3b3dc99159
is_countable() would demand PHP >= 7.3.0 as of which it is available. See https://www.php.net/manual/en/function.is-countable.php Use a polyfill for PHP < 7.3.0 Loading serendipity_admin.php with $serendipity['production'] = false yielded a red alert box: The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open https://.../index.php?/plugin/admin/serendipity_editor.js manually in your browser and check for error messages. Where at the end of that file could be found: == ERROR-REPORT (BETA/ALPHA-BUILDS) == <p><b>Warning:</b> count(): Parameter must be an array or an object that implements Countable in plugins/serendipity_event_linktrimmer/serendipity_event_linktrimmer.php on line 323.</p>
383 lines
16 KiB
PHP
383 lines
16 KiB
PHP
<?php #
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if (IN_serendipity !== true) {
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die ("Don't hack!");
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}
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@serendipity_plugin_api::load_language(dirname(__FILE__));
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if (PHP_VERSION_ID < 70300) {
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// Borrowed from
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// https://github.com/symfony/polyfill/blob/6b0f6d1b248ec4adc9bb18f4a93b30cc9788713a/src/Php73/bootstrap.php#L18
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if (!function_exists('is_countable')) {
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function is_countable($value) {
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return is_array($value) || $value instanceof Countable || $value instanceof ResourceBundle || $value instanceof SimpleXmlElement;
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}
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}
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}
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class serendipity_event_linktrimmer extends serendipity_event {
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var $debug;
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function introspect(&$propbag) {
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global $serendipity;
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$propbag->add('name', PLUGIN_LINKTRIMMER_NAME);
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$propbag->add('description', PLUGIN_LINKTRIMMER_DESC);
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$propbag->add('requirements', array(
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'serendipity' => '1.3',
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'smarty' => '2.6.7',
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'php' => '4.1.0'
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));
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$propbag->add('version', '1.6.6');
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$propbag->add('author', 'Garvin Hicking, Ian');
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$propbag->add('stackable', false);
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$propbag->add('configuration', array('prefix', 'frontpage', 'domain'));
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$propbag->add('event_hooks', array(
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'backend_frontpage_display' => true,
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'css_backend' => true,
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'frontend_configure' => true,
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'backend_dashboard' => true,
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'backend_entry_toolbar_extended' => true,
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'backend_entry_toolbar_body' => true,
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'backend_wysiwyg' => true,
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'external_plugin' => true,
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)
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);
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#$this->dependencies = array('serendipity_event_jquery' => 'keep');
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$propbag->add('groups', array('BACKEND_FEATURES'));
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}
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function introspect_config_item($name, &$propbag) {
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global $serendipity;
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switch($name) {
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case 'prefix':
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$propbag->add('type', 'string');
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$propbag->add('name', PLUGIN_LINKTRIMMER_LINKPREFIX);
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$propbag->add('description', PLUGIN_LINKTRIMMER_LINKPREFIX_DESC);
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$propbag->add('default', 'l');
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break;
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case 'frontpage':
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$propbag->add('type', 'boolean');
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$propbag->add('name', PLUGIN_LINKTRIMMER_FRONTPAGE_OPTION);
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$propbag->add('description', '');
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$propbag->add('default', 'true');
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break;
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case 'domain':
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$propbag->add('type', 'string');
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$propbag->add('name', PLUGIN_LINKTRIMMER_DOMAIN);
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$propbag->add('description', PLUGIN_LINKTRIMMER_DOMAIN_DESC);
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$propbag->add('default', $serendipity['baseURL']);
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break;
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default:
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return false;
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}
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return true;
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}
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function setupDB() {
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global $serendipity;
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if (serendipity_db_bool($this->get_config('db_built_1', false))) {
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return true;
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}
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if (preg_match('@mysql@i', $serendipity['dbType'])) {
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$sql = "CREATE TABLE {$serendipity['dbPrefix']}linktrimmer (
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id {AUTOINCREMENT} {PRIMARY},
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hash varchar(32) collate latin1_general_cs,
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url text
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);";
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} else {
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$sql = "CREATE TABLE {$serendipity['dbPrefix']}linktrimmer (
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id {AUTOINCREMENT} {PRIMARY},
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hash varchar(32),
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url text
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);";
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}
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serendipity_db_schema_import($sql);
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$sql = "CREATE INDEX linkidx ON {$serendipity['dbPrefix']}linktrimmer (hash)";
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serendipity_db_schema_import($sql);
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$this->set_config('db_built_1', 'true');
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}
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function generate_content(&$title) {
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$title = PLUGIN_LINKTRIMMER_NAME;
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}
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static function base62($var) {
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static $base_characters = '0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
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$stack = array();
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while (bccomp($var, 0) != 0) {
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$remainder = bcmod($var, 62);
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$var = bcdiv(bcsub($var, $remainder), 62);
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array_push($stack, $base_characters[$remainder]);
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}
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return implode('', array_reverse($stack));
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}
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static function lookup($url, $custom_hash = '', $pref = '') {
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global $serendipity;
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$custom_hash = trim($custom_hash);
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$url = trim($url);
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if (!preg_match('@https?://@i', $url)) {
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$url = 'http://' . $url;
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}
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$res = serendipity_db_query("SELECT hash FROM {$serendipity['dbPrefix']}linktrimmer WHERE url = '" . serendipity_db_escape_string($url) . "' LIMIT 1", true, 'assoc');
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if (!is_array($res) || empty($res['hash'])) {
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if (!empty($custom_hash)) {
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$res = serendipity_db_query("SELECT hash FROM {$serendipity['dbPrefix']}linktrimmer WHERE hash = '" . serendipity_db_escape_string($custom_hash) . "' LIMIT 1", true, 'assoc');
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if (is_array($res) && !empty($res['hash'])) {
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return false;
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}
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}
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$hash = serendipity_event_linktrimmer::create($url, $custom_hash);
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if (empty($hash)) {
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return false;
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} else {
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return $pref . $hash;
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}
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}
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return $pref . $res['hash'];
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}
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static function create($url, $hash = '') {
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global $serendipity;
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serendipity_db_query("INSERT INTO {$serendipity['dbPrefix']}linktrimmer (url) VALUES ('" . serendipity_db_escape_string($url) . "')");
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$id = serendipity_db_insert_id();
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if (empty($id)) return false;
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if (empty($hash)) {
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$hash = serendipity_event_linktrimmer::base62($id);
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}
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serendipity_db_query("UPDATE {$serendipity['dbPrefix']}linktrimmer
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SET hash = '" . $hash . "'
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WHERE id = " . (int)$id);
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return $hash;
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}
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function show($external = false) {
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global $serendipity;
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if (IN_serendipity !== true) {
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die ("Don't hack!");
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}
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if (!is_object($serendipity['smarty'])) {
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serendipity_smarty_init();
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}
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$this->setupDB();
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$pref = $this->get_config('domain') . $this->get_config('prefix') . '/';
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if ($this->get_config('domain') == $serendipity['baseURL']) {
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$pref = $this->get_config('domain') . $this->get_config('prefix') . '/';
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} else {
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$pref = $this->get_config('domain');
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}
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if (isset($_REQUEST['submit']) && !empty($_REQUEST['linktrimmer_url'])) {
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$url = $this->lookup($_REQUEST['linktrimmer_url'], $_REQUEST['linktrimmer_hash'], $pref);
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if ($url == false) {
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$error = PLUGIN_LINKTRIMMER_ERROR;
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}
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}
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$serendipity['smarty']->assign(array(
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'linktrimmer_ispopup' => $serendipity['enablePopup'],
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'linktrimmer_error' => $error,
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'linktrimmer_url' => $url,
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'linktrimmer_origurl' => $_REQUEST['linktrimmer_url'],
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'linktrimmer_external' => $external,
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'linktrimmer_txtarea' => $_REQUEST['txtarea']
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));
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if ($serendipity['version'][0] > 1) {
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echo $this->parseTemplate('plugin_linktrimmer.tpl');
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} else {
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echo $this->parseTemplate('plugin_linktrimmer_old.tpl');
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}
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}
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function generate_button ($txtarea) {
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global $serendipity;
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if (!isset($txtarea)) {
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$txtarea = 'body';
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}
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$link = ($serendipity['rewrite'] == 'none' ? $serendipity['indexFile'] . '?/' : '') . 'plugin/linktrimmer' . ($serendipity['rewrite'] != 'none' ? '?' : '&') . 'txtarea=' . $txtarea;
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if ($serendipity['version'][0] > 1) {
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?>
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<input type="button" class="input_button" name="insLinktrimmer" value="<?php echo PLUGIN_LINKTRIMMER_NAME; ?>" style="" onclick="serendipity.openPopup('<?php echo $link; ?>', 'linktrimmerSel', 'width=800,height=600,toolbar=no,scrollbars=1,scrollbars,resize=1,resizable=1');">
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<?php
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} else {
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?>
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<input type="button" class="serendipityPrettyButton input_button" name="insLinktrimmer" value="<?php echo PLUGIN_LINKTRIMMER_NAME; ?>" style="" onclick="window.open('<?php echo $link; ?>', 'linktrimmerSel', 'width=800,height=600,toolbar=no,scrollbars=1,scrollbars,resize=1,resizable=1');" />
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<?php
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}
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}
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function event_hook($event, &$bag, &$eventData, $addData = null) {
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global $serendipity;
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static $has_jquery = null;
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$hooks = &$bag->get('event_hooks');
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if (isset($hooks[$event])) {
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if ($has_jquery === null) {
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$has_jquery = class_exists('serendipity_event_jquery');
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if ($serendipity['capabilities']['jquery']) {
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$has_jquery = true;
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}
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}
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switch($event) {
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case 'backend_entry_toolbar_extended':
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if (isset($eventData['backend_entry_toolbar_extended:textarea'])) {
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$txtarea = $serendipity['version'][0] < 2 ? $eventData['backend_entry_toolbar_extended:textarea'] : $eventData['backend_entry_toolbar_extended:nugget'];
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} else {
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$txtarea = 'extended';
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}
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if (!$serendipity['wysiwyg']) {
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$this->generate_button($txtarea);
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return true;
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} else {
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return false;
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}
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break;
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case 'backend_entry_toolbar_body':
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if (isset($eventData['backend_entry_toolbar_body:textarea'])) {
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$txtarea = $serendipity['version'][0] < 2 ? $eventData['backend_entry_toolbar_body:textarea'] : $eventData['backend_entry_toolbar_body:nugget'];
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} else {
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$txtarea = 'body';
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}
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if (!$serendipity['wysiwyg']) {
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$this->generate_button($txtarea);
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return true;
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} else {
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return false;
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}
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break;
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case 'backend_wysiwyg':
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$link = $serendipity['serendipityHTTPPath'] . ($serendipity['rewrite'] == 'none' ? $serendipity['indexFile'] . '?/' : '') . 'plugin/linktrimmer' . ($serendipity['rewrite'] != 'none' ? '?' : '&') . 'txtarea=' . ($serendipity['version'][0] > 1 ? 'linktrimmer'.$eventData['item'] : $eventData['jsname']);
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$open = $serendipity['version'][0] > 1 ? 'serendipity.openPopup' : 'window.open';
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$eventData['buttons'][] = array(
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'id' => 'linktrimmer' . ($serendipity['version'][0] > 1 ? $eventData['item'] : $eventData['jsname']),
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'name' => PLUGIN_LINKTRIMMER_NAME,
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'javascript' => 'function() { '.$open.'(\'' . $link . '\', \'LinkTrimmer\', \'width=800,height=600,toolbar=no,scrollbars=1,scrollbars,resize=1,resizable=1\') }',
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'img_url' => $serendipity['serendipityHTTPPath'] . ($serendipity['rewrite'] == 'none' ? $serendipity['indexFile'] . '?/' : '') . 'plugin/plugin_linktrimmer.gif',
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'img_path' => 'serendipity_event_linktrimmer/serendipity_event_linktrimmer.gif',
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'toolbar' => 'other'
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);//'img_path' deprecated, used by ckeditor plugin <= 4.1.0
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return true;
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break;
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case 'frontend_configure':
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if (preg_match('@' . $serendipity['serendipityHTTPPath'] . '/?(' . $serendipity['indexFile'] . ')?\??' . $this->get_config('prefix') . '/?(.+)$@imsU', $_SERVER['REQUEST_URI'], $m)) {
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$hash = preg_replace('@[^a-z0-9]@imsU', '', $m[2]);
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$res = serendipity_db_query("SELECT url
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FROM {$serendipity['dbPrefix']}linktrimmer
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WHERE hash = '" . serendipity_db_escape_string($hash) . "'
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LIMIT 1", true, 'assoc');
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if (is_array($res) && !empty($res['url'])) {
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$url = str_replace(array("\n", "\r", "\0"), array('', '', ''), $res['url']);
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header('HTTP/1.0 301 Moved Permanently');
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header('Location: ' . $url);
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exit;
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}
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}
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break;
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case 'backend_dashboard':
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if (serendipity_db_bool($this->get_config('frontpage', true)) ) $this->show();
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break;
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case 'backend_frontpage_display':
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if (serendipity_db_bool($this->get_config('frontpage', true) && $serendipity['version'][0] <= 1) ) $this->show();
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break;
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case 'external_plugin':
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if ($_SESSION['serendipityAuthedUser'] !== true) {
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return true;
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}
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$uri_parts = explode('?', str_replace('&', '&', $eventData));
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$parts = explode('&', $uri_parts[0]);
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$uri_part = $parts[0];
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$parts = array_pop($parts);
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if (is_countable($parts) && count($parts) > 1) {
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foreach($parts as $key => $value) {
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$val = explode('=', $value);
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$_REQUEST[$val[0]] = $val[1];
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}
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} else {
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$val = explode('=', $parts[0]);
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$_REQUEST[$val[0]] = $val[1];
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}
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if (!isset($_REQUEST['txtarea'])) {
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$parts = explode('&', $uri_parts[1]);
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if (is_countable($parts) && count($parts) > 1) {
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foreach($parts as $key => $value) {
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$val = explode('=', $value);
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$_REQUEST[$val[0]] = $val[1];
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}
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} else {
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$val = explode('=', $parts[0]);
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$_REQUEST[$val[0]] = $val[1];
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}
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}
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switch($uri_part) {
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case 'plugin_linktrimmer.gif':
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header('Content-Type: image/gif');
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echo file_get_contents(dirname(__FILE__) . '/serendipity_event_linktrimmer.gif');
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break;
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case 'linktrimmer':
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$this->show(true);
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}
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break;
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case 'css_backend':
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if (!strpos($eventData, '.linktrimmer')) {
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// class exists in CSS, so a user has customized it and we don't need default
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echo file_get_contents(dirname(__FILE__) . '/linktrimmer.css');
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if ($serendipity['version'][0] < 2) echo '#linktrimmer_url.input_textbox { width: inherit; }';
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}
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break;
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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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/* vim: set sts=4 ts=4 expandtab : */
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