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A Google Cloud Storage filesystem for Laravel
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README.md

laravel-google-cloud-storage

A Google Cloud Storage filesystem for Laravel.

Author Build Status Software License Packagist Version Total Downloads

This package is a wrapper bridging flysystem-google-storage into Laravel as an available storage disk.

Installation

composer require superbalist/laravel-google-cloud-storage

If you are on Laravel 5.4 or earlier, then register the service provider in app.php

'providers' => [
    // ...
    Superbalist\LaravelGoogleCloudStorage\GoogleCloudStorageServiceProvider::class,
]

If you are on Laravel 5.5 or higher, composer will have registered the provider automatically for you.

Add a new disk to your filesystems.php config

'gcs' => [
    'driver' => 'gcs',
    'project_id' => env('GOOGLE_CLOUD_PROJECT_ID', 'your-project-id'),
    'key_file' => env('GOOGLE_CLOUD_KEY_FILE', null), // optional: /path/to/service-account.json
    'bucket' => env('GOOGLE_CLOUD_STORAGE_BUCKET', 'your-bucket'),
    'path_prefix' => env('GOOGLE_CLOUD_STORAGE_PATH_PREFIX', null), // optional: /default/path/to/apply/in/bucket
    'storage_api_uri' => env('GOOGLE_CLOUD_STORAGE_API_URI', null), // see: Public URLs below
    'visibility' => 'public', // optional: public|private
],

Authentication

The Google Client uses a few methods to determine how it should authenticate with the Google API.

  1. If you specify a path in the key key_file in disk config, that json credentials file will be used.

  2. If the GOOGLE_APPLICATION_CREDENTIALS env var is set, it will use that.

    putenv('GOOGLE_APPLICATION_CREDENTIALS=/path/to/service-account.json');
  3. It will then try load the key file from a 'well known path':

    • windows: %APPDATA%/gcloud/application_default_credentials.json
    • others: $HOME/.config/gcloud/application_default_credentials.json
  4. If running in Google App Engine, the built-in service account associated with the application will be used.

  5. If running in Google Compute Engine, the built-in service account associated with the virtual machine instance will be used.

  6. If you want to authenticate directly without using a json file, you can specify an array for key_file in disk config with this data:

    'key_file' => [
        'type' => env('GOOGLE_CLOUD_ACCOUNT_TYPE'),
        'private_key_id' => env('GOOGLE_CLOUD_PRIVATE_KEY_ID'),
        'private_key' => env('GOOGLE_CLOUD_PRIVATE_KEY'),
        'client_email' => env('GOOGLE_CLOUD_CLIENT_EMAIL'),
        'client_id' => env('GOOGLE_CLOUD_CLIENT_ID'),
        'auth_uri' => env('GOOGLE_CLOUD_AUTH_URI'),
        'token_uri' => env('GOOGLE_CLOUD_TOKEN_URI'),
        'auth_provider_x509_cert_url' => env('GOOGLE_CLOUD_AUTH_PROVIDER_CERT_URL'),
        'client_x509_cert_url' => env('GOOGLE_CLOUD_CLIENT_CERT_URL'),
    ],

Public URLs

The adapter implements a getUrl($path) method which returns a public url to a file.

Note: Method available for Laravel 5.2 and higher. If used on 5.1, it will throw an exception.

$disk = Storage::disk('gcs');
$url = $disk->url('folder/my_file.txt');
>>> http://storage.googleapis.com/bucket-name/folder/my_file.txt

If you configure a path_prefix in your config:

$disk = Storage::disk('gcs');
$url = $disk->url('folder/my_file.txt');
>>> http://storage.googleapis.com/bucket-name/path-prefix/folder/my_file.txt

If you configure a custom storage_api_uri in your config:

$disk = Storage::disk('gcs');
$url = $disk->url('folder/my_file.txt');
>>> http://your-custom-domain.com/bucket-name/path-prefix/folder/my_file.txt

For a custom domain (storage api uri), you will need to configure a CNAME DNS entry pointing to storage.googleapis.com.

Please see https://cloud.google.com/storage/docs/xml-api/reference-uris#cname for further instructions.

Usage

$disk = Storage::disk('gcs');

// create a file
$disk->put('avatars/1', $fileContents);

// check if a file exists
$exists = $disk->exists('file.jpg');

// get file modification date
$time = $disk->lastModified('file1.jpg');

// copy a file
$disk->copy('old/file1.jpg', 'new/file1.jpg');

// move a file
$disk->move('old/file1.jpg', 'new/file1.jpg');

// get url to file
$url = $disk->url('folder/my_file.txt');

// Set the visibility of file to public
$disk->setVisibility('folder/my_file.txt', 'public');


// See https://laravel.com/docs/5.3/filesystem for full list of available functionality
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