321 lines
9.0 KiB
PHP
321 lines
9.0 KiB
PHP
<?php
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/**
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* @package Google Cloud Platform
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*
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* @author Velz
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*
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*
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* Description : To upload images and files.
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*/
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if (!defined('BASEPATH'))
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exit('No direct script access allowed');
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include_once APPPATH.'/vendor/autoload.php';
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use Google\Cloud\Storage\StorageClient;
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class Googlecloud
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{
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private $googleClient;
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private $CI;
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public function __construct()
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{
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// 'keyFilePath' => APPPATH.'/client_secret_storage_389134811365-cnd4r6014l500bfpskt7ahs2apvcu3mm.apps.googleusercontent.com.json'
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$this->CI =& get_instance();
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$this->googleClient = new StorageClient([
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'keyFilePath' => $_SERVER['DOCUMENT_ROOT'].'/env/cet_gcp_credential.json'
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]);
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// Authenticate using keyfile data
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// $this->googleClient = new StorageClient([
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// 'keyFile' => json_decode(file_get_contents(APPPATH.'/client_secret_storage_389134811365-cnd4r6014l500bfpskt7ahs2apvcu3mm.apps.googleusercontent.com.json'), true)
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// ]);
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}
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/**
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* List all Cloud Storage buckets for the current project.
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* Refer : get_bucket_metadata() in GCP Docs
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*/
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public function listAllBuckets()
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{
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// $storage = new StorageClient();
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$storage = $this->googleClient;
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$array = array();
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try{$buckets = $storage->buckets();
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foreach ($storage->buckets() as $bucket) {
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// printf('Bucket: %s' . PHP_EOL, $bucket->name());
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array_push($array, $bucket->name());
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}
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return $array;
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}
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catch (Exception $ex) {
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return $ex->getMessage() . "\n<pre>";
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print_r($ex->getTraceAsString());
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"</pre>";
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}
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}
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/**
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* Create a new bucket with a custom default storage class and location.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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* Refer : create_bucket_class_location() in GCP Docs
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*/
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function createNewBucket(string $bucketName): string
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{
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// $storage = new StorageClient();
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try {
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$storage = $this->googleClient;
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$storageClass = 'COLDLINE';
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$location = 'ASIA';
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$bucket = $storage->createBucket($bucketName, [
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'storageClass' => $storageClass,
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'location' => $location,
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]);
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$objects = $bucket->objects([
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'encryption' => [ 'defaultKmsKeyName' => null,]
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]);
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return $bucketName;
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// printf('Created bucket %s in %s with storage class %s', $bucketName, $storageClass, $location);
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} catch (Exception $ex) {
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return $ex->getMessage() . "\n<pre>";
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print_r($ex->getTraceAsString());
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"</pre>";
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}
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}
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/**
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* Upload a file.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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* @param string $objectName The name of your Cloud Storage object.
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* (e.g. 'my-object')
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* @param string $source The path to the file to upload.
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* (e.g. '/path/to/your/file')
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* Refer : upload_object() in GCP Docs
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*/
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function uploadFileToGCPBucket(string $bucketName, string $objectName, string $source)
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{
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// $storage = new StorageClient();
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$result = '';
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try {
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$storage = $this->googleClient;
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$file = fopen($source, 'r');
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$bucket = $storage->bucket($bucketName);
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$object = $bucket->upload($file, [
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'name' => $objectName
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]);
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// $result = $object;
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// print_r($result);
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$result = true;
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}
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catch (Exception $ex) {
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$result = false;
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}
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return $result;
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// printf('Uploaded %s to gs://%s/%s' . PHP_EOL, basename($source), $bucketName, $objectName);
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}
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/**
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* Generate a v4 signed URL for downloading an object.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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* @param string $objectName The name of your Cloud Storage object.
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* (e.g. 'my-object')
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* Refer : get_object_v4_signed_url() in GCP Docs
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*/
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function getSingleObjectInaBucketAsSignedURI(string $bucketName, string $objectName): string
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{
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try {
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$storage = $this->googleClient;
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$bucket = $storage->bucket($bucketName);
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$object = $bucket->object($objectName);
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$url = $object->signedUrl(
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# This URL is valid for 15 minutes
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new \DateTime('15 min'),
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[
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'version' => 'v4',
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]
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);
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$presignedUrl = (string) $url;
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// print('Generated GET signed URL:' . PHP_EOL);
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// print($url . PHP_EOL);
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// print('You can use this URL with any user agent, for example:' . PHP_EOL);
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// print('curl ' . $url . PHP_EOL);
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}catch (Exception $ex) {
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return $ex->getMessage() . "\n<pre>";
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print_r($ex->getTraceAsString());
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"</pre>";
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}
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return $presignedUrl;
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}
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/**
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* List Cloud Storage bucket objects.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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* Refer : list_objects() in GCP Docs
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*/
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function getAllObjectsInaBucket(string $bucketName)
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{
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// $storage = new StorageClient();
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$objects = array();
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try {
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$storage = $this->googleClient;
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$bucket = $storage->bucket($bucketName);
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foreach ($bucket->objects() as $object) {
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// printf('Object: %s' . PHP_EOL, $object->name());
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array_push($objects, $object->name());
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}
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} catch (Exception $ex) {
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return $ex->getMessage() . "\n<pre>";
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print_r($ex->getTraceAsString());
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"</pre>";
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}
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return $objects;
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}
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/**
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* Delete an object.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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* @param string $objectName The name of your Cloud Storage object.
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* (e.g. 'my-object')
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* Refer : delete_object() in GCP Docs
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*/
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function deleteSingleObjFromBucket(string $bucketName, string $objectName): string
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{
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// $storage = new StorageClient();
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$storage = $this->googleClient;
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$bucket = $storage->bucket($bucketName);
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$object = $bucket->object($objectName);
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$object->delete();
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// printf('Deleted gs://%s/%s' . PHP_EOL, $bucketName, $objectName);
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return 'Deleted gs://%s/%s' . PHP_EOL.$objectName;
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}
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/**
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* Change the default storage class for the given bucket.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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*/
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function change_default_storage_class(string $bucketName): void
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{
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$storage = new StorageClient();
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$bucket = $storage->bucket($bucketName);
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$storageClass = 'COLDLINE';
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$bucket->update([
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'storageClass' => $storageClass,
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]);
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printf(
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'Default storage class for bucket %s has been set to %s',
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$bucketName,
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$storageClass
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);
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}
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/**
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* Delete a Cloud Storage Bucket.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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* Refer : delete_bucket() in GCP Docs.
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*/
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function delete_bucket(string $bucketName): void
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{
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// $storage = new StorageClient();
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$storage = $this->googleClient;
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$bucket = $storage->bucket($bucketName);
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$bucket->delete();
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printf('Bucket deleted: %s' . PHP_EOL, $bucket->name());
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}
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/**
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* Get bucket metadata.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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* Refer : get_bucket_metadata() in GCP Docs
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*/
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function get_bucket_metadata(string $bucketName): void
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{
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// $storage = new StorageClient();
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$storage = $this->googleClient;
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$bucket = $storage->bucket($bucketName);
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$info = $bucket->info();
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printf('Bucket Metadata: %s' . PHP_EOL, print_r($info));
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}
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/**
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* Download an object from Cloud Storage and save it as a local file.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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* @param string $objectName The name of your Cloud Storage object.
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* (e.g. 'my-object')
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* @param string $destination The local destination to save the object.
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* (e.g. '/path/to/your/file')
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* Refer : download_object() in GCP Docs
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*/
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function download_object(string $bucketName, string $objectName, string $destination): void
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{
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$storage = $this->googleClient;
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$bucket = $storage->bucket($bucketName);
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$object = $bucket->object($objectName);
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$object->downloadToFile($destination);
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printf(
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'Downloaded gs://%s/%s to %s' . PHP_EOL,
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$bucketName,
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$objectName,
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basename($destination));
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}
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/**
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* Copy an object to a new name and/or bucket.
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*
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* @param string $bucketName The name of your Cloud Storage bucket.
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* (e.g. 'my-bucket')
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* @param string $objectName The name of your Cloud Storage object.
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* (e.g. 'my-object')
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* @param string $newBucketName The destination bucket name.
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* (e.g. 'my-other-bucket')
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* @param string $newObjectName The destination object name.
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* (e.g. 'my-other-object')
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* Refer : copy_object() in GCP Docs
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*/
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function copyGCPObject(string $bucketName, string $objectName, string $newBucketName, string $newObjectName): void
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{
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$storage = new StorageClient();
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$bucket = $storage->bucket($bucketName);
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$object = $bucket->object($objectName);
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$object->copy($newBucketName, ['name' => $newObjectName]);
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printf('Copied gs://%s/%s to gs://%s/%s' . PHP_EOL,
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$bucketName, $objectName, $newBucketName, $newObjectName);
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}
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}
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?>
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