The url you visit is not found.
+ + +` + +let response_header={ + "content-type": "text/html;charset=UTF-8", +} + +if (config.cors=="on"){ + response_header={ + "content-type": "text/html;charset=UTF-8", + "Access-Control-Allow-Origin":"*", + "Access-Control-Allow-Methods": "POST", + } +} + +async function randomString(len) { + len = len || 6; + let $chars = 'ABCDEFGHJKMNPQRSTWXYZabcdefhijkmnprstwxyz2345678'; /****默认去掉了容易混淆的字符oOLl,9gq,Vv,Uu,I1****/ + let maxPos = $chars.length; + let result = ''; + for (i = 0; i < len; i++) { + result += $chars.charAt(Math.floor(Math.random() * maxPos)); + } + return result; +} + +async function sha512(url){ + url = new TextEncoder().encode(url) + + const url_digest = await crypto.subtle.digest( + { + name: "SHA-512", + }, + url, // The data you want to hash as an ArrayBuffer + ) + const hashArray = Array.from(new Uint8Array(url_digest)); // convert buffer to byte array + const hashHex = hashArray.map(b => b.toString(16).padStart(2, '0')).join(''); + //console.log(hashHex) + return hashHex +} +async function checkURL(URL){ + let str=URL; + let Expression=/http(s)?:\/\/([\w-]+\.)+[\w-]+(\/[\w- .\/?%&=]*)?/; + let objExp=new RegExp(Expression); + if(objExp.test(str)==true){ + if (str[0] == 'h') + return true; + else + return false; + }else{ + return false; + } +} +async function save_url(URL){ + let random_key=await randomString() + let is_exist=await LINKS.get(random_key) + console.log(is_exist) + if (is_exist == null) + return await LINKS.put(random_key, URL),random_key + else + save_url(URL) +} +async function is_url_exist(url_sha512){ + let is_exist = await LINKS.get(url_sha512) + console.log(is_exist) + if (is_exist == null) { + return false + }else{ + return is_exist + } +} +async function handleRequest(request) { + console.log(request) + + // 查KV中的password对应的值 + const password_value = await LINKS.get("password"); + + if (request.method === "POST") { + let req=await request.json() + let req_cmd=req["cmd"] + if (req_cmd == "add") { + let req_url=req["url"] + let req_keyPhrase=req["keyPhrase"] + let req_password=req["password"] + + console.log(req_url) + console.log(req_keyPhrase) + console.log(req_password) + if(!await checkURL(req_url)){ + return new Response(`{"status":500,"key": "", "error":": Error: Url illegal."}`, { + headers: response_header, + }) + } + + if (req_password != password_value) { + return new Response(`{"status":500,"key": "", "error":": Error: Invalid password."}`, { + headers: response_header, + }) + } + + let stat,random_key + if (config.custom_link && (req_keyPhrase != "")){ + let is_exist=await LINKS.get(req_keyPhrase) + if (is_exist != null) { + return new Response(`{"status":500,"key": "", "error":": Error: Custom shortURL existed."}`, { + headers: response_header, + }) + }else{ + random_key = req_keyPhrase + stat, await LINKS.put(req_keyPhrase, req_url) + } + } else if (config.unique_link){ + let url_sha512 = await sha512(req_url) + let url_key = await is_url_exist(url_sha512) + if(url_key){ + random_key = url_key + }else{ + stat,random_key=await save_url(req_url) + if (typeof(stat) == "undefined"){ + console.log(await LINKS.put(url_sha512,random_key)) + } + } + }else{ + stat,random_key=await save_url(req_url) + } + console.log(stat) + if (typeof(stat) == "undefined"){ + return new Response(`{"status":200, "key":"`+random_key+`", "error": ""}`, { + headers: response_header, + }) + }else{ + return new Response(`{"status":500, "key": "", "error":": Error:Reach the KV write limitation."}`, { + headers: response_header, + }) + } + } else if (req_cmd == "del") { + let req_keyPhrase=req["keyPhrase"] + let req_password=req["password"] + + if (req_password != password_value) { + return new Response(`{"status":500,"key": "", "error":": Error: Invalid password."}`, { + headers: response_header, + }) + } + + await LINKS.delete(req_keyPhrase) + return new Response(`{"status":200}`, { + headers: response_header, + }) + } + + }else if(request.method === "OPTIONS"){ + return new Response(``, { + headers: response_header, + }) + } + + const requestURL = new URL(request.url) + const path = requestURL.pathname.split("/")[1] + const params = requestURL.search; + + console.log(path) + if(!path){ + return Response.redirect("https://zelikk.blogspot.com/search/label/Url-Shorten-Worker", 302) + /* new Response(html404, { + headers: { + "content-type": "text/html;charset=UTF-8", + }, + status: 404 + }) */ + } + + // 如果path符合password 显示应用界面 + if (path==password_value){ + let index= await fetch("https://crazypeace.github.io/Url-Shorten-Worker/"+config.theme+"/index.html") + index=await index.text() + index=index.replace(/__PASSWORD__/gm, password_value) + return new Response(index, { + headers: { + "content-type": "text/html;charset=UTF-8", + }, + }) + } + + const value = await LINKS.get(path); + let location ; + + if(params) { + location = value + params + } else { + location = value + } + console.log(value) + + if (location) { + if (config.no_ref=="on"){ + let no_ref= await fetch("https://crazypeace.github.io/Url-Shorten-Worker/no-ref.html") + no_ref=await no_ref.text() + no_ref=no_ref.replace(/{Replace}/gm, location) + return new Response(no_ref, { + headers: { + "content-type": "text/html;charset=UTF-8", + }, + }) + }else{ + return Response.redirect(location, 302) + } + } + // If request not in kv, return 404 + return new Response(html404, { + headers: { + "content-type": "text/html;charset=UTF-8", + }, + status: 404 + }) +} + +addEventListener("fetch", async event => { + event.respondWith(handleRequest(event.request)) +})