diff options
Diffstat (limited to 'apps/files_external/lib/Lib/Storage/SFTPReadStream.php')
| -rw-r--r-- | apps/files_external/lib/Lib/Storage/SFTPReadStream.php | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/apps/files_external/lib/Lib/Storage/SFTPReadStream.php b/apps/files_external/lib/Lib/Storage/SFTPReadStream.php index 7a53f41aa61..aaae811c57b 100644 --- a/apps/files_external/lib/Lib/Storage/SFTPReadStream.php +++ b/apps/files_external/lib/Lib/Storage/SFTPReadStream.php @@ -50,6 +50,7 @@ class SFTPReadStream implements File { private $buffer = ''; private bool $pendingRead = false; + private int $size = 0; public static function register($protocol = 'sftpread') { if (in_array($protocol, stream_get_wrappers(), true)) { @@ -76,6 +77,9 @@ class SFTPReadStream implements File { } else { throw new \BadMethodCallException('Invalid context, session not set'); } + if (isset($context['size'])) { + $this->size = $context['size']; + } return $context; } @@ -119,7 +123,25 @@ class SFTPReadStream implements File { } public function stream_seek($offset, $whence = SEEK_SET) { - return false; + switch ($whence) { + case SEEK_SET: + $this->seekTo($offset); + break; + case SEEK_CUR: + $this->seekTo($this->readPosition + $offset); + break; + case SEEK_END: + $this->seekTo($this->size + $offset); + break; + } + return true; + } + + private function seekTo(int $offset) { + $this->internalPosition = $offset; + $this->readPosition = $offset; + $this->buffer = ''; + $this->request_chunk(256 * 1024); } public function stream_tell() { @@ -143,6 +165,10 @@ class SFTPReadStream implements File { } private function request_chunk($size) { + if ($this->pendingRead) { + $this->sftp->_get_sftp_packet(); + } + $packet = pack('Na*N3', strlen($this->handle), $this->handle, $this->internalPosition / 4294967296, $this->internalPosition, $size); $this->pendingRead = true; return $this->sftp->_send_sftp_packet(NET_SFTP_READ, $packet); |