Merge pull request #853 from AbelSara/filters_disabled

Disable Sentinel web filters when using Sentinel gateway starters

spring-cloud-alibaba-sentinel-gateway/src/main/java/com/alibaba/cloud/sentinel/gateway/GatewayEnvironmentPostProcessor.java

@@ -0,0 +1,74 @@
+/*
+ * Copyright (C) 2019 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.cloud.sentinel.gateway;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.env.EnvironmentPostProcessor;
+import org.springframework.core.env.*;
+
+import java.util.HashMap;
+import java.util.Map;
+
+/**
+ * @author zhuhonghan
+ */
+public class GatewayEnvironmentPostProcessor implements EnvironmentPostProcessor {
+    private final static String SENTINEL_FILTER_ENABLED = "spring.cloud.sentinel.filter.enabled";
+    private final static String PROPERTY_SOURCE_NAME = "defaultProperties";
+
+    @Override
+    public void postProcessEnvironment(ConfigurableEnvironment environment, SpringApplication springApplication) {
+        addDefaultPropertySource(environment);
+    }
+
+    private void addDefaultPropertySource(ConfigurableEnvironment environment) {
+
+        Map<String, Object> map = new HashMap<String, Object>();
+
+        configureDefaultProperties(map);
+
+        addOrReplace(environment.getPropertySources(), map);
+    }
+
+    private void configureDefaultProperties(Map<String, Object> source) {
+        // Required Properties
+        source.put(SENTINEL_FILTER_ENABLED, "false");
+    }
+
+    private void addOrReplace(MutablePropertySources propertySources,
+                              Map<String, Object> map) {
+        MapPropertySource target = null;
+        if (propertySources.contains(PROPERTY_SOURCE_NAME)) {
+            PropertySource<?> source = propertySources.get(PROPERTY_SOURCE_NAME);
+            if (source instanceof MapPropertySource) {
+                target = (MapPropertySource) source;
+                for (String key : map.keySet()) {
+                    if (!target.containsProperty(key)) {
+                        target.getSource().put(key, map.get(key));
+                    }
+                }
+            }
+        }
+        if (target == null) {
+            target = new MapPropertySource(PROPERTY_SOURCE_NAME, map);
+        }
+        if (!propertySources.contains(PROPERTY_SOURCE_NAME)) {
+            propertySources.addLast(target);
+        }
+    }
+
+
+}

spring-cloud-alibaba-sentinel-gateway/src/main/resources/META-INF/spring.factories

@@ -1,4 +1,5 @@
 org.springframework.boot.autoconfigure.EnableAutoConfiguration=\
 com.alibaba.cloud.sentinel.gateway.zuul.SentinelZuulAutoConfiguration,\
 com.alibaba.cloud.sentinel.gateway.scg.SentinelSCGAutoConfiguration,\
-com.alibaba.cloud.sentinel.gateway.SentinelGatewayAutoConfiguration
+com.alibaba.cloud.sentinel.gateway.SentinelGatewayAutoConfiguration
+org.springframework.boot.env.EnvironmentPostProcessor=com.alibaba.cloud.sentinel.gateway.GatewayEnvironmentPostProcessor