diff options
Diffstat (limited to 'installer/helpers/system_check.php')
| -rw-r--r-- | installer/helpers/system_check.php | 180 |
1 files changed, 180 insertions, 0 deletions
diff --git a/installer/helpers/system_check.php b/installer/helpers/system_check.php new file mode 100644 index 00000000..b0bd7e12 --- /dev/null +++ b/installer/helpers/system_check.php @@ -0,0 +1,180 @@ +<?php defined("SYSPATH") or die("No direct script access."); +/** + * Gallery - a web based photo album viewer and editor + * Copyright (C) 2000-2008 Bharat Mediratta + * + * This program 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. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ +class system_check { + private static $messages = array(); + + public function failed() { + $failed = false; + if (version_compare(PHP_VERSION, "5.2", "<")) { + self::$messages["PHP Version"] = array("error" => true, + "text" => sprintf("Gallery3 requires PHP 5.2 or newer, current version: %s.", PHP_VERSION)); + $failed = true; + } else { + self::$messages["PHP Version"] = array("error" => false, + "text" => PHP_VERSION); + } + + + if (!(is_dir(SYSPATH) AND is_file(SYSPATH.'core/Bootstrap'.EXT))) { + self::$messages["Kohana Directory"] = array("error" => true, + "text" => "The configured Kohana directory does not exist or does not contain the required files."); + } else { + self::$messages["Kohana Directory"] = array("error" => false, + "text" => SYSPATH); + } + + if (!(is_dir(APPPATH) AND is_file(APPPATH.'config/config'.EXT))) { + self::$messages["Application Directory"] = array("error" => true, + "text" => "The configured Gallery3 application directory does not exist or does not contain the required files."); + $failed = true; + } else { + self::$messages["Application Directory"] = array("error" => false, + "text" => APPPATH); + } + + if (!(is_dir(MODPATH))) { + self::$messages["Modules Directory"] = array("error" => true, + "text" => "The configured Gallery3 modules directory does not exist or does not contain the required files."); + $failed = true; + } else { + self::$messages["Modules Directory"] = array("error" => false, + "text" => MODPATH); + } + + if (!(is_dir(THEMEPATH))) { + self::$messages["Theme Directory"] = array("error" => true, + "text" => "The configured Gallery3 themes directory does not exist or does not contain the required files."); + $failed = true; + } else { + self::$messages["Themes Directory"] = array("error" => false, + "text" => THEMEPATH); + } + + if (!@preg_match("/^.$/u", utf8_encode("\xF1"))) { + self::$messages["PCRE UTF-8"] = array("error" => true, + "text" => "Perl-Compatible Regular Expressions has not been compiled with UTF-8 support.", + "html" => "<a href=\"http://php.net/pcre\">PCRE</a> has not been compiled with UTF-8 support."); + $failed = true; + } else if (!@preg_match("/^\pL$/u", utf8_encode("\xF1"))) { + self::$messages["PCRE UTF-8"] = array("error" => true, + "text" => "Perl-Compatible Regular Expressions has not been compiled with Unicode support.", + "html" => "<a href=\"http://php.net/pcre\">PCRE</a> has not been compiled with Unicode property support."); + $failed = true; + } else { + self::$messages["PCRE UTF-8"] = array("error" => false, + "text" => "Pass"); + } + + if (!(class_exists("ReflectionClass"))) { + self::$messages["Reflection Enabled"] = array("error" => true, + "text" => "PHP relection is either not loaded or not compiled in.", + "html" => "PHP <a href=\"http://php.net/reflection\">relection<a> is either not loaded or not compiled in."); + $failed = true; + } else { + self::$messages["Reflection Enabled"] = array("error" => false, + "text" => "Pass"); + } + + if (!(function_exists("filter_list"))) { + self::$messages["Filters Enabled"] = array("error" => true, + "text" => "The filter extension is either not loaded or not compiled in.", + "html" => "The <a href=\"http://php.net/filter\">filter</a> extension is either not loaded or not compiled in."); + $failed = true; + } else { + self::$messages["Filters Enabled"] = array("error" => false, + "text" => "Pass"); + } + + if (!(extension_loaded("iconv"))) { + self::$messages["Iconv Loaded"] = array("error" => true, + "text" => "The iconv extension is not loaded.", + "html" => "The <a href=\"http://php.net/iconv\">iconv</a> extension is not loaded."); + $failed = true; + } else { + self::$messages["Iconv Enabled"] = array("error" => false, + "text" => "Pass"); + } + + if (extension_loaded("mbstring") && + (ini_get("mbstring.func_overload") & MB_OVERLOAD_STRING)) { + self::$messages["Mbstring Overloaded"] = array("error" => true, + "text" => "The mbstring extension is overloading PHP's native string functions.", + "html" => "The <a href=\"http://php.net/mbstring\">mbstring</a> extension is overloading PHP's native string functions."); + $failed = true; + } else { + self::$messages["MbString Overloaded"] = array("error" => false, + "text" => "Pass"); + } + + if (!(isset($_SERVER["REQUEST_URI"]) || isset($_SERVER["PHP_SELF"]))) { + self::$messages["URI Determination"] = array("error" => true, + "text" => "Neither \$_SERVER['REQUEST_URI'] or \$_SERVER['PHP_SELF'] is available.", + "html" => "Neither <code>\$_SERVER['REQUEST_URI']</code> or <code>\$_SERVER['PHP_SELF']<code> is available."); + $failed = true; + } else { + self::$messages["URI Determination"] = array("error" => false, + "text" => "Pass"); + } + + $short_tags = ini_get("short_open_tag"); + if (empty($short_tags)) { + self::$messages["Short Tags"] = array("error" => true, + "text" => "Gallery3 requires that PHP short tags be enabled.", + "html" => "Gallery3 requires that PHP <a href=\"http://ca2.php.net/manual/en/ini.core.php\">short tags</a> be enabled"); + $failed = true; + } else { + self::$messages["Short Tags"] = array("error" => false, + "text" => "Pass"); + } + return $failed; + } + + public static function display_requirements() { + if (PHP_SAPI == 'cli') { + print self::_render("installer/views/installer.txt"); + } else { + print self::_render("installer/views/installer.html"); + } + } + + private static function _render($view) { + if ($view == '') + return; + + // Buffering on + ob_start(); + + try + { + // Views are straight HTML pages with embedded PHP, so importing them + // this way insures that $this can be accessed as if the user was in + // the controller, which gives the easiest access to libraries in views + include realpath($view . EXT); + } + catch (Exception $e) + { + // Display the exception using its internal __toString method + echo $e; + } + + // Fetch the output and close the buffer + return ob_get_clean(); + } +}
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