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Merge pull request #348 from terrafrost/more-sftp-changes

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More sftp changes

* terrafrost/more-sftp-changes:
  SFTP: NULL -> null
  SFTP: fix syntax error
  SFTP: add more stat functions
This commit is contained in:
Andreas Fischer 2014-05-28 00:02:20 +02:00
commit fc57e3f9c9
2 changed files with 140 additions and 46 deletions
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185
phpseclib/Net/SFTP.php
View File

@ -538,7 +538,7 @@ class Net_SFTP extends Net_SSH2
}
/**
* Disable the cache
* Disable the stat cache
*
* @access public
*/
@ -548,7 +548,7 @@ class Net_SFTP extends Net_SSH2
}
/**
* Enable the cache
* Enable the stat cache
*
* @access public
*/
@ -557,6 +557,16 @@ class Net_SFTP extends Net_SSH2
$this->use_stat_cache = true;
}
/**
* Clear the stat cache
*
* @access public
*/
function clearStatCache()
{
$this->stat_cache = array();
}
/**
* Returns the current directory name
*
@ -934,7 +944,7 @@ class Net_SFTP extends Net_SSH2
* Save files / directories to cache
*
* @param String $path
* @param optional Boolean $file
* @param Mixed $value
* @access private
*/
function _update_stat_cache($path, $value)
@ -958,7 +968,7 @@ class Net_SFTP extends Net_SSH2
* Remove files / directories from cache
*
* @param String $path
* @param optional Boolean $file
* @return Boolean
* @access private
*/
function _remove_from_stat_cache($path)
@ -994,7 +1004,7 @@ class Net_SFTP extends Net_SSH2
$temp = &$this->stat_cache;
foreach ($dirs as $dir) {
if (!isset($temp[$dir])) {
return false;
return null;
}
$temp = &$temp[$dir];
}
@ -1543,7 +1553,7 @@ class Net_SFTP extends Net_SSH2
// the following will do a soft delete, which would be useful if you deleted a file
// and then tried to do a stat on the deleted file. the above, in contrast, does
// a hard delete
//$this->_update_stat_cache($dir, 0);
//$this->_update_stat_cache($dir, false);
return true;
}
@ -1599,6 +1609,8 @@ class Net_SFTP extends Net_SSH2
return false;
}
$this->_remove_from_stat_cache($remote_file);
$flags = NET_SFTP_OPEN_WRITE | NET_SFTP_OPEN_CREATE;
// according to the SFTP specs, NET_SFTP_OPEN_APPEND should "force all writes to append data at the end of the file."
// in practice, it doesn't seem to do that.
@ -2004,9 +2016,9 @@ class Net_SFTP extends Net_SSH2
$result = $this->_query_stat_cache($path);
if ($result !== false) {
if (isset($result)) {
// return true if $result is an array or if it's int(1)
return $result !== 0;
return $result !== false;
}
}
@ -2022,19 +2034,11 @@ class Net_SFTP extends Net_SSH2
*/
function is_dir($path)
{
if ($this->use_stat_cache) {
$path = $this->_realpath($path);
$result = $this->_query_stat_cache($path);
if (is_object($result) && isset($result->type)) {
return $result->type === NET_SFTP_TYPE_DIRECTORY;
}
$result = $this->_get_stat_cache_prop($path, 'type');
if ($result === false) {
return false;
}
$result = $this->stat($path);
return $result['type'] === NET_SFTP_TYPE_DIRECTORY;
return $result === NET_SFTP_TYPE_DIRECTORY;
}
/**
@ -2046,19 +2050,11 @@ class Net_SFTP extends Net_SSH2
*/
function is_file($path)
{
if ($this->use_stat_cache) {
$path = $this->_realpath($path);
$result = $this->_query_stat_cache($path);
if (is_object($result) && isset($result->type)) {
return $result->type === NET_SFTP_TYPE_REGULAR;
}
$result = $this->_get_stat_cache_prop($path, 'type');
if ($result === false) {
return false;
}
$result = $this->stat($path);
return $result['type'] === NET_SFTP_TYPE_REGULAR;
return $result === NET_SFTP_TYPE_REGULAR;
}
/**
@ -2070,43 +2066,139 @@ class Net_SFTP extends Net_SSH2
*/
function is_link($path)
{
if ($this->use_stat_cache) {
$path = $this->_realpath($path);
$result = $this->_query_stat_cache($path);
if (is_object($result) && isset($result->type)) {
return $result->type === NET_SFTP_TYPE_SYMLINK;
}
$result = $this->_get_stat_cache_prop($path, 'type');
if ($result === false) {
return false;
}
return $result === NET_SFTP_TYPE_SYMLINK;
}
$result = $this->stat($path);
/**
* Gets last access time of file
*
* @param String $path
* @return Mixed
* @access public
*/
function fileatime($path)
{
return $this->_get_stat_cache_prop($path, 'atime');
}
return $result['type'] === NET_SFTP_TYPE_SYMLINK;
/**
* Gets file modification time
*
* @param String $path
* @return Mixed
* @access public
*/
function filemtime($path)
{
return $this->_get_stat_cache_prop($path, 'mtime');
}
/**
* Gets file permissions
*
* @param String $path
* @return Mixed
* @access public
*/
function fileperms($path)
{
return $this->_get_stat_cache_prop($path, 'permissions');
}
/**
* Gets file owner
*
* @param String $path
* @return Mixed
* @access public
*/
function fileowner($path)
{
return $this->_get_stat_cache_prop($path, 'uid');
}
/**
* Gets file group
*
* @param String $path
* @return Mixed
* @access public
*/
function filegroup($path)
{
return $this->_get_stat_cache_prop($path, 'gid');
}
/**
* Gets file size
*
* @param String $path
* @return Boolean
* @return Mixed
* @access public
*/
function filesize($path)
{
return $this->_get_stat_cache_prop($path, 'size');
}
/**
* Gets file type
*
* @param String $path
* @return Mixed
* @access public
*/
function filetype($path)
{
$type = $this->_get_stat_cache_prop($path, 'type');
if ($type === false) {
return false;
}
switch ($type) {
case NET_SFTP_BLOCK_DEVICE: return 'block';
case NET_SFTP_TYPE_CHAR_DEVICE: return 'char';
case NET_SFTP_TYPE_DIRECTORY: return 'dir';
case NET_SFTP_TYPE_FIFO: return 'fifo';
case NET_SFTP_TYPE_REGULAR: return 'file';
case NET_SFTP_TYPE_SYMLINK: return 'link';
default: return false;
}
}
/**
* Return a stat properity
*
* Uses cache if appropriate.
*
* @param String $path
* @param String $prop
* @return Mixed
* @access private
*/
function _get_stat_cache_prop($path, $prop)
{
if ($this->use_stat_cache) {
$path = $this->_realpath($path);
$result = $this->_query_stat_cache($path);
if (is_object($result) && isset($result->size)) {
return $result->size;
if (is_object($result) && isset($result->$prop)) {
return $result->$prop;
}
}
$result = $this->stat($path);
return $result['size'];
if ($result === false || !isset($result[$prop])) {
return false;
}
return $result[$prop];
}
/**
@ -2152,6 +2244,7 @@ class Net_SFTP extends Net_SSH2
// atime and mtime attributes
//$this->_update_stat_cache($newname, $this->_query_stat_cache($oldname));
$this->_remove_from_stat_cache($oldname);
$this->_remove_from_stat_cache($newname);
return true;
}

1
phpseclib/Net/SFTP/Stream.php
View File

@ -209,6 +209,7 @@ class Net_SFTP_Stream
$this->sftp = self::$instances[$host][$port][$user][(string) $pass];
} else {
$this->sftp = new Net_SFTP($host, $port);
$this->sftp->disableStatCache();
if (isset($this->notification) && is_callable($this->notification)) {
/* if !is_callable($this->notification) we could do this: