ShowPass

Show password as plain text in password fields

您需要先安裝使用者腳本管理器擴展,如 TampermonkeyGreasemonkeyViolentmonkey 之後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyViolentmonkey 後才能安裝該腳本。

您需要先安裝使用者腳本管理器擴充功能,如 TampermonkeyUserscripts 後才能安裝該腳本。

你需要先安裝一款使用者腳本管理器擴展,比如 Tampermonkey,才能安裝此腳本

您需要先安裝使用者腳本管理器擴充功能後才能安裝該腳本。

(我已經安裝了使用者腳本管理器,讓我安裝!)

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展,比如 Stylus,才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

你需要先安裝一款使用者樣式管理器擴展後才能安裝此樣式

(我已經安裝了使用者樣式管理器,讓我安裝!)

// ==UserScript==
// @name         ShowPass
// @namespace    bitst0rm
// @version      0.0.10
// @description  Show password as plain text in password fields
// @author       bitst0rm
// @license      GPLv3
// @icon         https://github.com/bitst0rm-pub/ShowPass/raw/master/logo.png
// @include      *
// @run-at       document-idle
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_addStyle
// @grant        GM_registerMenuCommand
// ==/UserScript==

(function(win) {
    'use strict';

    if (typeof GM_getValue === 'undefined' ||
        typeof GM_setValue === 'undefined' ||
        typeof GM_registerMenuCommand === 'undefined') {
        alert('You\'ve been warned 3 times that this script\n' +
            'does not support webshit aka Greasemonkey!\n' +
            'Get Tampermonkey and you will be happy.\n' +
            'Do not do this again.');
        return;
    }

    var MOUSEOVER = 'idMouseOver';
    var DBLCLICK = 'idDblClick';
    var FOCUS = 'idFocus';
    var CTRL = 'idCtrl';
    var BOLD = 'idBold';
    var PREVIEW = 'idPreview';
    var PROGRESS = 'idProgress';
    var HEIGHT = 'idHeight';
    var COLOR = 'idColor';
    var EXCLSHOW = 'idExclShow';
    var EXCLSTRENGTH = 'idExclStrength';
    var DISTANCE = 'idDistance';
    var UID = 'showpass-' + Math.random().toString(36).slice(8);
    var RANDOM = null;

    var config = {};
    config[MOUSEOVER] = true;
    config[DBLCLICK] = false;
    config[FOCUS] = false;
    config[CTRL] = false;
    config[BOLD] = true;
    config[PROGRESS] = true;
    config[HEIGHT] = '6';
    config[COLOR] = '#ff0000';
    config[EXCLSHOW] = '^login\\.example\\.com\n^(.+?\\.)?example\\.net';
    config[EXCLSTRENGTH] = '^(.+?\\.)?dropbox\\.com';
    config[DISTANCE] = '^accounts\\.google\\.com#2\n^(.+?\\.)?(gmx\\.(net|at)|web\\.de)#1';
    for (var k in config) {
        if (GM_getValue(k) === undefined) {
            GM_setValue(k, config[k]);
        }
    }

    var html = '<!DOCTYPE html>' +
        '<html lang="en">' +
        '<head>' +
        '<title>ShowPass Option</title>' +
        '<meta charset="utf-8">' +
        '<meta name="viewport" content="width=device-width">' +
        '<style>' +
        'body{font-family:Arial,Helvetica,sans-serif;text-align:center;}' +
        'table{margin-right:auto;margin-left:auto;padding:1em;text-align:left;background-color:#f8f8f8;border:solid 1px #bebebe;border-radius:1em;}' +
        'td{padding:.5em;}' +
        'input,textarea,select{margin-left:0px;padding:4px;border-radius:3px;border:1px solid #9aa4b1;}' +
        'input[type="color"]{padding:1px 2px;}' +
        'textarea{min-width:20em;height:6em;}' +
        'label{margin:0 .4em;}' +
        '#' + HEIGHT + '{margin-left: .4em;}' +
        '.badge{background-color:#adebeb;border:1px solid #009999;border-radius:5px;padding:1px 6px;box-shadow:1px 1px 2px rgba(0,0,0,0.3);}' +
        '#msg{font-size:1.2em;font-weight:bold;margin:1em;transition:opacity .5s ease 1s;opacity:0;color:#669900;}' +
        '#msg.show{transition:none;opacity:1;}' +
        '</style>' +
        '</head>' +
        '<body>' +
        '<h1>ShowPass Option</h1>' +
        '<table><tr><td>Show password mode:</td>' +
        '<td><select id="menu">' +
        '<option id="' + MOUSEOVER + '"' + (GM_getValue(MOUSEOVER) ? ' selected' : '') + '>Mouse Over</option>' +
        '<option id="' + DBLCLICK + '"' + (GM_getValue(DBLCLICK) ? ' selected' : '') + '>Double Click</option>' +
        '<option id="' + FOCUS + '"' + (GM_getValue(FOCUS) ? ' selected' : '') + '>On Focus</option>' +
        '<option id="' + CTRL + '"' + (GM_getValue(CTRL) ? ' selected' : '') + '>Press CTRL Key</option>' +
        '</select></td></tr>' +
        '<tr><td>Password style:</td>' +
        '<td><input type="checkbox" id="' + BOLD + '"' + (GM_getValue(BOLD) ? ' checked' : '') + '>' +
        '<label for="' + BOLD + '">Bold</label>' +
        '<input type="color" value="' + GM_getValue(COLOR) + '" id="' + COLOR + '">' +
        '<label for="' + COLOR + '">Color</label></td></tr>' +
        '<tr><td>Show password strength:</td>' +
        '<td><input type="checkbox" id="' + PROGRESS + '"' + (GM_getValue(PROGRESS) ? ' checked' : '') + '>' +
        '<input type="number" id="' + HEIGHT + '" min="4" max="30" value="' + GM_getValue(HEIGHT) + '">' +
        '<label for="' + HEIGHT + '">px Height</label></td></tr>' +
        '<tr><td>Preview password:</td>' +
        '<td><input type="password" id="' + PREVIEW + '" placeholder="Enter password"></td></tr>' +
        '<tr><td>Exclude showing password:<br><i>(RegExp on hostnames)</i></td>' +
        '<td><textarea id="' + EXCLSHOW + '">' + GM_getValue(EXCLSHOW) + '</textarea></td></tr>' +
        '<tr><td>Exclude showing strength bar:<br><i>(RegExp on hostnames)</i></td>' +
        '<td><textarea id="' + EXCLSTRENGTH + '">' + GM_getValue(EXCLSTRENGTH) + '</textarea></td></tr>' +
        '<tr><td><span class="badge">Fine-turning</span> Distance between<br>strength bar and pw input field:<br><i>(RegExp hostname#nDistance)</i></td>' +
        '<td><textarea id="' + DISTANCE + '">' + GM_getValue(DISTANCE) + '</textarea></td></tr></table>' +
        '<div id="msg">Saved!</div>' +
        '</body>' +
        '</html>';

    var css = '.progress-bar-' + UID + '{-webkit-appearance:none;-moz-appearance:none;appearance:none;height:' + GM_getValue(HEIGHT) + 'px;border:1px solid #b2b2b2;border-radius:1em;background-color:#efefef;}' +
        '.progress-bar-' + UID + '::-webkit-progress-bar{border-radius:1em;background-color:#efefef;}' +
        '.progress-bar-' + UID + '::-webkit-progress-value{-webkit-transition:width 0.5s ease;transition:width 0.5s ease;border-radius:1em 0 0 1em;}' +
        '.progress-bar-' + UID + '[value="1"]::-webkit-progress-value{background-color:#dc3545;}' +
        '.progress-bar-' + UID + '[value="2"]::-webkit-progress-value{background-color:#ffc107;}' +
        '.progress-bar-' + UID + '[value="3"]::-webkit-progress-value{background-color:#1178f7;}' +
        '.progress-bar-' + UID + '[value="4"]::-webkit-progress-value{background-color:#17a2b8;}' +
        '.progress-bar-' + UID + '[value="5"]::-webkit-progress-value{border-radius:1em;background-color:#28a745;}' +
        '.progress-bar-' + UID + '::-moz-progress-bar{-moz-transition:width 0.5s ease;border-radius:1em 0 0 1em;}' +
        '.progress-bar-' + UID + '[value="1"]::-moz-progress-bar{background-color:#dc3545;}' +
        '.progress-bar-' + UID + '[value="2"]::-moz-progress-bar{background-color:#ffc107;}' +
        '.progress-bar-' + UID + '[value="3"]::-moz-progress-bar{background-color:#1178f7;}' +
        '.progress-bar-' + UID + '[value="4"]::-moz-progress-bar{background-color:#17a2b8;}' +
        '.progress-bar-' + UID + '[value="5"]::-moz-progress-bar{border-radius:1em;background-color:#28a745;}' +
        '#br-' + UID + '{display:block;content:"";margin:0px;line-height:0px;}';

    function blacklist(type, host) {
        var txt = GM_getValue(type);
        var lines = txt.split('\n');
        for (var i = 0; i < lines.length; i++) {
            var line = lines[i];
            var re = new RegExp(line);
            if (line && re.test(host)) return true;
        }
        return false;
    }

    function strength(pw) {
        return (/.{8,}/.test(pw) * ( /* at least 8 characters */
                /.{12,}/.test(pw) + /* bonus if longer */
                /[a-z]/.test(pw) + /* a lower letter */
                /[A-Z]/.test(pw) + /* a upper letter */
                /\d/.test(pw) + /* a digit */
                /[^A-Za-z0-9]/.test(pw))) - /* a special character */
            /(.)\1{2,}/.test(pw); /* a same char 3 times or more */
    }

    function distance(input, host) {
        var txt = GM_getValue(DISTANCE);
        var lines = txt.split('\n');
        for (var i = 0; i < lines.length; i++) {
            var line = lines[i];
            var p = line.split('#');
            var hostname = p[0];
            var level = Number(p[1]);
            if (isNaN(level) || level < 1) {
                console.warn('[ShowPass] Distance must be of type number and greater than 0: ', line);
                continue;
            }
            var re = new RegExp(hostname);
            if (hostname && re.test(host)) {
                var a = null;
                var b = null;
                var c = 0;
                var current = input;
                while (current.parentNode) {
                    if (c === level + 1) break;
                    b = current;
                    current = current.parentNode;
                    a = current;
                    c++;
                }
                if (a.constructor.name !== 'HTMLDocument') {
                    return [a, b];
                } else {
                    console.error('[ShowPass] Distance out of the scope: ', line);
                    return false;
                }
            }
        }
        return false;
    }

    function progress(input, host) {
        RANDOM = Math.random().toString(36).slice(2);
        input.style.setProperty('margin-bottom', '0px', 'important');
        var inputWidth = input.offsetWidth;

        var div = document.createElement('div');
        div.id = 'progress-wrapper-' + RANDOM;
        div.style.margin = '0px';
        div.style.padding = '0px';
        div.style.boxSizing = 'border-box';

        var br = document.createElement('br');
        br.id = 'br-' + UID;

        var pgr = document.createElement('progress');
        pgr.id = 'progress-' + RANDOM;
        pgr.className = 'progress-bar-' + UID;
        pgr.value = 0;
        pgr.max = 5;
        pgr.style.width = inputWidth + 'px';
        pgr.style.margin = '2px 0px 0px 0px';
        pgr.style.padding = '0px';
        pgr.style.verticalAlign = 'top';

        var arr = distance(input, host);
        if (arr) {
            arr[0].insertBefore(div, arr[1].nextSibling);
        } else {
            input.parentNode.insertBefore(div, input.nextSibling);
            div.appendChild(input);
            div.appendChild(br);
        }
        div.appendChild(pgr);

        input.addEventListener('keyup', function() {
            pgr.value = strength(input.value);
        });

        return pgr;
    }

    function update(input, host) {
        var pgr = progress(input, host);
        var c = 0;
        var check = setInterval(function() {
            if (c === 20) clearInterval(check);
            pgr.style.width = input.offsetWidth + 'px';
            c++;
        }, 100);
    }

    function cfg() {
        var display = true;
        document.body.parentElement.innerHTML = html;
        GM_addStyle(css);
        var pgrbox = document.getElementById(PROGRESS);
        var hight = document.getElementById(HEIGHT);
        hight.disabled = (pgrbox.checked ? false : true);

        document.body.addEventListener('change', function(e) {
            var t = e.target;
            GM_setValue(t.id, (t.type === 'checkbox' ? t.checked : t.value));
            if (t.id === 'menu') {
                for (var i = 0; i < t.length; i++) {
                    var option = t.options[i];
                    GM_setValue(option.id, option.selected);
                }
            }

            var pgr = document.getElementById('progress-' + RANDOM);

            if (t.id === PROGRESS) {
                if (!pgr) {
                    var input = document.getElementById(PREVIEW);
                    pgr = progress(input);
                    display = false;
                }
                if (!display) {
                    pgr.style.display = 'block';
                    hight.disabled = false;
                } else {
                    pgr.style.display = 'none';
                    hight.disabled = true;
                }
                display = !display;
            }

            if (t.id === HEIGHT) pgr.style.height = t.value + 'px';

            var elem = document.getElementById('msg');
            elem.classList.add('show');
            setTimeout(function() {
                elem.classList.remove('show');
            }, 100);
        });
    }

    function setCaretToEnd(e) {
        setTimeout((function() {
            var t = e.target;
            var l = t.value.length;
            t.setSelectionRange(l, l);
        }), 0);
    }

    function show(e) {
        var t = e.target;
        t.type = 'text';
        t.style.setProperty('caret-color', 'black', 'important');
        t.style.setProperty('color', GM_getValue(COLOR), 'important');
        t.style.setProperty('font-weight', GM_getValue(BOLD) ? 'bold' : '', 'important');
        setCaretToEnd(e);
    }

    function hide(e) {
        var t = e.target;
        t.type = 'password';
        t.style.caretColor = '';
        t.style.color = '';
        t.style.fontWeight = '';
    }

    function showPass(node, host) {
        var isHide = true;
        var _toggle = function(e) {
            if (e.keyCode === 17) {
                if (isHide) {
                    show(e);
                } else {
                    hide(e);
                }
                isHide = !isHide;
            }
        };
        var _hide = function(e) {
            hide(e);
            isHide = true;
        };

        var inputs = node.querySelectorAll('input[type=password]');
        if (!inputs.length) return;

        for (var j = 0; j < inputs.length; j++) {
            var input = inputs[j];
            if (input.ariaHidden && input.ariaHidden === 'true' || input.hidden ||
                input.style.visibility && input.style.visibility === 'hidden' ||
                input.style.display && input.style.display === 'none') continue;
            if (!input.ready) {
                input.ready = true;
                if (GM_getValue(MOUSEOVER)) {
                    input.addEventListener('mouseover', show, false);
                    input.addEventListener('mouseout', hide, false);
                }
                if (GM_getValue(DBLCLICK)) {
                    input.addEventListener('dblclick', show, false);
                    input.addEventListener('blur', hide, false);
                }
                if (GM_getValue(FOCUS)) {
                    input.addEventListener('focus', show, false);
                    input.addEventListener('blur', hide, false);
                }
                if (GM_getValue(CTRL)) {
                    input.addEventListener('keyup', _toggle, false);
                    input.addEventListener('blur', _hide, false);
                }
                if (GM_getValue(PROGRESS)) {
                    if (blacklist(EXCLSTRENGTH, host)) continue;
                    update(input, host);
                }
            }
        }
    }

    win.addEventListener('resize', function() {
        var bars = document.getElementsByClassName('progress-bar-' + UID);
        for (var i = 0; i < bars.length; i++) {
            var bar = bars[i];
            var input = bar.parentNode.querySelector('input[type="password"]');
            bar.style.width = input.offsetWidth + 'px';
        }
    });

    function domWatcher() {
        var queue = [];
        var ignoreTags = ['br', 'head', 'link', 'meta', 'script', 'style'];

        var Watch = win.MutationObserver || win.WebKitMutationObserver;
        var observer = new Watch(function(mutations) {
            if (!queue.length) requestAnimationFrame(process);
            queue.push(mutations);
        });
        var container = document.documentElement || document.body;
        observer.observe(container, {
            childList: true,
            subtree: true
        });

        function process() {
            for (var i = 0; i < queue.length; i++) {
                var mutations = queue[i];
                for (var j = 0; j < mutations.length; j++) {
                    var mutation = mutations[j];
                    if (mutation.type === 'childList') {
                        var addedNodes = mutation.addedNodes;
                        for (var n = 0; n < addedNodes.length; n++) {
                            var node = addedNodes[n];
                            if (node.nodeType !== 1) continue;
                            if (ignoreTags.indexOf(node.localName) !== -1) continue;
                            if (node.parentElement === null) continue;
                            if (node.nodeName === 'IFRAME') {
                                goFrame(node);
                            } else {
                                goPage(node);
                            }
                        }
                    }
                }
            }
            queue.length = 0;
        }
    }

    function goFrame(node) {
        var frame = node.contentDocument || node.contentWindow.document;
        if (blacklist(EXCLSHOW, frame.location.hostname)) return;
        showPass(frame.body, frame.location.hostname);
    }

    function goPage(node) {
        showPass(node, win.location.hostname);
    }

    function init() {
        GM_registerMenuCommand('Configure', cfg, 'C');
        if (blacklist(EXCLSHOW, win.location.hostname)) return;

        if (GM_getValue(PROGRESS)) GM_addStyle(css);
        goPage(document.body);

        var nodes = document.querySelectorAll('iframe');
        for (var i = 0; i < nodes.length; i++) {
            goFrame(nodes[i]);
        }

        domWatcher();
    }

    init();
})(this);