InsCNM

Automatically fetch media information from Instagram URLs.
当前为 2024-10-10 提交的版本，查看最新版本。
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// ==UserScript==
// @name         InsCNM
// @namespace    http://tampermonkey.net/
// @version      5.1
// @description  Automatically fetch media information from Instagram URLs.
// @author       Belugu
// @match        https://www.instagram.com/p/*
// @match        https://www.instagram.com/reel/*
// @grant        GM_xmlhttpRequest
// @require      https://code.jquery.com/jquery-3.6.0.min.js
// @icon         https://iili.io/29TPCR1.jpg
// ==/UserScript==
 
(function() {
  // Main logic
  $(document).ready(async function() {
    if (window.location.href.match(/^https:\/\/www\.instagram\.com\/(p|reel)\/[a-zA-Z0-9_-]+\/$/)) {
      const shortcode = extractShortcodeFromURL(window.location.href);
      if (shortcode) {
        const mediaInfo = await fetchMediaInfoByShortcode(shortcode);
        if (mediaInfo) {
          const { taken_at, comment_count, like_count } = mediaInfo.items[0];
          showMediaInfoUI(`
            <p>发布时间: ${new Date(taken_at * 1000).toLocaleString()} <button class="copy-btn" data-copy="${new Date(taken_at * 1000).toLocaleString()}" style="background:none; border:none; cursor:pointer;">🗿</button></p>
            <p>评论数: ${comment_count} <button class="copy-btn" data-copy="${comment_count}" style="background:none; border:none; cursor:pointer;">🗿</button></p>
            <p>点赞数: ${like_count} <button class="copy-btn" data-copy="${like_count}" style="background:none; border:none; cursor:pointer;">🗿</button></p>
          `);
        } else {
          showMediaInfoUI('<p>获取媒体信息失败。</p>');
        }
      }
    }
  });
 
  function showMediaInfoUI(mediaInfoHtml) {
    const container = $(
      `<div id="instagram-fetcher-ui" style="position:fixed; top:20px; right:-350px; background:white; color:black; border:1px solid #ccc; padding:15px; z-index:10000; width:300px; border-radius:10px;">
        <div style="display: flex; justify-content: space-between; align-items: center;">
          <h3 style="color:black; margin:0;">输入网址后按 Enter 搜索</h3>
          <button id="close-ui-button" style="background:none; border:none; font-size:20px; cursor:pointer; color:black;">&times;</button>
        </div>
        <div id="input-area" style="display: flex; align-items: center; margin-top:10px;">
          <input type="text" id="instagram-url-input" placeholder="输入网址" style="width:80%; padding:5px; color:black; border:1px solid #ccc; border-radius:5px; box-shadow:none; outline:none;"/>
        </div>
        <div id="media-info-output" style="margin-top:15px; font-size:14px;">${mediaInfoHtml}</div>
      </div>`
    );
 
    $('body').append(container);
    $('#instagram-fetcher-ui').animate({ right: '20px' }, 400);
 
    $('#instagram-url-input').on('keyup', async function(e) {
      if (e.which === 13) { // Enter key pressed
        const url = $('#instagram-url-input').val();
        console.log("User entered URL:", url);
        if (url) {
          const shortcode = extractShortcodeFromURL(url);
          if (shortcode) {
            $('#media-info-output').text('正在获取媒体信息...');
            const mediaInfo = await fetchMediaInfoByShortcode(shortcode);
            if (mediaInfo) {
              const { taken_at, comment_count, like_count } = mediaInfo.items[0];
              $('#media-info-output').html(
                `<p>发布时间: ${new Date(taken_at * 1000).toLocaleString()} <button class="copy-btn" data-copy="${new Date(taken_at * 1000).toLocaleString()}" style="background:none; border:none; cursor:pointer;">🗿</button></p>
                 <p>评论数: ${comment_count} <button class="copy-btn" data-copy="${comment_count}" style="background:none; border:none; cursor:pointer;">🗿</button></p>
                 <p>点赞数: ${like_count} <button class="copy-btn" data-copy="${like_count}" style="background:none; border:none; cursor:pointer;">🗿</button></p>`
              );
            } else {
              $('#media-info-output').text('获取媒体信息失败。');
            }
          } else {
            $('#media-info-output').text('无效的 Instagram URL。');
          }
        }
      }
    });
 
    $('#close-ui-button').click(function() {
      $(this).css({ transform: 'scale(0.95)' });
      setTimeout(() => $(this).css({ transform: 'scale(1)' }), 100);
      $('#instagram-fetcher-ui').animate({ right: '-350px' }, 400, function() {
        $(this).remove();
      });
    });
 
    $(document).on('click', '.copy-btn', function() {
      const textToCopy = $(this).data('copy');
      navigator.clipboard.writeText(textToCopy).then(() => {
        showNotification("已复制到剪贴板");
      }).catch(err => {
        console.error('复制失败:', err);
      });
    });
  }
 
  // Function to get a random gradient color
  function getRandomGradient() {
    const gradients = [
      '#6a11cb, #2575fc',  // Blue gradient
      '#11998e, #38ef7d',  // Green gradient
      '#ff7e5f, #feb47b',  // Original orange gradient
      '#ff6a00, #ee0979',  // Red gradient
      '#43cea2, #185a9d'   // Aqua gradient
    ];
    return gradients[Math.floor(Math.random() * gradients.length)];
  }
 
  // Function to show a simple notification with animation
  function showNotification(message) {
    const gradient = getRandomGradient(); // Get the gradient before usage
    const notification = $(
      `<div class="notification" style="position:fixed; bottom:-60px; right:20px; background: linear-gradient(to right, ${gradient}); color:white; padding:10px; border-radius:5px; z-index:10001; opacity:0.9;">
        ${message}
      </div>`
    );
 
    // Adjust the position of existing notifications
    $('.notification').each(function() {
      const currentBottom = parseInt($(this).css('bottom'));
      $(this).css('bottom', currentBottom + 60 + 'px');
    });
 
    $('body').append(notification);
    notification.animate({ bottom: '40px', opacity: 1 }, 400).delay(3000).animate({ opacity: 0 }, 400, function() {
      $(this).remove();
    });
  }
 
  // Listen for Alt+N to toggle the input UI
  document.addEventListener('keydown', function (e) {
    if (e.altKey && e.key === 'n') {
      const container = $('#instagram-fetcher-ui');
      if (container.length) {
        container.find('#close-ui-button').click();
      } else {
        showMediaInfoUI('<p>输入网址后按 Enter 搜索。</p>');
      }
    }
  });
 
  // Function to extract the shortcode from a given URL
  function extractShortcodeFromURL(url) {
    try {
      const urlObj = new URL(url);
      const pathSegments = urlObj.pathname.split('/');
      console.log("URL Object:", urlObj);
      console.log("Path Segments:", pathSegments);
      if (pathSegments[1] === 'p' || pathSegments[1] === 'reel') {
        return pathSegments[2] ? pathSegments[2] : null;
      }
      return null;
    } catch (error) {
      console.error("Error extracting shortcode from URL:", error);
      return null;
    }
  }
 
  // Function to fetch media info by shortcode
  async function fetchMediaInfoByShortcode(shortcode) {
    const mediaId = await getMediaID(shortcode);
    if (!mediaId) {
      console.error("Failed to fetch media ID.");
      $('#media-info-output').text('获取媒体 ID 失败，请稍后重试。');
      return null;
    }
 
    try {
      const mediaInfo = await getMediaInfo(mediaId);
      console.log("Media Info:", mediaInfo);
      return mediaInfo;
    } catch (error) {
      console.error("Error retrieving media info:", error);
      return null;
    }
  }
 
  // Function to fetch media ID using shortcode
  async function getMediaID(shortcode) {
    try {
      const response = await fetch(`https://www.instagram.com/p/${shortcode}/`, {
        headers: {
          "User-Agent": window.navigator.userAgent,
          "Accept": "text/html"
        }
      });
      if (!response.ok) {
        throw new Error(`HTTP error! status: ${response.status}`);
      }
      const html = await response.text();
      const mediaIdMatch = html.match(/"media_id":"(\d+)"/);
      if (mediaIdMatch) {
        return mediaIdMatch[1];
      } else {
        console.error("Media ID not found in page HTML.");
      }
    } catch (error) {
      console.error("Error fetching media ID:", error);
    }
    return null;
  }
 
  // Function to get app ID
  function getAppID() {
    let result = null;
    $('script[type="application/json"]').each(function() {
      const regexp = /"APP_ID":"([0-9]+)"/ig;
      const matcher = $(this).text().match(regexp);
      if (matcher != null && result == null) {
        result = [...$(this).text().matchAll(regexp)];
      }
    });
    return (result) ? result.at(0).at(-1) : null;
  }
 
  // Function to get media info using media ID
  async function getMediaInfo(mediaId) {
    return new Promise((resolve, reject) => {
      let getURL = `https://i.instagram.com/api/v1/media/${mediaId}/info/`;
 
      if (mediaId == null) {
        console.error("Cannot call Media API because the media ID is invalid.");
        reject("Cannot call Media API because the media ID is invalid.");
        return;
      }
 
      GM_xmlhttpRequest({
        method: "GET",
        url: getURL,
        headers: {
          "User-Agent": window.navigator.userAgent,
          "Accept": "application/json",
          'X-IG-App-ID': getAppID()
        },
        onload: function (response) {
          try {
            if (response.finalUrl == getURL) {
              let obj = JSON.parse(response.responseText);
              resolve(obj);
            } else {
              let finalURL = new URL(response.finalUrl);
              if (finalURL.pathname.startsWith('/accounts/login')) {
                console.error("The account must be logged in to access Media API.");
              } else {
                console.error('Unable to retrieve content because the API was redirected to "' + response.finalUrl + '"');
              }
              reject(-1);
            }
          } catch (error) {
            console.error("Error parsing JSON response:", error);
            reject(error);
          }
        },
        onerror: function (err) {
          reject(err);
        }
      });
    });
  }
})();