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Cloud Storage for Firebase archivia i tuoi dati in un bucket Google Cloud Storage, una soluzione di archiviazione di oggetti su scala di exabyte con alta disponibilità e ridondanza globale. L'SDK Firebase Admin ti consente di accedere direttamente ai tuoi bucket Cloud Storage da ambienti privilegiati. Poi puoi utilizzare le
API Google Cloud Storage
per manipolare gli oggetti archiviati nei bucket.
Admin SDK ti consente anche di creare URL condivisibili in modo che gli utenti possano
scaricare gli oggetti nei tuoi bucket.
Utilizzare un bucket predefinito
Puoi specificare un nome bucket predefinito quando inizializzi l'SDK Admin. Quindi puoi recuperare un riferimento autenticato a questo bucket.
Il nome del bucket non deve contenere gs:// o altri prefissi di protocollo.
Ad esempio, se l'URL del bucket visualizzato nella
console Firebase
è gs://PROJECT_ID.firebasestorage.app, passa la stringa
PROJECT_ID.firebasestorage.app all'SDK Admin.
Node.js
const{initializeApp,cert}=require('firebase-admin/app');const{getStorage}=require('firebase-admin/storage');constserviceAccount=require('./path/to/serviceAccountKey.json');initializeApp({credential:cert(serviceAccount),storageBucket:'<BUCKET_NAME>.appspot.com'});constbucket=getStorage().bucket();// 'bucket' is an object defined in the @google-cloud/storage library.// See https://googlecloudplatform.github.io/google-cloud-node/#/docs/storage/latest/storage/bucket// for more details.
Java
FileInputStreamserviceAccount=newFileInputStream("path/to/serviceAccountKey.json");FirebaseOptionsoptions=FirebaseOptions.builder().setCredentials(GoogleCredentials.fromStream(serviceAccount)).setStorageBucket("<BUCKET_NAME>.appspot.com").build();FirebaseApp.initializeApp(options);Bucketbucket=StorageClient.getInstance().bucket();// 'bucket' is an object defined in the google-cloud-storage Java library.// See https://cloud.google.com/java/docs/reference/google-cloud-storage/latest/com.google.cloud.storage.Bucket// for more details.
Python
importfirebase_adminfromfirebase_adminimportcredentialsfromfirebase_adminimportstoragecred=credentials.Certificate('path/to/serviceAccountKey.json')firebase_admin.initialize_app(cred,{'storageBucket':'PROJECT_ID.firebasestorage.app'})bucket=storage.bucket()# 'bucket' is an object defined in the google-cloud-storage Python library.# See https://googlecloudplatform.github.io/google-cloud-python/latest/storage/buckets.html# for more details.
Vai
import("context""log"firebase"firebase.google.com/go/v4""firebase.google.com/go/v4/auth""google.golang.org/api/option")config:=&firebase.Config{StorageBucket:"<BUCKET_NAME>.appspot.com",}opt:=option.WithCredentialsFile("path/to/serviceAccountKey.json")app,err:=firebase.NewApp(context.Background(),config,opt)iferr!=nil{log.Fatalln(err)}client,err:=app.Storage(context.Background())iferr!=nil{log.Fatalln(err)}bucket,err:=client.DefaultBucket()iferr!=nil{log.Fatalln(err)}// 'bucket' is an object defined in the cloud.google.com/go/storage package.// See https://godoc.org/cloud.google.com/go/storage#BucketHandle// for more details.
Puoi utilizzare i riferimenti ai bucket restituiti dall'Admin SDK insieme alle librerie client ufficiali
Google Cloud Storage per caricare, scaricare e modificare i contenuti nei bucket associati ai tuoi progetti Firebase. Tieni presente che non devi autenticare
le librerie Google Cloud Storage quando utilizzi l'SDK Firebase Admin. I riferimenti
al bucket restituiti dall'SDK Admin sono già autenticati con le
credenziali utilizzate per inizializzare l'app Firebase.
Utilizzare bucket personalizzati
Se vuoi utilizzare un bucket Cloud Storage diverso da quello predefinito
descritto in precedenza in questa guida o utilizzare più bucket Cloud Storage in
una singola app, puoi recuperare un riferimento a un bucket personalizzato:
Se stai creando un'applicazione più complessa che interagisce con
più app Firebase, puoi
accedere ai bucket Cloud Storage associati a un'app Firebase specifica
nel seguente modo:
Puoi utilizzare Admin SDK per generare un URL di download non scaduto per
i file archiviati nei tuoi bucket. Chiunque abbia questo URL può accedere
in modo permanente al file.
[[["Facile da capire","easyToUnderstand","thumb-up"],["Il problema è stato risolto","solvedMyProblem","thumb-up"],["Altra","otherUp","thumb-up"]],[["Mancano le informazioni di cui ho bisogno","missingTheInformationINeed","thumb-down"],["Troppo complicato/troppi passaggi","tooComplicatedTooManySteps","thumb-down"],["Obsoleti","outOfDate","thumb-down"],["Problema di traduzione","translationIssue","thumb-down"],["Problema relativo a esempi/codice","samplesCodeIssue","thumb-down"],["Altra","otherDown","thumb-down"]],["Ultimo aggiornamento 2025-09-05 UTC."],[],[],null,["\u003cbr /\u003e\n\nCloud Storage for Firebase stores your data in a\n[Google Cloud Storage](//cloud.google.com/storage) bucket --- an\nexabyte scale object storage solution with high availability and global\nredundancy. The Firebase Admin SDK allows you to directly access your\nCloud Storage buckets from privileged environments. Then you can use\n[Google Cloud Storage APIs](//cloud.google.com/storage/docs/reference/libraries)\nto manipulate the objects stored in the buckets.\n\nThe Admin SDK also lets you to create shareable URLs so users can\ndownload objects in your buckets.\n| **Important** : The following changes to pricing plan requirements are happening for Cloud Storage for Firebase. Learn more in the [FAQs](/docs/storage/faqs-storage-changes-announced-sept-2024).\n|\n| - **Starting\n| October 30, 2024** , your Firebase project must be on the [pay-as-you-go Blaze pricing plan](/pricing) to provision a new Cloud Storage for Firebase default bucket. The bucket can optionally use the [\"Always Free\" tier](https://cloud.google.com/storage/pricing#cloud-storage-always-free) for Google Cloud Storage.\n| - **Starting\n| October 1, 2025** , your Firebase project must be on the [pay-as-you-go Blaze pricing plan](/pricing) to maintain access to your default bucket and all other Cloud Storage resources. Any `*.appspot.com` default bucket will maintain its current no-cost level of usage even on the Blaze pricing plan.\n\nUse a default bucket\n\nYou can specify a default bucket name when initializing the Admin SDK. Then you\ncan retrieve an authenticated reference to this bucket.\n\nThe bucket name must *not* contain `gs://` or any other protocol prefixes.\nFor example, if the bucket URL displayed in the\n[Firebase console](//console.firebase.google.com/project/_/storage)\nis `gs://`\u003cvar translate=\"no\"\u003ePROJECT_ID\u003c/var\u003e`.firebasestorage.app`, pass the string\n\u003cvar translate=\"no\"\u003ePROJECT_ID\u003c/var\u003e`.firebasestorage.app` to the Admin SDK. \n\nNode.js \n\n const { initializeApp, cert } = require('firebase-admin/app');\n const { getStorage } = require('firebase-admin/storage');\n\n const serviceAccount = require('./path/to/serviceAccountKey.json');\n\n initializeApp({\n credential: cert(serviceAccount),\n storageBucket: '\u003cBUCKET_NAME\u003e.appspot.com'\n });\n\n const bucket = getStorage().bucket();\n\n // 'bucket' is an object defined in the @google-cloud/storage library.\n // See https://googlecloudplatform.github.io/google-cloud-node/#/docs/storage/latest/storage/bucket\n // for more details.\n\nJava \n\n FileInputStream serviceAccount = new FileInputStream(\"path/to/serviceAccountKey.json\");\n\n FirebaseOptions options = FirebaseOptions.builder()\n .setCredentials(GoogleCredentials.fromStream(serviceAccount))\n .setStorageBucket(\"\u003cBUCKET_NAME\u003e.appspot.com\")\n .build();\n FirebaseApp.initializeApp(options);\n\n Bucket bucket = StorageClient.getInstance().bucket();\n\n // 'bucket' is an object defined in the google-cloud-storage Java library.\n // See https://cloud.google.com/java/docs/reference/google-cloud-storage/latest/com.google.cloud.storage.Bucket\n // for more details.\n\nPython \n\n import firebase_admin\n from firebase_admin import credentials\n from firebase_admin import storage\n\n cred = credentials.Certificate('path/to/serviceAccountKey.json')\n firebase_admin.initialize_app(cred, {\n 'storageBucket': '\u003cvar translate=\"no\"\u003ePROJECT_ID\u003c/var\u003e.firebasestorage.app'\n })\n\n bucket = storage.bucket()\n\n # 'bucket' is an object defined in the google-cloud-storage Python library.\n # See https://googlecloudplatform.github.io/google-cloud-python/latest/storage/buckets.html\n # for more details.\n\nGo \n\n import (\n \t\"context\"\n \t\"log\"\n\n \tfirebase \"firebase.google.com/go/v4\"\n \t\"firebase.google.com/go/v4/auth\"\n \t\"google.golang.org/api/option\"\n )\n\n config := &firebase.Config{\n \tStorageBucket: \"\u003cBUCKET_NAME\u003e.appspot.com\",\n }\n opt := option.WithCredentialsFile(\"path/to/serviceAccountKey.json\")\n app, err := firebase.NewApp(context.Background(), config, opt)\n if err != nil {\n \tlog.Fatalln(err)\n }\n\n client, err := app.Storage(context.Background())\n if err != nil {\n \tlog.Fatalln(err)\n }\n\n bucket, err := client.DefaultBucket()\n if err != nil {\n \tlog.Fatalln(err)\n }\n // 'bucket' is an object defined in the cloud.google.com/go/storage package.\n // See https://godoc.org/cloud.google.com/go/storage#BucketHandle\n // for more details. \n https://github.com/firebase/firebase-admin-go/blob/26dec0b7589ef7641eefd6681981024079b8524c/snippets/storage.go#L31-L51\n\nYou can use the bucket references returned by the Admin SDK in conjunction with\nthe official\n[Google Cloud Storage client libraries](//cloud.google.com/storage/docs/reference/libraries)\nto upload, download, and modify content in the buckets associated with your\nFirebase projects. Note that you do not have to authenticate\nGoogle Cloud Storage libraries when using the Firebase Admin SDK. The bucket\nreferences returned by the Admin SDK are already authenticated with the\ncredentials used to initialize your Firebase app.\n\nUse custom buckets\n\nIf you want to use a Cloud Storage bucket other than the default bucket\ndescribed earlier in this guide, or use multiple Cloud Storage buckets in\na single app, you can retrieve a reference to a custom bucket: \n\nNode.js \n\n const bucket = getStorage().bucket('my-custom-bucket');\n\nJava \n\n Bucket bucket = StorageClient.getInstance().bucket(\"my-custom-bucket\");\n\nPython \n\n bucket = storage.bucket('my-custom-bucket')\n\nGo \n\n bucket, err := client.Bucket(\"my-custom-bucket\") \n https://github.com/firebase/firebase-admin-go/blob/26dec0b7589ef7641eefd6681981024079b8524c/snippets/storage.go#L64-L64\n\nUse a custom Firebase app\n\nIf you are building a more complicated application that interacts with\n[multiple Firebase apps](/docs/admin/setup#initialize-multiple-apps), you can\naccess the Cloud Storage buckets associated with a specific Firebase app\nas follows: \n\nNode.js \n\n const bucket = getStorage(customApp).bucket();\n\nJava \n\n Bucket bucket = StorageClient.getInstance(customApp).bucket();\n\nPython \n\n bucket = storage.bucket(app=custom_app)\n\nGo \n\n otherClient, err := otherApp.Storage(context.Background())\n bucket, err := otherClient.Bucket(\"other-app-bucket\")\n\nGet a shareable download URL\n\nYou can use the Admin SDK to generate a non-expiring download URL for\nfiles stored in your buckets. Anyone with this URL can permanently\naccess the file. \n\nNode.js \n\n const { getStorage, getDownloadURL } = require('firebase-admin/storage');\n\n const fileRef = getStorage().bucket('my-bucket').file('my-file');\n const downloadURL= await getDownloadURL(fileRef);\n\nGoogle Cloud Storage client libraries\n\nThe Firebase Admin SDKs depend on the\n[Google Cloud Storage client libraries](//cloud.google.com/storage/docs/reference/libraries)\nto provide Cloud Storage access. The bucket references returned by the\nAdmin SDK are objects defined in these libraries. Refer to the documentation and\nAPI references of the Google Cloud Storage client libraries to learn how to\nuse the returned bucket references in use cases like file\n[upload](//cloud.google.com/storage/docs/uploading-objects) and\n[download](//cloud.google.com/storage/docs/downloading-objects)."]]