取消背景图

2026-06-30 17:10:51 +08:00
parent ef9d9e8a74
commit 0c63512a29
39 changed files with 5931 additions and 661 deletions
@@ -0,0 +1,47 @@
+const RAW_API_BASE = String(import.meta.env.VITE_API_BASE || 'http://localhost:8000')
+  .trim()
+  .replace(/\/$/, '');
+
+export const RESOURCE_BASE = RAW_API_BASE.replace(/\/api\/?$/i, '').replace(/\/$/, '');
+
+export const isAbsoluteLikeUrl = (url: string): boolean => (
+  /^(https?:)?\/\//i.test(url) || /^(blob|data):/i.test(url)
+);
+
+export const isBlobUrl = (url?: string | null): boolean => !!url && /^blob:/i.test(url.trim());
+
+export const apiUrl = (url?: string | null): string => {
+  if (!url) return '';
+  const value = String(url).trim();
+  if (!value) return '';
+  if (isAbsoluteLikeUrl(value)) return value;
+
+  if (!RESOURCE_BASE) {
+    return value.startsWith('/') ? value : `/${value}`;
+  }
+  return `${RESOURCE_BASE}${value.startsWith('/') ? value : `/${value}`}`;
+};
+
+export const isUrlExpired = (url?: string | null): boolean => {
+  if (!url || isBlobUrl(url)) return false;
+
+  try {
+    const parsed = new URL(apiUrl(url), window.location.origin);
+    const expireValue =
+      parsed.searchParams.get('exp') ||
+      parsed.searchParams.get('expires') ||
+      parsed.searchParams.get('expire') ||
+      parsed.searchParams.get('expires_at') ||
+      parsed.searchParams.get('x-expires');
+
+    if (!expireValue) return false;
+
+    const expireNumber = Number(expireValue);
+    if (!Number.isFinite(expireNumber)) return false;
+
+    const expireMs = expireNumber > 10_000_000_000 ? expireNumber : expireNumber * 1000;
+    return Date.now() >= expireMs;
+  } catch {
+    return false;
+  }
+};