diff options
Diffstat (limited to 'install.php')
| -rw-r--r-- | install.php | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/install.php b/install.php new file mode 100644 index 000000000..18fc362b6 --- /dev/null +++ b/install.php @@ -0,0 +1,213 @@ +<? +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')) { + ?><p class="error">Config file "config.php" already exists.</p> + <? + return false; + } + + if (version_compare(PHP_VERSION, '5.0.0', '<')) { + ?><p class="error">Require PHP version 5 or greater.</p><? + return false; + } + + $reqs = array('gd', 'mysql', 'curl', + 'xmlwriter', 'mbstring', + 'gettext'); + + foreach ($reqs as $req) { + if (!checkExtension($req)) { + ?><p class="error">Cannot load required extension "<?= $req ?>".</p><? + return false; + } + } + + if (!is_writable(INSTALLDIR)) { + ?><p class="error">Cannot write config file to "<?= INSTALLDIR ?>".</p> + <p>On your server, try this command:</p> + <blockquote>chmod a+w <?= INSTALLDIR ?></blockquote> + <? + return false; + } + + if (!is_writable(INSTALLDIR.'/avatar/')) { + ?><p class="error">Cannot write avatar directory "<?= INSTALLDIR ?>/avatar/".</p> + <p>On your server, try this command:</p> + <blockquote>chmod a+w <?= INSTALLDIR ?>/avatar/</blockquote> + <? + return false; + } + + return true; +} + +function checkExtension($name) +{ + if (!extension_loaded($name)) { + if (!dl($name.'.so')) { + return false; + } + } + return true; +} + +function showForm() +{ +?> +<p>Enter your database connection information below to initialize the database.</p> +<form method='post' action='install.php'> + <fieldset> + <ul class='form_data'> + <li> + <label for='sitename'>Site name</label> + <input type='text' id='sitename' name='sitename' /> + <p>The name of your site</p> + </li> + <li> + <li> + <label for='host'>Hostname</label> + <input type='text' id='host' name='host' /> + <p>Database hostname</p> + </li> + <li> + <label for='host'>Database</label> + <input type='text' id='database' name='database' /> + <p>Database name</p> + </li> + <li> + <label for='username'>Username</label> + <input type='text' id='username' name='username' /> + <p>Database username</p> + </li> + <li> + <label for='password'>Password</label> + <input type='password' id='password' name='password' /> + <p>Database password</p> + </li> + </ul> + <input type='submit' name='submit' value='Submit'> + </fieldset> +</form> +<? +} + +function updateStatus($status, $error=false) +{ +?> + <li> +<? + print $status; +?> + </li> +<? +} + +function handlePost() +{ +?> + <ul> +<? + $host = $_POST['host']; + $database = $_POST['database']; + $username = $_POST['username']; + $password = $_POST['password']; + $sitename = $_POST['sitename']; + + 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!"); +?> + </ul> +<? +} + +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; +} + +?> +<html> +<head> + <title>Install Laconica</title> + <link rel="stylesheet" type="text/css" href="theme/base/css/display.css?version=0.7.1" media="screen, projection, tv"/> + <link rel="stylesheet" type="text/css" href="theme/base/css/modal.css?version=0.7.1" media="screen, projection, tv"/> + <link rel="stylesheet" type="text/css" href="theme/default/css/display.css?version=0.7.1" media="screen, projection, tv"/> +</head> +<body> + <div id="wrap"> + <div id="core"> + <div id="content"> + <h1>Install Laconica</h1> +<? main() ?> + </div> + </div> + </div> +</body> +</html>
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