微信开放平台：增加 HTTP proxy 机制

weixin-java-open/src/main/java/me/chanjar/weixin/open/api/WxOpenConfigStorage.java

@@ -38,6 +38,14 @@ public interface WxOpenConfigStorage {
 
   void updateComponentAccessTokent(WxOpenComponentAccessToken componentAccessToken);
 
+  String getHttpProxyHost();
+
+  int getHttpProxyPort();
+
+  String getHttpProxyUsername();
+
+  String getHttpProxyPassword();
+
   WxMpConfigStorage getWxMpConfigStorage(String appId);
 
   WxMaConfig getWxMaConfig(String appId);
@@ -117,5 +125,4 @@ public interface WxOpenConfigStorage {
    * @param expiresInSeconds 过期时间，以秒为单位
    */
   void updateCardApiTicket(String appId, String cardApiTicket, int expiresInSeconds);
-
 }

weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenInMemoryConfigStorage.java

@@ -30,6 +30,11 @@ public class WxOpenInMemoryConfigStorage implements WxOpenConfigStorage {
   private String componentAccessToken;
   private long componentExpiresTime;
 
+  private String httpProxyHost;
+  private int httpProxyPort;
+  private String httpProxyUsername;
+  private String httpProxyPassword;
+
   private Map<String, Token> authorizerRefreshTokens = new Hashtable<>();
   private Map<String, Token> authorizerAccessTokens = new Hashtable<>();
   private Map<String, Token> jsapiTickets = new Hashtable<>();
@@ -105,6 +110,42 @@ public void updateComponentAccessTokent(WxOpenComponentAccessToken componentAcce
     updateComponentAccessTokent(componentAccessToken.getComponentAccessToken(), componentAccessToken.getExpiresIn());
   }
 
+  @Override
+  public String getHttpProxyHost() {
+    return httpProxyHost;
+  }
+
+  public void setHttpProxyHost(String httpProxyHost) {
+    this.httpProxyHost = httpProxyHost;
+  }
+
+  @Override
+  public int getHttpProxyPort() {
+    return httpProxyPort;
+  }
+
+  public void setHttpProxyPort(int httpProxyPort) {
+    this.httpProxyPort = httpProxyPort;
+  }
+
+  @Override
+  public String getHttpProxyUsername() {
+    return httpProxyUsername;
+  }
+
+  public void setHttpProxyUsername(String httpProxyUsername) {
+    this.httpProxyUsername = httpProxyUsername;
+  }
+
+  @Override
+  public String getHttpProxyPassword() {
+    return httpProxyPassword;
+  }
+
+  public void setHttpProxyPassword(String httpProxyPassword) {
+    this.httpProxyPassword = httpProxyPassword;
+  }
+
   @Override
   public WxMpConfigStorage getWxMpConfigStorage(String appId) {
     return new WxOpenInnerConfigStorage(this, appId);
@@ -377,22 +418,22 @@ public String getOauth2redirectUri() {
 
     @Override
     public String getHttpProxyHost() {
-      return null;
+      return this.wxOpenConfigStorage.getHttpProxyHost();
     }
 
     @Override
     public int getHttpProxyPort() {
-      return 0;
+      return this.wxOpenConfigStorage.getHttpProxyPort();
     }
 
     @Override
     public String getHttpProxyUsername() {
-      return null;
+      return this.wxOpenConfigStorage.getHttpProxyUsername();
     }
 
     @Override
     public String getHttpProxyPassword() {
-      return null;
+      return this.wxOpenConfigStorage.getHttpProxyPassword();
     }
 
     @Override

weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenServiceAbstractImpl.java

@@ -33,8 +33,14 @@ public WxOpenConfigStorage getWxOpenConfigStorage() {
   @Override
   public void setWxOpenConfigStorage(WxOpenConfigStorage wxOpenConfigStorage) {
     this.wxOpenConfigStorage = wxOpenConfigStorage;
+    this.initHttp();
   }
 
+  /**
+   * 初始化 RequestHttp
+   */
+  public abstract void initHttp();
+
   protected synchronized <T, E> T execute(RequestExecutor<T, E> executor, String uri, E data) throws WxErrorException {
     try {
       T result = executor.execute(uri, data);

weixin-java-open/src/main/java/me/chanjar/weixin/open/api/impl/WxOpenServiceApacheHttpClientImpl.java

@@ -5,6 +5,7 @@
 import me.chanjar.weixin.common.util.http.SimpleGetRequestExecutor;
 import me.chanjar.weixin.common.util.http.SimplePostRequestExecutor;
 import me.chanjar.weixin.common.util.http.apache.DefaultApacheHttpClientBuilder;
+import me.chanjar.weixin.open.api.WxOpenConfigStorage;
 import org.apache.http.HttpHost;
 import org.apache.http.impl.client.CloseableHttpClient;
 
@@ -14,8 +15,21 @@
  * @author <a href="https://github.com/007gzs">007</a>
  */
 public class WxOpenServiceApacheHttpClientImpl extends WxOpenServiceAbstractImpl<CloseableHttpClient, HttpHost> {
-  private CloseableHttpClient httpClient = DefaultApacheHttpClientBuilder.get().build();
-  private HttpHost httpProxy = null;
+  private CloseableHttpClient httpClient;
+  private HttpHost httpProxy;
+
+  @Override
+  public void initHttp() {
+    WxOpenConfigStorage configStorage = this.getWxOpenConfigStorage();
+    if (configStorage.getHttpProxyHost() != null && configStorage.getHttpProxyPort() > 0) {
+      this.httpProxy = new HttpHost(configStorage.getHttpProxyHost(), configStorage.getHttpProxyPort());
+    }
+    this.httpClient = DefaultApacheHttpClientBuilder.get()
+      .httpProxyHost(configStorage.getHttpProxyHost())
+      .httpProxyPort(configStorage.getHttpProxyPort())
+      .httpProxyUsername(configStorage.getHttpProxyUsername())
+      .httpProxyPassword(configStorage.getHttpProxyPassword()).build();
+  }
 
   @Override
   public CloseableHttpClient getRequestHttpClient() {
@@ -41,5 +55,4 @@ public String get(String url, String queryParam) throws WxErrorException {
   public String post(String url, String postData) throws WxErrorException {
     return execute(SimplePostRequestExecutor.create(this), url, postData);
   }
-
 }