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SFTP: stat cache updates

This commit is contained in:
terrafrost 2014-05-21 10:20:36 -05:00
parent 7d2a3279c6
commit 4d9214970b
1 changed files with 23 additions and 37 deletions
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60
phpseclib/Net/SFTP.php
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@ -877,7 +877,12 @@ class Net_SFTP extends Net_SSH2
if (isset($attributes['type']) && $attributes['type'] == NET_SFTP_TYPE_DIRECTORY && ($shortname != '.' && $shortname != '..')) {
$this->_update_stat_cache($dir . '/' . $shortname, array());
} else {
$this->_update_stat_cache($dir . '/' . $shortname, (object) $attributes);
if ($shortname == '..') {
$temp = $this->_realpath($dir . '/..') . '/.';
} else {
$temp = $dir . '/' . $shortname;
}
$this->_update_stat_cache($temp, (object) $attributes);
}
// SFTPv6 has an optional boolean end-of-list field, but we'll ignore that, since the
// final SSH_FXP_STATUS packet should tell us that, already.
@ -918,12 +923,11 @@ class Net_SFTP extends Net_SSH2
return false;
}
$filename = $this->_realpath($filename);
if ($filename === false) {
$result = $this->stat($filename);
if ($result === false) {
return false;
}
return $this->_size($filename);
return isset($result['size']) ? $result['size'] : -1;
}
/**
@ -1019,10 +1023,10 @@ class Net_SFTP extends Net_SSH2
if ($this->use_stat_cache) {
$result = $this->_query_stat_cache($filename);
if (is_array($result)) {
if (is_array($result) && isset($result['.'])) {
return (array) $result['.'];
}
if ($result !== false) {
if (is_object($result)) {
return (array) $result;
}
}
@ -1033,7 +1037,7 @@ class Net_SFTP extends Net_SSH2
return false;
}
if (isset($stat['type'])) {
$this->_update_stat_cache($filename, $stat);
$this->_update_stat_cache($filename, (object) $stat);
return $stat;
}
@ -1043,7 +1047,7 @@ class Net_SFTP extends Net_SSH2
NET_SFTP_TYPE_REGULAR;
$this->pwd = $pwd;
$this->_update_stat_cache($filename, $stat);
$this->_update_stat_cache($filename, (object) $stat);
return $stat;
}
@ -1070,10 +1074,10 @@ class Net_SFTP extends Net_SSH2
if ($this->use_stat_cache) {
$result = $this->_query_stat_cache($filename);
if (is_array($result)) {
if (is_array($result) && isset($result['.'])) {
return (array) $result['.'];
}
if ($result !== false) {
if (is_object($result)) {
return (array) $result;
}
}
@ -1083,7 +1087,7 @@ class Net_SFTP extends Net_SSH2
return false;
}
if (isset($lstat['type'])) {
$this->_update_stat_cache($filename, $lstat);
$this->_update_stat_cache($filename, (object) $lstat);
return $lstat;
}
@ -1091,7 +1095,7 @@ class Net_SFTP extends Net_SSH2
if ($lstat != $stat) {
$lstat = array_merge($lstat, array('type' => NET_SFTP_TYPE_SYMLINK));
$this->_update_stat_cache($filename, $lstat);
$this->_update_stat_cache($filename, (object) $lstat);
return $stat;
}
@ -1101,7 +1105,7 @@ class Net_SFTP extends Net_SSH2
NET_SFTP_TYPE_REGULAR;
$this->pwd = $pwd;
$this->_update_stat_cache($filename, $lstat);
$this->_update_stat_cache($filename, (object) $lstat);
return $lstat;
}
@ -1138,24 +1142,6 @@ class Net_SFTP extends Net_SSH2
return false;
}
/**
* Returns the file size, in bytes, or false, on failure
*
* Determines the size without calling Net_SFTP::_realpath()
*
* @param String $filename
* @return Mixed
* @access private
*/
function _size($filename)
{
$result = $this->_stat($filename, NET_SFTP_STAT);
if ($result === false) {
return false;
}
return isset($result['size']) ? $result['size'] : -1;
}
/**
* Truncates a file to a given length
*
@ -1609,7 +1595,7 @@ class Net_SFTP extends Net_SSH2
$offset = $start;
} elseif ($mode & NET_SFTP_RESUME) {
// if NET_SFTP_OPEN_APPEND worked as it should _size() wouldn't need to be called
$size = $this->_size($remote_file);
$size = $this->size($remote_file);
$offset = $size !== false ? $size : 0;
} else {
$offset = 0;
@ -2028,8 +2014,8 @@ class Net_SFTP extends Net_SSH2
$result = $this->_query_stat_cache($path);
if ($result !== false) {
return is_array($result);
if (is_object($result) && isset($result->type)) {
return $result->type === NET_SFTP_TYPE_DIRECTORY;
}
}
@ -2052,8 +2038,8 @@ class Net_SFTP extends Net_SSH2
$result = $this->_query_stat_cache($path);
if ($result !== false) {
return !is_array($result);
if (is_object($result) && isset($result->type)) {
return $result->type === NET_SFTP_TYPE_REGULAR;
}
}