7 if (defined('YOURLS_DEBUG') && YOURLS_DEBUG == true) {
\r
8 error_reporting(E_ALL);
\r
10 error_reporting(E_ERROR | E_PARSE);
\r
13 // function to convert an integer (1337) to a string (3jk). Input integer processed as a string to beat PHP's int max value
\r
14 function yourls_int2string( $id ) {
\r
15 $str = yourls_base2base(trim(strval($id)), 10, YOURLS_URL_CONVERT);
\r
16 if (YOURLS_URL_CONVERT <= 37)
\r
17 $str = strtolower($str);
\r
21 // function to convert a string (3jk) to an integer (1337)
\r
22 function yourls_string2int( $str ) {
\r
23 if (YOURLS_URL_CONVERT <= 37)
\r
24 $str = strtolower($str);
\r
25 return yourls_base2base(trim($str), YOURLS_URL_CONVERT, 10);
\r
28 // Make sure a link keyword (ie "1fv" as in "site.com/1fv") is valid.
\r
29 function yourls_sanitize_string($in) {
\r
30 if (YOURLS_URL_CONVERT <= 37)
\r
31 $in = strtolower($in);
\r
32 return substr(preg_replace('/[^a-zA-Z0-9]/', '', $in), 0, 199);
\r
35 // A few sanity checks on the URL
\r
36 function yourls_sanitize_url($url) {
\r
37 // make sure there's only one 'http://' at the beginning (prevents pasting a URL right after the default 'http://')
\r
38 $url = str_replace('http://http://', 'http://', $url);
\r
40 // make sure there's a protocol, add http:// if not
\r
41 if ( !preg_match('!^([a-zA-Z]+://)!', $url ) )
\r
42 $url = 'http://'.$url;
\r
44 $url = yourls_clean_url($url);
\r
46 return substr( $url, 0, 1999 );
\r
49 // Function to filter all invalid characters from a URL. Stolen from WP's clean_url()
\r
50 function yourls_clean_url( $url ) {
\r
51 $url = preg_replace('|[^a-z0-9-~+_.?#=!&;,/:%@$\|*\'"()\\x80-\\xff]|i', '', $url );
\r
52 $strip = array('%0d', '%0a', '%0D', '%0A');
\r
53 $url = yourls_deep_replace($strip, $url);
\r
54 $url = str_replace(';//', '://', $url);
\r
55 $url = str_replace('&', '&', $url); // Revert & not to break query strings
\r
60 // Perform a replacement while a string is found, eg $subject = '%0%0%0DDD', $search ='%0D' -> $result =''
\r
61 // Stolen from WP's _deep_replace
\r
62 function yourls_deep_replace($search, $subject){
\r
66 foreach( (array) $search as $val ) {
\r
67 while(strpos($subject, $val) !== false) {
\r
69 $subject = str_replace($val, '', $subject);
\r
77 // Make sure an integer is a valid integer (PHP's intval() limits to too small numbers)
\r
78 // TODO FIXME FFS: unused ?
\r
79 function yourls_sanitize_int($in) {
\r
80 return ( substr(preg_replace('/[^0-9]/', '', strval($in) ), 0, 20) );
\r
83 // Make sure a integer is safe
\r
84 // Note: this is not checking for integers, since integers on 32bits system are way too limited
\r
85 // TODO: find a way to validate as integer
\r
86 function yourls_intval($in) {
\r
87 return mysql_real_escape_string($in);
\r
91 function yourls_escape( $in ) {
\r
92 return mysql_real_escape_string($in);
\r
95 // Check to see if a given keyword is reserved (ie reserved URL or an existing page)
\r
97 function yourls_keyword_is_reserved( $keyword ) {
\r
98 global $yourls_reserved_URL;
\r
100 if ( in_array( $keyword, $yourls_reserved_URL)
\r
101 or file_exists(dirname(dirname(__FILE__))."/pages/$keyword.php")
\r
102 or is_dir(dirname(dirname(__FILE__))."/$keyword")
\r
109 // Function: Get IP Address. Returns a DB safe string.
\r
110 function yourls_get_IP() {
\r
111 if(!empty($_SERVER['HTTP_CLIENT_IP'])) {
\r
112 $ip_address = $_SERVER['HTTP_CLIENT_IP'];
\r
113 } else if(!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
\r
114 $ip_address = $_SERVER['HTTP_X_FORWARDED_FOR'];
\r
115 } else if(!empty($_SERVER['REMOTE_ADDR'])) {
\r
116 $ip_address = $_SERVER['REMOTE_ADDR'];
\r
120 if(strpos($ip_address, ',') !== false) {
\r
121 $ip_address = explode(',', $ip_address);
\r
122 $ip_address = $ip_address[0];
\r
125 $ip_address = yourls_sanitize_ip( $ip_address );
\r
127 return $ip_address;
\r
130 // Sanitize an IP address
\r
131 function yourls_sanitize_ip( $ip ) {
\r
132 return preg_replace( '/[^0-9a-fA-F:., ]/', '', $ip );
\r
135 // Add the "Edit" row
\r
136 function yourls_table_edit_row( $keyword ) {
\r
139 $table = YOURLS_DB_TABLE_URL;
\r
140 $keyword = yourls_sanitize_string( $keyword );
\r
141 $id = yourls_string2int( $keyword ); // used as HTML #id
\r
142 $url = $ydb->get_row("SELECT `url` FROM `$table` WHERE `keyword` = '$keyword';");
\r
143 $safe_url = stripslashes( $url->url );
\r
144 $www = YOURLS_SITE;
\r
147 $return = <<<RETURN
\r
148 <tr id="edit-$id" class="edit-row"><td colspan="5"><strong>Original URL</strong>:<input type="text" id="edit-url-$id" name="edit-url-$id" value="$safe_url" class="text" size="70" /> <strong>Short URL</strong>: $www/<input type="text" id="edit-keyword-$id" name="edit-keyword-$id" value="$keyword" class="text" size="10" /></td><td colspan="1"><input type="button" id="edit-submit-$id" name="edit-submit-$id" value="Save" title="Save new values" class="button" onclick="edit_save('$id');" /> <input type="button" id="edit-close-$id" name="edit-close-$id" value="X" title="Cancel editing" class="button" onclick="hide_edit('$id');" /><input type="hidden" id="old_keyword_$id" value="$keyword"/></td></tr>
\r
151 $return = '<tr><td colspan="6">Error, URL not found</td></tr>';
\r
158 function yourls_table_add_row( $keyword, $url, $ip, $clicks, $timestamp ) {
\r
159 $keyword = yourls_sanitize_string( $keyword );
\r
160 $id = yourls_string2int( $keyword ); // used as HTML #id
\r
161 $date = date( 'M d, Y H:i', $timestamp+( YOURLS_HOURS_OFFSET * 3600) );
\r
162 $clicks = number_format($clicks, 0, '', '');
\r
163 $shorturl = YOURLS_SITE.'/'.$keyword;
\r
164 $display_url = htmlentities( yourls_trim_long_string( $url ) );
\r
165 $statlink = $shorturl.'+';
\r
166 $url = htmlentities( $url );
\r
169 <tr id="id-$id"><td id="keyword-$id"><a href="$shorturl">$keyword</a></td><td id="url-$id"><a href="$url" title="$url">$display_url</a></td><td id="timestamp-$id">$date</td><td id="ip-$id">$ip</td><td id="clicks-$id">$clicks</td><td class="actions" id="actions-$id"><a href="$statlink" id="statlink-$id" class="button button_stats"> </a> <input type="button" id="edit-button-$id" name="edit-button" value="" title="Edit" class="button button_edit" onclick="edit('$id');" /> <input type="button" id="delete-button-$id" name="delete-button" value="" title="Delete" class="button button_delete" onclick="remove('$id');" /><input type="hidden" id="keyword_$id" value="$keyword"/></td></tr>
\r
173 // Get next id a new link will have if no custom keyword provided
\r
174 function yourls_get_next_decimal() {
\r
175 return (int)yourls_get_option( 'next_id' );
\r
178 // Update id for next link with no custom keyword
\r
179 function yourls_update_next_decimal( $int = '' ) {
\r
180 $int = ( $int == '' ) ? yourls_get_next_decimal() + 1 : (int)$int ;
\r
181 return yourls_update_option( 'next_id', $int );
\r
184 // Delete a link in the DB
\r
185 function yourls_delete_link_by_keyword( $keyword ) {
\r
188 $table = YOURLS_DB_TABLE_URL;
\r
189 $keyword = yourls_sanitize_string( $keyword );
\r
190 return $ydb->query("DELETE FROM `$table` WHERE `keyword` = '$keyword';");
\r
193 // SQL query to insert a new link in the DB. Needs sanitized data. Returns boolean for success or failure of the inserting
\r
194 function yourls_insert_link_in_db($url, $keyword) {
\r
197 $table = YOURLS_DB_TABLE_URL;
\r
198 $timestamp = date('Y-m-d H:i:s');
\r
199 $ip = yourls_get_IP();
\r
200 $insert = $ydb->query("INSERT INTO `$table` VALUES('$keyword', '$url', '$timestamp', '$ip', 0);");
\r
202 return (bool)$insert;
\r
205 // Add a new link in the DB, either with custom keyword, or find one
\r
206 function yourls_add_new_link( $url, $keyword = '' ) {
\r
209 if ( !$url || $url == 'http://' || $url == 'https://' ) {
\r
210 $return['status'] = 'fail';
\r
211 $return['code'] = 'error:nourl';
\r
212 $return['message'] = 'Missing URL input';
\r
213 $return['errorCode'] = '400';
\r
217 // Prevent DB flood
\r
218 $ip = yourls_get_IP();
\r
219 yourls_check_IP_flood( $ip );
\r
221 $table = YOURLS_DB_TABLE_URL;
\r
222 $url = mysql_real_escape_string( yourls_sanitize_url($url) );
\r
223 $strip_url = stripslashes($url);
\r
224 $url_exists = $ydb->get_row("SELECT keyword,url FROM `$table` WHERE `url` = '".$strip_url."';");
\r
227 // New URL : store it -- or: URL exists, but duplicates allowed
\r
228 if( !$url_exists || yourls_allow_duplicate_longurls() ) {
\r
230 // Custom keyword provided
\r
232 $keyword = mysql_real_escape_string(yourls_sanitize_string($keyword));
\r
233 if ( !yourls_keyword_is_free($keyword) ) {
\r
234 // This shorturl either reserved or taken already
\r
235 $return['status'] = 'fail';
\r
236 $return['code'] = 'error:keyword';
\r
237 $return['message'] = 'Short URL '.$keyword.' already exists in database or is reserved';
\r
239 // all clear, store !
\r
240 yourls_insert_link_in_db($url, $keyword);
\r
241 $return['url'] = array('keyword' => $keyword, 'url' => $strip_url, 'date' => date('Y-m-d H:i:s'), 'ip' => $ip );
\r
242 $return['status'] = 'success';
\r
243 $return['message'] = $strip_url.' added to database';
\r
244 $return['html'] = yourls_table_add_row( $keyword, $url, $ip, 0, time() );
\r
245 $return['shorturl'] = YOURLS_SITE .'/'. $keyword;
\r
248 // Create random keyword
\r
250 $timestamp = date('Y-m-d H:i:s');
\r
251 $id = yourls_get_next_decimal();
\r
254 $keyword = yourls_int2string( $id );
\r
255 $free = yourls_keyword_is_free($keyword);
\r
256 $add_url = @yourls_insert_link_in_db($url, $keyword);
\r
257 $ok = ($free && $add_url);
\r
258 if ( $ok === false && $add_url === 1 ) {
\r
259 // we stored something, but shouldn't have (ie reserved id)
\r
260 $delete = yourls_delete_link_by_keyword( $keyword );
\r
261 $return['extra_info'] .= '(deleted '.$keyword.')';
\r
263 // everything ok, populate needed vars
\r
264 $return['url'] = array('keyword' => $keyword, 'url' => $strip_url, 'date' => $timestamp, 'ip' => $ip );
\r
265 $return['status'] = 'success';
\r
266 $return['message'] = $strip_url.' added to database';
\r
267 $return['html'] = yourls_table_add_row( $keyword, $url, $ip, 0, time() );
\r
268 $return['shorturl'] = YOURLS_SITE .'/'. $keyword;
\r
272 @yourls_update_next_decimal($id);
\r
275 // URL was already stored
\r
276 $return['status'] = 'fail';
\r
277 $return['code'] = 'error:url';
\r
278 $return['message'] = $strip_url.' already exists in database';
\r
279 $return['shorturl'] = YOURLS_SITE .'/'. $url_exists->keyword;
\r
282 $return['statusCode'] = 200; // regardless of result, this is still a valid request
\r
288 function yourls_edit_link($url, $keyword, $newkeyword='') {
\r
291 $table = YOURLS_DB_TABLE_URL;
\r
292 $url = mysql_real_escape_string(yourls_sanitize_url($url));
\r
293 $keyword = yourls_sanitize_string( $keyword );
\r
294 $newkeyword = yourls_sanitize_string( $newkeyword );
\r
295 $strip_url = stripslashes($url);
\r
296 $old_url = $ydb->get_var("SELECT `url` FROM `$table` WHERE `keyword` = '$keyword';");
\r
297 $old_id = $id = yourls_string2int( $keyword );
\r
298 $new_id = ( $newkeyword == '' ? $old_id : yourls_string2int( $newkeyword ) );
\r
300 // Check if new URL is not here already
\r
301 if ($old_url != $url) {
\r
302 $new_url_already_there = intval($ydb->get_var("SELECT COUNT(keyword) FROM `$table` WHERE `url` = '$strip_url';"));
\r
304 $new_url_already_there = false;
\r
307 // Check if the new keyword is not here already
\r
308 if ( $newkeyword != $keyword ) {
\r
309 $keyword_is_ok = yourls_keyword_is_free( $newkeyword );
\r
311 $keyword_is_ok = true;
\r
314 // All clear, update
\r
315 if ( ( !$new_url_already_there || yourls_allow_duplicate_longurls() ) && $keyword_is_ok ) {
\r
316 $update_url = $ydb->query("UPDATE `$table` SET `url` = '$url', `keyword` = '$newkeyword' WHERE `keyword` = '$keyword';");
\r
317 if( $update_url ) {
\r
318 $return['url'] = array( 'keyword' => $newkeyword, 'shorturl' => YOURLS_SITE.'/'.$newkeyword, 'url' => $strip_url, 'display_url' => yourls_trim_long_string( $strip_url ), 'new_id' => $new_id );
\r
319 $return['status'] = 'success';
\r
320 $return['message'] = 'Link updated in database';
\r
322 $return['status'] = 'fail';
\r
323 $return['message'] = 'Error updating '.$strip_url.' (Short URL: '.$keyword.') to database';
\r
328 $return['status'] = 'fail';
\r
329 $return['message'] = 'URL or keyword already exists in database';
\r
336 // Check if keyword id is free (ie not already taken, and not reserved)
\r
337 function yourls_keyword_is_free( $keyword ) {
\r
340 if ( yourls_keyword_is_reserved($keyword) )
\r
343 $table = YOURLS_DB_TABLE_URL;
\r
344 $already_exists = $ydb->get_var("SELECT COUNT(`keyword`) FROM `$table` WHERE `keyword` = '$keyword';");
\r
345 if ( $already_exists )
\r
353 function yourls_page( $page ) {
\r
354 $include = dirname(dirname(__FILE__))."/pages/$page.php";
\r
355 if (!file_exists($include)) {
\r
356 yourls_die("Page '$page' not found", 'Not found', 404);
\r
363 function yourls_db_connect() {
\r
366 if (!defined('YOURLS_DB_USER')
\r
367 or !defined('YOURLS_DB_PASS')
\r
368 or !defined('YOURLS_DB_NAME')
\r
369 or !defined('YOURLS_DB_HOST')
\r
370 or !class_exists('ezSQL_mysql')
\r
371 ) yourls_die ('DB config missigin, or could not find DB class', 'Fatal error', 503);
\r
373 // Are we standalone or in the WordPress environment?
\r
374 if ( class_exists('wpdb') ) {
\r
375 $ydb = new wpdb(YOURLS_DB_USER, YOURLS_DB_PASS, YOURLS_DB_NAME, YOURLS_DB_HOST);
\r
377 $ydb = new ezSQL_mysql(YOURLS_DB_USER, YOURLS_DB_PASS, YOURLS_DB_NAME, YOURLS_DB_HOST);
\r
379 if ( $ydb->last_error )
\r
380 yourls_die( $ydb->last_error, 'Fatal error', 503 );
\r
382 if ( defined('YOURLS_DEBUG') && YOURLS_DEBUG === true )
\r
383 $ydb->show_errors = true;
\r
388 // Return JSON output. Compatible with PHP prior to 5.2
\r
389 function yourls_json_encode($array) {
\r
390 if (function_exists('json_encode')) {
\r
391 return json_encode($array);
\r
393 require_once(dirname(__FILE__).'/functions-json.php');
\r
394 return yourls_array_to_json($array);
\r
398 // Return XML output.
\r
399 function yourls_xml_encode($array) {
\r
400 require_once(dirname(__FILE__).'/functions-xml.php');
\r
401 $converter= new yourls_array2xml;
\r
402 return $converter->array2xml($array);
\r
405 // Return array of all informations associated with keyword. Returns false if keyword not found. Set optional $use_cache to false to force fetching from DB
\r
406 function yourls_get_keyword_infos( $keyword, $use_cache = true ) {
\r
408 $keyword = yourls_sanitize_string( $keyword );
\r
410 if( isset( $ydb->infos[$keyword] ) && $use_cache == true ) {
\r
411 return $ydb->infos[$keyword];
\r
414 $table = YOURLS_DB_TABLE_URL;
\r
415 $infos = $ydb->get_row("SELECT * FROM `$table` WHERE `keyword` = '$keyword'");
\r
418 $infos = (array)$infos;
\r
419 $ydb->infos[$keyword] = $infos;
\r
421 $ydb->infos[$keyword] = false;
\r
424 return $ydb->infos[$keyword];
\r
427 // Return (string) selected information associated with a keyword. Optional $notfound = string default message if nothing found
\r
428 function yourls_get_keyword_info( $keyword, $field, $notfound = false ) {
\r
431 $keyword = yourls_sanitize_string( $keyword );
\r
432 $infos = yourls_get_keyword_infos( $keyword );
\r
434 if ( isset($infos[$field]) && $infos[$field] !== false )
\r
435 return $infos[$field];
\r
440 // Return long URL associated with keyword. Optional $notfound = string default message if nothing found
\r
441 function yourls_get_keyword_longurl( $keyword, $notfound = false ) {
\r
442 return yourls_get_keyword_info( $keyword, 'url', $notfound );
\r
445 // Return number of clicks on a keyword. Optional $notfound = string default message if nothing found
\r
446 function yourls_get_keyword_clicks( $keyword, $notfound = false ) {
\r
447 return yourls_get_keyword_info( $keyword, 'clicks', $notfound );
\r
450 // Return IP that added a keyword. Optional $notfound = string default message if nothing found
\r
451 function yourls_get_keyword_IP( $keyword, $notfound = false ) {
\r
452 return yourls_get_keyword_info( $keyword, 'ip', $notfound );
\r
455 // Return timestamp associated with a keyword. Optional $notfound = string default message if nothing found
\r
456 function yourls_get_keyword_timestamp( $keyword, $notfound = false ) {
\r
457 return yourls_get_keyword_info( $keyword, 'timestamp', $notfound );
\r
460 // Update click count on a short URL
\r
461 function yourls_update_clicks( $keyword ) {
\r
463 $keyword = yourls_sanitize_string( $keyword );
\r
464 $table = YOURLS_DB_TABLE_URL;
\r
465 return $ydb->query("UPDATE `$table` SET `clicks` = clicks + 1 WHERE `keyword` = '$keyword'");
\r
468 // Return array of stats. (string)$filter is 'bottom', 'last', 'rand' or 'top'. (int)$limit is the number of links to return
\r
469 function yourls_get_links_stats( $filter = 'top', $limit = 10 ) {
\r
472 switch( $filter ) {
\r
474 $sort_by = 'clicks';
\r
475 $sort_order = 'asc';
\r
478 $sort_by = 'timestamp';
\r
479 $sort_order = 'desc';
\r
483 $sort_by = 'RAND()';
\r
488 $sort_by = 'clicks';
\r
489 $sort_order = 'desc';
\r
493 $limit = intval( $limit );
\r
496 $table_url = YOURLS_DB_TABLE_URL;
\r
497 $results = $ydb->get_results("SELECT * FROM `$table_url` WHERE 1=1 ORDER BY `$sort_by` $sort_order LIMIT 0, $limit;");
\r
502 foreach ($results as $res) {
\r
503 $return['links']['link_'.$i++] = array(
\r
504 'shorturl' => YOURLS_SITE .'/'. $res->keyword,
\r
505 'url' => $res->url,
\r
506 'timestamp' => $res->timestamp,
\r
508 'clicks' => $res->clicks,
\r
512 $return['stats'] = yourls_get_db_stats();
\r
514 $return['statusCode'] = 200;
\r
520 // Return array for API stat requests
\r
521 function yourls_api_stats( $filter = 'top', $limit = 10 ) {
\r
522 $return = yourls_get_links_stats( $filter, $limit );
\r
523 $return['simple'] = 'Need either XML or JSON format for stats';
\r
524 $return['message'] = 'success';
\r
528 // Expand short url to long url
\r
529 function yourls_api_expand( $shorturl ) {
\r
530 $keyword = str_replace( YOURLS_SITE . '/' , '', $shorturl ); // accept either 'http://ozh.in/abc' or 'abc'
\r
531 $keyword = yourls_sanitize_string( $keyword );
\r
533 $longurl = yourls_get_keyword_longurl( $keyword );
\r
537 'keyword' => $keyword,
\r
538 'shorturl' => YOURLS_SITE . "/$keyword",
\r
539 'longurl' => $longurl,
\r
540 'simple' => $longurl,
\r
541 'message' => 'success',
\r
542 'statusCode' => 200,
\r
546 'keyword' => $keyword,
\r
547 'simple' => 'not found',
\r
548 'message' => 'Error: short URL not found',
\r
549 'errorCode' => 404,
\r
555 // Get total number of URLs and sum of clicks. Input: optional "AND WHERE" clause. Returns array
\r
556 function yourls_get_db_stats( $where = '' ) {
\r
558 $table_url = YOURLS_DB_TABLE_URL;
\r
560 $totals = $ydb->get_row("SELECT COUNT(keyword) as count, SUM(clicks) as sum FROM `$table_url` WHERE 1=1 $where");
\r
561 return array( 'total_links' => $totals->count, 'total_clicks' => $totals->sum );
\r
564 // Return API result. Dies after this
\r
565 function yourls_api_output( $mode, $return ) {
\r
566 if( isset( $return['simple'] ) ) {
\r
567 $simple = $return['simple'];
\r
568 unset( $return['simple'] );
\r
572 header('Content-type: application/json');
\r
573 echo yourls_json_encode($return);
\r
577 header('Content-type: application/xml');
\r
578 echo yourls_xml_encode($return);
\r
583 if( isset( $simple ) )
\r
590 // Display HTML head and <body> tag
\r
591 function yourls_html_head( $context = 'index' ) {
\r
592 // All components to false, except when specified true
\r
593 $share = $insert = $tablesorter = $tabs = false;
\r
594 // Load components as needed
\r
595 switch ( $context ) {
\r
597 $share = $tabs = true;
\r
601 $share = $insert = $tablesorter = true;
\r
605 $insert = $tablesorter = true;
\r
617 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
\r
618 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
\r
620 <title>YOURLS » Your Own URL Shortener | <?php echo YOURLS_SITE; ?></title>
\r
621 <link rel="icon" type="image/gif" href="<?php echo YOURLS_SITE; ?>/images/favicon.gif" />
\r
622 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
\r
623 <meta http-equiv="X-UA-Compatible" content="chrome=1" />
\r
624 <meta name="copyright" content="Copyright © 2008-<?php echo date('Y'); ?> YOURS" />
\r
625 <meta name="author" content="Ozh Richard, Lester Chan" />
\r
626 <meta name="description" content="Insert URL « YOURLS » Your Own URL Shortener' | <?php echo YOURLS_SITE; ?>" />
\r
627 <script src="<?php echo YOURLS_SITE; ?>/js/jquery-1.3.2.min.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
\r
628 <link rel="stylesheet" href="<?php echo YOURLS_SITE; ?>/css/style.css?v=<?php echo YOURLS_VERSION; ?>" type="text/css" media="screen" />
\r
629 <?php if ($tabs) { ?>
\r
630 <link rel="stylesheet" href="<?php echo YOURLS_SITE; ?>/css/infos.css?v=<?php echo YOURLS_VERSION; ?>" type="text/css" media="screen" />
\r
631 <script src="<?php echo YOURLS_SITE; ?>/js/infos.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
\r
633 <?php if ($tablesorter) { ?>
\r
634 <link rel="stylesheet" href="<?php echo YOURLS_SITE; ?>/css/tablesorter.css?v=<?php echo YOURLS_VERSION; ?>" type="text/css" media="screen" />
\r
635 <script src="<?php echo YOURLS_SITE; ?>/js/jquery.tablesorter.min.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
\r
637 <?php if ($insert) { ?>
\r
638 <script src="<?php echo YOURLS_SITE; ?>/js/insert.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
\r
640 <?php if ($share) { ?>
\r
641 <link rel="stylesheet" href="<?php echo YOURLS_SITE; ?>/css/share.css?v=<?php echo YOURLS_VERSION; ?>" type="text/css" media="screen" />
\r
642 <script src="<?php echo YOURLS_SITE; ?>/js/share.js?v=<?php echo YOURLS_VERSION; ?>" type="text/javascript"></script>
\r
645 <body class="<?php echo $context; ?>">
\r
650 // Display HTML footer (including closing body & html tags)
\r
651 function yourls_html_footer() {
\r
654 $num_queries = $ydb->num_queries > 1 ? $ydb->num_queries.' queries' : $ydb->num_queries.' query';
\r
656 </div> <?php // wrap ?>
\r
657 <div id="footer"><p>Powered by <a href="http://yourls.org/" title="YOURLS">YOURLS</a> v<?php echo YOURLS_VERSION; echo ' – '.$num_queries; ?></p></div>
\r
658 <?php if( defined('YOURLS_DEBUG') && YOURLS_DEBUG == true ) {
\r
659 echo '<p>'. $ydb->all_queries .'<p>';
\r
666 // Display "Add new URL" box
\r
667 function yourls_html_addnew( $url = '', $keyword = '' ) {
\r
668 $url = $url ? $url : 'http://';
\r
672 <form id="new_url_form" action="" method="get">
\r
673 <div><strong>Enter the URL</strong>:<input type="text" id="add-url" name="url" value="<?php echo $url; ?>" class="text" size="80" />
\r
674 Optional: <strong>Custom short URL</strong>:<input type="text" id="add-keyword" name="keyword" value="<?php echo $keyword; ?>" class="text" size="8" />
\r
675 <input type="button" id="add-button" name="add-button" value="Shorten The URL" class="button" onclick="add();" /></div>
\r
677 <div id="feedback" style="display:none"></div>
\r
683 // Display main table's footer
\r
684 function yourls_html_tfooter( $params = array() ) {
\r
685 extract( $params ); // extract $search_text, $page, $search_in_sql ...
\r
690 <th colspan="4" style="text-align: left;">
\r
691 <form action="" method="get">
\r
693 <div style="float:right;">
\r
694 <input type="submit" id="submit-sort" value="Filter" class="button primary" />
\r
696 <input type="button" id="submit-clear-filter" value="Clear Filter" class="button" onclick="window.parent.location.href = 'index.php'" />
\r
699 Search for
\r
700 <input type="text" name="s_search" class="text" size="20" value="<?php echo $search_text; ?>" />
\r
702 <select name="s_in" size="1">
\r
703 <!-- <option value="id"<?php if($search_in_sql == 'id') { echo ' selected="selected"'; } ?>>ID</option> -->
\r
704 <option value="url"<?php if($search_in_sql == 'url') { echo ' selected="selected"'; } ?>>URL</option>
\r
705 <option value="ip"<?php if($search_in_sql == 'ip') { echo ' selected="selected"'; } ?>>IP</option>
\r
707 – Order by
\r
708 <select name="s_by" size="1">
\r
709 <option value="id"<?php if($sort_by_sql == 'id') { echo ' selected="selected"'; } ?>>ID</option>
\r
710 <option value="url"<?php if($sort_by_sql == 'url') { echo ' selected="selected"'; } ?>>URL</option>
\r
711 <option value="timestamp"<?php if($sort_by_sql == 'timestamp') { echo ' selected="selected"'; } ?>>Date</option>
\r
712 <option value="ip"<?php if($sort_by_sql == 'ip') { echo ' selected="selected"'; } ?>>IP</option>
\r
713 <option value="clicks"<?php if($sort_by_sql == 'clicks') { echo ' selected="selected"'; } ?>>Clicks</option>
\r
715 <select name="s_order" size="1">
\r
716 <option value="asc"<?php if($sort_order_sql == 'asc') { echo ' selected="selected"'; } ?>>Ascending</option>
\r
717 <option value="desc"<?php if($sort_order_sql == 'desc') { echo ' selected="selected"'; } ?>>Descending</option>
\r
719 – Show
\r
720 <input type="text" name="perpage" class="text" size="2" value="<?php echo $perpage; ?>" /> rows<br/>
\r
723 <select name="link_filter" size="1">
\r
724 <option value="more"<?php if($link_filter === 'more') { echo ' selected="selected"'; } ?>>more</option>
\r
725 <option value="less"<?php if($link_filter === 'less') { echo ' selected="selected"'; } ?>>less</option>
\r
728 <input type="text" name="link_limit" class="text" size="4" value="<?php echo $link_limit; ?>" />clicks
\r
734 <th colspan="3" style="text-align: right;">
\r
735 Pages (<?php echo $total_pages; ?>):
\r
738 echo '<b><a href="'.$base_page.'?s_by='.$sort_by_sql.'&s_order='.$sort_order_sql.$search_url.'&perpage='.$perpage.'&page=1'.'" title="Go to First Page">« First</a></b> ... ';
\r
741 echo ' <b><a href="'.$base_page.'?s_by='.$sort_by_sql.'&s_order='.$sort_order_sql.$search_url.'&perpage='.$perpage.'&page='.($page-1).'" title="« Go to Page '.($page-1).'">«</a></b> ';
\r
743 for($i = $page - 2 ; $i <= $page +2; $i++) {
\r
744 if ($i >= 1 && $i <= $total_pages) {
\r
746 echo "<strong>[$i]</strong> ";
\r
748 echo '<a href="'.$base_page.'?s_by='.$sort_by_sql.'&s_order='.$sort_order_sql.$search_url.'&perpage='.$perpage.'&page='.($i).'" title="Page '.$i.'">'.$i.'</a> ';
\r
752 if($page < $total_pages) {
\r
753 echo ' <b><a href="'.$base_page.'?s_by='.$sort_by_sql.'&s_order='.$sort_order_sql.$search_url.'&perpage='.$perpage.'&page='.($page+1).'" title="Go to Page '.($page+1).' »">»</a></b> ';
\r
755 if (($page+2) < $total_pages) {
\r
756 echo ' ... <b><a href="'.$base_page.'?s_by='.$sort_by_sql.'&s_order='.$sort_order_sql.$search_url.'&perpage='.$perpage.'&page='.($total_pages).'" title="Go to Last Page">Last »</a></b>';
\r
765 // Display the Quick Share box of the tools.php page
\r
766 function yourls_share_box( $longurl, $shorturl, $title='', $text='', $shortlink_title = '<h2>Your short link</h2>', $share_title = '<h2>Quick Share</h2>' ) {
\r
767 $text = ( $text ? '"'.$text.'" ' : '' );
\r
768 $title = ( $title ? "$title " : '' );
\r
769 $share = htmlspecialchars_decode( $title.$text.$shorturl );
\r
770 $_share = rawurlencode( $share );
\r
771 $_url = rawurlencode( $shorturl );
\r
772 $count = 140 - strlen( $share );
\r
775 <div id="shareboxes">
\r
777 <div id="copybox" class="share">
\r
778 <?php echo $shortlink_title; ?>
\r
779 <p><input id="copylink" class="text" size="40" value="<?php echo $shorturl; ?>" /></p>
\r
780 <p><small>Original link: <a href="<?php echo $longurl; ?>"><?php echo $longurl; ?></a></small></p>
\r
783 <div id="sharebox" class="share">
\r
784 <?php echo $share_title; ?>
\r
786 <span id="charcount"><?php echo $count; ?></span>
\r
787 <textarea id="tweet_body"><?php echo $share; ?></textarea>
\r
789 <p id="share_links">Share with
\r
790 <a id="share_tw" href="http://twitter.com/home?status=<?php echo $_share; ?>" title="Tweet this!" onclick="share('tw');return false">Twitter</a>
\r
791 <a id="share_fb" href="http://www.facebook.com/share.php?u=<?php echo $_url; ?>" title="Share on Facebook" onclick="share('fb');return false;">Facebook</a>
\r
792 <a id="share_ff" href="http://friendfeed.com/share/bookmarklet/frame#title=<?php echo $_share; ?>" title="Share on Friendfeed" onclick="javascript:share('ff');return false;">FriendFeed</a>
\r
802 // Get number of SQL queries performed
\r
803 function yourls_get_num_queries() {
\r
806 return $ydb->num_queries;
\r
809 // Compat http_build_query for PHP4
\r
810 if (!function_exists('http_build_query')) {
\r
811 function http_build_query($data, $prefix=null, $sep=null) {
\r
812 return yourls_http_build_query($data, $prefix, $sep);
\r
816 // from php.net (modified by Mark Jaquith to behave like the native PHP5 function)
\r
817 function yourls_http_build_query($data, $prefix=null, $sep=null, $key='', $urlencode=true) {
\r
820 foreach ( (array) $data as $k => $v ) {
\r
822 $k = urlencode($k);
\r
823 if ( is_int($k) && $prefix != null )
\r
825 if ( !empty($key) )
\r
826 $k = $key . '%5B' . $k . '%5D';
\r
829 elseif ( $v === FALSE )
\r
832 if ( is_array($v) || is_object($v) )
\r
833 array_push($ret,yourls_http_build_query($v, '', $sep, $k, $urlencode));
\r
834 elseif ( $urlencode )
\r
835 array_push($ret, $k.'='.urlencode($v));
\r
837 array_push($ret, $k.'='.$v);
\r
840 if ( NULL === $sep )
\r
841 $sep = ini_get('arg_separator.output');
\r
843 return implode($sep, $ret);
\r
846 // Returns a sanitized a user agent string. Given what I found on http://www.user-agents.org/ it should be OK.
\r
847 function yourls_get_user_agent() {
\r
848 if ( !isset( $_SERVER['HTTP_USER_AGENT'] ) )
\r
851 $ua = strip_tags( html_entity_decode( $_SERVER['HTTP_USER_AGENT'] ));
\r
852 $ua = preg_replace('![^0-9a-zA-Z\':., /{}\(\)\[\]\+@&\!\?;_\-=~\*\#]!', '', $ua );
\r
854 return substr( $ua, 0, 254 );
\r
857 // Redirect to another page
\r
858 function yourls_redirect( $location, $code = 301 ) {
\r
859 // Anti fool check: cannot redirect to the URL we currently are on
\r
860 if( preg_replace('!^[^:]+://!', '', $location) != $_SERVER["SERVER_NAME"].$_SERVER['REQUEST_URI'] ) {
\r
861 yourls_status_header( $code );
\r
862 header("Location: $location");
\r
867 // Set HTTP status header
\r
868 function yourls_status_header( $code = 200 ) {
\r
869 if( headers_sent() )
\r
872 $protocol = $_SERVER["SERVER_PROTOCOL"];
\r
873 if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol )
\r
874 $protocol = 'HTTP/1.0';
\r
876 $code = intval( $code );
\r
877 $desc = yourls_get_HTTP_status($code);
\r
879 @header ("$protocol $code $desc"); // This causes problems on IIS and some FastCGI setups
\r
882 // Redirect to another page using Javascript. Set optional (bool)$dontwait to false to force manual redirection (make sure a message has been read by user)
\r
883 function yourls_redirect_javascript( $location, $dontwait = true ) {
\r
886 <script type="text/javascript">
\r
887 window.location="$location";
\r
889 <small>(if you are not redirected after 10 seconds, please <a href="$location">click here</a>)</small>
\r
893 <p>Please <a href="$location">click here</a></p>
\r
898 // Return a HTTP status code
\r
899 function yourls_get_HTTP_status( $code ) {
\r
900 $code = intval( $code );
\r
901 $headers_desc = array(
\r
903 101 => 'Switching Protocols',
\r
904 102 => 'Processing',
\r
909 203 => 'Non-Authoritative Information',
\r
910 204 => 'No Content',
\r
911 205 => 'Reset Content',
\r
912 206 => 'Partial Content',
\r
913 207 => 'Multi-Status',
\r
916 300 => 'Multiple Choices',
\r
917 301 => 'Moved Permanently',
\r
919 303 => 'See Other',
\r
920 304 => 'Not Modified',
\r
921 305 => 'Use Proxy',
\r
923 307 => 'Temporary Redirect',
\r
925 400 => 'Bad Request',
\r
926 401 => 'Unauthorized',
\r
927 402 => 'Payment Required',
\r
928 403 => 'Forbidden',
\r
929 404 => 'Not Found',
\r
930 405 => 'Method Not Allowed',
\r
931 406 => 'Not Acceptable',
\r
932 407 => 'Proxy Authentication Required',
\r
933 408 => 'Request Timeout',
\r
936 411 => 'Length Required',
\r
937 412 => 'Precondition Failed',
\r
938 413 => 'Request Entity Too Large',
\r
939 414 => 'Request-URI Too Long',
\r
940 415 => 'Unsupported Media Type',
\r
941 416 => 'Requested Range Not Satisfiable',
\r
942 417 => 'Expectation Failed',
\r
943 422 => 'Unprocessable Entity',
\r
945 424 => 'Failed Dependency',
\r
946 426 => 'Upgrade Required',
\r
948 500 => 'Internal Server Error',
\r
949 501 => 'Not Implemented',
\r
950 502 => 'Bad Gateway',
\r
951 503 => 'Service Unavailable',
\r
952 504 => 'Gateway Timeout',
\r
953 505 => 'HTTP Version Not Supported',
\r
954 506 => 'Variant Also Negotiates',
\r
955 507 => 'Insufficient Storage',
\r
956 510 => 'Not Extended'
\r
959 if ( isset( $headers_desc[$code] ) )
\r
960 return $headers_desc[$code];
\r
966 // Log a redirect (for stats)
\r
967 function yourls_log_redirect( $keyword ) {
\r
968 if ( !yourls_do_log_redirect() )
\r
972 $table = YOURLS_DB_TABLE_LOG;
\r
974 $keyword = yourls_sanitize_string( $keyword );
\r
975 $referrer = ( isset( $_SERVER['HTTP_REFERER'] ) ? yourls_sanitize_url( $_SERVER['HTTP_REFERER'] ) : 'direct' );
\r
976 $ua = yourls_get_user_agent();
\r
977 $ip = yourls_get_IP();
\r
978 $location = yourls_geo_ip_to_countrycode( $ip );
\r
980 return $ydb->query( "INSERT INTO `$table` VALUES ('', NOW(), '$keyword', '$referrer', '$ua', '$ip', '$location')" );
\r
983 // Check if we want to not log redirects (for stats)
\r
984 function yourls_do_log_redirect() {
\r
985 return ( !defined('YOURLS_NOSTATS') || YOURLS_NOSTATS != true );
\r
988 // Converts an IP to a 2 letter country code, using GeoIP database if available in includes/geo/
\r
989 function yourls_geo_ip_to_countrycode( $ip = '', $default = '' ) {
\r
990 if ( !file_exists( dirname(__FILE__).'/geo/GeoIP.dat') || !file_exists( dirname(__FILE__).'/geo/geoip.inc') )
\r
994 $ip = yourls_get_IP();
\r
996 require_once( dirname(__FILE__).'/geo/geoip.inc') ;
\r
997 $gi = geoip_open( dirname(__FILE__).'/geo/GeoIP.dat', GEOIP_STANDARD);
\r
998 $location = geoip_country_code_by_addr($gi, $ip);
\r
1004 // Converts a 2 letter country code to long name (ie AU -> Australia)
\r
1005 function yourls_geo_countrycode_to_countryname( $code ) {
\r
1006 // Load the Geo class if not already done
\r
1007 if( !class_exists('GeoIP') ) {
\r
1008 $temp = yourls_geo_ip_to_countrycode('127.0.0.1');
\r
1011 if( class_exists('GeoIP') ) {
\r
1013 $id = $geo->GEOIP_COUNTRY_CODE_TO_NUMBER[$code];
\r
1014 $long = $geo->GEOIP_COUNTRY_NAMES[$id];
\r
1021 // Return flag URL from 2 letter country code
\r
1022 function yourls_geo_get_flag( $code ) {
\r
1023 // Load the Geo class if not already done
\r
1024 if( !class_exists('GeoIP') ) {
\r
1025 $temp = yourls_geo_ip_to_countrycode('127.0.0.1');
\r
1028 if( class_exists('GeoIP') ) {
\r
1029 return YOURLS_SITE.'/includes/geo/flags/flag_'.(strtolower($code)).'.gif';
\r
1036 // Check if an upgrade is needed
\r
1037 function yourls_upgrade_is_needed() {
\r
1038 // check YOURLS_DB_VERSION exist && match values stored in YOURLS_DB_TABLE_OPTIONS
\r
1039 list( $currentver, $currentsql ) = yourls_get_current_version_from_sql();
\r
1040 if( $currentsql < YOURLS_DB_VERSION )
\r
1046 // Get current version & db version as stored in the options DB. Prior to 1.4 there's no option table.
\r
1047 function yourls_get_current_version_from_sql() {
\r
1048 $currentver = yourls_get_option( 'version' );
\r
1049 $currentsql = yourls_get_option( 'db_version' );
\r
1051 // Values if version is 1.3
\r
1052 if( !$currentver )
\r
1053 $currentver = '1.3';
\r
1054 if( !$currentsql )
\r
1055 $currentsql = '100';
\r
1057 return array( $currentver, $currentsql);
\r
1060 // Read an option from DB (or from cache if available). Return value or $default if not found
\r
1061 function yourls_get_option( $option_name, $default = false ) {
\r
1063 if ( !isset( $ydb->option[$option_name] ) ) {
\r
1064 $table = YOURLS_DB_TABLE_OPTIONS;
\r
1065 $option_name = yourls_escape( $option_name );
\r
1066 $row = $ydb->get_row( "SELECT `option_value` FROM `$table` WHERE `option_name` = '$option_name' LIMIT 1" );
\r
1067 if ( is_object( $row) ) { // Has to be get_row instead of get_var because of funkiness with 0, false, null values
\r
1068 $value = $row->option_value;
\r
1069 } else { // option does not exist, so we must cache its non-existence
\r
1070 $value = $default;
\r
1072 $ydb->option[$option_name] = yourls_maybe_unserialize( $value );
\r
1075 return $ydb->option[$option_name];
\r
1078 // Read all options from DB at once
\r
1079 function yourls_get_all_options() {
\r
1081 $table = YOURLS_DB_TABLE_OPTIONS;
\r
1083 $allopt = $ydb->get_results("SELECT `option_name`, `option_value` FROM `$table` WHERE 1=1");
\r
1085 foreach( (array)$allopt as $option ) {
\r
1086 $ydb->option[$option->option_name] = yourls_maybe_unserialize( $option->option_value );
\r
1090 // Update (add if doesn't exist) an option to DB
\r
1091 function yourls_update_option( $option_name, $newvalue ) {
\r
1093 $table = YOURLS_DB_TABLE_OPTIONS;
\r
1095 $safe_option_name = yourls_escape( $option_name );
\r
1097 $oldvalue = yourls_get_option( $safe_option_name );
\r
1099 // If the new and old values are the same, no need to update.
\r
1100 if ( $newvalue === $oldvalue )
\r
1103 if ( false === $oldvalue ) {
\r
1104 yourls_add_option( $option_name, $newvalue );
\r
1108 $_newvalue = yourls_escape( yourls_maybe_serialize( $newvalue ) );
\r
1110 $ydb->query( "UPDATE `$table` SET `option_value` = '$_newvalue' WHERE `option_name` = '$option_name'");
\r
1112 if ( $ydb->rows_affected == 1 ) {
\r
1113 $ydb->option[$option_name] = $newvalue;
\r
1119 // Add an option to the DB
\r
1120 function yourls_add_option( $name, $value = '' ) {
\r
1122 $table = YOURLS_DB_TABLE_OPTIONS;
\r
1123 $safe_name = yourls_escape( $name );
\r
1125 // Make sure the option doesn't already exist. We can check the 'notoptions' cache before we ask for a db query
\r
1126 if ( false !== yourls_get_option( $safe_name ) )
\r
1129 $_value = yourls_escape( yourls_maybe_serialize( $value ) );
\r
1131 $ydb->query( "INSERT INTO `$table` (`option_name`, `option_value`) VALUES ('$name', '$_value')" );
\r
1132 $ydb->option[$name] = $value;
\r
1137 // Delete an option from the DB
\r
1138 function yourls_delete_option( $name ) {
\r
1140 $table = YOURLS_DB_TABLE_OPTIONS;
\r
1141 $name = yourls_escape( $name );
\r
1143 // Get the ID, if no ID then return
\r
1144 $option = $ydb->get_row( "SELECT option_id FROM `$table` WHERE `option_name` = '$name'" );
\r
1145 if ( is_null($option) || !$option->option_id )
\r
1147 $ydb->query( "DELETE FROM `$table` WHERE `option_name` = '$name'" );
\r
1153 // Serialize data if needed. Stolen from WordPress
\r
1154 function yourls_maybe_serialize( $data ) {
\r
1155 if ( is_array( $data ) || is_object( $data ) )
\r
1156 return serialize( $data );
\r
1158 if ( yourls_is_serialized( $data ) )
\r
1159 return serialize( $data );
\r
1164 // Check value to find if it was serialized. Stolen from WordPress
\r
1165 function yourls_is_serialized( $data ) {
\r
1166 // if it isn't a string, it isn't serialized
\r
1167 if ( !is_string( $data ) )
\r
1169 $data = trim( $data );
\r
1170 if ( 'N;' == $data )
\r
1172 if ( !preg_match( '/^([adObis]):/', $data, $badions ) )
\r
1174 switch ( $badions[1] ) {
\r
1178 if ( preg_match( "/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data ) )
\r
1184 if ( preg_match( "/^{$badions[1]}:[0-9.E-]+;\$/", $data ) )
\r
1191 // Unserialize value only if it was serialized. Stolen from WP
\r
1192 function yourls_maybe_unserialize( $original ) {
\r
1193 if ( yourls_is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in
\r
1194 return @unserialize( $original );
\r
1198 // Determine if the current page is private
\r
1199 function yourls_is_private() {
\r
1200 if (defined('YOURLS_PRIVATE') && YOURLS_PRIVATE == true) {
\r
1202 // Allow overruling of particular pages
\r
1203 $current = basename( $_SERVER["SCRIPT_NAME"] );
\r
1205 switch( $current ) {
\r
1207 case 'yourls-api.php':
\r
1208 if( !defined('YOURLS_PRIVATE_API') || YOURLS_PRIVATE_API != false )
\r
1212 case 'yourls-infos.php':
\r
1213 if( !defined('YOURLS_PRIVATE_INFOS') || YOURLS_PRIVATE_INFOS !== false )
\r
1226 // Show login form if required
\r
1227 function yourls_maybe_require_auth() {
\r
1228 if( yourls_is_private() )
\r
1229 require_once( dirname(__FILE__).'/auth.php' );
\r
1232 // Echo HTML tag for a link
\r
1233 function yourls_html_link( $href, $title = '', $element = '' ) {
\r
1237 $element = "id='$element'";
\r
1238 echo "<a href='$href' $element>$title</a>";
\r
1241 // Return word or words if more than one
\r
1242 function yourls_plural( $word, $count=1 ) {
\r
1243 return $word . ($count > 1 ? 's' : '');
\r
1246 // Return trimmed string
\r
1247 function yourls_trim_long_string( $string, $length = 60, $append = '[...]' ) {
\r
1248 if ( strlen( $string ) > $length ) {
\r
1249 $string = substr( $string, 0, $length - strlen( $append ) ) . $append;
\r
1254 // Allow several short URLs for the same long URL ?
\r
1255 function yourls_allow_duplicate_longurls() {
\r
1256 return ( defined( 'YOURLS_UNIQUE_URLS' ) && YOURLS_UNIQUE_URLS == false );
\r
1259 // Return list of all shorturls associated to the same long URL. Returns NULL or array of keywords.
\r
1260 function yourls_get_duplicate_keywords( $longurl ) {
\r
1261 if( !yourls_allow_duplicate_longurls() )
\r
1265 $longurl = mysql_real_escape_string( yourls_sanitize_url($longurl) );
\r
1266 $table = YOURLS_DB_TABLE_URL;
\r
1268 return $ydb->get_col( "SELECT `keyword` FROM `$table` WHERE `url` = '$longurl'" );
\r
1271 // Check if an IP shortens URL too fast to prevent DB flood. Return true, or die.
\r
1272 function yourls_check_IP_flood( $ip = '' ) {
\r
1274 ( defined('YOURLS_FLOOD_DELAY_SECONDS') && YOURLS_FLOOD_DELAY_SECONDS === 0 ) ||
\r
1275 !defined('YOURLS_FLOOD_DELAY_SECONDS')
\r
1279 $ip = ( $ip ? yourls_sanitize_ip( $ip ) : yourls_get_IP() );
\r
1281 // Don't throttle whitelist IPs
\r
1282 if( defined('YOURLS_FLOOD_IP_WHITELIST' && YOURLS_FLOOD_IP_WHITELIST ) ) {
\r
1283 $whitelist_ips = explode( ',', YOURLS_FLOOD_IP_WHITELIST );
\r
1284 foreach( $whitelist_ips as $whitelist_ip ) {
\r
1285 $whitelist_ip = trim( $whitelist_ip );
\r
1286 if ( $whitelist_ip == $ip )
\r
1291 // Don't throttle logged in users
\r
1292 if( yourls_is_private() ) {
\r
1293 if( yourls_is_valid_user() === true )
\r
1298 $table = YOURLS_DB_TABLE_URL;
\r
1300 $lasttime = $ydb->get_var( "SELECT `timestamp` FROM $table WHERE `ip` = '$ip' ORDER BY `timestamp` DESC LIMIT 1" );
\r
1302 $now = date( 'U' );
\r
1303 $then = date( 'U', strtotime( $lasttime ) );
\r
1304 if( ( $now - $then ) <= YOURLS_FLOOD_DELAY_SECONDS ) {
\r
1306 yourls_die( 'Too many URLs added too fast. Slow down please.', 'Forbidden', 403 );
\r
1314 function yourls_die( $message = '', $title = '', $header_code = 200 ) {
\r
1315 yourls_status_header( $header_code );
\r
1317 yourls_html_head();
\r
1320 <a href="<?php echo $base_page; ?>" title="YOURLS"><span>YOURLS</span>: <span>Y</span>our <span>O</span>wn <span>URL</span> <span>S</span>hortener<br/>
\r
1321 <img src="<?php echo YOURLS_SITE; ?>/images/yourls-logo.png" alt="YOURLS" title="YOURLS" style="border: 0px;" /></a>
\r
1324 echo "<h2>$title</h2>";
\r
1325 echo "<p>$message</p>";
\r
1326 yourls_html_footer();
\r
1330 // Check if YOURLS is installed
\r
1331 function yourls_is_installed() {
\r
1332 static $is_installed = false;
\r
1333 if ( $is_installed === false ) {
\r
1334 $check_14 = $check_13 = false;
\r
1336 if( defined('YOURLS_DB_TABLE_NEXTDEC') )
\r
1337 $check_13 = $ydb->get_var('SELECT next_id FROM '.YOURLS_DB_TABLE_NEXTDEC);
\r
1338 $check_14 = yourls_get_option( 'version' );
\r
1339 $is_installed = $check_13 || $check_14;
\r
1341 return $is_installed;
\r
1344 // Compat for PHP < 5.1
\r
1345 if ( !function_exists('htmlspecialchars_decode') ) {
\r
1346 function htmlspecialchars_decode($text) {
\r
1347 return strtr($text, array_flip(get_html_translation_table(HTML_SPECIALCHARS)));
\r
1351 // Generate random string of (int)$lenght length and type $type (see function for details)
\r
1352 function yourls_rnd_string ( $length = 5, $type = 1 ) {
\r
1354 $length = intval( $length );
\r
1356 // define possible characters
\r
1357 switch ( $type ) {
\r
1358 // no vowels to make no offending word, no 0 or 1 to avoid confusion betwee letters & digits. Perfect for passwords.
\r
1360 $possible = "23456789bcdfghjkmnpqrstvwxyz";
\r
1363 // all letters, lowercase
\r
1365 $possible = "abcdefghijklmnopqrstuvwxyz";
\r
1368 // all letters, lowercase + uppercase
\r
1370 $possible = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
\r
1373 // all digits & letters lowercase
\r
1375 $possible = "0123456789abcdefghijklmnopqrstuvwxyz";
\r
1378 // all digits & letters lowercase + uppercase
\r
1380 $possible = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
\r
1386 while ($i < $length) {
\r
1387 $str .= substr($possible, mt_rand(0, strlen($possible)-1), 1);
\r
1394 // Return salted string
\r
1395 function yourls_salt( $string ) {
\r
1396 $salt = defined('YOURLS_COOKIEKEY') ? YOURLS_COOKIEKEY : md5(__FILE__) ;
\r
1397 return md5 ($string . $salt);
\r
1400 // Return a time-dependent string for nonce creation
\r
1401 function yourls_tick() {
\r
1402 if( !defined('YOURLS_NONCE_LIFE') )
\r
1403 define( 'YOURLS_NONCE_LIFE', 3600 );
\r
1404 return ceil( time() / YOURLS_NONCE_LIFE );
\r
1407 // Create a time limited, action limited and user limited token
\r
1408 function yourls_create_nonce( $action = '-1', $user = false ) {
\r
1409 if( false == $user )
\r
1410 $user = defined('YOURLS_USER') ? YOURLS_USER : '-1';
\r
1411 $tick = yourls_tick();
\r
1412 return substr( yourls_salt($tick . $action . $user), 0, 10 );
\r
1415 // Check validity of a nonce (ie time span, user and action match)
\r
1416 function yourls_verify_nonce( $nonce, $action = -1, $user = false ) {
\r
1417 if( false == $user )
\r
1418 $user = defined('YOURLS_USER') ? YOURLS_USER : '-1';
\r
1419 $valid = yourls_create_nonce( $action, $user );
\r
1421 return $nonce == $valid ;
\r
1424 // Check if we're in API mode. Returns bool
\r
1425 function yourls_is_API() {
\r
1426 if ( defined('YOURLS_API') && YOURLS_API == true )
\r