diff --git a/weixin-java-cp/INTELLIGENT_ROBOT.md b/weixin-java-cp/INTELLIGENT_ROBOT.md index 18dd0c677f..0fbe205f1a 100644 --- a/weixin-java-cp/INTELLIGENT_ROBOT.md +++ b/weixin-java-cp/INTELLIGENT_ROBOT.md @@ -1,6 +1,9 @@ # 企业微信智能机器人接口 -本模块提供企业微信智能机器人相关的API接口实现。 +本模块提供企业微信智能机器人相关的 API 接口实现。 + +> `createRobot`、`chat`、`sendMessage` 等既有方法走企业应用 `access_token` 接口, +> 需要在 `WxCpConfigStorage` 中配置应用 `agentId` 和 `secret`。它们不适用于机器人后台创建的新版 API 模式。 ## 官方文档 @@ -73,7 +76,7 @@ String sessionId = "session123"; robotService.resetSession(robotId, userid, sessionId); ``` -### 主动发送消息 +### 旧版 access_token 主动发送消息 智能机器人可以主动向用户发送消息,用于推送通知或提醒。 @@ -89,34 +92,29 @@ String msgId = response.getMsgId(); String sessionId = response.getSessionId(); ``` -### 接收用户消息 +### 新版 API 模式:接收回调与回复消息 -当用户向智能机器人发送消息时,企业微信会通过回调接口推送消息。可以使用 `WxCpXmlMessage` 接收和解析这些消息: +在机器人后台开启 API 模式后,配置 URL、Token、EncodingAESKey。企业微信会推送加密 JSON 回调; +它不是 XML,也不需要企业应用 `secret`。从请求参数取得 `msg_signature`、`timestamp`、`nonce`, +从请求体取得 `encrypt` 字段后,可以直接解密和解析: ```java -// 在接收回调消息的接口中 -WxCpXmlMessage message = WxCpXmlMessage.fromEncryptedXml( - requestBody, wxCpConfigStorage, timestamp, nonce, msgSignature -); - -// 获取智能机器人相关字段 -String robotId = message.getRobotId(); // 机器人ID -String sessionId = message.getSessionId(); // 会话ID -String content = message.getContent(); // 消息内容 -String fromUser = message.getFromUserName(); // 发送用户 - -// 处理消息并回复 -// ... +WxCpIntelligentRobotMessage callbackMessage = + robotService.parseEncryptedCallbackMessage( + msgSignature, timestamp, nonce, encryptedJson, + token, encodingAesKey, aiBotId); + +String responseUrl = callbackMessage.getResponseUrl(); +String content = callbackMessage.getText().getContent(); ``` -对于智能机器人 API 模式的 JSON 回调消息,可使用 `WxCpIntelligentRobotMessage` 解析: +回复时使用回调中的短期 `response_url`,不调用基于 `access_token` 的 `sendMessage`: ```java -WxCpIntelligentRobotMessage callbackMessage = - robotService.parseCallbackMessage(jsonBody); -String botId = callbackMessage.getAiBotId(); -String userId = callbackMessage.getFrom().getUserid(); -String msgType = callbackMessage.getMsgType(); +String replyJson = "{\"msgtype\":\"text\",\"text\":{\"content\":\"您好\"}}"; +robotService.replyMessage( + responseUrl, replyJson, token, encodingAesKey, aiBotId, + String.valueOf(System.currentTimeMillis() / 1000), java.util.UUID.randomUUID().toString()); ``` ### 删除智能机器人 @@ -144,7 +142,8 @@ robotService.deleteRobot(robotId); ### 消息接收 -- `WxCpXmlMessage`: 支持接收智能机器人回调消息,包含 `robotId` 和 `sessionId` 字段 +- `WxCpIntelligentRobotMessage`: 智能机器人 API 模式的已解密 JSON 回调消息 +- `WxCpIntelligentRobotCryptUtil`: 智能机器人 API 模式的消息加解密工具 ### 服务接口 @@ -153,7 +152,6 @@ robotService.deleteRobot(robotId); ## 注意事项 -1. 需要确保企业微信应用具有智能机器人相关权限 -2. 智能机器人功能可能需要特定的企业微信版本支持 -3. 会话ID可以用于保持对话的连续性,提升用户体验 -4. 机器人状态: 0表示停用,1表示启用 +1. 新版 API 模式的 Token、EncodingAESKey 和机器人 ID 由机器人后台配置,不要填写企业应用 secret。 +2. `response_url` 是回调附带的临时地址,应及时使用,且不应持久化。 +3. `parseCallbackMessage` 仅用于已解密的 JSON;HTTP 回调入口应使用 `parseEncryptedCallbackMessage`。 diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpIntelligentRobotService.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpIntelligentRobotService.java index 58f4373ceb..1d71bac99a 100644 --- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpIntelligentRobotService.java +++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/WxCpIntelligentRobotService.java @@ -82,4 +82,40 @@ public interface WxCpIntelligentRobotService { */ WxCpIntelligentRobotMessage parseCallbackMessage(String callbackMessageJson); + /** + * 解密并解析智能机器人 API 模式回调消息. + * + * @param msgSignature 回调 URL 参数中的签名 + * @param timestamp 回调 URL 参数中的时间戳 + * @param nonce 回调 URL 参数中的随机串 + * @param encryptedJson 回调 JSON 信封中的 encrypt 字段 + * @param token 机器人后台配置的 Token + * @param encodingAesKey 机器人后台配置的 EncodingAESKey + * @param aiBotId 机器人 ID + * @return 解密并解析后的回调消息 + */ + default WxCpIntelligentRobotMessage parseEncryptedCallbackMessage(String msgSignature, String timestamp, String nonce, + String encryptedJson, String token, String encodingAesKey, + String aiBotId) { + throw new UnsupportedOperationException("当前智能机器人服务不支持 API 模式回调解析"); + } + + /** + * 加密并向智能机器人 API 模式的临时 response_url 回复消息. + * + * @param responseUrl 回调消息中的 response_url + * @param plainJson 回复的明文 JSON + * @param token 机器人后台配置的 Token + * @param encodingAesKey 机器人后台配置的 EncodingAESKey + * @param aiBotId 机器人 ID + * @param timestamp 回复时间戳 + * @param nonce 回复随机串 + * @return 企业微信响应内容 + * @throws WxErrorException 微信接口异常 + */ + default String replyMessage(String responseUrl, String plainJson, String token, String encodingAesKey, String aiBotId, + String timestamp, String nonce) throws WxErrorException { + throw new UnsupportedOperationException("当前智能机器人服务不支持 API 模式消息回复"); + } + } diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/BaseWxCpServiceImpl.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/BaseWxCpServiceImpl.java index e351e58444..eb8abd773f 100644 --- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/BaseWxCpServiceImpl.java +++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/BaseWxCpServiceImpl.java @@ -430,23 +430,29 @@ protected T executeInternal(RequestExecutor executor, String uri, E * 普通请求,不自动带accessToken */ private T executeNormal(RequestExecutor executor, String uri, E data) throws WxErrorException { + String uriForLog = redactQueryString(uri); try { T result = executor.execute(uri, data, WxType.CP); - log.debug("\n【请求地址】: {}\n【请求参数】:{}\n【响应数据】:{}", uri, data, result); + log.debug("\n【请求地址】: {}\n【请求参数】:{}\n【响应数据】:{}", uriForLog, data, result); return result; } catch (WxErrorException e) { WxError error = e.getError(); if (error.getErrorCode() != 0) { - log.error("\n【请求地址】: {}\n【请求参数】:{}\n【错误信息】:{}", uri, data, error); + log.error("\n【请求地址】: {}\n【请求参数】:{}\n【错误信息】:{}", uriForLog, data, error); throw new WxErrorException(error, e); } return null; } catch (IOException e) { - log.error("\n【请求地址】: {}\n【请求参数】:{}\n【异常信息】:{}", uri, data, e.getMessage()); + log.error("\n【请求地址】: {}\n【请求参数】:{}\n【异常信息】:{}", uriForLog, data, e.getMessage()); throw new WxErrorException(e); } } + static String redactQueryString(String uri) { + int queryStart = uri.indexOf('?'); + return queryStart < 0 ? uri : uri.substring(0, queryStart) + "?******"; + } + @Override public void setWxCpConfigStorage(WxCpConfigStorage wxConfigProvider) { this.configStorage = wxConfigProvider; diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpIntelligentRobotServiceImpl.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpIntelligentRobotServiceImpl.java index aba1ee85c4..a5ccdca5e1 100644 --- a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpIntelligentRobotServiceImpl.java +++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/api/impl/WxCpIntelligentRobotServiceImpl.java @@ -6,6 +6,7 @@ import me.chanjar.weixin.cp.api.WxCpIntelligentRobotService; import me.chanjar.weixin.cp.api.WxCpService; import me.chanjar.weixin.cp.bean.intelligentrobot.*; +import me.chanjar.weixin.cp.util.crypto.WxCpIntelligentRobotCryptUtil; import me.chanjar.weixin.cp.util.json.WxCpGsonBuilder; import static me.chanjar.weixin.cp.constant.WxCpApiPathConsts.IntelligentRobot.*; @@ -72,4 +73,19 @@ public WxCpIntelligentRobotMessage parseCallbackMessage(String callbackMessageJs return WxCpIntelligentRobotMessage.fromJson(callbackMessageJson); } + @Override + public WxCpIntelligentRobotMessage parseEncryptedCallbackMessage(String msgSignature, String timestamp, String nonce, + String encryptedJson, String token, + String encodingAesKey, String aiBotId) { + WxCpIntelligentRobotCryptUtil cryptUtil = new WxCpIntelligentRobotCryptUtil(token, encodingAesKey, aiBotId); + return parseCallbackMessage(cryptUtil.decrypt(msgSignature, timestamp, nonce, encryptedJson)); + } + + @Override + public String replyMessage(String responseUrl, String plainJson, String token, String encodingAesKey, + String aiBotId, String timestamp, String nonce) throws WxErrorException { + WxCpIntelligentRobotCryptUtil cryptUtil = new WxCpIntelligentRobotCryptUtil(token, encodingAesKey, aiBotId); + return this.cpService.postWithoutToken(responseUrl, cryptUtil.encrypt(plainJson, timestamp, nonce)); + } + } diff --git a/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/util/crypto/WxCpIntelligentRobotCryptUtil.java b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/util/crypto/WxCpIntelligentRobotCryptUtil.java new file mode 100644 index 0000000000..512c3073c6 --- /dev/null +++ b/weixin-java-cp/src/main/java/me/chanjar/weixin/cp/util/crypto/WxCpIntelligentRobotCryptUtil.java @@ -0,0 +1,88 @@ +package me.chanjar.weixin.cp.util.crypto; + +import com.google.gson.JsonObject; +import me.chanjar.weixin.common.util.crypto.SHA1; +import me.chanjar.weixin.common.util.crypto.WxCryptUtil; +import me.chanjar.weixin.cp.util.json.WxCpGsonBuilder; +import me.chanjar.weixin.common.error.WxRuntimeException; +import org.apache.commons.codec.binary.Base64; + +import javax.crypto.Cipher; +import javax.crypto.spec.IvParameterSpec; +import javax.crypto.spec.SecretKeySpec; +import java.nio.charset.StandardCharsets; +import java.util.Arrays; +import java.util.UUID; + +/** + * 企业微信智能机器人 API 模式消息加解密工具. + * + *

机器人 API 模式使用机器人后台配置的 Token、EncodingAESKey 和机器人 ID, + * 与企业应用 access_token 无关。

+ */ +public class WxCpIntelligentRobotCryptUtil extends WxCryptUtil { + + public WxCpIntelligentRobotCryptUtil(String token, String encodingAesKey, String aiBotId) { + super(token, encodingAesKey, aiBotId); + } + + /** + * 解密机器人 API 模式的 JSON 回调消息. + */ + public String decrypt(String msgSignature, String timestamp, String nonce, String encryptedContent) { + String signature = SHA1.gen(this.token, timestamp, nonce, encryptedContent); + if (!signature.equals(msgSignature)) { + throw new WxRuntimeException("加密消息签名校验失败"); + } + + try { + Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding"); + cipher.init(Cipher.DECRYPT_MODE, new SecretKeySpec(this.aesKey, "AES"), + new IvParameterSpec(Arrays.copyOfRange(this.aesKey, 0, 16))); + byte[] bytes = me.chanjar.weixin.common.util.crypto.PKCS7Encoder.decode( + cipher.doFinal(Base64.decodeBase64(encryptedContent))); + if (bytes.length < 20) { + throw new WxRuntimeException("解密后数据长度异常,可能为错误的密文或EncodingAESKey"); + } + + int plainTextLength = 0; + for (int index = 16; index < 20; index++) { + plainTextLength = (plainTextLength << 8) | (bytes[index] & 0xff); + } + int plainTextEnd = 20 + plainTextLength; + if (plainTextLength < 0 || plainTextEnd > bytes.length) { + throw new WxRuntimeException("解密后数据格式非法:消息长度不正确,可能为错误的密文或EncodingAESKey"); + } + + String receiverId = new String(Arrays.copyOfRange(bytes, plainTextEnd, bytes.length), StandardCharsets.UTF_8); + if (!this.appidOrCorpid.equals(receiverId)) { + throw new WxRuntimeException("智能机器人ID不正确,请核实!"); + } + return new String(Arrays.copyOfRange(bytes, 20, plainTextEnd), StandardCharsets.UTF_8); + } catch (WxRuntimeException e) { + throw e; + } catch (Exception e) { + throw new WxRuntimeException(e); + } + } + + /** + * 加密机器人 API 模式的 JSON 回复消息. + */ + public String encrypt(String plainJson, String timestamp, String nonce) { + String encryptedContent = encrypt(UUID.randomUUID().toString().replace("-", "").substring(0, 16), plainJson); + JsonObject result = new JsonObject(); + result.addProperty("encrypt", encryptedContent); + result.addProperty("msg_signature", SHA1.gen(this.token, timestamp, nonce, encryptedContent)); + result.addProperty("timestamp", timestamp); + result.addProperty("nonce", nonce); + return WxCpGsonBuilder.create().toJson(result); + } + + /** + * 解密 URL 校验请求中的 echostr. + */ + public String verifyUrl(String msgSignature, String timestamp, String nonce, String echoStr) { + return decrypt(msgSignature, timestamp, nonce, echoStr); + } +} diff --git a/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/BaseWxCpServiceImplLogTest.java b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/BaseWxCpServiceImplLogTest.java new file mode 100644 index 0000000000..2164cbeacd --- /dev/null +++ b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/BaseWxCpServiceImplLogTest.java @@ -0,0 +1,19 @@ +package me.chanjar.weixin.cp.api.impl; + +import org.testng.annotations.Test; + +import static org.testng.Assert.assertEquals; + +public class BaseWxCpServiceImplLogTest { + + @Test + public void redactQueryStringShouldHideTemporaryResponseUrlCredentials() { + assertEquals(BaseWxCpServiceImpl.redactQueryString("https://example.com/reply?token=temporary-secret&nonce=123"), + "https://example.com/reply?******"); + } + + @Test + public void redactQueryStringShouldKeepUrlWithoutQueryString() { + assertEquals(BaseWxCpServiceImpl.redactQueryString("https://example.com/reply"), "https://example.com/reply"); + } +} diff --git a/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/WxCpIntelligentRobotApiModeServiceTest.java b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/WxCpIntelligentRobotApiModeServiceTest.java new file mode 100644 index 0000000000..67ade67f1c --- /dev/null +++ b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/api/impl/WxCpIntelligentRobotApiModeServiceTest.java @@ -0,0 +1,57 @@ +package me.chanjar.weixin.cp.api.impl; + +import com.google.gson.JsonObject; +import me.chanjar.weixin.common.util.json.GsonParser; +import me.chanjar.weixin.cp.api.WxCpService; +import me.chanjar.weixin.cp.bean.intelligentrobot.WxCpIntelligentRobotMessage; +import me.chanjar.weixin.cp.util.crypto.WxCpIntelligentRobotCryptUtil; +import org.mockito.ArgumentCaptor; +import org.testng.annotations.Test; + +import static org.mockito.ArgumentMatchers.anyString; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.verify; +import static org.mockito.Mockito.when; +import static org.testng.Assert.assertEquals; + +public class WxCpIntelligentRobotApiModeServiceTest { + private static final String TOKEN = "test-token"; + private static final String AES_KEY = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFA"; + private static final String AI_BOT_ID = "bot_1"; + private static final String TIMESTAMP = "1710000000"; + private static final String NONCE = "test-nonce"; + + @Test + public void shouldParseEncryptedCallbackMessage() { + String callbackJson = "{\"msgid\":\"msg_1\",\"aibotid\":\"bot_1\",\"msgtype\":\"text\"," + + "\"from\":{\"userid\":\"user_1\"},\"text\":{\"content\":\"hello\"}}"; + WxCpIntelligentRobotCryptUtil cryptUtil = new WxCpIntelligentRobotCryptUtil(TOKEN, AES_KEY, AI_BOT_ID); + JsonObject encrypted = GsonParser.parse(cryptUtil.encrypt(callbackJson, TIMESTAMP, NONCE)); + WxCpIntelligentRobotServiceImpl service = new WxCpIntelligentRobotServiceImpl(mock(WxCpService.class)); + + WxCpIntelligentRobotMessage message = service.parseEncryptedCallbackMessage( + encrypted.get("msg_signature").getAsString(), TIMESTAMP, NONCE, encrypted.get("encrypt").getAsString(), + TOKEN, AES_KEY, AI_BOT_ID); + + assertEquals(message.getMsgId(), "msg_1"); + assertEquals(message.getText().getContent(), "hello"); + } + + @Test + public void shouldReplyThroughResponseUrlWithoutAccessToken() throws Exception { + WxCpService cpService = mock(WxCpService.class); + when(cpService.postWithoutToken(anyString(), anyString())).thenReturn("ok"); + WxCpIntelligentRobotServiceImpl service = new WxCpIntelligentRobotServiceImpl(cpService); + String responseUrl = "https://example.com/response"; + String plainJson = "{\"msgtype\":\"text\"}"; + + assertEquals(service.replyMessage(responseUrl, plainJson, TOKEN, AES_KEY, AI_BOT_ID, TIMESTAMP, NONCE), "ok"); + + ArgumentCaptor bodyCaptor = ArgumentCaptor.forClass(String.class); + verify(cpService).postWithoutToken(org.mockito.ArgumentMatchers.eq(responseUrl), bodyCaptor.capture()); + JsonObject encrypted = GsonParser.parse(bodyCaptor.getValue()); + WxCpIntelligentRobotCryptUtil cryptUtil = new WxCpIntelligentRobotCryptUtil(TOKEN, AES_KEY, AI_BOT_ID); + assertEquals(cryptUtil.decrypt(encrypted.get("msg_signature").getAsString(), TIMESTAMP, NONCE, + encrypted.get("encrypt").getAsString()), plainJson); + } +} diff --git a/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/util/crypto/WxCpIntelligentRobotCryptUtilTest.java b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/util/crypto/WxCpIntelligentRobotCryptUtilTest.java new file mode 100644 index 0000000000..f1e6123fab --- /dev/null +++ b/weixin-java-cp/src/test/java/me/chanjar/weixin/cp/util/crypto/WxCpIntelligentRobotCryptUtilTest.java @@ -0,0 +1,40 @@ +package me.chanjar.weixin.cp.util.crypto; + +import com.google.gson.JsonObject; +import me.chanjar.weixin.common.util.json.GsonParser; +import me.chanjar.weixin.common.error.WxRuntimeException; +import org.testng.annotations.Test; + +import static org.testng.Assert.assertEquals; + +public class WxCpIntelligentRobotCryptUtilTest { + private static final String TOKEN = "test-token"; + private static final String AES_KEY = "abcdefghijklmnopqrstuvwxyz0123456789ABCDEFA"; + private static final String AI_BOT_ID = "aibot-123"; + private static final String TIMESTAMP = "1710000000"; + private static final String NONCE = "test-nonce"; + + @Test + public void encryptShouldProduceDecryptableJsonEnvelope() { + WxCpIntelligentRobotCryptUtil cryptUtil = new WxCpIntelligentRobotCryptUtil(TOKEN, AES_KEY, AI_BOT_ID); + String plainJson = "{\"msgtype\":\"text\",\"text\":{\"content\":\"hello\"}}"; + + JsonObject encrypted = GsonParser.parse(cryptUtil.encrypt(plainJson, TIMESTAMP, NONCE)); + + assertEquals(encrypted.get("timestamp").getAsString(), TIMESTAMP); + assertEquals(encrypted.get("nonce").getAsString(), NONCE); + assertEquals(cryptUtil.decrypt(encrypted.get("msg_signature").getAsString(), TIMESTAMP, NONCE, + encrypted.get("encrypt").getAsString()), plainJson); + } + + @Test(expectedExceptions = WxRuntimeException.class) + public void decryptShouldRejectMessageForAnotherRobot() { + String plainJson = "{\"msgtype\":\"text\"}"; + WxCpIntelligentRobotCryptUtil source = new WxCpIntelligentRobotCryptUtil(TOKEN, AES_KEY, AI_BOT_ID); + JsonObject encrypted = GsonParser.parse(source.encrypt(plainJson, TIMESTAMP, NONCE)); + WxCpIntelligentRobotCryptUtil otherRobot = new WxCpIntelligentRobotCryptUtil(TOKEN, AES_KEY, "aibot-456"); + + otherRobot.decrypt(encrypted.get("msg_signature").getAsString(), TIMESTAMP, NONCE, + encrypted.get("encrypt").getAsString()); + } +} diff --git a/weixin-java-cp/src/test/resources/testng.xml b/weixin-java-cp/src/test/resources/testng.xml index cb3b8362e8..a8f5713235 100644 --- a/weixin-java-cp/src/test/resources/testng.xml +++ b/weixin-java-cp/src/test/resources/testng.xml @@ -12,6 +12,8 @@ + + @@ -25,6 +27,7 @@ +