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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 {
static function command_line() {
// Set error handlers
set_error_handler(create_function('$errno, $errstr, $errfile, $errline',
'throw new ErrorException($errstr, 0, $errno, $errfile, $errline);'));
set_exception_handler(array("installer", "print_exception"));
if (self::already_installed()) {
print "Gallery 3 is already installed.\n";
return;
}
$config = self::parse_cli_params();
try {
self::setup_database($config);
self::setup_var();
self::install($config);
list ($user, $password) = self::create_admin($config);
print "Successfully installed your Gallery 3!\n";
print "Log in with:\n username: admin\n password: $password\n";
} catch (InstallException $e) {
self::display_errors($e->errors());
}
}
static function web() {
if (self::already_installed()) {
$state = "already_installed";
include("install.html.php");
return;
}
switch ($step = $_GET["step"]) {
default:
$step = "welcome";
break;
case "get_info":
break;
case "save_info":
$config = array("host" => $_GET["dbhost"],
"user" => $_GET["dbuser"],
"password" => $_GET["dbpass"],
"dbname" => $_GET["dbname"],
"prefix" => "",
"type" => function_exists("mysqli_init") ? "mysqli" : "mysql");
try {
self::setup_database($config);
self::setup_var();
self::install($config);
list ($user, $password) = self::create_admin($config);
} catch (Exception $e) {
$step = "database_failure";
}
break;
}
include("install.html.php");
}
static function already_installed() {
return file_exists(VARPATH . "database.php");
}
static function parse_cli_params() {
$config = array("host" => "localhost",
"user" => "root",
"password" => "",
"dbname" => "gallery3",
"prefix" => "");
if (function_exists("mysqli_init")) {
$config["type"] = "mysqli";
} else {
$config["type"] = "mysql";
}
$argv = $_SERVER["argv"];
for ($i = 1; $i < count($argv); $i++) {
switch (strtolower($argv[$i])) {
case "-d":
$config["dbname"] = $argv[++$i];
break;
case "-h":
$config["host"] = $argv[++$i];
break;
case "-u":
$config["user"] = $argv[++$i];
break;
case "-p":
$config["password"] = $argv[++$i];
break;
}
}
return $config;
}
static function setup_database($config) {
$errors = array();
if (!mysql_connect($config["host"], $config["user"], $config["password"])) {
$errors["Database"] =
"Unable to connect to your database with the credentials provided. Error details:\n" .
mysql_error();
return;
}
if (!mysql_select_db($config["dbname"])) {
if (!(mysql_query("CREATE DATABASE {$config['dbname']}") &&
mysql_select_db($config["dbname"]))) {
$errors["Database"] = sprintf(
"Database '%s' is not defined and can't be created",
$config["dbname"]);
}
}
if (empty($errors) && mysql_num_rows(mysql_query("SHOW TABLES FROM {$config['dbname']}"))) {
$errors["Database"] = sprintf(
"Database '%s' exists and has tables in it, continuing may overwrite an existing install",
$config["dbname"]);
}
if ($errors) {
throw new InstallException($errors);
}
}
static function setup_var() {
$errors = array();
if (is_writable(VARPATH)) {
return;
}
if (is_writable(dirname(VARPATH)) && !mkdir(VARPATH)) {
$errors["Filesystem"] =
sprintf("The %s directory doesn't exist and can't be created", VARPATH);
}
if ($errors) {
throw new InstallException($errors);
}
}
static function install($config) {
$errors = array();
include(DOCROOT . "installer/init_var.php");
$buf = "";
foreach (file("installer/install.sql") as $line) {
$buf .= $line;
if (preg_match("/;$/", $buf)) {
if (!mysql_query($buf)) {
throw new InstallException(
array("Database" => "Unable to install database tables. Error details:\n" .
mysql_error()));
break;
}
$buf = "";
}
}
$db_config_file = VARPATH . "database.php";
ob_start();
extract($config);
include("installer/database_config.php");
$output = ob_get_clean();
if (!file_put_contents($db_config_file, $output) !== false) {
throw new InstallException(array("Config" => "Unable to create " . VARPATH . "database.php"));
}
system("chmod -R 777 " . VARPATH);
}
static function create_admin($config) {
$errors = array();
$salt = "";
for ($i = 0; $i < 4; $i++) {
$char = mt_rand(48, 109);
$char += ($char > 90) ? 13 : ($char > 57) ? 7 : 0;
$salt .= chr($char);
}
$password = substr(md5(time() * rand()), 0, 6);
$hashed_password = $salt . md5($salt . $password);
if (mysql_query("UPDATE `users` SET `password` = '$hashed_password' WHERE `id` = 2")) {
} else {
$errors["Database"] = "Unable to set admin password. Error details:\n" . mysql_error();
}
if ($errors) {
throw new InstallException($errors);
}
return array("admin", $password);
}
static function print_exception($exception) {
print $exception->getMessage() . "\n";
print $exception->getTraceAsString();
}
static function display_errors($errors) {
print "Errors\n";
foreach ($errors as $title => $error) {
print "$title\n";
print " $error\n\n";
}
}
}
class InstallException extends Exception {
var $errors;
function __construct($errors) {
parent::__construct();
$this->errors = $errors;
}
function errors() {
return $this->errors;
}
}
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