Moved backend routes to a dedicated directory

6 files changed, 460 insertions, 0 deletions

diff --git a/packages/server/src/routes/api/util.ts b/packages/server/src/routes/api/util.ts
new file mode 100644
index 0000000..2a06393
--- /dev/null
+++ b/packages/server/src/routes/api/util.ts
@@ -0,0 +1,42 @@
+import { Commit } from "../../git/commit";
+import { Repository } from "../../git/repository";
+
+type VerificationResultType = "SUCCESS" | "NOT_FOUND" | "INVALID";
+
+export class VerificationResult {
+	constructor(result: VerificationResultType, subject?: string) {
+		this.success = result === "SUCCESS";
+
+		if(result !== "SUCCESS") {
+			const verification_error_types = {
+				NOT_FOUND: { code: 404, message: `${String(subject?.substr(0, 1).toUpperCase()) + subject?.substr(1)} not found!` },
+				INVALID: { code: 403, message: `Invalid ${subject}` }
+			};
+
+			this.message = verification_error_types[result].message;
+			this.code = verification_error_types[result].code;
+		}
+	}
+
+	success: boolean;
+	code: number | null = null;
+	message: string | null = null;
+}
+
+export function verifyRepoName(repo_name: string): boolean {
+	return /^[a-zA-Z0-9.\-_]+$/u.test(repo_name);
+}
+
+export async function verifySHA(repository: Repository, sha: string): Promise<VerificationResult> {
+	if(!(/^[a-fA-F0-9]+$/u).test(sha)) {
+		return new VerificationResult("INVALID", "sha");
+	}
+
+	const object_exists = await Commit.lookupExists(repository, sha);
+
+	if(!object_exists) {
+		return new VerificationResult("NOT_FOUND", "object");
+	}
+
+	return new VerificationResult("SUCCESS");
+}
\ No newline at end of file
diff --git a/packages/server/src/routes/api/v1/index.ts b/packages/server/src/routes/api/v1/index.ts
new file mode 100644
index 0000000..d956063
--- /dev/null
+++ b/packages/server/src/routes/api/v1/index.ts
@@ -0,0 +1,91 @@
+import { FastifyInstance, FastifyPluginOptions } from "fastify";
+import { Repository } from "../../../git/repository";
+import { Route } from "../../../types/fastify";
+import repo from "./repo";
+import { verifyRepoName } from "../util";
+import { Info as APIInfo, RepositorySummary as APIRepositorySummary, Repository as APIRepository } from "shared_types";
+import { BaseError } from "../../../git/error";
+
+function setHandlers(fastify: FastifyInstance): void {
+	fastify.setErrorHandler((err, req, reply) => {
+		console.log(err);
+		reply.code(500).send({ error: "Internal server error!" });
+	});
+	fastify.setNotFoundHandler((req, reply) => {
+		reply.code(404).send({ error: "Endpoint not found!" });
+	});
+}
+
+function reposEndpoints(fastify: FastifyInstance, opts: FastifyPluginOptions, done: (err?: Error) => void): void {
+	fastify.route({
+		method: "GET",
+		url: "/repos",
+		handler: async(req, reply) => {
+			const repos = await Repository.openAll(opts.config.settings.base_dir);
+
+			if(!repos) {
+				reply.send({ data: [] });
+				return;
+			}
+
+			reply.send({
+				data: await Promise.all(repos.map(async repository => {
+					return <APIRepositorySummary>{
+						name: repository.name.short,
+						description: repository.description,
+						last_updated: (await repository.masterCommit()).date
+					};
+				}))
+			});
+		}
+	});
+
+	fastify.route<Route>({
+		method: "GET",
+		url: "/repos/:repo",
+		handler: async(req, reply) => {
+			if(!verifyRepoName(req.params.repo)) {
+				reply.code(400).send({ error: "Bad request" });
+				return;
+			}
+
+			const repository = await Repository.open(opts.config.settings.base_dir, req.params.repo).catch(err => err);
+
+			if(repository instanceof BaseError) {
+				reply.code(repository.code).send({ error: repository.message });
+				return;
+			}
+
+			const data: APIRepository = {
+				name: repository.name.short,
+				description: repository.description,
+				has_readme: await (await repository.tree()).findExists("README.md")
+			};
+
+			reply.send({ data: data });
+		}
+	});
+	done();
+}
+
+export default function(fastify: FastifyInstance, opts: FastifyPluginOptions, done: (err?: Error) => void): void {
+	setHandlers(fastify);
+
+	fastify.route({
+		method: "GET",
+		url: "/info",
+		handler: (req, reply) => {
+			const data: APIInfo = {
+				title: opts.config.settings.title,
+				about: opts.config.settings.about
+			};
+
+			reply.send({ data: data });
+		}
+	});
+
+	fastify.register(reposEndpoints, { config: { settings: opts.config.settings } });
+	fastify.register(repo, { prefix: "/repos/:repo", config: { settings: opts.config.settings } });
+
+	done();
+}
\ No newline at end of file
diff --git a/packages/server/src/routes/api/v1/repo/branches.ts b/packages/server/src/routes/api/v1/repo/branches.ts
new file mode 100644
index 0000000..10ac736
--- /dev/null
+++ b/packages/server/src/routes/api/v1/repo/branches.ts
@@ -0,0 +1,48 @@
+import { FastifyInstance, FastifyPluginOptions } from "fastify";
+import { Branch } from "../../../../git/branch";
+import { Route } from "../../../../types/fastify";
+import { BranchSummary as APIBranchSummary, Branch as APIBranch } from "shared_types";
+
+export default function(fastify: FastifyInstance, opts: FastifyPluginOptions, done: (err?: Error) => void): void {
+	fastify.route<Route>({
+		method: "GET",
+		url: "/branches",
+		handler: async(req, reply) => {
+			const branches = await req.repository.branches();
+
+			reply.send({
+				data: branches.map(branch => {
+					return <APIBranchSummary>{
+						id: branch.id,
+						name: branch.name
+					};
+				})
+			});
+		}
+	});
+
+	fastify.route<Route>({
+		method: "GET",
+		url: "/branches/:branch",
+		handler: async(req, reply) => {
+			const branch = await Branch.lookup(req.repository, req.params.branch);
+
+			if(!branch) {
+				reply.code(404).send({ error: "Branch not found!" });
+				return;
+			}
+
+			const data: APIBranch = {
+				id: branch.id,
+				name: branch.name,
+				latest_commit: await branch.latestCommit()
+			};
+
+			reply.send({
+				data: data
+			});
+		}
+	});
+
+	done();
+}
\ No newline at end of file
diff --git a/packages/server/src/routes/api/v1/repo/index.ts b/packages/server/src/routes/api/v1/repo/index.ts
new file mode 100644
index 0000000..0042b60
--- /dev/null
+++ b/packages/server/src/routes/api/v1/repo/index.ts
@@ -0,0 +1,114 @@
+import { CoolFastifyRequest, Route } from "../../../../types/fastify";
+import { FastifyInstance, FastifyPluginOptions } from "fastify";
+import { Blob } from "../../../../git/blob";
+import { Repository } from "../../../../git/repository";
+import { Tag } from "../../../../git/tag";
+import { TreeEntry } from "../../../../git/tree_entry";
+import { basename } from "path";
+import branches from "./branches";
+import log from "./log";
+import { verifyRepoName } from "../../util";
+import { Tree as APITree, Tag as APITag, TreeEntry as APITreeEntry } from "shared_types";
+import { BaseError } from "../../../../git/error";
+import { Tree } from "../../../../git/tree";
+
+declare module "fastify" {
+	interface FastifyRequest {
+		repository: Repository,
+	}
+}
+
+function addHooks(fastify: FastifyInstance, opts: FastifyPluginOptions): void {
+	fastify.addHook("preHandler", async(req: CoolFastifyRequest, reply) => {
+		const repository = await Repository.open(opts.config.settings.base_dir, req.params.repo, req.query.branch).catch((err: BaseError) => err);
+
+		if(repository instanceof BaseError) {
+			reply.code(repository.code).send({ error: repository.message });
+			return;
+		}
+
+		req.repository = repository;
+	});
+
+	fastify.addHook("onRequest", async(req: CoolFastifyRequest, reply) => {
+		if(!verifyRepoName(req.params.repo)) {
+			reply.code(400).send({ error: "Bad request" });
+		}
+	});
+}
+async function treeEntryMap(entry: TreeEntry) {
+	const latest_commit = await entry.latestCommit();
+	return <APITreeEntry>{
+		name: basename(entry.path),
+		type: entry.type,
+		latest_commit: {
+			id: latest_commit.id,
+			message: latest_commit.message,
+			date: latest_commit.date
+		}
+	};
+}
+
+async function tagMap(tag: Tag) {
+	const author = await tag.author();
+	return <APITag>{
+		name: tag.name,
+		author: { name: author.name, email: author.email },
+		date: await tag.date()
+	};
+}
+
+export default function(fastify: FastifyInstance, opts: FastifyPluginOptions, done: (err?: Error) => void): void {
+	addHooks(fastify, opts);
+
+	fastify.register(log);
+	fastify.register(branches);
+
+	fastify.route<Route>({
+		method: "GET",
+		url: "/tree",
+		handler: async(req, reply) => {
+			const tree: Tree | BaseError = await req.repository.tree().catch(err => err);
+
+			if(tree instanceof BaseError) {
+				reply.code(tree.code).send({ error: tree.message });
+				return;
+			}
+
+			const tree_path = (Object.keys(req.query).length !== 0 && req.query.path) ? req.query.path : null;
+
+			let data: APITree;
+
+			if(tree_path) {
+				const tree_path_entry: Tree | Blob | BaseError = await tree.find(tree_path).catch(err => err);
+
+				if(tree_path_entry instanceof BaseError) {
+					reply.code(tree_path_entry.code).send({ error: tree_path_entry.message });
+					return;
+				}
+
+				data = tree_path_entry instanceof Blob
+					? { type: "blob", content: await tree_path_entry.content() }
+					: { type: "tree", content: await Promise.all(tree_path_entry.entries().map(treeEntryMap)) };
+			}
+			else {
+				data = { type: "tree", content: await Promise.all(tree.entries().map(treeEntryMap)) };
+			}
+
+			reply.send({ data: data });
+		}
+	});
+
+	fastify.route<Route>({
+		method: "GET",
+		url: "/tags",
+		handler: async(req, reply) => {
+			const tags = await req.repository.tags();
+			reply.send({
+				data: await Promise.all(tags.map(tagMap))
+			});
+		}
+	});
+
+	done();
+}
\ No newline at end of file
diff --git a/packages/server/src/routes/api/v1/repo/log.ts b/packages/server/src/routes/api/v1/repo/log.ts
new file mode 100644
index 0000000..5ba4044
--- /dev/null
+++ b/packages/server/src/routes/api/v1/repo/log.ts
@@ -0,0 +1,81 @@
+import { FastifyInstance, FastifyPluginOptions } from "fastify";
+import { Commit } from "../../../../git/commit";
+import { Patch } from "../../../../git/patch";
+import { Route } from "../../../../types/fastify";
+import { verifySHA } from "../../util";
+import { LogCommit as APILogCommit, Patch as APIPatch, Commit as APICommit } from "shared_types";
+
+async function commitMap(commit: Commit) {
+	const stats = await commit.stats();
+	return <APILogCommit>{
+		id: commit.id,
+		author: {
+			name: commit.author.name,
+			email: commit.author.email
+		},
+		message: commit.message,
+		date: commit.date,
+		insertions: stats.insertions,
+		deletions: stats.deletions,
+		files_changed: stats.files_changed
+	};
+}
+
+async function patchMap(patch: Patch, index: number) {
+	return <APIPatch>{
+		additions: patch.additions,
+		deletions: patch.deletions,
+		from: patch.from,
+		to: patch.to,
+		too_large: await patch.isTooLarge(index),
+		hunks: await patch.getHunks(index)
+	};
+}
+
+export default function(fastify: FastifyInstance, opts: FastifyPluginOptions, done: (err?: Error) => void): void {
+	fastify.route<Route>({
+		method: "GET",
+		url: "/log",
+		handler: async(req, reply) => {
+			const commits = await req.repository.commits();
+
+			reply.send({
+				data: await Promise.all(commits.map(commitMap))
+			});
+		}
+	});
+
+	fastify.route<Route>({
+		method: "GET",
+		url: "/log/:commit",
+		handler: async(req, reply) => {
+			const commit_verification = await verifySHA(req.repository, req.params.commit);
+			if(commit_verification.success === false && commit_verification.code) {
+				reply.code(commit_verification.code).send({ error: commit_verification.message });
+			}
+
+			const commit = await Commit.lookup(req.repository, req.params.commit);
+
+			const stats = await commit.stats();
+
+			const data: APICommit = {
+				message: commit.message,
+				author: {
+					name: commit.author.name,
+					email: commit.author.email
+				},
+				date: commit.date,
+				insertions: stats.insertions,
+				deletions: stats.deletions,
+				files_changed: stats.files_changed,
+				diff: await Promise.all((await (await commit.diff()).patches()).map(patchMap))
+			};
+
+			reply.send({
+				data: data
+			});
+		}
+	});
+
+	done();
+}
\ No newline at end of file
diff --git a/packages/server/src/routes/repo.ts b/packages/server/src/routes/repo.ts
new file mode 100644
index 0000000..ce81dcd
--- /dev/null
+++ b/packages/server/src/routes/repo.ts
@@ -0,0 +1,84 @@
+import { Repository } from "../git/repository";
+import { CoolFastifyRequest, Route } from "../types/fastify";
+import { Tag } from "../git/tag";
+import { FastifyInstance, FastifyPluginOptions } from "fastify";
+import { verifyRepoName } from "../routes/api/util";
+import { BaseError } from "../git/error";
+
+export default function(fastify: FastifyInstance, opts: FastifyPluginOptions, done: (err?: Error) => void): void {
+	fastify.addHook("onRequest", async(req: CoolFastifyRequest, reply) => {
+		if(!verifyRepoName(req.params.repo)) {
+			reply.code(400).send("Bad request");
+		}
+	});
+
+	fastify.route<Route>({
+		method: "GET",
+		url: "/info/refs",
+		handler: async(req, reply) => {
+			reply.header("Content-Type", "application/x-git-upload-pack-advertisement");
+
+			if(!req.query.service) {
+				reply.header("Content-Type", "text/plain");
+				reply.code(403).send("Missing service query parameter\n");
+				return;
+			}
+
+			if(req.query.service !== "git-upload-pack") {
+				reply.header("Content-Type", "text/plain");
+				reply.code(403).send("Access denied!\n");
+				return;
+			}
+
+			if(Object.keys(req.query).length !== 1) {
+				reply.code(403).send("Too many query parameters!\n");
+				return;
+			}
+
+			const repository = await Repository.open(opts.config.settings.base_dir, req.params.repo);
+			repository.HTTPconnect(req, reply);
+		}
+	});
+
+	fastify.route<Route>({
+		method: "POST",
+		url: "/git-upload-pack",
+		handler: async(req, reply) => {
+			const repository = await Repository.open(opts.config.settings.base_dir, req.params.repo);
+			repository.HTTPconnect(req, reply);
+		}
+	});
+
+	fastify.route({
+		method: "POST",
+		url: "/git-receive-pack",
+		handler: (req, reply) => {
+			reply.header("Content-Type", "application/x-git-receive-pack-result");
+			reply.code(403).send("Access denied!");
+		}
+	});
+
+	fastify.route<Route>({
+		method: "GET",
+		url: "/refs/tags/:tag",
+		handler: async(req, reply) => {
+			const repository: Repository | BaseError = await Repository.open(opts.settings.base_dir, req.params.repo).catch(err => err);
+
+			if(repository instanceof BaseError) {
+				reply.code(repository.code).send(repository.message);
+				return;
+			}
+
+			const tag = await Tag.lookup(repository, req.params.tag).catch(err => err);
+
+			if(tag instanceof BaseError) {
+				reply.code(tag.code).send(tag.message);
+				return;
+			}
+
+			tag.downloadTarball(reply);
+		}
+	});
+
+	done();
+}
\ No newline at end of file