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Jefferson Gonçalves
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Laravel Google Cloud Storage

#Google Cloud Storage filesystem driver for Laravel

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Google Cloud Storage filesystem driver for Laravel 9 and above (using Flysystem v3 and its own GCS adapter).

Looking for Laravel 8 support? Use the v1 branch!

#Support us

We invest a lot of resources into creating best in class open source packages. You can support us by buying one of our paid products.

We highly appreciate you sending us a postcard from your hometown, mentioning which of our package(s) you are using. You'll find our address on our contact page. We publish all received postcards on our virtual postcard wall.

#Installation

You can install the package via composer:

composer require spatie/laravel-google-cloud-storage

Next, add a new disk to your filesystems.php config:

'gcs' => [
    'driver' => 'gcs',
    'key_file_path' => env('GOOGLE_CLOUD_KEY_FILE', null), // optional: /path/to/service-account.json
    'key_file' => [], // optional: Array of data that substitutes the .json file (see below)
    'project_id' => env('GOOGLE_CLOUD_PROJECT_ID', 'your-project-id'), // optional: is included in key file
    'bucket' => env('GOOGLE_CLOUD_STORAGE_BUCKET', 'your-bucket'),
    'path_prefix' => env('GOOGLE_CLOUD_STORAGE_PATH_PREFIX', ''), // optional: /default/path/to/apply/in/bucket
    'storage_api_uri' => env('GOOGLE_CLOUD_STORAGE_API_URI', null), // see: Public URLs below
    'api_endpoint' => env('GOOGLE_CLOUD_STORAGE_API_ENDPOINT', null), // set storageClient apiEndpoint
    'visibility' => 'public', // optional: public|private
    'visibility_handler' => null, // optional: set to \League\Flysystem\GoogleCloudStorage\UniformBucketLevelAccessVisibility::class to enable uniform bucket level access
    'metadata' => ['cacheControl' => 'public,max-age=86400'], // optional: default metadata
],

#Usage

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

$disk->put('avatars/1', $fileContents);
$exists = $disk->exists('file.jpg');
$time = $disk->lastModified('file1.jpg');
$disk->copy('old/file1.jpg', 'new/file1.jpg');
$disk->move('old/file1.jpg', 'new/file1.jpg');
$url = $disk->url('folder/my_file.txt');
$url = $disk->temporaryUrl('folder/my_file.txt', now()->addMinutes(30));
$disk->setVisibility('folder/my_file.txt', 'public');

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

#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_path 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.

#Temporary / Signed URLs

With the latest adapter versions, you can easily generate a signed URLs for files that are not publicly visible by default.

$disk = Storage::disk('gcs');
$url = $disk->temporaryUrl('folder/my_file.txt', now()->addMinutes(30));
// https://storage.googleapis.com/test-bucket/folder/my_file.txt?GoogleAccessId=test-bucket%40test-gcp.iam.gserviceaccount.com&Expires=1571151576&Signature=tvxN1OS1txkWAUF0cCR3FWK%seRZXtFu42%04%YZACYL2zFQxA%uwdGEmdO1KgsHR3vBF%I9KaEzPbl4b7ic2IWUuo8Jh3IoZFqdTQec3KypjDtt%02DGwm%OO6pWDVV421Yp4z520%o5oMqGBtV8B3XmjW2PH76P3uID2QY%AlFxn23oE9PBoM2wXr8pDXhMPwZNJ0FtckSc26O8PmfVsG7Jvln%CQTU57IFyB7JnNxz5tQpc2hPTHbCGrcxVPEISvdOamW3I%83OsXr5raaYYBPcuumDnAmrK%cyS9%Ky2fL2B2shFO2cz%KRu79DBPqtnP2Zf1mJWBTwxVUCK2jxEEYcXBXtdOszIvlI6%tp2XfVwYxLNFU

#Uniform bucket-level access

Google Cloud Storage allows setting permissions at the bucket level i.e. "Uniform bucket-level access".

Initially, the error "Cannot insert legacy ACL for an object when uniform bucket-level access is enabled" is observed.

When uploading files to such buckets ensure the visibility_handler within the configuration file is set as follows:

'visibility_handler' => \League\Flysystem\GoogleCloudStorage\UniformBucketLevelAccessVisibility::class,

Please see https://cloud.google.com/storage/docs/access-control/signed-urls and https://laravel.com/docs/6.x/filesystem for more info.

#Testing

composer test

#Changelog

Please see CHANGELOG for more information on what has changed recently.

#Contributing

Please see CONTRIBUTING for details.

#Security Vulnerabilities

Please review our security policy on how to report security vulnerabilities.

#Credits

#License

The MIT License (MIT). Please see License File for more information.

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