* Copyright (C) 2004-2009, Ryan Djurovich
*
* Website Baker is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Website Baker is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Website Baker; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
// prevent this file from being accessed directly
if (!defined('WB_PATH')) die(header('Location: ../index.php'));
function getVersion($version, $strip_suffix = true)
{
/**
* This funtion creates a version string following the major.minor.revision convention
* The minor and revision part of the version may not exceed 999 (three digits)
* An optional suffix part can be added after revision (requires $strip_suffix = false)
*
* EXAMPLES: input --> output
* 5 --> 5.000000; 5.0 --> 5.000000; 5.0.0 --> 5.000000
* 5.2 --> 5.002000; 5.20 --> 5.002000; 5.2.0 --> 5.002000
* 5.21 --> 5.002001; 5.2.1 --> 5.002001;
* 5.27.1 --> 5.027001; 5.2.71 --> 5.002071;
* 5.27.1 rc1 --> 5.027001_RC1 ($strip_suffix:= false)
*/
// replace comma by decimal point
$version = str_replace(',', '.', $version);
// convert version into major.minor.revision numbering system
list($major, $minor, $revision) = explode('.', $version, 3);
// convert versioning style 5.21 into 5.2.1
if ($revision == '' && strlen(intval($minor)) == 2) {
$revision = substr($minor, -1);
$minor = substr($minor, 0, 1);
}
// extract possible non numerical suffix from revision part (e.g. Alpha, Beta, RC1)
$suffix = strtoupper(trim(substr($revision, strlen(intval($revision)))));
// return standard version number (minor and revision numbers may not exceed 999)
return (int) $major . '.' . sprintf('%03d', (int) $minor) . sprintf('%03d', (int) $revision) .
(($strip_suffix == false && $suffix != '') ? '_' . $suffix : '');
}
/**
* As "version_compare" it self seems only got trouble
* within words like "Alpha", "Beta" a.s.o. this function
* only modify the version-string in the way that these words are replaced by values/numbers.
*
* E.g: "1.2.3 Beta2" => "1.2.322"
* "0.1.1 ALPHA" => "0.1.11"
*
* Notice: Please keep in mind, that this will not correct the way "version_control"
* handel "1 < 1.0 < 1.0.0 < 1.0.0.0" and will not correct missformed version-strings
* below 2.7, e.g. "1.002 released candidate 2.3"
*
* @since 2.8.0 RC2
*
* @param string A versionstring
* @return string The modificated versionstring
*
*/
function getVersion2 ($version="") {
$states = array (
'1' => "alpha",
'2' => "beta",
'4' => "rc",
'8' => "final"
);
$version = strtolower($version);
foreach($states as $value=>$keys) $version = str_replace($keys, $value, $version);
$version = str_replace(" ", "", $version);
return $version;
}
function versionCompare($version1, $version2, $operator = '>=')
{
/**
* This funtion performs a comparison of two provided version strings
* The versions are first converted into a string following the major.minor.revision
* convention and performs a version_compare afterwards.
*/
// return version_compare(getVersion($version1), getVersion($version2), $operator);
return version_compare(getVersion2($version1), getVersion2($version2), $operator);
}
function sortPreCheckArray($precheck_array)
{
/**
* This funtion sorts the precheck array to a common format
*/
// define desired precheck order
$key_order = array('WB_VERSION', 'WB_ADDONS', 'PHP_VERSION', 'PHP_EXTENSIONS', 'PHP_SETTINGS', 'CUSTOM_CHECKS');
$temp_array = array();
foreach($key_order as $key) {
if (!isset($precheck_array[$key])) continue;
$temp_array[$key] = $precheck_array[$key];
}
return $temp_array;
}
function preCheckAddon($temp_addon_file)
{
/**
* This funtion performs pretest upfront of the Add-On installation process.
* The requirements can be specified via the array $PRECHECK which needs to
* be defined in the optional Add-on file precheck.php.
*/
global $database, $admin, $TEXT, $HEADING, $MESSAGE;
// path to the temporary Add-on folder
$temp_path = WB_PATH . '/temp/unzip';
// check if file precheck.php exists for the Add-On uploaded via WB installation routine
if (!file_exists($temp_path . '/precheck.php')) return;
// unset any previous declared PRECHECK array
unset($PRECHECK);
// include Add-On precheck.php file
include($temp_path . '/precheck.php');
// check if there are any Add-On requirements to check for
if (!(isset($PRECHECK) && count($PRECHECK) > 0)) return;
// sort precheck array
$PRECHECK = sortPreCheckArray($PRECHECK);
$failed_checks = 0;
$msg = array();
// check if specified addon requirements are fullfilled
foreach ($PRECHECK as $key => $value) {
switch ($key) {
case 'WB_VERSION':
if (isset($value['VERSION'])) {
// obtain operator for string comparison if exist
$operator = (isset($value['OPERATOR']) && trim($value['OPERATOR']) != '') ? $value['OPERATOR'] : '>=';
// compare versions and extract actual status
$status = versionCompare(WB_VERSION, $value['VERSION'], $operator);
$msg[] = array(
'check' => 'WB-' . $TEXT['VERSION'] .': ',
'required' => htmlentities($operator) . $value['VERSION'],
'actual' => WB_VERSION,
'status' => $status
);
// increase counter if required
if (!$status) $failed_checks++;
}
break;
case 'WB_ADDONS':
if (is_array($PRECHECK['WB_ADDONS'])) {
foreach($PRECHECK['WB_ADDONS'] as $addon => $values) {
if (is_array($values)) {
// extract module version and operator
$version = (isset($values['VERSION']) && trim($values['VERSION']) != '') ? $values['VERSION'] : '';
$operator = (isset($values['OPERATOR']) && trim($values['OPERATOR']) != '') ? $values['OPERATOR'] : '>=';
} else {
// no version and operator specified (only check if addon exists)
$addon = strip_tags($values);
$version = ''; $operator = '';
}
// check if addon is listed in WB database
$table = TABLE_PREFIX . 'addons';
$sql = "SELECT * FROM `$table` WHERE `directory` = '" . addslashes($addon) . "'";
$results = $database->query($sql);
$status = false; $addon_status = $TEXT['NOT_INSTALLED'];
if ($results && $row = $results->fetchRow()) {
$status = true;
$addon_status = $TEXT['INSTALLED'];
// compare version if required
if ($version != '') {
$status = versionCompare($row['version'], $version, $operator);
$addon_status = $row['version'];
}
}
// provide addon status
$msg[] = array(
'check' => ' ' . $TEXT['ADDON'] . ': ' . htmlentities($addon),
'required' => ($version != '') ? $operator . ' ' . $version : $TEXT['INSTALLED'],
'actual' => $addon_status,
'status' => $status
);
// increase counter if required
if (!$status) $failed_checks++;
}
}
break;
case 'PHP_VERSION':
if (isset($value['VERSION'])) {
// obtain operator for string comparison if exist
$operator = (isset($value['OPERATOR']) && trim($value['OPERATOR']) != '') ? $value['OPERATOR'] : '>=';
// compare versions and extract actual status
$status = versionCompare(PHP_VERSION, $value['VERSION'], $operator);
$msg[] = array(
'check' => 'PHP-' . $TEXT['VERSION'] .': ',
'required' => htmlentities($operator) . ' ' . $value['VERSION'],
'actual' => PHP_VERSION,
'status' => $status
);
// increase counter if required
if (!$status) $failed_checks++;
}
break;
case 'PHP_EXTENSIONS':
if (is_array($PRECHECK['PHP_EXTENSIONS'])) {
foreach($PRECHECK['PHP_EXTENSIONS'] as $extension) {
$status = extension_loaded(strtolower($extension));
$msg[] = array(
'check' => ' ' . $TEXT['EXTENSION'] . ': ' . htmlentities($extension),
'required' => $TEXT['INSTALLED'],
'actual' => ($status) ? $TEXT['INSTALLED'] : $TEXT['NOT_INSTALLED'],
'status' => $status
);
// increase counter if required
if (!$status) $failed_checks++;
}
}
break;
case 'PHP_SETTINGS':
if (is_array($PRECHECK['PHP_SETTINGS'])) {
foreach($PRECHECK['PHP_SETTINGS'] as $setting => $value) {
$actual_setting = ($temp = ini_get($setting)) ? $temp : 0;
$status = ($actual_setting == $value);
$msg[] = array(
'check' => ' '. ($setting),
'required' => $value,
'actual' => $actual_setting,
'status' => $status
);
// increase counter if required
if (!$status) $failed_checks++;
}
}
break;
case 'CUSTOM_CHECKS':
if (is_array($PRECHECK['CUSTOM_CHECKS'])) {
foreach($PRECHECK['CUSTOM_CHECKS'] as $key => $values) {
$status = (true === array_key_exists('STATUS', $values )) ? $values['STATUS'] : false;
$msg[] = array(
'check' => $key,
'required' => $values['REQUIRED'],
'actual' => $values['ACTUAL'],
'status' => $status
);
}
// increase counter if required
if (!$status) $failed_checks++;
}
break;
}
}
// leave if all requirements are fullfilled
if ($failed_checks == 0) return;
// output summary table with requirements not fullfilled
echo <<< EOT
{$HEADING['ADDON_PRECHECK_FAILED']}
{$MESSAGE['ADDON']['PRECHECK_FAILED']}
| {$TEXT['REQUIREMENT']}: |
{$TEXT['REQUIRED']}: |
{$TEXT['CURRENT']}: |
EOT;
foreach($msg as $check) {
echo '';
$style = $check['status'] ? 'color: #46882B;' : 'color: #C00;';
foreach($check as $key => $value) {
if ($key == 'status') continue;
echo '| ' . $value . ' | ';
}
echo '
';
}
echo '
';
// delete the temp unzip directory
rm_full_dir($temp_path);
// delete the temporary zip file of the Add-on
if(file_exists($temp_addon_file)) { unlink($temp_addon_file); }
// output status message and die
$admin->print_error('');
}
?>