从Firebase云功能获取UID [英] GET UID from firebase cloud functions

问题描述

当我触发存储事件时是否可以获取 uid ?

Is there a way to get the uid when i trigger the storage events?

当图像上传到Firebase存储中时，我想创建一个缩略图，然后更新数据库中用户图像配置文件的url ...

I want create a thumb when the image is uploaded in to firebase storage and then update the url of the user image profile in database...

exports.uploadphoto = functions.storage.object().onChange(event => {
  // ...
});

推荐答案

两个选项

您可以将图像存储到包含uId的路径中然后使用 event.data.name 获取文件路径

You could store your image to a path that contains the uId then use event.data.name to get the file path

OR

在上传时将其添加到自定义元数据中，然后通过以下方式访问云功能:

Add it to the custom metadata when you upload, then access in cloud functions by:

const metadata = event.data.metadata
const uId = metadata.uId  

uId 可以是您上传时所称的名称.

uId can be whatever you call it when you upload.

上传自定义元数据文档

iOS: https://firebase.google.com/docs/storage/ios/file-metadata

Android: https://firebase.google.com/docs/storage/android/file-metadata

网络: https://firebase.google.com/docs/storage/web/file-metadata

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