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| #!/usr/bin/env node | |
| const http = require("http"); | |
| const url = require("url"); | |
| const fs = require("fs"); | |
| const yaml = require("js-yaml"); | |
| var server = http.createServer(recievedRequest); | |
| server.listen(8063, "::1", function() { | |
| console.log("Start serving..."); | |
| }); | |
| var database; | |
| rereadData(); | |
| process.on("SIGHUP", rereadData); | |
| var websiteRoot = "https://fiveyellowmice.github.io"; | |
| function rereadData() { | |
| fs.readFile(__dirname + "/urls.yaml", "utf-8", function(error, file) { | |
| if (error) throw error; | |
| database = yaml.safeLoad(file); | |
| console.log("Database read"); | |
| }); | |
| } | |
| function recievedRequest(request, response) { | |
| var sourceIp; | |
| try { | |
| sourceIp = request.headers["x-forwarded-for"] || request.connection.remoteAddress || request.socket.remoteAddress || request.connection.socket.remoteAddress; | |
| } catch (error) { | |
| sourceIp = "unknown"; | |
| } | |
| console.log("Request: " + request.method + " " + request.url + "\t" + sourceIp); | |
| var pathname = url.parse(request.url).pathname; | |
| if (pathname === "/") { | |
| response.writeHead(200, { "content-type": "text/html; charset=utf-8" }); | |
| var table = ""; | |
| for (var name in database) { | |
| if (database.hasOwnProperty(name)) { | |
| table += "<tr><td><a href=\"" + websiteRoot + database[name] + "\">" + name + "</a></td><td>" + database[name] + "</td></tr>"; | |
| } | |
| } | |
| response.write("<html><head><meta charset=\"utf-8\" /><meta name=\"robots\" content=\"noindex\" /><title>FiveYellowMice's Short URL</title></head><body>" + | |
| "<h1>FiveYellowMice's Short URL</h1>" + | |
| "<p>这里的短链接是为 FiveYellowMice's Blog 准备的。如果你需要生成短链接，可别找我。</p>" + | |
| "<table>" + table + "</table>" + | |
| "</body></html>" | |
| ); | |
| response.end(); | |
| return; | |
| } | |
| if (!database.hasOwnProperty(pathname.substring(1))) { | |
| response.writeHead(404); | |
| response.end("Not found."); | |
| return; | |
| } | |
| var location = websiteRoot + database[pathname.substring(1)]; | |
| response.writeHead(301, { location: location }); | |
| response.end("<html><head></head><body><p>Redirecting to <a href=\"" + location + "\">here</a>.</p></body></html>"); | |
| } |
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