mirror of
https://github.com/MarSeventh/CloudFlare-ImgBed.git
synced 2026-01-31 00:53:20 +08:00
758 lines
28 KiB
JavaScript
758 lines
28 KiB
JavaScript
import { errorHandling, telemetryData } from "./utils/middleware";
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import { fetchUploadConfig, fetchSecurityConfig } from "./utils/sysConfig";
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import { purgeCFCache } from "./utils/purgeCache";
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import { S3Client, PutObjectCommand } from "@aws-sdk/client-s3";
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let uploadConfig = {};
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let securityConfig = {};
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let rightAuthCode = null;
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let moderateContentApiKey = null;
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function UnauthorizedException(reason) {
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return new Response(reason, {
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status: 401,
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statusText: "Unauthorized",
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headers: {
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"Content-Type": "text/plain;charset=UTF-8",
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// Disables caching by default.
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"Cache-Control": "no-store",
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// Returns the "Content-Length" header for HTTP HEAD requests.
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"Content-Length": reason.length,
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},
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});
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}
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function isValidAuthCode(envAuthCode, authCode) {
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return authCode === envAuthCode;
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}
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function isAuthCodeDefined(authCode) {
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return authCode !== undefined && authCode !== null && authCode.trim() !== '';
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}
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function getCookieValue(cookies, name) {
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const match = cookies.match(new RegExp('(^| )' + name + '=([^;]+)'));
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return match ? decodeURIComponent(match[2]) : null;
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}
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function authCheck(env, url, request) {
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// 优先从请求 URL 获取 authCode
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let authCode = url.searchParams.get('authCode');
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// 如果 URL 中没有 authCode，从 Referer 中获取
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if (!authCode) {
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const referer = request.headers.get('Referer');
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if (referer) {
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try {
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const refererUrl = new URL(referer);
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authCode = new URLSearchParams(refererUrl.search).get('authCode');
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} catch (e) {
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console.error('Invalid referer URL:', e);
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}
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}
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}
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// 如果 Referer 中没有 authCode，从请求头中获取
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if (!authCode) {
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authCode = request.headers.get('authCode');
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}
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// 如果请求头中没有 authCode，从 Cookie 中获取
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if (!authCode) {
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const cookies = request.headers.get('Cookie');
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if (cookies) {
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authCode = getCookieValue(cookies, 'authCode');
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}
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}
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if (isAuthCodeDefined(rightAuthCode) && !isValidAuthCode(rightAuthCode, authCode)) {
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return false;
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}
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return true;
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}
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export async function onRequestPost(context) { // Contents of context object
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const { request, env, params, waitUntil, next, data } = context;
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const url = new URL(request.url);
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const clonedRequest = await request.clone();
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// 读取安全配置
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securityConfig = await fetchSecurityConfig(env);
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rightAuthCode = securityConfig.auth.user.authCode;
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moderateContentApiKey = securityConfig.upload.moderate.apiKey;
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// 鉴权
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if (!authCheck(env, url, request)) {
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return UnauthorizedException('Unauthorized');
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}
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// 获得上传IP
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const uploadIp = request.headers.get("cf-connecting-ip") || request.headers.get("x-real-ip") || request.headers.get("x-forwarded-for") || request.headers.get("x-client-ip") || request.headers.get("x-host") || request.headers.get("x-originating-ip") || request.headers.get("x-cluster-client-ip") || request.headers.get("forwarded-for") || request.headers.get("forwarded") || request.headers.get("via") || request.headers.get("requester") || request.headers.get("true-client-ip") || request.headers.get("client-ip") || request.headers.get("x-remote-ip") || request.headers.get("x-originating-ip") || request.headers.get("fastly-client-ip") || request.headers.get("akamai-origin-hop") || request.headers.get("x-remote-ip") || request.headers.get("x-remote-addr") || request.headers.get("x-remote-host") || request.headers.get("x-client-ip") || request.headers.get("x-client-ips") || request.headers.get("x-client-ip")
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// 判断上传ip是否被封禁
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const isBlockedIp = await isBlockedUploadIp(env, uploadIp);
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if (isBlockedIp) {
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return new Response('Error: Your IP is blocked', { status: 403 });
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}
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// 获取IP地址
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const ipAddress = await getIPAddress(uploadIp);
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// 读取上传配置
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uploadConfig = await fetchUploadConfig(env);
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// 获得上传渠道
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const urlParamUploadChannel = url.searchParams.get('uploadChannel');
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// 获取上传文件夹路径
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let uploadFolder = url.searchParams.get('uploadFolder') || '';
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let uploadChannel = 'TelegramNew';
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switch (urlParamUploadChannel) {
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case 'telegram':
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uploadChannel = 'TelegramNew';
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break;
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case 'cfr2':
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uploadChannel = 'CloudflareR2';
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break;
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case 's3':
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uploadChannel = 'S3';
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break;
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case 'external':
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uploadChannel = 'External';
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break;
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default:
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uploadChannel = 'TelegramNew';
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break;
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}
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// 错误处理和遥测
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if (env.dev_mode === undefined || env.dev_mode === null || env.dev_mode !== 'true') {
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await errorHandling(context);
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telemetryData(context);
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}
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// img_url 未定义或为空的处理逻辑
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if (typeof env.img_url == "undefined" || env.img_url == null || env.img_url == "") {
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return new Response('Error: Please configure KV database', { status: 500 });
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}
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// 获取文件信息
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const time = new Date().getTime();
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const formdata = await clonedRequest.formData();
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const fileType = formdata.get('file').type;
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let fileName = formdata.get('file').name;
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const fileSize = (formdata.get('file').size / 1024 / 1024).toFixed(2); // 文件大小，单位MB
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// 检查fileType和fileName是否存在
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if (fileType === null || fileType === undefined || fileName === null || fileName === undefined) {
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return new Response('Error: fileType or fileName is wrong, check the integrity of this file!', { status: 400 });
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}
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fileName = fileName.split('/').pop();
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// 如果上传文件夹路径为空，尝试从文件名中获取
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if (uploadFolder === '' || uploadFolder === null || uploadFolder === undefined) {
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uploadFolder = fileName.split('/').slice(0, -1).join('/');
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}
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// 处理文件夹路径格式，确保没有开头的/
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const normalizedFolder = uploadFolder
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? uploadFolder.replace(/^\/+/, '') // 移除开头的/
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.replace(/\/{2,}/g, '/') // 替换多个连续的/为单个/
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.replace(/\/$/, '') // 移除末尾的/
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: '';
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const metadata = {
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FileName: fileName,
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FileType: fileType,
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FileSize: fileSize,
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UploadIP: uploadIp,
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UploadAddress: ipAddress,
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ListType: "None",
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TimeStamp: time,
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Label: "None",
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Folder: normalizedFolder || 'root',
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}
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let fileExt = fileName.split('.').pop(); // 文件扩展名
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if (!isExtValid(fileExt)) {
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// 如果文件名中没有扩展名，尝试从文件类型中获取
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fileExt = fileType.split('/').pop();
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if (fileExt === fileType || fileExt === '' || fileExt === null || fileExt === undefined) {
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// Type中无法获取扩展名
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fileExt = 'unknown' // 默认扩展名
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}
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}
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// 构建文件ID
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const nameType = url.searchParams.get('uploadNameType') || 'default'; // 获取命名方式
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const unique_index = time + Math.floor(Math.random() * 10000);
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let fullId = '';
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if (nameType === 'index') {
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// 只在 normalizedFolder 非空时添加路径
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fullId = normalizedFolder ? `${normalizedFolder}/${unique_index}.${fileExt}` : `${unique_index}.${fileExt}`;
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} else if (nameType === 'origin') {
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fullId = normalizedFolder ? `${normalizedFolder}/${fileName}` : fileName;
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} else if (nameType === 'short') {
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while (true) {
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const shortId = generateShortId(8);
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const testFullId = normalizedFolder ? `${normalizedFolder}/${shortId}.${fileExt}` : `${shortId}.${fileExt}`;
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if (await env.img_url.get(testFullId) === null) {
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fullId = testFullId;
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break;
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}
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}
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} else {
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fullId = normalizedFolder ? `${normalizedFolder}/${unique_index}_${fileName}` : `${unique_index}_${fileName}`;
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}
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// 获得返回链接格式, default为返回/file/id, full为返回完整链接
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const returnFormat = url.searchParams.get('returnFormat') || 'default';
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let returnLink = '';
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if (returnFormat === 'full') {
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returnLink = `${url.origin}/file/${fullId}`;
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} else {
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returnLink = `/file/${fullId}`;
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}
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// 清除CDN缓存
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const cdnUrl = `https://${url.hostname}/file/${fullId}`;
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await purgeCDNCache(env, cdnUrl, url, normalizedFolder);
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// ====================================不同渠道上传=======================================
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// 出错是否切换渠道自动重试，默认开启
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const autoRetry = url.searchParams.get('autoRetry') === 'false' ? false : true;
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let err = '';
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// 上传到不同渠道
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if (uploadChannel === 'CloudflareR2') {
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// -------------CloudFlare R2 渠道---------------
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const res = await uploadFileToCloudflareR2(env, formdata, fullId, metadata, returnLink, url);
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if (res.status === 200 || !autoRetry) {
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return res;
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} else {
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err = await res.text();
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}
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} else if (uploadChannel === 'S3') {
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// ---------------------S3 渠道------------------
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const res = await uploadFileToS3(env, formdata, fullId, metadata, returnLink, url);
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if (res.status === 200 || !autoRetry) {
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return res;
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} else {
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err = await res.text();
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}
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} else if (uploadChannel === 'External') {
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// --------------------外链渠道----------------------
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const res = await uploadFileToExternal(env, formdata, fullId, metadata, returnLink, url);
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return res;
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} else {
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// ----------------Telegram New 渠道-------------------
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const res = await uploadFileToTelegram(env, formdata, fullId, metadata, fileExt, fileName, fileType, url, clonedRequest, returnLink);
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if (res.status === 200 || !autoRetry) {
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return res;
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} else {
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err = await res.text();
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}
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}
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// 上传失败，开始自动切换渠道重试
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const res = await tryRetry(err, env, uploadChannel, formdata, fullId, metadata, fileExt, fileName, fileType, url, clonedRequest, returnLink);
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return res;
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}
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// 自动切换渠道重试
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async function tryRetry(err, env, uploadChannel, formdata, fullId, metadata, fileExt, fileName, fileType, url, clonedRequest, returnLink) {
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// 渠道列表
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const channelList = ['CloudflareR2', 'TelegramNew', 'S3'];
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const errMessages = {};
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errMessages[uploadChannel] = 'Error: ' + uploadChannel + err;
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for (let i = 0; i < channelList.length; i++) {
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if (channelList[i] !== uploadChannel) {
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let res = null;
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if (channelList[i] === 'CloudflareR2') {
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res = await uploadFileToCloudflareR2(env, formdata, fullId, metadata, returnLink, url);
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} else if (channelList[i] === 'TelegramNew') {
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res = await uploadFileToTelegram(env, formdata, fullId, metadata, fileExt, fileName, fileType, url, clonedRequest, returnLink);
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} else if (channelList[i] === 'S3') {
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res = await uploadFileToS3(env, formdata, fullId, metadata, returnLink, url);
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}
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if (res.status === 200) {
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return res;
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} else {
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errMessages[channelList[i]] = 'Error: ' + channelList[i] + await res.text();
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}
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}
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}
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return new Response(JSON.stringify(errMessages), { status: 500 });
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}
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// 上传到Cloudflare R2
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async function uploadFileToCloudflareR2(env, formdata, fullId, metadata, returnLink, originUrl) {
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// 检查R2数据库是否配置
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if (typeof env.img_r2 == "undefined" || env.img_r2 == null || env.img_r2 == "") {
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return new Response('Error: Please configure R2 database', { status: 500 });
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}
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// 检查 R2 渠道是否启用
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const r2Settings = uploadConfig.cfr2;
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if (!r2Settings.channels || r2Settings.channels.length === 0) {
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return new Response('Error: No R2 channel provided', { status: 400 });
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}
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const r2Channel = r2Settings.channels[0];
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const R2DataBase = env.img_r2;
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// 写入R2数据库
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await R2DataBase.put(fullId, formdata.get('file'));
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// 更新metadata
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metadata.Channel = "CloudflareR2";
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metadata.ChannelName = "R2_env";
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// 图像审查，采用R2的publicUrl
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const R2PublicUrl = r2Channel.publicUrl;
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let moderateUrl = `${R2PublicUrl}/${fullId}`;
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metadata = await moderateContent(env, moderateUrl, metadata);
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// 写入KV数据库
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try {
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await env.img_url.put(fullId, "", {
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metadata: metadata,
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});
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} catch (error) {
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return new Response('Error: Failed to write to KV database', { status: 500 });
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}
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// 成功上传，将文件ID返回给客户端
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return new Response(
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JSON.stringify([{ 'src': `${returnLink}` }]),
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{
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status: 200,
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headers: { 'Content-Type': 'application/json' }
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}
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);
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}
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// 上传到 S3（支持自定义端点）
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async function uploadFileToS3(env, formdata, fullId, metadata, returnLink, originUrl) {
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const s3Settings = uploadConfig.s3;
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const s3Channels = s3Settings.channels;
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const s3Channel = s3Settings.loadBalance.enabled
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? s3Channels[Math.floor(Math.random() * s3Channels.length)]
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: s3Channels[0];
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if (!s3Channel) {
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return new Response('Error: No S3 channel provided', { status: 400 });
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}
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const { endpoint, accessKeyId, secretAccessKey, bucketName, region } = s3Channel;
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// 创建 S3 客户端
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const s3Client = new S3Client({
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region: region || "auto", // R2 可用 "auto"
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endpoint, // 自定义 S3 端点
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credentials: {
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accessKeyId,
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secretAccessKey
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}
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});
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// 获取文件
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const file = formdata.get("file");
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if (!file) return new Response("Error: No file provided", { status: 400 });
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// 转换 Blob 为 Uint8Array
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const arrayBuffer = await file.arrayBuffer();
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const uint8Array = new Uint8Array(arrayBuffer);
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const s3FileName = fullId;
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try {
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// S3 上传参数
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const putObjectParams = {
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Bucket: bucketName,
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Key: s3FileName,
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Body: uint8Array, // 直接使用 Blob
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ContentType: file.type
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};
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// 执行上传
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await s3Client.send(new PutObjectCommand(putObjectParams));
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// 更新 metadata
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metadata.Channel = "S3";
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metadata.ChannelName = s3Channel.name;
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const s3ServerDomain = endpoint.replace(/https?:\/\//, "");
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metadata.S3Location = `https://${bucketName}.${s3ServerDomain}/${s3FileName}`; // 采用虚拟主机风格的 URL
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metadata.S3Endpoint = endpoint;
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metadata.S3AccessKeyId = accessKeyId;
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metadata.S3SecretAccessKey = secretAccessKey;
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metadata.S3Region = region || "auto";
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metadata.S3BucketName = bucketName;
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metadata.S3FileKey = s3FileName;
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// 图像审查
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if (moderateContentApiKey) {
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try {
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await env.img_url.put(fullId, "", { metadata });
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} catch {
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return new Response("Error: Failed to write to KV database", { status: 500 });
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}
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const moderateUrl = `https://${originUrl.hostname}/file/${fullId}`;
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metadata = await moderateContent(env, moderateUrl, metadata);
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await purgeCDNCache(env, moderateUrl, originUrl);
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}
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// 写入 KV 数据库
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try {
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await env.img_url.put(fullId, "", { metadata });
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} catch {
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return new Response("Error: Failed to write to KV database", { status: 500 });
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}
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return new Response(JSON.stringify([{ src: returnLink }]), {
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status: 200,
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headers: { "Content-Type": "application/json" },
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});
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} catch (error) {
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return new Response(`Error: Failed to upload to S3 - ${error.message}`, { status: 500 });
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}
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}
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// 上传到Telegram
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async function uploadFileToTelegram(env, formdata, fullId, metadata, fileExt, fileName, fileType, url, clonedRequest, returnLink) {
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// 选择一个 Telegram 渠道上传，若负载均衡开启，则随机选择一个；否则选择第一个
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const tgSettings = uploadConfig.telegram;
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const tgChannels = tgSettings.channels;
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const tgChannel = tgSettings.loadBalance.enabled? tgChannels[Math.floor(Math.random() * tgChannels.length)] : tgChannels[0];
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if (!tgChannel) {
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return new Response('Error: No Telegram channel provided', { status: 400 });
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}
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const tgBotToken = tgChannel.botToken;
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const tgChatId = tgChannel.chatId;
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// 由于TG会把gif后缀的文件转为视频，所以需要修改后缀名绕过限制
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if (fileExt === 'gif') {
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const newFileName = fileName.replace(/\.gif$/, '.jpeg');
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const newFile = new File([formdata.get('file')], newFileName, { type: fileType });
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formdata.set('file', newFile);
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} else if (fileExt === 'webp') {
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const newFileName = fileName.replace(/\.webp$/, '.jpeg');
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const newFile = new File([formdata.get('file')], newFileName, { type: fileType });
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formdata.set('file', newFile);
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}
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// 选择对应的发送接口
|
||
const fileTypeMap = {
|
||
'image/': {'url': 'sendPhoto', 'type': 'photo'},
|
||
'video/': {'url': 'sendVideo', 'type': 'video'},
|
||
'audio/': {'url': 'sendAudio', 'type': 'audio'},
|
||
'application/pdf': {'url': 'sendDocument', 'type': 'document'},
|
||
};
|
||
|
||
const defaultType = {'url': 'sendDocument', 'type': 'document'};
|
||
|
||
let sendFunction = Object.keys(fileTypeMap).find(key => fileType.startsWith(key))
|
||
? fileTypeMap[Object.keys(fileTypeMap).find(key => fileType.startsWith(key))]
|
||
: defaultType;
|
||
|
||
// GIF 发送接口特殊处理
|
||
if (fileType === 'image/gif' || fileType === 'image/webp' || fileExt === 'gif' || fileExt === 'webp') {
|
||
sendFunction = {'url': 'sendAnimation', 'type': 'animation'};
|
||
}
|
||
|
||
// 根据服务端压缩设置处理接口：从参数中获取serverCompress，如果为false，则使用sendDocument接口
|
||
if (url.searchParams.get('serverCompress') === 'false') {
|
||
sendFunction = {'url': 'sendDocument', 'type': 'document'};
|
||
}
|
||
|
||
// 根据发送接口向表单嵌入chat_id
|
||
let newFormdata = new FormData();
|
||
newFormdata.append('chat_id', tgChatId);
|
||
newFormdata.append(sendFunction.type, formdata.get('file'));
|
||
|
||
|
||
// 构建目标 URL
|
||
// const targetUrl = new URL(url.pathname, 'https://telegra.ph'); // telegraph接口，已失效，缅怀
|
||
const targetUrl = new URL(`https://api.telegram.org/bot${tgBotToken}/${sendFunction.url}`); // telegram接口
|
||
// 目标 URL 剔除 authCode 参数
|
||
url.searchParams.forEach((value, key) => {
|
||
if (key !== 'authCode') {
|
||
targetUrl.searchParams.append(key, value);
|
||
}
|
||
});
|
||
// 复制请求头并剔除 authCode
|
||
const headers = new Headers(clonedRequest.headers);
|
||
headers.delete('authCode');
|
||
|
||
|
||
// 向目标 URL 发送请求
|
||
let res = new Response('upload error, check your environment params about telegram channel!', { status: 400 });
|
||
try {
|
||
const response = await fetch(targetUrl.href, {
|
||
method: clonedRequest.method,
|
||
headers: {
|
||
"User-Agent": " Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36 Edg/121.0.0.0"
|
||
},
|
||
body: newFormdata,
|
||
});
|
||
const clonedRes = await response.clone().json(); // 等待响应克隆和解析完成
|
||
const fileInfo = getFile(clonedRes);
|
||
const filePath = await getFilePath(tgBotToken, fileInfo.file_id);
|
||
const id = fileInfo.file_id;
|
||
// 更新FileSize
|
||
metadata.FileSize = (fileInfo.file_size / 1024 / 1024).toFixed(2);
|
||
|
||
// 若上传成功，将响应返回给客户端
|
||
if (response.ok) {
|
||
res = new Response(
|
||
JSON.stringify([{ 'src': `${returnLink}` }]),
|
||
{
|
||
status: 200,
|
||
headers: { 'Content-Type': 'application/json' }
|
||
}
|
||
);
|
||
}
|
||
|
||
|
||
// 图像审查
|
||
const moderateUrl = `https://api.telegram.org/file/bot${tgBotToken}/${filePath}`;
|
||
metadata = await moderateContent(env, moderateUrl, metadata);
|
||
|
||
// 更新metadata，写入KV数据库
|
||
try {
|
||
metadata.Channel = "TelegramNew";
|
||
metadata.ChannelName = tgChannel.name;
|
||
|
||
metadata.TgFileId = id;
|
||
metadata.TgChatId = tgChatId;
|
||
metadata.TgBotToken = tgBotToken;
|
||
await env.img_url.put(fullId, "", {
|
||
metadata: metadata,
|
||
});
|
||
} catch (error) {
|
||
res = new Response('Error: Failed to write to KV database', { status: 500 });
|
||
}
|
||
} catch (error) {
|
||
res = new Response('upload error, check your environment params about telegram channel!', { status: 400 });
|
||
} finally {
|
||
return res;
|
||
}
|
||
}
|
||
|
||
|
||
// 外链渠道
|
||
async function uploadFileToExternal(env, formdata, fullId, metadata, returnLink, originUrl) {
|
||
// 直接将外链写入metadata
|
||
metadata.Channel = "External";
|
||
metadata.ChannelName = "External";
|
||
// 从 formdata 中获取外链
|
||
const extUrl = formdata.get('url');
|
||
if (extUrl === null || extUrl === undefined) {
|
||
return new Response('Error: No url provided', { status: 400 });
|
||
}
|
||
metadata.ExternalLink = extUrl;
|
||
// 写入KV数据库
|
||
try {
|
||
await env.img_url.put(fullId, "", {
|
||
metadata: metadata,
|
||
});
|
||
} catch (error) {
|
||
return new Response('Error: Failed to write to KV database', { status: 500 });
|
||
}
|
||
|
||
// 返回结果
|
||
return new Response(
|
||
JSON.stringify([{ 'src': `${returnLink}` }]),
|
||
{
|
||
status: 200,
|
||
headers: { 'Content-Type': 'application/json' }
|
||
}
|
||
);
|
||
}
|
||
|
||
|
||
// 图像审查
|
||
async function moderateContent(env, url, metadata) {
|
||
const apikey = moderateContentApiKey;
|
||
if (apikey == undefined || apikey == null || apikey == "") {
|
||
metadata.Label = "None";
|
||
} else {
|
||
try {
|
||
const fetchResponse = await fetch(`https://api.moderatecontent.com/moderate/?key=${apikey}&url=${url}`);
|
||
if (!fetchResponse.ok) {
|
||
throw new Error(`HTTP error! status: ${fetchResponse.status}`);
|
||
}
|
||
const moderate_data = await fetchResponse.json();
|
||
if (moderate_data.rating_label) {
|
||
metadata.Label = moderate_data.rating_label;
|
||
}
|
||
} catch (error) {
|
||
console.error('Moderate Error:', error);
|
||
// 将不带审查的图片写入数据库
|
||
metadata.Label = "None";
|
||
} finally {
|
||
console.log('Moderate Done');
|
||
}
|
||
}
|
||
return metadata;
|
||
}
|
||
|
||
function getFile(response) {
|
||
try {
|
||
if (!response.ok) {
|
||
return null;
|
||
}
|
||
|
||
const getFileDetails = (file) => ({
|
||
file_id: file.file_id,
|
||
file_name: file.file_name || file.file_unique_id,
|
||
file_size: file.file_size,
|
||
});
|
||
|
||
if (response.result.photo) {
|
||
const largestPhoto = response.result.photo.reduce((prev, current) =>
|
||
(prev.file_size > current.file_size) ? prev : current
|
||
);
|
||
return getFileDetails(largestPhoto);
|
||
}
|
||
|
||
if (response.result.video) {
|
||
return getFileDetails(response.result.video);
|
||
}
|
||
|
||
if (response.result.audio) {
|
||
return getFileDetails(response.result.audio);
|
||
}
|
||
|
||
if (response.result.document) {
|
||
return getFileDetails(response.result.document);
|
||
}
|
||
|
||
return null;
|
||
} catch (error) {
|
||
console.error('Error getting file id:', error.message);
|
||
return null;
|
||
}
|
||
}
|
||
|
||
async function getFilePath(bot_token, file_id) {
|
||
try {
|
||
const url = `https://api.telegram.org/bot${bot_token}/getFile?file_id=${file_id}`;
|
||
const res = await fetch(url, {
|
||
method: 'GET',
|
||
headers: {
|
||
"User-Agent": " Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome"
|
||
},
|
||
})
|
||
|
||
let responseData = await res.json();
|
||
if (responseData.ok) {
|
||
const file_path = responseData.result.file_path
|
||
return file_path
|
||
} else {
|
||
return null;
|
||
}
|
||
} catch (error) {
|
||
return null;
|
||
}
|
||
}
|
||
|
||
async function purgeCDNCache(env, cdnUrl, url, normalizedFolder) {
|
||
if (env.dev_mode === 'true') {
|
||
return;
|
||
}
|
||
|
||
// 清除CDN缓存
|
||
try {
|
||
await purgeCFCache(env, cdnUrl);
|
||
} catch (error) {
|
||
console.error('Failed to clear CDN cache:', error);
|
||
}
|
||
|
||
// 清除api/randomFileList API缓存
|
||
try {
|
||
const cache = caches.default;
|
||
// await cache.delete(`${url.origin}/api/randomFileList`); delete有bug，通过写入一个max-age=0的response来清除缓存
|
||
const nullResponse = new Response(null, {
|
||
headers: { 'Cache-Control': 'max-age=0' },
|
||
});
|
||
|
||
await cache.put(`${url.origin}/api/randomFileList?dir=${normalizedFolder}`, nullResponse);
|
||
} catch (error) {
|
||
console.error('Failed to clear cache:', error);
|
||
}
|
||
}
|
||
|
||
function isExtValid(fileExt) {
|
||
return ['jpeg', 'jpg', 'png', 'gif', 'webp',
|
||
'mp4', 'mp3', 'ogg',
|
||
'mp3', 'wav', 'flac', 'aac', 'opus',
|
||
'doc', 'docx', 'ppt', 'pptx', 'xls', 'xlsx', 'pdf',
|
||
'txt', 'md', 'json', 'xml', 'html', 'css', 'js', 'ts', 'go', 'java', 'php', 'py', 'rb', 'sh', 'bat', 'cmd', 'ps1', 'psm1', 'psd', 'ai', 'sketch', 'fig', 'svg', 'eps', 'zip', 'rar', '7z', 'tar', 'gz', 'bz2', 'xz', 'apk', 'exe', 'msi', 'dmg', 'iso', 'torrent', 'webp', 'ico', 'svg', 'ttf', 'otf', 'woff', 'woff2', 'eot', 'apk', 'crx', 'xpi', 'deb', 'rpm', 'jar', 'war', 'ear', 'img', 'iso', 'vdi', 'ova', 'ovf', 'qcow2', 'vmdk', 'vhd', 'vhdx', 'pvm', 'dsk', 'hdd', 'bin', 'cue', 'mds', 'mdf', 'nrg', 'ccd', 'cif', 'c2d', 'daa', 'b6t', 'b5t', 'bwt', 'isz', 'isz', 'cdi', 'flp', 'uif', 'xdi', 'sdi'
|
||
].includes(fileExt);
|
||
}
|
||
|
||
async function isBlockedUploadIp(env, uploadIp) {
|
||
// 检查是否配置了KV数据库
|
||
if (typeof env.img_url == "undefined" || env.img_url == null || env.img_url == "") {
|
||
return false;
|
||
}
|
||
|
||
const kv = env.img_url;
|
||
let list = await kv.get("manage@blockipList");
|
||
if (list == null) {
|
||
list = [];
|
||
} else {
|
||
list = list.split(",");
|
||
}
|
||
|
||
return list.includes(uploadIp);
|
||
}
|
||
|
||
// 生成短链接
|
||
function generateShortId(length = 8) {
|
||
const chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
|
||
let result = '';
|
||
for (let i = 0; i < length; i++) {
|
||
result += chars.charAt(Math.floor(Math.random() * chars.length));
|
||
}
|
||
return result;
|
||
}
|
||
|
||
|
||
// 获取IP地址
|
||
async function getIPAddress(ip) {
|
||
let address = '未知';
|
||
try {
|
||
const ipInfo = await fetch(`https://apimobile.meituan.com/locate/v2/ip/loc?rgeo=true&ip=${ip}`);
|
||
const ipData = await ipInfo.json();
|
||
|
||
if (ipInfo.ok && ipData.data) {
|
||
const lng = ipData.data?.lng || 0;
|
||
const lat = ipData.data?.lat || 0;
|
||
|
||
// 读取具体地址
|
||
const addressInfo = await fetch(`https://apimobile.meituan.com/group/v1/city/latlng/${lat},${lng}?tag=0`);
|
||
const addressData = await addressInfo.json();
|
||
|
||
if (addressInfo.ok && addressData.data) {
|
||
// 根据各字段是否存在，拼接地址
|
||
address = [
|
||
addressData.data.detail,
|
||
addressData.data.city,
|
||
addressData.data.province,
|
||
addressData.data.country
|
||
].filter(Boolean).join(', ');
|
||
}
|
||
}
|
||
} catch (error) {
|
||
console.error('Error fetching IP address:', error);
|
||
}
|
||
return address;
|
||
} |