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1711 lines (1629 loc) · 59.2 KB
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const CONTENT_TYPE_MAP = {
'jpg': 'image/jpeg',
'jpeg': 'image/jpeg',
'png': 'image/png',
'gif': 'image/gif',
'webp': 'image/webp',
'bmp': 'image/bmp',
'svg': 'image/svg+xml',
'mp4': 'video/mp4',
'avi': 'video/x-msvideo',
'mov': 'video/quicktime',
'webm': 'video/webm'
};
const CACHE_CONFIG = {
HTML: 3600,
IMAGE: 86400,
API: 300
};
function extractConfig(env) {
return {
domain: env.DOMAIN,
database: env.DATABASE,
username: env.USERNAME,
password: env.PASSWORD,
adminPath: env.ADMIN_PATH,
enableAuth: env.ENABLE_AUTH === 'true',
tgBotToken: env.TG_BOT_TOKEN,
tgChatId: env.TG_CHAT_ID,
maxSize: (env.MAX_SIZE_MB ? parseInt(env.MAX_SIZE_MB, 10) : 20) * 1024 * 1024
};
}
function createCachedResponse(body, contentType, cacheMaxAge) {
return new Response(body, {
headers: {
'Content-Type': contentType,
'Cache-Control': `public, max-age=${cacheMaxAge}`,
'CDN-Cache-Control': `public, max-age=${cacheMaxAge}`
}
});
}
function jsonResponse(data, status = 200) {
return new Response(JSON.stringify(data), {
status,
headers: { 'Content-Type': 'application/json' }
});
}
function unauthorizedResponse() {
return new Response('Unauthorized', {
status: 401,
headers: { 'WWW-Authenticate': 'Basic realm="Admin"' }
});
}
function getFileExtension(url) {
return url.split('.').pop().toLowerCase();
}
function getContentType(extension) {
return CONTENT_TYPE_MAP[extension] || 'application/octet-stream';
}
function escapeHtml(text) {
const map = {
'&': '&',
'<': '<',
'>': '>',
'"': '"',
"'": '''
};
return String(text).replace(/[&<>"']/g, m => map[m]);
}
export default {
async fetch(request, env) {
const { pathname } = new URL(request.url);
const config = extractConfig(env);
switch (pathname) {
case '/':
return await handleRootRequest(request, config);
case `/${config.adminPath}`:
return await handleAdminRequest(request, config);
case '/upload':
return request.method === 'POST'
? await handleUploadRequest(request, config)
: new Response('Method Not Allowed', { status: 405 });
case '/bing-images':
return handleBingImagesRequest();
case '/delete-images':
return await handleDeleteImagesRequest(request, config);
default:
return await handleImageRequest(request, config);
}
}
};
function authenticate(request, username, password) {
const authHeader = request.headers.get('Authorization');
if (!authHeader || !authHeader.startsWith('Basic ')) return false;
try {
const base64Credentials = authHeader.split(' ')[1];
const credentials = atob(base64Credentials).split(':');
return credentials[0] === username && credentials[1] === password;
} catch {
return false;
}
}
async function handleRootRequest(request, config) {
const cache = caches.default;
const cacheKey = new Request(request.url);
if (config.enableAuth && !authenticate(request, config.username, config.password)) {
return unauthorizedResponse();
}
const cachedResponse = await cache.match(cacheKey);
if (cachedResponse) {
return cachedResponse;
}
const response = createCachedResponse(`
<!DOCTYPE html>
<html lang="zh-CN">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta name="description" content="Telegraph图床-基于Workers的图床服务">
<meta name="keywords" content="Telegraph图床,Workers图床, Cloudflare, Workers,telegra.ph, 图床">
<title>Telegraph图床-基于Workers的图床服务</title>
<link rel="icon" href="https://p1.meituan.net/csc/c195ee91001e783f39f41ffffbbcbd484286.ico" type="image/x-icon">
<link rel="preconnect" href="https://cdnjs.cloudflare.com" crossorigin>
<link rel="dns-prefetch" href="https://cdnjs.cloudflare.com">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.1/css/bootstrap.min.css" integrity="sha512-T584yQ/tdRR5QwOpfvDfVQUidzfgc2339Lc8uBDtcp/wYu80d7jwBgAxbyMh0a9YM9F8N3tdErpFI8iaGx6x5g==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-fileinput/5.2.7/css/fileinput.min.css" integrity="sha512-qPjB0hQKYTx1Za9Xip5h0PXcxaR1cRbHuZHo9z+gb5IgM6ZOTtIH4QLITCxcCp/8RMXtw2Z85MIZLv6LfGTLiw==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/2.1.4/toastr.min.css" integrity="sha512-6S2HWzVFxruDlZxI3sXOZZ4/eJ8AcxkQH1+JjSe/ONCEqR9L4Ysq5JdT5ipqtzU7WHalNwzwBv+iE51gNHJNqQ==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css" integrity="sha512-1ycn6IcaQQ40/MKBW2W4Rhis/DbILU74C1vSrLJxCq57o941Ym01SwNsOMqvEBFlcgUa6xLiPY/NS5R+E6ztJQ==" crossorigin="anonymous" referrerpolicy="no-referrer" />
<style>
body {
margin: 0;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
position: relative;
}
.background {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-size: cover;
z-index: -1;
transition: opacity 1s ease-in-out;
opacity: 1;
}
.card {
background-color: rgba(255, 255, 255, 0.9);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
border: none;
border-radius: 16px;
box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
padding: 30px;
width: 90%;
max-width: 480px;
text-align: center;
margin: 0 auto;
position: relative;
}
.title {
font-size: 28px;
font-weight: 700;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
margin-bottom: 20px;
letter-spacing: 0.5px;
}
.uniform-height {
margin-top: 20px;
}
#viewCacheBtn {
position: absolute;
top: 15px;
right: 15px;
background: none;
border: none;
color: rgba(102, 126, 234, 0.5);
cursor: pointer;
font-size: 22px;
transition: all 0.3s ease;
}
#viewCacheBtn:hover {
color: #667eea;
transform: scale(1.1);
}
#compressionToggleBtn {
position: absolute;
top: 15px;
right: 55px;
background: none;
border: none;
color: rgba(102, 126, 234, 0.5);
cursor: pointer;
font-size: 22px;
transition: all 0.3s ease;
}
#compressionToggleBtn:hover {
color: #667eea;
transform: scale(1.1);
}
#cacheContent {
margin-top: 20px;
max-height: 250px;
border-radius: 8px;
overflow-y: auto;
}
.cache-title {
text-align: left;
margin-bottom: 10px;
}
.cache-item {
display: block;
cursor: pointer;
border-radius: 8px;
box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
transition: all 0.3s ease;
text-align: left;
padding: 12px 15px;
margin-bottom: 8px;
background: white;
border: 1px solid rgba(102, 126, 234, 0.1);
}
.cache-item:hover {
background-color: rgba(102, 126, 234, 0.05);
border-color: rgba(102, 126, 234, 0.3);
transform: translateX(5px);
}
.upload-hint {
color: #999;
font-size: 14px;
margin-top: 15px;
line-height: 1.6;
}
.upload-hint i {
color: #667eea;
margin-right: 5px;
}
.project-link {
font-size: 14px;
text-align: center;
margin-top: 15px;
margin-bottom: 0;
color: #999;
line-height: 1.6;
}
.project-link a {
color: #667eea;
text-decoration: none;
transition: color 0.3s ease;
}
.project-link a:hover {
color: #764ba2;
text-decoration: underline;
}
textarea.form-control {
max-height: 200px;
overflow-y: hidden;
resize: none;
}
.upload-progress {
display: none;
margin-top: 15px;
text-align: center;
}
.progress-text {
font-size: 14px;
font-weight: 500;
color: #667eea;
letter-spacing: 0.5px;
}
.thumbnail-container {
display: flex;
flex-wrap: wrap;
gap: 10px;
margin-top: 15px;
justify-content: center;
}
.thumbnail-item {
position: relative;
width: 80px;
height: 80px;
border-radius: 8px;
overflow: hidden;
box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
transition: transform 0.2s ease;
}
.thumbnail-item:hover {
transform: scale(1.05);
}
.thumbnail-item img {
width: 100%;
height: 100%;
object-fit: cover;
}
.thumbnail-item video {
width: 100%;
height: 100%;
object-fit: cover;
}
.thumbnail-item .file-icon {
width: 100%;
height: 100%;
display: flex;
align-items: center;
justify-content: center;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
color: white;
font-size: 24px;
}
.thumbnail-item .remove-btn {
position: absolute;
top: 2px;
right: 2px;
width: 20px;
height: 20px;
border-radius: 50%;
background: rgba(0, 0, 0, 0.6);
color: white;
border: none;
cursor: pointer;
font-size: 12px;
display: flex;
align-items: center;
justify-content: center;
opacity: 0;
transition: opacity 0.2s ease;
}
.thumbnail-item:hover .remove-btn {
opacity: 1;
}
.btn-primary {
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%) !important;
border: none !important;
color: white !important;
border-radius: 8px !important;
font-weight: 500 !important;
transition: all 0.3s ease !important;
box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3) !important;
}
.btn-primary:hover {
transform: translateY(-2px);
box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4) !important;
}
.btn-primary:active, .btn-primary:focus {
transform: translateY(0);
box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3) !important;
}
.file-drop-zone {
border: 2px dashed #667eea !important;
border-radius: 12px !important;
background: rgba(102, 126, 234, 0.05) !important;
transition: all 0.3s ease !important;
}
.file-drop-zone:hover {
border-color: #764ba2 !important;
background: rgba(102, 126, 234, 0.1) !important;
}
.file-drop-zone-title {
color: #667eea !important;
font-weight: 500 !important;
}
.btn-danger, .fileinput-remove {
border-radius: 8px !important;
font-weight: 500 !important;
transition: all 0.3s ease !important;
}
.btn-danger:hover, .fileinput-remove:hover {
transform: translateY(-2px);
}
.btn-danger:active, .fileinput-remove:active {
transform: translateY(0);
}
.btn-light {
border-radius: 8px !important;
font-weight: 500 !important;
transition: all 0.3s ease !important;
}
.btn-light:hover {
transform: translateY(-2px);
}
.btn-light:active {
transform: translateY(0);
}
@media (max-width: 768px) {
.card {
width: 95%;
max-width: 100%;
padding: 20px;
border-radius: 12px;
}
.title {
font-size: 24px;
}
#viewCacheBtn, #compressionToggleBtn {
font-size: 20px;
}
.btn-primary, .btn-danger, .btn-light {
min-height: 44px;
min-width: 44px;
}
.cache-item {
padding: 15px;
}
}
</style>
</head>
<body>
<div class="background" id="background"></div>
<div class="card">
<div class="title">Telegraph图床</div>
<button type="button" class="btn" id="viewCacheBtn" title="查看历史记录"><i class="fas fa-clock"></i></button>
<button type="button" class="btn" id="compressionToggleBtn"><i class="fas fa-compress"></i></button>
<div class="card-body">
<form id="uploadForm" action="/upload" method="post" enctype="multipart/form-data">
<div class="file-input-container">
<input id="fileInput" name="file" type="file" class="form-control-file" data-browse-on-zone-click="true" multiple>
</div>
<div class="upload-hint">
<i class="fas fa-info-circle"></i>支持拖拽上传 · 多文件上传 · Ctrl+V 粘贴上传
</div>
<div class="form-group mb-3 uniform-height" style="display: none;">
<button type="button" class="btn btn-light mr-2" id="urlBtn">URL</button>
<button type="button" class="btn btn-light mr-2" id="bbcodeBtn">BBCode</button>
<button type="button" class="btn btn-light" id="markdownBtn">Markdown</button>
</div>
<div class="form-group mb-3 uniform-height" style="display: none;">
<textarea class="form-control" id="fileLink" readonly></textarea>
</div>
<div class="upload-progress" id="uploadProgress">
<div class="progress-text" id="progressText">上传中... 0%</div>
</div>
<div class="thumbnail-container" id="thumbnailContainer"></div>
<div id="cacheContent" style="display: none;"></div>
</form>
</div>
<p class="project-link">项目开源于 GitHub - <a href="https://github.com/0-RTT/telegraph" target="_blank" rel="noopener noreferrer">0-RTT/telegraph</a></p>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js" integrity="sha512-894YE6QWD5I59HgZOGReFYm4dnWc1Qt5NtvYSaNcOP+u1T9qYdvdihz0PPSiiqn/+/3e7Jo4EaG7TubfWGUrMQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-fileinput/5.2.7/js/fileinput.min.js" integrity="sha512-CCLv901EuJXf3k0OrE5qix8s2HaCDpjeBERR2wVHUwzEIc7jfiK9wqJFssyMOc1lJ/KvYKsDenzxbDTAQ4nh1w==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-fileinput/5.2.7/js/locales/zh.min.js" integrity="sha512-IizKWmZY3aznnbFx/Gj8ybkRyKk7wm+d7MKmEgOMRQDN1D1wmnDRupfXn6X04pwIyKFWsmFVgrcl0j6W3Z5FDQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/toastr.js/2.1.4/toastr.min.js" integrity="sha512-lbwH47l/tPXJYG9AcFNoJaTMhGvYWhVM9YI43CT+uteTRRaiLCui8snIgyAN8XWgNjNhCqlAUdzZptso6OCoFQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script>
<script>
function formatLinks(urls, format) {
switch (format) {
case 'url':
return urls.join('\\n\\n');
case 'bbcode':
return urls.map(url => '[img]' + url + '[/img]').join('\\n\\n');
case 'markdown':
return urls.map(url => '').join('\\n\\n');
default:
return urls.join('\\n');
}
}
async function fetchBingImages() {
try {
const response = await fetch('/bing-images');
if (!response.ok) {
throw new Error('获取背景图片失败: HTTP ' + response.status);
}
const data = await response.json();
return data.data?.map(image => image.url) || [];
} catch (error) {
console.error('获取Bing背景图片失败:', error);
return [];
}
}
async function setBackgroundImages() {
const images = await fetchBingImages();
if (images.length === 0) return;
const bg1 = document.getElementById('background');
const bg2 = document.createElement('div');
bg2.className = 'background';
bg2.style.opacity = 0;
document.body.insertBefore(bg2, bg1.nextSibling);
let index = 0;
let currentBg = bg1;
let nextBg = bg2;
bg1.style.backgroundImage = 'url(' + images[0] + ')';
setInterval(() => {
index = (index + 1) % images.length;
nextBg.style.backgroundImage = 'url(' + images[index] + ')';
nextBg.style.opacity = 0;
setTimeout(() => {
nextBg.style.opacity = 1;
currentBg.style.opacity = 0;
}, 50);
setTimeout(() => {
const temp = currentBg;
currentBg = nextBg;
nextBg = temp;
}, 1000);
}, 5000);
}
$(document).ready(function() {
let originalImageURLs = [];
let thumbnailData = [];
let isCacheVisible = false;
let enableCompression = true;
initFileInput();
setBackgroundImages();
const tooltipText = enableCompression ? '关闭压缩' : '开启压缩';
$('#compressionToggleBtn').attr('title', tooltipText);
$('#compressionToggleBtn').on('click', function() {
enableCompression = !enableCompression;
const icon = $(this).find('i');
icon.toggleClass('fa-compress fa-expand');
const tooltipText = enableCompression ? '关闭压缩' : '开启压缩';
$(this).attr('title', tooltipText);
});
function initFileInput() {
$("#fileInput").fileinput({
theme: 'fa',
language: 'zh',
browseClass: "btn btn-primary",
removeClass: "btn btn-danger",
showUpload: false,
showPreview: false,
}).on('filebatchselected', handleFileSelection)
.on('fileclear', handleFileClear);
}
async function handleFileSelection() {
const files = $('#fileInput')[0].files;
for (let i = 0; i < files.length; i++) {
const file = files[i];
const fileHash = await calculateFileHash(file);
const cachedData = getCachedData(fileHash);
if (cachedData) {
handleCachedFile(cachedData);
} else {
await uploadFile(file, fileHash);
}
}
}
function getCachedData(fileHash) {
const cacheData = JSON.parse(localStorage.getItem('uploadCache')) || [];
return cacheData.find(item => item.hash === fileHash);
}
function handleCachedFile(cachedData) {
if (!originalImageURLs.includes(cachedData.url)) {
originalImageURLs.push(cachedData.url);
updateFileLinkDisplay();
toastr.info('已从缓存中读取数据');
}
}
function updateFileLinkDisplay() {
$('#fileLink').val(originalImageURLs.join('\\n\\n'));
$('.form-group').show();
adjustTextareaHeight($('#fileLink')[0]);
}
function addThumbnail(file, url) {
const container = $('#thumbnailContainer');
const index = thumbnailData.length;
const previewUrl = URL.createObjectURL(file);
thumbnailData.push({ previewUrl, url, file });
let thumbnailContent = '';
if (file.type.startsWith('image/')) {
thumbnailContent = '<img src="' + previewUrl + '" alt="thumbnail">';
} else if (file.type.startsWith('video/')) {
thumbnailContent = '<video src="' + previewUrl + '" muted></video>';
} else {
const ext = file.name.split('.').pop().toUpperCase();
thumbnailContent = '<div class="file-icon">' + ext + '</div>';
}
const thumbnailHtml = '<div class="thumbnail-item" data-index="' + index + '">' +
thumbnailContent +
'<button class="remove-btn" title="移除">×</button>' +
'</div>';
container.append(thumbnailHtml);
}
function removeThumbnail(index) {
const item = thumbnailData[index];
if (item && item.previewUrl) {
URL.revokeObjectURL(item.previewUrl);
}
thumbnailData[index] = null;
const urlToRemove = item ? item.url : null;
if (urlToRemove) {
originalImageURLs = originalImageURLs.filter(u => u !== urlToRemove);
updateFileLinkDisplay();
if (originalImageURLs.length === 0) {
hideButtonsAndTextarea();
}
}
$('.thumbnail-item[data-index="' + index + '"]').remove();
}
function clearAllThumbnails() {
thumbnailData.forEach(item => {
if (item && item.previewUrl) {
URL.revokeObjectURL(item.previewUrl);
}
});
thumbnailData = [];
$('#thumbnailContainer').empty();
}
$(document).on('click', '.thumbnail-item .remove-btn', function(e) {
e.stopPropagation();
const index = $(this).parent().data('index');
removeThumbnail(index);
});
async function calculateFileHash(file) {
const chunkSize = 1024 * 1024;
const chunk = file.size > chunkSize ? file.slice(0, chunkSize) : file;
const arrayBuffer = await chunk.arrayBuffer();
const hashBuffer = await crypto.subtle.digest('SHA-256', arrayBuffer);
const hashArray = Array.from(new Uint8Array(hashBuffer));
const hash = hashArray.map(byte => byte.toString(16).padStart(2, '0')).join('');
return hash + '-' + file.size + '-' + file.lastModified;
}
function isFileInCache(fileHash) {
const cacheData = JSON.parse(localStorage.getItem('uploadCache')) || [];
return cacheData.some(item => item.hash === fileHash);
}
async function uploadFile(file, fileHash) {
const originalFile = file;
try {
const interfaceInfo = {
enableCompression: enableCompression
};
if (file.type.startsWith('image/') && file.type !== 'image/gif' && interfaceInfo.enableCompression) {
toastr.info('正在压缩...', '', { timeOut: 0 });
const compressedFile = await compressImage(file);
file = compressedFile;
toastr.clear();
}
const formData = new FormData();
formData.append('file', file, file.name);
$('#uploadProgress').show();
$('#progressText').text('上传中... 0%');
const xhr = new XMLHttpRequest();
xhr.upload.addEventListener('progress', (e) => {
if (e.lengthComputable) {
const percentComplete = Math.round((e.loaded / e.total) * 100);
$('#progressText').text('上传中... ' + percentComplete + '%');
}
});
const uploadPromise = new Promise((resolve, reject) => {
xhr.onload = () => {
if (xhr.status >= 200 && xhr.status < 300) {
try {
resolve(JSON.parse(xhr.responseText));
} catch (e) {
reject(new Error('响应解析失败'));
}
} else {
try {
const errorData = JSON.parse(xhr.responseText);
reject(new Error(errorData.error || '上传失败'));
} catch (e) {
reject(new Error('上传失败: HTTP ' + xhr.status));
}
}
};
xhr.onerror = () => reject(new Error('网络错误，请检查网络连接'));
xhr.ontimeout = () => reject(new Error('上传超时，请重试'));
xhr.open('POST', '/upload');
xhr.timeout = 120000;
xhr.send(formData);
});
const responseData = await uploadPromise;
$('#uploadProgress').hide();
if (responseData.error) {
toastr.error(responseData.error);
} else {
originalImageURLs.push(responseData.data);
addThumbnail(originalFile, responseData.data);
$('#fileLink').val(originalImageURLs.join('\\n\\n'));
$('.form-group').show();
adjustTextareaHeight($('#fileLink')[0]);
toastr.success('上传成功! 点击下方按钮复制链接', '', {
timeOut: 3000,
progressBar: true
});
saveToLocalCache(responseData.data, file.name, fileHash);
}
} catch (error) {
console.error('处理文件时出现错误:', error);
$('#uploadProgress').hide();
let errorMsg = '文件处理失败';
if (error.message.includes('网络')) {
errorMsg = '网络错误，请检查网络连接';
} else if (error.message.includes('超时')) {
errorMsg = '上传超时，请重试';
} else if (error.message) {
errorMsg = error.message;
}
toastr.error(errorMsg);
} finally {
toastr.clear();
}
}
$(document).on('paste', async function(event) {
const clipboardData = event.originalEvent.clipboardData;
if (clipboardData && clipboardData.items) {
for (let i = 0; i < clipboardData.items.length; i++) {
const item = clipboardData.items[i];
if (item.kind === 'file') {
const pasteFile = item.getAsFile();
const dataTransfer = new DataTransfer();
const existingFiles = $('#fileInput')[0].files;
for (let j = 0; j < existingFiles.length; j++) {
dataTransfer.items.add(existingFiles[j]);
}
dataTransfer.items.add(pasteFile);
$('#fileInput')[0].files = dataTransfer.files;
$('#fileInput').trigger('change');
break;
}
}
}
});
const $card = $('.card');
$card.on('dragover', function(e) {
e.preventDefault();
e.stopPropagation();
$(this).css('background-color', 'rgba(255, 255, 255, 0.95)');
});
$card.on('dragleave', function(e) {
e.preventDefault();
e.stopPropagation();
$(this).css('background-color', 'rgba(255, 255, 255, 0.8)');
});
$card.on('drop', function(e) {
e.preventDefault();
e.stopPropagation();
$(this).css('background-color', 'rgba(255, 255, 255, 0.8)');
const files = e.originalEvent.dataTransfer.files;
if (files.length > 0) {
const dataTransfer = new DataTransfer();
for (let i = 0; i < files.length; i++) {
dataTransfer.items.add(files[i]);
}
$('#fileInput')[0].files = dataTransfer.files;
$('#fileInput').trigger('change');
}
});
async function compressImage(file, quality = 0.75) {
return new Promise((resolve) => {
const image = new Image();
image.onload = () => {
const targetWidth = image.width;
const targetHeight = image.height;
const canvas = document.createElement('canvas');
const ctx = canvas.getContext('2d');
canvas.width = targetWidth;
canvas.height = targetHeight;
ctx.drawImage(image, 0, 0, targetWidth, targetHeight);
canvas.toBlob((blob) => {
const compressedFile = new File([blob], file.name, { type: 'image/jpeg' });
toastr.success('图片压缩成功！');
resolve(compressedFile);
}, 'image/jpeg', quality);
};
const reader = new FileReader();
reader.onload = (event) => {
image.src = event.target.result;
};
reader.readAsDataURL(file);
});
}
$('#urlBtn, #bbcodeBtn, #markdownBtn').on('click', function() {
const fileLinks = originalImageURLs.map(url => url.trim()).filter(url => url !== '');
if (fileLinks.length > 0) {
const formatMap = {
'urlBtn': 'url',
'bbcodeBtn': 'bbcode',
'markdownBtn': 'markdown'
};
const format = formatMap[$(this).attr('id')];
const formattedLinks = formatLinks(fileLinks, format);
$('#fileLink').val(formattedLinks);
adjustTextareaHeight($('#fileLink')[0]);
copyToClipboardWithToastr(formattedLinks);
}
});
function handleFileClear(event) {
$('#fileLink').val('');
adjustTextareaHeight($('#fileLink')[0]);
hideButtonsAndTextarea();
originalImageURLs = [];
clearAllThumbnails();
}
function adjustTextareaHeight(textarea) {
textarea.style.height = '1px';
textarea.style.height = (textarea.scrollHeight > 200 ? 200 : textarea.scrollHeight) + 'px';
if (textarea.scrollHeight > 200) {
textarea.style.overflowY = 'auto';
} else {
textarea.style.overflowY = 'hidden';
}
}
function copyToClipboardWithToastr(text) {
if (navigator.clipboard && navigator.clipboard.writeText) {
navigator.clipboard.writeText(text).then(() => {
toastr.success('已复制到剪贴板', '', { timeOut: 300 });
}).catch(() => {
toastr.error('复制失败');
});
} else {
const textarea = document.createElement('textarea');
textarea.value = text;
document.body.appendChild(textarea);
textarea.select();
try {
document.execCommand('copy');
toastr.success('已复制到剪贴板', '', { timeOut: 300 });
} catch (err) {
toastr.error('复制失败');
}
document.body.removeChild(textarea);
}
}
function hideButtonsAndTextarea() {
$('#urlBtn, #bbcodeBtn, #markdownBtn, #fileLink').parent('.form-group').hide();
}
function saveToLocalCache(url, fileName, fileHash) {
const timestamp = new Date().toLocaleString('zh-CN', { hour12: false });
const cacheData = JSON.parse(localStorage.getItem('uploadCache')) || [];
cacheData.push({ url, fileName, hash: fileHash, timestamp });
localStorage.setItem('uploadCache', JSON.stringify(cacheData));
}
$('#viewCacheBtn').on('click', function() {
const cacheData = JSON.parse(localStorage.getItem('uploadCache')) || [];
const cacheContent = $('#cacheContent');
cacheContent.empty();
if (isCacheVisible) {
cacheContent.hide();
$('#fileLink').val('');
$('#fileLink').parent('.form-group').hide();
isCacheVisible = false;
} else {
if (cacheData.length > 0) {
const html = cacheData.reverse().map((item) =>
'<div class="cache-item" data-url="' + item.url + '">' +
item.timestamp + ' - ' + item.fileName +
'</div><br>'
).join('');
cacheContent.html(html).show();
} else {
cacheContent.html('<div>还没有记录哦！</div>').show();
}
isCacheVisible = true;
}
});
$(document).on('click', '.cache-item', function() {
const url = $(this).data('url');
originalImageURLs = [];
$('#fileLink').val('');
originalImageURLs.push(url);
$('#fileLink').val(originalImageURLs.map(url => url.trim()).join('\\n\\n'));
$('.form-group').show();
adjustTextareaHeight($('#fileLink')[0]);
});
});
</script>
</body>
</html>
`, 'text/html;charset=UTF-8', CACHE_CONFIG.HTML);
await cache.put(cacheKey, response.clone());
return response;
}
async function handleAdminRequest(request, config) {
if (!authenticate(request, config.username, config.password)) {
return unauthorizedResponse();
}
const url = new URL(request.url);
const page = parseInt(url.searchParams.get('page') || '1', 10);
return await generateAdminPage(config.database, page);
}
async function generateAdminPage(DATABASE, page = 1) {
const pageSize = 50;
const offset = (page - 1) * pageSize;
const totalCount = await DATABASE.prepare('SELECT COUNT(*) as count FROM media').first();
const totalPages = Math.ceil(totalCount.count / pageSize);
const mediaData = await fetchMediaData(DATABASE, pageSize, offset);
const mediaHtml = mediaData.map(({ url }) => {
const fileExtension = url.split('.').pop().toLowerCase();
const timestamp = url.split('/').pop().split('.')[0];
const mediaType = escapeHtml(fileExtension);
const escapedUrl = escapeHtml(url);
const supportedImageExtensions = ['jpg', 'jpeg', 'png', 'gif', 'webp', 'bmp', 'tiff', 'svg'];
const supportedVideoExtensions = ['mp4', 'avi', 'mov', 'wmv', 'flv', 'mkv', 'webm'];
const isSupported = [...supportedImageExtensions, ...supportedVideoExtensions].includes(fileExtension);
const backgroundStyle = isSupported ? '' : `style="font-size: 50px; display: flex; justify-content: center; align-items: center;"`;
const icon = isSupported ? '' : '📁';
return `
<div class="media-container" data-key="${escapedUrl}" onclick="toggleImageSelection(this)" ${backgroundStyle}>
<div class="skeleton"></div>
<div class="media-type">${mediaType}</div>
${supportedVideoExtensions.includes(fileExtension) ? `
<video class="gallery-video" preload="none" controls>
<source data-src="${escapedUrl}" type="video/${escapeHtml(fileExtension)}">
您的浏览器不支持视频标签。
</video>
` : `
${isSupported ? `<img class="gallery-image lazy" data-src="${escapedUrl}" alt="Image">` : icon}
`}
<div class="upload-time">上传时间: ${escapeHtml(new Date(parseInt(timestamp)).toLocaleString('zh-CN', { timeZone: 'Asia/Shanghai' }))}</div>
</div>
`;
}).join('');
const html = `
<!DOCTYPE html>
<html>
<head>
<title>图库</title>
<link rel="icon" href="https://p1.meituan.net/csc/c195ee91001e783f39f41ffffbbcbd484286.ico" type="image/x-icon">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<style>
* {
box-sizing: border-box;
}
body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background: linear-gradient(135deg, #f5f7fa 0%, #e4e8f0 100%);
min-height: 100vh;
margin: 0;
padding: 20px;
}
.page-title {
font-size: 32px;
font-weight: 700;
background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
text-align: center;
margin-bottom: 20px;
letter-spacing: 0.5px;
}
.header {
position: sticky;
top: 10px;
background: rgba(255, 255, 255, 0.85);
backdrop-filter: blur(12px);
-webkit-backdrop-filter: blur(12px);
z-index: 1000;
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 20px;
padding: 15px 20px;
box-shadow: 0 4px 20px rgba(102, 126, 234, 0.15);
border-radius: 16px;
border: 1px solid rgba(255, 255, 255, 0.6);