define('INSTALLDIR', dirname(__FILE__));
function main()
{
if (!checkPrereqs())
{
return;
}
if ($_SERVER['REQUEST_METHOD'] == 'POST') {
handlePost();
} else {
showForm();
}
}
function checkPrereqs()
{
if (file_exists(INSTALLDIR.'/config.php')) {
?>
Config file "config.php" already exists.
return false;
}
if (version_compare(PHP_VERSION, '5.0.0', '<')) {
?>Require PHP version 5 or greater.
return false;
}
$reqs = array('gd', 'mysql', 'curl',
'xmlwriter', 'mbstring',
'gettext');
foreach ($reqs as $req) {
if (!checkExtension($req)) {
?>Cannot load required extension "= $req ?>".
return false;
}
}
if (!is_writable(INSTALLDIR)) {
?>Cannot write config file to "= INSTALLDIR ?>".
On your server, try this command:
chmod a+w = INSTALLDIR ?>
return false;
}
if (!is_writable(INSTALLDIR.'/avatar/')) {
?>Cannot write avatar directory "= INSTALLDIR ?>/avatar/".
On your server, try this command:
chmod a+w = INSTALLDIR ?>/avatar/
return false;
}
return true;
}
function checkExtension($name)
{
if (!extension_loaded($name)) {
if (!dl($name.'.so')) {
return false;
}
}
return true;
}
function showForm()
{
?>
Enter your database connection information below to initialize the database.
}
function updateStatus($status, $error=false)
{
?>
print $status;
?>
}
function handlePost()
{
?>
$host = $_POST['host'];
$database = $_POST['database'];
$username = $_POST['username'];
$password = $_POST['password'];
$sitename = $_POST['sitename'];
if (empty($host)) {
updateStatus("No hostname specified.", true);
showForm();
return;
}
if (empty($database)) {
updateStatus("No database specified.", true);
showForm();
return;
}
if (empty($username)) {
updateStatus("No username specified.", true);
showForm();
return;
}
if (empty($password)) {
updateStatus("No password specified.", true);
showForm();
return;
}
if (empty($sitename)) {
updateStatus("No sitename specified.", true);
showForm();
return;
}
updateStatus("Starting installation...");
updateStatus("Checking database...");
$conn = mysql_connect($host, $username, $password);
if (!$conn) {
updateStatus("Can't connect to server '$host' as '$username'.", true);
showForm();
return;
}
updateStatus("Changing to database...");
$res = mysql_select_db($database, $conn);
if (!$res) {
updateStatus("Can't change to database.", true);
showForm();
return;
}
updateStatus("Running database script...");
$res = runDbScript(INSTALLDIR.'/db/laconica.sql', $conn);
if ($res === false) {
updateStatus("Can't run database script.", true);
showForm();
return;
}
updateStatus("Writing config file...");
$sqlUrl = "mysqli://$username:$password@$host/$database";
$res = writeConf($sitename, $sqlUrl);
if (!$res) {
updateStatus("Can't write config file.", true);
showForm();
return;
}
updateStatus("Done!");
?>
}
function writeConf($sitename, $sqlUrl)
{
$res = file_put_contents(INSTALLDIR.'/config.php',
"\n".
"\$config['site']['name'] = \"$sitename\";\n\n".
"\$config['db']['database'] = \"$sqlUrl\";\n\n");
return $res;
}
function runDbScript($filename, $conn)
{
$sql = trim(file_get_contents($filename));
$stmts = explode(';', $sql);
foreach ($stmts as $stmt) {
$stmt = trim($stmt);
if (!mb_strlen($stmt)) {
continue;
}
$res = mysql_query($stmt, $conn);
if ($res === false) {
return $res;
}
}
return true;
}
?>
Install Laconica
Install Laconica
main() ?>