fix: 七牛读取改用公开URL HTTP GET，不依赖SDK私有API

par-api/src/main/resources/application.yml

@@ -53,6 +53,7 @@ par:
       secret-key: ${QINIU_SK:}
       bucket: ${QINIU_BUCKET:par-configs}
       region: ${QINIU_REGION:z2}
+      domain: ${QINIU_DOMAIN:}
   mediabot:
     psk: ${PAR_MEDIABOT_PSK:}
   admin:

par-core/src/main/java/com/par/core/storage/QiniuStorageService.java

@@ -11,8 +11,15 @@ import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
 import org.springframework.stereotype.Service;
 
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.time.Duration;
+
 /**
  * 七牛云存储（主存储）。
+ * 读文件通过公开 URL 直接 HTTP GET，不依赖 SDK 内部 API。
  */
 @Slf4j
 @Service
@@ -23,21 +30,30 @@ public class QiniuStorageService implements StorageService {
     private final BucketManager bucketManager;
     private final Auth auth;
     private final String bucket;
+    private final String cdnDomain;
+    private final HttpClient httpClient;
 
     public QiniuStorageService(
             @Value("${par.storage.qiniu.access-key:}") String ak,
             @Value("${par.storage.qiniu.secret-key:}") String sk,
             @Value("${par.storage.qiniu.bucket:par-configs}") String bucket,
-            @Value("${par.storage.qiniu.region:z2}") String region) {
+            @Value("${par.storage.qiniu.region:z2}") String region,
+            @Value("${par.storage.qiniu.domain:}") String domain) {
 
         this.bucket = bucket;
         this.auth = Auth.create(ak, sk);
+        this.cdnDomain = domain != null && !domain.isBlank()
+                ? domain : "http://" + bucket + ".qiniucdn.com";
 
         Configuration cfg = new Configuration(getRegion(region));
         this.uploadManager = new UploadManager(cfg);
         this.bucketManager = new BucketManager(auth, cfg);
+        this.httpClient = HttpClient.newBuilder()
+                .connectTimeout(Duration.ofSeconds(5))
+                .followRedirects(HttpClient.Redirect.NORMAL)
+                .build();
 
-        log.info("Qiniu 存储就绪: bucket={}, region={}", bucket, region);
+        log.info("Qiniu 存储就绪: bucket={}, domain={}", bucket, cdnDomain);
     }
 
     @Override
@@ -54,14 +70,18 @@ public class QiniuStorageService implements StorageService {
     @Override
     public String read(String path) {
         try {
-            // 构造公开下载 URL
-            String url = "http://" + bucket + ".qiniucdn.com/" + path;
-            var resp = bucketManager.get(url);
-            if (resp != null && resp.statusCode == 200) {
-                try { return resp.bodyString(); } catch (Exception e) { return new String(resp.body()); }
+            String url = cdnDomain + "/" + path;
+            var req = HttpRequest.newBuilder()
+                    .uri(URI.create(url))
+                    .timeout(Duration.ofSeconds(10))
+                    .GET().build();
+            var resp = httpClient.send(req, HttpResponse.BodyHandlers.ofString());
+            if (resp.statusCode() == 200) {
+                return resp.body();
             }
-        } catch (QiniuException e) {
-            log.warn("Qiniu 读取失败 {}: {}", path, e.response != null ? e.response.error : e.getMessage());
+            log.warn("Qiniu 读取失败 {}: HTTP {}", path, resp.statusCode());
+        } catch (Exception e) {
+            log.warn("Qiniu 读取失败 {}: {}", path, e.getMessage());
         }
         return null;
     }