This addon is not signed! You have to go to about:config and set xpinstall.signatures.required to false. This might be only possible on the developer and ESR versions.
The common idea is to limit the Firefox browser to functions for kiosk style (non-personal) browsing. Limit most Firefox features to convey simplicity, familiarity and principle of least astonishment.
Used in "Enterprise" deployments, schools, libraries, signs, shops and banks!
https://webconverger.org/kiosk/ shows how it is used in the Webconverger Linux distribution.
For developing you might need to set xpinstall.signatures.required
to false, like so:
cat /usr/lib/firefox/browser/defaults/preferences/webc.js
pref("xpinstall.signatures.required", false);
Found a way to circumvent the extension? Please let us know!
Many thanks to security researcher and "kiosk hacker" Paul Craig for his review.
https://addons.mozilla.org/en-US/firefox/addon/webconverger/
Copy preferences to /usr/lib/firefox/browser/defaults/preferences/webc.js
.
extensions.webconverger.showprintbutton
- boolean whether to show clickable icon to print page (alternative is ctrl+p), see https://webconverger.org/printing/extensions.webconverger.nobrand
- boolean, see new logo blogextensions.webconverger.whitelist
- comma separated domains see #25 for detailsextensions.webconverger.tabswitchinterval
- seconds between switching tabs (TODO: integrate with Neon)extensions.webconverger.kioskresetstation
- UNUSED re-implementation of https://github.com/Webconverger/webc/blob/master/usr/bin/kioskresetstationextensions.webconverger.forcesafesearch
- boolean to force searches to be safe, basically avoiding the case whereby someone searches for "boobs" on Image searchextensions.webconverger.themeURL
, for example:pref("extensions.webconverger.themeURL", "http://s.natalian.org.s3.amazonaws.com/2016-06-06/persona.json");
When used together:
extensions.webconverger.proxyusername
extensions.webconverger.proxypassword
Ensure the symlink is present:
/etc/webc/extensions/neon/content/bg.png -> /home/webc/bg.png
Add to your /usr/lib/firefox/browser/defaults/preferences/webc.js
:
pref("browser.dom.window.dump.enabled", true);
Then in your JS, use dump()
to print to stderr after running firefox http://example.com
upon a terminal.
The annoying Choose What I Share dialog is disabled in https://github.com/Webconverger/webc/blob/master/opt/firefox/browser/defaults/preferences/webconverger.js