]> CyberLeo.Net >> Repos - Github/YOURLS.git/blob - includes/functions-html.php
Refactor functions sending headers to be testable
[Github/YOURLS.git] / includes / functions-html.php
1 <?php
2
3 /**
4  * Display <h1> header and logo
5  *
6  */
7 function yourls_html_logo() {
8         yourls_do_action( 'pre_html_logo' );
9         ?>
10         <h1>
11                 <a href="<?php echo yourls_admin_url( 'index.php' ) ?>" title="YOURLS"><span>YOURLS</span>: <span>Y</span>our <span>O</span>wn <span>URL</span> <span>S</span>hortener<br/>
12                 <img src="<?php yourls_site_url(); ?>/images/yourls-logo.png" alt="YOURLS" title="YOURLS" border="0" style="border: 0px;" /></a>
13         </h1>
14         <?php
15         yourls_do_action( 'html_logo' );
16 }
17
18 /**
19  * Display HTML head and <body> tag
20  *
21  * @param string $context Context of the page (stats, index, infos, ...)
22  * @param string $title HTML title of the page
23  */
24 function yourls_html_head( $context = 'index', $title = '' ) {
25
26         yourls_do_action( 'pre_html_head', $context, $title );
27         
28         // All components to false, except when specified true
29         $share = $insert = $tablesorter = $tabs = $cal = $charts = false;
30         
31         // Load components as needed
32         switch ( $context ) {
33                 case 'infos':
34                         $share = $tabs = $charts = true;
35                         break;
36                         
37                 case 'bookmark':
38                         $share = $insert = $tablesorter = true;
39                         break;
40                         
41                 case 'index':
42                         $insert = $tablesorter = $cal = $share = true;
43                         break;
44                         
45                 case 'plugins':
46                 case 'tools':
47                         $tablesorter = true;
48                         break;
49                 
50                 case 'install':
51                 case 'login':
52                 case 'new':
53                 case 'upgrade':
54                         break;
55         }
56         
57         // Force no cache for all admin pages
58         if( yourls_is_admin() && !headers_sent() ) {
59                 header( 'Expires: Thu, 23 Mar 1972 07:00:00 GMT' );
60                 header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' );
61                 header( 'Cache-Control: no-cache, must-revalidate, max-age=0' );
62                 header( 'Pragma: no-cache' );
63                 yourls_content_type_header( yourls_apply_filter( 'html_head_content-type', 'text/html' ) );
64                 yourls_do_action( 'admin_headers', $context, $title );
65         }
66         
67         // Store page context in global object
68         global $ydb;
69         $ydb->context = $context;
70         
71         // Body class
72         $bodyclass = yourls_apply_filter( 'bodyclass', '' );
73         $bodyclass .= ( yourls_is_mobile_device() ? 'mobile' : 'desktop' );
74         
75         // Page title
76         $_title = 'YOURLS &mdash; Your Own URL Shortener | ' . yourls_link();
77         $title = $title ? $title . " &laquo; " . $_title : $_title;
78         $title = yourls_apply_filter( 'html_title', $title, $context );
79         
80         ?>
81 <!DOCTYPE html>
82 <html <?php yourls_html_language_attributes(); ?>>
83 <head>
84         <title><?php echo $title ?></title>
85         <link rel="shortcut icon" href="<?php yourls_favicon(); ?>" />
86         <meta http-equiv="Content-Type" content="<?php echo yourls_apply_filter( 'html_head_meta_content-type', 'text/html; charset=utf-8' ); ?>" />
87         <meta name="generator" content="YOURLS <?php echo YOURLS_VERSION ?>" />
88         <meta name="description" content="YOURLS &raquo; Your Own URL Shortener' | <?php yourls_site_url(); ?>" />
89     <meta name="referrer" content="always" />
90         <script src="<?php yourls_site_url(); ?>/js/jquery-1.9.1.min.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
91         <script src="<?php yourls_site_url(); ?>/js/common.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
92         <script src="<?php yourls_site_url(); ?>/js/jquery.notifybar.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
93         <link rel="stylesheet" href="<?php yourls_site_url(); ?>/css/style.css?v=<?php echo YOURLS_VERSION; ?>" type="text/css" media="screen" />
94         <?php if ( $tabs ) { ?>
95                 <link rel="stylesheet" href="<?php yourls_site_url(); ?>/css/infos.css?v=<?php echo YOURLS_VERSION; ?>" type="text/css" media="screen" />
96                 <script src="<?php yourls_site_url(); ?>/js/infos.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
97         <?php } ?>
98         <?php if ( $tablesorter ) { ?>
99                 <link rel="stylesheet" href="<?php yourls_site_url(); ?>/css/tablesorter.css?v=<?php echo YOURLS_VERSION; ?>" type="text/css" media="screen" />
100                 <script src="<?php yourls_site_url(); ?>/js/jquery.tablesorter.min.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
101         <?php } ?>
102         <?php if ( $insert ) { ?>
103                 <script src="<?php yourls_site_url(); ?>/js/insert.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
104         <?php } ?>
105         <?php if ( $share ) { ?>
106                 <link rel="stylesheet" href="<?php yourls_site_url(); ?>/css/share.css?v=<?php echo YOURLS_VERSION; ?>" type="text/css" media="screen" />
107                 <script src="<?php yourls_site_url(); ?>/js/share.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
108                 <script src="<?php yourls_site_url(); ?>/js/jquery.zclip.min.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
109         <?php } ?>
110         <?php if ( $cal ) { ?>
111                 <link rel="stylesheet" href="<?php yourls_site_url(); ?>/css/cal.css?v=<?php echo YOURLS_VERSION; ?>" type="text/css" media="screen" />
112                 <?php yourls_l10n_calendar_strings(); ?>
113                 <script src="<?php yourls_site_url(); ?>/js/jquery.cal.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
114         <?php } ?>
115         <?php if ( $charts ) { ?>
116                         <script type="text/javascript" src="https://www.google.com/jsapi"></script>
117                         <script type="text/javascript">
118                                          google.load('visualization', '1.0', {'packages':['corechart', 'geochart']});
119                         </script>
120         <?php } ?>
121         <script type="text/javascript">
122         //<![CDATA[
123                 var ajaxurl  = '<?php echo yourls_admin_url( 'admin-ajax.php' ); ?>';
124                 var zclipurl = '<?php yourls_site_url(); ?>/js/ZeroClipboard.swf';
125         //]]>
126         </script>
127         <?php yourls_do_action( 'html_head', $context ); ?>
128 </head>
129 <body class="<?php echo $context; ?> <?php echo $bodyclass; ?>">
130 <div id="wrap">
131         <?php
132 }
133
134 /**
135  * Display HTML footer (including closing body & html tags)
136  *
137  */
138 function yourls_html_footer() {
139         global $ydb;
140         
141         $num_queries = sprintf( yourls_n( '1 query', '%s queries', $ydb->num_queries ), $ydb->num_queries );
142         ?>
143         </div> <?php // wrap ?>
144         <div id="footer"><p>
145                 <?php
146                 $footer  = yourls_s( 'Powered by %s', '<a href="http://yourls.org/" title="YOURLS">YOURLS</a> v ' . YOURLS_VERSION );
147                 $footer .= ' &ndash; '.$num_queries;
148                 echo yourls_apply_filter( 'html_footer_text', $footer );
149                 ?>
150         </p></div>
151         <?php if( defined( 'YOURLS_DEBUG' ) && YOURLS_DEBUG == true ) {
152                 echo '<div style="text-align:left"><pre>';
153                 echo join( "\n", $ydb->debug_log );
154                 echo '</div>';
155         } ?>
156         <?php yourls_do_action( 'html_footer', $ydb->context ); ?>
157         </body>
158         </html>
159         <?php
160 }
161
162 /**
163  * Display "Add new URL" box
164  *
165  * @param string $url URL to prefill the input with
166  * @param string $keyword Keyword to prefill the input with
167  */
168 function yourls_html_addnew( $url = '', $keyword = '' ) {
169         ?>
170         <div id="new_url">
171                 <div>
172                         <form id="new_url_form" action="" method="get">
173                                 <div><strong><?php yourls_e( 'Enter the URL' ); ?></strong>:<input type="text" id="add-url" name="url" value="<?php echo $url; ?>" class="text" size="80" placeholder="http://" />
174                                 <?php yourls_e( 'Optional '); ?> : <strong><?php yourls_e('Custom short URL'); ?></strong>:<input type="text" id="add-keyword" name="keyword" value="<?php echo $keyword; ?>" class="text" size="8" />
175                                 <?php yourls_nonce_field( 'add_url', 'nonce-add' ); ?>
176                                 <input type="button" id="add-button" name="add-button" value="<?php yourls_e( 'Shorten The URL' ); ?>" class="button" onclick="add_link();" /></div>
177                         </form>
178                         <div id="feedback" style="display:none"></div>
179                 </div>
180                 <?php yourls_do_action( 'html_addnew' ); ?>
181         </div>
182         <?php 
183 }
184
185 /**
186  * Display main table's footer
187  *
188  * The $param array is defined in /admin/index.php, check the yourls_html_tfooter() call
189  *
190  * @param array $params Array of all required parameters
191  * @return string Result
192  */
193 function yourls_html_tfooter( $params = array() ) {
194         extract( $params ); // extract $search_text, $page, $search_in ...
195         ?>
196         <tfoot>
197                 <tr>
198                         <th colspan="6">
199                         <div id="filter_form">
200                                 <form action="" method="get">
201                                         <div id="filter_options">
202                                                 <?php
203                                                 
204                                                 // First search control: text to search
205                                                 $_input = '<input type="text" name="search" class="text" size="12" value="' . yourls_esc_attr( $search_text ) . '" />';
206                                                 $_options = array(
207                             'all'     => yourls__( 'All fields' ),
208                                                         'keyword' => yourls__( 'Short URL' ),
209                                                         'url'     => yourls__( 'URL' ),
210                                                         'title'   => yourls__( 'Title' ),
211                                                         'ip'      => yourls__( 'IP' ),
212                                                 );                                                      
213                                                 $_select = yourls_html_select( 'search_in', $_options, $search_in );
214                                                 /* //translators: "Search for <input field with text to search> in <select dropdown with URL, title...>" */
215                                                 yourls_se( 'Search for %1$s in %2$s', $_input , $_select );
216                                                 echo "&ndash;\n";
217                                                 
218                                                 // Second search control: order by
219                                                 $_options = array(
220                                                         'keyword'      => yourls__( 'Short URL' ),
221                                                         'url'          => yourls__( 'URL' ),
222                                                         'timestamp'    => yourls__( 'Date' ),
223                                                         'ip'           => yourls__( 'IP' ),
224                                                         'clicks'       => yourls__( 'Clicks' ),
225                                                 );
226                                                 $_select = yourls_html_select( 'sort_by', $_options, $sort_by );
227                                                 $sort_order = isset( $sort_order ) ? $sort_order : 'desc' ;
228                                                 $_options = array(
229                                                         'asc'  => yourls__( 'Ascending' ),
230                                                         'desc' => yourls__( 'Descending' ),
231                                                 );
232                                                 $_select2 = yourls_html_select( 'sort_order', $_options, $sort_order );
233                                                 /* //translators: "Order by <criteria dropdown (date, clicks...)> in <order dropdown (Descending or Ascending)>" */
234                                                 yourls_se( 'Order by %1$s %2$s', $_select , $_select2 );
235                                                 echo "&ndash;\n";
236                                                 
237                                                 // Third search control: Show XX rows
238                                                 /* //translators: "Show <text field> rows" */
239                                                 yourls_se( 'Show %s rows',  '<input type="text" name="perpage" class="text" size="2" value="' . $perpage . '" />' );
240                                                 echo "<br/>\n";
241
242                                                 // Fourth search control: Show links with more than XX clicks
243                                                 $_options = array(
244                                                         'more' => yourls__( 'more' ),
245                                                         'less' => yourls__( 'less' ),
246                                                 );
247                                                 $_select = yourls_html_select( 'click_filter', $_options, $click_filter );
248                                                 $_input  = '<input type="text" name="click_limit" class="text" size="4" value="' . $click_limit . '" /> ';
249                                                 /* //translators: "Show links with <more/less> than <text field> clicks" */
250                                                 yourls_se( 'Show links with %1$s than %2$s clicks', $_select, $_input );
251                                                 echo "<br/>\n";
252
253                                                 // Fifth search control: Show links created before/after/between ...
254                                                 $_options = array(
255                                                         'before'  => yourls__('before'),
256                                                         'after'   => yourls__('after'),
257                                                         'between' => yourls__('between'),
258                                                 );
259                                                 $_select = yourls_html_select( 'date_filter', $_options, $date_filter );
260                                                 $_input  = '<input type="text" name="date_first" id="date_first" class="text" size="12" value="' . $date_first . '" />';
261                                                 $_and    = '<span id="date_and"' . ( $date_filter === 'between' ? ' style="display:inline"' : '' ) . '> &amp; </span>';
262                                                 $_input2 = '<input type="text" name="date_second" id="date_second" class="text" size="12" value="' . $date_second . '"' . ( $date_filter === 'between' ? ' style="display:inline"' : '' ) . '/>';
263                                                 /* //translators: "Show links created <before/after/between> <date input> <"and" if applicable> <date input if applicable>" */
264                                                 yourls_se( 'Show links created %1$s %2$s %3$s %4$s', $_select, $_input, $_and, $_input2 );
265                                                 ?>
266
267                                                 <div id="filter_buttons">
268                                                         <input type="submit" id="submit-sort" value="<?php yourls_e('Search'); ?>" class="button primary" />
269                                                         &nbsp;
270                                                         <input type="button" id="submit-clear-filter" value="<?php yourls_e('Clear'); ?>" class="button" onclick="window.parent.location.href = 'index.php'" />
271                                                 </div>
272                                 
273                                         </div>
274                                 </form>
275                         </div>
276                         
277                         <?php
278                         // Remove empty keys from the $params array so it doesn't clutter the pagination links
279                         $params = array_filter( $params, 'yourls_return_if_not_empty_string' ); // remove empty keys
280
281                         if( isset( $search_text ) ) {
282                                 $params['search'] = $search_text;
283                                 unset( $params['search_text'] );
284                         }
285                         ?>
286                         
287                         <div id="pagination">
288                                 <span class="navigation">
289                                 <?php if( $total_pages > 1 ) { ?>
290                                         <span class="nav_total"><?php echo sprintf( yourls_n( '1 page', '%s pages', $total_pages ), $total_pages ); ?></span>
291                                         <?php
292                                         $base_page = yourls_admin_url( 'index.php' );
293                                         // Pagination offsets: min( max ( zomg! ) );
294                                         $p_start = max(  min( $total_pages - 4, $page - 2 ), 1 );
295                                         $p_end = min( max( 5, $page + 2 ), $total_pages );
296                                         if( $p_start >= 2 ) {
297                                                 $link = yourls_add_query_arg( array_merge( $params, array( 'page' => 1 ) ), $base_page );
298                                                 echo '<span class="nav_link nav_first"><a href="' . $link . '" title="' . yourls_esc_attr__('Go to First Page') . '">' . yourls__( '&laquo; First' ) . '</a></span>';
299                                                 echo '<span class="nav_link nav_prev"></span>';
300                                         }
301                                         for( $i = $p_start ; $i <= $p_end; $i++ ) {
302                                                 if( $i == $page ) {
303                                                         echo "<span class='nav_link nav_current'>$i</span>";
304                                                 } else {
305                                                         $link = yourls_add_query_arg( array_merge( $params, array( 'page' => $i ) ), $base_page );
306                                                         echo '<span class="nav_link nav_goto"><a href="' . $link . '" title="' . sprintf( yourls_esc_attr( 'Page %s' ), $i ) .'">'.$i.'</a></span>';
307                                                 }
308                                         }
309                                         if( ( $p_end ) < $total_pages ) {
310                                                 $link = yourls_add_query_arg( array_merge( $params, array( 'page' => $total_pages ) ), $base_page );
311                                                 echo '<span class="nav_link nav_next"></span>';
312                                                 echo '<span class="nav_link nav_last"><a href="' . $link . '" title="' . yourls_esc_attr__('Go to First Page') . '">' . yourls__( 'Last &raquo;' ) . '</a></span>';
313                                         }
314                                         ?>
315                                 <?php } ?>
316                                 </span>
317                         </div>
318                         </th>
319                 </tr>
320                 <?php yourls_do_action( 'html_tfooter' ); ?>
321         </tfoot>
322         <?php
323 }
324
325 /**
326  * Return a select box
327  *
328  * @since 1.6
329  *
330  * @param string $name HTML 'name' (also use as the HTML 'id')
331  * @param array $options array of 'value' => 'Text displayed'
332  * @param string $selected optional 'value' from the $options array that will be highlighted
333  * @param boolean $display false (default) to return, true to echo
334  * @return string HTML content of the select element
335  */
336 function yourls_html_select( $name, $options, $selected = '', $display = false ) {
337         $html = "<select name='$name' id='$name' size='1'>\n";
338         foreach( $options as $value => $text ) {
339                 $html .= "<option value='$value' ";
340                 $html .= $selected == $value ? ' selected="selected"' : '';
341                 $html .= ">$text</option>\n";
342         }
343         $html .= "</select>\n";
344         $html  = yourls_apply_filter( 'html_select', $html, $name, $options, $selected, $display );
345         if( $display )
346                 echo $html;
347         return $html;
348 }
349
350 /**
351  * Display the Quick Share box
352  *
353  */
354 function yourls_share_box( $longurl, $shorturl, $title = '', $text='', $shortlink_title = '', $share_title = '', $hidden = false ) {
355         if ( $shortlink_title == '' )
356                 $shortlink_title = '<h2>' . yourls__( 'Your short link' ) . '</h2>';
357         if ( $share_title == '' )
358                 $share_title = '<h2>' . yourls__( 'Quick Share' ) . '</h2>';
359         
360         // Allow plugins to short-circuit the whole function
361         $pre = yourls_apply_filter( 'shunt_share_box', false );
362         if ( false !== $pre )
363                 return $pre;
364                 
365         $text   = ( $text ? '"'.$text.'" ' : '' );
366         $title  = ( $title ? "$title " : '' );
367         $share  = yourls_esc_textarea( $title.$text.$shorturl );
368         $count  = 140 - strlen( $share );
369         $hidden = ( $hidden ? 'style="display:none;"' : '' );
370         
371         // Allow plugins to filter all data
372         $data = compact( 'longurl', 'shorturl', 'title', 'text', 'shortlink_title', 'share_title', 'share', 'count', 'hidden' );
373         $data = yourls_apply_filter( 'share_box_data', $data );
374         extract( $data );
375         
376         $_share = rawurlencode( $share );
377         $_url   = rawurlencode( $shorturl );
378         ?>
379         
380         <div id="shareboxes" <?php echo $hidden; ?>>
381
382                 <?php yourls_do_action( 'shareboxes_before', $longurl, $shorturl, $title, $text ); ?>
383
384                 <div id="copybox" class="share">
385                 <?php echo $shortlink_title; ?>
386                         <p><input id="copylink" class="text" size="32" value="<?php echo yourls_esc_url( $shorturl ); ?>" /></p>
387                         <p><small><?php yourls_e( 'Long link' ); ?>: <a id="origlink" href="<?php echo yourls_esc_url( $longurl ); ?>"><?php echo yourls_esc_url( $longurl ); ?></a></small>
388                         <?php if( yourls_do_log_redirect() ) { ?>
389                         <br/><small><?php yourls_e( 'Stats' ); ?>: <a id="statlink" href="<?php echo yourls_esc_url( $shorturl ); ?>+"><?php echo yourls_esc_url( $shorturl ); ?>+</a></small>
390                         <input type="hidden" id="titlelink" value="<?php echo yourls_esc_attr( $title ); ?>" />
391                         <?php } ?>
392                         </p>
393                 </div>
394
395                 <?php yourls_do_action( 'shareboxes_middle', $longurl, $shorturl, $title, $text ); ?>
396
397                 <div id="sharebox" class="share">
398                         <?php echo $share_title; ?>
399                         <div id="tweet">
400                                 <span id="charcount" class="hide-if-no-js"><?php echo $count; ?></span>
401                                 <textarea id="tweet_body"><?php echo $share; ?></textarea>
402                         </div>
403                         <p id="share_links"><?php yourls_e( 'Share with' ); ?> 
404                                 <a id="share_tw" href="http://twitter.com/home?status=<?php echo $_share; ?>" title="<?php yourls_e( 'Tweet this!' ); ?>" onclick="share('tw');return false">Twitter</a>
405                                 <a id="share_fb" href="http://www.facebook.com/share.php?u=<?php echo $_url; ?>" title="<?php yourls_e( 'Share on Facebook' ); ?>" onclick="share('fb');return false;">Facebook</a>
406                                 <a id="share_ff" href="http://friendfeed.com/share/bookmarklet/frame#title=<?php echo $_share; ?>" title="<?php yourls_e( 'Share on Friendfeed' ); ?>" onclick="share('ff');return false;">FriendFeed</a>
407                                 <?php
408                                 yourls_do_action( 'share_links', $longurl, $shorturl, $title, $text );
409                                 // Note: on the main admin page, there are no parameters passed to the sharebox when it's drawn.
410                                 ?>
411                         </p>
412                 </div>
413                 
414                 <?php yourls_do_action( 'shareboxes_after', $longurl, $shorturl, $title, $text ); ?>
415         
416         </div>
417         
418         <?php
419 }
420
421 /**
422  * Die die die
423  *
424  */
425 function yourls_die( $message = '', $title = '', $header_code = 200 ) {
426     yourls_do_action( 'pre_yourls_die', $message, $title, $header_code );
427
428         yourls_status_header( $header_code );
429         
430         if( !yourls_did_action( 'html_head' ) ) {
431                 yourls_html_head();
432                 yourls_html_logo();
433         }
434         echo yourls_apply_filter( 'die_title', "<h2>$title</h2>" );
435         echo yourls_apply_filter( 'die_message', "<p>$message</p>" );
436     // Hook into 'yourls_die' to add more elements or messages to that page
437         yourls_do_action( 'yourls_die' );
438         if( !yourls_did_action( 'html_footer' ) ) {
439                 yourls_html_footer();
440         }
441         die();
442 }
443
444 /**
445  * Return an "Edit" row for the main table
446  *
447  * @param string $keyword Keyword to edit
448  * @return string HTML of the edit row
449  */
450 function yourls_table_edit_row( $keyword ) {
451         $keyword = yourls_sanitize_string( $keyword );
452         $id = yourls_string2htmlid( $keyword ); // used as HTML #id
453         $url = yourls_get_keyword_longurl( $keyword );
454         $title = htmlspecialchars( yourls_get_keyword_title( $keyword ) );
455         $safe_url = yourls_esc_attr( rawurldecode( $url ) );
456         $safe_title = yourls_esc_attr( $title );
457     
458     // Make strings sprintf() safe: '%' -> '%%'
459     $safe_url = str_replace( '%', '%%', $safe_url );
460     $safe_title = str_replace( '%', '%%', $safe_title );
461
462         $www = yourls_link();
463     
464         $nonce = yourls_create_nonce( 'edit-save_'.$id );
465         
466         if( $url ) {
467                 $return = <<<RETURN
468 <tr id="edit-$id" class="edit-row"><td colspan="5" class="edit-row"><strong>%s</strong>:<input type="text" id="edit-url-$id" name="edit-url-$id" value="$safe_url" class="text" size="70" /><br/><strong>%s</strong>: $www<input type="text" id="edit-keyword-$id" name="edit-keyword-$id" value="$keyword" class="text" size="10" /><br/><strong>%s</strong>: <input type="text" id="edit-title-$id" name="edit-title-$id" value="$safe_title" class="text" size="60" /></td><td colspan="1"><input type="button" id="edit-submit-$id" name="edit-submit-$id" value="%s" title="%s" class="button" onclick="edit_link_save('$id');" />&nbsp;<input type="button" id="edit-close-$id" name="edit-close-$id" value="%s" title="%s" class="button" onclick="edit_link_hide('$id');" /><input type="hidden" id="old_keyword_$id" value="$keyword"/><input type="hidden" id="nonce_$id" value="$nonce"/></td></tr>
469 RETURN;
470                 $return = sprintf( $return, yourls__( 'Long URL' ), yourls__( 'Short URL' ), yourls__( 'Title' ), yourls__( 'Save' ), yourls__( 'Save new values' ), yourls__( 'Cancel' ), yourls__( 'Cancel editing' ) );
471         } else {
472                 $return = '<tr class="edit-row notfound"><td colspan="6" class="edit-row notfound">' . yourls__( 'Error, URL not found' ) . '</td></tr>';
473         }
474         
475         $return = yourls_apply_filter( 'table_edit_row', $return, $keyword, $url, $title );
476
477         return $return;
478 }
479
480 /**
481  * Return an "Add" row for the main table
482  *
483  * @return string HTML of the edit row
484  */
485 function yourls_table_add_row( $keyword, $url, $title = '', $ip, $clicks, $timestamp ) {
486         $keyword  = yourls_sanitize_string( $keyword );
487         $id       = yourls_string2htmlid( $keyword ); // used as HTML #id
488         $shorturl = yourls_link( $keyword );
489
490         $statlink = yourls_statlink( $keyword );
491                 
492         $delete_link = yourls_nonce_url( 'delete-link_'.$id,
493                 yourls_add_query_arg( array( 'id' => $id, 'action' => 'delete', 'keyword' => $keyword ), yourls_admin_url( 'admin-ajax.php' ) ) 
494         );
495         
496         $edit_link = yourls_nonce_url( 'edit-link_'.$id,
497                 yourls_add_query_arg( array( 'id' => $id, 'action' => 'edit', 'keyword' => $keyword ), yourls_admin_url( 'admin-ajax.php' ) ) 
498         );
499         
500         // Action link buttons: the array
501         $actions = array(
502                 'stats' => array(
503                         'href'    => $statlink,
504                         'id'      => "statlink-$id",
505                         'title'   => yourls_esc_attr__( 'Stats' ),
506                         'anchor'  => yourls__( 'Stats' ),
507                 ),
508                 'share' => array(
509                         'href'    => '',
510                         'id'      => "share-button-$id",
511                         'title'   => yourls_esc_attr__( 'Share' ),
512                         'anchor'  => yourls__( 'Share' ),
513                         'onclick' => "toggle_share('$id');return false;",
514                 ),
515                 'edit' => array(
516                         'href'    => $edit_link,
517                         'id'      => "edit-button-$id",
518                         'title'   => yourls_esc_attr__( 'Edit' ),
519                         'anchor'  => yourls__( 'Edit' ),
520                         'onclick' => "edit_link_display('$id');return false;",
521                 ),
522                 'delete' => array(
523                         'href'    => $delete_link,
524                         'id'      => "delete-button-$id",
525                         'title'   => yourls_esc_attr__( 'Delete' ),
526                         'anchor'  => yourls__( 'Delete' ),
527                         'onclick' => "remove_link('$id');return false;",
528                 )
529         );
530         $actions = yourls_apply_filter( 'table_add_row_action_array', $actions );
531         
532         // Action link buttons: the HTML
533         $action_links = '';
534         foreach( $actions as $key => $action ) {
535                 $onclick = isset( $action['onclick'] ) ? 'onclick="' . $action['onclick'] . '"' : '' ;
536                 $action_links .= sprintf( '<a href="%s" id="%s" title="%s" class="%s" %s>%s</a>',
537                         $action['href'], $action['id'], $action['title'], 'button button_'.$key, $onclick, $action['anchor']
538                 );
539         }
540         $action_links = yourls_apply_filter( 'action_links', $action_links, $keyword, $url, $ip, $clicks, $timestamp );
541
542         if( ! $title )
543                 $title = $url;
544
545         $protocol_warning = '';
546         if( ! in_array( yourls_get_protocol( $url ) , array( 'http://', 'https://' ) ) )
547                 $protocol_warning = yourls_apply_filter( 'add_row_protocol_warning', '<span class="warning" title="' . yourls__( 'Not a common link' ) . '">&#9733;</span>' );
548
549         // Row cells: the array
550         $cells = array(
551                 'keyword' => array(
552                         'template'      => '<a href="%shorturl%">%keyword_html%</a>',
553                         'shorturl'      => yourls_esc_url( $shorturl ),
554                         'keyword_html'  => yourls_esc_html( $keyword ),
555                 ),
556                 'url' => array(
557                         'template'      => '<a href="%long_url%" title="%title_attr%">%title_html%</a><br/><small>%warning%<a href="%long_url%">%long_url_html%</a></small>',
558                         'long_url'      => yourls_esc_url( $url ),
559                         'title_attr'    => yourls_esc_attr( $title ),
560                         'title_html'    => yourls_esc_html( yourls_trim_long_string( $title ) ),
561                         'long_url_html' => yourls_esc_html( yourls_trim_long_string( $url ) ),
562                         'warning'       => $protocol_warning,
563                 ),
564                 'timestamp' => array(
565                         'template' => '%date%',
566                         'date'     => date( 'M d, Y H:i', $timestamp +( YOURLS_HOURS_OFFSET * 3600 ) ),
567                 ),
568                 'ip' => array(
569                         'template' => '%ip%',
570                         'ip'       => $ip,
571                 ),
572                 'clicks' => array(
573                         'template' => '%clicks%',
574                         'clicks'   => yourls_number_format_i18n( $clicks, 0, '', '' ),
575                 ),
576                 'actions' => array(
577                         'template' => '%actions% <input type="hidden" id="keyword_%id%" value="%keyword%"/>',
578                         'actions'  => $action_links,
579                         'id'       => $id,
580                         'keyword'  => $keyword,
581                 ),
582         );
583         $cells = yourls_apply_filter( 'table_add_row_cell_array', $cells, $keyword, $url, $title, $ip, $clicks, $timestamp );
584         
585         // Row cells: the HTML. Replace every %stuff% in 'template' with 'stuff' value.
586         $row = "<tr id=\"id-$id\">";
587         foreach( $cells as $cell_id => $elements ) {
588                 $callback = new yourls_table_add_row_callback( $elements );
589                 $row .= sprintf( '<td class="%s" id="%s">', $cell_id, $cell_id . '-' . $id );
590                 $row .= preg_replace_callback( '/%([^%]+)?%/', array( $callback, 'callback' ), $elements['template'] );
591                 // For the record, in PHP 5.3+ we don't need to introduce a class in order to pass additional parameters
592                 // to the callback function. Instead, we would have used the 'use' keyword :
593                 // $row .= preg_replace_callback( '/%([^%]+)?%/', function( $match ) use ( $elements ) { return $elements[ $match[1] ]; }, $elements['template'] );
594                 
595                 $row .= '</td>';
596         }
597         $row .= "</tr>";
598         $row  = yourls_apply_filter( 'table_add_row', $row, $keyword, $url, $title, $ip, $clicks, $timestamp );
599         
600         return $row;
601 }
602
603 /**
604  * Callback class for yourls_table_add_row
605  *
606  * See comment about PHP 5.3+ in yourls_table_add_row()
607  *
608  * @since 1.7
609  */
610 class yourls_table_add_row_callback {
611     private $elements;
612         
613     function __construct($elements) {
614                 $this->elements = $elements;
615         }
616         
617     function callback( $matches ) {
618                 return $this->elements[ $matches[1] ];
619     }
620 }
621
622
623 /**
624  * Echo the main table head
625  *
626  */
627 function yourls_table_head() {
628         $start = '<table id="main_table" class="tblSorter" cellpadding="0" cellspacing="1"><thead><tr>'."\n";
629         echo yourls_apply_filter( 'table_head_start', $start );
630         
631         $cells = yourls_apply_filter( 'table_head_cells', array(
632                 'shorturl' => yourls__( 'Short URL' ),
633                 'longurl'  => yourls__( 'Original URL' ),
634                 'date'     => yourls__( 'Date' ),
635                 'ip'       => yourls__( 'IP' ),
636                 'clicks'   => yourls__( 'Clicks' ),
637                 'actions'  => yourls__( 'Actions' )
638         ) );
639         foreach( $cells as $k => $v ) {
640                 echo "<th id='main_table_head_$k'>$v</th>\n";
641         }
642         
643         $end = "</tr></thead>\n";
644         echo yourls_apply_filter( 'table_head_end', $end );
645 }
646
647 /**
648  * Echo the tbody start tag
649  *
650  */
651 function yourls_table_tbody_start() {
652         echo yourls_apply_filter( 'table_tbody_start', '<tbody>' );
653 }
654
655 /**
656  * Echo the tbody end tag
657  *
658  */
659 function yourls_table_tbody_end() {
660         echo yourls_apply_filter( 'table_tbody_end', '</tbody>' );
661 }
662
663 /**
664  * Echo the table start tag
665  *
666  */
667 function yourls_table_end() {
668         echo yourls_apply_filter( 'table_end', '</table>' );
669 }
670
671 /**
672  * Echo HTML tag for a link
673  *
674  */
675 function yourls_html_link( $href, $title = '', $element = '' ) {
676         if( !$title )
677                 $title = $href;
678         if( $element )
679                 $element = sprintf( 'id="%s"', yourls_esc_attr( $element ) );
680         $link = sprintf( '<a href="%s" %s>%s</a>', yourls_esc_url( $href ), $element, yourls_esc_html( $title ) );
681         echo yourls_apply_filter( 'html_link', $link );
682 }
683
684 /**
685  * Display the login screen. Nothing past this point.
686  *
687  */
688 function yourls_login_screen( $error_msg = '' ) {
689         yourls_html_head( 'login' );
690         
691         $action = ( isset( $_GET['action'] ) && $_GET['action'] == 'logout' ? '?' : '' );
692
693         yourls_html_logo();
694         ?>
695         <div id="login">
696                 <form method="post" action="<?php echo $action; ?>"> <?php // reset any QUERY parameters ?>
697                         <?php
698                                 if( !empty( $error_msg ) ) {
699                                         echo '<p class="error">'.$error_msg.'</p>';
700                                 }
701                         ?>
702                         <p>
703                                 <label for="username"><?php yourls_e( 'Username' ); ?></label><br />
704                                 <input type="text" id="username" name="username" size="30" class="text" />
705                         </p>
706                         <p>
707                                 <label for="password"><?php yourls_e( 'Password' ); ?></label><br />
708                                 <input type="password" id="password" name="password" size="30" class="text" />
709                         </p>
710                         <p style="text-align: right;">
711                                 <input type="submit" id="submit" name="submit" value="<?php yourls_e( 'Login' ); ?>" class="button" />
712                         </p>
713                 </form>
714                 <script type="text/javascript">$('#username').focus();</script>
715         </div>
716         <?php
717         yourls_html_footer();
718         die();
719 }
720
721 /**
722  * Display the admin menu
723  *
724  */
725 function yourls_html_menu() {
726
727         // Build menu links
728         if( defined( 'YOURLS_USER' ) ) {
729                 $logout_link = yourls_apply_filter( 'logout_link', sprintf( yourls__('Hello <strong>%s</strong>'), YOURLS_USER ) . ' (<a href="?action=logout" title="' . yourls_esc_attr__( 'Logout' ) . '">' . yourls__( 'Logout' ) . '</a>)' );
730         } else {
731                 $logout_link = yourls_apply_filter( 'logout_link', '' );
732         }
733         $help_link   = yourls_apply_filter( 'help_link',   '<a href="' . yourls_site_url( false ) .'/readme.html">' . yourls__( 'Help' ) . '</a>' );
734         
735         $admin_links    = array();
736         $admin_sublinks = array();
737         
738         $admin_links['admin'] = array(
739                 'url'    => yourls_admin_url( 'index.php' ),
740                 'title'  => yourls__( 'Go to the admin interface' ),
741                 'anchor' => yourls__( 'Admin interface' )
742         );
743         
744         if( yourls_is_admin() ) {
745                 $admin_links['tools'] = array(
746                         'url'    => yourls_admin_url( 'tools.php' ),
747                         'anchor' => yourls__( 'Tools' )
748                 );
749                 $admin_links['plugins'] = array(
750                         'url'    => yourls_admin_url( 'plugins.php' ),
751                         'anchor' => yourls__( 'Manage Plugins' )
752                 );
753                 $admin_sublinks['plugins'] = yourls_list_plugin_admin_pages();
754         }
755         
756         $admin_links    = yourls_apply_filter( 'admin_links',    $admin_links );
757         $admin_sublinks = yourls_apply_filter( 'admin_sublinks', $admin_sublinks );
758         
759         // Now output menu
760         echo '<ul id="admin_menu">'."\n";
761         if ( yourls_is_private() && !empty( $logout_link ) )
762                 echo '<li id="admin_menu_logout_link">' . $logout_link .'</li>';
763
764         foreach( (array)$admin_links as $link => $ar ) {
765                 if( isset( $ar['url'] ) ) {
766                         $anchor = isset( $ar['anchor'] ) ? $ar['anchor'] : $link;
767                         $title  = isset( $ar['title'] ) ? 'title="' . $ar['title'] . '"' : '';
768                         printf( '<li id="admin_menu_%s_link" class="admin_menu_toplevel"><a href="%s" %s>%s</a>', $link, $ar['url'], $title, $anchor );
769                 }
770                 // Output submenu if any. TODO: clean up, too many code duplicated here
771                 if( isset( $admin_sublinks[$link] ) ) {
772                         echo "<ul>\n";
773                         foreach( $admin_sublinks[$link] as $link => $ar ) {
774                                 if( isset( $ar['url'] ) ) {
775                                         $anchor = isset( $ar['anchor'] ) ? $ar['anchor'] : $link;
776                                         $title  = isset( $ar['title'] ) ? 'title="' . $ar['title'] . '"' : '';
777                                         printf( '<li id="admin_menu_%s_link" class="admin_menu_sublevel admin_menu_sublevel_%s"><a href="%s" %s>%s</a>', $link, $link, $ar['url'], $title, $anchor );
778                                 }
779                         }
780                         echo "</ul>\n";
781                 }
782         }
783         
784         if ( isset( $help_link ) )
785                 echo '<li id="admin_menu_help_link">' . $help_link .'</li>';
786                 
787         yourls_do_action( 'admin_menu' );
788         echo "</ul>\n";
789         yourls_do_action( 'admin_notices' );
790         yourls_do_action( 'admin_notice' ); // because I never remember if it's 'notices' or 'notice'
791         /*
792         To display a notice:
793         $message = "<div>OMG, dude, I mean!</div>" );
794         yourls_add_action( 'admin_notices', create_function( '', "echo '$message';" ) );
795         */
796 }
797
798 /**
799  * Wrapper function to display admin notices
800  *
801  */
802 function yourls_add_notice( $message, $style = 'notice' ) {
803         // Escape single quotes in $message to avoid breaking the anonymous function
804         $message = yourls_notice_box( strtr( $message, array( "'" => "\'" ) ), $style );
805         yourls_add_action( 'admin_notices', create_function( '', "echo '$message';" ) );
806 }
807
808 /**
809  * Return a formatted notice
810  *
811  */
812 function yourls_notice_box( $message, $style = 'notice' ) {
813         return <<<HTML
814         <div class="$style">
815         <p>$message</p>
816         </div>
817 HTML;
818 }
819
820 /**
821  * Display a page
822  *
823  */
824 function yourls_page( $page ) {
825         $include = YOURLS_ABSPATH . "/pages/$page.php";
826         if( !file_exists( $include ) ) {
827                 yourls_die( "Page '$page' not found", 'Not found', 404 );
828         }
829         yourls_do_action( 'pre_page', $page );
830         include_once( $include );
831         yourls_do_action( 'post_page', $page );
832         die();  
833 }
834
835 /**
836  * Display the language attributes for the HTML tag.
837  *
838  * Builds up a set of html attributes containing the text direction and language
839  * information for the page. Stolen from WP.
840  *
841  * @since 1.6
842  */
843 function yourls_html_language_attributes() {
844         $attributes = array();
845         $output = '';
846         
847         $attributes[] = ( yourls_is_rtl() ? 'dir="rtl"' : 'dir="ltr"' );
848         
849         $doctype = yourls_apply_filter( 'html_language_attributes_doctype', 'html' );
850         // Experimental: get HTML lang from locale. Should work. Convert fr_FR -> fr-FR
851         if ( $lang = str_replace( '_', '-', yourls_get_locale() ) ) {
852                 if( $doctype == 'xhtml' ) {
853                         $attributes[] = "xml:lang=\"$lang\"";
854                 } else {
855                         $attributes[] = "lang=\"$lang\"";
856                 }
857         }
858
859         $output = implode( ' ', $attributes );
860         $output = yourls_apply_filter( 'html_language_attributes', $output );
861         echo $output;
862 }
863
864 /**
865  * Output translated strings used by the Javascript calendar
866  *
867  * @since 1.6
868  */
869 function yourls_l10n_calendar_strings() {
870         echo "\n<script>\n";
871         echo "var l10n_cal_month = " . json_encode( array_values( yourls_l10n_months() ) ) . ";\n";
872         echo "var l10n_cal_days = " . json_encode( array_values( yourls_l10n_weekday_initial() ) ) . ";\n";
873         echo "var l10n_cal_today = \"" . yourls_esc_js( yourls__( 'Today' ) ) . "\";\n";
874         echo "var l10n_cal_close = \"" . yourls_esc_js( yourls__( 'Close' ) ) . "\";\n";
875         echo "</script>\n";
876         
877         // Dummy returns, to initialize l10n strings used in the calendar
878         yourls__( 'Today' );
879         yourls__( 'Close' );
880 }
881
882
883 /**
884  * Display a notice if there is a newer version of YOURLS available
885  *
886  * @since 1.7
887  */
888 function yourls_new_core_version_notice() {
889
890         yourls_debug_log( 'Check for new version: ' . ( yourls_maybe_check_core_version() ? 'yes' : 'no' ) );
891         
892         $checks = yourls_get_option( 'core_version_checks' );
893         
894         if( isset( $checks->last_result->latest ) AND version_compare( $checks->last_result->latest, YOURLS_VERSION, '>' ) ) {
895                 $msg = yourls_s( '<a href="%s">YOURLS version %s</a> is available. Please update!', 'http://yourls.org/download', $checks->last_result->latest );
896                 yourls_add_notice( $msg );
897         }
898 }
899
900 /**
901  * Send a filerable content type header
902  *
903  * @since 1.7
904  * @param string $type content type ('text/html', 'application/json', ...)
905  * @return bool whether header was sent
906  */
907 function yourls_content_type_header( $type ) {
908     yourls_do_action( 'content_type_header', $type );
909         if( !headers_sent() ) {
910                 $charset = yourls_apply_filter( 'content_type_header_charset', 'utf-8' );
911                 header( "Content-Type: $type; charset=$charset" );
912                 return true;
913         }
914         return false;
915 }
916
917 /**
918  * Get search text from query string variables search_protocol, search_slashes and search
919  *
920  * Some servers don't like query strings containing "(ht|f)tp(s)://". A javascript bit
921  * explodes the search text into protocol, slashes and the rest (see JS function
922  * split_search_text_before_search()) and this function glues pieces back together
923  * See issue https://github.com/YOURLS/YOURLS/issues/1576
924  *
925  * @since 1.7
926  * @return string Search string
927  */
928 function yourls_get_search_text() {
929         $search = '';
930         if( isset( $_GET['search_protocol'] ) )
931                 $search .= $_GET['search_protocol'];
932         if( isset( $_GET['search_slashes'] ) )
933                 $search .= $_GET['search_slashes'];
934         if( isset( $_GET['search'] ) )
935                 $search .= $_GET['search'];
936         
937         return htmlspecialchars( trim( $search ) );
938 }
939
940 /**
941  * Display or return HTML for a bookmarklet link
942  *
943  * @since 1.7.1
944  * @param string $href    bookmarklet link (presumably minified code with "javascript:" scheme)
945  * @param string $anchor  link anchor
946  * @param bool   $echo    true to display, false to return the HTML
947  * @return string         the HTML for a bookmarklet link
948  */
949 function yourls_bookmarklet_link( $href, $anchor, $echo = true ) {
950     $alert = yourls_esc_attr__( 'Drag to your toolbar!' );
951     $link = <<<LINK
952     <a href="$href" class="bookmarklet" onclick="alert('$alert');return false;">$anchor</a>
953 LINK;
954     
955     if( $echo )
956         echo $link;
957     return $link;
958 }
959