diff options
Diffstat (limited to 'lib/public/Files.php')
| -rw-r--r-- | lib/public/Files.php | 38 |
1 files changed, 34 insertions, 4 deletions
diff --git a/lib/public/Files.php b/lib/public/Files.php index b12aa463f1a..3df3152b0ef 100644 --- a/lib/public/Files.php +++ b/lib/public/Files.php @@ -85,15 +85,45 @@ class Files { /** * Copy the contents of one stream to another + * + * @template T of null|true * @param resource $source * @param resource $target - * @return int the number of bytes copied + * @param T $includeResult + * @return int|array + * @psalm-return (T is true ? array{0: int, 1: bool} : int) * @since 5.0.0 + * @since 32.0.0 added $includeResult parameter * @deprecated 14.0.0 */ - public static function streamCopy($source, $target) { - [$count, ] = \OC_Helper::streamCopy($source, $target); - return $count; + public static function streamCopy($source, $target, ?bool $includeResult = null) { + if (!$source or !$target) { + return $includeResult ? [0, false] : 0; + } + + $bufSize = 8192; + $count = 0; + $result = true; + while (!feof($source)) { + $buf = fread($source, $bufSize); + if ($buf === false) { + $result = false; + break; + } + + $bytesWritten = fwrite($target, $buf); + if ($bytesWritten !== false) { + $count += $bytesWritten; + } + + if ($bytesWritten === false + || ($bytesWritten < $bufSize && $bytesWritten < strlen($buf)) + ) { + $result = false; + break; + } + } + return $includeResult ? [$count, $result] : $count; } /** |