From 3acdfa6776e45fae4c6de8302956bef037450afe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Ausw=C3=B6ger?= <martin@auswoeger.com>
Date: Tue, 30 Jul 2024 16:23:00 +0200
Subject: [PATCH] Use streams in ExifMetadataReader (#861)

---
 src/Image/Metadata/ExifMetadataReader.php | 25 ++++++++++++++++-------
 1 file changed, 18 insertions(+), 7 deletions(-)

diff --git a/src/Image/Metadata/ExifMetadataReader.php b/src/Image/Metadata/ExifMetadataReader.php
index 4f15e6bd6..b5bf3c46a 100644
--- a/src/Image/Metadata/ExifMetadataReader.php
+++ b/src/Image/Metadata/ExifMetadataReader.php
@@ -42,11 +42,14 @@ public static function getUnsupportedReason()
         if (!function_exists('exif_read_data')) {
             return 'The PHP EXIF extension is required to use the ExifMetadataReader';
         }
-        if (!in_array('data', stream_get_wrappers(), true)) {
-            return 'The data:// stream wrapper must be enabled';
-        }
-        if (in_array(ini_get('allow_url_fopen'), array('', '0', 0), true)) {
-            return 'The allow_url_fopen php.ini configuration key must be set to 1';
+
+        if (PHP_VERSION_ID < 70200) {
+            if (!in_array('data', stream_get_wrappers(), true)) {
+                return 'The data:// stream wrapper must be enabled';
+            }
+            if (in_array(ini_get('allow_url_fopen'), array('', '0', 0), true)) {
+                return 'The allow_url_fopen php.ini configuration key must be set to 1';
+            }
         }
 
         return '';
@@ -107,6 +110,14 @@ protected function extractFromStream($resource)
      */
     private function doReadData($data)
     {
+        if (PHP_VERSION_ID >= 70200) {
+            $stream = fopen('php://memory', 'r+');
+            fwrite($stream, $data);
+            rewind($stream);
+
+            return $this->extract($stream);
+        }
+
         if (substr($data, 0, 2) === 'II') {
             $mime = 'image/tiff';
         } else {
@@ -117,9 +128,9 @@ private function doReadData($data)
     }
 
     /**
-     * Performs the exif data extraction given a path or data-URI representation.
+     * Performs the exif data extraction given a path, data-URI representation or stream.
      *
-     * @param string $path the path to the file or the data-URI representation
+     * @param string|resource $path the path to the file, the data-URI representation or a stream
      *
      * @return array
      */