feature: 处理静态文件 Content-Type

src/main/java/com/ywt/gateway/filter/AuthGatewayFilterFactory.java

@@ -10,6 +10,7 @@ import com.ywt.gateway.configuration.BizCfg;
 import com.ywt.gateway.decorator.RecorderServerHttpRequestDecorator;
 import com.ywt.gateway.model.*;
 import com.ywt.gateway.utils.BizUtil;
+import jodd.net.MimeTypes;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -43,6 +44,8 @@ import java.util.concurrent.atomic.AtomicReference;
  */
 @Component
 public class AuthGatewayFilterFactory extends AbstractGatewayFilterFactory<HostLocationInfo> {
+    public static final String SLASH = "/";
+    public static final String DOT = ".";
     private final Logger logger = LoggerFactory.getLogger(AuthGatewayFilterFactory.class);
     public static final String AUTH_TYPE_WEB = "web";
     public static final String AUTH_TYPE_WECHATMP = "wechatmp";
@@ -82,7 +85,7 @@ public class AuthGatewayFilterFactory extends AbstractGatewayFilterFactory<HostL
                 ".ico",
         };
         if (requestUrl != null && !requestUrl.isEmpty()) {
-            if (requestUrl.endsWith("/")) {
+            if (requestUrl.endsWith(SLASH)) {
                 requestUrl = requestUrl.substring(0, requestUrl.length() - 1);
             }
             for (String suffix : staticFilesSuffix) {
@@ -92,6 +95,19 @@ public class AuthGatewayFilterFactory extends AbstractGatewayFilterFactory<HostL
         return false;
     }
 
+    private String tryGettingExtFromUrl(String requestUrl) {
+        if (requestUrl != null && !requestUrl.isEmpty()) {
+            if (requestUrl.endsWith(SLASH)) {
+                requestUrl = requestUrl.substring(0, requestUrl.length() - 1);
+            }
+            int lastDotIdx = requestUrl.lastIndexOf(DOT);
+            if (lastDotIdx > 0 && !requestUrl.endsWith(DOT)) {
+                return requestUrl.substring(lastDotIdx + 1);
+            }
+        }
+        return "";
+    }
+
     @Override
     public GatewayFilter apply(HostLocationInfo config) {
         return (exchange, chain) -> {
@@ -124,10 +140,14 @@ public class AuthGatewayFilterFactory extends AbstractGatewayFilterFactory<HostL
             try {
                 String auth = config.getAuth();
                 String protocol = config.getProtocol();
-                if (auth == null || auth.isEmpty() || isRequest4StaticFiles(requestUrl)) {
+                boolean isStaticFiles = isRequest4StaticFiles(requestUrl);
+                if (auth == null || auth.isEmpty() || isStaticFiles) {
                     // 不需要授权
                     return chain.filter(exchange).then(Mono.fromRunnable(() -> {
                         proxyPass(config, null, exchange.getResponse().getHeaders(), exchange.getResponse());
+                        if (isStaticFiles) {
+                            exchange.getResponse().getHeaders().set(HttpHeaders.CONTENT_TYPE, MimeTypes.getMimeType(tryGettingExtFromUrl(requestUrl)));
+                        }
                     }));
                 } else {
                     AuthInfo authInfo = bizCfg.getAuths().stream().filter(i -> auth.equals(i.getName())).findFirst().orElse(null);
@@ -300,7 +320,7 @@ public class AuthGatewayFilterFactory extends AbstractGatewayFilterFactory<HostL
                 if (!cookieName.isEmpty()) tokenName = cookieName;
                 ResponseCookie cookie = ResponseCookie.from(tokenName, token)
                         .httpOnly(false)
-                        .path("/")
+                        .path(SLASH)
 //                        .maxAge(authInfo.getMaxAge())
                         .domain(authInfo.getCookieDomain())
                         .build();
@@ -312,7 +332,7 @@ public class AuthGatewayFilterFactory extends AbstractGatewayFilterFactory<HostL
                 if (!cookieName.isEmpty()) tokenName = cookieName;
                 ResponseCookie cookie = ResponseCookie.from(tokenName, "")
                         .httpOnly(false)
-                        .path("/")
+                        .path(SLASH)
                         .maxAge(-1)
                         .domain(authInfo.getCookieDomain())
                         .build();