Snahp base64 decoder

This script detects base64 encoded urls present in snahp pages and decodes them automatically without having to go to other websites :)

K instalaci tototo skriptu si budete muset nainstalovat rozšíření jako Tampermonkey, Greasemonkey nebo Violentmonkey.

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

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Violentmonkey.

K instalaci tohoto skriptu si budete muset nainstalovat rozšíření jako Tampermonkey nebo Userscripts.

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

K instalaci tohoto skriptu si budete muset nainstalovat manažer uživatelských skriptů.

(Už mám manažer uživatelských skriptů, nechte mě ho nainstalovat!)

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install an extension such as Stylus to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

You will need to install a user style manager extension to install this style.

(Už mám manažer uživatelských stylů, nechte mě ho nainstalovat!)

// ==UserScript==
// @name         Snahp base64 decoder
// @match        https://*.snahp.*/viewtopic.php*
// @match        https://fora.snahp.eu/viewtopic.php*
// @icon         https://cdn-icons-png.flaticon.com/512/2362/2362269.png
// @description  This script detects base64 encoded urls present in snahp pages and decodes them automatically without having to go to other websites :)
// @version      0.1.1
// @grant        none
// @namespace https://greasyfork.org/users/1581837
// ==/UserScript==

(function() {
    'use strict';

    console.log("Snahp URL Decoder: Script engaged");

    async function copy_text(e) {
        const text = e.target.innerText;
        try {
            await navigator.clipboard.writeText(text);
            console.log('Text copied to clipboard');
            const originalColor = e.target.style.color;
            e.target.style.color = '#4CAF50';
            setTimeout(() => {
                e.target.style.color = originalColor;
            }, 1000);
        } catch (err) {
            console.error('Failed to copy: ', err);
        }
    }

    function tryDecode(element) {
        const originalText = element.innerText.trim();
        if (!originalText) return;

        try {
            // Basic base64 validation (alphanumeric, +, /, and = padding)
            if (/^[a-zA-Z0-9+/]*={0,2}$/.test(originalText) && originalText.length > 4) {
                const decoded = atob(originalText);
                if (decoded && decoded.includes('://')) { // Simple check for URL-like content
                    element.innerText = decoded;
                    element.onclick = copy_text;
                    element.style.cursor = "pointer";
                    element.style.fontWeight = "bold";
                    element.style.color = "#007bff";
                    element.title = "Click to copy decoded URL";
                }
            }
        } catch (error) {
            // Not base64 or other error
        }
    }

    // Process code tags
    document.querySelectorAll("code").forEach(tryDecode);

    // Process dd tags (common in forum posts)
    document.querySelectorAll("dd").forEach(tryDecode);

})();