[tor-commits] [meek/master] Add a suggested user.js file for Firefox.

[dcf@xxxxxxxxxxxxxx]

commit 2d46d0be07b18e5b1f54f0528e1c7f89516c2d2d
Author: David Fifield <david@xxxxxxxxxxxxxxx>
Date:   Sun Aug 25 19:06:02 2019 -0600

    Add a suggested user.js file for Firefox.
    
    This is copied from
    projects/tor-browser/Bundle-Data/PTConfigs/meek-http-helper-user.js in
    tor-browser-build.git commit 4792ed5246d389caad036290e9ed34ff0ae1f0ad.
---
 webextension/README          |  3 ++-
 webextension/firefox-user.js | 42 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/webextension/README b/webextension/README
index 2b40172..7cb5267 100644
--- a/webextension/README
+++ b/webextension/README
@@ -43,7 +43,8 @@ These instructions require Firefox 65.
 4. Run Firefox in a terminal so you can see its stdout. In Firefox, go
    to about:config and set
        browser.dom.window.dump.enabled=true
-   This enables the extension to write to stdout.
+   This enables the extension to write to stdout. See firefox-user.js
+   for other prefs you may want to set.
 
 5. In Firefox, go to about:debugging and click "Load Temporary
    Add-on...". Find browser/manifest.json and click Open.
diff --git a/webextension/firefox-user.js b/webextension/firefox-user.js
new file mode 100644
index 0000000..fa13a9c
--- /dev/null
+++ b/webextension/firefox-user.js
@@ -0,0 +1,42 @@
+// This is a user.js file for Firefox that sets preferences related to the
+// meek-http-helper extension. The only preference essential to the operation of
+// the extension is browser.dom.window.dump.enabled=true. The others provide
+// failsafes and disable features that are not wanted in a headless browser.
+// http://kb.mozillazine.org/User.js_file
+
+// The meek-http-helper extension uses dump to write its listening port number
+// to stdout.
+user_pref("browser.dom.window.dump.enabled", true);
+
+// Enable TLS session tickets (disabled by default in Tor Browser). Otherwise
+// there is a missing TLS extension.
+// https://trac.torproject.org/projects/tor/ticket/13442#comment:1
+user_pref("security.ssl.disable_session_identifiers", false);
+
+// Disable safe mode. In case of a crash, we don't want to prompt for a
+// safe-mode browser that has extensions disabled.
+// https://support.mozilla.org/en-US/questions/951221#answer-410562
+user_pref("toolkit.startup.max_resumed_crashes", -1);
+
+// Don't raise software update windows in this browser instance.
+// https://trac.torproject.org/projects/tor/ticket/14203
+user_pref("app.update.enabled", false);
+
+// Set a failsafe blackhole proxy of 127.0.0.1:9, to prevent network interaction
+// in case the user manages to open this profile with a normal browser UI (i.e.,
+// not headless with the meek-http-helper extension running). Port 9 is
+// "discard", so it should work as a blackhole whether the port is open or
+// closed. network.proxy.type=1 means "Manual proxy configuration".
+// http://kb.mozillazine.org/Network.proxy.type
+user_pref("network.proxy.type", 1);
+user_pref("network.proxy.socks", "127.0.0.1");
+user_pref("network.proxy.socks_port", 9);
+// Make sure DNS is also blackholed. network.proxy.socks_remote_dns is
+// overridden by meek-http-helper at startup.
+user_pref("network.proxy.socks_remote_dns", true);
+
+user_pref("extensions.enabledAddons", "meek-http-helper@xxxxxxxxxxxxxxx:1.0");
+
+// Ensure that distribution extensions (e.g., Tor Launcher) are not copied
+// into the meek-http-helper profile.
+user_pref("extensions.installDistroAddons", false);



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