Alook Userscript Installer Helper (Auto Install)

[Auto-Install Version] Helps Alook browser install scripts from GreasyFork, OpenUserJS, and any raw .user.js links. Features auto-trigger, emoji support, and run-at detection.

Tendrás que instalar una extensión para tu navegador como Tampermonkey, Greasemonkey o Violentmonkey si quieres utilizar este script.

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

Tendrás que instalar una extensión como Tampermonkey o Violentmonkey para instalar este script.

Necesitarás instalar una extensión como Tampermonkey o Userscripts para instalar este script.

Tendrás que instalar una extensión como Tampermonkey antes de poder instalar este script.

Necesitarás instalar una extensión para administrar scripts de usuario si quieres instalar este script.

(Ya tengo un administrador de scripts de usuario, déjame instalarlo)

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Tendrás que instalar una extensión como Stylus antes de poder instalar este script.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

Para poder instalar esto tendrás que instalar primero una extensión de estilos de usuario.

(Ya tengo un administrador de estilos de usuario, déjame instalarlo)

// ==UserScript==
// @name         Alook Userscript Installer Helper (Auto Install)
// @namespace    http://tampermonkey.net/
// @version      0.2
// @license      GPL3
// @description  [Auto-Install Version] Helps Alook browser install scripts from GreasyFork, OpenUserJS, and any raw .user.js links. Features auto-trigger, emoji support, and run-at detection.
// @author       King1x32
// @match        *://*/*.user.js
// @icon         https://www.google.com/s2/favicons?domain=alookweb.com
// @grant        none
// ==/UserScript==

(function() {
    'use strict';
    // Check if running on a compatible browser (Alook/Via)
    let isVia = window.via && typeof window.via.addon === "function";
    let Base64 = {encode: s=>btoa(unescape(encodeURIComponent(s))), decode: s=>decodeURIComponent(escape(window.atob(s)))};
    let zhBase64 = { // This encoding part is kept for compatibility with Alook's addon format
        encode: function (input) {
            let _keyStr = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";
            let output = "";
            let chr1, chr2, chr3, enc1, enc2, enc3, enc4;
            let i = 0;
            input = this.utf8_encode(input);
            while (i < input.length) {
                chr1 = input.charCodeAt(i++);
                chr2 = input.charCodeAt(i++);
                chr3 = input.charCodeAt(i++);
                enc1 = chr1 >> 2;
                enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
                enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
                enc4 = chr3 & 63;
                if (isNaN(chr2)) { enc3 = enc4 = 64;
                } else if (isNaN(chr3)) { enc4 = 64; }
                output = output + _keyStr.charAt(enc1) + _keyStr.charAt(enc2) + _keyStr.charAt(enc3) + _keyStr.charAt(enc4);
            }
            return output;
        },
        utf8_encode: function(_string) {
            return _string.replace(/([\u2E80-\u2EFF\u2F00-\u2FDF\u3000-\u303F\u31C0-\u31EF\u3200-\u32FF\u3300-\u33FF\u3400-\u4DBF\u4DC0-\u4DFF\u4E00-\u9FBF\uF900-\uFAFF\uFE30-\uFE4F\uFF00-\uFFEF])/g, str => {
                return '\\u' + str.charCodeAt(0).toString(16)
            })
        }
    };

    function tryGetExec(result, idx, fallback) { if (!result || result.length < idx + 1) return fallback; else return result[idx]; }

    async function addonApp(scriptUrl) {
        try {
            let scriptContent = await (await (fetch(scriptUrl))).text();
            
            // IMPROVEMENT: Use more robust regex to capture full names/authors with spaces and special characters.
            let version = tryGetExec(/\/\/\s*@version\s*([^\s\n]*)/.exec(scriptContent), 1, "1.0");
            let author = tryGetExec(/\/\/\s*@author\s*([^\n]*)/.exec(scriptContent), 1, "unknown");
            let name = tryGetExec(/\/\/\s*@name\s*([^\n]*)/.exec(scriptContent), 1, "unknown script");

            let matchRules = scriptContent.match(/\/\/\s*@(match|include)\s*([^\s\n]*)/g);
            let match = ".*"; // Default if not found
            if (matchRules) {
                match = matchRules
                    .map(s => tryGetExec(/\/\/\s*@(match|include)\s*([^\s]*)/.exec(s), 2, ""))
                    .filter(s => s)
                    .map(s => s.replace(/\*/g, ".*")) // Use compatible replace method
                    .join("@@");
            }
            
            // IMPROVEMENT: Automatically detect the run-at time.
            let runAtValue = 2; // Default to 2 (DOMContentLoaded)
            const runAtMatch = /\/\/\s*@run-at\s*([^\s\n]*)/.exec(scriptContent);
            if (runAtMatch && runAtMatch[1].trim() === 'document-start') {
                runAtValue = 1; // Set to 1 for earliest execution
            }

            let codeStr = Base64.encode(`(function (){${scriptContent}})();`);
            var appJson = {
                author: author.trim(),
                id: "1", // Alook seems to ignore this, so "1" is fine.
                runat : runAtValue,
                version : version.trim(),
                name: name.trim(),
                url: match,
                code: codeStr,
            };
            var appStr = JSON.stringify(appJson);
            var addon_result = zhBase64.encode(appStr);

            window.via.addon(addon_result);
        } catch (error) {
            alert("An error occurred while preparing the script: " + error);
            console.error(error);
        }
    }

    function FindAndCreateInstallBtn(selectStr) {
        let installBtn = document.querySelector(selectStr);
        if (!installBtn) return false;

        var button = document.createElement("a");
        button.append(isVia ? "Install for Alook" : "Browser not supported");
        button.className = installBtn.className;
        button.style.color = "black";
        button.style.background = "lightgreen";
        button.style.marginLeft = "10px";
        button.href = "javascript:void(0);"; // Prevent navigation

        // IMPROVEMENT: No more confirmation prompt. Install directly.
        button.onclick = () => {
            if (isVia) {
                addonApp(installBtn.href);
            }
        };
        installBtn.parentNode.insertBefore(button, installBtn.nextSibling);
        return true;
    };

    // --- MAIN CONTROLLER ---
    if (!isVia) return; // Exit if not on a compatible browser

    // If it's a raw .user.js page, trigger installation automatically on load.
    if (location.href.endsWith('.user.js')) {
        // Wait for the body to be sure the page content (the script text) is loaded.
        if (document.readyState === 'complete' || document.readyState === 'interactive') {
            addonApp(location.href);
        } else {
            window.addEventListener('DOMContentLoaded', () => addonApp(location.href));
        }
    } else {
        // If it's a script repository site, find the existing install button and add our own.
        let targets = [
            "a.install-link", // Greasy Fork
            "a.btn.btn-info[type='text/javascript']", // OpenUserJS
        ];
        for (let i = 0; i < targets.length; ++i) {
            if (FindAndCreateInstallBtn(targets[i])) break;
        }
    }

})();