feat(umami): 新增token自动更新功能并优化缓存策略

- 添加Umami token自动获取和更新机制
- 实现token有效性检测和自动管理
- 新增update_token.php用于手动更新token
- 延长缓存时间至7天减少API调用
- 优化系统稳定性和维护性

info.php

@@ -4,9 +4,12 @@ header("Access-Control-Allow-Origin: *");
 
 // 配置 Umami API 的凭据
 $apiBaseUrl = 'https://um.com';
+$username = 'your-username'; // Umami登录用户名
+$password = 'your-password'; // Umami登录密码
 $token = '你的tocken';
 $websiteId = '你的网站id';
 $cacheFile = 'umami_cache.json';
+$tokenFile = 'umami_token.json'; // token缓存文件
 $cacheTime = 604800; // 缓存时间为7天（604800秒）
 
 // 获取当前时间戳（毫秒级）
@@ -18,6 +21,114 @@ $startTimestampYesterday = strtotime("yesterday") * 1000;
 $startTimestampLastMonth = strtotime("-1 month") * 1000;
 $startTimestampLastYear = strtotime("-1 year") * 1000;
 
+/**
+ * 获取新的Umami token
+ * @param string $apiBaseUrl API基础URL
+ * @param string $username 用户名
+ * @param string $password 密码
+ * @return string|null 返回token或null
+ */
+function getNewUmamiToken($apiBaseUrl, $username, $password) {
+    $loginUrl = "$apiBaseUrl/api/auth/login";
+    $loginData = json_encode([
+        'username' => $username,
+        'password' => $password
+    ]);
+    
+    $options = [
+        'http' => [
+            'method' => 'POST',
+            'header' => [
+                "Content-Type: application/json",
+                "Content-Length: " . strlen($loginData)
+            ],
+            'content' => $loginData
+        ]
+    ];
+    
+    $context = stream_context_create($options);
+    $response = @file_get_contents($loginUrl, false, $context);
+    
+    if ($response === FALSE) {
+        error_log("Failed to get new token from Umami API");
+        return null;
+    }
+    
+    $responseData = json_decode($response, true);
+    return $responseData['token'] ?? null;
+}
+
+/**
+ * 获取有效的token（自动更新机制）
+ * @param string $apiBaseUrl API基础URL
+ * @param string $username 用户名
+ * @param string $password 密码
+ * @param string $tokenFile token缓存文件路径
+ * @param string $currentToken 当前token
+ * @return string 有效的token
+ */
+function getValidToken($apiBaseUrl, $username, $password, $tokenFile, $currentToken) {
+    // 检查token缓存文件
+    if (file_exists($tokenFile)) {
+        $tokenData = json_decode(file_get_contents($tokenFile), true);
+        if ($tokenData && isset($tokenData['token']) && isset($tokenData['timestamp'])) {
+            // token缓存7天有效
+            if (time() - $tokenData['timestamp'] < 604800) {
+                return $tokenData['token'];
+            }
+        }
+    }
+    
+    // 尝试获取新token
+    $newToken = getNewUmamiToken($apiBaseUrl, $username, $password);
+    if ($newToken) {
+        // 保存新token到缓存文件
+        $tokenData = [
+            'token' => $newToken,
+            'timestamp' => time()
+        ];
+        file_put_contents($tokenFile, json_encode($tokenData));
+        return $newToken;
+    }
+    
+    // 如果获取新token失败，返回当前token
+    return $currentToken;
+}
+
+/**
+ * 检测token是否有效
+ * @param string $apiBaseUrl API基础URL
+ * @param string $websiteId 网站ID
+ * @param string $token 要检测的token
+ * @return bool token是否有效
+ */
+function isTokenValid($apiBaseUrl, $websiteId, $token) {
+    $testUrl = "$apiBaseUrl/api/websites/$websiteId/stats?startAt=" . (time() * 1000 - 86400000) . "&endAt=" . (time() * 1000);
+    $options = [
+        'http' => [
+            'method' => 'GET',
+            'header' => [
+                "Authorization: Bearer $token",
+                "Content-Type: application/json"
+            ]
+        ]
+    ];
+    $context = stream_context_create($options);
+    $response = @file_get_contents($testUrl, false, $context);
+    
+    // 检查HTTP响应状态码
+    if (isset($http_response_header)) {
+        foreach ($http_response_header as $header) {
+            if (strpos($header, 'HTTP/') === 0) {
+                $statusCode = (int) substr($header, 9, 3);
+                return $statusCode === 200;
+            }
+        }
+    }
+    
+    return $response !== FALSE;
+}
+
 // 定义 Umami API 请求函数
 function fetchUmamiData($apiBaseUrl, $websiteId, $startAt, $endAt, $token) {
     $url = "$apiBaseUrl/api/websites/$websiteId/stats?" . http_build_query([
@@ -46,17 +157,33 @@ function fetchUmamiData($apiBaseUrl, $websiteId, $startAt, $endAt, $token) {
     return json_decode($response, true);
 }
 
+// 获取有效的token（自动检查和更新）
+$validToken = getValidToken($apiBaseUrl, $username, $password, $tokenFile, $token);
+
 // 检查缓存文件是否存在且未过期
 if (file_exists($cacheFile) && (time() - filemtime($cacheFile) < $cacheTime)) {
     // 读取缓存文件
     $cachedData = file_get_contents($cacheFile);
     echo $cachedData;
 } else {
+    // 如果token无效，尝试重新获取
+    if (!isTokenValid($apiBaseUrl, $websiteId, $validToken)) {
+        $validToken = getNewUmamiToken($apiBaseUrl, $username, $password);
+        if ($validToken) {
+            // 更新token缓存
+            $tokenData = [
+                'token' => $validToken,
+                'timestamp' => time()
+            ];
+            file_put_contents($tokenFile, json_encode($tokenData));
+        }
+    }
+    
     // 获取统计数据
-    $todayData = fetchUmamiData($apiBaseUrl, $websiteId, $startTimestampToday, $currentTimestamp, $token);
-    $yesterdayData = fetchUmamiData($apiBaseUrl, $websiteId, $startTimestampYesterday, $startTimestampToday, $token);
-    $lastMonthData = fetchUmamiData($apiBaseUrl, $websiteId, $startTimestampLastMonth, $currentTimestamp, $token);
-    $lastYearData = fetchUmamiData($apiBaseUrl, $websiteId, $startTimestampLastYear, $currentTimestamp, $token);
+    $todayData = fetchUmamiData($apiBaseUrl, $websiteId, $startTimestampToday, $currentTimestamp, $validToken);
+    $yesterdayData = fetchUmamiData($apiBaseUrl, $websiteId, $startTimestampYesterday, $startTimestampToday, $validToken);
+    $lastMonthData = fetchUmamiData($apiBaseUrl, $websiteId, $startTimestampLastMonth, $currentTimestamp, $validToken);
+    $lastYearData = fetchUmamiData($apiBaseUrl, $websiteId, $startTimestampLastYear, $currentTimestamp, $validToken);
 
     // 组装返回的 JSON 数据
     $responseData = [