250 lines
7.8 KiB
PHP
250 lines
7.8 KiB
PHP
<?php
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/**
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* @brief kUtRL, a plugin for Dotclear 2
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*
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* @package Dotclear
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* @subpackage Plugin
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*
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* @author Jean-Christian Denis and contributors
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*
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* @copyright Jean-Christian Denis
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* @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
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*/
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if (!defined('DC_RC_PATH')) {
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return null;
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}
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class localKutrlService extends kutrlService
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{
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protected $config = [
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'id' => 'local',
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'name' => 'kUtRL',
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'home' => 'https://github.com/JcDenis/kUtRL',
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'allow_custom_hash' => true
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];
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protected function init()
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{
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$protocols = (string) $this->settings->kutrl_srv_local_protocols;
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$this->config['allow_protocols'] = empty($protocols) ? [] : explode(',', $protocols);
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$this->config['url_base'] = $this->core->blog->url . $this->core->url->getBase('kutrl') . '/';
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$this->config['url_min_len'] = strlen($this->url_base) + 2;
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}
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public function saveSettings()
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{
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$this->settings->put('kutrl_srv_local_protocols', $_POST['kutrl_srv_local_protocols'], 'string');
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$this->settings->put('kutrl_srv_local_public', isset($_POST['kutrl_srv_local_public']), 'boolean');
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$this->settings->put('kutrl_srv_local_css', $_POST['kutrl_srv_local_css'], 'string');
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$this->settings->put('kutrl_srv_local_404_active', isset($_POST['kutrl_srv_local_404_active']), 'boolean');
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}
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public function settingsForm()
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{
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echo
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'<div class="two-cols"><div class="col">' .
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'<p><strong>' . __('Settings:') . '</strong></p>' .
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'<p><label class="classic">' .
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__('Allowed protocols:') . '<br />' .
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form::field(['kutrl_srv_local_protocols'], 50, 255, $this->settings->kutrl_srv_local_protocols) .
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'</label></p>' .
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'<p class="form-note">' .
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__('Use comma seperated list like: "http:,https:,ftp:"') .
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'</p>' .
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'<p><label class="classic">' .
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form::checkbox(['kutrl_srv_local_public'], '1', $this->settings->kutrl_srv_local_public) . ' ' .
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__('Enable public page for visitors to shorten links') .
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'</label></p>' .
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'<p class="area" id="style-area"><label for="_style">' . __('CSS:') . '</label>' .
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form::textarea('kutrl_srv_local_css',50,3,html::escapeHTML($this->settings->kutrl_srv_local_css), '', 2) .
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'</p>' .
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'<p class="form-note">' . __('You can add here special cascading style sheet. Body of page has class "dc-kutrl" and widgets have class "shortenkutrlwidget" and "rankkutrlwidget".') . '</p>' .
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'<p><label class="classic">' .
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form::checkbox(['kutrl_srv_local_404_active'], '1', $this->settings->kutrl_srv_local_404_active) . ' ' .
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__('Enable special 404 error public page for unknow urls') .
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'</label></p>' .
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'<p class="form-note">' . __('If this is not activated, the default 404 page of the theme will be display.') . '</p>' .
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'</div><div class="col">' .
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'<p><strong>' . __('Note:') . '</strong></p>' .
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'<p>' .
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__('This service use your own Blog to shorten and serve URL.') . '<br />' .
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sprintf(__('This means that with this service short links start with "%s".'), $this->url_base) .
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'</p>' .
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'<p>' .
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__("You can use Dotclear's plugin called myUrlHandlers to change short links prefix on your blog.");
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if (preg_match('/index\.php/', $this->url_base)) {
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echo
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'<p>' .
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__("We recommand that you use a rewrite engine in order to remove 'index.php' from your blog's URL.") .
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'<br /><a href="http://fr.dotclear.org/documentation/2.0/usage/blog-parameters">' .
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__("You can find more about this on the Dotclear's documentation.") .
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'</a></p>';
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}
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echo
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'</p>' .
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'<p>' . __('There are two templates delivered with kUtRL, if you do not use default theme, you may adapt them to yours.') . '<br />' .
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__('Files are in plugin directory /default-templates, just copy them into your theme and edit them.') . '</p>' .
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'</div></div><br class="clear"/>';
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}
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public function testService()
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{
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$ap = $this->allow_protocols;
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if (!empty($ap)) {
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return true;
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} else {
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$this->error->add(__('Service is not well configured.'));
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return false;
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}
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}
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public function createHash($url, $hash = null)
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{
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# Create response object
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$rs = new ArrayObject();
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$rs->type = 'local';
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$rs->url = $url;
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# Normal link
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if ($hash === null) {
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$type = 'localnormal';
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$rs->hash = $this->next($this->last('localnormal'));
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# Mixed custom link
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} elseif (preg_match('/^([A-Za-z0-9]{2,})\!\!$/', $hash, $m)) {
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$type = 'localmix';
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$rs->hash = $m[1] . $this->next(-1, $m[1]);
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# Custom link
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} elseif (preg_match('/^[A-Za-z0-9\.\-\_]{2,}$/', $hash)) {
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if (false !== $this->log->select(null, $hash, null, 'local')) {
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$this->error->add(__('Custom short link is already taken.'));
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return false;
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}
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$type = 'localcustom';
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$rs->hash = $hash;
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# Wrong char in custom hash
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} else {
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$this->error->add(__('Custom short link is not valid.'));
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return false;
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}
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# Save link
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try {
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$this->log->insert($rs->url, $rs->hash, $type, $rs->type);
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return $rs;
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} catch (Exception $e) {
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$this->error->add(__('Failed to save link.'));
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}
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return false;
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}
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protected function last($type)
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{
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return false === ($rs = $this->log->select(null, null, $type, 'local')) ?
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-1 : $rs->hash;
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}
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protected function next($last_id, $prefix = '')
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{
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if ($last_id == -1) {
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$next_id = 0;
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} else {
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for($x = 1; $x <= strlen($last_id); $x++) {
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$pos = strlen($last_id) - $x;
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if ($last_id[$pos] != 'z') {
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$next_id = $this->increment($last_id, $pos);
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break;
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}
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}
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if (!isset($next_id)) {
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$next_id = $this->append($last_id);
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}
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}
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return false === $this->log->select(null,$prefix . $next_id, null, 'local') ?
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$next_id : $this->next($next_id, $prefix);
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}
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protected function append($id)
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{
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$id = str_split($id);
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for ($x = 0; $x < count($id); $x++) {
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$id[$x] = 0;
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}
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return implode($id) . '0';
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}
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protected function increment($id, $pos)
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{
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$id = str_split($id);
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$char = $id[$pos];
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if (is_numeric($char)) {
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$new_char = $char < 9 ? $char + 1 : 'a';
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} else {
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$new_char = chr(ord($char) + 1);
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}
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$id[$pos] = $new_char;
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if ($pos != (count($id) - 1)) {
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for ($x = ($pos + 1); $x < count($id); $x++) {
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$id[$x] = 0;
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}
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}
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return implode($id);
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}
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public function getUrl($hash)
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{
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if (false === ($rs = $this->log->select(null, $hash, null, 'local'))) {
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return false;
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}
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if (!$rs->url) { //previously removed url
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return false;
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}
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$this->log->counter($rs->id, 'up');
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return $rs->url;
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}
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public function deleteUrl($url, $delete = false)
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{
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if (false === ($rs = $this->log->select($url, null, null, 'local'))) {
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return false;
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}
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if ($delete) {
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$this->log->delete($rs->id);
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} else {
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$this->log->clear($rs->id, '');
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}
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return true;
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}
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} |