Password Toggler - view input passwords

Adds buttons to each input to show/hide passwords

Versão de: 11/03/2017. Veja: a última versão.

Você precisará instalar uma extensão como Tampermonkey, Greasemonkey ou Violentmonkey para instalar este script.

You will need to install an extension such as Tampermonkey to install this script.

Você precisará instalar uma extensão como Tampermonkey ou Violentmonkey para instalar este script.

Você precisará instalar uma extensão como Tampermonkey ou Userscripts para instalar este script.

Você precisará instalar uma extensão como o Tampermonkey para instalar este script.

Você precisará instalar um gerenciador de scripts de usuário para instalar este script.

(Eu já tenho um gerenciador de scripts de usuário, me deixe instalá-lo!)

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar uma extensão como o Stylus para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

Você precisará instalar um gerenciador de estilos de usuário para instalar este estilo.

(Eu já possuo um gerenciador de estilos de usuário, me deixar fazer a instalação!)

// ==UserScript==
// @name         Password Toggler - view input passwords
// @namespace    https://github.com/pckltr/password-toggler
// @version      1.2
// @description  Adds buttons to each input to show/hide passwords
// @author       pckltr
// @match        *://*/*
// ==/UserScript==

(function() {
    "use strict";

    // get all page inputs
    var pageInputs = document.getElementsByTagName("input"),
        passwordInputs = [],
        buttonStyle = ".password-toggler-button-parent {position: relative; overflow: visible;} .password-toggler-button {top: 50%; right: 8px; position: absolute; cursor: pointer; transform: translateY(-50%); background-size: cover; z-index: 9999999; background: #dcdcdc; border-radius: 100%; background-repeat: no-repeat; background-position: center center; box-sizing: border-box;} .password-toggler-show {background-image: url(data:image/svg+xml;base64,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);} .password-toggler-hide {background-image: url(data:image/svg+xml;base64,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);}";

    // add style element in DOM
    var style = document.createElement("style");
    style.innerHTML = buttonStyle;
    document.head.appendChild(style);

    var addButtons = function() {

        // add password inputs into an array
        for (var a = 0; a < pageInputs.length; a++) {
            if (pageInputs[a].hasAttribute("type") && pageInputs[a].getAttribute("type") === "password") {
                passwordInputs.push(pageInputs[a]);
            }
        }

        // add buttons to each password input
        for (var b = 0; b < passwordInputs.length; b++) {
            var button = document.createElement("div");
            passwordInputs[b].parentElement.className += " password-toggler-button-parent";
            passwordInputs[b].parentElement.appendChild(button);
            button.setAttribute("style", "height: " + (passwordInputs[b].offsetHeight-8) + "px; width: " + (passwordInputs[b].offsetHeight-8) + "px;");
            button.className += "password-toggler-button password-toggler-show";
            button.setAttribute("title", "Show password");
        }

        // get all buttons
        var passwordTogglers = document.getElementsByClassName("password-toggler-button");

        // toggle password inputs title, type and change button style
        function togglePasswords() {
            for (var i = 0; i < passwordInputs.length; i++) {
                if (passwordInputs[i].type === "password") {
                    passwordInputs[i].type = "text";
                    for (var j = 0; j < passwordTogglers.length; j++) {
                        passwordTogglers[j].title = "Hide password";
                        passwordTogglers[j].className = "password-toggler-button password-toggler-hide";
                    }
                } else {
                    passwordInputs[i].type = "password";
                    for (var k = 0; k < passwordTogglers.length; k++) {
                        passwordTogglers[k].title = "Show password";
                        passwordTogglers[k].className = "password-toggler-button password-toggler-show";
                    }
                }
            }
        }

        // add click event to buttons
        for (var i = 0; i < passwordTogglers.length; i++) {
            passwordTogglers[i].addEventListener("click", togglePasswords, false);
        }

        // clear inverval
        if (pageInputs.length !== 0) {
            clearInterval(buttonRepeat);
        }
    };

    // add inverval if inputs don't exist
    var buttonRepeat;
    if (pageInputs.length === 0) {
        buttonRepeat = setInterval(addButtons, 100);
    } else {
        addButtons();
    }

})();