commit 7a7fa86f7965614a280386043362870a0a2b2ac4
Author: Maxime Renou <maxime@renou.co>
Date:   Wed Feb 20 11:11:38 2019 +0100

    Base de travail

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5408cab
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+.idea/
+vendor/
+.DS_Store
diff --git a/Adaptors/S3Storage.php b/Adaptors/S3Storage.php
new file mode 100644
index 0000000..9f48b61
--- /dev/null
+++ b/Adaptors/S3Storage.php
@@ -0,0 +1,135 @@
+<?php
+
+namespace Bluesquare\StorageBundle\Adaptors;
+
+use Aws\S3\S3Client;
+
+/**
+ * Interface de manipulation du stockage S3
+ * Usage: $storage = new S3Storage('my_storage_name', $config);
+ * @author Maxime Renou
+ */
+class S3Storage
+{
+    const MODE_PRIVATE = 'private';
+    const MODE_PUBLIC = 'public-read';
+
+    protected $client;
+    protected $bucket;
+    protected $region;
+
+    public function __construct ($storage_name, $config)
+    {
+        // TODO: on check la présence de "bucket", "region", "endpoint", "credentials" ("key", "secret") dans $config
+
+        $this->config = $config;
+        $this->bucket = $config['bucket'];
+
+        $this->client = new S3Client([
+            'version'  => isset($config['version']) ? $config['version'] : 'latest',
+            'region'   => $config['region'],
+            'endpoint' => $config['endpoint'],
+            'credentials' => [
+                'key'    => $config['credentials']['key'],
+                'secret' => $config['credentials']['secret']
+            ]
+        ]);
+    }
+
+    protected function getPrefix($prefix = null)
+    {
+        $ret = '';
+        if (isset($this->config['path'])) {
+            $ret = trim($this->config['path'], '/').'/';
+        }
+        if (!is_null($prefix)) {
+            $ret = ltrim($prefix, '/');
+        }
+        return $ret;
+    }
+
+    public function index($prefix = null)
+    {
+        return ($this->client->listObjectsV2([
+            'Bucket' => $this->bucket,
+            'Prefix' => $this->getPrefix($prefix)
+        ]));
+    }
+
+    /**
+     * Permet d'obtenir l'URL vers une ressource S3
+     * Cette ressource n'est accessible que si le fichier a été stocké en mode public
+     * @param $target_path
+     * @return string
+     */
+    public function url ($target_path)
+    {
+        return rtrim($this->config['endpoint'], '/').'/'.$this->getPrefix().ltrim($target_path, '/');
+    }
+
+    /**
+     * Permet de stocker un fichier dans S3
+     * @param $source_path
+     * @param $target_path
+     * @param string $permissions
+     * @return \Aws\Result
+     */
+    public function store ($source_path, $target_path, $permissions = self::MODE_PRIVATE)
+    {
+        return $this->client->putObject([
+            'Bucket' => $this->bucket,
+            'Path'   => $this->getPrefix().$target_path,
+            'Key'    => $this->getPrefix().$target_path,
+            'Body'   => file_get_contents($source_path),
+            'ACL'    => $permissions
+        ]);
+    }
+
+    /**
+     * Permet de récupérer un fichier dans S3 pour le stocker en local
+     * @param $distant_path
+     * @param $local_path
+     */
+    public function retrieve ($distant_path, $local_path)
+    {
+        $file_stream = fopen($local_path, 'w');
+
+        $aws_stream = $this->client->getObject([
+            'Bucket' => $this->bucket,
+            'Key'    => $this->getPrefix().$distant_path,
+            'Path'   => $this->getPrefix().$distant_path,
+        ])->get('Body')->detach();
+
+        stream_copy_to_stream($aws_stream, $file_stream);
+        fclose($file_stream);
+    }
+
+    /**
+     * Permet de stream un fichier stocké dans S3
+     * @param $distant_path
+     * @param $target_stream
+     */
+    public function stream ($distant_path, $target_stream)
+    {
+        $aws_stream = $this->client->getObject([
+            'Bucket' => $this->bucket,
+            'Key'    => $this->getPrefix().$distant_path,
+            'Path'   => $this->getPrefix().$distant_path,
+        ])->get('Body')->detach();
+
+        stream_copy_to_stream($aws_stream, $target_stream);
+    }
+
+    /**
+     * Permet de supprimer un fichier stocké dans S3
+     * @param $distant_path
+     */
+    public function delete ($distant_path)
+    {
+        $this->client->deleteObject([
+            'Bucket' => $this->bucket,
+            'Path'   => $this->getPrefix().$distant_path,
+            'Key'    => $this->getPrefix().$distant_path,
+        ]);
+    }
+}
diff --git a/Storage.php b/Storage.php
new file mode 100644
index 0000000..423d109
--- /dev/null
+++ b/Storage.php
@@ -0,0 +1,24 @@
+<?php
+
+namespace Bluesquare\StorageBundle\Adaptors;
+
+use Aws\S3\S3Client;
+
+/**
+ * Interface de manipulation des stockages préconfigurés
+ * Usage par injection
+ */
+class Storage
+{
+    public function get($storage_name)
+    {
+        // TODO: on récupère les infos sur ce storage dans la config utilisateur (config/bluesquare/storage.yaml)
+        // La clef pour la configuration d'un storage devrait être : "storage.{storage_name}"
+
+        // Si storage.{storage_name}.type == 's3' alors :
+            return new S3Storage($storage_name, $config); // $config c'est le contenu de storage.{storage_name} sous forme de tableau
+
+        // Sinon :
+        return null; // (on ajoutera d'autres types de stockage plus tard, dont le stockage de fichier sur le serveur actuel)
+    }
+}
diff --git a/storage_example.yaml b/storage_example.yaml
new file mode 100644
index 0000000..e955e1a
--- /dev/null
+++ b/storage_example.yaml
@@ -0,0 +1,23 @@
+storage:
+
+	photos:
+		type: s3
+		bucket: bluesquare.public
+    region: nl-ams
+    endpoint: 'https://s3.nl-ams.scw.cloud'
+    credentials:
+      key: '%env(MYSUPERSECRETAWSKEY)%'
+      secret: '%env(MYSUPERSECRETAWSSECRET)%'
+    version: lastest # optionnel
+    path: '/photos' # optionnel
+
+  files:
+    type: s3
+    bucket: bluesquare.private
+    region: nl-ams
+    endpoint: 'https://s3.nl-ams.scw.cloud'
+    credentials:
+      key: '%env(MYSUPERSECRETAWSKEY)%'
+      secret: '%env(MYSUPERSECRETAWSSECRET)%'
+
+  ...
\ No newline at end of file