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<?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 installer {
private static $messages = array();
private static $config = array();
public function environment_check() {
$failed = false;
$section = array("header" => "Environment Test",
"description" => "The following tests have been run to determine if " .
"Gallery3 will work in your environment. If any of the tests have " .
"failed, consult the documention on http://gallery.menalto.com for " .
"more information on how to correct the problem.",
"msgs" => array());
if (version_compare(PHP_VERSION, "5.2", "<")) {
$section["msgs"]["PHP Version"] = array("error" => true,
"text" => sprintf("Gallery3 requires PHP 5.2 or newer, current version: %s.", PHP_VERSION));
$failed = true;
} else {
$section["msgs"]["PHP Version"] = array("error" => false,
"text" => PHP_VERSION);
}
if (!(is_dir(SYSPATH) AND is_file(SYSPATH.'core/Bootstrap'.EXT))) {
$section["msgs"]["Kohana Directory"] = array("error" => true,
"text" => "The configured Kohana directory does not exist or does not contain the required files.");
} else {
$section["msgs"]["Kohana Directory"] = array("error" => false,
"text" => SYSPATH);
}
if (!(is_dir(APPPATH) AND is_file(APPPATH.'config/config'.EXT))) {
$section["msgs"]["Application Directory"] = array("error" => true,
"text" => "The configured Gallery3 application directory does not exist or does not contain the required files.");
$failed = true;
} else {
$section["msgs"]["Application Directory"] = array("error" => false,
"text" => APPPATH);
}
if (!(is_dir(MODPATH))) {
$section["msgs"]["Modules Directory"] = array("error" => true,
"text" => "The configured Gallery3 modules directory does not exist or does not contain the required files.");
$failed = true;
} else {
$section["msgs"]["Modules Directory"] = array("error" => false,
"text" => MODPATH);
}
if (!(is_dir(THEMEPATH))) {
$section["msgs"]["Theme Directory"] = array("error" => true,
"text" => "The configured Gallery3 themes directory does not exist or does not contain the required files.");
$failed = true;
} else {
$section["msgs"]["Themes Directory"] = array("error" => false,
"text" => THEMEPATH);
}
if (!@preg_match("/^.$/u", utf8_encode("\xF1"))) {
$section["msgs"]["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"))) {
$section["msgs"]["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 {
$section["msgs"]["PCRE UTF-8"] = array("error" => false,
"text" => "Pass");
}
if (!(class_exists("ReflectionClass"))) {
$section["msgs"]["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 {
$section["msgs"]["Reflection Enabled"] = array("error" => false,
"text" => "Pass");
}
if (!(function_exists("filter_list"))) {
$section["msgs"]["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 {
$section["msgs"]["Filters Enabled"] = array("error" => false,
"text" => "Pass");
}
if (!(extension_loaded("iconv"))) {
$section["msgs"]["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 {
$section["msgs"]["Iconv Enabled"] = array("error" => false,
"text" => "Pass");
}
if (extension_loaded("mbstring") &&
(ini_get("mbstring.func_overload") & MB_OVERLOAD_STRING)) {
$section["msgs"]["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 {
$section["msgs"]["MbString Overloaded"] = array("error" => false,
"text" => "Pass");
}
if (!(isset($_SERVER["REQUEST_URI"]) || isset($_SERVER["PHP_SELF"]))) {
$section["msgs"]["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 {
$section["msgs"]["URI Determination"] = array("error" => false,
"text" => "Pass");
}
$short_tags = ini_get("short_open_tag");
if (empty($short_tags)) {
$section["msgs"]["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 {
$section["msgs"]["Short Tags"] = array("error" => false,
"text" => "Pass");
}
self::$messages[] = $section;
return !$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");
}
}
public static function parse_cli_parms($argv) {
$section = array("header" => "Installation Parameters",
"description" => "The following parameters will be used to install and " .
"configure your Gallery3 installation.",
"msgs" => array());
for ($i=0; $i < count($argv); $i++) {
switch (strtolower($argv[$i])) {
case "-d":
$arguments["dbname"] = $argv[++$i];
break;
case "-h":
$arguments["host"] = $argv[++$i];
break;
case "-u":
$arguments["user"] = $argv[++$i];
break;
case "-p":
$arguments["password"] = $argv[++$i];
break;
case "-t":
$arguments["prefix"] = $argv[++$i];
break;
case "-f":
$arguments["file"] = $argv[++$i];
break;
}
}
$config = array("host" => "localhost", "user" => "root", "password" => "",
"dbname" => "gallery3", "prefix" => "");
if (!empty($arguments["file"])) {
if (file_exists($arguments["file"])) {
include $arguments["file"];
}
unset($arguments["file"]);
}
self::$config = array_merge($config, $arguments);
foreach (self::$config as $key => $value) {
$section["msgs"][$key] = array("text" => $value, "error" => false);
}
self::$messages[] = $section;
}
private static function _render($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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