issue #91 添加企业号JS_API的支持

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpConfigStorage.java

@@ -22,6 +22,20 @@ public interface WxCpConfigStorage {
 
   public void updateAccessToken(String accessToken, int expiresIn);
 
+  public String getJsapiTicket();
+
+  public boolean isJsapiTicketExpired();
+
+  /**
+   * 强制将jsapi ticket过期掉
+   */
+  public void expireJsapiTicket();
+
+  /**
+   * 应该是线程安全的
+   * @param jsapiTicket
+   */
+  public void updateJsapiTicket(String jsapiTicket, int expiresInSeconds);
 
   public String getCorpId();
   

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpInMemoryConfigStorage.java

@@ -25,6 +25,9 @@ public class WxCpInMemoryConfigStorage implements WxCpConfigStorage {
   protected volatile String http_proxy_username;
   protected volatile String http_proxy_password;
 
+  protected volatile String jsapiTicket;
+  protected volatile long jsapiTicketExpiresTime;
+
   public String getAccessToken() {
     return this.accessToken;
   }
@@ -46,6 +49,37 @@ public class WxCpInMemoryConfigStorage implements WxCpConfigStorage {
     this.expiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000l;
   }
 
+  @Override
+  public String getJsapiTicket() {
+    return jsapiTicket;
+  }
+
+  public void setJsapiTicket(String jsapiTicket) {
+    this.jsapiTicket = jsapiTicket;
+  }
+
+  public long getJsapiTicketExpiresTime() {
+    return jsapiTicketExpiresTime;
+  }
+
+  public void setJsapiTicketExpiresTime(long jsapiTicketExpiresTime) {
+    this.jsapiTicketExpiresTime = jsapiTicketExpiresTime;
+  }
+
+  public boolean isJsapiTicketExpired() {
+    return System.currentTimeMillis() > this.jsapiTicketExpiresTime;
+  }
+
+  public synchronized void updateJsapiTicket(String jsapiTicket, int expiresInSeconds) {
+    this.jsapiTicket = jsapiTicket;
+    // 预留200秒的时间
+    this.jsapiTicketExpiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000l;
+  }
+
+  public void expireJsapiTicket() {
+    this.jsapiTicketExpiresTime = 0;
+  }
+
   public String getCorpId() {
     return this.corpId;
   }
@@ -153,6 +187,8 @@ public class WxCpInMemoryConfigStorage implements WxCpConfigStorage {
         ", http_proxy_port=" + http_proxy_port +
         ", http_proxy_username='" + http_proxy_username + '\'' +
         ", http_proxy_password='" + http_proxy_password + '\'' +
+        ", jsapiTicket='" + jsapiTicket + '\'' +
+        ", jsapiTicketExpiresTime='" + jsapiTicketExpiresTime + '\'' +
         '}';
   }
 

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpMessageRouter.java

@@ -5,9 +5,9 @@ import me.chanjar.weixin.common.session.InternalSessionManager;
 import me.chanjar.weixin.common.session.StandardSessionManager;
 import me.chanjar.weixin.common.session.WxSessionManager;
 import me.chanjar.weixin.common.util.LogExceptionHandler;
-import me.chanjar.weixin.common.util.WxErrorExceptionHandler;
-import me.chanjar.weixin.common.util.WxMessageDuplicateChecker;
-import me.chanjar.weixin.common.util.WxMessageInMemoryDuplicateChecker;
+import me.chanjar.weixin.common.api.WxErrorExceptionHandler;
+import me.chanjar.weixin.common.api.WxMessageDuplicateChecker;
+import me.chanjar.weixin.common.api.WxMessageInMemoryDuplicateChecker;
 import me.chanjar.weixin.cp.bean.WxCpXmlMessage;
 import me.chanjar.weixin.cp.bean.WxCpXmlOutMessage;
 import org.slf4j.Logger;
@@ -87,8 +87,8 @@ public class WxCpMessageRouter {
 
   /**
    * <pre>
-   * 设置自定义的 {@link me.chanjar.weixin.common.util.WxMessageDuplicateChecker}
-   * 如果不调用该方法，默认使用 {@link me.chanjar.weixin.common.util.WxMessageInMemoryDuplicateChecker}
+   * 设置自定义的 {@link me.chanjar.weixin.common.api.WxMessageDuplicateChecker}
+   * 如果不调用该方法，默认使用 {@link me.chanjar.weixin.common.api.WxMessageInMemoryDuplicateChecker}
    * </pre>
    * @param messageDuplicateChecker
    */
@@ -109,7 +109,7 @@ public class WxCpMessageRouter {
 
   /**
    * <pre>
-   * 设置自定义的{@link me.chanjar.weixin.common.util.WxErrorExceptionHandler}
+   * 设置自定义的{@link me.chanjar.weixin.common.api.WxErrorExceptionHandler}
    * 如果不调用该方法，默认使用 {@link me.chanjar.weixin.common.util.LogExceptionHandler}
    * </pre>
    * @param exceptionHandler

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpMessageRouterRule.java

@@ -2,7 +2,7 @@ package me.chanjar.weixin.cp.api;
 
 import me.chanjar.weixin.common.exception.WxErrorException;
 import me.chanjar.weixin.common.session.WxSessionManager;
-import me.chanjar.weixin.common.util.WxErrorExceptionHandler;
+import me.chanjar.weixin.common.api.WxErrorExceptionHandler;
 import me.chanjar.weixin.cp.bean.WxCpXmlMessage;
 import me.chanjar.weixin.cp.bean.WxCpXmlOutMessage;
 

weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpServiceImpl.java

@@ -8,6 +8,7 @@ import com.google.gson.internal.Streams;
 import com.google.gson.reflect.TypeToken;
 import com.google.gson.stream.JsonReader;
 import me.chanjar.weixin.common.bean.WxAccessToken;
+import me.chanjar.weixin.common.bean.WxJsapiSignature;
 import me.chanjar.weixin.common.bean.WxMenu;
 import me.chanjar.weixin.common.bean.result.WxError;
 import me.chanjar.weixin.common.bean.result.WxMediaUploadResult;
@@ -15,6 +16,7 @@ import me.chanjar.weixin.common.exception.WxErrorException;
 import me.chanjar.weixin.common.session.StandardSessionManager;
 import me.chanjar.weixin.common.session.WxSession;
 import me.chanjar.weixin.common.session.WxSessionManager;
+import me.chanjar.weixin.common.util.RandomUtils;
 import me.chanjar.weixin.common.util.StringUtils;
 import me.chanjar.weixin.common.util.crypto.SHA1;
 import me.chanjar.weixin.common.util.fs.FileUtils;
@@ -44,6 +46,7 @@ import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
 import java.io.StringReader;
+import java.security.NoSuchAlgorithmException;
 import java.util.List;
 import java.util.UUID;
 
@@ -54,7 +57,12 @@ public class WxCpServiceImpl implements WxCpService {
   /**
    * 全局的是否正在刷新access token的锁
    */
-  protected static final Object GLOBAL_ACCESS_TOKEN_REFRESH_LOCK = new Object();
+  protected final Object globalAccessTokenRefreshLock = new Object();
+
+  /**
+   * 全局的是否正在刷新jsapi_ticket的锁
+   */
+  protected final Object globalJsapiTicketRefreshLock = new Object();
 
   protected WxCpConfigStorage wxCpConfigStorage;
 
@@ -90,7 +98,7 @@ public class WxCpServiceImpl implements WxCpService {
       wxCpConfigStorage.expireAccessToken();
     }
     if (wxCpConfigStorage.isAccessTokenExpired()) {
-      synchronized (GLOBAL_ACCESS_TOKEN_REFRESH_LOCK) {
+      synchronized (globalAccessTokenRefreshLock) {
         if (wxCpConfigStorage.isAccessTokenExpired()) {
           String url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?"
               + "&corpid=" + wxCpConfigStorage.getCorpId()
@@ -121,6 +129,52 @@ public class WxCpServiceImpl implements WxCpService {
     return wxCpConfigStorage.getAccessToken();
   }
 
+  public String getJsapiTicket() throws WxErrorException {
+    return getJsapiTicket(false);
+  }
+
+  public String getJsapiTicket(boolean forceRefresh) throws WxErrorException {
+    if (forceRefresh) {
+      wxCpConfigStorage.expireJsapiTicket();
+    }
+    if (wxCpConfigStorage.isJsapiTicketExpired()) {
+      synchronized (globalJsapiTicketRefreshLock) {
+        if (wxCpConfigStorage.isJsapiTicketExpired()) {
+          String url = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi";
+          String responseContent = execute(new SimpleGetRequestExecutor(), url, null);
+          JsonElement tmpJsonElement = Streams.parse(new JsonReader(new StringReader(responseContent)));
+          JsonObject tmpJsonObject = tmpJsonElement.getAsJsonObject();
+          String jsapiTicket = tmpJsonObject.get("ticket").getAsString();
+          int expiresInSeconds = tmpJsonObject.get("expires_in").getAsInt();
+          wxCpConfigStorage.updateJsapiTicket(jsapiTicket, expiresInSeconds);
+        }
+      }
+    }
+    return wxCpConfigStorage.getJsapiTicket();
+  }
+
+  public WxJsapiSignature createJsapiSignature(String url) throws WxErrorException {
+    long timestamp = System.currentTimeMillis() / 1000;
+    String noncestr = RandomUtils.getRandomStr();
+    String jsapiTicket = getJsapiTicket(false);
+    try {
+      String signature = SHA1.genWithAmple(
+          "jsapi_ticket=" + jsapiTicket,
+          "noncestr=" + noncestr,
+          "timestamp=" + timestamp,
+          "url=" + url
+      );
+      WxJsapiSignature jsapiSignature = new WxJsapiSignature();
+      jsapiSignature.setTimestamp(timestamp);
+      jsapiSignature.setNoncestr(noncestr);
+      jsapiSignature.setUrl(url);
+      jsapiSignature.setSignature(signature);
+      return jsapiSignature;
+    } catch (NoSuchAlgorithmException e) {
+      throw new RuntimeException(e);
+    }
+  }
+
   public void messageSend(WxCpMessage message) throws WxErrorException {
     String url = "https://qyapi.weixin.qq.com/cgi-bin/message/send";
     post(url, message.toJson());
@@ -477,7 +531,7 @@ public class WxCpServiceImpl implements WxCpService {
        * 42001 access_token超时
        */
       if (error.getErrorCode() == 42001 || error.getErrorCode() == 40001) {
-        // 强制设置wxMpConfigStorage它的access token过期了，这样在下一次请求里就会刷新access token
+        // 强制设置wxCpConfigStorage它的access token过期了，这样在下一次请求里就会刷新access token
         wxCpConfigStorage.expireAccessToken();
         return execute(executor, uri, data);
       }