includes/wikiengine/Render/Xhtml/Wikilink.php
author Dan
Sat, 25 Aug 2007 12:11:31 -0400
changeset 98 6457a9b983c6
parent 67 f6454d5fec7a
child 713 6865705ec8a6
permissions -rw-r--r--
Fixed non-object reference in databaseless template, added locking for Javascript paginator, made comments on AES key size more clear in constants, and disallowed "anonymous" and IP addresses for admin username in install.php; Loch Ness release candidate
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<?php
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// vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4:
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/**
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 * Wikilink rule end renderer for Xhtml
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 *
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 * PHP versions 4 and 5
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 *
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 * @category   Text
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 * @package    Text_Wiki
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 * @author     Paul M. Jones <pmjones@php.net>
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 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
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 * @version    CVS: $Id: Wikilink.php,v 1.17 2006/02/28 03:15:09 justinpatrin Exp $
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 * @link       http://pear.php.net/package/Text_Wiki
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 */
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/**
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 * This class renders wiki links in XHTML.
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 *
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 * @category   Text
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 * @package    Text_Wiki
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 * @author     Paul M. Jones <pmjones@php.net>
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 * @license    http://www.gnu.org/copyleft/lesser.html  LGPL License 2.1
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 * @version    Release: @package_version@
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 * @link       http://pear.php.net/package/Text_Wiki
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 */
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class Text_Wiki_Render_Xhtml_Wikilink extends Text_Wiki_Render {
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  var $conf;
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  function Text_Wiki_Render_Xhtml_Wikilink() {
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    $_utemp = contentPath.'%s';
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    $this->conf = array(
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        'pages' => array(), // set to null or false to turn off page checks
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        'view_url' => $_utemp,
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        'new_url'  => $_utemp,
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        'new_text' => ' [x]',
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        'new_text_pos' => false, // 'before', 'after', or null/false
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        'css' => null,
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        'css_new' => null,
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        'exists_callback' => 'isPage' // call_user_func() callback
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    );
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  }
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    /**
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    *
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    * Renders a token into XHTML.
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    *
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    * @access public
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    *
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    * @param array $options The "options" portion of the token (second
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    * element).
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    *
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    * @return string The text rendered from the token options.
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    *
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    */
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    function token($options)
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    {
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        global $session;
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        if ( $session->sid_super )
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        {
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          $as = htmlspecialchars(urlSeparator) . 'auth='.$session->sid_super;
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        }
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        else
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        {
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          $as = '';
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        }
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        // make nice variable names (page, anchor, text)
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        extract($options);
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        // is there a "page existence" callback?
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        // we need to access it directly instead of through
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        // getConf() because we'll need a reference (for
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        // object instance method callbacks).
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        if (isset($this->conf['exists_callback'])) {
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            $callback =& $this->conf['exists_callback'];
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        } else {
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        	$callback = false;
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        }
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        $page = sanitize_page_id( $page );
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        if ($callback) {
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            // use the callback function
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            $exists = call_user_func($callback, $page);
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        } else {
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            // no callback, go to the naive page array.
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            $list = $this->getConf('pages');
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            if (is_array($list)) {
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                // yes, check against the page list
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                $exists = in_array($page, $list);
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            } else {
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                // no, assume it exists
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                $exists = true;
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            }
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        }
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        // convert *after* checking against page names so as not to mess
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        // up what the user typed and what we're checking.
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        //$page = $this->urlEncode($page);
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        $anchor = $this->urlEncode($anchor);
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        // $text = $this->textEncode($text);
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        // hackish fix for the "external" image in Oxygen [added for Enano]
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        if ( preg_match('/<(.+?)>/is', $text) )
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        {
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          $nobg = ' style="background-image: none; padding-right: 0;"';
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        }
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        else
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        {
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          $nobg = '';
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        }
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        // does the page exist?
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        if ($exists) {
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            // PAGE EXISTS.
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            // link to the page view, but we have to build
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            // the HREF.  we support both the old form where
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            // the page always comes at the end, and the new
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            // form that uses %s for sprintf()
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            $href = $this->getConf('view_url');
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            if (strpos($href, '%s') === false) {
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                // use the old form (page-at-end)
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                $href = $href . $page . $anchor;
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            } else {
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                // use the new form (sprintf format string)
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                $href = sprintf($href, $page . $anchor);
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            }
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            // get the CSS class and generate output
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            $css = $this->formatConf(' class="%s"', 'css');
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            $start = '<a'.$css.' href="'.$href.$as.'"'.$nobg.'>';
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            $end = '</a>';
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        } else {
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            // PAGE DOES NOT EXIST.
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            // link to the page view, but we have to build
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            // the HREF.  we support both the old form where
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            // the page always comes at the end, and the new
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            // form that uses %s for sprintf()
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            $href = $this->getConf('view_url');
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            if (strpos($href, '%s') === false) {
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                // use the old form (page-at-end)
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                $href = $href . $page . $anchor;
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            } else {
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                // use the new form (sprintf format string)
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                $href = sprintf($href, $page . $anchor);
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            }
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            // get the CSS class and generate output
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            $css = $this->formatConf(' class="%s"', 'css');
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            $start = '<a'.$css.' href="'.$href.$as.'"'.$nobg.' class="wikilink-nonexistent">';
1
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            $end = '</a>';
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        }
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        if (!strlen($text)) {
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            $start .= $this->textEncode($options['page']);
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        }
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        if (isset($type)) {
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            switch ($type) {
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            case 'start':
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                $output = $start;
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                break;
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            case 'end':
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                $output = $end;
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                break;
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            }
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        } else {
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            $output = $start.$text.$end;
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        }
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        return $output;
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    }
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}
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?>