=') &&
version_compare(phpversion(), '5.0.4', '<'))) {
$templateData['check'][] =
array('title' => _('PHP version >= 4.1.0 or >= 5.0.4'),
'error' => true,
'notice' => sprintf(_("Error: Gallery 2 requires PHP version 4.1.0 or newer or 5.0.4 or newer. You have PHP version %s installed. Contact your webserver administrator to request an upgrade, available at the %sPHP website%s."), phpversion(), '', ''));
$failCount++;
} else {
$templateData['check'][] =
array('title' => _('PHP Version'), 'success' => true);
}
/* assert that __FILE__ works correctly */
if (!SystemChecksStep::CheckFileDirective()) {
$templateData['check'][] =
array('title' => _('FILE directive supported'),
'error' => true,
'notice' => _('Error: your PHP __FILE__ directive is not functioning correctly. Please file a support request with your webserver administrator or in the Gallery forums.'));
$failCount++;
} else {
$templateData['check'][] =
array('title' => _('FILE Directive'), 'success' => true);
}
/* Make sure that safe mode is not enabled */
if (GalleryUtilities::getPhpIniBool('safe_mode')) {
$templateData['check'][] =
array('title' => _('Safe mode disabled'),
'error' => true,
'notice' => _('Error: Your version of PHP is configured with safe mode enabled. You must disable safe mode before Gallery will run.'));
$failCount++;
} else {
$templateData['check'][] =
array('title' => _('Safe Mode'), 'success' => true);
}
/* Warning when exec() is disabled */
if (in_array('exec', split(',\s*', ini_get('disable_functions')))) {
$templateData['check'][] =
array('title' => _('exec() allowed'),
'warning' => true,
'notice' => _('Warning: The exec() function is disabled in your php by the disabled_functions parameter in php.ini. You won\'t be able to use modules that require external binaries (e.g. ImageMagick, NetPBM or Ffmpeg). This can only be set server-wide, so you will need to change it in the global php.ini.'),
);
} else {
$templateData['check'][] =
array('title' => _('exec() allowed'), 'success' => true);
}
/* Warning when set_time_limit() is disabled */
if (in_array('set_time_limit', split(',\s*', ini_get('disable_functions')))) {
$timeLimit = ini_get('max_execution_time');
$templateData['check'][] =
array('title' => _('set_time_limit() allowed'),
'warning' => true,
'notice' => sprintf(_('Warning: The set_time_limit() function is disabled in your php by the disabled_functions parameter in php.ini. Gallery can function with this setting, but it will not operate reliably. Any operation that takes longer than %d seconds will fail (and in some cases just return a blank page) possibly leading to data corruption.'), $timeLimit),
);
} else {
$templateData['check'][] =
array('title' => _('set_time_limit() allowed'), 'success' => true);
}
/* Warning if memory_limit is set and is too low */
$memoryLimit = ini_get('memory_limit');
$title = sprintf('%s (%s)', _('Memory limit'), ($memoryLimit == '' ? _('no limit') : $memoryLimit . 'b'));
$minimumMemoryLimit = 16;
if ($memoryLimit != '' && ($this->_getBytes($memoryLimit) / (1024 * 1024)) < $minimumMemoryLimit) {
$templateData['check'][] =
array('title' => $title,
'warning' => true,
'notice' => sprintf(_('Warning: Your PHP is configured to limit the memory to %sb (memory_limit parameter in php.ini). You should raise this limit to at least %sMB for proper Gallery operation.'), $memoryLimit, $minimumMemoryLimit),
);
$suggestedHtaccess[] = sprintf('php_value memory_limit %sM', $minimumMemoryLimit);
} else {
$templateData['check'][] =
array('title' => $title, 'success' => true);
}
/* Warning if file_uploads are not allowed */
if (! GalleryUtilities::getPhpIniBool('file_uploads')) {
$templateData['check'][] =
array('title' => _('File uploads allowed'),
'warning' => true,
'notice' => _('Warning: Your PHP is configured not to allow file uploads (file_uploads parameter in php.ini). You will need to enable this option if you want to upload files to your Gallery with a web browser.'),
);
$suggestedHtaccess[] = 'php_flag file_uploads on';
} else {
$templateData['check'][] =
array('title' => _('File uploads allowed'), 'success' => true);
}
/* Warning if upload_max_filesize is less than 2M */
$title = sprintf('%s (%sb)', _('Maximum upload size'), ini_get('upload_max_filesize'));
$minimumUploadsize = 2;
$uploadSize = $this->_getBytes(ini_get('upload_max_filesize')) / (1024 * 1024);
if ($uploadSize < $minimumUploadsize) {
$templateData['check'][] =
array('title' => $title,
'warning' => true,
'notice' => sprintf(_('Warning: Your PHP is configured to limit the size of file uploads to %sb (upload_max_filesize parameter in php.ini). You should rise this limit to allow uploading bigger files.'), ini_get('upload_max_filesize')),
);
$suggestedHtaccess[] = sprintf('php_value upload_max_filesize %sM', $minimumUploadsize);
} else {
$templateData['check'][] =
array('title' => $title, 'success' => true);
}
/* Warning if post_max_size is less than 2M */
$title = sprintf('%s (%sb)', _('Maximum POST size'), ini_get('post_max_size'));
$minimumPostsize = 2;
if ((int)ini_get('post_max_size') < $minimumPostsize) {
$templateData['check'][] =
array('title' => $title,
'warning' => true,
'notice' => sprintf(_('Warning: Your PHP is configured to limit the post data to a maximum of %sb (post_max_size parameter in php.ini). You should raise this limit to allow uploading bigger files.'), ini_get('post_max_size')),
);
$suggestedHtaccess[] = sprintf('php_value post_max_size %sM', $minimumPostsize);
} else {
$templateData['check'][] =
array('title' => $title, 'success' => true);
}
/* $x=$x[0] <--(an object) can crash PHP with zend.ze1_compatibility_mode ON */
if (GalleryUtilities::getPhpIniBool('zend.ze1_compatibility_mode')) {
$templateData['check'][] =
array('title' => _('Zend compatibility mode'),
'warning' => true,
'notice' => sprintf(_('Warning: Your PHP is configured with Zend ze1_compatibility_mode which can cause PHP to crash. Click here to test your PHP. If you see "SUCCESS" then your PHP is ok. If you get an error then you must turn off ze1_compatibility_mode before proceeding.'), 'index.php?step=' . $this->_stepNumber . '&zendtest=1'),
);
} /* skip showing 'success' for this one */
/* Check if the files and dirs in the storage dir are (still) writeable */
$title = _('Storage Directory Permissions');
if (!SystemChecksStep::CheckFileDirective()) {
$templateData['check'][] =
array('title' => $title,
'warning' => true,
'notice' => _('Test skipped due to other errors.'));
} else if (!SystemChecksStep::CheckStorageDirectory()) {
$templateData['check'][] =
array('title' => $title,
'error' => true,
'notice' => sprintf(_('Error: Some files and or directories in your storage directory are not writeable by the webserver user. Run chown -R webserverUser %s OR run chmod -R 777 %s.'),
$gallery->getConfig('data.gallery.base'),
$gallery->getConfig('data.gallery.base'))
);
$failCount++;
} else {
$templateData['check'][] =
array('title' => $title, 'success' => true);
}
/* Check all files against MANIFEST */
$title = _('Gallery file integrity');
if (!SystemChecksStep::CheckFileDirective()) {
$templateData['check'][] =
array('title' => $title,
'warning' => true,
'notice' => _('Test skipped due to other errors.'));
} else {
$isCvsInstall = file_exists(dirname(__FILE__) . '/CVS');
$manifest = SystemChecksStep::CheckManifest();
if (!isset($manifest)) {
$templateData['check'][] =
array('title' => $title,
'warning' => true,
'notice' => _('Manifest missing or inaccessible.'));
} else if (empty($manifest['missing']) && empty($manifest['modified'])
&& empty($manifest['shouldRemove'])) {
$templateData['check'][] = array('title' => $title, 'success' => true);
} else {
ob_start();
include(dirname(__FILE__) . '/../templates/ManifestSystemCheck.html');
$notice = ob_get_contents();
ob_end_clean();
$templateData['check'][] =
array('title' => $title,
'warning' => true,
'notice' => $notice);
}
}
$templateData['suggestedHtaccess'] = join("\n", $suggestedHtaccess);
$templateData['bodyFile'] = 'SystemChecks.html';
$this->setComplete($failCount == 0);
$this->setInError($failCount > 0);
}
function CheckFileDirective() {
if (strstr(__FILE__, 'upgrade/steps/SystemChecksStep.class') ||
strstr(__FILE__, '\\upgrade\\steps\\SystemChecksStep.class')) {
return true;
} else {
return false;
}
}
/* Check if the files / dirs in the storage directory are writeable */
function CheckStorageDirectory() {
global $gallery;
$storagePath = $gallery->getConfig('data.gallery.base');
$platform = $gallery->getPlatform();
if (empty($storagePath)) {
return false;
} else if ($storagePath{strlen($storagePath)-1} != $platform->getDirectorySeparator()) {
$storagePath .= $platform->getDirectorySeparator();
}
/* An exhaustive test would take too long, test a few dirs / files */
foreach (array('.', 'versions.dat', 'albums') as $path) {
$path = $storagePath . $path;
if (!$platform->file_exists($path) || !$platform->is_readable($path) ||
!$platform->is_writeable($path)) {
return false;
}
}
/* Check up to 200 other files */
$tested = 0;
$max = 200;
$storagePath = substr($storagePath, 0, strlen($storagePath)-1);
return SystemChecksStep::_checkStorageSubDirectory($storagePath, $tested, $max);
}
/**
* Check up to $max files / dirs in a directory tree if they are still read/writeable
*
* @param string directory
* @param integer number of already tested files / dirs
* @param integer max files/dirs to check
* @return boolean success
*/
function _checkStorageSubDirectory($dirname, &$tested, $max) {
global $gallery;
$platform = $gallery->getPlatform();
if (!($fd = $platform->opendir($dirname))) {
return false;
}
while (($filename = $platform->readdir($fd)) !== false && $tested < $max) {
if (!strcmp($filename, '.') || !strcmp($filename, '..')) {
continue;
}
$tested++;
$path = $dirname . $platform->getDirectorySeparator() . $filename;
if (!$platform->is_link($path) &&
(!$platform->is_writeable($path) || !$platform->is_readable($path))) {
return false;
}
if ($platform->is_dir($path) && $tested < $max) {
/* Threshold not yet reached, check subdirectory tree */
if (!SystemChecksStep::_checkStorageSubDirectory($path, $tested, $max)) {
return false;
}
}
}
$platform->closedir($fd);
return true;
}
function CheckManifest() {
$base = realpath(dirname(__FILE__) . '/../..') . '/';
$manifest = GalleryUtilities::readManifest();
if (empty($manifest)) {
return null;
}
$missing = $modified = $shouldRemove = array();
foreach ($manifest as $file => $info) {
if ($file == 'MANIFEST') {
continue;
}
$path = $base . $file;
if (!empty($info['removed'])) {
if (file_exists($path)) {
$shouldRemove[] = $file;
}
} else if (!file_exists($path)) {
$missing[] = $file;
} else {
/*
* Use size comparison instead of checksum for speed. We have
* two sizes, one calculated with unix eols, one with windows
* eols.
*/
$actualSize = filesize($path);
if ($actualSize != $info['size'] && $actualSize != $info['size_crlf']) {
/* This can be useful debug info */
if (false) {
printf("%s (expected: %s/%s, actual: %s)
", $file,
$info['size'], $info['size_crlf'], $actualSize);
}
$modified[] = $file;
}
}
}
return array('missing' => $missing, 'modified' => $modified,
'shouldRemove' => $shouldRemove);
}
}
?>