108 lines
4.1 KiB
JavaScript
108 lines
4.1 KiB
JavaScript
const fs = require('fs-extra'); // Reading README.md
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const path = require('path'); // Get the correct path for README.md
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const fetch = require('node-fetch'); // Make calls to Reddit from Node.js
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const qs = require('qs'); // Properly build a query for node-fetch POST
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const moment = require('moment'); // Time-related functions
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//#region constants
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// REDDIT_: For authentication with Reddit API. Oauth MUST be used. ID and Secret come from a "script" app type.
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const REDDIT_USER = process.env.REDDIT_USER || 'username';
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const REDDIT_PASS = process.env.REDDIT_PASS || 'password';
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const REDDIT_CLIENT_ID = process.env.REDDIT_CLIENT_ID || 'clientid';
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const REDDIT_CLIENT_SECRET = process.env.REDDIT_CLIENT_SECRET || 'clientsecret';
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// Initial basic authorization for getting the Oauth token
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const BASIC_AUTH = `Basic ${Buffer.from(REDDIT_CLIENT_ID + ':' + REDDIT_CLIENT_SECRET).toString('base64')}`;
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// WIKI_: For the Reddit Wiki
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const WIKI_SUBREDDIT = 'privacy';
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const WIKI_PAGE = 'de-google';
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const WIKI_REASON = 'Automated edit from GitHub repo: https://github.com/tycrek/degoogle';
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// Endpoints for each of our fetches to Reddit
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const ENDPOINTS = {
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revisions: `https://old.reddit.com/r/${WIKI_SUBREDDIT}/wiki/revisions/${WIKI_PAGE}.json`,
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token: 'https://www.reddit.com/api/v1/access_token',
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edit: `https://oauth.reddit.com/r/${WIKI_SUBREDDIT}/api/wiki/edit`
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};
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// Helps POST data be submitted properly
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const CONTENT_TYPE = 'application/x-www-form-urlencoded';
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//#endregion
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// Update the wiki
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Promise.all([getLastRevision(), getToken()])
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.then(([lastId, token]) => putWiki(lastId, token))
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.catch((err) => (console.error(err), process.exit(1)));
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//#region functions
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/**
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* Get the last revision ID on the Wiki. Required otherwise editing the wiki fails
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*/
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function getLastRevision() {
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return new Promise((resolve, reject) =>
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fetch(ENDPOINTS.revisions)
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.then((response) => response.json())
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.then((json) => json.data.children[0].id) // children[0] is the most recent edit
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.then(resolve)
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.catch(reject));
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}
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/**
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* Gets an Oauth token used to edit the Wiki
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*/
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function getToken() {
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return new Promise((resolve, reject) =>
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fetch(ENDPOINTS.token, {
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method: 'POST',
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headers: { 'Authorization': BASIC_AUTH, 'Content-Type': CONTENT_TYPE },
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body: qs.stringify({ grant_type: 'password', username: REDDIT_USER, password: REDDIT_PASS })
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})
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.then((response) => response.json())
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.then(({ access_token }) => resolve(access_token))
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.catch(reject));
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}
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/**
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* Post the contents from the README into the wiki
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* @param {String} lastId Revision ID for the Wiki
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* @param {String} token Oauth token for authenticating with the Reddit API
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*/
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function putWiki(lastId, token) {
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return new Promise((resolve, reject) =>
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fetch(ENDPOINTS.edit, {
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method: 'POST',
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headers: { 'Authorization': `bearer ${token}`, 'Content-Type': CONTENT_TYPE },
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body: qs.stringify({
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content: fixContent(fs.readFileSync(path.join(__dirname, 'README.md')).toString()),
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page: WIKI_PAGE,
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reason: WIKI_REASON,
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previous: lastId
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})
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})
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.then((response) => response.json())
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.then((json) => {
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if (Object.keys(json).length === 0) resolve();
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else throw Error(json);
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})
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.catch(reject));
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}
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/**
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* Fixes certain images to only show text on the Reddit wiki
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* @param {String} content The content in README.md
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*/
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function fixContent(content) {
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// Fix updated timestamp
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content = content.replace(/\!\[Updated\](.*?)square\)/g, `#### Updated: ${moment().format('MMMM Do YYYY')}`);
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// Fix published timestamps
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content = content.replace(/\!\[Published\]\(https\:\/\/img\.shields\.io\/badge\//g, '**');
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content = content.replace(/-informational\?style=flat-square\)/g, '**');
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return content;
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} // * If this is highlighted weirdly, it's because of the 'updated timestamp' regex, don't worry about it
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//#endregion
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