Moved backend routes to a dedicated directory

1 files changed, 42 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");
+}
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