328 lines
8.6 KiB
PHP
Executable File
328 lines
8.6 KiB
PHP
Executable File
<?php
|
|
|
|
###
|
|
# @name Database Module
|
|
# @copyright 2014 by Tobias Reich
|
|
###
|
|
|
|
if (!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
|
|
|
|
class Database extends Module {
|
|
|
|
static function connect($host = 'localhost', $user, $password, $name = 'lychee') {
|
|
|
|
# Check dependencies
|
|
Module::dependencies(isset($host, $user, $password, $name));
|
|
|
|
$database = new mysqli($host, $user, $password);
|
|
|
|
# Check connection
|
|
if ($database->connect_errno) exit('Error: ' . $database->connect_error);
|
|
|
|
# Avoid sql injection on older MySQL versions by using GBK
|
|
if ($database->server_version<50500) @$database->set_charset('GBK');
|
|
else @$database->set_charset('utf8');
|
|
|
|
# Set unicode
|
|
$database->query('SET NAMES utf8;');
|
|
|
|
# Check database
|
|
if (!$database->select_db($name))
|
|
if (!Database::createDatabase($database, $name)) exit('Error: Could not create database!');
|
|
|
|
# Check tables
|
|
$query = Database::prepare($database, 'SELECT * FROM ?, ?, ?, ? LIMIT 0', array(LYCHEE_TABLE_PHOTOS, LYCHEE_TABLE_ALBUMS, LYCHEE_TABLE_SETTINGS, LYCHEE_TABLE_LOG));
|
|
if (!$database->query($query))
|
|
if (!Database::createTables($database)) exit('Error: Could not create tables!');
|
|
|
|
return $database;
|
|
|
|
}
|
|
|
|
static function update($database, $dbName, $version = 0) {
|
|
|
|
# Check dependencies
|
|
Module::dependencies(isset($database, $dbName));
|
|
if (!isset($version)) return true;
|
|
|
|
# List of updates
|
|
$updates = array(
|
|
'020100', #2.1
|
|
'020101', #2.1.1
|
|
'020200', #2.2
|
|
'020500', #2.5
|
|
'020505', #2.5.5
|
|
'020601', #2.6.1
|
|
'020602', #2.6.2
|
|
'020700' #2.7.0
|
|
);
|
|
|
|
# For each update
|
|
foreach ($updates as $update) {
|
|
|
|
if ($update<=$version) continue;
|
|
|
|
# Load update
|
|
include(__DIR__ . '/../database/update_' . $update . '.php');
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
static function createConfig($host = 'localhost', $user, $password, $name = 'lychee', $prefix = '') {
|
|
|
|
# Check dependencies
|
|
Module::dependencies(isset($host, $user, $password, $name));
|
|
|
|
$database = new mysqli($host, $user, $password);
|
|
|
|
if ($database->connect_errno) return 'Warning: Connection failed!';
|
|
|
|
# Check if database exists
|
|
if (!$database->select_db($name)) {
|
|
|
|
# Database doesn't exist
|
|
# Check if user can create a database
|
|
$result = $database->query('CREATE DATABASE lychee_dbcheck');
|
|
if (!$result) return 'Warning: Creation failed!';
|
|
else $database->query('DROP DATABASE lychee_dbcheck');
|
|
|
|
}
|
|
|
|
# Escape data
|
|
$host = mysqli_real_escape_string($database, $host);
|
|
$user = mysqli_real_escape_string($database, $user);
|
|
$password = mysqli_real_escape_string($database, $password);
|
|
$name = mysqli_real_escape_string($database, $name);
|
|
$prefix = mysqli_real_escape_string($database, $prefix);
|
|
|
|
# Save config.php
|
|
$config = "<?php
|
|
|
|
###
|
|
# @name Configuration
|
|
# @author Tobias Reich
|
|
# @copyright 2014 Tobias Reich
|
|
###
|
|
|
|
if(!defined('LYCHEE')) exit('Error: Direct access is not allowed!');
|
|
|
|
# Database configuration
|
|
\$dbHost = '$host'; # Host of the database
|
|
\$dbUser = '$user'; # Username of the database
|
|
\$dbPassword = '$password'; # Password of the database
|
|
\$dbName = '$name'; # Database name
|
|
\$dbTablePrefix = '$prefix'; # Table prefix
|
|
|
|
?>";
|
|
|
|
# Save file
|
|
if (file_put_contents(LYCHEE_CONFIG_FILE, $config)===false) return 'Warning: Could not create file!';
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
static function createDatabase($database, $name = 'lychee') {
|
|
|
|
# Check dependencies
|
|
Module::dependencies(isset($database, $name));
|
|
|
|
# Create database
|
|
$result = $database->query("CREATE DATABASE IF NOT EXISTS $name;");
|
|
$database->select_db($name);
|
|
|
|
if (!$database->select_db($name)||!$result) return false;
|
|
return true;
|
|
|
|
}
|
|
|
|
static function createTables($database) {
|
|
|
|
# Check dependencies
|
|
Module::dependencies(isset($database));
|
|
|
|
# Create log
|
|
$exist = Database::prepare($database, 'SELECT * FROM ? LIMIT 0', array(LYCHEE_TABLE_LOG));
|
|
if (!$database->query($exist)) {
|
|
|
|
# Read file
|
|
$file = __DIR__ . '/../database/log_table.sql';
|
|
$query = @file_get_contents($file);
|
|
|
|
if (!isset($query)||$query===false) return false;
|
|
|
|
# Create table
|
|
$query = Database::prepare($database, $query, array(LYCHEE_TABLE_LOG));
|
|
if (!$database->query($query)) return false;
|
|
|
|
}
|
|
|
|
# Create settings
|
|
$exist = Database::prepare($database, 'SELECT * FROM ? LIMIT 0', array(LYCHEE_TABLE_SETTINGS));
|
|
if (!$database->query($exist)) {
|
|
|
|
# Read file
|
|
$file = __DIR__ . '/../database/settings_table.sql';
|
|
$query = @file_get_contents($file);
|
|
|
|
if (!isset($query)||$query===false) {
|
|
Log::error($database, __METHOD__, __LINE__, 'Could not load query for lychee_settings');
|
|
return false;
|
|
}
|
|
|
|
# Create table
|
|
$query = Database::prepare($database, $query, array(LYCHEE_TABLE_SETTINGS));
|
|
if (!$database->query($query)) {
|
|
Log::error($database, __METHOD__, __LINE__, $database->error);
|
|
return false;
|
|
}
|
|
|
|
# Read file
|
|
$file = __DIR__ . '/../database/settings_content.sql';
|
|
$query = @file_get_contents($file);
|
|
|
|
if (!isset($query)||$query===false) {
|
|
Log::error($database, __METHOD__, __LINE__, 'Could not load content-query for lychee_settings');
|
|
return false;
|
|
}
|
|
|
|
# Add content
|
|
$query = Database::prepare($database, $query, array(LYCHEE_TABLE_SETTINGS));
|
|
if (!$database->query($query)) {
|
|
Log::error($database, __METHOD__, __LINE__, $database->error);
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
# Create albums
|
|
$exist = Database::prepare($database, 'SELECT * FROM ? LIMIT 0', array(LYCHEE_TABLE_ALBUMS));
|
|
if (!$database->query($exist)) {
|
|
|
|
# Read file
|
|
$file = __DIR__ . '/../database/albums_table.sql';
|
|
$query = @file_get_contents($file);
|
|
|
|
if (!isset($query)||$query===false) {
|
|
Log::error($database, __METHOD__, __LINE__, 'Could not load query for lychee_albums');
|
|
return false;
|
|
}
|
|
|
|
# Create table
|
|
$query = Database::prepare($database, $query, array(LYCHEE_TABLE_ALBUMS));
|
|
if (!$database->query($query)) {
|
|
Log::error($database, __METHOD__, __LINE__, $database->error);
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
# Create photos
|
|
$exist = Database::prepare($database, 'SELECT * FROM ? LIMIT 0', array(LYCHEE_TABLE_PHOTOS));
|
|
if (!$database->query($exist)) {
|
|
|
|
# Read file
|
|
$file = __DIR__ . '/../database/photos_table.sql';
|
|
$query = @file_get_contents($file);
|
|
|
|
if (!isset($query)||$query===false) {
|
|
Log::error($database, __METHOD__, __LINE__, 'Could not load query for lychee_photos');
|
|
return false;
|
|
}
|
|
|
|
# Create table
|
|
$query = Database::prepare($database, $query, array(LYCHEE_TABLE_PHOTOS));
|
|
if (!$database->query($query)) {
|
|
Log::error($database, __METHOD__, __LINE__, $database->error);
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
return true;
|
|
|
|
}
|
|
|
|
static function setVersion($database, $version) {
|
|
|
|
$query = Database::prepare($database, "UPDATE ? SET value = '?' WHERE `key` = 'version'", array(LYCHEE_TABLE_SETTINGS, $version));
|
|
$result = $database->query($query);
|
|
if (!$result) {
|
|
Log::error($database, __METHOD__, __LINE__, 'Could not update database (' . $database->error . ')');
|
|
return false;
|
|
}
|
|
|
|
}
|
|
|
|
static function prepare($database, $query, $data) {
|
|
|
|
# Check dependencies
|
|
Module::dependencies(isset($database, $query, $data));
|
|
|
|
# Count the number of placeholders and compare it with the number of arguments
|
|
# If it doesn't match, calculate the difference and skip this number of placeholders before starting the replacement
|
|
# This avoids problems with placeholders in user-input
|
|
# $skip = Number of placeholders which need to be skipped
|
|
$skip = 0;
|
|
$num = array(
|
|
'placeholder' => substr_count($query, '?'),
|
|
'data' => count($data)
|
|
);
|
|
|
|
if (($num['data']-$num['placeholder'])<0) Log::notice($database, __METHOD__, __LINE__, 'Could not completely prepare query. Query has more placeholders than values.');
|
|
|
|
foreach ($data as $value) {
|
|
|
|
# Escape
|
|
$value = mysqli_real_escape_string($database, $value);
|
|
|
|
# Recalculate number of placeholders
|
|
$num['placeholder'] = substr_count($query, '?');
|
|
|
|
# Calculate number of skips
|
|
if ($num['placeholder']>$num['data']) $skip = $num['placeholder'] - $num['data'];
|
|
|
|
if ($skip>0) {
|
|
|
|
# Need to skip $skip placeholders, because the user input contained placeholders
|
|
# Calculate a substring which does not contain the user placeholders
|
|
# 1 or -1 is the length of the placeholder (placeholder = ?)
|
|
|
|
$pos = -1;
|
|
for ($i=$skip; $i>0; $i--) $pos = strpos($query, '?', $pos + 1);
|
|
$pos++;
|
|
|
|
$temp = substr($query, 0, $pos); # First part of $query
|
|
$query = substr($query, $pos); # Last part of $query
|
|
|
|
}
|
|
|
|
# Replace
|
|
$query = preg_replace('/\?/', $value, $query, 1);
|
|
|
|
if ($skip>0) {
|
|
|
|
# Reassemble the parts of $query
|
|
$query = $temp . $query;
|
|
|
|
}
|
|
|
|
# Reset skip
|
|
$skip = 0;
|
|
|
|
# Decrease number of data elements
|
|
$num['data']--;
|
|
|
|
}
|
|
|
|
return $query;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
?>
|