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FF_arkenfox_user.js/scratchpad-scripts/troubleshooter.js

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/*** arkenfox user.js troubleshooter.js v1.6.3 ***/
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(function() {
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if ("undefined" === typeof(Services)) return alert('about:config needs to be the active tab!');
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const aPREFS = [
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/* known culprits */
'network.cookie.cookieBehavior',
'network.http.referer.XOriginPolicy',
'privacy.firstparty.isolate',
'privacy.resistFingerprinting',
'security.mixed_content.block_display_content',
'svg.disabled',
/* Storage + Cache */
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'browser.cache.offline.enable',
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'dom.storage.enabled',
'dom.storageManager.enabled',
/* Workers, Web + Push Notifications */
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'dom.caches.enabled',
'dom.push.connection.enabled',
'dom.push.enabled',
'dom.push.serverURL',
'dom.serviceWorkers.enabled',
'dom.webnotifications.enabled',
'dom.webnotifications.serviceworker.enabled',
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/* Fonts */
'browser.display.use_document_fonts',
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'font.blacklist.underline_offset',
'gfx.font_rendering.graphite.enabled',
'gfx.font_rendering.opentype_svg.enabled',
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'layout.css.font-loading-api.enabled',
/* Misc */
'browser.link.open_newwindow.restriction',
'canvas.capturestream.enabled',
'dom.event.clipboardevents.enabled',
'dom.event.contextmenu.enabled',
'dom.IntersectionObserver.enabled',
'dom.popup_allowed_events',
'full-screen-api.enabled',
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'intl.accept_languages',
'javascript.options.asmjs',
'javascript.options.wasm',
'permissions.default.shortcuts',
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/* Hardware */
'dom.vr.enabled',
'media.ondevicechange.enabled',
/* Audio + Video */
'dom.webaudio.enabled',
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'media.autoplay.default', // FF63+
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'media.autoplay.blocking_policy', // FF78+
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/* Forms */
'browser.formfill.enable',
'signon.autofillForms',
'signon.formlessCapture.enabled',
/* HTTPS */
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'security.cert_pinning.enforcement_level',
'security.family_safety.mode',
'security.OCSP.require',
'security.pki.sha1_enforcement_level',
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'security.ssl.require_safe_negotiation',
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'security.ssl.treat_unsafe_negotiation_as_broken',
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'security.ssl3.dhe_rsa_aes_128_sha',
'security.ssl3.dhe_rsa_aes_256_sha',
'security.ssl3.ecdhe_ecdsa_aes_128_sha',
'security.ssl3.ecdhe_rsa_aes_128_sha',
'security.ssl3.rsa_aes_128_sha',
'security.ssl3.rsa_aes_256_sha',
'security.ssl3.rsa_des_ede3_sha',
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'security.tls.enable_0rtt_data',
'security.tls.version.max',
'security.tls.version.min',
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/* Plugins + Flash */
'plugin.default.state',
'plugin.state.flash',
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/* unlikely to cause problems */
'dom.popup_maximum',
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'geo.provider.network.url',
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'layout.css.visited_links_enabled',
'mathml.disabled',
'network.auth.subresource-http-auth-allow',
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'network.http.redirection-limit',
'network.protocol-handler.external.ms-windows-store',
'privacy.trackingprotection.enabled',
'security.data_uri.block_toplevel_data_uri_navigations',
'privacy.window.name.update.enabled', // FF82+
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'last.one.without.comma'
]
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// any runtime-set pref that everyone will have and that can be safely reset
const oFILLER = { type: 64, name: 'app.update.lastUpdateTime.browser-cleanup-thumbnails', value: 1580000000 };
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function getMyList(arr) {
const aRet = [];
for (const sPname of arr) {
if (Services.prefs.prefHasUserValue(sPname)) {
const ptype = Services.prefs.getPrefType(sPname);
switch (ptype) {
case 32: // string (see https://dxr.mozilla.org/mozilla-central/source/modules/libpref/nsIPrefBranch.idl#31)
aRet.push({'type':ptype,'name':sPname,'value':Services.prefs.getCharPref(sPname)});
break;
case 64: // int
aRet.push({'type':ptype,'name':sPname,'value':Services.prefs.getIntPref(sPname)});
break;
case 128: // boolean
aRet.push({'type':ptype,'name':sPname,'value':Services.prefs.getBoolPref(sPname)});
break;
default:
console.log("error detecting pref-type for '"+sPname+"' !");
}
}
}
return aRet;
}
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function reapply(arr) {
for (const oPref of arr) {
switch (oPref.type) {
case 32: // string
Services.prefs.setCharPref(oPref.name, oPref.value);
break;
case 64: // int
Services.prefs.setIntPref(oPref.name, oPref.value);
break;
case 128: // boolean
Services.prefs.setBoolPref(oPref.name, oPref.value);
break;
default:
console.log("error re-appyling value for '"+oPref.name+"' !"); // should never happen
}
}
}
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function myreset(arr) {
for (const oPref of arr) Services.prefs.clearUserPref(oPref.name);
}
function resetAllMatchingDefault(arr) {
const aTmp = getMyList(arr);
myreset(aTmp);
reapply(aTmp);
}
function _main(aALL) {
const _h = (arr) => Math.ceil(arr.length/2);
let aTmp = aALL, aDbg = aALL;
reapply(aALL);
myreset(aTmp.slice(0, _h(aTmp)));
while (aTmp.length) {
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alert("NOW TEST AGAIN !");
if (confirm("if the problem still exists click OK, otherwise click cancel.")) {
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aTmp = aTmp.slice(_h(aTmp));
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} else {
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aTmp = aTmp.slice(0, _h(aTmp));
aDbg = aTmp; // update narrowed down list
if (aDbg.length == 1) break;
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}
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reapply(aALL);
myreset(aTmp.slice(0, _h(aTmp))); // reset half of the remaining prefs
}
reapply(aALL);
if (aDbg.length == 1) return alert("narrowed it down to:\n\n"+aDbg[0].name+"\n");
if (aDbg.length == aALL.length) {
let msg = "Failed to narrow it down beyond the initial "+aALL.length+" prefs. The problem is most likely caused by at least 2 prefs!\n\n";
msg += "Either those prefs are too far apart in the list or there are exactly 2 culprits and they just happen to be at the wrong place.\n\n";
msg += "In case it's the latter, the script can add a dummy pref and you can try again - Try again?";
if (confirm(msg)) return _main([...aALL, oFILLER]);
} else if (aDbg.length > 10 && confirm("Narrowed it down to "+aDbg.length+" prefs. Try narrowing it down further?")) {
return _main(aDbg.reverse());
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}
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alert("Narrowed it down to "+ aDbg.length.toString() +" prefs, check the console ...");
console.log("The problem is caused by 2 or more of these prefs:");
for (const oPref of aDbg) console.log(oPref.name);
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}
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resetAllMatchingDefault(aPREFS); // reset user-set prefs matching FFs default value
const aBAK = getMyList(aPREFS);
//console.log(aBAK.length, "user-set prefs from our list detected and their values stored.");
focus();
myreset(aBAK);
if (!confirm("all detected prefs reset.\n\n!! KEEP THIS PROMPT OPEN AND TEST THE SITE IN ANOTHER TAB !!\n\nIF the problem still exists, this script can't help you - click cancel to re-apply your values and exit.\n\nClick OK if your problem is fixed.")) {
reapply(aBAK);
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return;
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}
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_main(aBAK);
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})();