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SFTP: Add touch function

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Also make it so chmod will auto-switch the filename / permissions if they're not in the "right" order (PHP's chmod and ftp_chmod order them differently from each other so this'll make phpseclib consistent with both)
This commit is contained in:
terrafrost 2013-02-14 12:10:36 -06:00
parent faaa52774f
commit 25c7e7bd96
1 changed files with 95 additions and 1 deletions
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96
phpseclib/Net/SFTP.php
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@ -329,7 +329,8 @@ class Net_SFTP extends Net_SSH2 {
0x00000002 => 'NET_SFTP_OPEN_WRITE',
0x00000004 => 'NET_SFTP_OPEN_APPEND',
0x00000008 => 'NET_SFTP_OPEN_CREATE',
0x00000010 => 'NET_SFTP_OPEN_TRUNCATE'
0x00000010 => 'NET_SFTP_OPEN_TRUNCATE',
0x00000020 => 'NET_SFTP_OPEN_EXCL'
);
// http://tools.ietf.org/html/draft-ietf-secsh-filexfer-04#section-5.2
// see Net_SFTP::_parseLongname() for an explanation
@ -1050,6 +1051,92 @@ class Net_SFTP extends Net_SSH2 {
return isset($result['size']) ? $result['size'] : -1;
}
/**
* Sets access and modification time of file.
*
* If the file does not exist, it will be created.
*
* @param String $filename
* @param optional Integer $time
* @param optional Integer $atime
* @return Boolean
* @access public
*/
function touch($filename, $time = NULL, $atime = NULL)
{
if (!($this->bitmap & NET_SSH2_MASK_LOGIN)) {
return false;
}
$filename = $this->_realpath($filename);
if ($filename === false) {
return false;
}
if (!isset($time)) {
$time = time();
}
if (!isset($atime)) {
$atime = $time;
}
$flags = NET_SFTP_OPEN_CREATE | NET_SFTP_OPEN_EXCL;
$attr = pack('N3', NET_SFTP_ATTR_ACCESSTIME, $time, $atime);
$packet = pack('Na*N2', strlen($filename), $filename, $flags, $attr);
if (!$this->_send_sftp_packet(NET_SFTP_OPEN, $packet)) {
return false;
}
$response = $this->_get_sftp_packet();
switch ($this->packet_type) {
case NET_SFTP_HANDLE:
$handle = substr($response, 4);
if (!$this->_send_sftp_packet(NET_SFTP_CLOSE, pack('Na*', strlen($handle), $handle))) {
return false;
}
$response = $this->_get_sftp_packet();
if ($this->packet_type != NET_SFTP_STATUS) {
user_error('Expected SSH_FXP_STATUS');
return false;
}
extract(unpack('Nstatus', $this->_string_shift($response, 4)));
if ($status != NET_SFTP_STATUS_OK) {
$this->_logError($response, $status);
return false;
}
return true;
case NET_SFTP_STATUS:
$this->_logError($response);
break;
default:
user_error('Expected SSH_FXP_HANDLE or SSH_FXP_STATUS');
return false;
}
$attr = pack('N3', NET_SFTP_ATTR_ACCESSTIME, $time, $atime);
if (!$this->_send_sftp_packet(NET_SFTP_SETSTAT, pack('Na*a*', strlen($filename), $filename, $attr))) {
return false;
}
$response = $this->_get_sftp_packet();
if ($this->packet_type != NET_SFTP_STATUS) {
user_error('Expected SSH_FXP_STATUS');
return false;
}
extract(unpack('Nstatus', $this->_string_shift($response, 4)));
if ($status != NET_SFTP_STATUS_OK) {
$this->_logError($response, $status);
return false;
}
return true;
}
/**
* Set permissions on a file.
*
@ -1057,6 +1144,7 @@ class Net_SFTP extends Net_SSH2 {
*
* @param Integer $mode
* @param String $filename
* @param optional Boolean $recursive
* @return Mixed
* @access public
*/
@ -1066,6 +1154,12 @@ class Net_SFTP extends Net_SSH2 {
return false;
}
if (is_string($mode) && is_int($filename)) {
$temp = $mode;
$mode = $filename;
$filename = $temp;
}
$filename = $this->_realpath($filename);
if ($filename === false) {
return false;