forked from GNUsocial/gnu-social
453 lines
14 KiB
PHP
453 lines
14 KiB
PHP
<?php
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/**
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* Laconica - a distributed open-source microblogging tool
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* Copyright (C) 2009, Control Yourself, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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define('INSTALLDIR', dirname(__FILE__));
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function main()
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{
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if (!checkPrereqs())
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{
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return;
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}
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if ($_SERVER['REQUEST_METHOD'] == 'POST') {
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handlePost();
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} else {
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showForm();
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}
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}
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function checkPrereqs()
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{
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$pass = true;
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if (file_exists(INSTALLDIR.'/config.php')) {
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?><p class="error">Config file "config.php" already exists.</p>
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<?php
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$pass = false;
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}
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if (version_compare(PHP_VERSION, '5.2.3', '<')) {
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?><p class="error">Require PHP version 5.2.3 or greater.</p><?php
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$pass = false;
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}
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$reqs = array('gd', 'curl',
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'xmlwriter', 'mbstring',
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'gettext');
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foreach ($reqs as $req) {
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if (!checkExtension($req)) {
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?><p class="error">Cannot load required extension: <code><?php echo $req; ?></code></p><?php
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$pass = false;
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}
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}
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if (!checkExtension('pgsql') && !checkExtension('mysql')) {
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?><p class="error">Cannot find mysql or pgsql extension. You need one or the other: <code><?php echo $req; ?></code></p><?php
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$pass = false;
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}
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if (!is_writable(INSTALLDIR)) {
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?><p class="error">Cannot write config file to: <code><?php echo INSTALLDIR; ?></code></p>
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<p>On your server, try this command: <code>chmod a+w <?php echo INSTALLDIR; ?></code>
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<?php
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$pass = false;
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}
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// Check the subdirs used for file uploads
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$fileSubdirs = array('avatar', 'background', 'file');
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foreach ($fileSubdirs as $fileSubdir) {
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$fileFullPath = INSTALLDIR."/$fileSubdir/";
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if (!is_writable($fileFullPath)) {
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?><p class="error">Cannot write <?php echo $fileSubdir; ?> directory: <code><?php echo $fileFullPath; ?></code></p>
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<p>On your server, try this command: <code>chmod a+w <?php echo $fileFullPath; ?></code></p>
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<?php
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$pass = false;
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}
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}
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return $pass;
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}
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function checkExtension($name)
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{
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if (!extension_loaded($name)) {
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if (!dl($name.'.so')) {
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return false;
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}
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}
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return true;
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}
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function showForm()
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{
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echo<<<E_O_T
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</ul>
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</dd>
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</dl>
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<dl id="page_notice" class="system_notice">
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<dt>Page notice</dt>
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<dd>
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<div class="instructions">
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<p>Enter your database connection information below to initialize the database.</p>
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</div>
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</dd>
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</dl>
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<form method="post" action="install.php" class="form_settings" id="form_install">
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<fieldset>
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<legend>Connection settings</legend>
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<ul class="form_data">
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<li>
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<label for="sitename">Site name</label>
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<input type="text" id="sitename" name="sitename" />
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<p class="form_guide">The name of your site</p>
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</li>
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<li>
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<label for="fancy-enable">Fancy URLs</label>
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<input type="radio" name="fancy" id="fancy-enable" value="enable" checked='checked' /> enable<br />
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<input type="radio" name="fancy" id="fancy-disable" value="" /> disable<br />
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<p class="form_guide" id='fancy-form_guide'>Enable fancy (pretty) URLs. Auto-detection failed, it depends on Javascript.</p>
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</li>
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<li>
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<label for="host">Hostname</label>
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<input type="text" id="host" name="host" />
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<p class="form_guide">Database hostname</p>
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</li>
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<li>
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<label for="dbtype">Type</label>
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<input type="radio" name="dbtype" id="fancy-mysql" value="mysql" checked='checked' /> MySQL<br />
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<input type="radio" name="dbtype" id="dbtype-pgsql" value="pgsql" /> PostgreSQL<br />
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<p class="form_guide">Database type</p>
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</li>
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<li>
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<label for="database">Name</label>
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<input type="text" id="database" name="database" />
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<p class="form_guide">Database name</p>
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</li>
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<li>
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<label for="username">Username</label>
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<input type="text" id="username" name="username" />
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<p class="form_guide">Database username</p>
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</li>
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<li>
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<label for="password">Password</label>
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<input type="password" id="password" name="password" />
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<p class="form_guide">Database password (optional)</p>
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</li>
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</ul>
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<input type="submit" name="submit" class="submit" value="Submit" />
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</fieldset>
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</form>
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E_O_T;
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}
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function updateStatus($status, $error=false)
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{
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?>
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<li <?php echo ($error) ? 'class="error"': ''; ?>><?print $status;?></li>
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<?php
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}
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function handlePost()
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{
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?>
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<?php
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$host = $_POST['host'];
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$dbtype = $_POST['dbtype'];
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$database = $_POST['database'];
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$username = $_POST['username'];
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$password = $_POST['password'];
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$sitename = $_POST['sitename'];
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$fancy = !empty($_POST['fancy']);
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$server = $_SERVER['HTTP_HOST'];
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$path = substr(dirname($_SERVER['PHP_SELF']), 1);
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?>
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<dl class="system_notice">
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<dt>Page notice</dt>
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<dd>
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<ul>
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<?php
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$fail = false;
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if (empty($host)) {
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updateStatus("No hostname specified.", true);
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$fail = true;
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}
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if (empty($database)) {
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updateStatus("No database specified.", true);
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$fail = true;
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}
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if (empty($username)) {
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updateStatus("No username specified.", true);
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$fail = true;
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}
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// if (empty($password)) {
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// updateStatus("No password specified.", true);
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// $fail = true;
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// }
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if (empty($sitename)) {
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updateStatus("No sitename specified.", true);
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$fail = true;
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}
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if($fail){
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showForm();
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return;
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}
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switch($dbtype) {
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case 'mysql':
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$db = mysql_db_installer($host, $database, $username, $password);
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break;
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case 'pgsql':
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$db = pgsql_db_installer($host, $database, $username, $password);
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break;
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default:
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}
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if (!$db) {
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// database connection failed, do not move on to create config file.
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return false;
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}
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updateStatus("Writing config file...");
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$res = writeConf($sitename, $server, $path, $fancy, $db);
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if (!$res) {
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updateStatus("Can't write config file.", true);
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showForm();
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return;
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}
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/*
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TODO https needs to be considered
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*/
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$link = "http://".$server.'/'.$path;
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updateStatus("Laconica has been installed at $link");
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updateStatus("You can visit your <a href='$link'>new Laconica site</a>.");
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?>
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<?php
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}
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function pgsql_db_installer($host, $database, $username, $password) {
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$connstring = "dbname=$database host=$host user=$username";
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//No password would mean trust authentication used.
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if (!empty($password)) {
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$connstring .= " password=$password";
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}
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updateStatus("Starting installation...");
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updateStatus("Checking database...");
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$conn = pg_connect($connstring);
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if ($conn ===false) {
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updateStatus("Failed to connect to database: $connstring");
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showForm();
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return false;
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}
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//ensure database encoding is UTF8
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$record = pg_fetch_object(pg_query($conn, 'SHOW server_encoding'));
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if ($record->server_encoding != 'UTF8') {
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updateStatus("Laconica requires UTF8 character encoding. Your database is ". htmlentities($record->server_encoding));
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showForm();
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return false;
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}
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updateStatus("Running database script...");
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//wrap in transaction;
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pg_query($conn, 'BEGIN');
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$res = runDbScript(INSTALLDIR.'/db/laconica_pg.sql', $conn, 'pgsql');
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if ($res === false) {
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updateStatus("Can't run database script.", true);
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showForm();
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return false;
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}
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foreach (array('sms_carrier' => 'SMS carrier',
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'notice_source' => 'notice source',
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'foreign_services' => 'foreign service')
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as $scr => $name) {
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updateStatus(sprintf("Adding %s data to database...", $name));
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$res = runDbScript(INSTALLDIR.'/db/'.$scr.'.sql', $conn, 'pgsql');
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if ($res === false) {
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updateStatus(sprintf("Can't run %d script.", $name), true);
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showForm();
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return false;
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}
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}
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pg_query($conn, 'COMMIT');
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if (empty($password)) {
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$sqlUrl = "pgsql://$username@$host/$database";
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}
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else {
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$sqlUrl = "pgsql://$username:$password@$host/$database";
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}
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$db = array('type' => 'pgsql', 'database' => $sqlUrl);
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return $db;
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}
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function mysql_db_installer($host, $database, $username, $password) {
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updateStatus("Starting installation...");
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updateStatus("Checking database...");
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$conn = mysql_connect($host, $username, $password);
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if (!$conn) {
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updateStatus("Can't connect to server '$host' as '$username'.", true);
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showForm();
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return false;
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}
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updateStatus("Changing to database...");
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$res = mysql_select_db($database, $conn);
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if (!$res) {
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updateStatus("Can't change to database.", true);
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showForm();
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return false;
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}
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updateStatus("Running database script...");
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$res = runDbScript(INSTALLDIR.'/db/laconica.sql', $conn);
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if ($res === false) {
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updateStatus("Can't run database script.", true);
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showForm();
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return false;
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}
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foreach (array('sms_carrier' => 'SMS carrier',
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'notice_source' => 'notice source',
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'foreign_services' => 'foreign service')
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as $scr => $name) {
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updateStatus(sprintf("Adding %s data to database...", $name));
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$res = runDbScript(INSTALLDIR.'/db/'.$scr.'.sql', $conn);
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if ($res === false) {
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updateStatus(sprintf("Can't run %d script.", $name), true);
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showForm();
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return false;
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}
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}
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$sqlUrl = "mysqli://$username:$password@$host/$database";
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$db = array('type' => 'mysql', 'database' => $sqlUrl);
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return $db;
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}
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function writeConf($sitename, $server, $path, $fancy, $db)
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{
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// assemble configuration file in a string
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$cfg = "<?php\n".
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"if (!defined('LACONICA')) { exit(1); }\n\n".
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// site name
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"\$config['site']['name'] = '$sitename';\n\n".
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// site location
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"\$config['site']['server'] = '$server';\n".
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"\$config['site']['path'] = '$path'; \n\n".
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// checks if fancy URLs are enabled
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($fancy ? "\$config['site']['fancy'] = true;\n\n":'').
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// database
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"\$config['db']['database'] = '{$db['database']}';\n\n".
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($type == 'pgsql' ? "\$config['db']['quote_identifiers'] = true;\n\n":'').
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"\$config['db']['type'] = '{$db['type']}';\n\n".
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"?>";
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// write configuration file out to install directory
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$res = file_put_contents(INSTALLDIR.'/config.php', $cfg);
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return $res;
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}
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function runDbScript($filename, $conn, $type = 'mysql')
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{
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$sql = trim(file_get_contents($filename));
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$stmts = explode(';', $sql);
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foreach ($stmts as $stmt) {
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$stmt = trim($stmt);
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if (!mb_strlen($stmt)) {
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continue;
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}
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switch ($type) {
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case 'mysql':
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$res = mysql_query($stmt, $conn);
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break;
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case 'pgsql':
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$res = pg_query($conn, $stmt);
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break;
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default:
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updateStatus("runDbScript() error: unknown database type ". $type ." provided.");
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}
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if ($res === false) {
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updateStatus("FAILED SQL: $stmt");
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return $res;
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}
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}
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return true;
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}
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?>
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<?php echo"<?"; ?> xml version="1.0" encoding="UTF-8" <?php echo "?>"; ?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en_US" lang="en_US">
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<head>
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<title>Install Laconica</title>
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<link rel="shortcut icon" href="favicon.ico"/>
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<link rel="stylesheet" type="text/css" href="theme/default/css/display.css?version=0.8" media="screen, projection, tv"/>
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<!--[if IE]><link rel="stylesheet" type="text/css" href="theme/base/css/ie.css?version=0.8" /><![endif]-->
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<!--[if lte IE 6]><link rel="stylesheet" type="text/css" theme/base/css/ie6.css?version=0.8" /><![endif]-->
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<!--[if IE]><link rel="stylesheet" type="text/css" href="theme/default/css/ie.css?version=0.8" /><![endif]-->
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<script src="js/jquery.min.js"></script>
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<script src="js/install.js"></script>
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</head>
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<body id="install">
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<div id="wrap">
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<div id="header">
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<address id="site_contact" class="vcard">
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<a class="url home bookmark" href=".">
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<img class="logo photo" src="theme/default/logo.png" alt="Laconica"/>
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<span class="fn org">Laconica</span>
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</a>
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</address>
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</div>
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<div id="core">
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<div id="content">
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<h1>Install Laconica</h1>
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<?php main(); ?>
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</div>
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</div>
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</div>
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</body>
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</html>
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