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Merge pull request #709 from terrafrost/stat-cache-fix-1.0

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SFTP: stat cache updates

* terrafrost/stat-cache-fix-1.0:
  SFTP: stat cache updates
This commit is contained in:
Andreas Fischer 2015-06-22 01:18:57 +02:00
commit 6789b945d0
2 changed files with 90 additions and 17 deletions
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70
phpseclib/Net/SFTP.php
View File

@ -901,7 +901,7 @@ class Net_SFTP extends Net_SSH2
} else {
$temp = $dir . '/' . $shortname;
}
$this->_update_stat_cache($temp, (object) $attributes);
$this->_update_stat_cache($temp, (object) array('stat' => $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.
@ -1072,6 +1072,14 @@ class Net_SFTP extends Net_SSH2
$temp[$dir] = array();
}
if ($i === $max) {
if (is_object($temp[$dir])) {
if (!isset($value->stat) && isset($temp[$dir]->stat)) {
$value->stat = $temp[$dir]->stat;
}
if (!isset($value->lstat) && isset($temp[$dir]->lstat)) {
$value->lstat = $temp[$dir]->lstat;
}
}
$temp[$dir] = $value;
break;
}
@ -1150,10 +1158,10 @@ class Net_SFTP extends Net_SSH2
if ($this->use_stat_cache) {
$result = $this->_query_stat_cache($filename);
if (is_array($result) && isset($result['.'])) {
return (array) $result['.'];
return $result['.']->stat;
}
if (is_object($result)) {
return (array) $result;
if (is_object($result) && isset($result->stat)) {
return $result->stat;
}
}
@ -1166,7 +1174,7 @@ class Net_SFTP extends Net_SSH2
if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) {
$filename.= '/.';
}
$this->_update_stat_cache($filename, (object) $stat);
$this->_update_stat_cache($filename, (object) array('stat' => $stat));
return $stat;
}
@ -1179,7 +1187,7 @@ class Net_SFTP extends Net_SSH2
if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) {
$filename.= '/.';
}
$this->_update_stat_cache($filename, (object) $stat);
$this->_update_stat_cache($filename, (object) array('stat' => $stat));
return $stat;
}
@ -1207,10 +1215,10 @@ class Net_SFTP extends Net_SSH2
if ($this->use_stat_cache) {
$result = $this->_query_stat_cache($filename);
if (is_array($result) && isset($result['.'])) {
return (array) $result['.'];
return $result['.']->lstat;
}
if (is_object($result)) {
return (array) $result;
if (is_object($result) && isset($result->lstat)) {
return $result->lstat;
}
}
@ -1223,7 +1231,7 @@ class Net_SFTP extends Net_SSH2
if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) {
$filename.= '/.';
}
$this->_update_stat_cache($filename, (object) $lstat);
$this->_update_stat_cache($filename, (object) array('lstat' => $lstat));
return $lstat;
}
@ -1231,7 +1239,7 @@ class Net_SFTP extends Net_SSH2
if ($lstat != $stat) {
$lstat = array_merge($lstat, array('type' => NET_SFTP_TYPE_SYMLINK));
$this->_update_stat_cache($filename, (object) $lstat);
$this->_update_stat_cache($filename, (object) array('lstat' => $lstat));
return $stat;
}
@ -1244,7 +1252,7 @@ class Net_SFTP extends Net_SSH2
if ($lstat['type'] == NET_SFTP_TYPE_DIRECTORY) {
$filename.= '/.';
}
$this->_update_stat_cache($filename, (object) $lstat);
$this->_update_stat_cache($filename, (object) array('lstat' => $lstat));
return $lstat;
}
@ -2303,7 +2311,7 @@ class Net_SFTP extends Net_SSH2
*/
function is_link($path)
{
$result = $this->_get_stat_cache_prop($path, 'type');
$result = $this->_get_lstat_cache_prop($path, 'type');
if ($result === false) {
return false;
}
@ -2418,18 +2426,48 @@ class Net_SFTP extends Net_SSH2
* @access private
*/
function _get_stat_cache_prop($path, $prop)
{
return $this->_get_xstat_cache_prop($path, $prop, 'stat');
}
/**
* Return an lstat properity
*
* Uses cache if appropriate.
*
* @param String $path
* @param String $prop
* @return Mixed
* @access private
*/
function _get_lstat_cache_prop($path, $prop)
{
return $this->_get_xstat_cache_prop($path, $prop, 'lstat');
}
/**
* Return a stat or lstat properity
*
* Uses cache if appropriate.
*
* @param String $path
* @param String $prop
* @return Mixed
* @access private
*/
function _get_xstat_cache_prop($path, $prop, $type)
{
if ($this->use_stat_cache) {
$path = $this->_realpath($path);
$result = $this->_query_stat_cache($path);
if (is_object($result) && isset($result->$prop)) {
return $result->$prop;
if (is_object($result) && isset($result->$type)) {
return $result->{$type}[$prop];
}
}
$result = $this->stat($path);
$result = $this->$type($path);
if ($result === false || !isset($result[$prop])) {
return false;

37
tests/Functional/Net/SFTPUserStoryTest.php
View File

@ -167,7 +167,6 @@ class Functional_Net_SFTPUserStoryTest extends PhpseclibFunctionalTestCase
return $sftp;
}
/**
* @depends testStatOnDir
*/
@ -382,6 +381,42 @@ class Functional_Net_SFTPUserStoryTest extends PhpseclibFunctionalTestCase
/**
* @depends testSymlink
*/
public function testStatLstatCache($sftp)
{
$stat = $sftp->stat('symlink');
$lstat = $sftp->lstat('symlink');
$this->assertNotEquals(
$stat, $lstat,
'Failed asserting that stat and lstat returned different output for a symlink'
);
return $sftp;
}
/**
* @depends testStatLstatCache
*/
public function testLinkFile($sftp)
{
$this->assertTrue(
$sftp->is_link('symlink'),
'Failed asserting that symlink is a link'
);
$this->assertTrue(
$sftp->is_file('symlink'),
'Failed asserting that symlink is a file'
);
$this->assertFalse(
$sftp->is_dir('symlink'),
'Failed asserting that symlink is not a directory'
);
return $sftp;
}
/**
* @depends testLinkFile
*/
public function testReadlink($sftp)
{
$this->assertInternalType('string', $sftp->readlink('symlink'),