Extract and save Steam friend chat messages to a file, even when the page has "Load more" button
目前為
// ==UserScript==
// @name Steam Chat Message Logger (with Load More)
// @namespace Violentmonkey Scripts
// @version 1.1
// @description Extract and save Steam friend chat messages to a file, even when the page has "Load more" button
// @author Snabb
// @match https://help.steampowered.com/en/accountdata/GetFriendMessagesLog
// @grant GM_download
// @license MIT
// ==/UserScript==
(function() {
'use strict';
// Cache the load more button element
const loadMoreButton = document.querySelector('.AccountDataLoadMore');
// Cache the last message
let lastMessage = "";
// Function to generate a hash for a message
function hashMessage(sender, recipient, timeSent, message) {
const messageString = `${sender}-${recipient}-${timeSent}-${message}`;
let hash = 0;
for (let i = 0; i < messageString.length; i++) {
hash = (hash << 5) - hash + messageString.charCodeAt(i);
hash |= 0; // Convert to 32bit integer
}
return hash;
}
// Function to click the "Load more" button
function clickLoadMore() {
if (loadMoreButton) {
loadMoreButton.click();
return true; // Button found and clicked
}
return false; // No "Load more" button
}
// Function to extract and save chat messages
function extractMessages() {
let messages = [];
// Keep track of hashed messages
let seenHashes = new Set();
// Cache the rows outside the loop
let rows = document.querySelectorAll('tbody tr');
let newLastMessage = "";
rows.forEach((row, index) => {
//query only once per row
let columns = row.querySelectorAll('td');
if (columns.length >= 4) {
// Extracting the Sender, Recipient, Time Sent, and Message
let sender = columns[0].textContent.trim();
let recipient = columns[1].textContent.trim();
let timeSent = columns[2].textContent.trim();
let message = columns[3].textContent.trim();
// Generate the hash
const messageHash = hashMessage(sender, recipient, timeSent, message);
// check if the message has been seen.
if (!seenHashes.has(messageHash)) {
// Store the message in the array
messages.push(`${sender} -> ${recipient} (${timeSent}): ${message}`);
// Keep track of this message
seenHashes.add(messageHash);
} else {
console.log("Duplicate message found:", sender, recipient, timeSent, message);
}
// Update last message, in the last row.
if(index == rows.length-1){
newLastMessage = `${sender} -> ${recipient} (${timeSent}): ${message}`
}
}
});
// Compare the last messages
if (lastMessage === newLastMessage) {
console.log("No new messages found, end of history reached.");
return;
} else {
lastMessage = newLastMessage;
}
// Convert the messages array to a string for downloading
const messageText = messages.join('\n');
const blob = new Blob([messageText], { type: 'text/plain' });
const url = URL.createObjectURL(blob);
// Create a downloadable link
const link = document.createElement('a');
link.href = url;
link.download = `steam_chat_log_${new Date().toISOString()}.txt`;
link.click();
// Clean up
URL.revokeObjectURL(url);
}
// Function to repeatedly load more messages until no more "Load more" button is found
function loadAndExtract() {
const MAX_ATTEMPTS = 24; // Maximum number of attempts
let attempts = 0;
let delay = 1000; // Start with a 1-second delay
const maxDelay = 5000; // Maximum delay of 5 seconds
let lastMessageCount = 0;
let sameCountCount = 0;
function tryLoadAndExtract() {
// Check if the maximum amount of attempts has been reached
if (attempts >= MAX_ATTEMPTS) {
console.log(`Reached maximum attempts (${MAX_ATTEMPTS}). Stopping.`);
extractMessages();
return; // Stop trying to load more
}
const currentMessageCount = document.querySelectorAll('tbody tr').length;
if (clickLoadMore()) {
attempts++;
console.log(`Clicked "Load more", attempt: ${attempts}`);
// If message count has not changed, increase delay
if (currentMessageCount === lastMessageCount) {
sameCountCount++;
delay = Math.min(delay + 500, maxDelay); // Increase by 500ms, up to 5 seconds
// Check if there is no new messages in the last 3 attempts.
if(sameCountCount >= 3) {
console.log("No new messages for 3 attempts, assuming end of chat history.");
extractMessages();
return;
}
} else {
sameCountCount = 0; // Reset count
delay = 1000; // Reset delay if new messages loaded
}
lastMessageCount = currentMessageCount;
setTimeout(tryLoadAndExtract, delay); // Use dynamic delay
} else {
// No more "Load more" button found, extract messages
extractMessages();
}
}
tryLoadAndExtract();
}
// Start the process of loading and extracting messages
loadAndExtract();
})();