#672 小程序增加jssdk相关接口实现

weixin-java-common/src/main/java/me/chanjar/weixin/common/bean/WxJsapiSignature.java

@@ -1,13 +1,21 @@
 package me.chanjar.weixin.common.bean;
 
+import lombok.AllArgsConstructor;
+import lombok.Builder;
 import lombok.Data;
+import lombok.NoArgsConstructor;
 
 import java.io.Serializable;
 
 /**
  * jspai signature.
+ *
+ * @author chanjarster
  */
 @Data
+@Builder
+@NoArgsConstructor
+@AllArgsConstructor
 public class WxJsapiSignature implements Serializable {
   private static final long serialVersionUID = -1116808193154384804L;
 

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaJsapiService.java

@@ -0,0 +1,48 @@
+package cn.binarywang.wx.miniapp.api;
+
+import me.chanjar.weixin.common.bean.WxJsapiSignature;
+import me.chanjar.weixin.common.error.WxErrorException;
+
+/**
+ * <pre>
+ *  jsapi相关接口
+ *  Created by BinaryWang on 2018/8/5.
+ * </pre>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ */
+public interface WxMaJsapiService {
+  /**
+   * 获得jsapi_ticket的url
+   */
+  String GET_JSAPI_TICKET_URL = "https://api.weixin.qq.com/cgi-bin/ticket/getticket?type=jsapi";
+
+  /**
+   * 获得jsapi_ticket,不强制刷新jsapi_ticket
+   *
+   * @see #getJsapiTicket(boolean)
+   */
+  String getJsapiTicket() throws WxErrorException;
+
+  /**
+   * <pre>
+   * 获得jsapi_ticket
+   * 获得时会检查jsapiToken是否过期，如果过期了，那么就刷新一下，否则就什么都不干
+   *
+   * 详情请见：http://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421141115&token=&lang=zh_CN
+   * </pre>
+   *
+   * @param forceRefresh 强制刷新
+   */
+  String getJsapiTicket(boolean forceRefresh) throws WxErrorException;
+
+  /**
+   * <pre>
+   * 创建调用jsapi时所需要的签名
+   *
+   * 详情请见：http://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421141115&token=&lang=zh_CN
+   * </pre>
+   */
+  WxJsapiSignature createJsapiSignature(String url) throws WxErrorException;
+
+}

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaService.java

@@ -2,6 +2,7 @@ package cn.binarywang.wx.miniapp.api;
 
 import cn.binarywang.wx.miniapp.bean.WxMaJscode2SessionResult;
 import cn.binarywang.wx.miniapp.config.WxMaConfig;
+import me.chanjar.weixin.common.bean.WxJsapiSignature;
 import me.chanjar.weixin.common.error.WxErrorException;
 import me.chanjar.weixin.common.util.http.MediaUploadRequestExecutor;
 import me.chanjar.weixin.common.util.http.RequestExecutor;
@@ -17,6 +18,7 @@ public interface WxMaService {
   String GET_ACCESS_TOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=%s&secret=%s";
 
   String JSCODE_TO_SESSION_URL = "https://api.weixin.qq.com/sns/jscode2session";
+
   /**
    * 获取登录后的session信息
    *
@@ -149,6 +151,13 @@ public interface WxMaService {
    */
   WxMaCodeService getCodeService();
 
+  /**
+   * 返回jsapi操作相关的 API服务类对象
+   *
+   * @return WxMaJsapiService
+   */
+  WxMaJsapiService getJsapiService();
+
   /**
    * 小程序修改服务器地址、成员管理 API
    *

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaJsapiServiceImpl.java

@@ -0,0 +1,75 @@
+package cn.binarywang.wx.miniapp.api.impl;
+
+import cn.binarywang.wx.miniapp.api.WxMaJsapiService;
+import cn.binarywang.wx.miniapp.api.WxMaService;
+import com.google.gson.JsonElement;
+import com.google.gson.JsonObject;
+import com.google.gson.JsonParser;
+import me.chanjar.weixin.common.bean.WxJsapiSignature;
+import me.chanjar.weixin.common.error.WxErrorException;
+import me.chanjar.weixin.common.util.RandomUtils;
+import me.chanjar.weixin.common.util.crypto.SHA1;
+
+import java.util.concurrent.locks.Lock;
+
+/**
+ * <pre>
+ *  Created by BinaryWang on 2018/8/5.
+ * </pre>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ */
+public class WxMaJsapiServiceImpl implements WxMaJsapiService {
+  private static final JsonParser JSON_PARSER = new JsonParser();
+
+  private WxMaService wxMaService;
+
+  public WxMaJsapiServiceImpl(WxMaService wxMaService) {
+    this.wxMaService = wxMaService;
+  }
+
+  @Override
+  public String getJsapiTicket() throws WxErrorException {
+    return getJsapiTicket(false);
+  }
+
+  @Override
+  public String getJsapiTicket(boolean forceRefresh) throws WxErrorException {
+    Lock lock = this.wxMaService.getWxMaConfig().getJsapiTicketLock();
+    try {
+      lock.lock();
+      if (forceRefresh) {
+        this.wxMaService.getWxMaConfig().expireJsapiTicket();
+      }
+
+      if (this.wxMaService.getWxMaConfig().isJsapiTicketExpired()) {
+        String responseContent = this.wxMaService.get(GET_JSAPI_TICKET_URL, null);
+        JsonElement tmpJsonElement = JSON_PARSER.parse(responseContent);
+        JsonObject tmpJsonObject = tmpJsonElement.getAsJsonObject();
+        String jsapiTicket = tmpJsonObject.get("ticket").getAsString();
+        int expiresInSeconds = tmpJsonObject.get("expires_in").getAsInt();
+        this.wxMaService.getWxMaConfig().updateJsapiTicket(jsapiTicket, expiresInSeconds);
+      }
+    } finally {
+      lock.unlock();
+    }
+    return this.wxMaService.getWxMaConfig().getJsapiTicket();
+  }
+
+  @Override
+  public WxJsapiSignature createJsapiSignature(String url) throws WxErrorException {
+    long timestamp = System.currentTimeMillis() / 1000;
+    String randomStr = RandomUtils.getRandomStr();
+    String jsapiTicket = getJsapiTicket(false);
+    String signature = SHA1.genWithAmple("jsapi_ticket=" + jsapiTicket,
+      "noncestr=" + randomStr, "timestamp=" + timestamp, "url=" + url);
+    return WxJsapiSignature
+      .builder()
+      .appId(this.wxMaService.getWxMaConfig().getAppid())
+      .timestamp(timestamp)
+      .nonceStr(randomStr)
+      .url(url)
+      .signature(signature)
+      .build();
+  }
+}

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaServiceImpl.java

@@ -1,14 +1,6 @@
 package cn.binarywang.wx.miniapp.api.impl;
 
-import cn.binarywang.wx.miniapp.api.WxMaAnalysisService;
-import cn.binarywang.wx.miniapp.api.WxMaCodeService;
-import cn.binarywang.wx.miniapp.api.WxMaMediaService;
-import cn.binarywang.wx.miniapp.api.WxMaMsgService;
-import cn.binarywang.wx.miniapp.api.WxMaQrcodeService;
-import cn.binarywang.wx.miniapp.api.WxMaService;
-import cn.binarywang.wx.miniapp.api.WxMaSettingService;
-import cn.binarywang.wx.miniapp.api.WxMaTemplateService;
-import cn.binarywang.wx.miniapp.api.WxMaUserService;
+import cn.binarywang.wx.miniapp.api.*;
 import cn.binarywang.wx.miniapp.bean.WxMaJscode2SessionResult;
 import cn.binarywang.wx.miniapp.config.WxMaConfig;
 import com.google.common.base.Joiner;
@@ -58,6 +50,7 @@ public class WxMaServiceImpl implements WxMaService, RequestHttp<CloseableHttpCl
   private WxMaAnalysisService analysisService = new WxMaAnalysisServiceImpl(this);
   private WxMaCodeService codeService = new WxMaCodeServiceImpl(this);
   private WxMaSettingService settingService = new WxMaSettingServiceImpl(this);
+  private WxMaJsapiService jsapiService = new WxMaJsapiServiceImpl(this);
 
   private int retrySleepMillis = 1000;
   private int maxRetryTimes = 5;
@@ -310,6 +303,11 @@ public class WxMaServiceImpl implements WxMaService, RequestHttp<CloseableHttpCl
     return this.codeService;
   }
 
+  @Override
+  public WxMaJsapiService getJsapiService() {
+    return this.jsapiService;
+  }
+
   @Override
   public WxMaSettingService getSettingService() {
     return this.settingService;

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/config/WxMaConfig.java

@@ -38,6 +38,25 @@ public interface WxMaConfig {
    */
   void updateAccessToken(String accessToken, int expiresInSeconds);
 
+  String getJsapiTicket();
+
+  Lock getJsapiTicketLock();
+
+  boolean isJsapiTicketExpired();
+
+  /**
+   * 强制将jsapi ticket过期掉
+   */
+  void expireJsapiTicket();
+
+  /**
+   * 应该是线程安全的
+   *
+   * @param jsapiTicket      新的jsapi ticket值
+   * @param expiresInSeconds 过期时间，以秒为单位
+   */
+  void updateJsapiTicket(String jsapiTicket, int expiresInSeconds);
+
   String getAppid();
 
   String getSecret();

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/config/WxMaInMemoryConfig.java

@@ -27,7 +27,11 @@ public class WxMaInMemoryConfig implements WxMaConfig {
   protected volatile String httpProxyUsername;
   protected volatile String httpProxyPassword;
 
+  protected volatile String jsapiTicket;
+  protected volatile long jsapiTicketExpiresTime;
+
   protected Lock accessTokenLock = new ReentrantLock();
+  protected Lock jsapiTicketLock = new ReentrantLock();
 
   /**
    * 临时文件目录
@@ -70,6 +74,33 @@ public class WxMaInMemoryConfig implements WxMaConfig {
     this.expiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000L;
   }
 
+  @Override
+  public String getJsapiTicket() {
+    return this.jsapiTicket;
+  }
+
+  @Override
+  public Lock getJsapiTicketLock() {
+    return this.jsapiTicketLock;
+  }
+
+  @Override
+  public boolean isJsapiTicketExpired() {
+    return System.currentTimeMillis() > this.jsapiTicketExpiresTime;
+  }
+
+  @Override
+  public void expireJsapiTicket() {
+    this.jsapiTicketExpiresTime = 0;
+  }
+
+  @Override
+  public void updateJsapiTicket(String jsapiTicket, int expiresInSeconds) {
+    this.jsapiTicket = jsapiTicket;
+    // 预留200秒的时间
+    this.jsapiTicketExpiresTime = System.currentTimeMillis() + (expiresInSeconds - 200) * 1000L;
+  }
+
   @Override
   public void expireAccessToken() {
     this.expiresTime = 0;

weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/api/impl/WxMaJsapiServiceImplTest.java

@@ -0,0 +1,45 @@
+package cn.binarywang.wx.miniapp.api.impl;
+
+import cn.binarywang.wx.miniapp.api.WxMaService;
+import cn.binarywang.wx.miniapp.config.WxMaConfig;
+import cn.binarywang.wx.miniapp.test.ApiTestModule;
+import com.google.inject.Inject;
+import me.chanjar.weixin.common.bean.WxJsapiSignature;
+import me.chanjar.weixin.common.error.WxErrorException;
+import org.testng.annotations.Guice;
+import org.testng.annotations.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * <pre>
+ *  Created by BinaryWang on 2018/8/5.
+ * </pre>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ */
+@Test
+@Guice(modules = ApiTestModule.class)
+public class WxMaJsapiServiceImplTest {
+  @Inject
+  private WxMaService wxService;
+  @Inject
+  private WxMaConfig wxMaConfig;
+
+  @Test
+  public void testGetJsapiTicket() throws WxErrorException {
+    assertThat(this.wxService.getJsapiService().getJsapiTicket()).isNotBlank();
+  }
+
+  @Test
+  public void testGetJsapiTicket1() throws WxErrorException {
+    assertThat(this.wxService.getJsapiService().getJsapiTicket(true)).isNotBlank();
+  }
+
+  @Test
+  public void testCreateJsapiSignature() throws WxErrorException {
+    final WxJsapiSignature jsapiSignature = this.wxService.getJsapiService().createJsapiSignature("http://www.qq.com");
+    System.out.println(jsapiSignature);
+    assertThat(jsapiSignature).isNotNull();
+  }
+}

weixin-java-miniapp/src/test/java/cn/binarywang/wx/miniapp/test/TestConfig.java

@@ -54,6 +54,7 @@ public class TestConfig extends WxMaInMemoryConfig {
     this.templateId = templateId;
   }
 
+  @Override
   public void setAccessTokenLock(Lock lock) {
     super.accessTokenLock = lock;
   }