Unsaved all saved instagram posts

unsaveAllInstagramPosts.js

/*
 * unsaveAllInstagramPosts.js
 * usage: visit https://instagram.com and run in the browser console (you must be logged in)
 * version: 2021-03-07
 * issues: does not unsave sponsored posts
 */

unsaveAllInstagramPosts = async () => {
  const baseUrl = 'https://www.instagram.com';

  // get user id and csrf token from cookie
  const userId = document.cookie.match(/ds_user_id=([^;]+);/)[1];
  const csrftoken = document.cookie.match(/csrftoken=([^;]+);/)[1];

  // set request options
  const credentials = 'include';
  const headers = {
    'x-csrftoken': csrftoken,
  };

  // text parser
  const text = (it) => it.text();

  // sleep
  const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms));

  // get possible query hashes for saved posts query
  const queryHashes = await (async () => {
    const baseBody = await fetch(baseUrl, {
      method: 'GET',
      credentials,
    }).then(text);

    const jsBundlePath = baseBody.match(
      /(\/static\/bundles\/es6\/Consumer\.js[^"]+)/,
    )[1];

    const jsBundleUrl = baseUrl + jsBundlePath;
    const jsBundleBody = await fetch(jsBundleUrl, {
      method: 'GET',
      credentials,
    }).then(text);

    // console.log({ jsBundleBody });

    const queryIds = jsBundleBody
      .match(/queryId:"[^"]*"/g)
      .map((it) => it.match(/queryId:"([^"]*)"/)[1]);

    // console.log({ queryIds });

    return queryIds;
  })();

  // saved posts getter
  const getSavedPosts = async (first, after) => {
    console.log(`Fetching ${first} posts${after ? ` after ${after}` : ''}`);

    for (const queryHash of queryHashes) {
      const initialVariables = encodeURI(
        JSON.stringify({ id: userId, first, after }),
      );
      const initialSavedPostsQueryUrl =
        `${baseUrl}/graphql/query/` +
        `?query_hash=${queryHash}&variables=${initialVariables}`;

      let result = await fetch(initialSavedPostsQueryUrl, {
        method: 'GET',
        credentials,
        headers,
      })
        .then((it) => it.json())
        .catch(() => null);

      if (result && result.data.user.edge_saved_media) {
        return result.data.user.edge_saved_media;
      }
    }
  };

  let cursor;
  while (true) {
    const posts = await getSavedPosts(100, cursor);

    console.log(`Saved posts remaining: ${posts.count}`);

    if (posts.edges.length) {
      cursor = undefined;
      console.log(`Deleting ${posts.edges.length} posts`);
      for (const postId of posts.edges.map((it) => it.node.id)) {
        console.log(`Deleting post ${postId}`);
        const unsavePostUrl = `https://www.instagram.com/web/save/${postId}/unsave/`;
        await fetch(unsavePostUrl, {
          method: 'POST',
          credentials,
          headers,
        });
      }
    } else if (posts.page_info.has_next_page) {
      cursor = posts.page_info.end_cursor;
      console.log('No posts on this page, sleeping to avoid 429 errors');
      await sleep(5000);
      continue;
    } else {
      console.log('No more posts to delete!');
      break;
    }
  }
};

unsaveAllInstagramPosts().then(console.log).catch(console.error);