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<?php
function install_post(&$a) {
global $db;
$urlpath = $a->get_path();
$dbhost = notags(trim($_POST['dbhost']));
$dbuser = notags(trim($_POST['dbuser']));
$dbpass = notags(trim($_POST['dbpass']));
$dbdata = notags(trim($_POST['dbdata']));
$timezone = notags(trim($_POST['timezone']));
$phpath = notags(trim($_POST['phpath']));
require_once("dba.php");
unset($db);
$db = new dba($dbhost, $dbuser, $dbpass, $dbdata, true);
if(mysqli_connect_errno()) {
unset($db);
$db = new dba($dbhost, $dbuser, $dbpass, '', true);
if(! mysqli_connect_errno()) {
$r = q("CREATE DATABASE '%s'",
dbesc($dbdata)
);
if($r) {
unset($db);
$db = new dba($dbhost, $dbuser, $dbpass, $dbdata, true);
}
}
if(mysqli_connect_errno()) {
notice( t('Could not create/connect to database.') . EOL);
return;
}
}
notice( t('Connected to database.') . EOL);
$tpl = load_view_file('view/htconfig.tpl');
$txt = replace_macros($tpl,array(
'$dbhost' => $dbhost,
'$dbuser' => $dbuser,
'$dbpass' => $dbpass,
'$dbdata' => $dbdata,
'$timezone' => $timezone,
'$urlpath' => $urlpath,
'$phpath' => $phpath
));
$result = file_put_contents('.htconfig.php', $txt);
if(! $result) {
$a->data = $txt;
}
$errors = load_database($db);
if($errors)
$a->data['db_failed'] = true;
else
$a->data['db_installed'] = true;
return;
}
function install_content(&$a) {
global $db;
$o = '';
if(x($a->data,'db_installed')) {
$o .= '<h2>' . t('Proceed with Installation') . '</h2>';
$o .= '<p style="font-size: 130%;">';
$o .= t('Your Friendika site database has been installed.') . EOL;
$o .= t('IMPORTANT: You will need to [manually] setup a scheduled task for the poller.') . EOL ;
$o .= t('Please see the file "INSTALL.txt".') . EOL ;
$o .= '<br />';
$o .= '<a href="' . $a->get_baseurl() . '/register' . '">' . t('Proceed to registration') . '</a>' ;
$o .= '</p>';
return $o;
}
if(x($a->data,'db_failed')) {
$o .= t('Database import failed.') . EOL;
$o .= t('You may need to import the file "database.sql" manually using phpmyadmin or mysql.') . EOL;
$o .= t('Please see the file "INSTALL.txt".') . EOL ;
return $o;
}
if($db && $db->connected) {
$r = q("SELECT COUNT(*) as `total` FROM `user`");
if($r && count($r) && $r[0]['total']) {
notice( t('Permission denied.') . EOL);
return '';
}
}
notice( t('Welcome to Friendika.') . EOL);
check_funcs();
$o .= check_htconfig();
if(strlen($o))
return $o;
if(strlen($a->data)) {
$o .= manual_config($a);
return;
}
$o .= check_php($phpath);
$o .= check_keys();
require_once('datetime.php');
$tpl = file_get_contents('view/install_db.tpl');
$o .= replace_macros($tpl, array(
'$lbl_01' => t('Friendika Social Network'),
'$lbl_02' => t('Installation'),
'$lbl_03' => t('In order to install Friendika we need to know how to contact your database.'),
'$lbl_04' => t('Please contact your hosting provider or site administrator if you have questions about these settings.'),
'$lbl_05' => t('The database you specify below must already exist. If it does not, please create it before continuing.'),
'$lbl_06' => t('Database Server Name'),
'$lbl_07' => t('Database Login Name'),
'$lbl_08' => t('Database Login Password'),
'$lbl_09' => t('Database Name'),
'$lbl_10' => t('Please select a default timezone for your website'),
'$baseurl' => $a->get_baseurl(),
'$tzselect' => ((x($_POST,'timezone')) ? select_timezone($_POST['timezone']) : select_timezone()),
'$submit' => t('Submit'),
'$dbhost' => ((x($_POST,'dbhost')) ? notags(trim($_POST['dbhost'])) : 'localhost'),
'$dbuser' => notags(trim($_POST['dbuser'])),
'$dbpass' => notags(trim($_POST['dbpass'])),
'$dbdata' => notags(trim($_POST['dbdata'])),
'$phpath' => $phpath
));
return $o;
}
function check_php(&$phpath) {
$o = '';
$phpath = trim(shell_exec('which php'));
if(! strlen($phpath)) {
$o .= t('Could not find a command line version of PHP in the web server PATH.') . EOL;
$o .= t('This is required. Please adjust the configuration file .htconfig.php accordingly.') . EOL;
}
if(strlen($phpath)) {
$str = autoname(8);
$cmd = "$phpath testargs.php $str";
$result = trim(shell_exec($cmd));
if($result != $str) {
$o .= t('The command line version of PHP on your system does not have "register_argc_argv" enabled.') . EOL;
$o .= t('This is required for message delivery to work.') . EOL;
}
}
return $o;
}
function check_keys() {
$o = '';
$res = false;
if(function_exists('openssl_pkey_new'))
$res=openssl_pkey_new(array(
'digest_alg' => 'sha1',
'private_key_bits' => 4096,
'encrypt_key' => false ));
// Get private key
if(! $res) {
$o .= t('Error: the "openssl_pkey_new" function on this system is not able to generate encryption keys') . EOL;
$o .= t('If running under Windows, please see "http://www.php.net/manual/en/openssl.installation.php".') . EOL;
}
return $o;
}
function check_funcs() {
if((function_exists('apache_get_modules')) && (! in_array('mod_rewrite',apache_get_modules())))
notice( t('Error: Apache webserver mod-rewrite module is required but not installed.') . EOL);
if(! function_exists('curl_init'))
notice( t('Error: libCURL PHP module required but not installed.') . EOL);
if(! function_exists('imagecreatefromjpeg'))
notice( t('Error: GD graphics PHP module with JPEG support required but not installed.') . EOL);
if(! function_exists('openssl_public_encrypt'))
notice( t('Error: openssl PHP module required but not installed.') . EOL);
if(! function_exists('mysqli_connect'))
notice( t('Error: mysqli PHP module required but not installed.') . EOL);
if((x($_SESSION,'sysmsg')) && strlen($_SESSION['sysmsg']))
notice( t('Please see the file "INSTALL.txt".') . EOL);
}
function check_htconfig() {
if(((file_exists('.htconfig.php')) && (! is_writable('.htconfig.php')))
|| (! is_writable('.'))) {
$o = t('The web installer needs to be able to create a file called ".htconfig.php" in the top folder of your web server and it is unable to do so.');
$o .= t('This is most often a permission setting, as the web server may not be able to write files in your folder - even if you can.');
$o .= t('Please check with your site documentation or support people to see if this situation can be corrected.');
$o .= t('If not, you may be required to perform a manual installation. Please see the file "INSTALL.txt" for instructions.');
}
return $o;
}
function manual_config(&$a) {
$data = htmlentities($a->data);
$o = t('The database configuration file ".htconfig.php" could not be written. Please use the enclosed text to create a configuration file in your web server root.');
$o .= "<textarea rows=\"24\" cols=\"80\" >$data</textarea>";
return $o;
}
function load_database($db) {
$str = file_get_contents('database.sql');
$arr = explode(';',$str);
$errors = 0;
foreach($arr as $a) {
if(strlen(trim($a))) {
$r = @$db->q(trim($a));
if(! $r) {
notice( t('Errors encountered creating database tables.') . $a . EOL);
$errors ++;
}
}
}
return $errors;
}
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