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<?php
/* vim:set softtabstop=4 shiftwidth=4 expandtab: */
/**
*
* LICENSE: GNU General Public License, version 2 (GPLv2)
* Copyright 2001 - 2014 Ampache.org
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License v2
* as published by the Free Software Foundation.
*
* 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*/
/**
* split_sql
* splits up a standard SQL dump file into distinct sql queries
*/
function split_sql($sql)
{
$sql = trim($sql);
$sql = preg_replace("/\n#[^\n]*\n/", "\n", $sql);
$buffer = array();
$ret = array();
$in_string = false;
for ($i=0; $i<strlen($sql)-1; $i++) {
if ($sql[$i] == ";" && !$in_string) {
$ret[] = substr($sql, 0, $i);
$sql = substr($sql, $i + 1);
$i = 0;
}
if ($in_string && ($sql[$i] == $in_string) && $buffer[1] != "\\") {
$in_string = false;
} elseif (!$in_string && ($sql[$i] == '"' || $sql[$i] == "'") && (!isset($buffer[0]) || $buffer[0] != "\\")) {
$in_string = $sql[$i];
}
if (isset($buffer[1])) {
$buffer[0] = $buffer[1];
}
$buffer[1] = $sql[$i];
}
if (!empty($sql)) {
$ret[] = $sql;
}
return($ret);
} // split_sql
/**
* install_check_status
* this function checks to see if we actually
* still need to install ampache. This function is
* very important, we don't want to reinstall over top of an existing install
*/
function install_check_status($configfile)
{
/*
Check and see if the config file exists
if it does they can't use the web interface
to install ampache.
*/
if (!file_exists($configfile)) {
return true;
} else {
Error::add('general', T_('Config file already exists, install is probably completed'));
}
/*
Check and see if they've got _any_ account
if they don't then they're cool
*/
$results = parse_ini_file($configfile);
AmpConfig::set_by_array($results, true);
if (!Dba::check_database()) {
Error::add('general', T_('Unable to connect to database, check your ampache config'));
return false;
}
$sql = 'SELECT * FROM `user`';
$db_results = Dba::read($sql);
if (!$db_results) {
Error::add('general', T_('Unable to query database, check your ampache config'));
return false;
}
if (!Dba::num_rows($db_results)) {
return true;
} else {
Error::add('general', T_('Existing Database detected, unable to continue installation'));
return false;
}
} // install_check_status
function install_check_server_apache()
{
return (strpos($_SERVER['SERVER_SOFTWARE'], "Apache/") === 0);
}
function install_check_rewrite_rules($file, $web_path, $fix = false)
{
if (!is_readable($file)) {
$file .= '.dist';
}
$valid = true;
$htaccess = file_get_contents($file);
$new_lines = array();
$lines = explode("\n", $htaccess);
foreach ($lines as $line) {
$parts = explode(' ', $line);
for ($i = 0; $i < count($parts); $i++) {
// Matching url rewriting rule syntax
if ($parts[$i] == 'RewriteRule' && $i < (count($parts) - 2)) {
$reprule = $parts[$i + 2];
if (!empty($web_path) && strpos($reprule, $web_path) !== 0) {
$reprule = $web_path . $reprule;
if ($fix) {
$parts[$i + 2] = $reprule;
$line = implode(' ', $parts);
} else {
$valid = false;
}
}
break;
}
}
if ($fix) {
$new_lines[] = $line;
}
}
if ($fix) {
return implode("\n", $new_lines);
}
return $valid;
}
function install_rewrite_rules($file, $web_path, $download)
{
$final = install_check_rewrite_rules($file, $web_path, true);
if (!$download) {
if (!file_put_contents($file, $final)) {
Error::add('general', T_('Error writing config file'));
return false;
}
} else {
$browser = new Horde_Browser();
$browser->downloadHeaders(basename($file), 'text/plain', false, strlen($final));
echo $final;
exit();
}
return true;
}
/**
* install_insert_db
*
* Inserts the database using the values from Config.
*/
function install_insert_db($db_user = null, $db_pass = null, $create_db = true, $overwrite = false, $create_tables = true)
{
$database = AmpConfig::get('database_name');
// Make sure that the database name is valid
preg_match('/([^\d\w\_\-])/', $database, $matches);
if (count($matches)) {
Error::add('general', T_('Error: Invalid database name.'));
return false;
}
if (!Dba::check_database()) {
Error::add('general', sprintf(T_('Error: Unable to make database connection: %s'), Dba::error()));
return false;
}
$db_exists = Dba::read('SHOW TABLES');
if ($db_exists && $create_db) {
if ($overwrite) {
Dba::write('DROP DATABASE `' . $database . '`');
} else {
Error::add('general', T_('Error: Database already exists and overwrite not checked'));
return false;
}
}
if ($create_db) {
if (!Dba::write('CREATE DATABASE `' . $database . '`')) {
Error::add('general', sprintf(T_('Error: Unable to create database: %s'), Dba::error()));
return false;
}
}
Dba::disconnect();
// Check to see if we should create a user here
if (strlen($db_user) && strlen($db_pass)) {
$db_host = AmpConfig::get('database_hostname');
$sql = 'GRANT ALL PRIVILEGES ON `' . Dba::escape($database) . '`.* TO ' .
"'" . Dba::escape($db_user) . "'";
if ($db_host == 'localhost' || strpos($db_host, '/') === 0) {
$sql .= "@'localhost'";
}
$sql .= "IDENTIFIED BY '" . Dba::escape($db_pass) . "' WITH GRANT OPTION";
if (!Dba::write($sql)) {
Error::add('general', sprintf(T_('Error: Unable to create user %1$s with permissions to %2$s on %3$s: %4$s'), $db_user, $database, $db_host, Dba::error()));
return false;
}
} // end if we are creating a user
if ($create_tables) {
$sql_file = AmpConfig::get('prefix') . '/sql/ampache.sql';
$query = fread(fopen($sql_file, 'r'), filesize($sql_file));
$pieces = split_sql($query);
$errors = array();
for ($i=0; $i<count($pieces); $i++) {
$pieces[$i] = trim($pieces[$i]);
if (!empty($pieces[$i]) && $pieces[$i] != '#') {
if (!$result = Dba::write($pieces[$i])) {
$errors[] = array ( Dba::error(), $pieces[$i] );
}
}
}
}
if ($create_db) {
$sql = 'ALTER DATABASE `' . $database . '` DEFAULT CHARACTER SET utf8 COLLATE utf8_unicode_ci';
Dba::write($sql);
}
// If they've picked something other than English update default preferences
if (AmpConfig::get('lang') != 'en_US') {
// FIXME: 31? I hate magic.
$sql = 'UPDATE `preference` SET `value`= ? WHERE `id` = 31';
Dba::write($sql, array(AmpConfig::get('lang')));
$sql = 'UPDATE `user_preference` SET `value` = ? WHERE `preference` = 31';
Dba::write($sql, array(AmpConfig::get('lang')));
}
return true;
}
/**
* install_create_config
*
* Attempts to write out the config file or offer it as a download.
*/
function install_create_config($download = false)
{
$config_file = AmpConfig::get('prefix') . '/config/ampache.cfg.php';
/* Attempt to make DB connection */
Dba::dbh();
$params = AmpConfig::get_all();
if (empty($params['database_username']) || empty($params['database_password'])) {
Error::add('general', T_("Invalid configuration settings"));
return false;
}
// Connect to the DB
if (!Dba::check_database()) {
Error::add('general', T_("Database Connection Failed Check Hostname, Username and Password"));
return false;
}
$final = generate_config($params);
// Make sure the directory is writable OR the empty config file is
if (!$download) {
if (!check_config_writable()) {
Error::add('general', T_('Config file is not writable'));
return false;
} else {
// Given that $final is > 0, we can ignore lazy comparison problems
if (!file_put_contents($config_file, $final)) {
Error::add('general', T_('Error writing config file'));
return false;
}
}
} else {
$browser = new Horde_Browser();
$browser->downloadHeaders('ampache.cfg.php', 'text/plain', false, strlen($final));
echo $final;
exit();
}
return true;
}
/**
* install_create_account
* this creates your initial account and sets up the preferences for the -1 user and you
*/
function install_create_account($username, $password, $password2)
{
if (!strlen($username) OR !strlen($password)) {
Error::add('general', T_('No Username/Password specified'));
return false;
}
if ($password !== $password2) {
Error::add('general', T_('Passwords do not match'));
return false;
}
if (!Dba::check_database()) {
Error::add('general', sprintf(T_('Database connection failed: %s'), Dba::error()));
return false;
}
if (!Dba::check_database_inserted()) {
Error::add('general', sprintf(T_('Database select failed: %s'), Dba::error()));
return false;
}
$username = Dba::escape($username);
$password = Dba::escape($password);
$insert_id = User::create($username,'Administrator','','',$password,'100');
if (!$insert_id) {
Error::add('general', sprintf(T_('Administrative user creation failed: %s'), Dba::error()));
return false;
}
// Fix the system users preferences
User::fix_preferences('-1');
return true;
} // install_create_account
function command_exists($command)
{
if (!function_exists('proc_open')) {
return false;
}
$whereIsCommand = (PHP_OS == 'WINNT') ? 'where' : 'which';
$process = proc_open(
"$whereIsCommand $command",
array(
0 => array("pipe", "r"), //STDIN
1 => array("pipe", "w"), //STDOUT
2 => array("pipe", "w"), //STDERR
),
$pipes
);
if ($process !== false) {
$stdout = stream_get_contents($pipes[1]);
stream_get_contents($pipes[2]);
fclose($pipes[1]);
fclose($pipes[2]);
proc_close($process);
return $stdout != '';
}
return false;
}
/**
* install_get_transcode_modes
* get transcode modes available on this machine.
*/
function install_get_transcode_modes()
{
$modes = array();
if (command_exists('ffmpeg')) {
$modes[] = 'ffmpeg';
}
if (command_exists('avconv')) {
$modes[] = 'avconv';
}
return $modes;
} // install_get_transcode_modes
function install_config_transcode_mode($mode)
{
$trconfig = array(
'encode_target' => 'mp3',
'transcode_m4a' => 'required',
'transcode_flac' => 'required',
'transcode_mpc' => 'required',
'transcode_ogg' => 'allowed',
'transcode_wav' => 'required'
);
if ($mode == 'ffmpeg' || $mode == 'avconv') {
$trconfig['transcode_cmd'] = $mode . ' -i %FILE%';
$trconfig['encode_args_mp3'] = '-vn -b:a %SAMPLE%K -c:a libmp3lame -f mp3 pipe:1';
$trconfig['encode_args_ogg'] = '-vn -b:a %SAMPLE%K -c:a libvorbis -f ogg pipe:1';
$trconfig['encode_args_wav'] = '-vn -b:a %SAMPLE%K -c:a pcm_s16le -f wav pipe:1';
AmpConfig::set_by_array($trconfig, true);
}
}
Mini Shell