X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FImages.php;h=d7a58b52aa7faeaf3a275488412c4139405a80e8;hb=093dd70e790def206d6f7d48cfac095c29eb10a5;hp=cd4704dcee068018ec0f1a4c4b8a701930e257f6;hpb=e56a53647bd5469551bf4f9ef2df50a5dd16b943;p=friendica.git

diff --git a/src/Util/Images.php b/src/Util/Images.php
index cd4704dcee..d7a58b52aa 100644
--- a/src/Util/Images.php
+++ b/src/Util/Images.php
@@ -46,6 +46,30 @@ class Images
 		return $m;
 	}
 
+	/**
+	 * Return file extension for mime type
+	 * @param string $mimetype
+	 * @return string
+	 */
+	public static function getExtensionByMimeType(string $mimetype): string
+	{
+		switch ($mimetype) {
+			case 'image/png':
+				$imagetype = IMAGETYPE_PNG;
+				break;
+
+			case 'image/gif':
+				$imagetype = IMAGETYPE_GIF;
+				break;
+
+			default:
+				$imagetype = IMAGETYPE_JPEG;
+				break;
+		}
+
+		return image_type_to_extension($imagetype);
+	}
+
 	/**
 	 * Returns supported image mimetypes and corresponding file extensions
 	 *
@@ -160,12 +184,14 @@ class Images
 			return $data;
 		}
 
-		$data = DI::cache()->get($url);
+		$cacheKey = 'getInfoFromURL:' . sha1($url);
+
+		$data = DI::cache()->get($cacheKey);
 
 		if (empty($data) || !is_array($data)) {
 			$data = self::getInfoFromURL($url);
 
-			DI::cache()->set($url, $data);
+			DI::cache()->set($cacheKey, $data);
 		}
 
 		return $data;