Firebase商店：试图存储到本地文件给出错误 [英] Firebase store: trying to store to local file gives an error

问题描述

当我尝试从Firebase存储中存储文件后，我收到以下错误消息：

可选错误域= FIRStorageErrorDomain代码= -13000一个未知的错误发生，请检查服务器响应。UserInfo = {object = ProfilePicture / Jf2dFzI7LZNzQkOkdFfa3UWQJyH2.jpg，bucket = mapit-1333.appspot.com，NSLocalizedDescription =发生未知错误，请检查服务器响应。，ResponseErrorDomain = NSCocoaErrorDomain，NSFilePath = / local / images，NSUnderlyingError = 0x7fc8a080ab50 {Error Domain = NSPOSIXErrorDomain Code = 13Permission denied}，ResponseErrorCode = 513}）

这是我的代码：

$ p $ let storage = FIRStorage.storage（）
let storageRef = storage.referenceForURL（gs：//mapit-1333.appspot.com）


let islandRef = storageRef.child（ProfilePicture /+ uid + .jpg）
//创建本地文件系统URL
让localURL：NSURL！ = NSURL（string：file：///local/images/island.jpg）

//下载到本地文件系统
let downloadTask = islandRef.writeToFile（localURL）{ URL，错误） - >无效
if（error！= nil）{
print（error）
} else {
let data = NSData（contentsOfURL：URL！）
self.profileImage .image = UIImage（data：data！）



$ div class =h2_lin>解决方案

这里的问题是，你得到一个 NSPOSIXErrorDomain 错误，表明你没有权限写入 file：/// local / images / \（imageName），可能是因为该目录（ / local ）不存在即使是这样，你也没有写权限。





我会看看 docs code> / Documents 或 / tmp 。

When I try to store a file from the Firebase storage following the example from the documents I received the following error:

Optional(Error Domain=FIRStorageErrorDomain Code=-13000 "An unknown error occurred, please check the server response." UserInfo={object=ProfilePicture/Jf2dFzI7LZNzQkOkdFfa3UWQJyH2.jpg, bucket=mapit-1333.appspot.com, NSLocalizedDescription=An unknown error occurred, please check the server response., ResponseErrorDomain=NSCocoaErrorDomain, NSFilePath=/local/images, NSUnderlyingError=0x7fc8a080ab50 {Error Domain=NSPOSIXErrorDomain Code=13 "Permission denied"}, ResponseErrorCode=513})

Here is my code:

       let storage = FIRStorage.storage()
       let storageRef = storage.referenceForURL("gs://mapit-1333.appspot.com")


       let islandRef = storageRef.child("ProfilePicture/"+uid+".jpg")
        // Create local filesystem URL
        let localURL: NSURL! = NSURL(string: "file:///local/images/island.jpg")

        // Download to the local filesystem
        let downloadTask = islandRef.writeToFile(localURL) { (URL, error) -> Void in
            if (error != nil) {
                print(error)
            } else {
                let data = NSData(contentsOfURL: URL!)
                self.profileImage.image = UIImage(data: data!)
            }
        }

解决方案

The issue here is that you're getting an NSPOSIXErrorDomain error indicating that you don't have permission to write to the file file:///local/images/\(imageName), presumably because that directory (/local) doesn't exist and even if it does, you don't have permission to write to it.

I'd take a look at docs for a list of directories you can write to--you should probably be using /Documents or /tmp for this.

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