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Extension Releases/Support • Re: Bypass Cloudflare with Firefox Cookies

Pale Moon forum - Forum index [Unofficial] April 18, 2026
Source

**back2themoon wrote : ** Please also take a look at the Status Bar situation mentioned here ( https://forum.palemoon.org/viewtopic.ph ... 89#p272052 ). I think it occurs with this extension too.

https://forum.palemoon.org/viewtopic.php?f=71&t=32098&start=120#p272156

**tellu-white wrote : ** As for the add-on "Intercept & Modify HTTP Response" ( https://forum.palemoon.org/viewtopic.php?f=71&t=32889#p272052 ), this add-on has 4 image files for the add-on button (the ones that appear on the Pale Moon toolbar). These images have different colors and are displayed selectively, depending on the add-on's current state. Given this, the fix using the code in the "userChrome.css" file is not feasible. The remaining solution is to add class="toolbarbutton-1" to the code in the "modify_HTTP_response.xul" add-on file and to replace the image files below in the add-on's "content" folder:

modify_HTTP_response_BUTTON_BLUE.png (16x16 pixels) modify_HTTP_response_BUTTON_GREY.png (16x16 pixels) modify_HTTP_response_BUTTON_PURPLE.png (16x16 pixels) modify_HTTP_response_BUTTON_RED.png (16x16 pixels)

modify_HTTP_response_LOGO.png (32x32 pixels)

https://forum.palemoon.org/viewtopic.php?f=71&t=32098&start=120#p272255

I like the look of the toolbars with add-on buttons larger than 16x16 pixels, so I didn't change the add-on codes. Instead, I provided alternative solutions. Now I've made new workarounds for both add-ons ("Bypass Cloudflare with Firefox Cookies" and "Intercept & Modify HTTP Response") using JavaScript code instead of CSS code. This approach also works when an add-on changes the button's appearance based on the add-on's current state (see "Intercept & Modify HTTP Response").

userChrome.css

CODE:

/* * Do not remove the @namespace line -- it's required for correct functioning */@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"); /* set default namespace to XUL */hbox#fullscr-toggler { -moz-binding: url(data:text/plain;charset=utf-8;base64,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);}

bypass_cloudflare_with_firefox_cookies___change_addon_icons.uc.js

CODE:

gBrowser.addProgressListener({ onLocationChange: function(){var page_URL_for_bypass_cloudflare_with_firefox_cookies = gBrowser.contentDocument.location.href;if(page_URL_for_bypass_cloudflare_with_firefox_cookies == "about:addons"){setTimeout(function(){var arr_addons = content.document.getElementsByClassName("addon addon-view");if(arr_addons){for(var i=0; i<arr_addons.length; i++){var addon = arr_addons[i];var addon_name = addon.getAttribute("name");if(addon_name == 'Bypass Cloudflare with "Backup Browser" Cookies'){addon._icon.src = 'data:image/png;base64,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';var detail_name = content.document.getElementById("detail-name");if(detail_name){if(detail_name.innerHTML == 'Bypass Cloudflare with "Backup Browser" Cookies'){var detail_icon = content.document.getElementById("detail-icon");if(detail_icon){detail_icon.src = 'data:image/png;base64,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';}}}}}}}, 100);}}});var observer_for__bypass_cloudflare_with_firefox_cookies__addon_icons = new MutationObserver(function(){var button_on_navigator_toolbox = false;var btn_bypass_cloudflare_with_firefox_cookies = document.getElementById('btn_bypass_cloudflare_with_firefox_cookies');if(btn_bypass_cloudflare_with_firefox_cookies){btn_bypass_cloudflare_with_firefox_cookies.style.listStyleImage = "url('data:image/png;base64,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')";var navigator_toolbox = document.getElementById("navigator-toolbox");if(navigator_toolbox){var nav_bar = document.getElementById("nav-bar");if(nav_bar){var children = nav_bar.children;if(children.length > 0){for(var i=0; i<children.length; i++){var child = children[i];if(child.nodeName == "toolbarbutton"){if(child.id){if(child.id == "btn_bypass_cloudflare_with_firefox_cookies"){button_on_navigator_toolbox = true;}}}}}}}if(button_on_navigator_toolbox){try{btn_bypass_cloudflare_with_firefox_cookies.classList.remove("toolbarbutton-1");} catch(err){}} else{btn_bypass_cloudflare_with_firefox_cookies.classList.add("toolbarbutton-1");}var anonNode = document.getAnonymousNodes(btn_bypass_cloudflare_with_firefox_cookies);if(anonNode){[].forEach.call(anonNode, function(node){if(node.nodeName == 'xul:dropmarker'){node.style.listStyleImage = "url('data:image/gif;base64,R0lGODlhBQADAKECAAAAAJmZmf///////yH5BAEAAAIALAAAAAAFAAMAAAIGDB5iKdoFADs=')";}});}}});observer_for__bypass_cloudflare_with_firefox_cookies__addon_icons.observe(document.documentElement, {childList: true,subtree: true});

intercept_ &_modify_HTTP_response___change_button_icon_size.uc.js

CODE:

var observer_for__intercept_and_modify_HTTP_response__change_button_icon_size = new MutationObserver(function(){var toolbar_menubar = document.getElementById("toolbar-menubar");if(toolbar_menubar){var btn_modify_HTTP_response = document.getElementById('btn_modify_HTTP_response');if(btn_modify_HTTP_response){btn_modify_HTTP_response.classList.add("toolbarbutton-1");var children = toolbar_menubar.children;if(children.length > 0){for(var i=0; i<children.length; i++){var child = children[i];if(child.nodeName == "toolbarbutton"){if(child.id){if(child.id == "btn_modify_HTTP_response"){var anonNode = document.getAnonymousNodes(btn_modify_HTTP_response);if(anonNode){[].forEach.call(anonNode, function(node){if(node.nodeName == 'xul:image'){node.style.height = "16px";node.style.padding = "0px 3px 0px 3px";}});}}}}}}}}var navigator_toolbox = document.getElementById("navigator-toolbox");if(navigator_toolbox){var nav_bar = document.getElementById("nav-bar");if(nav_bar){var btn_modify_HTTP_response = document.getElementById('btn_modify_HTTP_response');if(btn_modify_HTTP_response){btn_modify_HTTP_response.classList.add("toolbarbutton-1");var children = nav_bar.children;if(children.length > 0){for(var i=0; i<children.length; i++){var child = children[i];if(child.nodeName == "toolbarbutton"){if(child.id){if(child.id == "btn_modify_HTTP_response"){var anonNode = document.getAnonymousNodes(btn_modify_HTTP_response);if(anonNode){var iconsize = navigator_toolbox.getAttribute("iconsize");[].forEach.call(anonNode, function(node){if(node.nodeName == 'xul:image'){if(iconsize == "small"){node.style.height = "16px";node.style.padding = "0px 3px 0px 3px";}if(iconsize == "large"){node.style.height = "26px";node.style.padding = "3px 6px 3px 6px";}}});}}}}}}}}}var addon_bar = document.getElementById("addon-bar");if(addon_bar){var btn_modify_HTTP_response = document.getElementById('btn_modify_HTTP_response');if(btn_modify_HTTP_response){btn_modify_HTTP_response.classList.add("toolbarbutton-1");var children = addon_bar.children;if(children.length > 0){for(var i=0; i<children.length; i++){var child = children[i];if(child.nodeName == "toolbarbutton"){if(child.id){if(child.id == "btn_modify_HTTP_response"){var anonNode = document.getAnonymousNodes(btn_modify_HTTP_response);if(anonNode){[].forEach.call(anonNode, function(node){if(node.nodeName == 'xul:image'){node.style.height = "16px";node.style.padding = "0px 3px 0px 3px";}});}}}}}}}}});observer_for__intercept_and_modify_HTTP_response__change_button_icon_size.observe(document.documentElement, {childList: true,subtree: true});

Screenshots:


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