homepage_override.mstone", Pref::new("ignore")),
// Start with a blank page (about:blank)
("", Pref::new(0)),
// Disable the UI tour
("browser.uitour.enabled", Pref::new(false)),
// Do not warn on quitting Firefox
("browser.warnOnQuit", Pref::new(false)),
// Defensively disable data reporting systems
("datareporting.healthreport.documentServerURI", Pref::new("http://%(server)s/dummy/healthreport/")),
("datareporting.healthreport.logging.consoleEnabled", Pref::new(false)),
("datareporting.healthreport.service.enabled", Pref::new(false)),
("datareporting.healthreport.service.firstRun", Pref::new(false)),
("datareporting.healthreport.uploadEnabled", Pref::new(false)),
// Do not show datareporting policy notifications which can
// interfere with tests
("datareporting.policy.dataSubmissionEnabled", Pref::new(false)),
("datareporting.policy.dataSubmissionPolicyBypassNotification", Pref::new(true)),
// Disable the ProcessHangMonitor
("dom.ipc.reportProcessHangs", Pref::new(false)),
// Only load extensions from the application and user profile
("extensions.autoDisableScopes", Pref::new(0)),
("extensions.enabledScopes", Pref::new(5)),
// Disable intalling any distribution extensions or add-ons
("extensions.installDistroAddons", Pref::new(false)),
// Turn off extension updates so they do not bother tests
("extensions.update.enabled", Pref::new(false)),
("extensions.update.notifyUser", Pref::new(false)),
// Allow the application to have focus even it runs in the
// background
("focusmanager.testmode", Pref::new(true)),
// Disable useragent updates
("general.useragent.updates.enabled", Pref::new(false)),
// Always use network provider for geolocation tests so we bypass
// the macOS dialog raised by the corelocation provider
("geo.provider.testing", Pref::new(true)),
// Do not scan wi-fi
("geo.wifi.scan", Pref::new(false)),
// No hang monitor
("hangmonitor.timeout", Pref::new(0)),
// Disable idle-daily notifications to avoid expensive operations
// that may cause unexpected test timeouts.
("idle.lastDailyNotification", Pref::new(-1)),
// Disable download and usage of OpenH264, and Widevine plugins
("media.gmp-manager.updateEnabled", Pref::new(false)),
// Disable the GFX sanity window
("media.sanity-test.disabled", Pref::new(true)),
// Do not automatically switch between offline and online
("network.manage-offline-status", Pref::new(false)),
// Make sure SNTP requests do not hit the network
("network.sntp.pools", Pref::new("%(server)s")),
// Disable Flash. The plugin container it is run in is
// causing problems when quitting Firefox from geckodriver,
("plugin.state.flash", Pref::new(0)),
// Don't do network connections for mitm priming
("security.certerrors.mitm.priming.enabled", Pref::new(false)),
// Ensure blocklist updates don't hit the network
("services.settings.server", Pref::new("")),
// Disable first run pages
("startup.homepage_welcome_url", Pref::new("about:blank")),
("startup.homepage_welcome_url.additional", Pref::new("")),
// asrouter expects a plain object or null
("browser.newtabpage.activity-stream.asrouter.providers.cfr", Pref::new("null")),
// TODO: Remove once minimum supported Firefox release is 93.
("browser.newtabpage.activity-stream.asrouter.providers.cfr-fxa", Pref::new("null")),
("browser.newtabpage.activity-stream.asrouter.providers.snippets", Pref::new("null")),
("browser.newtabpage.activity-stream.asrouter.providers.message-groups", Pref::new("null")),
("browser.newtabpage.activity-stream.asrouter.providers.whats-new-panel", Pref::new("null")),
("browser.newtabpage.activity-stream.asrouter.providers.messaging-experiments", Pref::new("null")),
("browser.newtabpage.activity-stream.feeds.system.topstories", Pref::new(false)),
("browser.newtabpage.activity-stream.feeds.snippets", Pref::new(false)),
("browser.newtabpage.activity-stream.tippyTop.service.endpoint", Pref::new("")),
("browser.newtabpage.activity-stream.discoverystream.config", Pref::new("[]")),
// For Activity Stream firstrun page, use an empty string to avoid fetching.
("browser.newtabpage.activity-stream.fxaccounts.endpoint", Pref::new("")),
// Prevent starting into safe mode after application crashes
("toolkit.startup.max_resumed_crashes", Pref::new(-1)),
// Disable webapp updates.
("browser.webapps.checkForUpdates", Pref::new(0)),