x_block_inject.js

// Loon 脚本：X 一键拉黑
// 适配 Loon 的 http-response 注入格式

function main() {
  // 获取响应体
  let body = $response.body;
  
  // 如果没有响应体或者不是 HTML，直接返回
  if (!body || !body.toLowerCase().includes('<!doctype') && !body.toLowerCase().includes('<html')) {
    $done({ body });
    return;
  }

  // 要注入的脚本代码（去掉了最外层的立即执行函数，因为会在注入时添加）
  const injectScript = `
(function() {
    'use strict';
    const blockMenuPathSnippet = 'M12 3.75c-4.55';
    const blockSvg = \`
        <svg viewBox="0 0 24 24" aria-hidden="true" class="quick-block-svg">
            <g><path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8 0-1.87.64-3.6 1.72-5.01l11.29 11.29C15.6 19.36 13.87 20 12 20zm6.28-2.99L6.99 5.72C8.4 4.64 10.13 4 12 4c4.41 0 8 3.59 8 8 0 1.87-.64 3.6-1.72 5.01z"></path></g>
        </svg>
    \`;
    const btnStyle = \`
        background-color: transparent;
        border: none;
        border-radius: 9999px;
        width: 30px;
        height: 30px;
        margin-right: 2px;
        cursor: pointer;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        transition: background-color 0.2s;
        z-index: 10;
    \`;
    const styleSheet = document.createElement("style");
    styleSheet.textContent = \`
        .quick-block-svg {
            width: 18px;
            height: 18px;
            fill: #71767b;
            transition: fill 0.2s ease-in-out;
        }
        .quick-block-btn-feed:hover .quick-block-svg,
        .quick-block-btn-profile:hover .quick-block-svg {
            fill: rgb(244, 33, 46);
        }
        .quick-block-btn-feed:hover,
        .quick-block-btn-profile:hover {
            background-color: rgba(244, 33, 46, 0.1) !important;
        }
        .quick-block-btn-profile {
            margin-left: 8px;
            margin-right: 8px;
        }
    \`;
    document.head.appendChild(styleSheet);
    const randomDelay = (min, max) =>
        new Promise(res => setTimeout(res, Math.floor(Math.random() * (max - min + 1) + min)));
    function getLoggedUsername() {
        const accountBtn = document.querySelector('[data-testid="SideNav_AccountSwitcher_Button"]');
        if (!accountBtn) return null;
        const usernameSpan = accountBtn.querySelector('span');
        const allSpans = accountBtn.querySelectorAll('span');
        for (let span of allSpans) {
            const text = span.textContent.trim();
            if (text.startsWith('@')) {
                return text.substring(1);
            }
        }
        const avatarContainer = accountBtn.querySelector('[data-testid^="UserAvatar-Container-"]');
        if (avatarContainer) {
            return avatarContainer.getAttribute('data-testid').replace('UserAvatar-Container-', '');
        }
        return null;
    }
    function getProfileUsernameFromPath() {
        const m = window.location.pathname.match(/^\\/([^\\/?#]+)/);
        return m ? m[1] : null;
    }
    function isOwnTweet(tweet, loggedUsername) {
        if (!loggedUsername) return false;
        const analyticsLink = tweet.querySelector('a[href$="/analytics"]');
        if (!analyticsLink) return false;
        const href = analyticsLink.getAttribute('href');
        const regex = new RegExp(\`^\\/\${loggedUsername}\\/status\\/\\d+\\/analytics$\`);
        return regex.test(href);
    }
    async function performBlock(triggerElement) {
        if (!triggerElement) return;
        triggerElement.click();
        await randomDelay(50, 100);
        const menuItems = document.querySelectorAll('[role="menuitem"], [role="menuitemradio"]');
        const blockOption = Array.from(menuItems).find(item => {
            const pathEl = item.querySelector('svg path');
            const d = pathEl && pathEl.getAttribute && pathEl.getAttribute('d');
            return d && d.includes(blockMenuPathSnippet);
        });
        if (blockOption) {
            blockOption.click();
            await randomDelay(50, 100);
            const confirmBtn = document.querySelector('[data-testid="confirmationSheetConfirm"]');
            if (confirmBtn) confirmBtn.click();
        } else {
            triggerElement.click();
        }
    }
    function createBlockBtnForCaret(caret) {
        const btn = document.createElement('button');
        btn.innerHTML = blockSvg;
        btn.setAttribute('style', btnStyle);
        btn.className = 'quick-block-btn-feed';
        btn.title = 'Block user';
        btn.onclick = (e) => {
            e.preventDefault();
            e.stopPropagation();
            performBlock(caret);
        };
        return btn;
    }
    function createBlockBtnForProfile(moreButton) {
        const btn = moreButton.cloneNode(true);
        btn.removeAttribute('data-testid');
        btn.removeAttribute('aria-expanded');
        btn.removeAttribute('aria-haspopup');
        btn.classList.add('quick-block-btn-profile');
        btn.setAttribute('style', moreButton.getAttribute('style') || '');
        const svgContainer = btn.querySelector('svg');
        if (svgContainer) {
            svgContainer.outerHTML = \`
                <svg viewBox="0 0 24 24" aria-hidden="true" class="\${svgContainer.className.baseVal}">
                    <g>
                        <path d="M12 2C6.48 2 2 6.48 2 12s4.48 10 10 10 10-4.48 10-10S17.52 2 12 2zm0 18c-4.41 0-8-3.59-8-8 0-1.87.64-3.6 1.72-5.01l11.29 11.29C15.6 19.36 13.87 20 12 20zm6.28-2.99L6.99 5.72C8.4 4.64 10.13 4 12 4c4.41 0 8 3.59 8 8 0 1.87-.64 3.6-1.72 5.01z"></path>
                    </g>
                </svg>
            \`;
        }
        btn.onclick = (e) => {
            e.preventDefault();
            e.stopPropagation();
            performBlock(moreButton);
        };
        return btn;
    }
    function injectFeedButtons(loggedUsername) {
        if (!loggedUsername) return;
        const tweets = document.querySelectorAll('[data-testid="tweet"]');
        tweets.forEach(tweet => {
            if (tweet.querySelector('.quick-block-btn-feed')) return;
            if (isOwnTweet(tweet, loggedUsername)) return;
            const caret = tweet.querySelector('[data-testid="caret"]');
            if (caret && caret.parentNode) {
                const blockBtn = createBlockBtnForCaret(caret);
                caret.parentNode.insertBefore(blockBtn, caret);
            }
        });
    }
    function injectProfileButton(loggedUsername) {
        const profileUsername = getProfileUsernameFromPath();
        if (!profileUsername) return;
        if (!loggedUsername) return;
        if (profileUsername === loggedUsername) return;
        const moreButton = document.querySelector('[data-testid="userActions"]');
        if (!moreButton) return;
        const parent = moreButton.parentNode;
        if (!parent) return;
        if (parent.querySelector('.quick-block-btn-profile')) return;
        const blockBtn = createBlockBtnForProfile(moreButton);
        parent.insertBefore(blockBtn, moreButton);
    }
    function injectAll() {
        const loggedUsername = getLoggedUsername();
        if (!loggedUsername) return;
        injectFeedButtons(loggedUsername);
        injectProfileButton(loggedUsername);
    }
    let timeout = null;
    const observer = new MutationObserver(() => {
        clearTimeout(timeout);
        timeout = setTimeout(injectAll, 150);
    });
    observer.observe(document.body, { childList: true, subtree: true });
    injectAll();
})();
  `;

  // 在 </body> 标签之前注入脚本（如果找不到 </body>，就在 </html> 之前注入）
  let modifiedBody = body;
  const scriptTag = `<script>${injectScript}</script>`;
  
  if (body.includes('</body>')) {
    modifiedBody = body.replace('</body>', scriptTag + '</body>');
  } else if (body.includes('</html>')) {
    modifiedBody = body.replace('</html>', scriptTag + '</html>');
  } else {
    // 如果都找不到，直接添加到末尾
    modifiedBody = body + scriptTag;
  }

  // 返回修改后的响应
  $done({ body: modifiedBody });
}

// 执行主函数
main();