大屏修改

baqing-admin/src/main/java/com/ruoyi/web/kb/support/KbFileUrlResolver.java

@@ -1,5 +1,7 @@
 package com.ruoyi.web.kb.support;
 
+import java.net.URI;
+import java.net.URISyntaxException;
 import com.ruoyi.common.exception.ServiceException;
 import com.ruoyi.common.utils.StringUtils;
 
@@ -8,6 +10,12 @@ import com.ruoyi.common.utils.StringUtils;
  */
 public final class KbFileUrlResolver
 {
+    /** 外网域名：同步知识库时若正文 URL 含此串，则改写为内网地址供知识库拉取 */
+    private static final String EXTRANET_HOST = "bqxm.alafarms.com";
+
+    /** 内网文件服务地址（含端口） */
+    private static final String INTRANET_HOST = "192.168.153.16:443";
+
     private KbFileUrlResolver()
     {
     }
@@ -25,7 +33,7 @@ public final class KbFileUrlResolver
         String p = contentFileUrl.trim();
         if (StringUtils.startsWithIgnoreCase(p, "http://") || StringUtils.startsWithIgnoreCase(p, "https://"))
         {
-            return p;
+            return rewriteExtranetToIntranetIfNeeded(contentFileUrl, p);
         }
         if (StringUtils.isEmpty(fileUrlBase))
         {
@@ -37,6 +45,48 @@ public final class KbFileUrlResolver
             base = base.substring(0, base.length() - 1);
         }
         String path = p.startsWith("/") ? p : "/" + p;
-        return base + path;
+        return rewriteExtranetToIntranetIfNeeded(contentFileUrl, base + path);
+    }
+
+    /**
+     * 正文 URL 含外网域名时，将解析结果中的域名替换为内网地址，便于知识库节点拉取文件。
+     */
+    static String rewriteExtranetToIntranetIfNeeded(String contentFileUrl, String resolvedUrl)
+    {
+        if (StringUtils.isEmpty(contentFileUrl) || StringUtils.isEmpty(resolvedUrl))
+        {
+            return resolvedUrl;
+        }
+        if (!contentFileUrl.contains(EXTRANET_HOST))
+        {
+            return resolvedUrl;
+        }
+        try
+        {
+            URI uri = new URI(resolvedUrl);
+            if (uri.getHost() == null || !EXTRANET_HOST.equalsIgnoreCase(uri.getHost()))
+            {
+                return resolvedUrl;
+            }
+            StringBuilder sb = new StringBuilder();
+            sb.append(uri.getScheme()).append("://").append(INTRANET_HOST);
+            if (uri.getRawPath() != null)
+            {
+                sb.append(uri.getRawPath());
+            }
+            if (uri.getRawQuery() != null)
+            {
+                sb.append('?').append(uri.getRawQuery());
+            }
+            if (uri.getRawFragment() != null)
+            {
+                sb.append('#').append(uri.getRawFragment());
+            }
+            return sb.toString();
+        }
+        catch (URISyntaxException e)
+        {
+            return resolvedUrl;
+        }
     }
 }

baqing-admin/src/test/java/com/ruoyi/web/kb/support/KbFileUrlResolverTest.java

@@ -0,0 +1,58 @@
+package com.ruoyi.web.kb.support;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import com.ruoyi.common.exception.ServiceException;
+
+@DisplayName("KbFileUrlResolver")
+class KbFileUrlResolverTest
+{
+    @Test
+    @DisplayName("外网域名改写为内网地址")
+    void rewriteExtranetHost()
+    {
+        String url = "https://bqxm.alafarms.com/profile/2026/01/a.pdf";
+        String resolved = KbFileUrlResolver.resolveForKbUpload(url, null);
+        assertEquals("https://192.168.153.16:443/profile/2026/01/a.pdf", resolved);
+    }
+
+    @Test
+    @DisplayName("不含外网域名时不改写")
+    void noRewriteWhenHostAbsent()
+    {
+        String url = "https://other.example.com/file.pdf";
+        assertEquals(url, KbFileUrlResolver.resolveForKbUpload(url, null));
+    }
+
+    @Test
+    @DisplayName("相对路径拼接后按 contentFileUrl 是否含外网域名决定是否改写 base")
+    void relativePathWithExtranetInContentUrl()
+    {
+        String content = "https://bqxm.alafarms.com/profile/a.pdf";
+        assertEquals(
+                "https://192.168.153.16:443/profile/a.pdf",
+                KbFileUrlResolver.resolveForKbUpload(content, "https://ignored.example.com"));
+    }
+
+    @Test
+    @DisplayName("相对路径且 base 含外网域名时改写拼接结果")
+    void relativePathExtranetInBaseWhenContentContainsHost()
+    {
+        String content = "https://bqxm.alafarms.com/profile/a.pdf";
+        // absolute URL path — already covered; test relative with marker in content
+        String relativeContent = "/profile/b.pdf?from=bqxm.alafarms.com";
+        String resolved = KbFileUrlResolver.resolveForKbUpload(
+                relativeContent, "https://bqxm.alafarms.com");
+        assertEquals("https://192.168.153.16:443/profile/b.pdf?from=bqxm.alafarms.com", resolved);
+    }
+
+    @Test
+    @DisplayName("正文地址为空时抛错")
+    void emptyUrlThrows()
+    {
+        assertThrows(ServiceException.class, () -> KbFileUrlResolver.resolveForKbUpload("", "http://base"));
+    }
+}