Enables image uploading by simply dragging and dropping images onto a fixed div in the bottom right corner of the page. Easily upload and use images on any website with this convenient script.
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// ==UserScript==
// @name Drag-Drop Image Uploader
// @namespace http://tampermonkey.net/
// @version 0.1.5
// @description Enables image uploading by simply dragging and dropping images onto a fixed div in the bottom right corner of the page. Easily upload and use images on any website with this convenient script.
// @match https://*/*
// @grant none
// @license MIT License
// @author CY Fung
// @run-at document-start
// ==/UserScript==
(function () {
'use strict';
if (location.hostname === 'lihkg.com') {
if (location.pathname !== '/robots.txt') return;
if (window.name !== 'pNwjxjQi') return;
if (window === top) return;
function T(e) {
return new Promise(function (resolve, reject) {
window.history.replaceState(null, '', 'https://lihkg.com');
let xhr = new XMLHttpRequest();
let formData = new FormData();
formData.append('image', e);
xhr.open('POST', 'https://api.na.cx/upload');
// Set the Referer header to an empty string
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
if (xhr.status === 200) {
let response = JSON.parse(xhr.responseText);
let status = response.status;
let url = response.url;
let error = response.error;
if (status === 200) {
resolve(url);
} else {
reject(new Error(error));
}
} else {
reject(new Error('Status is not 200'));
}
}
};
xhr.send(formData);
});
}
let iframe = document;
// Function to handle the dragenter event
function handleDragEnter(e) {
top.postMessage('pNwjxjQi-top-dragenter', '*');
// Add a class to visually indicate the drag over the iframe
//iframe.classList.add("drag-over");
}
// Function to handle the dragover event
function handleDragOver(e) {
// top.postMessage('pNwjxjQi-top-dragover','*');
e.preventDefault();
e.dataTransfer.dropEffect = 'copy';
}
// Function to handle the dragleave event
function handleDragLeave(e) {
top.postMessage('pNwjxjQi-top-dragleave', '*');
// Remove the class when the drag leaves the iframe
//iframe.classList.remove("drag-over");
}
async function goUpload(e) {
let files = e.dataTransfer.files;
let images = [...files].filter(file => file.type == "image/png" || file.type == "image/jpg" || file.type == "image/jpeg" || file.type == "image/gif")
console.log(images);
for (const image of images) {
await T(image)
.then(function (url) {
// focusElement.focus();
// document.execCommand("insertText", false, url)
top.postMessage({ p: 'pNwjxjQi-top-finish-upload', url: url }, '*')
console.log('Uploaded image URL:', url);
})
.catch(function (error) {
console.error('Upload failed:', error);
});
}
}
// Function to handle the drop event
function handleDrop(e) {
e.preventDefault();
top.postMessage('pNwjxjQi-top-drop', '*');
// Remove the class when the drop occurs
//iframe.classList.remove("drag-over");
// Access the dropped files or data
goUpload(e);
// Process the dropped files or data as needed
// ...
}
// Add event listeners for drag and drop events
iframe.addEventListener("dragenter", handleDragEnter, false);
iframe.addEventListener("dragover", handleDragOver, false);
iframe.addEventListener("dragleave", handleDragLeave, false);
iframe.addEventListener("drop", handleDrop, false);
top.postMessage('pNwjxjQi-top-uploader-ready', '*');
} else {
function onReady() {
let fixedDiv = null;
let focusElement = null;
let moused = false;
let lastDragIn = 0;
let cid = 0;
function createFixedDiv() {
// Create the fixed div element
let fixedDiv = document.createElement('div');
fixedDiv.style.position = 'fixed';
fixedDiv.style.zIndex = '8888';
fixedDiv.style.bottom = '10px';
fixedDiv.style.right = '10px';
fixedDiv.style.width = '200px';
fixedDiv.style.height = '200px';
fixedDiv.style.backgroundColor = 'rgba(0, 0, 0, 0.5)';
fixedDiv.style.border = '2px solid white';
fixedDiv.style.borderRadius = '5px';
fixedDiv.style.padding = '0px';
fixedDiv.style.color = 'white';
fixedDiv.style.fontSize = '14px';
fixedDiv.style.textAlign = 'center';
// fixedDiv.style.cursor = 'move';
// fixedDiv.draggable = true;
fixedDiv.style.opacity = '0'; // Set initial opacity to 0 (hidden)
fixedDiv.style.display = 'none';
fixedDiv.id = 'ewIMf5Dw';
fixedDiv.style.background = 'url(https://static.thenounproject.com/png/3905046-200.png)';
fixedDiv.style.backgroundPosition = 'center';
fixedDiv.style.backgroundSize = 'cover';
fixedDiv.style.backgroundRepeat = 'no-repeat';
fixedDiv.style.pointerEvents = 'none';
// Append the div to the document body
document.body.appendChild(fixedDiv);
// Create the Intersection Observer
let observer = new IntersectionObserver(function (entries) {
entries.forEach(function (entry) {
if (entry.isIntersecting) {
// When fixedDiv appears, check if it has an iframe inside
let iframe = fixedDiv.querySelector('iframe');
if (!iframe) {
// If no iframe inside, create and append one
iframe = document.createElement('iframe');
setupIframe(iframe);
iframe.src = 'https://lihkg.com/robots.txt';
fixedDiv.appendChild(iframe);
}
}
});
});
// Observe the fixedDiv element
observer.observe(fixedDiv);
return fixedDiv;
}
function setupIframe(iframe) {
if (!fixedDiv) return;
iframe.name = 'pNwjxjQi';
iframe.style.position = 'relative';
iframe.style.width = '100%';
iframe.style.height = '100%';
iframe.style.opacity = '0';
iframe.style.pointerEvents = 'all';
iframe.style.transform = 'translateY(-300vh)';
fixedDiv.style.transform = 'translateY(-300vh)';
}
document.addEventListener('dragleave', function (event) {
if (!fixedDiv) return;
if (moused) return;
if (cid > 0) cid = clearTimeout(cid);
if (event.relatedTarget) return;
console.log(221);
let endTime = Date.now();
cid = setTimeout(() => {
cid = 0;
requestAnimationFrame(() => {
if (lastDragIn > endTime) return;
if (fixedDiv.style.display !== 'none' && !moused) {
// focusElement = null;
fixedDiv.style.display = 'none';
fixedDiv.style.opacity = '0';
}
});
}, 80)
event.preventDefault();
});
document.addEventListener('dragenter', function (event) {
if (!fixedDiv) fixedDiv = createFixedDiv();
if (moused) return;
if (cid > 0) cid = clearTimeout(cid);
if (event.relatedTarget) return;
console.log(222);
lastDragIn = Date.now();
let activeNode = document.activeElement || 0;
let activeNodeName = activeNode.nodeName;
if (activeNodeName === 'TEXTAREA' || (activeNodeName === 'INPUT' && (!activeNode.type || activeNode.type == 'text'))) {
if (fixedDiv.style.display === 'none') {
fixedDiv.style.display = 'block';
fixedDiv.style.opacity = '0.4';
focusElement = activeNode;
console.log(focusElement)
}
}
requestAnimationFrame(() => {
lastDragIn = Date.now();
});
}, true);
document.addEventListener('drop', function (event) {
if (!fixedDiv) return;
moused = false;
if (moused) return;
if (cid > 0) cid = clearTimeout(cid);
console.log(223);
let endTime = Date.now();
cid = setTimeout(() => {
cid = 0;
if (lastDragIn > endTime) return;
if (fixedDiv.style.display !== 'none' && !moused) {
// focusElement = null;
fixedDiv.style.display = 'none';
fixedDiv.style.opacity = '0';
}
}, 80)
}, true);
window.addEventListener('message', event => {
if (!fixedDiv) return;
let data = (((event || 0).data || 0));
if (data === 'pNwjxjQi-top-uploader-ready') {
let fixedDiv = document.querySelector('#ewIMf5Dw');
let iframe = fixedDiv.querySelector('iframe');
iframe.style.transform = '';
fixedDiv.style.transform = '';
}
if (data === 'pNwjxjQi-top-dragenter') {
moused = true;
fixedDiv.style.opacity = '1';
}
if (data === 'pNwjxjQi-top-dragleave') {
moused = false;
fixedDiv.style.opacity = '0.4';
}
if (data === 'pNwjxjQi-top-dragenter') {
if (cid > 0) cid = clearTimeout(cid);
}
if (data === 'pNwjxjQi-top-dragleave') {
let endTime = Date.now();
if (cid > 0) cid = clearTimeout(cid);
cid = setTimeout(() => {
cid = 0;
requestAnimationFrame(() => {
if (lastDragIn > endTime) return;
if (fixedDiv.style.display !== 'none' && !moused) {
// focusElement = null;
fixedDiv.style.display = 'none';
fixedDiv.style.opacity = '0';
}
});
}, 80)
}
if (data.p === 'pNwjxjQi-top-finish-upload') {
let url = event.data.url;
focusElement.focus();
document.execCommand("insertText", false, url)
}
if (data === 'pNwjxjQi-top-drop') {
moused = false;
let endTime = Date.now();
cid = setTimeout(() => {
cid = 0;
if (lastDragIn > endTime) return;
if (fixedDiv.style.display !== 'none' && !moused) {
// focusElement = null;
fixedDiv.style.display = 'none';
fixedDiv.style.opacity = '0';
}
}, 80)
}
})
}
if (document.readyState !== 'loading') {
onReady();
} else {
document.addEventListener('DOMContentLoaded', onReady, false);
}
}
})();