chore: initialize from frontend template 4dc033c

2026-08-13 18:23:26 +09:00
commit 40107eec84
897 changed files with 234824 additions and 0 deletions
@@ -0,0 +1,74 @@
+const LOOPBACK_IPV4 = /^127(?:\.\d{1,3}){3}$/;
+
+/**
+ * A release gate must not promote a local preview server as live hosting
+ * evidence.
+ *
+ */
+export function classifyLiveHostingBaseUrl(value: string):
+  | {
+      passed: true;
+      reason: null;
+      url: URL;
+      observedOrigin: string;
+    }
+  | {
+      passed: false;
+      reason: string;
+      url: URL | null;
+      observedOrigin: string | null;
+    } {
+  let url: URL;
+  try {
+    url = new URL(value);
+  } catch {
+    return {
+      passed: false,
+      reason: "HOSTING_BASE_URL must be an absolute URL",
+      url: null,
+      observedOrigin: null,
+    };
+  }
+
+  const observedOrigin = url.origin;
+  const hostname = url.hostname.toLowerCase().replace(/^\[|\]$/g, "");
+  if (url.protocol !== "https:") {
+    return {
+      passed: false,
+      reason: "live hosting evidence requires HTTPS",
+      url,
+      observedOrigin,
+    };
+  }
+  if (url.username || url.password) {
+    return {
+      passed: false,
+      reason: "HOSTING_BASE_URL must not contain credentials",
+      url,
+      observedOrigin,
+    };
+  }
+  if (
+    hostname === "localhost" ||
+    hostname.endsWith(".localhost") ||
+    hostname === "::1" ||
+    hostname === "0.0.0.0" ||
+    LOOPBACK_IPV4.test(hostname)
+  ) {
+    return {
+      passed: false,
+      reason: "local or loopback hosts are not live deployment evidence",
+      url,
+      observedOrigin,
+    };
+  }
+  if (url.pathname !== "/" || url.search || url.hash) {
+    return {
+      passed: false,
+      reason: "HOSTING_BASE_URL must be the canonical root URL",
+      url,
+      observedOrigin,
+    };
+  }
+  return { passed: true, reason: null, url, observedOrigin };
+}