finish

.dockerignore

+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# Compiled binary addons (https://nodejs.org/api/addons.html)
+build/Release
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# TypeScript v1 declaration files
+typings/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
+
+.dockerignore
+.git*
+Dockerfile
+/certs
+*.png

.gitignore

@@ -59,3 +59,6 @@ typings/
 
 # next.js build output
 .next
+
+/certs
+*.png

Dockerfile

+FROM 12.12.0-buster-slim
+COPY . /usr/src/app
+WORKDIR /usr/src/app
+RUN npm ci
+CMD node index.js 443

index.js

+"use strict";
+const https = require("https");
+const fs = require("fs");
+const _request = require("request");
+const url = require("url");
+
+const https_options = {
+	cert: fs.readFileSync("./certs/fullchain.pem"),
+	key: fs.readFileSync("./certs/privkey.pem")
+};
+
+const https_server = https.createServer(https_options, (request, response) => {
+	const u = url.parse(request.url, false);
+	const path_match = u.pathname.match(/^\/(.+)\.png$/);
+	if (!path_match) { 
+		response.writeHead(403);
+		response.end("Invalid pathname.");
+		return;
+	}
+	const username = path_match[1];
+	_request({
+		url: "https://ygobbs.com/users/" + username + ".json",
+		json: true
+	}, (error, res, body) => { 
+			if (error) {
+				response.writeHead(500);
+				response.end("Username error.");
+				console.error("USERNAME ERROR", error)
+			} else if (typeof (body) === "string") {
+				response.writeHead(500);
+				response.end("Bad username JSON.");
+				console.log("BAD USERNAME JSON", body);
+			} else if (!body.users) {
+				response.writeHead(404);
+				response.end("Not found.");
+			} else { 
+				const real_username = encodeURIComponent(body.users[0].username);
+				_request({
+					url: "https://api.moecube.com/accounts/users/" + real_username + ".avatar"
+				}, (error, res, body) => {
+						if (error) {
+							response.writeHead(500);
+							response.end("Request error.");
+							console.error("REQUEST ERROR", error);
+						} else if (body == "{\"message\":\"Not Found\"}") {
+							response.writeHead(404);
+							response.end("Not found.");
+						} else {
+							//console.log(body);
+							_request({
+								url: body,
+								encoding: null
+							}, (error, res, body) => { 
+									if (error) {
+										response.writeHead(500);
+										response.end("Avatar error.");
+										console.error("AVATAR ERROR", error);
+									} else { 
+										var recv_buf = Buffer.from(body, 'binary');
+										response.writeHead(200, { "Content-Type": "image/png" });
+										fs.writeFileSync("./test.png", recv_buf);
+										response.end(recv_buf);
+									}
+							});
+						}
+				 });
+			}
+	});
+});
+
+https_server.listen(parseInt(process.argv[2]));

package.json

+{
+  "name": "avatar-helper",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/mycard/avatar-helper.git"
+  },
+  "author": "Nanahira",
+  "license": "AGPL-3.0",
+  "bugs": {
+    "url": "https://github.com/mycard/avatar-helper/issues"
+  },
+  "homepage": "https://github.com/mycard/avatar-helper#readme",
+  "dependencies": {
+    "request": "^2.88.0"
+  }
+}