Refactor code structure for improved readability and maintainability

server/lib/config.js

@@ -27,3 +27,63 @@ export const DB_CONFIG = {
 
 export const JWT_SECRET = process.env.JWT_SECRET || "change-me-in-production";
 export const JWT_EXPIRES_IN = process.env.JWT_EXPIRES_IN || "7d";
+
+function normalizeHostKey(value) {
+    if (!value) return null;
+    try {
+        const url = new URL(value);
+        return url.host.toLowerCase();
+    } catch {
+        return value.replace(/^[a-z]+:\/\//i, "").replace(/\/.*$/, "").trim().toLowerCase() || null;
+    }
+}
+
+function parseGiteaTokenMap(rawValue) {
+    if (!rawValue) return {};
+    const map = {};
+    try {
+        const parsed = typeof rawValue === "string" ? JSON.parse(rawValue) : rawValue;
+        if (parsed && typeof parsed === "object") {
+            for (const [key, token] of Object.entries(parsed)) {
+                const host = normalizeHostKey(key);
+                if (host && typeof token === "string" && token.trim()) {
+                    map[host] = token.trim();
+                }
+            }
+            return map;
+        }
+    } catch {
+        // Fall through to comma-separated parsing.
+    }
+
+    const segments = String(rawValue)
+        .split(",")
+        .map((segment) => segment.trim())
+        .filter(Boolean);
+    for (const segment of segments) {
+        const [key, token] = segment.split("=").map((part) => part.trim());
+        const host = normalizeHostKey(key);
+        if (host && token) {
+            map[host] = token;
+        }
+    }
+    return map;
+}
+
+const DEFAULT_GITEA_TOKEN = process.env.GITEA_TOKEN?.trim() || null;
+const GITEA_TOKENS = parseGiteaTokenMap(process.env.GITEA_TOKENS);
+
+function getEnvTokenForHost(host) {
+    if (!host) return null;
+    const envKey = `GITEA_TOKEN_${host.replace(/[^A-Z0-9]/gi, "_").toUpperCase()}`;
+    return process.env[envKey]?.trim() || null;
+}
+
+export function getGiteaToken(baseUrl) {
+    const host = normalizeHostKey(baseUrl);
+    return (
+        (host && (GITEA_TOKENS[host] || getEnvTokenForHost(host))) ||
+        DEFAULT_GITEA_TOKEN ||
+        null
+    );
+}