初始化版本

2025-11-18 14:18:28 +08:00
commit 3c348195b7
23 changed files with 2837 additions and 0 deletions
--- a/api/head.php
+++ b/api/head.php
@@ -0,0 +1,56 @@
+<?php
+// 头像代理：转发 https://api.iyuns.com/api/head 并返回 { url }
+header('Content-Type: application/json; charset=utf-8');
+
+$endpoint = 'https://api.iyuns.com/api/head';
+
+function fetch_json($url) {
+    $ch = curl_init($url);
+    curl_setopt_array($ch, [
+        CURLOPT_RETURNTRANSFER => true,
+        CURLOPT_CONNECTTIMEOUT => 8,
+        CURLOPT_TIMEOUT => 12,
+        CURLOPT_SSL_VERIFYPEER => false,
+        CURLOPT_SSL_VERIFYHOST => false,
+        CURLOPT_USERAGENT => 'DiscussionProxy/1.0',
+    ]);
+    $body = curl_exec($ch);
+    $err  = curl_error($ch);
+    curl_close($ch);
+    if ($err) { return null; }
+    $json = json_decode($body, true);
+    return is_array($json) ? $json : null;
+}
+
+$resp = fetch_json($endpoint);
+$url = '';
+if ($resp && ($resp['code'] ?? 0) == 200) {
+    $url = preg_replace('/[`\s]/', '', (string)($resp['data'] ?? ''));
+}
+if (!$url) {
+    // 远程失败时，回退到本地随机头像（遍历 avatars 下所有日期目录）
+    $root = __DIR__ . '/../avatars';
+    $candidates = [];
+    if (is_dir($root)) {
+        $rii = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($root));
+        foreach ($rii as $file) {
+            if ($file->isFile()) {
+                $ext = strtolower(pathinfo($file->getFilename(), PATHINFO_EXTENSION));
+                if (in_array($ext, ['jpg','jpeg','png','gif','webp'])) {
+                    $rel = str_replace('\\', '/', str_replace($_SERVER['DOCUMENT_ROOT'], '', $file->getPathname()));
+                    $candidates[] = $rel;
+                }
+            }
+        }
+        if (!empty($candidates)) {
+            shuffle($candidates);
+            $url = $candidates[0];
+        }
+    }
+    // 如果本地也没有，则后备一个 Unsplash 头像
+    if (!$url) {
+        $url = 'https://images.unsplash.com/photo-1547425260-76bcadfb4f9b?w=200&h=200&fit=crop';
+    }
+}
+
+echo json_encode(['url' => $url], JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);