4chan TeleGuard ID Detector

Tries to detect and provide copy buttons for TeleGuard IDs on 4chan

You will need to install an extension such as Tampermonkey, Greasemonkey or Violentmonkey to install this script.

Bạn sẽ cần cài đặt một tiện ích mở rộng như Tampermonkey hoặc Violentmonkey để cài đặt kịch bản này.

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

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

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

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

(Tôi đã có Trình quản lý tập lệnh người dùng, hãy cài đặt nó!)

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.

(I already have a user style manager, let me install it!)

// ==UserScript==
// @name         4chan TeleGuard ID Detector
// @license      GPLv3
// @namespace    https://boards.4chan.org/
// @version      1.3.3
// @description  Tries to detect and provide copy buttons for TeleGuard IDs on 4chan
// @author       ceodoe
// @match        https://boards.4chan.org/*/thread/*
// @match        https://boards.4chan.org/*/res/*
// @match        https://archived.moe/*/thread/*
// @match        https://www.archived.moe/*/thread/*
// @match        https://thebarchive.com/*/thread/*
// @match        https://www.thebarchive.com/*/thread/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=4chan.org
// @grant        GM_getValue
// @grant        GM_setValue
// @grant        GM_addStyle
// ==/UserScript==
let rememberCopiedIDs = GM_getValue("teleguard_rememberCopiedIDs", true);
let rememberedIDs = GM_getValue("teleguard_rememberedIDs", []);
let site = "4chan";

if(location.hostname.includes("archived.moe") || location.hostname.includes("thebarchive.com")) {
    site = "foolfuuka";
}

GM_addStyle(`
    .fctgidd-rememberedID {
        color: #aaa;
        border-bottom: 1px dotted #aaa;
    }

    .faded {
        opacity: 30%;
    }

    .hidden {
        display: none;
    }
`);

function parsePosts() {
    let posts = document.querySelectorAll("blockquote.postMessage");

    if(site == "foolfuuka") {
        posts = document.querySelectorAll("article > div.text, div.post_wrapper > div.text");
    }

    for(let i = 0; i < posts.length; i++) {
        if(posts[i].getAttribute("data-fctgidd-parsed") !== "1") {
            posts[i].setAttribute("data-fctgidd-parsed", "1");

            // Strip all backlinks
            let postText = posts[i].innerText.replace(/\>\>\b[0-9]+\b/g, "");

            let id = "";
            let words = postText.split(/\s/);
            for(let j = 0; j < words.length; j++) {
                if(words[j].match(/^[A-Z0-9]{9}$/g)) { // All IDs are 9 chars exactly, skip word if it isn't
                    id = words[j];
                    break; // only do one ID per post
                }
            }

            if(id.length == 9) { // All IDs are 9 chars; if it's not, then we didn't find one
                let opPost = "";
                if(posts[i].parentNode.classList.contains("op")) {
                    opPost = "overflow: auto;";
                }

                let archivePost = "border-top: 1px solid; width: fit-content;";
                if(posts[i].parentNode.tagName.toLowerCase() == "article") {
                    archivePost = "";
                }

                let html = `
                    <div style="margin-top: 1em; padding: 0.5em; ${archivePost} ${opPost}">
                        <span style="color: #b5346c; font-weight: bold;">TeleGuard ID:</span> <span class="fctgidd-teleguard-id ${rememberCopiedIDs && rememberedIDs.includes(id) ? `fctgidd-rememberedID" title="ID has been previously copied` : ``}">${id}</span>
                        <input type="button" class="fctgidd-copy-btn" id="fctgidd-copy-btn-${i}" data-fctgidd-teleguard-id="${id}" style="margin-left: 0.5em;" value="Copy"> <input type="button" class="fctgidd-hide-btn" id="fctgidd-hide-btn-${i}" data-fctgidd-teleguard-id="${id}" style="margin-left: 0.5em;" value="🚫">
                    </div>
                `;

                posts[i].insertAdjacentHTML("beforeend", html);

                document.getElementById(`fctgidd-copy-btn-${i}`).addEventListener("click", async function() {
                    let tempInput = document.createElement("input");
                    let id = this.getAttribute("data-fctgidd-teleguard-id").trim();
                    tempInput.value = id;
                    tempInput.select();
                    tempInput.setSelectionRange(0,66);

                    try {
                        await navigator.clipboard.writeText(tempInput.value);
                        this.value = "✓";

                        if(rememberCopiedIDs) {
                            // Refresh remembered ID list in case it was updated in another tab
                            rememberedIDs = GM_getValue("teleguard_rememberedIDs", []);
                            rememberedIDs.push(id);
                            GM_setValue("teleguard_rememberedIDs", rememberedIDs);
                            updateIDs();
                        }

                        window.setTimeout(function() {
                            document.getElementById(`fctgidd-copy-btn-${i}`).value = "Copy";
                        }, 3000);
                    } catch (err) {
                        alert("Failed to copy to clipboard: " + err);
                    }
                });

                document.getElementById(`fctgidd-hide-btn-${i}`).addEventListener("click", function() {
                    if(confirm("Hide all posts with this ID?")) {
                        hiddenIDs = GM_getValue("hiddenIDs", []);
                        let id = this.getAttribute("data-fctgidd-teleguard-id").trim()
                        hiddenIDs.push(id)
                        GM_setValue("hiddenIDs", hiddenIDs);
                        updateHiddenPosts();
                    }
                });
            }
        }
    }

    if(rememberCopiedIDs) {
        updateIDs();
    }

    updateHiddenPosts();
}

function setupOptions() {
    let parent = document.querySelector("div.bottomCtrl");

    if(site == "foolfuuka") {
        parent = document.querySelector("#footer");
    }

    let html = `
        <span id="fctgidd-options">
            <input type="checkbox" name="fctgidd-rememberIDs-check" id="fctgidd-rememberIDs-check" ${rememberCopiedIDs ? `checked` : ``}>
            <label for="fctgidd-rememberIDs-check" title="Disabling also clears already remembered IDs">Remember copied TeleGuard IDs</label> |
        </span>
    `;
    parent.insertAdjacentHTML("afterbegin", html);

    document.querySelector("#fctgidd-rememberIDs-check").addEventListener("change", function() {
        GM_setValue("teleguard_rememberCopiedIDs", this.checked);

        if(!this.checked) {
            // Clear already remembered IDs on disable
            GM_setValue("teleguard_rememberedIDs", []);
            GM_setValue("hiddenIDs", [])
        }

        location.reload();
    });
}

function updateIDs() {
    rememberedIDs = GM_getValue("teleguard_rememberedIDs", []);
    let idElems = document.querySelectorAll(".fctgidd-teleguard-id");
    for(let i = 0; i < idElems.length; i++) {
        if(rememberedIDs.includes(idElems[i].innerText.trim())) {
            idElems[i].classList.add("fctgidd-rememberedID");
            idElems[i].title = "ID has been previously copied";

            idElems[i].closest("div.post").classList.add("faded");
        }
    }
}

function updateHiddenPosts() {
    let hiddenIDs = GM_getValue("hiddenIDs", []);
    let idElems = document.querySelectorAll(".fctgidd-teleguard-id");
    for(let i = 0; i < idElems.length; i++) {
        if(hiddenIDs.includes(idElems[i].innerText.trim())) {
            idElems[i].closest("div.postContainer").classList.add("hidden");
        }
    }
}

new MutationObserver(function(event) { parsePosts(); }).observe(document.querySelector("div.thread"), {subtree: true, childList: true});
setupOptions();
parsePosts();