From 86395bd219b770133cb80d4bda4efc9155a4eef8 Mon Sep 17 00:00:00 2001
From: HampusM <hampus@hampusmat.com>
Date: Mon, 7 Jun 2021 20:54:26 +0200
Subject: Refactored the backend. It's written in typescript now.

---
 packages/server/src/app.ts | 127 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 packages/server/src/app.ts

(limited to 'packages/server/src/app.ts')

diff --git a/packages/server/src/app.ts b/packages/server/src/app.ts
new file mode 100644
index 0000000..810ca65
--- /dev/null
+++ b/packages/server/src/app.ts
@@ -0,0 +1,127 @@
+import { readFileSync, readdirSync } from "fs";
+import { Git } from "./api/git";
+import api from "./api/v1";
+import { exit } from "process";
+import { fastify as fastifyFactory } from "fastify";
+import { join } from "path";
+import { load } from "js-yaml";
+import { verifyRepoName } from "./api/util";
+
+const settings = <any>load(readFileSync(join(__dirname, "/../../../settings.yml"), "utf8"));
+const settings_keys = Object.keys(settings);
+
+const mandatory_settings = [ "host", "port", "dev_port", "title", "about", "base_dir", "production" ];
+
+// Make sure that all the required settings are present
+const settings_not_included = mandatory_settings.filter(x => !settings_keys.includes(x));
+if(settings_not_included.length !== 0) {
+	console.log(`Error: settings.yml is missing ${(settings_not_included.length > 1) ? "keys" : "key"}:`);
+	console.log(settings_not_included.join(", "));
+	exit(1);
+}
+
+// Make sure that there's not an excessive amount of settings
+const mandatory_not_included = settings_keys.filter(x => !mandatory_settings.includes(x));
+if(mandatory_not_included.length !== 0) {
+	console.log(`Error: settings.yml includes ${(mandatory_not_included.length > 1) ? "pointless keys" : "a pointless key"}:`);
+	console.log(mandatory_not_included.join(", "));
+	exit(1);
+}
+
+// Make sure that the base directory specified in the settings actually exists
+try {
+	readdirSync(settings.base_dir);
+}
+catch {
+	console.error(`Error: Tried opening the base directory. No such directory: ${settings.base_dir}`);
+	exit(1);
+}
+
+const dist_dir = join(__dirname, "/../../client/dist");
+
+if(settings.production) {
+	try {
+		readdirSync(dist_dir);
+	}
+	catch {
+		console.error("Error: Tried opening the dist directory but it doesn't exist.\nDid you accidentally turn on the production setting?");
+		exit(1);
+	}
+}
+
+const fastify = fastifyFactory();
+const git = new Git(settings.base_dir);
+
+fastify.setNotFoundHandler({}, function(req, reply) {
+	reply.code(404).send("Page not found!");
+});
+
+if(settings.production) {
+	fastify.register(require("fastify-static"), { root: dist_dir });
+
+	fastify.route({
+		method: "GET",
+		url: "/",
+		handler: (req, reply: any) => reply.sendFile("index.html")
+	});
+}
+
+fastify.addContentTypeParser("application/x-git-upload-pack-request", (req, payload, done) => done(null, payload));
+
+fastify.register(api, { prefix: "/api/v1", config: { settings: settings } });
+
+interface Query {
+	[key: string]: string
+}
+
+fastify.route({
+	method: "GET",
+	url: "/:repo([a-zA-Z0-9\\.\\-_]+)/info/refs",
+	handler: async(req, reply) => {
+		reply.header("Content-Type", "application/x-git-upload-pack-advertisement");
+
+		const repo_verification = await verifyRepoName(settings.base_dir, (<any>req).params.repo);
+		if(repo_verification.success === false) {
+			reply.code(repo_verification.code).send(repo_verification.message);
+		}
+
+		const query: Query = <any>req.query;
+		if(!query.service) {
+			reply.code(403).send("Missing service query parameter\n");
+			return;
+		}
+		else if(query.service !== "git-upload-pack") {
+			reply.code(403).send("Access denied!\n");
+			return;
+		}
+		else if(Object.keys(query).length !== 1) {
+			reply.code(403).send("Too many query parameters!\n");
+			return;
+		}
+
+		git.connectToGitHTTPBackend(req, reply);
+	}
+});
+
+fastify.route({
+	method: "POST",
+	url: "/:repo([a-zA-Z0-9\\.\\-_]+)/git-upload-pack",
+	handler: async(req, reply) => {
+		const repo_verification = await verifyRepoName(settings.base_dir, (<any>req).params.repo);
+		if(repo_verification.success === false) {
+			reply.header("Content-Type", "application/x-git-upload-pack-result");
+			reply.code(repo_verification.code).send(repo_verification.message);
+		}
+
+		git.connectToGitHTTPBackend(req, reply);
+	}
+});
+
+fastify.listen(settings.port, settings.host, (err: Error, addr: string) => {
+	if(err) {
+		console.error(err);
+		exit(1);
+	}
+
+	console.log(`App is running on ${addr}`);
+});
\ No newline at end of file
-- 
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