首次完整推送，

V：1.20240808.006

uni_modules/uni-id-pages/uniCloud/cloudfunctions/uni-id-co/module/login/login-by-weixin.js

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+const {
+  initWeixin
+} = require('../../lib/third-party/index')
+const {
+  ERROR
+} = require('../../common/error')
+const {
+  preUnifiedLogin,
+  postUnifiedLogin
+} = require('../../lib/utils/unified-login')
+const {
+  generateWeixinCache,
+  getWeixinPlatform,
+  saveWeixinUserKey,
+  saveSecureNetworkCache
+} = require('../../lib/utils/weixin')
+const {
+  LOG_TYPE
+} = require('../../common/constants')
+const url = require('url')
+
+/**
+ * 微信登录
+ * @tutorial https://uniapp.dcloud.net.cn/uniCloud/uni-id-pages.html#login-by-weixin
+ * @param {Object} params
+ * @param {String} params.code          微信登录返回的code
+ * @param {String} params.inviteCode    邀请码
+ * @returns
+ */
+module.exports = async function (params = {}) {
+  const schema = {
+    code: 'string',
+    inviteCode: {
+      type: 'string',
+      required: false
+    }
+  }
+  this.middleware.validate(params, schema)
+  const {
+    code,
+    inviteCode,
+    // 内部参数，暂不暴露
+    secureNetworkCache = false
+  } = params
+  const {
+    appId
+  } = this.getUniversalClientInfo()
+  const weixinApi = initWeixin.call(this)
+  const weixinPlatform = getWeixinPlatform.call(this)
+  let apiName
+  switch (weixinPlatform) {
+    case 'mp':
+      apiName = 'code2Session'
+      break
+    case 'app':
+    case 'h5':
+    case 'web':
+      apiName = 'getOauthAccessToken'
+      break
+    default:
+      throw new Error('Unsupported weixin platform')
+  }
+  let getWeixinAccountResult
+  try {
+    getWeixinAccountResult = await weixinApi[apiName](code)
+  } catch (error) {
+    console.error(error)
+    await this.middleware.uniIdLog({
+      success: false,
+      type: LOG_TYPE.LOGIN
+    })
+    throw {
+      errCode: ERROR.GET_THIRD_PARTY_ACCOUNT_FAILED
+    }
+  }
+
+  const {
+    openid,
+    unionid,
+    // 保存下面四个字段
+    sessionKey, // 微信小程序用户sessionKey
+    accessToken, // App端微信用户accessToken
+    refreshToken, // App端微信用户refreshToken
+    expired: accessTokenExpired // App端微信用户accessToken过期时间
+  } = getWeixinAccountResult
+
+  if (secureNetworkCache) {
+    if (weixinPlatform !== 'mp') {
+      throw new Error('Unsupported weixin platform, expect mp-weixin')
+    }
+    await saveSecureNetworkCache.call(this, {
+      code,
+      openid,
+      unionid,
+      sessionKey
+    })
+  }
+
+  const {
+    type,
+    user
+  } = await preUnifiedLogin.call(this, {
+    user: {
+      wx_openid: {
+        [weixinPlatform]: openid
+      },
+      wx_unionid: unionid
+    }
+  })
+  const extraData = {
+    wx_openid: {
+      [`${weixinPlatform}_${appId}`]: openid
+    },
+    wx_unionid: unionid
+  }
+  if (type === 'register' && weixinPlatform !== 'mp') {
+    const {
+      nickname,
+      avatar
+    } = await weixinApi.getUserInfo({
+      accessToken,
+      openid
+    })
+
+    if (avatar) {
+      // eslint-disable-next-line n/no-deprecated-api
+      const avatarPath = url.parse(avatar).pathname
+      const extName = avatarPath.indexOf('.') > -1 ? url.parse(avatar).pathname.split('.').pop() : 'jpg'
+      const cloudPath = `user/avatar/${openid.slice(-8) + Date.now()}-avatar.${extName}`
+      const getAvatarRes = await uniCloud.httpclient.request(avatar)
+      if (getAvatarRes.status >= 400) {
+        throw {
+          errCode: ERROR.GET_THIRD_PARTY_USER_INFO_FAILED
+        }
+      }
+
+      const {
+        fileID
+      } = await uniCloud.uploadFile({
+        cloudPath,
+        fileContent: getAvatarRes.data
+      })
+
+      extraData.avatar_file = {
+        name: cloudPath,
+        extname: extName,
+        url: fileID
+      }
+    }
+
+    extraData.nickname = nickname
+  }
+  await saveWeixinUserKey.call(this, {
+    openid,
+    sessionKey,
+    accessToken,
+    refreshToken,
+    accessTokenExpired
+  })
+  return postUnifiedLogin.call(this, {
+    user,
+    extraData: {
+      ...extraData,
+      ...generateWeixinCache.call(this, {
+        openid,
+        sessionKey, // 微信小程序用户sessionKey
+        accessToken, // App端微信用户accessToken
+        refreshToken, // App端微信用户refreshToken
+        accessTokenExpired // App端微信用户accessToken过期时间
+      })
+    },
+    isThirdParty: true,
+    type,
+    inviteCode
+  })
+}