Auto-loads images from the main host to bypass CDN issues. Click "PICK" to manually change servers.
// ==UserScript==
// @name Fix Mangapark Image Loading Issue
// @namespace http://tampermonkey.net/
// @version 0.25
// @description Auto-loads images from the main host to bypass CDN issues. Click "PICK" to manually change servers.
// @match https://mangapark.io/title/*-chapter-*
// @match https://mangapark.io/title/*-ch-*
// @match https://mangapark.io/title/*-prologue
// @match https://mangapark.io/title/*-oneshot
// @match https://mangapark.net/title/*-chapter-*
// @match https://mangapark.net/title/*-ch-*
// @match https://mangapark.net/title/*-prologue
// @match https://mangapark.net/title/*-oneshot
// @match https://mpark.to/title/*-chapter-*
// @match https://mpark.to/title/*-ch-*
// @match https://mpark.to/title/*-prologue
// @match https://mpark.to/title/*-oneshot
// @match https://mangapark.to/title/*-chapter-*
// @match https://mangapark.to/title/*-ch-*
// @match https://mangapark.to/title/*-prologue
// @match https://mangapark.to/title/*-oneshot
// @license MIT
// @grant none
// @run-at document-idle
// ==/UserScript==
(function() {
'use strict';
// Prevent script from running multiple times
if (window.__mpFixInitialized) return;
window.__mpFixInitialized = true;
// Configuration
const CONFIG = {
CDN_SERVERS: [
"s01", "s02", "s03", "s04",
"s05", "s06", "s07", "s08", "s09", "s10"
],
BUTTON_TEXT: "PICK",
BUTTON_POSITION: {
top: "20px",
right: "70px"
}
};
// Regex to detect the problematic CDN subdomains (s00-s10)
const SUBDOMAIN_REGEX = /(https?:)?\/\/s(\d{2})\./i;
let pickerMode = false;
let currentHover = null;
/**
* Generates a "Fixed" URL using the current page's host.
* This mimics the logic of the working script you provided.
*/
function getMainHostUrl(originalSrc) {
try {
const url = new URL(originalSrc);
// Replace the CDN host with the current page's host
return `https://${window.location.host}${url.pathname}`;
} catch (e) {
return originalSrc;
}
}
/**
* Check if a URL is a candidate for fixing (s00-s10 pattern)
*/
function isSupportedImage(url) {
return SUBDOMAIN_REGEX.test(url);
}
/**
* Get next CDN server (fallback logic)
*/
function getNextCDN(currentSrc, retryCount) {
const match = currentSrc.match(SUBDOMAIN_REGEX);
if (!match) return currentSrc;
const currentServerNum = match[2]; // e.g., "04"
let currentIndex = parseInt(currentServerNum, 10) - 1;
if (currentIndex < 0 || currentIndex > 9) currentIndex = 0;
const nextIndex = (currentIndex + 1 + retryCount) % CONFIG.CDN_SERVERS.length;
return CONFIG.CDN_SERVERS[nextIndex]; // Returns "s05"
}
/**
* Handle image loading errors.
* Strategy 1: Try Main Host (if not already tried).
* Strategy 2: Fallback to cycling CDNs.
*/
function handleImageError(img) {
const retryCount = Number(img.dataset.retryCount || "0");
const originalSrc = img.src;
if (!isSupportedImage(originalSrc) && !img.dataset.isMainHost) {
// If we can't handle it, give up
return;
}
// Step 1: If we haven't tried the Main Host fix yet, DO IT.
if (!img.dataset.triedMainHost) {
const newSrc = getMainHostUrl(originalSrc);
if (newSrc !== originalSrc) {
console.warn(`[MainHost Fix] Replacing: ${originalSrc.substring(0, 50)}...`);
img.dataset.triedMainHost = "true";
img.dataset.isMainHost = "true";
img.src = '';
setTimeout(() => { img.src = newSrc; }, 100);
return;
}
}
// Step 2: If Main Host failed or wasn't applicable, cycle CDNs
if (retryCount < 9) {
const nextServerPrefix = getNextCDN(originalSrc, retryCount);
const newSrc = originalSrc.replace(SUBDOMAIN_REGEX, (match, protocol, oldNum) => {
return (protocol || 'https:') + '//' + nextServerPrefix + '.';
});
console.warn(`[CDN Cycle] Attempt ${retryCount + 1}: ${nextServerPrefix}`);
img.dataset.retryCount = String(retryCount + 1);
img.src = '';
setTimeout(() => { img.src = newSrc; }, 100);
} else {
console.error(`✗ All retries exhausted for: ${originalSrc}`);
img.dataset.failed = "true";
img.style.border = "2px solid red";
img.title = "Failed to load from all sources";
}
}
/**
* Set up error handling
*/
function setupImageErrorHandler(img) {
if (img.dataset.mpHandlerAttached) return;
img.dataset.mpHandlerAttached = "true";
img.addEventListener('error', () => handleImageError(img));
img.addEventListener('load', () => {
delete img.dataset.failed;
if (!img.dataset.isMainHost) {
// If it loaded successfully from a CDN, we keep it.
// If it loaded from Main Host, we keep it.
}
});
}
/**
* Initializes a single image element.
* Now performs proactive fixing based on the working script logic.
*/
function initializeImage(img) {
// Only process images matching the bad CDN pattern
if (!isSupportedImage(img.src)) return;
if (img.dataset.mpFixed) return;
console.log(`[AutoFix] Found target: ${img.src.substring(0, 50)}...`);
// --- PROACTIVE FIX LOGIC (From the working script) ---
// Immediately replace the CDN URL with the Main Host URL.
const newSrc = getMainHostUrl(img.src);
if (img.src !== newSrc) {
console.log(`[AutoFix] Switching to Main Host: ${newSrc.substring(0, 50)}...`);
img.src = newSrc;
img.dataset.isMainHost = "true"; // Mark it so we know it's the "fixed" version
}
// ------------------------------------------------------
setupImageErrorHandler(img);
img.dataset.mpFixed = "true";
}
/**
* Find and initialize all images already present.
*/
function initializeExistingImages() {
const allImages = document.querySelectorAll('img[src]');
allImages.forEach(img => {
if (isSupportedImage(img.src)) {
initializeImage(img);
}
});
}
/**
* Observe the DOM for lazy-loaded images
*/
function observeForChanges() {
const observer = new MutationObserver(mutations => {
for (const mutation of mutations) {
if (mutation.addedNodes.length) {
for (const node of mutation.addedNodes) {
if (node.nodeType === Node.ELEMENT_NODE) {
if (node.tagName === 'IMG' && isSupportedImage(node.src)) {
initializeImage(node);
} else if (node.querySelectorAll) {
const images = node.querySelectorAll('img');
images.forEach(img => {
if (isSupportedImage(img.src)) initializeImage(img);
});
}
}
}
}
}
});
if (document.body) {
observer.observe(document.body, {
childList: true,
subtree: true
});
}
}
// --- Picker Mode Functions ---
function enablePickerMode() {
pickerMode = true;
document.body.style.cursor = "crosshair";
}
function disablePickerMode() {
pickerMode = false;
document.body.style.cursor = "default";
if (currentHover) {
currentHover.style.outline = "";
currentHover = null;
}
}
function togglePicker() {
pickerMode ? disablePickerMode() : enablePickerMode();
}
function highlight(img) {
if (currentHover && currentHover !== img) currentHover.style.outline = "";
currentHover = img;
img.style.outline = "3px solid #ff5500";
}
function unhighlight(img) {
img.style.outline = "";
if (currentHover === img) currentHover = null;
}
function changeImagePrefix(img) {
const original = img.src;
// Check if it matches our regex
const match = original.match(SUBDOMAIN_REGEX);
const isMainHost = img.dataset.isMainHost === "true";
let currentVal = "";
if (isMainHost) {
currentVal = "Main Host (Auto-Fixed)";
} else if (match) {
currentVal = match[0]; // e.g. "//s04."
} else {
alert("URL does not match a fixable pattern.");
return;
}
// Prompt user for input
// We allow: "s01".."s10", or empty to reset to Main Host
const input = prompt(`Current: ${currentVal}\n\nEnter new server (e.g. s05) or leave empty for Main Host fix:`);
if (input === null) return; // Cancelled
let newSrc = "";
if (input.trim() === "") {
// User wants Main Host Fix
newSrc = getMainHostUrl(original);
img.dataset.isMainHost = "true";
} else {
// User wants specific Server
const serverName = input.trim().toLowerCase();
// Basic validation
if (!/^s\d{2}$/.test(serverName)) {
alert("Invalid format. Use s01, s05, etc.");
return;
}
// If currently on Main Host, we don't have the original CDN URL structure handy easily
// unless we saved it. For now, if on Main Host, we can't easily switch back to a specific
// CDN server without knowing the original CDN domain (mpypl, mpqsc, etc).
// However, usually the pathname is enough if we assume a domain, but the domains vary.
if (isMainHost) {
alert("Cannot switch to specific server from Main Host fix easily (original CDN domain unknown). Refresh the page to try CDNs.");
return;
}
const protocol = match[1] || 'https:';
newSrc = original.replace(SUBDOMAIN_REGEX, `${protocol}//${serverName}.`);
img.dataset.isMainHost = "";
}
img.src = newSrc;
img.dataset.retryCount = "0"; // Reset retry counter
console.log("Manual update:", original, "->", img.src);
disablePickerMode();
}
function bindPickerEvents() {
document.addEventListener("mouseover", e => {
if (!pickerMode || e.target.tagName !== "IMG") return;
// Highlight any image, even if not strictly supported, to allow inspection
highlight(e.target);
});
document.addEventListener("mouseout", e => {
if (!pickerMode || e.target.tagName !== "IMG") return;
unhighlight(e.target);
});
document.addEventListener("click", e => {
if (!pickerMode || e.target.tagName !== "IMG") return;
e.preventDefault();
e.stopPropagation();
changeImagePrefix(e.target);
disablePickerMode();
}, true);
}
function createPickerButton() {
if (!document.body) return;
if (document.getElementById('mp-fix-btn')) return;
const btn = document.createElement("button");
btn.id = 'mp-fix-btn';
btn.textContent = CONFIG.BUTTON_TEXT;
btn.style.cssText = `
position: fixed;
top: ${CONFIG.BUTTON_POSITION.top};
right: ${CONFIG.BUTTON_POSITION.right};
z-index: 9999;
padding: 8px 12px;
background: #66ccff;
border: 1px solid #333;
cursor: pointer;
font-weight: bold;
`;
btn.onclick = togglePicker;
document.body.appendChild(btn);
}
// Main initialization flow
function main() {
if (!document.body) {
setTimeout(main, 100);
return;
}
initializeExistingImages();
observeForChanges();
bindPickerEvents();
createPickerButton();
}
// Start the script
main();
})();