Removed jQuery from core scripts

README.md

@@ -92,10 +92,6 @@ We use some third-party scripts in our add-on. The authors and licenses are list
 -   [jQuery v3.4.1](https://github.com/jquery/jquery/tree/3.4.1) |
     Copyright JS Foundation and other contributors |
     [MIT](https://jquery.org/license/)
--   [sha256.jquery.plugin](https://github.com/orsozed/sha256.jquery.plugin) |
-    Copyright 2003, Christoph Bichlmeier |
-    [MIT](https://raw.github.com/orsozed/JQuery-Plugins/master/license/MIT-LICENSE.txt) |
-    [GPLv2](https://raw.github.com/orsozed/JQuery-Plugins/master/license/GPL-LICENSE.txt)
 -   [DataTables v1.10.20](https://github.com/DataTables/DataTables/tree/master) |  Copyright (c) 2008-2015 SpryMedia Limited | [MIT](https://datatables.net/license/)
 -   [Popper.js v1.16.0](https://github.com/popperjs/popper.js/tree/v1.16.0) | Copyright (c) 2016 Federico Zivolo and contributors |
     [MIT](https://github.com/popperjs/popper.js/blob/master/LICENSE.md)

_locales/en/messages.json

@@ -346,5 +346,29 @@
     "eTag_filtering_enabled_title": {
         "message": "Filters ETag headers. Hint: Cache must be cleared before first use.",
         "description": "This string is used as title for the ETag header filtering switch"
+    },
+    "popup_html_rules_status_head_title": {
+        "message": "",
+        "description": "not needed, only to prevent exceptions"
+    },
+    "popup_html_statistics_percentage_title": {
+        "message": "",
+        "description": "not needed, only to prevent exceptions"
+    },
+    "popup_html_statistics_blocked_title": {
+        "message": "",
+        "description": "not needed, only to prevent exceptions"
+    },
+    "popup_html_statistics_elements_title": {
+        "message": "",
+        "description": "not needed, only to prevent exceptions"
+    },
+    "popup_html_statistics_head_title": {
+        "message": "",
+        "description": "not needed, only to prevent exceptions"
+    },
+    "popup_html_configs_head_title": {
+        "message": "",
+        "description": "not needed, only to prevent exceptions"
     }
 }

clearurls.js

@@ -251,25 +251,32 @@ function start() {
      */
     function getHash() {
         //Get the target hash from GitLab
-        fetch(storage.hashURL)
+        const response = fetch(storage.hashURL).then(async response => {
-            .then(function (response) {
+            return {
-                const responseTextHash = response.clone().text().then(function (responseTextHash) {
+                hash: (await response.text()).trim(),
-                    if (response.ok && $.trim(responseTextHash)) {
+                status: response.status
-                        dataHash = responseTextHash;
+            };
+        });
 
-                        if ($.trim(dataHash) !== $.trim(localDataHash)) {
+        response.then(result => {
-                            fetchFromURL();
+            if (result.status === 200 && result.hash) {
-                        } else {
+                dataHash = result.hash;
-                            toObject(storage.ClearURLsData);
+
-                            storeHashStatus(1);
+                if (dataHash !== localDataHash.trim()) {
-                            saveOnDisk(['hashStatus']);
+                    fetchFromURL();
-                        }
+                } else {
-                    } else {
+                    toObject(storage.ClearURLsData);
-                        dataHash = false;
+                    storeHashStatus(1);
-                        deactivateOnFailure();
+                    saveOnDisk(['hashStatus']);
-                    }
+                }
-                });
+            } else {
-            });
+                throw "The status code was not okay or the given hash were empty.";
+            }
+        }).catch(error => {
+            console.error("[ClearURLs]: Could not download the rules hash from the given URL due to the following error: ", error);
+            dataHash = false;
+            deactivateOnFailure();
+        });
     }
 
     /*
@@ -278,29 +285,33 @@ function start() {
     * ##################################################################
     */
     function fetchFromURL() {
-        fetch(storage.ruleURL)
+        const response = fetch(storage.ruleURL).then(async response => {
-            .then(checkResponse);
+            return {
+                data: (await response.clone().text()).trim(),
+                hash: await sha256((await response.text()).trim()),
+                status: response.status
+            };
+        })
 
-        function checkResponse(response) {
+        response.then(result => {
-            const responseText = response.clone().text().then(function (responseText) {
+            if (result.status === 200 && result.data) {
-                if (response.ok && $.trim(responseText)) {
+                if (result.hash === dataHash.trim()) {
-                    const downloadedFileHash = $.sha256(responseText);
+                    storage.ClearURLsData = result.data;
-
+                    storage.dataHash = result.hash;
-                    if ($.trim(downloadedFileHash) === $.trim(dataHash)) {
+                    storeHashStatus(2);
-                        storage.ClearURLsData = responseText;
-                        storage.dataHash = downloadedFileHash;
-                        storeHashStatus(2);
-                    } else {
-                        storeHashStatus(3);
-                    }
-                    storage.ClearURLsData = JSON.parse(storage.ClearURLsData);
-                    toObject(storage.ClearURLsData);
-                    saveOnDisk(['ClearURLsData', 'dataHash', 'hashStatus']);
                 } else {
-                    deactivateOnFailure();
+                    storeHashStatus(3);
                 }
-            });
+                storage.ClearURLsData = JSON.parse(storage.ClearURLsData);
-        }
+                toObject(storage.ClearURLsData);
+                saveOnDisk(['ClearURLsData', 'dataHash', 'hashStatus']);
+            } else {
+                throw "The status code was not okay or the given rules were empty."
+            }
+        }).catch(error => {
+            console.error("[ClearURLs]: Could not download the rules from the given URL due to the following error: ", error);
+            deactivateOnFailure();
+        });
     }
 
     // ##################################################################

core_js/cleaning_tool.js

@@ -24,18 +24,18 @@ var length = 0;
 /**
 * Load only when document is ready
 */
-$(document).ready(function(){
+(function() {
     setText();
-    $('#cleaning_tool_btn').on("click", cleanURLs);
+    document.getElementById('cleaning_tool_btn').onclick = cleanURLs;
-});
+})();
 
 /**
 * This function cleans all URLs line by line in the textarea.
 */
 function cleanURLs() {
-    const cleanTArea = $('#cleanURLs');
+    const cleanTArea = document.getElementById('cleanURLs');
-    const dirtyTArea = $('#dirtyURLs');
+    const dirtyTArea = document.getElementById('dirtyURLs');
-    const urls = dirtyTArea.val().split('\n');
+    const urls = dirtyTArea.value.split('\n');
     cleanedURLs = [];
     length = urls.length;
 
@@ -46,7 +46,7 @@ function cleanURLs() {
         }).then((data) => {
             cleanedURLs.push(data.response);
             if(i >= length-1) {
-                cleanTArea.val(cleanedURLs.join('\n'));
+                cleanTArea.value= cleanedURLs.join('\n');
             }
         }, handleError);
     }
@@ -68,11 +68,11 @@ function translate(string)
 function setText()
 {
     document.title = translate('cleaning_tool_page_title');
-    $('#page_title').text(translate('cleaning_tool_page_title'));
+    document.getElementById('page_title').textContent = translate('cleaning_tool_page_title');
-    $('#cleaning_tool_description').text(translate('cleaning_tool_description'));
+    document.getElementById('cleaning_tool_description').textContent = translate('cleaning_tool_description');
-    $('#cleaning_tool_btn').text(translate('cleaning_tool_btn'));
+    document.getElementById('cleaning_tool_btn').textContent = translate('cleaning_tool_btn');
-    $('#cleaning_tool_dirty_urls_label').text(translate('cleaning_tool_dirty_urls_label'));
+    document.getElementById('cleaning_tool_dirty_urls_label').textContent = translate('cleaning_tool_dirty_urls_label');
-    $('#cleaning_tool_clean_urls_label').text(translate('cleaning_tool_clean_urls_label'));
+    document.getElementById('cleaning_tool_clean_urls_label').textContent = translate('cleaning_tool_clean_urls_label');
 }
 
 function handleError(error) {

core_js/popup.js

@@ -17,11 +17,11 @@
  */
 
 /*jshint esversion: 6 */
-var element = $("#statistics_value");
+var element = document.getElementById('statistics_value');
-var elGlobalPercentage = $("#statistics_value_global_percentage");
+var elGlobalPercentage = document.getElementById('statistics_value_global_percentage');
-var elProgressbar_blocked = $('#progress_blocked');
+var elProgressbar_blocked = document.getElementById('progress_blocked');
-var elProgressbar_non_blocked = $('#progress_non_blocked');
+var elProgressbar_non_blocked = document.getElementById('progress_non_blocked');
-var elTotal = $('#statistics_total_elements');
+var elTotal = document.getElementById('statistics_total_elements');
 var globalPercentage = 0;
 var globalCounter;
 var globalurlcounter;
@@ -55,11 +55,11 @@ function changeStatistics()
 
     if(isNaN(Number(globalPercentage))) globalPercentage = 0;
 
-    element.text(globalCounter.toLocaleString());
+    element.textContent = globalCounter.toLocaleString();
-    elGlobalPercentage.text(globalPercentage+"%");
+    elGlobalPercentage.textContent = globalPercentage+"%";
-    elProgressbar_blocked.css('width', globalPercentage+'%');
+    elProgressbar_blocked.style.width = globalPercentage+'%';
-    elProgressbar_non_blocked.css('width', (100-globalPercentage)+'%');
+    elProgressbar_non_blocked.style.width = (100-globalPercentage)+'%';
-    elTotal.text(globalurlcounter.toLocaleString());
+    elTotal.textContent = globalurlcounter.toLocaleString();
 }
 
 /**
@@ -67,14 +67,14 @@ function changeStatistics()
 */
 function setHashStatus()
 {
-    let element = $('#hashStatus');
+    let element = document.getElementById('hashStatus');
 
     if(hashStatus)
     {
-        element.text(translate(hashStatus));
+        element.textContent = translate(hashStatus);
     }
     else {
-        element.text(translate('hash_status_code_5'));
+        element.textContent = translate('hash_status_code_5');
     }
 
 }
@@ -86,14 +86,14 @@ function setHashStatus()
 */
 function changeSwitchButton(id, storageID)
 {
-    let element = $('#'+id);
+    let element = document.getElementById(id);
 
     changeVisibility(id, storageID);
 
-    element.on('change', function(){
+    element.onchange = function(){
         browser.runtime.sendMessage({
             function: "setData",
-            params: [storageID, element.is(':checked')]
+            params: [storageID, element.checked]
         }).then((data) => {
             if(storageID === "globalStatus"){
                 browser.runtime.sendMessage({
@@ -108,7 +108,7 @@ function changeSwitchButton(id, storageID)
                 params: []
             }).catch(handleError);
         }).catch(handleError);
-    });
+    };
 }
 
 /**
@@ -121,10 +121,10 @@ function changeVisibility(id, storageID)
     switch(storageID)
     {
         case "loggingStatus":
-        element = $('#log_section');
+        element = document.getElementById('log_section');
         break;
         case "statisticsStatus":
-        element = $('#statistic_section');
+        element = document.getElementById('statistic_section');
         break;
         default:
         element = "undefine";
@@ -132,14 +132,14 @@ function changeVisibility(id, storageID)
 
     if(element !== "undefine")
     {
-        if($('#'+id).is(':checked'))
+        if(document.getElementById(id).checked)
         {
-            element.css('display', '');
+            element.style.display = '';
-            element.css('display', '');
+            element.style.display = '';
         }
         else {
-            element.css('display', 'none');
+            element.style.display = 'none';
-            element.css('display', 'none');
+            element.style.display = 'none';
         }
     }
 }
@@ -151,8 +151,8 @@ function changeVisibility(id, storageID)
 */
 function setSwitchButton(id, varname)
 {
-    let element = $('#'+id);
+    const element = document.getElementById(id);
-    element.prop('checked', this[varname]);
+    element.checked = this[varname];
 }
 
 /**
@@ -180,7 +180,7 @@ function resetGlobalCounter(){
     changeStatistics();
 }
 
-$(document).ready(function(){
+(function() {
     loadData("globalCounter")
         .then(() => loadData("globalurlcounter"))
         .then(() => loadData("globalStatus"))
@@ -191,17 +191,17 @@ $(document).ready(function(){
         .then(() => loadData("getCurrentURL", "currentURL"))
         .then(() => {
             init();
-            $('#reset_counter_btn').on("click", resetGlobalCounter);
+            document.getElementById('reset_counter_btn').onclick = resetGlobalCounter;
             changeSwitchButton("globalStatus", "globalStatus");
             changeSwitchButton("tabcounter", "badgedStatus");
             changeSwitchButton("logging", "loggingStatus");
             changeSwitchButton("statistics", "statisticsStatus");
-            $('#loggingPage').attr('href', browser.extension.getURL('./html/log.html'));
+            document.getElementById('loggingPage').href = browser.extension.getURL('./html/log.html');
-            $('#settings').attr('href', browser.extension.getURL('./html/settings.html'));
+            document.getElementById('settings').href = browser.extension.getURL('./html/settings.html');
-            $('#cleaning_tools').attr('href', browser.extension.getURL('./html/cleaningTool.html'));
+            document.getElementById('cleaning_tools').href = browser.extension.getURL('./html/cleaningTool.html');
             setText();
         });
-});
+})();
 
 /**
 * Set the text for the UI.
@@ -220,7 +220,7 @@ function setText()
     injectText('configs_switch_filter','popup_html_configs_switch_filter');
     injectText('configs_head','popup_html_configs_head');
     injectText('configs_switch_statistics','configs_switch_statistics');
-    $('#donate').prop('title', translate('donate_button'));
+    document.getElementById('donate').title = translate('donate_button');
 }
 
 /**
@@ -232,8 +232,8 @@ function setText()
 */
 function injectText(id, attribute, tooltip = "")
 {
-    let object = $('#'+id);
+    const object = document.getElementById(id);
-    object.text(translate(attribute));
+    object.textContent = translate(attribute);
 
     /*
     This function will throw an error if no translation
@@ -243,7 +243,7 @@ function injectText(id, attribute, tooltip = "")
 
     if(tooltip !== "")
     {
-        object.prop('title', tooltip);
+        object.setAttribute('title', tooltip);
     }
 }
 

core_js/siteBlockedAlert.js

@@ -27,18 +27,18 @@
 function setText()
 {
     document.title = translate('blocked_html_title');
-    $('#title').html(translate('blocked_html_title'));
+    document.getElementById('title').innerHTML = translate('blocked_html_title');
-    $('#body').html(translate('blocked_html_body'));
+    document.getElementById('body').innerHTML = translate('blocked_html_body');
-    $('#page').text(translate('blocked_html_button'));
+    document.getElementById('page').textContent = translate('blocked_html_button');
 
 }
 
-$(document).ready(function(){
+(function() {
     setText();
 
-    let source = new URLSearchParams(window.location.search).get("source");
+    const source = new URLSearchParams(window.location.search).get("source");
-    $('#page').attr('href', decodeURIComponent(source));
+    document.getElementById('page').href = decodeURIComponent(source);
-});
+})();
 
 /**
  * Translate a string with the i18n API.

core_js/storage.js

@@ -206,7 +206,7 @@ function initSettings() {
     storage.watchDogErrorCount = 0;
 
     if (getBrowser() === "Firefox") {
-        storage.types = ["font", "image", "imageset", "main_frame", "media", "object", "object_subrequest", "other", "script", "stylesheet", "sub_frame", "websocket", "xbl", "xml_dtd", "xmlhttprequest", "xslt"];
+        storage.types = ["font", "image", "imageset", "main_frame", "media", "object", "object_subrequest", "other", "script", "stylesheet", "sub_frame", "websocket", "xml_dtd", "xmlhttprequest", "xslt"];
         storage.pingRequestTypes = ["ping", "beacon"];
     } else if (getBrowser() === "Chrome") {
         storage.types = ["main_frame", "sub_frame", "stylesheet", "script", "image", "font", "object", "xmlhttprequest", "ping", "csp_report", "media", "websocket", "other"];

core_js/tools.js

@@ -21,6 +21,9 @@
 * This script is responsible for some tools.
 */
 
+// Needed by the sha256 method
+const enc = new TextEncoder();
+
 /*
 * To support Waterfox.
 */
@@ -287,7 +290,7 @@ Object.prototype.getOrDefault = function (key, defaultValue) {
 };
 
 function handleError(error) {
-    console.log("[ClearURLs ERROR]:" + error);
+    console.error("[ClearURLs ERROR]:" + error);
 }
 
 /**
@@ -326,4 +329,21 @@ function pushToLog(beforeProcessing, afterProcessing, rule) {
  */
 function isStorageAvailable() {
     return storage.ClearURLsData.length !== 0;
+}
+
+/**
+ * This method calculates the SHA-256 hash as HEX string of the given message.
+ * This method uses the native hashing implementations of the SubtleCrypto interface which is supported by all browsers
+ * that implement the Web Cryptography API specification and is based on:
+ * https://developer.mozilla.org/en-US/docs/Web/API/SubtleCrypto/digest
+ *
+ * @param message message for which the hash should be calculated
+ * @returns {Promise<string>} SHA-256 of the given message
+ */
+async function sha256(message) {
+    const msgUint8 = enc.encode(message);
+    const hashBuffer = await crypto.subtle.digest('SHA-256', msgUint8);
+    const hashArray = Array.from(new Uint8Array(hashBuffer));
+
+    return hashArray.map(b => b.toString(16).padStart(2, '0')).join('');
 }

core_js/write_version.js

@@ -21,4 +21,4 @@
  * @return version
  */
 const version = browser.runtime.getManifest().version;
-$('#version').text(version);
+document.getElementById('version').textContent = version;

external_js/sha256.jquery.js

@@ -1,247 +0,0 @@
-/*
-* A JavaScript implementation of the SHA256 hash function.
-*
-* FILE:    sha256.jquery.debug.js
-* VERSION:	1.0
-*
-* MODIFICATION BY:  Jacob Bair <orso.zed@gmail.com>
-* ORIGINAL AUTHOR:	Christoph Bichlmeier <informatik@zombiearena.de>
-*
-* NOTE: This version is not tested thoroughly!
-*
-* Copyright (c) 2003, Christoph Bichlmeier
-* All rights reserved.
-*
-* Redistribution and use in source and binary forms, with or without
-* modification, are permitted provided that the following conditions
-* are met:
-* 1. Redistributions of source code must retain the above copyright
-*    notice, this list of conditions and the following disclaimer.
-* 2. Redistributions in binary form must reproduce the above copyright
-*    notice, this list of conditions and the following disclaimer in the
-*    documentation and/or other materials provided with the distribution.
-* 3. Neither the name of the copyright holder nor the names of contributors
-*    may be used to endorse or promote products derived from this software
-*    without specific prior written permission.
-*
-* ======================================================================
-*
-* THIS SOFTWARE IS PROVIDED BY THE AUTHORS ''AS IS'' AND ANY EXPRESS
-* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-* ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE
-* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
-* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
-* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
-* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
-* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
-* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
-* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-*/
-(function($) {
-    $.sha256 = function(data) {
-        var ihash, count, buffer;
-        var hex_digits = "0123456789abcdef";
-        
-        /* Hash constant words K: */
-        var K256 = new Array(
-            0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5,
-            0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
-            0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3,
-            0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
-            0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc,
-            0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
-            0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7,
-            0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
-            0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13,
-            0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
-            0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3,
-            0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
-            0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5,
-            0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
-            0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208,
-            0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2
-        );
-        
-        var rotateRight = function(n, x) {
-            return ((x >>> n) | (x << (32 - n)));
-        };
-        
-        var choice = function(x, y, z) {
-            return ((x & y) ^ (~x & z));
-        };
-        
-        var majority = function(x, y, z) {
-            return ((x & y) ^ (x & z) ^ (y & z));
-        };
-        
-        var Sigma0 = function(x) {
-            return (rotateRight(2, x) ^ rotateRight(13, x) ^ rotateRight(22, x));
-        };
-        
-        var Sigma1 = function(x) {
-            return (rotateRight(6, x) ^ rotateRight(11, x) ^ rotateRight(25, x));
-        };
-        
-        var sigma0 = function(x) {
-            return (rotateRight(7, x) ^ rotateRight(18, x) ^ (x >>> 3));
-        };
-        
-        var sigma1 = function(x) {
-            return (rotateRight(17, x) ^ rotateRight(19, x) ^ (x >>> 10));
-        };
-        
-        var expand = function(W, j) {
-            return (W[j & 0x0f] += sigma1(W[(j + 14) & 0x0f]) + W[(j + 9) & 0x0f] + sigma0(W[(j + 1) & 0x0f]));
-        };
-        
-        var safe_add = function (x, y) {
-            var lsw = (x & 0xffff) + (y & 0xffff);
-            var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
-            return (msw << 16) | (lsw & 0xffff);
-        };
-        
-        var init = function() {
-            ihash = new Array(8);
-            count = new Array(2);
-            buffer = new Array(64);
-            count[0] = count[1] = 0;
-            ihash[0] = 0x6a09e667;
-            ihash[1] = 0xbb67ae85;
-            ihash[2] = 0x3c6ef372;
-            ihash[3] = 0xa54ff53a;
-            ihash[4] = 0x510e527f;
-            ihash[5] = 0x9b05688c;
-            ihash[6] = 0x1f83d9ab;
-            ihash[7] = 0x5be0cd19;
-        };
-        
-        var update = function(data, length) {
-            var index, curpos = 0;
-            
-            /* Compute number of bytes mod 64 */
-            index = ((count[0] >> 3) & 0x3f);
-            var remainder = (length & 0x3f);
-            
-            /* Update number of bits */
-            if ((count[0] += (length << 3)) < (length << 3)) {
-                count[1]++;
-            }
-            count[1] += (length >> 29);
-            
-            /* Transform as many times as possible */
-            for (var i = 0; i + 63 < length; i += 64) {
-                for (var j = index; j < 64; j++) {
-                    buffer[j] = data.charCodeAt(curpos++);
-                }
-                transform();
-                index = 0;
-            }
-            
-            /* Buffer remaining input */
-            for (var k = 0; k < remainder; k++) {
-                buffer[k] = data.charCodeAt(curpos++);
-            }
-        };
-        
-        var transform = function() {
-            var a, b, c, d, e, f, g, h, T1, T2;
-            var W = new Array(16);
-            
-            /* Initialize registers with the previous intermediate value */
-            a = ihash[0];
-            b = ihash[1];
-            c = ihash[2];
-            d = ihash[3];
-            e = ihash[4];
-            f = ihash[5];
-            g = ihash[6];
-            h = ihash[7];
-            
-            /* make 32-bit words */
-            for (var i = 0; i < 16; i++) {
-                W[i] = ((buffer[(i << 2) + 3]) | (buffer[(i << 2) + 2] << 8) | (buffer[(i << 2) + 1] << 16) | (buffer[i << 2] << 24));
-            }
-            
-            for (var j = 0; j < 64; j++) {
-                T1 = h + Sigma1(e) + choice(e, f, g) + K256[j];
-                if (j < 16) {
-                    T1 += W[j];
-                } else {
-                    T1 += expand(W, j);
-                }
-                T2 = Sigma0(a) + majority(a, b, c);
-                h = g;
-                g = f;
-                f = e;
-                e = safe_add(d, T1);
-                d = c;
-                c = b;
-                b = a;
-                a = safe_add(T1, T2);
-            }
-            
-            /* Compute the current intermediate hash value */
-            ihash[0] += a;
-            ihash[1] += b;
-            ihash[2] += c;
-            ihash[3] += d;
-            ihash[4] += e;
-            ihash[5] += f;
-            ihash[6] += g;
-            ihash[7] += h;
-        };
-        
-        var final = function() {
-            var index = ((count[0] >> 3) & 0x3f);
-            buffer[index++] = 0x80;
-            
-            if (index <= 56) {
-                for (var i = index; i < 56; i++) {
-                    buffer[i] = 0;
-                }
-            } else {
-                for (var i = index; i < 64; i++) {
-                    buffer[i] = 0;
-                }
-                
-                transform();
-                
-                for (var i = 0; i < 56; i++) {
-                    buffer[i] = 0;
-                }
-            }
-            
-            buffer[56] = (count[1] >>> 24) & 0xff;
-            buffer[57] = (count[1] >>> 16) & 0xff;
-            buffer[58] = (count[1] >>> 8) & 0xff;
-            buffer[59] = count[1] & 0xff;
-            buffer[60] = (count[0] >>> 24) & 0xff;
-            buffer[61] = (count[0] >>> 16) & 0xff;
-            buffer[62] = (count[0] >>> 8) & 0xff;
-            buffer[63] = count[0] & 0xff;
-            
-            transform();
-        };
-        
-        var encode = function() {
-            var output = "";
-            for (var i = 0; i < 8; i++) {
-                for (var j = 28; j >= 0; j -= 4) {
-                    output += hex_digits.charAt((ihash[i] >>> j) & 0x0f);
-                }
-            }
-            return output;
-        };
-        
-        if ($.isPlainObject(data) || $.isArray(data)) {
-            data = JSON.stringify(data);
-        }
-        
-        init();
-        update(data, data.length);
-        final();
-        
-        return encode();
-    };
-})(jQuery);        

html/cleaningTool.html

@@ -77,8 +77,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
         <!-- Optional JavaScript -->
         <!-- jQuery first, then Popper.js, then Bootstrap JS -->
         <script src="../browser-polyfill.js"></script>
-        <script src="../external_js/jquery-3.4.1.min.js"></script>
-        <script src="../external_js/bootstrap.min.js"></script>
         <script src="../core_js/cleaning_tool.js"></script>
         <script src="../core_js/write_version.js"></script>
     </body>

html/log.html

@@ -113,9 +113,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
     <!-- jQuery first, then Popper.js, then Bootstrap JS -->
     <script src="../browser-polyfill.js"></script>
     <script src="../external_js/jquery-3.4.1.min.js"></script>
-    <script src="../external_js/bootstrap.min.js"></script>
     <script src="../external_js/datatables.min.js"></script>
-    <script src="../external_js/fontawesome/all.min.js"></script>
     <script src="../core_js/log.js"></script>
     <script src="../core_js/write_version.js"></script>
 </body>

html/popup.html

@@ -158,8 +158,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
     <!-- Optional JavaScript -->
     <!-- jQuery first, then Popper.js, then Bootstrap JS -->
     <script type="application/javascript" src="../browser-polyfill.js"></script>
-    <script src="../external_js/jquery-3.4.1.min.js"></script>
-    <script src="../external_js/bootstrap.min.js"></script>
     <script src="../external_js/fontawesome/all.min.js"></script>
     <script src="../core_js/popup.js"></script>
     <script src="../core_js/write_version.js"></script>

html/settings.html

@@ -182,7 +182,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
         <script src="../external_js/popper.min.js"></script>
         <script src="../external_js/bootstrap.min.js"></script>
         <script src="../external_js/bootstrap-colorpicker.min.js"></script>
-        <script src="../external_js/fontawesome/all.min.js"></script>
         <script src="../core_js/settings.js"></script>
         <script src="../core_js/write_version.js"></script>
     </body>

html/siteBlockedAlert.html

@@ -69,8 +69,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
     <!-- Optional JavaScript -->
     <!-- jQuery first, then Popper.js, then Bootstrap JS -->
     <script src="../browser-polyfill.js"></script>
-    <script src="../external_js/jquery-3.4.1.min.js"></script>
-    <script src="../external_js/bootstrap.min.js"></script>
     <script src="../core_js/siteBlockedAlert.js"></script>
     <script src="../core_js/write_version.js"></script>
 </body>

manifest.json

@@ -52,8 +52,6 @@
     "background": {
         "scripts": [
             "browser-polyfill.js",
-            "external_js/jquery-3.4.1.min.js",
-            "external_js/sha256.jquery.js",
             "core_js/message_handler.js",
             "external_js/ip-range-check.js",
             "core_js/tools.js",