Refactor project structure

2018-04-29 17:46:42 +02:00
parent 889baf124c
commit e3a7e18d9c
5513 changed files with 32 additions and 27 deletions
--- a/core/src/Classes/S3FileSystem.php
+++ b/core/src/Classes/S3FileSystem.php
@@ -0,0 +1,118 @@
+<?php
+namespace Classes;
+
+use Aws\S3\S3Client;
+use Utils\LogManager;
+
+class S3FileSystem
+{
+
+    protected $s3;
+    protected $key;
+    protected $secret;
+
+    public function __construct($key, $secret)
+    {
+
+        $this->key = $key;
+        $this->secret = $secret;
+        $arr = array(
+                'key'    => $key,
+                'secret' => $secret,
+                'region' => AWS_REGION
+        );
+        $this->s3 = S3Client::factory($arr);
+    }
+
+    public function putObject($bucket, $key, $sourceFile, $acl)
+    {
+        $res = null;
+        try {
+            $res = $this->s3->putObject(array(
+                    'Bucket' => $bucket,
+                    'Key'    => $key,
+                    'SourceFile'   => $sourceFile,
+                    'ACL'    => $acl
+                    /*'ContentType' => 'image/jpeg'*/
+            ));
+        } catch (\Exception $e) {
+            LogManager::getInstance()->error($e->getMessage());
+            return null;
+        }
+
+        LogManager::getInstance()->info("Response from s3:".print_r($res, true));
+
+        $result = $res->get('RequestId');
+        if (!empty($result)) {
+            return  $result;
+        }
+
+        return null;
+    }
+
+    public function deleteObject($bucket, $key)
+    {
+        $res = null;
+
+        try {
+            $res = $this->s3->deleteObject(array(
+                    'Bucket' => $bucket,
+                    'Key'    => $key
+            ));
+        } catch (\Exception $e) {
+            LogManager::getInstance()->info($e->getMessage());
+            return null;
+        }
+
+        LogManager::getInstance()->info("Response from s3:".print_r($res, true));
+
+        $result = $res->get('RequestId');
+        if (!empty($result)) {
+            return  $result;
+        }
+
+        return null;
+    }
+
+    public function generateExpiringURL($url, $expiresIn = 600)
+    {
+        // Calculate expiry time
+        $expiresTimestamp = time() + intval($expiresIn);
+        $path = parse_url($url, PHP_URL_PATH);
+        $path = str_replace('%2F', '/', rawurlencode($path = ltrim($path, '/')));
+        $host = parse_url($url, PHP_URL_HOST);
+        $bucket = str_replace(".s3.amazonaws.com", "", $host);
+        // Path for signature starts with the bucket
+        $signpath = '/'. $bucket .'/'. $path;
+
+        // S3 friendly string to sign
+        $signsz = implode("\n", $pieces = array('GET', null, null, $expiresTimestamp, $signpath));
+
+        // Calculate the hash
+        $signature = $this->elCryptoHmacSHA1($this->secret, $signsz);
+        // ... to the query string ...
+        $qs = http_build_query($pieces = array(
+                'AWSAccessKeyId' => $this->key,
+                'Expires' => $expiresTimestamp,
+                'Signature' => $signature,
+        ));
+        // ... and return the URL!
+        return $url.'?'.$qs;
+    }
+
+    private function elCryptoHmacSHA1($key, $data, $blocksize = 64)
+    {
+        if (strlen($key) > $blocksize) {
+            $key = pack('H*', sha1($key));
+        }
+        $key = str_pad($key, $blocksize, chr(0x00));
+        $ipad = str_repeat(chr(0x36), $blocksize);
+        $opad = str_repeat(chr(0x5c), $blocksize);
+        $hmac = pack('H*', sha1(
+            ($key ^ $opad) . pack('H*', sha1(
+                ($key ^ $ipad) . $data
+            ))
+        ));
+        return base64_encode($hmac);
+    }
+}