用户无权访问此对象。 Firebase 存储 android
User does not have permission to access this object . Firebase storage android
我是 Firebase 存储的新手。为了学习它,我制作了一个简单的应用程序,它有一个按钮和一个 ImageView
。当我单击该按钮时,图像 (from drawable)
会显示在 ImageView 上。我也写了在Firebase上上传图片的代码,但是onAddFailureListener
的异常消息给出消息User does not have permission to access this object.我该怎么办?
package com.example.asad.save_photo;
import android.app.Activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.net.Uri;
import android.os.Environment;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.StorageMetadata;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.UploadTask;
import java.io.ByteArrayOutputStream;
import java.io.File;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
FirebaseStorage storage = FirebaseStorage.getInstance();
StorageReference storageRef = storage.getReferenceFromUrl("gs://savephoto-a1cc3.appspot.com");
final StorageReference mountainsRef = storageRef.child("asad");
Button butt = (Button) findViewById(R.id.button);
butt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ImageView imageView = (ImageView) findViewById(R.id.image);
imageView.setImageResource(R.drawable.back2);
//imageView.setImageResource(R.drawable.back2);
imageView.setDrawingCacheEnabled(true);
imageView.buildDrawingCache();
Bitmap bitmap = imageView.getDrawingCache();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
final byte[] data = baos.toByteArray();
UploadTask uploadTask = mountainsRef.putBytes(data);
uploadTask.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception exception) {
// Handle unsuccessful uploads
showToast(exception.getMessage());
}
});
uploadTask.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
// taskSnapshot.getMetadata() contains file metadata such as size, content-type, and download URL.
//Uri downloadUrl = taskSnapshot.getDownloadUrl();
showToast("success !!!!!");
}
});
}
});
}
public void showToast(String s) {
Toast.makeText(this,s,Toast.LENGTH_LONG).show();
}
}
这是我的 firebase 存储规则
service firebase.storage {
match /b/savephoto-a1cc3.appspot.com/o {
allow read,write;
}
}
使用 match /{allPaths=**}
更新您的安全规则以表明 public 允许在所有路径上进行读写访问:
service firebase.storage {
match /b/savephoto-a1cc3.appspot.com/o {
match /{allPaths=**} {
// Allow access by all users
allow read, write;
}
}
}
文档 Sample Rules 部分的选项卡中提供了各种默认规则。
在 Firebase 控制台中更改存储规则
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write: if request.auth != null;
}
}
}
转到存储 -> 规则选项卡
添加这个
// Anyone can read or write to the bucket, even non-users of your app.
// Because it is shared with Google App Engine, this will also make
// files uploaded via GAE public.
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
只需转到存储 - 规则。输入如下规则,将桶名称替换为您自己的桶名称。您可以转到存储 - 文件找到存储桶名称。
它应该看起来像这样:
我的应用程序-xxxx.appspot.com
这就是您所需要的。如果您只是为了测试目的,则不需要启用身份验证。如果需要身份验证,可以稍后添加。
这些解决方案确实没有解决我的问题。
解决我问题的是那些行:
在应用程序模块中
implementation 'com.google.firebase:firebase-database:15.0.0'
implementation 'com.google.firebase:firebase-storage:15.0.0'
implementation 'com.google.firebase:firebase-auth:15.0.0'
以及用于上传和下载的代码 link
private void uploadImageToFirebase(Bitmap bmp) {
try {
String file_path = Environment.getExternalStorageDirectory().getAbsolutePath() +
"/news";
File dir = new File(file_path);
if (!dir.exists())
dir.mkdirs();
File file = new File(dir, "sketchpad" + "_" + ".png");
FileOutputStream fOut = new FileOutputStream(file);
bmp.compress(Bitmap.CompressFormat.PNG, 100, fOut);
fOut.flush();
fOut.close();
Log.i("SECONDACTIVITY", "ADDED SUCCESSFULLY");
Uri file2 = Uri.fromFile(file);
//Now Upload
final StorageReference storageRef = FirebaseStorage.getInstance().getReference();
StorageReference riversRef = storageRef.child(file.getName());
UploadTask uploadTask;
uploadTask = riversRef.putFile(file2);
progressDialog.show();
progressDialog.setCancelable(false);
uploadTask.addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() {
@Override
public void onProgress(UploadTask.TaskSnapshot taskSnapshot) {
double progress = (100.0 * taskSnapshot.getBytesTransferred()) / taskSnapshot.getTotalByteCount();
progressDialog.incrementProgressBy((int) progress);
}
});
uploadTask.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
progressDialog.dismiss();
Uri DownloadLink = taskSnapshot.getDownloadUrl();
String imgUrl = DownloadLink.toString();
FirebaseDatabase.getInstance().getReference().child("image_link").setValue(imgUrl);
}
});
uploadTask.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
progressDialog.dismiss();
}
});
} catch (IOException e) {
e.printStackTrace();
}
}
service firebase.storage {
match /b/fir-upload-a2fa6.appspot.com/o {
match /{allPaths=**} {
// Allow access by all users
allow read, write;
}
}
}
问题出在您的 Firebase 存储规则上。改成
rules_version = '2';
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write: if request.auth != null;
}
}
}
确保 if request.auth != null
Firebase 存储错误(已解决)
1. 转到您正在处理的项目下的 firebase 控制台
2. 在 firebase 控制台上的存储和规则下编辑服务 firebase.storage 到。
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
我正在添加这个答案,希望它能对 Firebase 中的某个人有所帮助:
转到“存储”
Select“规则”选项卡并按以下方式编辑规则:
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
// Allow access by all users
allow read, write: if request.auth != null;
}
}
}
注意:请确保您拥有与上面完全相同的内容,不要将 {bucket} 替换为您的项目名称。
按照以下步骤操作
转到“存储”
Select“规则”选项卡并按以下方式编辑规则:
//如果您的应用程序具有身份验证功能(登录),则使用此:-
rules_version = '2';
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write: if request.auth != null;
}
}
}
//如果您的应用程序没有登录功能(直接任何用户都可以访问存储)然后使用这个:-
rules_version = '2';
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
Firebase 存储错误(已解决) 1. 转到您正在处理的项目下的 firebase 控制台 2. 在 firebase 控制台上的存储下和规则下编辑服务 firebase.storage 至。
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
注意:如果还没有解决这个问题,请检查您的 firebase 计划是否已过期。
请转到您在 firebase 中的 storage/rules 文件夹并粘贴以下代码。
rules_version = '2';
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
我是 Firebase 存储的新手。为了学习它,我制作了一个简单的应用程序,它有一个按钮和一个 ImageView
。当我单击该按钮时,图像 (from drawable)
会显示在 ImageView 上。我也写了在Firebase上上传图片的代码,但是onAddFailureListener
的异常消息给出消息User does not have permission to access this object.我该怎么办?
package com.example.asad.save_photo;
import android.app.Activity;
import android.graphics.Bitmap;
import android.os.Bundle;
import android.net.Uri;
import android.os.Environment;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
import com.google.android.gms.tasks.OnFailureListener;
import com.google.android.gms.tasks.OnSuccessListener;
import com.google.firebase.storage.FirebaseStorage;
import com.google.firebase.storage.StorageMetadata;
import com.google.firebase.storage.StorageReference;
import com.google.firebase.storage.UploadTask;
import java.io.ByteArrayOutputStream;
import java.io.File;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
FirebaseStorage storage = FirebaseStorage.getInstance();
StorageReference storageRef = storage.getReferenceFromUrl("gs://savephoto-a1cc3.appspot.com");
final StorageReference mountainsRef = storageRef.child("asad");
Button butt = (Button) findViewById(R.id.button);
butt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
ImageView imageView = (ImageView) findViewById(R.id.image);
imageView.setImageResource(R.drawable.back2);
//imageView.setImageResource(R.drawable.back2);
imageView.setDrawingCacheEnabled(true);
imageView.buildDrawingCache();
Bitmap bitmap = imageView.getDrawingCache();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.JPEG, 100, baos);
final byte[] data = baos.toByteArray();
UploadTask uploadTask = mountainsRef.putBytes(data);
uploadTask.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception exception) {
// Handle unsuccessful uploads
showToast(exception.getMessage());
}
});
uploadTask.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
// taskSnapshot.getMetadata() contains file metadata such as size, content-type, and download URL.
//Uri downloadUrl = taskSnapshot.getDownloadUrl();
showToast("success !!!!!");
}
});
}
});
}
public void showToast(String s) {
Toast.makeText(this,s,Toast.LENGTH_LONG).show();
}
}
这是我的 firebase 存储规则
service firebase.storage {
match /b/savephoto-a1cc3.appspot.com/o {
allow read,write;
}
}
使用 match /{allPaths=**}
更新您的安全规则以表明 public 允许在所有路径上进行读写访问:
service firebase.storage {
match /b/savephoto-a1cc3.appspot.com/o {
match /{allPaths=**} {
// Allow access by all users
allow read, write;
}
}
}
文档 Sample Rules 部分的选项卡中提供了各种默认规则。
在 Firebase 控制台中更改存储规则
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write: if request.auth != null;
}
}
}
转到存储 -> 规则选项卡
添加这个
// Anyone can read or write to the bucket, even non-users of your app.
// Because it is shared with Google App Engine, this will also make
// files uploaded via GAE public.
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
只需转到存储 - 规则。输入如下规则,将桶名称替换为您自己的桶名称。您可以转到存储 - 文件找到存储桶名称。
它应该看起来像这样: 我的应用程序-xxxx.appspot.com
这就是您所需要的。如果您只是为了测试目的,则不需要启用身份验证。如果需要身份验证,可以稍后添加。
这些解决方案确实没有解决我的问题。
解决我问题的是那些行:
在应用程序模块中
implementation 'com.google.firebase:firebase-database:15.0.0'
implementation 'com.google.firebase:firebase-storage:15.0.0'
implementation 'com.google.firebase:firebase-auth:15.0.0'
以及用于上传和下载的代码 link
private void uploadImageToFirebase(Bitmap bmp) {
try {
String file_path = Environment.getExternalStorageDirectory().getAbsolutePath() +
"/news";
File dir = new File(file_path);
if (!dir.exists())
dir.mkdirs();
File file = new File(dir, "sketchpad" + "_" + ".png");
FileOutputStream fOut = new FileOutputStream(file);
bmp.compress(Bitmap.CompressFormat.PNG, 100, fOut);
fOut.flush();
fOut.close();
Log.i("SECONDACTIVITY", "ADDED SUCCESSFULLY");
Uri file2 = Uri.fromFile(file);
//Now Upload
final StorageReference storageRef = FirebaseStorage.getInstance().getReference();
StorageReference riversRef = storageRef.child(file.getName());
UploadTask uploadTask;
uploadTask = riversRef.putFile(file2);
progressDialog.show();
progressDialog.setCancelable(false);
uploadTask.addOnProgressListener(new OnProgressListener<UploadTask.TaskSnapshot>() {
@Override
public void onProgress(UploadTask.TaskSnapshot taskSnapshot) {
double progress = (100.0 * taskSnapshot.getBytesTransferred()) / taskSnapshot.getTotalByteCount();
progressDialog.incrementProgressBy((int) progress);
}
});
uploadTask.addOnSuccessListener(new OnSuccessListener<UploadTask.TaskSnapshot>() {
@Override
public void onSuccess(UploadTask.TaskSnapshot taskSnapshot) {
progressDialog.dismiss();
Uri DownloadLink = taskSnapshot.getDownloadUrl();
String imgUrl = DownloadLink.toString();
FirebaseDatabase.getInstance().getReference().child("image_link").setValue(imgUrl);
}
});
uploadTask.addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
progressDialog.dismiss();
}
});
} catch (IOException e) {
e.printStackTrace();
}
}
service firebase.storage {
match /b/fir-upload-a2fa6.appspot.com/o {
match /{allPaths=**} {
// Allow access by all users
allow read, write;
}
}
}
问题出在您的 Firebase 存储规则上。改成
rules_version = '2';
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write: if request.auth != null;
}
}
}
确保 if request.auth != null
Firebase 存储错误(已解决) 1. 转到您正在处理的项目下的 firebase 控制台 2. 在 firebase 控制台上的存储和规则下编辑服务 firebase.storage 到。
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
我正在添加这个答案,希望它能对 Firebase 中的某个人有所帮助:
转到“存储”
Select“规则”选项卡并按以下方式编辑规则:
service firebase.storage { match /b/{bucket}/o { match /{allPaths=**} { // Allow access by all users allow read, write: if request.auth != null; } } }
注意:请确保您拥有与上面完全相同的内容,不要将 {bucket} 替换为您的项目名称。
按照以下步骤操作
转到“存储”
Select“规则”选项卡并按以下方式编辑规则:
//如果您的应用程序具有身份验证功能(登录),则使用此:-
rules_version = '2';
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write: if request.auth != null;
}
}
}
//如果您的应用程序没有登录功能(直接任何用户都可以访问存储)然后使用这个:-
rules_version = '2';
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
Firebase 存储错误(已解决) 1. 转到您正在处理的项目下的 firebase 控制台 2. 在 firebase 控制台上的存储下和规则下编辑服务 firebase.storage 至。
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}
注意:如果还没有解决这个问题,请检查您的 firebase 计划是否已过期。
请转到您在 firebase 中的 storage/rules 文件夹并粘贴以下代码。
rules_version = '2';
service firebase.storage {
match /b/{bucket}/o {
match /{allPaths=**} {
allow read, write;
}
}
}