Old Reddit with New Reddit Profile Pictures - API Key Version - Reddit-Stream Version

Injects new Reddit profile pictures into Old Reddit and Reddit-Stream.com next to the username. Caches in localstorage. This version requires an API key. Enter your API Key under CLIENT_ID and CLIENT_SECRET or it will not work.

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

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

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.

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

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         Old Reddit with New Reddit Profile Pictures - API Key Version - Reddit-Stream Version
// @namespace    typpi.online
// @version      7.0.7
// @description  Injects new Reddit profile pictures into Old Reddit and Reddit-Stream.com next to the username. Caches in localstorage. This version requires an API key. Enter your API Key under CLIENT_ID and CLIENT_SECRET or it will not work.
// @author       Nick2bad4u
// @match        *://reddit-stream.com/*
// @connect      reddit.com
// @connect      reddit-stream.com
// @grant        GM_xmlhttpRequest
// @homepageURL  https://github.com/Nick2bad4u/UserStyles
// @license      Unlicense
// @resource     https://www.google.com/s2/favicons?sz=64&domain=reddit-stream.com
// @icon         https://www.google.com/s2/favicons?sz=64&domain=reddit-stream.com
// @icon64       https://www.google.com/s2/favicons?sz=64&domain=reddit-stream.com
// @run-at       document-start
// @tag          reddit
// ==/UserScript==

(function () {
	'use strict';
	console.log('Reddit Profile Picture Injector Script loaded');

	// Reddit API credentials
	const CLIENT_ID = 'EnterClientIDHere';
	const CLIENT_SECRET = 'EnterClientSecretHere';
	const USER_AGENT = 'ProfilePictureInjector/7.0.6 by Nick2bad4u';
	let accessToken = localStorage.getItem('accessToken');

	// Retrieve cached profile pictures and timestamps from localStorage
	let profilePictureCache = JSON.parse(
		localStorage.getItem('profilePictureCache') || '{}',
	);
	let cacheTimestamps = JSON.parse(
		localStorage.getItem('cacheTimestamps') || '{}',
	);
	const CACHE_DURATION = 7 * 24 * 60 * 60 * 1000; // 7 days in milliseconds
	const MAX_CACHE_SIZE = 100000; // Maximum number of cache entries
	const cacheEntries = Object.keys(profilePictureCache);

	// Rate limit variables
	let rateLimitRemaining = 1000;
	let rateLimitResetTime = 0;
	// eslint-disable-next-line @typescript-eslint/no-unused-vars
	const resetDate = new Date(rateLimitResetTime);
	// eslint-disable-next-line @typescript-eslint/no-unused-vars
	const now = Date.now();

	// Save the cache to localStorage
	function saveCache() {
		localStorage.setItem(
			'profilePictureCache',
			JSON.stringify(profilePictureCache),
		);
		localStorage.setItem('cacheTimestamps', JSON.stringify(cacheTimestamps));
	}

	// Remove old cache entries
	function flushOldCache() {
		console.log('Flushing old Reddit profile picture URL cache');
		const now = Date.now();
		for (const username in cacheTimestamps) {
			if (now - cacheTimestamps[username] > CACHE_DURATION) {
				console.log(`Deleting cache for Reddit user - ${username}`);
				delete profilePictureCache[username];
				delete cacheTimestamps[username];
			}
		}
		saveCache();
		console.log('Old cache entries flushed');
	}

	// Limit the size of the cache to the maximum allowed entries
	function limitCacheSize() {
		const cacheEntries = Object.keys(profilePictureCache);
		if (cacheEntries.length > MAX_CACHE_SIZE) {
			console.log(`Current cache size: ${cacheEntries.length}`);
			console.log('Cache size exceeded, removing oldest entries');
			const sortedEntries = cacheEntries.sort(
				(a, b) => cacheTimestamps[a] - cacheTimestamps[b],
			);
			const entriesToRemove = sortedEntries.slice(
				0,
				cacheEntries.length - MAX_CACHE_SIZE,
			);
			entriesToRemove.forEach((username) => {
				delete profilePictureCache[username];
				delete cacheTimestamps[username];
			});
			saveCache();
			console.log(
				`Cache size limited to ${MAX_CACHE_SIZE.toLocaleString()} URLs`,
			);
		}
	}

	function getCacheSizeInBytes() {
		const cacheEntries = Object.keys(profilePictureCache);
		let totalSize = 0;

		// Calculate size of profilePictureCache
		cacheEntries.forEach((username) => {
			const pictureData = profilePictureCache[username];
			const timestampData = cacheTimestamps[username];

			// Estimate size of data by serializing to JSON and getting the length
			totalSize += new TextEncoder().encode(JSON.stringify(pictureData)).length;
			totalSize += new TextEncoder().encode(
				JSON.stringify(timestampData),
			).length;
		});

		return totalSize; // in bytes
	}

	function getCacheSizeInMB() {
		return getCacheSizeInBytes() / (1024 * 1024); // Convert bytes to MB
	}

	function getCacheSizeInKB() {
		return getCacheSizeInBytes() / 1024; // Convert bytes to KB
	}

	// Obtain an access token from Reddit API
	async function getAccessToken() {
		console.log('Obtaining access token');
		const credentials = btoa(`${CLIENT_ID}:${CLIENT_SECRET}`);
		try {
			const response = await fetch(
				'https://www.reddit.com/api/v1/access_token',
				{
					method: 'POST',
					headers: {
						Authorization: `Basic ${credentials}`,
						'Content-Type': 'application/x-www-form-urlencoded',
					},
					body: 'grant_type=client_credentials',
				},
			);
			if (!response.ok) {
				console.error('Failed to obtain access token:', response.statusText);
				return null;
			}
			const data = await response.json();
			accessToken = data.access_token;
			const expiration = Date.now() + data.expires_in * 1000;
			localStorage.setItem('accessToken', accessToken);
			localStorage.setItem('tokenExpiration', expiration.toString());
			console.log('Access token obtained and saved');
			return accessToken;
		} catch (error) {
			console.error('Error obtaining access token:', error);
			return null;
		}
	}

	// Fetch profile pictures for a list of usernames
	async function fetchProfilePictures(usernames) {
		console.log('Fetching profile pictures');
		const now = Date.now();
		const tokenExpiration = parseInt(
			localStorage.getItem('tokenExpiration'),
			10,
		);

		// Check rate limit
		if (rateLimitRemaining <= 0 && now < rateLimitResetTime) {
			console.warn('Rate limit reached. Waiting until reset...');

			const timeRemaining = rateLimitResetTime - now;
			const minutesRemaining = Math.floor(timeRemaining / 60000);
			const secondsRemaining = Math.floor((timeRemaining % 60000) / 1000);

			console.log(
				`Rate limit will reset in ${minutesRemaining} minutes and ${secondsRemaining} seconds.`,
			);
			await new Promise((resolve) =>
				setTimeout(resolve, rateLimitResetTime - now),
			);
		}

		// Refresh access token if expired
		if (!accessToken || now > tokenExpiration) {
			accessToken = await getAccessToken();
			if (!accessToken) return null;
		}

		// Filter out cached usernames
		const uncachedUsernames = usernames.filter(
			(username) =>
				!profilePictureCache[username] &&
				username !== '[deleted]' &&
				username !== '[removed]',
		);
		if (uncachedUsernames.length === 0) {
			console.log('All usernames are cached');
			return usernames.map((username) => profilePictureCache[username]);
		}

		// Fetch profile pictures for uncached usernames
		const fetchPromises = uncachedUsernames.map(async (username) => {
			try {
				const response = await fetch(
					`https://oauth.reddit.com/user/${username}/about`,
					{
						headers: {
							Authorization: `Bearer ${accessToken}`,
							'User-Agent': USER_AGENT,
						},
					},
				);

				// Update rate limit
				rateLimitRemaining =
					parseInt(response.headers.get('x-ratelimit-remaining')) ||
					rateLimitRemaining;
				rateLimitResetTime =
					now + parseInt(response.headers.get('x-ratelimit-reset')) * 1000 ||
					rateLimitResetTime;

				// Log rate limit information
				const timeRemaining = rateLimitResetTime - now;
				const minutesRemaining = Math.floor(timeRemaining / 60000);
				const secondsRemaining = Math.floor((timeRemaining % 60000) / 1000);

				console.log(
					`Rate Limit Requests Remaining: ${rateLimitRemaining} requests, reset in ${minutesRemaining} minutes and ${secondsRemaining} seconds`,
				);

				if (!response.ok) {
					console.error(
						`Error fetching profile picture for ${username}: ${response.statusText}`,
					);
					return null;
				}
				const data = await response.json();
				if (data.data && data.data.icon_img) {
					const profilePictureUrl = data.data.icon_img.split('?')[0];
					profilePictureCache[username] = profilePictureUrl;
					cacheTimestamps[username] = Date.now();
					saveCache();
					console.log(`Fetched profile picture: ${username}`);
					return profilePictureUrl;
				} else {
					console.warn(`No profile picture found for: ${username}`);
					return null;
				}
			} catch (error) {
				console.error(`Error fetching profile picture for ${username}:`, error);
				return null;
			}
		});

		// eslint-disable-next-line @typescript-eslint/no-unused-vars
		const results = await Promise.all(fetchPromises);
		limitCacheSize();
		return usernames.map((username) => profilePictureCache[username]);
	}

	// Inject profile pictures into comments
	async function injectProfilePictures(comments) {
		console.log(`Comments found: ${comments.length}`);
		const usernames = Array.from(comments)
			.map((comment) => comment.textContent.trim())
			.filter(
				(username) => username !== '[deleted]' && username !== '[removed]',
			);
		const profilePictureUrls = await fetchProfilePictures(usernames);

		let injectedCount = 0; // Counter for injected profile pictures

		comments.forEach((comment, index) => {
			const username = usernames[index];
			const profilePictureUrl = profilePictureUrls[index];
			if (
				profilePictureUrl &&
				!comment.previousElementSibling?.classList.contains('profile-picture')
			) {
				console.log(`Injecting profile picture: ${username}`);
				const img = document.createElement('img');
				img.src = profilePictureUrl;
				img.classList.add('profile-picture');
				img.onerror = () => {
					img.style.display = 'none';
				};
				img.addEventListener('click', () => {
					window.open(profilePictureUrl, '_blank');
				});
				comment.insertAdjacentElement('beforebegin', img);

				const enlargedImg = document.createElement('img');
				enlargedImg.src = profilePictureUrl;
				enlargedImg.classList.add('enlarged-profile-picture');
				document.body.appendChild(enlargedImg);
				img.addEventListener('mouseover', () => {
					enlargedImg.style.display = 'block';
					const rect = img.getBoundingClientRect();
					enlargedImg.style.top = `${rect.top + window.scrollY + 20}px`;
					enlargedImg.style.left = `${rect.left + window.scrollX + 20}px`;
				});
				img.addEventListener('mouseout', () => {
					enlargedImg.style.display = 'none';
				});

				injectedCount++; // Increment count after successful injection
			}
		});

		console.log(`Profile pictures injected this run: ${injectedCount}`);
		console.log(`Current cache size: ${cacheEntries.length}`);
		console.log(`Cache size limited to ${MAX_CACHE_SIZE}`);
		const currentCacheSizeMB = getCacheSizeInMB();
		const currentCacheSizeKB = getCacheSizeInKB();
		console.log(
			`Current cache size: ${currentCacheSizeMB.toFixed(2)} MB or ${currentCacheSizeKB.toFixed(2)} KB`,
		);

		const timeRemaining = rateLimitResetTime - Date.now();
		const minutesRemaining = Math.floor(timeRemaining / 60000);
		const secondsRemaining = Math.floor((timeRemaining % 60000) / 1000);
		console.log(
			`Rate Limit Requests Remaining: ${rateLimitRemaining}, refresh in ${minutesRemaining} minutes and ${secondsRemaining} seconds`,
		);
	}

	// Set up a MutationObserver to detect new comments
	function setupObserver() {
		console.log('Setting up observer to detect reddit comments');

		const processedComments = new Set(); // Track already processed comments
		let newCommentsBatch = []; // Store new comments temporarily
		let batchTimeout; // Timeout variable for batching
		let isFirstRun = true; // Flag to check if it's the first run

		const observer = new MutationObserver((mutations) => {
			mutations.forEach((mutation) => {
				mutation.addedNodes.forEach((node) => {
					if (node.nodeType === Node.ELEMENT_NODE) {
						const newComments = Array.from(
							node.querySelectorAll('.author, .c-username'),
						).filter((comment) => !processedComments.has(comment));

						if (newComments.length > 0) {
							newComments.forEach((comment) => {
								processedComments.add(comment);
								newCommentsBatch.push(comment); // Add to batch
							});

							// Clear previous timeout and set a new one for batching
							clearTimeout(batchTimeout);

							// Set a delay for the first run, then use regular debounce for others
							batchTimeout = setTimeout(
								() => {
									injectProfilePictures(newCommentsBatch);
									newCommentsBatch = []; // Reset the batch
									isFirstRun = false; // Disable first run flag after initial run
								},
								isFirstRun ? 150 : 100,
							); // First run delay: 1000ms, regular: 300ms
						}
					}
				});
			});
		});

		observer.observe(document.body, {
			childList: true,
			subtree: true,
		});

		console.log('Observer initialized');
	}

	// Run the script
	function runScript() {
		flushOldCache();
		console.log('Cache loaded:', profilePictureCache);
		setupObserver();
	}

	window.addEventListener('load', () => {
		console.log('Page loaded');
		runScript();
	});

	// Add CSS styles for profile pictures
	const style = document.createElement('style');
	style.textContent = `
        .profile-picture {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            margin-right: 5px;
            transition: transform 0.2s ease-in-out;
            position: relative;
            z-index: 1;
            cursor: pointer;
        }
        .enlarged-profile-picture {
            width: 250px;
            height: 250px;
            border-radius: 50%;
            position: absolute;
            display: none;
            z-index: 1000;
            pointer-events: none;
            outline: 3px solid #000;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 1);
            background-color: rgba(0, 0, 0, 1);
        }
    `;
	document.head.appendChild(style);
})();