<?php
+require_once('include/config.php');
+require_once('include/network.php');
+require_once('include/plugin.php');
+require_once('include/text.php');
+require_once("include/pgettext.php");
+
+
define ( 'FRIENDIKA_VERSION', '2.2.1059' );
define ( 'DFRN_PROTOCOL_VERSION', '2.21' );
define ( 'DB_UPDATE_VERSION', 1076 );
}
-/*
- * translation system
- */
-require_once("include/pgettext.php");
-
-
/**
*
* class: App
}}
-// install and uninstall plugin
-if (! function_exists('uninstall_plugin')){
-function uninstall_plugin($plugin){
- logger("Addons: uninstalling " . $plugin);
- q("DELETE FROM `addon` WHERE `name` = '%s' LIMIT 1",
- dbesc($plugin)
- );
-
- @include_once('addon/' . $plugin . '/' . $plugin . '.php');
- if(function_exists($plugin . '_uninstall')) {
- $func = $plugin . '_uninstall';
- $func();
- }
-}}
-
-if (! function_exists('install_plugin')){
-function install_plugin($plugin){
- logger("Addons: installing " . $plugin);
- $t = filemtime('addon/' . $plugin . '/' . $plugin . '.php');
- @include_once('addon/' . $plugin . '/' . $plugin . '.php');
- if(function_exists($plugin . '_install')) {
- $func = $plugin . '_install';
- $func();
-
- $plugin_admin = (function_exists($plugin."_plugin_admin")?1:0);
-
- $r = q("INSERT INTO `addon` (`name`, `installed`, `timestamp`, `plugin_admin`) VALUES ( '%s', 1, %d , %d ) ",
- dbesc($plugin),
- intval($t),
- $plugin_admin
- );
- }
-}}
-
// Primarily involved with database upgrade, but also sets the
// base url for use in cmdline programs which don't have
// $_SERVER variables, and synchronising the state of installed plugins.
return;
}}
-// reload all updated plugins
-
-if(! function_exists('reload_plugins')) {
-function reload_plugins() {
- $plugins = get_config('system','addon');
- if(strlen($plugins)) {
-
- $r = q("SELECT * FROM `addon` WHERE `installed` = 1");
- if(count($r))
- $installed = $r;
- else
- $installed = array();
-
- $parr = explode(',',$plugins);
- if(count($parr)) {
- foreach($parr as $pl) {
- $pl = trim($pl);
-
- $t = filemtime('addon/' . $pl . '/' . $pl . '.php');
- foreach($installed as $i) {
- if(($i['name'] == $pl) && ($i['timestamp'] != $t)) {
- logger('Reloading plugin: ' . $i['name']);
- @include_once('addon/' . $pl . '/' . $pl . '.php');
-
- if(function_exists($pl . '_uninstall')) {
- $func = $pl . '_uninstall';
- $func();
- }
- if(function_exists($pl . '_install')) {
- $func = $pl . '_install';
- $func();
- }
- q("UPDATE `addon` SET `timestamp` = %d WHERE `id` = %d LIMIT 1",
- intval($t),
- intval($i['id'])
- );
- }
- }
- }
- }
- }
-}}
-
-
-
-// This is our template processor.
-// $s is the string requiring macro substitution.
-// $r is an array of key value pairs (search => replace)
-// returns substituted string.
-// WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
-// For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
-// depending on the order in which they were declared in the array.
-
-require_once("include/template_processor.php");
-
-if(! function_exists('replace_macros')) {
-function replace_macros($s,$r) {
- global $t;
-
- return $t->replace($s,$r);
-
-}}
-
-
-// curl wrapper. If binary flag is true, return binary
-// results.
-
-if(! function_exists('fetch_url')) {
-function fetch_url($url,$binary = false, &$redirects = 0) {
-
- $a = get_app();
-
- $ch = curl_init($url);
- if(($redirects > 8) || (! $ch))
- return false;
-
- curl_setopt($ch, CURLOPT_HEADER, true);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
- curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
-
- $curl_time = intval(get_config('system','curl_timeout'));
- curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
-
- // by default we will allow self-signed certs
- // but you can override this
-
- $check_cert = get_config('system','verifyssl');
- curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
-
- $prx = get_config('system','proxy');
- if(strlen($prx)) {
- curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
- curl_setopt($ch, CURLOPT_PROXY, $prx);
- $prxusr = get_config('system','proxyuser');
- if(strlen($prxusr))
- curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
- }
- if($binary)
- curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
-
- $a->set_curl_code(0);
-
- // don't let curl abort the entire application
- // if it throws any errors.
-
- $s = @curl_exec($ch);
-
- $base = $s;
- $curl_info = curl_getinfo($ch);
- $http_code = $curl_info['http_code'];
-
- $header = '';
-
- // Pull out multiple headers, e.g. proxy and continuation headers
- // allow for HTTP/2.x without fixing code
-
- while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
- $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
- $header .= $chunk;
- $base = substr($base,strlen($chunk));
- }
-
- if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
- $matches = array();
- preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
- $url = trim(array_pop($matches));
- $url_parsed = @parse_url($url);
- if (isset($url_parsed)) {
- $redirects++;
- return fetch_url($url,$binary,$redirects);
- }
- }
-
- $a->set_curl_code($http_code);
-
- $body = substr($s,strlen($header));
-
- $a->set_curl_headers($header);
-
- curl_close($ch);
- return($body);
-}}
-
-// post request to $url. $params is an array of post variables.
-
-if(! function_exists('post_url')) {
-function post_url($url,$params, $headers = null, &$redirects = 0) {
- $a = get_app();
- $ch = curl_init($url);
- if(($redirects > 8) || (! $ch))
- return false;
-
- curl_setopt($ch, CURLOPT_HEADER, true);
- curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
- curl_setopt($ch, CURLOPT_POST,1);
- curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
- curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
-
- $curl_time = intval(get_config('system','curl_timeout'));
- curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
-
- if(defined('LIGHTTPD')) {
- if(!is_array($headers)) {
- $headers = array('Expect:');
- } else {
- if(!in_array('Expect:', $headers)) {
- array_push($headers, 'Expect:');
- }
- }
- }
- if($headers)
- curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
-
- $check_cert = get_config('system','verifyssl');
- curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
- $prx = get_config('system','proxy');
- if(strlen($prx)) {
- curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
- curl_setopt($ch, CURLOPT_PROXY, $prx);
- $prxusr = get_config('system','proxyuser');
- if(strlen($prxusr))
- curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
- }
-
- $a->set_curl_code(0);
-
- // don't let curl abort the entire application
- // if it throws any errors.
-
- $s = @curl_exec($ch);
-
- $base = $s;
- $curl_info = curl_getinfo($ch);
- $http_code = $curl_info['http_code'];
-
- $header = '';
-
- // Pull out multiple headers, e.g. proxy and continuation headers
- // allow for HTTP/2.x without fixing code
-
- while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
- $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
- $header .= $chunk;
- $base = substr($base,strlen($chunk));
- }
-
- if($http_code == 301 || $http_code == 302 || $http_code == 303) {
- $matches = array();
- preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
- $url = trim(array_pop($matches));
- $url_parsed = @parse_url($url);
- if (isset($url_parsed)) {
- $redirects++;
- return post_url($url,$binary,$headers,$redirects);
- }
- }
- $a->set_curl_code($http_code);
- $body = substr($s,strlen($header));
-
- $a->set_curl_headers($header);
-
- curl_close($ch);
- return($body);
-}}
-
-// random hash, 64 chars
-
-if(! function_exists('random_string')) {
-function random_string() {
- return(hash('sha256',uniqid(rand(),true)));
-}}
-
-/**
- * This is our primary input filter.
- *
- * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
- * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
- * after cleansing, and angle chars with the high bit set could get through as markup.
- *
- * This is now disabled because it was interfering with some legitimate unicode sequences
- * and hopefully there aren't a lot of those browsers left.
- *
- * Use this on any text input where angle chars are not valid or permitted
- * They will be replaced with safer brackets. This may be filtered further
- * if these are not allowed either.
- *
- */
-
-if(! function_exists('notags')) {
-function notags($string) {
-
- return(str_replace(array("<",">"), array('[',']'), $string));
-
-// High-bit filter no longer used
-// return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
-}}
-
-// use this on "body" or "content" input where angle chars shouldn't be removed,
-// and allow them to be safely displayed.
-
-if(! function_exists('escape_tags')) {
-function escape_tags($string) {
- return(htmlspecialchars($string));
-}}
// wrapper for adding a login box. If $register == true provide a registration
// link. This will most always depend on the value of $a->config['register_policy'].
return $o;
}}
-// generate a string that's random, but usually pronounceable.
-// used to generate initial passwords
-
-if(! function_exists('autoname')) {
-function autoname($len) {
-
- $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
- if(mt_rand(0,5) == 4)
- $vowels[] = 'y';
-
- $cons = array(
- 'b','bl','br',
- 'c','ch','cl','cr',
- 'd','dr',
- 'f','fl','fr',
- 'g','gh','gl','gr',
- 'h',
- 'j',
- 'k','kh','kl','kr',
- 'l',
- 'm',
- 'n',
- 'p','ph','pl','pr',
- 'qu',
- 'r','rh',
- 's','sc','sh','sm','sp','st',
- 't','th','tr',
- 'v',
- 'w','wh',
- 'x',
- 'z','zh'
- );
-
- $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
- 'nd','ng','nk','nt','rn','rp','rt');
-
- $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
- 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
-
- $start = mt_rand(0,2);
- if($start == 0)
- $table = $vowels;
- else
- $table = $cons;
-
- $word = '';
-
- for ($x = 0; $x < $len; $x ++) {
- $r = mt_rand(0,count($table) - 1);
- $word .= $table[$r];
-
- if($table == $vowels)
- $table = array_merge($cons,$midcons);
- else
- $table = $vowels;
-
- }
-
- $word = substr($word,0,$len);
-
- foreach($noend as $noe) {
- if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
- $word = substr($word,0,-1);
- break;
- }
- }
- if(substr($word,-1) == 'q')
- $word = substr($word,0,-1);
- return $word;
-}}
-
// Used to end the current process, after saving session state.
if(! function_exists('killme')) {
killme();
}}
-// Generic XML return
-// Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
-// of $st and an optional text <message> of $message and terminates the current process.
-
-if(! function_exists('xml_status')) {
-function xml_status($st, $message = '') {
-
- $xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
-
- if($st)
- logger('xml_status returning non_zero: ' . $st . " message=" . $message);
-
- header( "Content-type: text/xml" );
- echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
- echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
- killme();
-}}
// Returns the uid of locally logged in user or false.
}}
-// escape text ($str) for XML transport
-// returns escaped text.
-
-if(! function_exists('xmlify')) {
-function xmlify($str) {
- $buffer = '';
-
- for($x = 0; $x < strlen($str); $x ++) {
- $char = $str[$x];
-
- switch( $char ) {
-
- case "\r" :
- break;
- case "&" :
- $buffer .= '&';
- break;
- case "'" :
- $buffer .= ''';
- break;
- case "\"" :
- $buffer .= '"';
- break;
- case '<' :
- $buffer .= '<';
- break;
- case '>' :
- $buffer .= '>';
- break;
- case "\n" :
- $buffer .= "\n";
- break;
- default :
- $buffer .= $char;
- break;
- }
- }
- $buffer = trim($buffer);
- return($buffer);
-}}
-// undo an xmlify
-// pass xml escaped text ($s), returns unescaped text
+/**
+ *
+ * Function : profile_load
+ * @parameter App $a
+ * @parameter string $nickname
+ * @parameter int $profile
+ *
+ * Summary: Loads a profile into the page sidebar.
+ * The function requires a writeable copy of the main App structure, and the nickname
+ * of a registered local account.
+ *
+ * If the viewer is an authenticated remote viewer, the profile displayed is the
+ * one that has been configured for his/her viewing in the Contact manager.
+ * Passing a non-zero profile ID can also allow a preview of a selected profile
+ * by the owner.
+ *
+ * Profile information is placed in the App structure for later retrieval.
+ * Honours the owner's chosen theme for display.
+ *
+ */
-if(! function_exists('unxmlify')) {
-function unxmlify($s) {
- $ret = str_replace('&','&', $s);
- $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
- return $ret;
-}}
+if(! function_exists('profile_load')) {
+function profile_load(&$a, $nickname, $profile = 0) {
+ if(remote_user()) {
+ $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
+ intval($_SESSION['visitor_id']));
+ if(count($r))
+ $profile = $r[0]['profile-id'];
+ }
-// convenience wrapper, reverse the operation "bin2hex"
+ $r = null;
-if(! function_exists('hex2bin')) {
-function hex2bin($s) {
- if(! ctype_xdigit($s)) {
- logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
- return($s);
+ if($profile) {
+ $profile_int = intval($profile);
+ $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
+ LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
+ WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
+ dbesc($nickname),
+ intval($profile_int)
+ );
+ }
+ if(! count($r)) {
+ $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
+ LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
+ WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
+ dbesc($nickname)
+ );
}
- return(pack("H*",$s));
-}}
-
-// Automatic pagination.
-// To use, get the count of total items.
-// Then call $a->set_pager_total($number_items);
-// Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
-// Then call paginate($a) after the end of the display loop to insert the pager block on the page
-// (assuming there are enough items to paginate).
-// When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
-// will limit the results to the correct items for the current page.
-// The actual page handling is then accomplished at the application layer.
-
-if(! function_exists('paginate')) {
-function paginate(&$a) {
- $o = '';
- $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
- $stripped = str_replace('q=','',$stripped);
- $stripped = trim($stripped,'/');
- $pagenum = $a->pager['page'];
- $url = $a->get_baseurl() . '/' . $stripped;
-
-
- if($a->pager['total'] > $a->pager['itemspage']) {
- $o .= '<div class="pager">';
- if($a->pager['page'] != 1)
- $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
-
- $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
+ if(($r === false) || (! count($r))) {
+ notice( t('No profile') . EOL );
+ $a->error = 404;
+ return;
+ }
- $numpages = $a->pager['total'] / $a->pager['itemspage'];
+ $a->profile = $r[0];
- $numstart = 1;
- $numstop = $numpages;
- if($numpages > 14) {
- $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
- $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
- }
-
- for($i = $numstart; $i <= $numstop; $i++){
- if($i == $a->pager['page'])
- $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
- else
- $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
- $o .= '</span> ';
- }
+ $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
+ $_SESSION['theme'] = $a->profile['theme'];
- if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
- if($i == $a->pager['page'])
- $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
- else
- $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
- $o .= '</span> ';
- }
+ if(! (x($a->page,'aside')))
+ $a->page['aside'] = '';
- $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
- $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
+ $a->page['aside'] .= profile_sidebar($a->profile);
+ $a->page['aside'] .= contact_block();
- if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
- $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
- $o .= '</div>'."\r\n";
- }
- return $o;
+ return;
}}
-// Turn user/group ACLs stored as angle bracketed text into arrays
-if(! function_exists('expand_acl')) {
-function expand_acl($s) {
- // turn string array of angle-bracketed elements into numeric array
- // e.g. "<1><2><3>" => array(1,2,3);
- $ret = array();
+/**
+ *
+ * Function: profile_sidebar
+ *
+ * Formats a profile for display in the sidebar.
+ * It is very difficult to templatise the HTML completely
+ * because of all the conditional logic.
+ *
+ * @parameter: array $profile
+ *
+ * Returns HTML string stuitable for sidebar inclusion
+ * Exceptions: Returns empty string if passed $profile is wrong type or not populated
+ *
+ */
- if(strlen($s)) {
- $t = str_replace('<','',$s);
- $a = explode('>',$t);
- foreach($a as $aa) {
- if(intval($aa))
- $ret[] = intval($aa);
- }
- }
- return $ret;
-}}
-// Used to wrap ACL elements in angle brackets for storage
+if(! function_exists('profile_sidebar')) {
+function profile_sidebar($profile) {
-if(! function_exists('sanitise_acl')) {
-function sanitise_acl(&$item) {
- if(intval($item))
- $item = '<' . intval(notags(trim($item))) . '>';
- else
- unset($item);
-}}
+ $a = get_app();
-// retrieve a "family" of config variables from database to cached storage
+ $o = '';
+ $location = '';
+ $address = false;
-if(! function_exists('load_config')) {
-function load_config($family) {
- global $a;
- $r = q("SELECT * FROM `config` WHERE `cat` = '%s'",
- dbesc($family)
- );
- if(count($r)) {
- foreach($r as $rr) {
- $k = $rr['k'];
- if ($rr['cat'] === 'config') {
- $a->config[$k] = $rr['v'];
- } else {
- $a->config[$family][$k] = $rr['v'];
- }
- }
- }
-}}
+ if((! is_array($profile)) && (! count($profile)))
+ return $o;
-// get a particular config variable given the family name
-// and key. Returns false if not set.
-// $instore is only used by the set_config function
-// to determine if the key already exists in the DB
-// If a key is found in the DB but doesn't exist in
-// local config cache, pull it into the cache so we don't have
-// to hit the DB again for this item.
+ call_hooks('profile_sidebar_enter', $profile);
-if(! function_exists('get_config')) {
-function get_config($family, $key, $instore = false) {
+ $fullname = '<div class="fn">' . $profile['name'] . '</div>';
- global $a;
+ $pdesc = '<div class="title">' . $profile['pdesc'] . '</div>';
- if(! $instore) {
- if(isset($a->config[$family][$key])) {
- if($a->config[$family][$key] === '!<unset>!') {
- return false;
- }
- return $a->config[$family][$key];
- }
- }
- $ret = q("SELECT `v` FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
- dbesc($family),
- dbesc($key)
- );
- if(count($ret)) {
- // manage array value
- $val = (preg_match("|^a:[0-9]+:{.*}$|", $ret[0]['v'])?unserialize( $ret[0]['v']):$ret[0]['v']);
- $a->config[$family][$key] = $val;
- return $val;
- }
- else {
- $a->config[$family][$key] = '!<unset>!';
- }
- return false;
-}}
+ $tabs = '';
-// Store a config value ($value) in the category ($family)
-// under the key ($key)
-// Return the value, or false if the database update failed
+ $photo = '<div id="profile-photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
-if(! function_exists('set_config')) {
-function set_config($family,$key,$value) {
- global $a;
-
- // manage array value
- $dbvalue = (is_array($value)?serialize($value):$value);
-
- if(get_config($family,$key,true) === false) {
- $a->config[$family][$key] = $value;
- $ret = q("INSERT INTO `config` ( `cat`, `k`, `v` ) VALUES ( '%s', '%s', '%s' ) ",
- dbesc($family),
- dbesc($key),
- dbesc($dbvalue)
- );
- if($ret)
- return $value;
- return $ret;
- }
+ // don't show connect link to yourself
- $ret = q("UPDATE `config` SET `v` = '%s' WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
- dbesc($dbvalue),
- dbesc($family),
- dbesc($key)
- );
+ $connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
- $a->config[$family][$key] = $value;
+ // don't show connect link to authenticated visitors either
- if($ret)
- return $value;
- return $ret;
-}}
+ if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
+ $connect = '';
-
-if(! function_exists('load_pconfig')) {
-function load_pconfig($uid,$family) {
- global $a;
- $r = q("SELECT * FROM `pconfig` WHERE `cat` = '%s' AND `uid` = %d",
- dbesc($family),
- intval($uid)
- );
- if(count($r)) {
- foreach($r as $rr) {
- $k = $rr['k'];
- $a->config[$uid][$family][$k] = $rr['v'];
- }
- }
-}}
-
-
-
-if(! function_exists('get_pconfig')) {
-function get_pconfig($uid,$family, $key, $instore = false) {
-
- global $a;
-
- if(! $instore) {
- if(isset($a->config[$uid][$family][$key])) {
- if($a->config[$uid][$family][$key] === '!<unset>!') {
- return false;
- }
- return $a->config[$uid][$family][$key];
- }
- }
-
- $ret = q("SELECT `v` FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
- intval($uid),
- dbesc($family),
- dbesc($key)
- );
-
- if(count($ret)) {
- $a->config[$uid][$family][$key] = $ret[0]['v'];
- return $ret[0]['v'];
- }
- else {
- $a->config[$uid][$family][$key] = '!<unset>!';
- }
- return false;
-}}
-
-if(! function_exists('del_config')) {
-function del_config($family,$key) {
-
- global $a;
- if(x($a->config[$family],$key))
- unset($a->config[$family][$key]);
- $ret = q("DELETE FROM `config` WHERE `cat` = '%s' AND `k` = '%s' LIMIT 1",
- dbesc($cat),
- dbesc($key)
- );
- return $ret;
-}}
-
-
-
-// Same as above functions except these are for personal config storage and take an
-// additional $uid argument.
-
-if(! function_exists('set_pconfig')) {
-function set_pconfig($uid,$family,$key,$value) {
-
- global $a;
-
- if(get_pconfig($uid,$family,$key,true) === false) {
- $a->config[$uid][$family][$key] = $value;
- $ret = q("INSERT INTO `pconfig` ( `uid`, `cat`, `k`, `v` ) VALUES ( %d, '%s', '%s', '%s' ) ",
- intval($uid),
- dbesc($family),
- dbesc($key),
- dbesc($value)
- );
- if($ret)
- return $value;
- return $ret;
- }
- $ret = q("UPDATE `pconfig` SET `v` = '%s' WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
- dbesc($value),
- intval($uid),
- dbesc($family),
- dbesc($key)
- );
-
- $a->config[$uid][$family][$key] = $value;
-
- if($ret)
- return $value;
- return $ret;
-}}
-
-if(! function_exists('del_pconfig')) {
-function del_pconfig($uid,$family,$key) {
-
- global $a;
- if(x($a->config[$uid][$family],$key))
- unset($a->config[$uid][$family][$key]);
- $ret = q("DELETE FROM `pconfig` WHERE `uid` = %d AND `cat` = '%s' AND `k` = '%s' LIMIT 1",
- intval($uid),
- dbesc($family),
- dbesc($key)
- );
- return $ret;
-}}
-
-
-// convert an XML document to a normalised, case-corrected array
-// used by webfinger
-
-if(! function_exists('convert_xml_element_to_array')) {
-function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
-
- // If we're getting too deep, bail out
- if ($recursion_depth > 512) {
- return(null);
- }
-
- if (!is_string($xml_element) &&
- !is_array($xml_element) &&
- (get_class($xml_element) == 'SimpleXMLElement')) {
- $xml_element_copy = $xml_element;
- $xml_element = get_object_vars($xml_element);
- }
-
- if (is_array($xml_element)) {
- $result_array = array();
- if (count($xml_element) <= 0) {
- return (trim(strval($xml_element_copy)));
- }
-
- foreach($xml_element as $key=>$value) {
-
- $recursion_depth++;
- $result_array[strtolower($key)] =
- convert_xml_element_to_array($value, $recursion_depth);
- $recursion_depth--;
- }
- if ($recursion_depth == 0) {
- $temp_array = $result_array;
- $result_array = array(
- strtolower($xml_element_copy->getName()) => $temp_array,
- );
- }
-
- return ($result_array);
-
- } else {
- return (trim(strval($xml_element)));
- }
-}}
-
-// Given an email style address, perform webfinger lookup and
-// return the resulting DFRN profile URL, or if no DFRN profile URL
-// is located, returns an OStatus subscription template (prefixed
-// with the string 'stat:' to identify it as on OStatus template).
-// If this isn't an email style address just return $s.
-// Return an empty string if email-style addresses but webfinger fails,
-// or if the resultant personal XRD doesn't contain a supported
-// subscription/friend-request attribute.
-
-if(! function_exists('webfinger_dfrn')) {
-function webfinger_dfrn($s) {
- if(! strstr($s,'@')) {
- return $s;
- }
- $links = webfinger($s);
- logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
- if(count($links)) {
- foreach($links as $link)
- if($link['@attributes']['rel'] === NAMESPACE_DFRN)
- return $link['@attributes']['href'];
- foreach($links as $link)
- if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
- return 'stat:' . $link['@attributes']['template'];
- }
- return '';
-}}
-
-// Given an email style address, perform webfinger lookup and
-// return the array of link attributes from the personal XRD file.
-// On error/failure return an empty array.
-
-
-if(! function_exists('webfinger')) {
-function webfinger($s) {
- $host = '';
- if(strstr($s,'@')) {
- $host = substr($s,strpos($s,'@') + 1);
- }
- if(strlen($host)) {
- $tpl = fetch_lrdd_template($host);
- logger('webfinger: lrdd template: ' . $tpl);
- if(strlen($tpl)) {
- $pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
- logger('webfinger: pxrd: ' . $pxrd);
- $links = fetch_xrd_links($pxrd);
- if(! count($links)) {
- // try with double slashes
- $pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
- logger('webfinger: pxrd: ' . $pxrd);
- $links = fetch_xrd_links($pxrd);
- }
- return $links;
- }
- }
- return array();
-}}
-
-if(! function_exists('lrdd')) {
-function lrdd($uri) {
-
- $a = get_app();
-
- // default priority is host priority, host-meta first
-
- $priority = 'host';
-
- // All we have is an email address. Resource-priority is irrelevant
- // because our URI isn't directly resolvable.
-
- if(strstr($uri,'@')) {
- return(webfinger($uri));
- }
-
- // get the host meta file
-
- $host = @parse_url($uri);
-
- if($host) {
- $url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
- $url .= $host['host'] . '/.well-known/host-meta' ;
- }
- else
- return array();
-
- logger('lrdd: constructed url: ' . $url);
-
- $xml = fetch_url($url);
- $headers = $a->get_curl_headers();
-
- if (! $xml)
- return array();
-
- logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
-
- $h = parse_xml_string($xml);
- if(! $h)
- return array();
-
- $arr = convert_xml_element_to_array($h);
-
- if(isset($arr['xrd']['property'])) {
- $property = $arr['crd']['property'];
- if(! isset($property[0]))
- $properties = array($property);
- else
- $properties = $property;
- foreach($properties as $prop)
- if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
- $priority = 'resource';
- }
-
- // save the links in case we need them
-
- $links = array();
-
- if(isset($arr['xrd']['link'])) {
- $link = $arr['xrd']['link'];
- if(! isset($link[0]))
- $links = array($link);
- else
- $links = $link;
- }
-
- // do we have a template or href?
-
- if(count($links)) {
- foreach($links as $link) {
- if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
- if(x($link['@attributes'],'template'))
- $tpl = $link['@attributes']['template'];
- elseif(x($link['@attributes'],'href'))
- $href = $link['@attributes']['href'];
- }
- }
- }
-
- if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
- $tpl = '';
-
- if($priority === 'host') {
- if(strlen($tpl))
- $pxrd = str_replace('{uri}', urlencode($uri), $tpl);
- elseif(isset($href))
- $pxrd = $href;
- if(isset($pxrd)) {
- logger('lrdd: (host priority) pxrd: ' . $pxrd);
- $links = fetch_xrd_links($pxrd);
- return $links;
- }
-
- $lines = explode("\n",$headers);
- if(count($lines)) {
- foreach($lines as $line) {
- if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
- return(fetch_xrd_links($matches[1]));
- break;
- }
- }
- }
- }
-
-
- // priority 'resource'
-
-
- $html = fetch_url($uri);
- $headers = $a->get_curl_headers();
- logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
-
- // don't try and parse raw xml as html
- if(! strstr($html,'<?xml')) {
- require_once('library/HTML5/Parser.php');
- $dom = @HTML5_Parser::parse($html);
-
- if($dom) {
- $items = $dom->getElementsByTagName('link');
- foreach($items as $item) {
- $x = $item->getAttribute('rel');
- if($x == "lrdd") {
- $pagelink = $item->getAttribute('href');
- break;
- }
- }
- }
- }
-
- if(isset($pagelink))
- return(fetch_xrd_links($pagelink));
-
- // next look in HTTP headers
-
- $lines = explode("\n",$headers);
- if(count($lines)) {
- foreach($lines as $line) {
- // TODO alter the following regex to support multiple relations (space separated)
- if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
- $pagelink = $matches[1];
- break;
- }
- // don't try and run feeds through the html5 parser
- if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
- return array();
- if(stristr($html,'<rss') || stristr($html,'<feed'))
- return array();
- }
- }
-
- if(isset($pagelink))
- return(fetch_xrd_links($pagelink));
-
- // If we haven't found any links, return the host xrd links (which we have already fetched)
-
- if(isset($links))
- return $links;
-
- return array();
-
-}}
-
-
-
-// Given a host name, locate the LRDD template from that
-// host. Returns the LRDD template or an empty string on
-// error/failure.
-
-if(! function_exists('fetch_lrdd_template')) {
-function fetch_lrdd_template($host) {
- $tpl = '';
-
- $url1 = 'https://' . $host . '/.well-known/host-meta' ;
- $url2 = 'http://' . $host . '/.well-known/host-meta' ;
- $links = fetch_xrd_links($url1);
- logger('fetch_lrdd_template from: ' . $url1);
- logger('template (https): ' . print_r($links,true));
- if(! count($links)) {
- logger('fetch_lrdd_template from: ' . $url2);
- $links = fetch_xrd_links($url2);
- logger('template (http): ' . print_r($links,true));
- }
- if(count($links)) {
- foreach($links as $link)
- if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
- $tpl = $link['@attributes']['template'];
- }
- if(! strpos($tpl,'{uri}'))
- $tpl = '';
- return $tpl;
-}}
-
-// Given a URL, retrieve the page as an XRD document.
-// Return an array of links.
-// on error/failure return empty array.
-
-if(! function_exists('fetch_xrd_links')) {
-function fetch_xrd_links($url) {
-
-
- $xml = fetch_url($url);
-
- logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
-
- if ((! $xml) || (! stristr($xml,'<xrd')))
- return array();
-
- $h = parse_xml_string($xml);
- if(! $h)
- return array();
-
- $arr = convert_xml_element_to_array($h);
-
- $links = array();
-
- if(isset($arr['xrd']['link'])) {
- $link = $arr['xrd']['link'];
- if(! isset($link[0]))
- $links = array($link);
- else
- $links = $link;
- }
- if(isset($arr['xrd']['alias'])) {
- $alias = $arr['xrd']['alias'];
- if(! isset($alias[0]))
- $aliases = array($alias);
- else
- $aliases = $alias;
- foreach($aliases as $alias) {
- $links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
- }
- }
-
- logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
-
- return $links;
-
-}}
-
-// Convert an ACL array to a storable string
-
-if(! function_exists('perms2str')) {
-function perms2str($p) {
- $ret = '';
- $tmp = $p;
- if(is_array($tmp)) {
- array_walk($tmp,'sanitise_acl');
- $ret = implode('',$tmp);
- }
- return $ret;
-}}
-
-// generate a guaranteed unique (for this domain) item ID for ATOM
-// safe from birthday paradox
-
-if(! function_exists('item_new_uri')) {
-function item_new_uri($hostname,$uid) {
-
- do {
- $dups = false;
- $hash = random_string();
-
- $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
-
- $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
- dbesc($uri));
- if(count($r))
- $dups = true;
- } while($dups == true);
- return $uri;
-}}
-
-// Generate a guaranteed unique photo ID.
-// safe from birthday paradox
-
-if(! function_exists('photo_new_resource')) {
-function photo_new_resource() {
-
- do {
- $found = false;
- $resource = hash('md5',uniqid(mt_rand(),true));
- $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
- dbesc($resource)
- );
- if(count($r))
- $found = true;
- } while($found == true);
- return $resource;
-}}
-
-
-// Take a URL from the wild, prepend http:// if necessary
-// and check DNS to see if it's real
-// return true if it's OK, false if something is wrong with it
-
-if(! function_exists('validate_url')) {
-function validate_url(&$url) {
- if(substr($url,0,4) != 'http')
- $url = 'http://' . $url;
- $h = @parse_url($url);
-
- if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
- return true;
- }
- return false;
-}}
-
-// checks that email is an actual resolvable internet address
-
-if(! function_exists('validate_email')) {
-function validate_email($addr) {
-
- if(! strpos($addr,'@'))
- return false;
- $h = substr($addr,strpos($addr,'@') + 1);
-
- if(($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
- return true;
- }
- return false;
-}}
-
-// Check $url against our list of allowed sites,
-// wildcards allowed. If allowed_sites is unset return true;
-// If url is allowed, return true.
-// otherwise, return false
-
-if(! function_exists('allowed_url')) {
-function allowed_url($url) {
-
- $h = @parse_url($url);
-
- if(! $h) {
- return false;
- }
-
- $str_allowed = get_config('system','allowed_sites');
- if(! $str_allowed)
- return true;
-
- $found = false;
-
- $host = strtolower($h['host']);
-
- // always allow our own site
-
- if($host == strtolower($_SERVER['SERVER_NAME']))
- return true;
-
- $fnmatch = function_exists('fnmatch');
- $allowed = explode(',',$str_allowed);
-
- if(count($allowed)) {
- foreach($allowed as $a) {
- $pat = strtolower(trim($a));
- if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
- $found = true;
- break;
- }
- }
- }
- return $found;
-}}
-
-// check if email address is allowed to register here.
-// Compare against our list (wildcards allowed).
-// Returns false if not allowed, true if allowed or if
-// allowed list is not configured.
-
-if(! function_exists('allowed_email')) {
-function allowed_email($email) {
-
-
- $domain = strtolower(substr($email,strpos($email,'@') + 1));
- if(! $domain)
- return false;
-
- $str_allowed = get_config('system','allowed_email');
- if(! $str_allowed)
- return true;
-
- $found = false;
-
- $fnmatch = function_exists('fnmatch');
- $allowed = explode(',',$str_allowed);
-
- if(count($allowed)) {
- foreach($allowed as $a) {
- $pat = strtolower(trim($a));
- if(($fnmatch && fnmatch($pat,$domain)) || ($pat == $domain)) {
- $found = true;
- break;
- }
- }
- }
- return $found;
-}}
-
-
-
-// wrapper to load a view template, checking for alternate
-// languages before falling back to the default
-
-// obsolete, deprecated.
-
-if(! function_exists('load_view_file')) {
-function load_view_file($s) {
- global $lang, $a;
- if(! isset($lang))
- $lang = 'en';
- $b = basename($s);
- $d = dirname($s);
- if(file_exists("$d/$lang/$b"))
- return file_get_contents("$d/$lang/$b");
-
- $theme = current_theme();
-
- if(file_exists("$d/theme/$theme/$b"))
- return file_get_contents("$d/theme/$theme/$b");
-
- return file_get_contents($s);
-}}
-
-if(! function_exists('get_intltext_template')) {
-function get_intltext_template($s) {
- global $lang;
-
- if(! isset($lang))
- $lang = 'en';
-
- if(file_exists("view/$lang/$s"))
- return file_get_contents("view/$lang/$s");
- elseif(file_exists("view/en/$s"))
- return file_get_contents("view/en/$s");
- else
- return file_get_contents("view/$s");
-}}
-
-if(! function_exists('get_markup_template')) {
-function get_markup_template($s) {
-
- $theme = current_theme();
-
- if(file_exists("view/theme/$theme/$s"))
- return file_get_contents("view/theme/$theme/$s");
- else
- return file_get_contents("view/$s");
-
-}}
-
-
-
-
-
-// for html,xml parsing - let's say you've got
-// an attribute foobar="class1 class2 class3"
-// and you want to find out if it contains 'class3'.
-// you can't use a normal sub string search because you
-// might match 'notclass3' and a regex to do the job is
-// possible but a bit complicated.
-// pass the attribute string as $attr and the attribute you
-// are looking for as $s - returns true if found, otherwise false
-
-if(! function_exists('attribute_contains')) {
-function attribute_contains($attr,$s) {
- $a = explode(' ', $attr);
- if(count($a) && in_array($s,$a))
- return true;
- return false;
-}}
-
-if(! function_exists('logger')) {
-function logger($msg,$level = 0) {
- $debugging = get_config('system','debugging');
- $loglevel = intval(get_config('system','loglevel'));
- $logfile = get_config('system','logfile');
-
- if((! $debugging) || (! $logfile) || ($level > $loglevel))
- return;
-
- @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
- return;
-}}
-
-
-if(! function_exists('activity_match')) {
-function activity_match($haystack,$needle) {
- if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
- return true;
- return false;
-}}
-
-
-// Pull out all #hashtags and @person tags from $s;
-// We also get @person@domain.com - which would make
-// the regex quite complicated as tags can also
-// end a sentence. So we'll run through our results
-// and strip the period from any tags which end with one.
-// Returns array of tags found, or empty array.
-
-
-if(! function_exists('get_tags')) {
-function get_tags($s) {
- $ret = array();
-
- // ignore anything in a code block
-
- $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
-
- // Match full names against @tags including the space between first and last
- // We will look these up afterward to see if they are full names or not recognisable.
-
- if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
- foreach($match[1] as $mtch) {
- if(strstr($mtch,"]")) {
- // we might be inside a bbcode color tag - leave it alone
- continue;
- }
- if(substr($mtch,-1,1) === '.')
- $ret[] = substr($mtch,0,-1);
- else
- $ret[] = $mtch;
- }
- }
-
- // Otherwise pull out single word tags. These can be @nickname, @first_last
- // and #hash tags.
-
- if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
- foreach($match[1] as $mtch) {
- if(strstr($mtch,"]")) {
- // we might be inside a bbcode color tag - leave it alone
- continue;
- }
- // ignore strictly numeric tags like #1
- if((strpos($mtch,'#') === 0) && ctype_digit(substr($mtch,1)))
- continue;
- if(substr($mtch,-1,1) === '.')
- $ret[] = substr($mtch,0,-1);
- else
- $ret[] = $mtch;
- }
- }
- return $ret;
-}}
-
-
-// quick and dirty quoted_printable encoding
-
-if(! function_exists('qp')) {
-function qp($s) {
-return str_replace ("%","=",rawurlencode($s));
-}}
-
-
-
-if(! function_exists('get_mentions')) {
-function get_mentions($item) {
- $o = '';
- if(! strlen($item['tag']))
- return $o;
-
- $arr = explode(',',$item['tag']);
- foreach($arr as $x) {
- $matches = null;
- if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
- $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
- $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
- }
- }
- return $o;
-}}
-
-if(! function_exists('contact_block')) {
-function contact_block() {
- $o = '';
- $a = get_app();
-
- $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
- if(! $shown)
- $shown = 24;
-
- if((! is_array($a->profile)) || ($a->profile['hide-friends']))
- return $o;
- $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
- intval($a->profile['uid'])
- );
- if(count($r)) {
- $total = intval($r[0]['total']);
- }
- if(! $total) {
- $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
- return $o;
- }
- $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
- intval($a->profile['uid']),
- intval($shown)
- );
- if(count($r)) {
- $o .= '<h4 class="contact-h4">' . sprintf( tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
- foreach($r as $rr) {
- $o .= micropro($rr,true,'mpfriend');
- }
- $o .= '</div><div id="contact-block-end"></div>';
- $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
-
- }
-
- $arr = array('contacts' => $r, 'output' => $o);
-
- call_hooks('contact_block_end', $arr);
- return $o;
-
-}}
-
-if(! function_exists('micropro')) {
-function micropro($contact, $redirect = false, $class = '', $textmode = false) {
-
- if($class)
- $class = ' ' . $class;
-
- $url = $contact['url'];
- $sparkle = '';
-
- if($redirect) {
- $a = get_app();
- $redirect_url = $a->get_baseurl() . '/redir/' . $contact['id'];
- if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) {
- $url = $redirect_url;
- $sparkle = ' sparkle';
- }
- }
- $click = ((x($contact,'click')) ? ' onclick="' . $contact['click'] . '" ' : '');
- if($click)
- $url = '';
- if($textmode) {
- return '<div class="contact-block-textdiv' . $class . '"><a class="contact-block-link' . $class . $sparkle
- . (($click) ? ' fakelink' : '') . '" '
- . (($url) ? ' href="' . $url . '"' : '') . $click
- . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
- . '" >'. $contact['name'] . '</a></div>' . "\r\n";
- }
- else {
- return '<div class="contact-block-div' . $class . '"><a class="contact-block-link' . $class . $sparkle
- . (($click) ? ' fakelink' : '') . '" '
- . (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="'
- . $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
- . '" /></a></div>' . "\r\n";
- }
-}}
-
-
-
-if(! function_exists('search')) {
-function search($s,$id='search-box',$url='/search') {
- $a = get_app();
- $o = '<div id="' . $id . '">';
- $o .= '<form action="' . $a->get_baseurl() . $url . '" method="get" >';
- $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
- $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
- $o .= '</form></div>';
- return $o;
-}}
-
-if(! function_exists('valid_email')) {
-function valid_email($x){
- if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
- return true;
- return false;
-}}
-
-
-if(! function_exists('gravatar_img')) {
-function gravatar_img($email) {
- $size = 175;
- $opt = 'identicon'; // psuedo-random geometric pattern if not found
- $rating = 'pg';
- $hash = md5(trim(strtolower($email)));
-
- $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
- . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
-
- logger('gravatar: ' . $email . ' ' . $url);
- return $url;
-}}
-
-if(! function_exists('aes_decrypt')) {
-function aes_decrypt($val,$ky)
-{
- $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
- for($a=0;$a<strlen($ky);$a++)
- $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
- $mode = MCRYPT_MODE_ECB;
- $enc = MCRYPT_RIJNDAEL_128;
- $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
- return rtrim($dec,(( ord(substr($dec,strlen($dec)-1,1))>=0 and ord(substr($dec, strlen($dec)-1,1))<=16)? chr(ord( substr($dec,strlen($dec)-1,1))):null));
-}}
-
-
-if(! function_exists('aes_encrypt')) {
-function aes_encrypt($val,$ky)
-{
- $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
- for($a=0;$a<strlen($ky);$a++)
- $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
- $mode=MCRYPT_MODE_ECB;
- $enc=MCRYPT_RIJNDAEL_128;
- $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
- return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
-}}
-
-
-/**
- *
- * Function: linkify
- *
- * Replace naked text hyperlink with HTML formatted hyperlink
- *
- */
-
-if(! function_exists('linkify')) {
-function linkify($s) {
- $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
- return($s);
-}}
-
-
-/**
- *
- * Function: smilies
- *
- * Description:
- * Replaces text emoticons with graphical images
- *
- * @Parameter: string $s
- *
- * Returns string
- */
-
-if(! function_exists('smilies')) {
-function smilies($s) {
- $a = get_app();
-
- return str_replace(
- array( '<3', '</3', '<\\3', ':-)', ':)', ';-)', ':-(', ':(', ':-P', ':P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
- array(
- '<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":)" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":P" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
- '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
- ), $s);
-}}
-
-
-/**
- *
- * Function : profile_load
- * @parameter App $a
- * @parameter string $nickname
- * @parameter int $profile
- *
- * Summary: Loads a profile into the page sidebar.
- * The function requires a writeable copy of the main App structure, and the nickname
- * of a registered local account.
- *
- * If the viewer is an authenticated remote viewer, the profile displayed is the
- * one that has been configured for his/her viewing in the Contact manager.
- * Passing a non-zero profile ID can also allow a preview of a selected profile
- * by the owner.
- *
- * Profile information is placed in the App structure for later retrieval.
- * Honours the owner's chosen theme for display.
- *
- */
-
-if(! function_exists('profile_load')) {
-function profile_load(&$a, $nickname, $profile = 0) {
- if(remote_user()) {
- $r = q("SELECT `profile-id` FROM `contact` WHERE `id` = %d LIMIT 1",
- intval($_SESSION['visitor_id']));
- if(count($r))
- $profile = $r[0]['profile-id'];
- }
-
- $r = null;
-
- if($profile) {
- $profile_int = intval($profile);
- $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
- LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
- WHERE `user`.`nickname` = '%s' AND `profile`.`id` = %d LIMIT 1",
- dbesc($nickname),
- intval($profile_int)
- );
- }
- if(! count($r)) {
- $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `user`.* FROM `profile`
- LEFT JOIN `user` ON `profile`.`uid` = `user`.`uid`
- WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 LIMIT 1",
- dbesc($nickname)
- );
- }
-
- if(($r === false) || (! count($r))) {
- notice( t('No profile') . EOL );
- $a->error = 404;
- return;
- }
-
- $a->profile = $r[0];
-
-
- $a->page['title'] = $a->profile['name'] . " @ " . $a->config['sitename'];
- $_SESSION['theme'] = $a->profile['theme'];
-
- if(! (x($a->page,'aside')))
- $a->page['aside'] = '';
-
- $a->page['aside'] .= profile_sidebar($a->profile);
- $a->page['aside'] .= contact_block();
-
- return;
-}}
-
-
-/**
- *
- * Function: profile_sidebar
- *
- * Formats a profile for display in the sidebar.
- * It is very difficult to templatise the HTML completely
- * because of all the conditional logic.
- *
- * @parameter: array $profile
- *
- * Returns HTML string stuitable for sidebar inclusion
- * Exceptions: Returns empty string if passed $profile is wrong type or not populated
- *
- */
-
-
-if(! function_exists('profile_sidebar')) {
-function profile_sidebar($profile) {
-
- $a = get_app();
-
- $o = '';
- $location = '';
- $address = false;
-
- if((! is_array($profile)) && (! count($profile)))
- return $o;
-
- call_hooks('profile_sidebar_enter', $profile);
-
- $fullname = '<div class="fn">' . $profile['name'] . '</div>';
-
- $pdesc = '<div class="title">' . $profile['pdesc'] . '</div>';
-
- $tabs = '';
-
- $photo = '<div id="profile-photo-wrapper"><img class="photo" src="' . $profile['photo'] . '" alt="' . $profile['name'] . '" /></div>';
-
- // don't show connect link to yourself
-
- $connect = (($profile['uid'] != local_user()) ? '<li><a id="dfrn-request-link" href="dfrn_request/' . $profile['nickname'] . '">' . t('Connect') . '</a></li>' : '');
-
- // don't show connect link to authenticated visitors either
-
- if((remote_user()) && ($_SESSION['visitor_visiting'] == $profile['uid']))
- $connect = '';
-
- if((x($profile,'address') == 1)
- || (x($profile,'locality') == 1)
- || (x($profile,'region') == 1)
- || (x($profile,'postal-code') == 1)
- || (x($profile,'country-name') == 1))
- $address = true;
+ if((x($profile,'address') == 1)
+ || (x($profile,'locality') == 1)
+ || (x($profile,'region') == 1)
+ || (x($profile,'postal-code') == 1)
+ || (x($profile,'country-name') == 1))
+ $address = true;
if($address) {
$location .= '<div class="location"><span class="location-label">' . t('Location:') . '</span> <div class="adr">';
}}
-if(! function_exists('register_hook')) {
-function register_hook($hook,$file,$function) {
-
- $r = q("SELECT * FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
- dbesc($hook),
- dbesc($file),
- dbesc($function)
- );
- if(count($r))
- return true;
-
- $r = q("INSERT INTO `hook` (`hook`, `file`, `function`) VALUES ( '%s', '%s', '%s' ) ",
- dbesc($hook),
- dbesc($file),
- dbesc($function)
- );
- return $r;
-}}
-
-if(! function_exists('unregister_hook')) {
-function unregister_hook($hook,$file,$function) {
-
- $r = q("DELETE FROM `hook` WHERE `hook` = '%s' AND `file` = '%s' AND `function` = '%s' LIMIT 1",
- dbesc($hook),
- dbesc($file),
- dbesc($function)
- );
- return $r;
-}}
-
-
-if(! function_exists('load_hooks')) {
-function load_hooks() {
- $a = get_app();
- $a->hooks = array();
- $r = q("SELECT * FROM `hook` WHERE 1");
- if(count($r)) {
- foreach($r as $rr) {
- $a->hooks[] = array($rr['hook'], $rr['file'], $rr['function']);
- }
- }
-}}
-
-
-if(! function_exists('call_hooks')) {
-function call_hooks($name, &$data = null) {
- $a = get_app();
-
- if(count($a->hooks)) {
- foreach($a->hooks as $hook) {
- if($hook[HOOK_HOOK] === $name) {
- @include_once($hook[HOOK_FILE]);
- if(function_exists($hook[HOOK_FUNCTION])) {
- $func = $hook[HOOK_FUNCTION];
- $func($a,$data);
- }
- }
- }
- }
-}}
-
-
-if(! function_exists('day_translate')) {
-function day_translate($s) {
- $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
- array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
- $s);
-
- $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
- array( t('January'), t('February'), t('March'), t('April'), t('May'), t('June'), t('July'), t('August'), t('September'), t('October'), t('November'), t('December')),
- $ret);
-
- return $ret;
-}}
-
if(! function_exists('get_birthdays')) {
function get_birthdays() {
}}
-if(! function_exists('normalise_link')) {
-function normalise_link($url) {
- $ret = str_replace(array('https:','//www.'), array('http:','//'), $url);
- return(rtrim($ret,'/'));
-}}
-
-/**
- *
- * Compare two URLs to see if they are the same, but ignore
- * slight but hopefully insignificant differences such as if one
- * is https and the other isn't, or if one is www.something and
- * the other isn't - and also ignore case differences.
- *
- * Return true if the URLs match, otherwise false.
- *
- */
-
-if(! function_exists('link_compare')) {
-function link_compare($a,$b) {
- if(strcasecmp(normalise_link($a),normalise_link($b)) === 0)
- return true;
- return false;
-}}
-
-
-if(! function_exists('prepare_body')) {
-function prepare_body($item,$attach = false) {
-
- $s = prepare_text($item['body']);
- if(! $attach)
- return $s;
-
- $arr = explode(',',$item['attach']);
- if(count($arr)) {
- $s .= '<div class="body-attach">';
- foreach($arr as $r) {
- $matches = false;
- $icon = '';
- $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
- if($cnt) {
- $icontype = strtolower(substr($matches[3],0,strpos($matches[3],'/')));
- switch($icontype) {
- case 'video':
- case 'audio':
- case 'image':
- case 'text':
- $icon = '<div class="attachtype type-' . $icontype . '"></div>';
- break;
- default:
- $icon = '<div class="attachtype type-unkn"></div>';
- break;
- }
- $title = ((strlen(trim($matches[4]))) ? escape_tags(trim($matches[4])) : escape_tags($matches[1]));
- $title .= ' ' . $matches[2] . ' ' . t('bytes');
-
- $s .= '<a href="' . strip_tags($matches[1]) . '" title="' . $title . '" class="attachlink" target="external-link" >' . $icon . '</a>';
- }
- }
- $s .= '<div class="clear"></div></div>';
- }
- return $s;
-}}
-
-if(! function_exists('prepare_text')) {
-function prepare_text($text) {
-
- require_once('include/bbcode.php');
-
- $s = smilies(bbcode($text));
-
- return $s;
-}}
-
/**
*
* Wrap calls to proc_close(proc_open()) and call hook
return $birthday;
}}
-/**
- * return atom link elements for all of our hubs
- */
-
-if(! function_exists('feed_hublinks')) {
-function feed_hublinks() {
-
- $hub = get_config('system','huburl');
-
- $hubxml = '';
- if(strlen($hub)) {
- $hubs = explode(',', $hub);
- if(count($hubs)) {
- foreach($hubs as $h) {
- $h = trim($h);
- if(! strlen($h))
- continue;
- $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
- }
- }
- }
- return $hubxml;
-}}
-
-/* return atom link elements for salmon endpoints */
-
-if(! function_exists('feed_salmonlinks')) {
-function feed_salmonlinks($nick) {
-
- $a = get_app();
-
- $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
-
- // old style links that status.net still needed as of 12/2010
-
- $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
- $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
- return $salmon;
-}}
-
-if(! function_exists('get_plink')) {
-function get_plink($item) {
- $a = get_app();
- $plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
- . $item['plink'] . '" title="' . t('link to source') . '" target="external-link" class="icon remote-link"></a></div>' : '');
- return $plink;
-}}
-
-if(! function_exists('unamp')) {
-function unamp($s) {
- return str_replace('&', '&', $s);
-}}
-
-
-
-
-if(! function_exists('lang_selector')) {
-function lang_selector() {
- global $lang;
- $o = '<div id="lang-select-icon" class="icon language" title="' . t('Select an alternate language') . '" onclick="openClose(\'language-selector\');" ></div>';
- $o .= '<div id="language-selector" style="display: none;" >';
- $o .= '<form action="" method="post" ><select name="system_language" onchange="this.form.submit();" >';
- $langs = glob('view/*/strings.php');
- if(is_array($langs) && count($langs)) {
- if(! in_array('view/en/strings.php',$langs))
- $langs[] = 'view/en/';
- asort($langs);
- foreach($langs as $l) {
- $ll = substr($l,5);
- $ll = substr($ll,0,strrpos($ll,'/'));
- $selected = (($ll === $lang) ? ' selected="selected" ' : '');
- $o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>';
- }
- }
- $o .= '</select></form></div>';
- return $o;
-}}
-
-
-if(! function_exists('parse_xml_string')) {
-function parse_xml_string($s,$strict = true) {
- if($strict) {
- if(! strstr($s,'<?xml'))
- return false;
- $s2 = substr($s,strpos($s,'<?xml'));
- }
- else
- $s2 = $s;
- libxml_use_internal_errors(true);
-
- $x = @simplexml_load_string($s2);
- if(! $x) {
- logger('libxml: parse: error: ' . $s2, LOGGER_DATA);
- foreach(libxml_get_errors() as $err)
- logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
- libxml_clear_errors();
- }
- return $x;
-}}
-
if(! function_exists('is_site_admin')) {
function is_site_admin() {
$a = get_app();
return false;
}}
-/*
- * parse plugin comment in search of plugin infos.
- * like
- *
- * * Name: Plugin
- * * Description: A plugin which plugs in
- * * Version: 1.2.3
- * * Author: John <profile url>
- * * Author: Jane <email>
- * *
- */
-
-if (! function_exists('get_plugin_info')){
-function get_plugin_info($plugin){
- if (!is_file("addon/$plugin/$plugin.php")) return false;
-
- $f = file_get_contents("addon/$plugin/$plugin.php");
- $r = preg_match("|/\*.*\*/|msU", $f, $m);
-
- $info=Array(
- 'name' => $plugin,
- 'description' => "",
- 'author' => array(),
- 'version' => ""
- );
-
- if ($r){
- $ll = explode("\n", $m[0]);
- foreach( $ll as $l ) {
- $l = trim($l,"\t\n\r */");
- if ($l!=""){
- list($k,$v) = array_map("trim", explode(":",$l,2));
- $k= strtolower($k);
- if ($k=="author"){
- $r=preg_match("|([^<]+)<([^>]+)>|", $v, $m);
- if ($r) {
- $info['author'][] = array('name'=>$m[1], 'link'=>$m[2]);
- } else {
- $info['author'][] = array('name'=>$v);
- }
- } else {
- if (array_key_exists($k,$info)){
- $info[$k]=$v;
- }
- }
-
- }
- }
-
- }
- return $info;
-}}
-
-if(! function_exists('return_bytes')) {
-function return_bytes ($size_str) {
- switch (substr ($size_str, -1))
- {
- case 'M': case 'm': return (int)$size_str * 1048576;
- case 'K': case 'k': return (int)$size_str * 1024;
- case 'G': case 'g': return (int)$size_str * 1073741824;
- default: return $size_str;
- }
-}}
-
-function generate_guid() {
- $found = true;
- do {
- $guid = substr(random_string(),0,16);
- $x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
- dbesc($guid)
- );
- if(! count($x))
- $found = false;
- } while ($found == true );
- return $guid;
-}
-
-
-function pkcs5_pad ($text, $blocksize)
-{
- $pad = $blocksize - (strlen($text) % $blocksize);
- return $text . str_repeat(chr($pad), $pad);
-}
-
-function pkcs5_unpad($text)
-{
- $pad = ord($text{strlen($text)-1});
- if ($pad > strlen($text)) return false;
- if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return false;
- return substr($text, 0, -1 * $pad);
-}
-
if(! function_exists('load_contact_links')) {
function load_contact_links($uid) {
--- /dev/null
+<?php
+
+
+// curl wrapper. If binary flag is true, return binary
+// results.
+
+if(! function_exists('fetch_url')) {
+function fetch_url($url,$binary = false, &$redirects = 0) {
+
+ $a = get_app();
+
+ $ch = curl_init($url);
+ if(($redirects > 8) || (! $ch))
+ return false;
+
+ curl_setopt($ch, CURLOPT_HEADER, true);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
+ curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
+
+ $curl_time = intval(get_config('system','curl_timeout'));
+ curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
+
+ // by default we will allow self-signed certs
+ // but you can override this
+
+ $check_cert = get_config('system','verifyssl');
+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
+
+ $prx = get_config('system','proxy');
+ if(strlen($prx)) {
+ curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
+ curl_setopt($ch, CURLOPT_PROXY, $prx);
+ $prxusr = get_config('system','proxyuser');
+ if(strlen($prxusr))
+ curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
+ }
+ if($binary)
+ curl_setopt($ch, CURLOPT_BINARYTRANSFER,1);
+
+ $a->set_curl_code(0);
+
+ // don't let curl abort the entire application
+ // if it throws any errors.
+
+ $s = @curl_exec($ch);
+
+ $base = $s;
+ $curl_info = curl_getinfo($ch);
+ $http_code = $curl_info['http_code'];
+
+ $header = '';
+
+ // Pull out multiple headers, e.g. proxy and continuation headers
+ // allow for HTTP/2.x without fixing code
+
+ while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
+ $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
+ $header .= $chunk;
+ $base = substr($base,strlen($chunk));
+ }
+
+ if($http_code == 301 || $http_code == 302 || $http_code == 303 || $http_code == 307) {
+ $matches = array();
+ preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
+ $url = trim(array_pop($matches));
+ $url_parsed = @parse_url($url);
+ if (isset($url_parsed)) {
+ $redirects++;
+ return fetch_url($url,$binary,$redirects);
+ }
+ }
+
+ $a->set_curl_code($http_code);
+
+ $body = substr($s,strlen($header));
+
+ $a->set_curl_headers($header);
+
+ curl_close($ch);
+ return($body);
+}}
+
+// post request to $url. $params is an array of post variables.
+
+if(! function_exists('post_url')) {
+function post_url($url,$params, $headers = null, &$redirects = 0) {
+ $a = get_app();
+ $ch = curl_init($url);
+ if(($redirects > 8) || (! $ch))
+ return false;
+
+ curl_setopt($ch, CURLOPT_HEADER, true);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER,true);
+ curl_setopt($ch, CURLOPT_POST,1);
+ curl_setopt($ch, CURLOPT_POSTFIELDS,$params);
+ curl_setopt($ch, CURLOPT_USERAGENT, "Friendika");
+
+ $curl_time = intval(get_config('system','curl_timeout'));
+ curl_setopt($ch, CURLOPT_TIMEOUT, (($curl_time !== false) ? $curl_time : 60));
+
+ if(defined('LIGHTTPD')) {
+ if(!is_array($headers)) {
+ $headers = array('Expect:');
+ } else {
+ if(!in_array('Expect:', $headers)) {
+ array_push($headers, 'Expect:');
+ }
+ }
+ }
+ if($headers)
+ curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+
+ $check_cert = get_config('system','verifyssl');
+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, (($check_cert) ? true : false));
+ $prx = get_config('system','proxy');
+ if(strlen($prx)) {
+ curl_setopt($ch, CURLOPT_HTTPPROXYTUNNEL, 1);
+ curl_setopt($ch, CURLOPT_PROXY, $prx);
+ $prxusr = get_config('system','proxyuser');
+ if(strlen($prxusr))
+ curl_setopt($ch, CURLOPT_PROXYUSERPWD, $prxusr);
+ }
+
+ $a->set_curl_code(0);
+
+ // don't let curl abort the entire application
+ // if it throws any errors.
+
+ $s = @curl_exec($ch);
+
+ $base = $s;
+ $curl_info = curl_getinfo($ch);
+ $http_code = $curl_info['http_code'];
+
+ $header = '';
+
+ // Pull out multiple headers, e.g. proxy and continuation headers
+ // allow for HTTP/2.x without fixing code
+
+ while(preg_match('/^HTTP\/[1-2].+? [1-5][0-9][0-9]/',$base)) {
+ $chunk = substr($base,0,strpos($base,"\r\n\r\n")+4);
+ $header .= $chunk;
+ $base = substr($base,strlen($chunk));
+ }
+
+ if($http_code == 301 || $http_code == 302 || $http_code == 303) {
+ $matches = array();
+ preg_match('/(Location:|URI:)(.*?)\n/', $header, $matches);
+ $url = trim(array_pop($matches));
+ $url_parsed = @parse_url($url);
+ if (isset($url_parsed)) {
+ $redirects++;
+ return post_url($url,$binary,$headers,$redirects);
+ }
+ }
+ $a->set_curl_code($http_code);
+ $body = substr($s,strlen($header));
+
+ $a->set_curl_headers($header);
+
+ curl_close($ch);
+ return($body);
+}}
+
+// Generic XML return
+// Outputs a basic dfrn XML status structure to STDOUT, with a <status> variable
+// of $st and an optional text <message> of $message and terminates the current process.
+
+if(! function_exists('xml_status')) {
+function xml_status($st, $message = '') {
+
+ $xml_message = ((strlen($message)) ? "\t<message>" . xmlify($message) . "</message>\r\n" : '');
+
+ if($st)
+ logger('xml_status returning non_zero: ' . $st . " message=" . $message);
+
+ header( "Content-type: text/xml" );
+ echo '<?xml version="1.0" encoding="UTF-8"?>'."\r\n";
+ echo "<result>\r\n\t<status>$st</status>\r\n$xml_message</result>\r\n";
+ killme();
+}}
+
+
+
+// convert an XML document to a normalised, case-corrected array
+// used by webfinger
+
+if(! function_exists('convert_xml_element_to_array')) {
+function convert_xml_element_to_array($xml_element, &$recursion_depth=0) {
+
+ // If we're getting too deep, bail out
+ if ($recursion_depth > 512) {
+ return(null);
+ }
+
+ if (!is_string($xml_element) &&
+ !is_array($xml_element) &&
+ (get_class($xml_element) == 'SimpleXMLElement')) {
+ $xml_element_copy = $xml_element;
+ $xml_element = get_object_vars($xml_element);
+ }
+
+ if (is_array($xml_element)) {
+ $result_array = array();
+ if (count($xml_element) <= 0) {
+ return (trim(strval($xml_element_copy)));
+ }
+
+ foreach($xml_element as $key=>$value) {
+
+ $recursion_depth++;
+ $result_array[strtolower($key)] =
+ convert_xml_element_to_array($value, $recursion_depth);
+ $recursion_depth--;
+ }
+ if ($recursion_depth == 0) {
+ $temp_array = $result_array;
+ $result_array = array(
+ strtolower($xml_element_copy->getName()) => $temp_array,
+ );
+ }
+
+ return ($result_array);
+
+ } else {
+ return (trim(strval($xml_element)));
+ }
+}}
+
+// Given an email style address, perform webfinger lookup and
+// return the resulting DFRN profile URL, or if no DFRN profile URL
+// is located, returns an OStatus subscription template (prefixed
+// with the string 'stat:' to identify it as on OStatus template).
+// If this isn't an email style address just return $s.
+// Return an empty string if email-style addresses but webfinger fails,
+// or if the resultant personal XRD doesn't contain a supported
+// subscription/friend-request attribute.
+
+if(! function_exists('webfinger_dfrn')) {
+function webfinger_dfrn($s) {
+ if(! strstr($s,'@')) {
+ return $s;
+ }
+ $links = webfinger($s);
+ logger('webfinger_dfrn: ' . $s . ':' . print_r($links,true), LOGGER_DATA);
+ if(count($links)) {
+ foreach($links as $link)
+ if($link['@attributes']['rel'] === NAMESPACE_DFRN)
+ return $link['@attributes']['href'];
+ foreach($links as $link)
+ if($link['@attributes']['rel'] === NAMESPACE_OSTATUSSUB)
+ return 'stat:' . $link['@attributes']['template'];
+ }
+ return '';
+}}
+
+// Given an email style address, perform webfinger lookup and
+// return the array of link attributes from the personal XRD file.
+// On error/failure return an empty array.
+
+
+if(! function_exists('webfinger')) {
+function webfinger($s) {
+ $host = '';
+ if(strstr($s,'@')) {
+ $host = substr($s,strpos($s,'@') + 1);
+ }
+ if(strlen($host)) {
+ $tpl = fetch_lrdd_template($host);
+ logger('webfinger: lrdd template: ' . $tpl);
+ if(strlen($tpl)) {
+ $pxrd = str_replace('{uri}', urlencode('acct:' . $s), $tpl);
+ logger('webfinger: pxrd: ' . $pxrd);
+ $links = fetch_xrd_links($pxrd);
+ if(! count($links)) {
+ // try with double slashes
+ $pxrd = str_replace('{uri}', urlencode('acct://' . $s), $tpl);
+ logger('webfinger: pxrd: ' . $pxrd);
+ $links = fetch_xrd_links($pxrd);
+ }
+ return $links;
+ }
+ }
+ return array();
+}}
+
+if(! function_exists('lrdd')) {
+function lrdd($uri) {
+
+ $a = get_app();
+
+ // default priority is host priority, host-meta first
+
+ $priority = 'host';
+
+ // All we have is an email address. Resource-priority is irrelevant
+ // because our URI isn't directly resolvable.
+
+ if(strstr($uri,'@')) {
+ return(webfinger($uri));
+ }
+
+ // get the host meta file
+
+ $host = @parse_url($uri);
+
+ if($host) {
+ $url = ((x($host,'scheme')) ? $host['scheme'] : 'http') . '://';
+ $url .= $host['host'] . '/.well-known/host-meta' ;
+ }
+ else
+ return array();
+
+ logger('lrdd: constructed url: ' . $url);
+
+ $xml = fetch_url($url);
+ $headers = $a->get_curl_headers();
+
+ if (! $xml)
+ return array();
+
+ logger('lrdd: host_meta: ' . $xml, LOGGER_DATA);
+
+ $h = parse_xml_string($xml);
+ if(! $h)
+ return array();
+
+ $arr = convert_xml_element_to_array($h);
+
+ if(isset($arr['xrd']['property'])) {
+ $property = $arr['crd']['property'];
+ if(! isset($property[0]))
+ $properties = array($property);
+ else
+ $properties = $property;
+ foreach($properties as $prop)
+ if((string) $prop['@attributes'] === 'http://lrdd.net/priority/resource')
+ $priority = 'resource';
+ }
+
+ // save the links in case we need them
+
+ $links = array();
+
+ if(isset($arr['xrd']['link'])) {
+ $link = $arr['xrd']['link'];
+ if(! isset($link[0]))
+ $links = array($link);
+ else
+ $links = $link;
+ }
+
+ // do we have a template or href?
+
+ if(count($links)) {
+ foreach($links as $link) {
+ if($link['@attributes']['rel'] && attribute_contains($link['@attributes']['rel'],'lrdd')) {
+ if(x($link['@attributes'],'template'))
+ $tpl = $link['@attributes']['template'];
+ elseif(x($link['@attributes'],'href'))
+ $href = $link['@attributes']['href'];
+ }
+ }
+ }
+
+ if((! isset($tpl)) || (! strpos($tpl,'{uri}')))
+ $tpl = '';
+
+ if($priority === 'host') {
+ if(strlen($tpl))
+ $pxrd = str_replace('{uri}', urlencode($uri), $tpl);
+ elseif(isset($href))
+ $pxrd = $href;
+ if(isset($pxrd)) {
+ logger('lrdd: (host priority) pxrd: ' . $pxrd);
+ $links = fetch_xrd_links($pxrd);
+ return $links;
+ }
+
+ $lines = explode("\n",$headers);
+ if(count($lines)) {
+ foreach($lines as $line) {
+ if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
+ return(fetch_xrd_links($matches[1]));
+ break;
+ }
+ }
+ }
+ }
+
+
+ // priority 'resource'
+
+
+ $html = fetch_url($uri);
+ $headers = $a->get_curl_headers();
+ logger('lrdd: headers=' . $headers, LOGGER_DEBUG);
+
+ // don't try and parse raw xml as html
+ if(! strstr($html,'<?xml')) {
+ require_once('library/HTML5/Parser.php');
+ $dom = @HTML5_Parser::parse($html);
+
+ if($dom) {
+ $items = $dom->getElementsByTagName('link');
+ foreach($items as $item) {
+ $x = $item->getAttribute('rel');
+ if($x == "lrdd") {
+ $pagelink = $item->getAttribute('href');
+ break;
+ }
+ }
+ }
+ }
+
+ if(isset($pagelink))
+ return(fetch_xrd_links($pagelink));
+
+ // next look in HTTP headers
+
+ $lines = explode("\n",$headers);
+ if(count($lines)) {
+ foreach($lines as $line) {
+ // TODO alter the following regex to support multiple relations (space separated)
+ if((stristr($line,'link:')) && preg_match('/<([^>].*)>.*rel\=[\'\"]lrdd[\'\"]/',$line,$matches)) {
+ $pagelink = $matches[1];
+ break;
+ }
+ // don't try and run feeds through the html5 parser
+ if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml'))))
+ return array();
+ if(stristr($html,'<rss') || stristr($html,'<feed'))
+ return array();
+ }
+ }
+
+ if(isset($pagelink))
+ return(fetch_xrd_links($pagelink));
+
+ // If we haven't found any links, return the host xrd links (which we have already fetched)
+
+ if(isset($links))
+ return $links;
+
+ return array();
+
+}}
+
+
+
+// Given a host name, locate the LRDD template from that
+// host. Returns the LRDD template or an empty string on
+// error/failure.
+
+if(! function_exists('fetch_lrdd_template')) {
+function fetch_lrdd_template($host) {
+ $tpl = '';
+
+ $url1 = 'https://' . $host . '/.well-known/host-meta' ;
+ $url2 = 'http://' . $host . '/.well-known/host-meta' ;
+ $links = fetch_xrd_links($url1);
+ logger('fetch_lrdd_template from: ' . $url1);
+ logger('template (https): ' . print_r($links,true));
+ if(! count($links)) {
+ logger('fetch_lrdd_template from: ' . $url2);
+ $links = fetch_xrd_links($url2);
+ logger('template (http): ' . print_r($links,true));
+ }
+ if(count($links)) {
+ foreach($links as $link)
+ if($link['@attributes']['rel'] && $link['@attributes']['rel'] === 'lrdd')
+ $tpl = $link['@attributes']['template'];
+ }
+ if(! strpos($tpl,'{uri}'))
+ $tpl = '';
+ return $tpl;
+}}
+
+// Given a URL, retrieve the page as an XRD document.
+// Return an array of links.
+// on error/failure return empty array.
+
+if(! function_exists('fetch_xrd_links')) {
+function fetch_xrd_links($url) {
+
+
+ $xml = fetch_url($url);
+
+ logger('fetch_xrd_links: ' . $xml, LOGGER_DATA);
+
+ if ((! $xml) || (! stristr($xml,'<xrd')))
+ return array();
+
+ $h = parse_xml_string($xml);
+ if(! $h)
+ return array();
+
+ $arr = convert_xml_element_to_array($h);
+
+ $links = array();
+
+ if(isset($arr['xrd']['link'])) {
+ $link = $arr['xrd']['link'];
+ if(! isset($link[0]))
+ $links = array($link);
+ else
+ $links = $link;
+ }
+ if(isset($arr['xrd']['alias'])) {
+ $alias = $arr['xrd']['alias'];
+ if(! isset($alias[0]))
+ $aliases = array($alias);
+ else
+ $aliases = $alias;
+ foreach($aliases as $alias) {
+ $links[]['@attributes'] = array('rel' => 'alias' , 'href' => $alias);
+ }
+ }
+
+ logger('fetch_xrd_links: ' . print_r($links,true), LOGGER_DATA);
+
+ return $links;
+
+}}
+
+
+// Take a URL from the wild, prepend http:// if necessary
+// and check DNS to see if it's real
+// return true if it's OK, false if something is wrong with it
+
+if(! function_exists('validate_url')) {
+function validate_url(&$url) {
+ if(substr($url,0,4) != 'http')
+ $url = 'http://' . $url;
+ $h = @parse_url($url);
+
+ if(($h) && (dns_get_record($h['host'], DNS_A + DNS_CNAME + DNS_PTR))) {
+ return true;
+ }
+ return false;
+}}
+
+// checks that email is an actual resolvable internet address
+
+if(! function_exists('validate_email')) {
+function validate_email($addr) {
+
+ if(! strpos($addr,'@'))
+ return false;
+ $h = substr($addr,strpos($addr,'@') + 1);
+
+ if(($h) && (dns_get_record($h, DNS_A + DNS_CNAME + DNS_PTR + DNS_MX))) {
+ return true;
+ }
+ return false;
+}}
+
+// Check $url against our list of allowed sites,
+// wildcards allowed. If allowed_sites is unset return true;
+// If url is allowed, return true.
+// otherwise, return false
+
+if(! function_exists('allowed_url')) {
+function allowed_url($url) {
+
+ $h = @parse_url($url);
+
+ if(! $h) {
+ return false;
+ }
+
+ $str_allowed = get_config('system','allowed_sites');
+ if(! $str_allowed)
+ return true;
+
+ $found = false;
+
+ $host = strtolower($h['host']);
+
+ // always allow our own site
+
+ if($host == strtolower($_SERVER['SERVER_NAME']))
+ return true;
+
+ $fnmatch = function_exists('fnmatch');
+ $allowed = explode(',',$str_allowed);
+
+ if(count($allowed)) {
+ foreach($allowed as $a) {
+ $pat = strtolower(trim($a));
+ if(($fnmatch && fnmatch($pat,$host)) || ($pat == $host)) {
+ $found = true;
+ break;
+ }
+ }
+ }
+ return $found;
+}}
+
+// check if email address is allowed to register here.
+// Compare against our list (wildcards allowed).
+// Returns false if not allowed, true if allowed or if
+// allowed list is not configured.
+
+if(! function_exists('allowed_email')) {
+function allowed_email($email) {
+
+
+ $domain = strtolower(substr($email,strpos($email,'@') + 1));
+ if(! $domain)
+ return false;
+
+ $str_allowed = get_config('system','allowed_email');
+ if(! $str_allowed)
+ return true;
+
+ $found = false;
+
+ $fnmatch = function_exists('fnmatch');
+ $allowed = explode(',',$str_allowed);
+
+ if(count($allowed)) {
+ foreach($allowed as $a) {
+ $pat = strtolower(trim($a));
+ if(($fnmatch && fnmatch($pat,$domain)) || ($pat == $domain)) {
+ $found = true;
+ break;
+ }
+ }
+ }
+ return $found;
+}}
+
+
+if(! function_exists('gravatar_img')) {
+function gravatar_img($email) {
+ $size = 175;
+ $opt = 'identicon'; // psuedo-random geometric pattern if not found
+ $rating = 'pg';
+ $hash = md5(trim(strtolower($email)));
+
+ $url = 'http://www.gravatar.com/avatar/' . $hash . '.jpg'
+ . '?s=' . $size . '&d=' . $opt . '&r=' . $rating;
+
+ logger('gravatar: ' . $email . ' ' . $url);
+ return $url;
+}}
+
+
+if(! function_exists('parse_xml_string')) {
+function parse_xml_string($s,$strict = true) {
+ if($strict) {
+ if(! strstr($s,'<?xml'))
+ return false;
+ $s2 = substr($s,strpos($s,'<?xml'));
+ }
+ else
+ $s2 = $s;
+ libxml_use_internal_errors(true);
+
+ $x = @simplexml_load_string($s2);
+ if(! $x) {
+ logger('libxml: parse: error: ' . $s2, LOGGER_DATA);
+ foreach(libxml_get_errors() as $err)
+ logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
+ libxml_clear_errors();
+ }
+ return $x;
+}}
--- /dev/null
+<?php
+
+// This is our template processor.
+// $s is the string requiring macro substitution.
+// $r is an array of key value pairs (search => replace)
+// returns substituted string.
+// WARNING: this is pretty basic, and doesn't properly handle search strings that are substrings of each other.
+// For instance if 'test' => "foo" and 'testing' => "bar", testing could become either bar or fooing,
+// depending on the order in which they were declared in the array.
+
+require_once("include/template_processor.php");
+
+if(! function_exists('replace_macros')) {
+function replace_macros($s,$r) {
+ global $t;
+
+ return $t->replace($s,$r);
+
+}}
+
+
+// random hash, 64 chars
+
+if(! function_exists('random_string')) {
+function random_string() {
+ return(hash('sha256',uniqid(rand(),true)));
+}}
+
+/**
+ * This is our primary input filter.
+ *
+ * The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
+ * that had an XSS attack vector due to stripping the high-bit on an 8-bit character
+ * after cleansing, and angle chars with the high bit set could get through as markup.
+ *
+ * This is now disabled because it was interfering with some legitimate unicode sequences
+ * and hopefully there aren't a lot of those browsers left.
+ *
+ * Use this on any text input where angle chars are not valid or permitted
+ * They will be replaced with safer brackets. This may be filtered further
+ * if these are not allowed either.
+ *
+ */
+
+if(! function_exists('notags')) {
+function notags($string) {
+
+ return(str_replace(array("<",">"), array('[',']'), $string));
+
+// High-bit filter no longer used
+// return(str_replace(array("<",">","\xBA","\xBC","\xBE"), array('[',']','','',''), $string));
+}}
+
+// use this on "body" or "content" input where angle chars shouldn't be removed,
+// and allow them to be safely displayed.
+
+if(! function_exists('escape_tags')) {
+function escape_tags($string) {
+
+ return(htmlspecialchars($string));
+}}
+
+
+// generate a string that's random, but usually pronounceable.
+// used to generate initial passwords
+
+if(! function_exists('autoname')) {
+function autoname($len) {
+
+ $vowels = array('a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u');
+ if(mt_rand(0,5) == 4)
+ $vowels[] = 'y';
+
+ $cons = array(
+ 'b','bl','br',
+ 'c','ch','cl','cr',
+ 'd','dr',
+ 'f','fl','fr',
+ 'g','gh','gl','gr',
+ 'h',
+ 'j',
+ 'k','kh','kl','kr',
+ 'l',
+ 'm',
+ 'n',
+ 'p','ph','pl','pr',
+ 'qu',
+ 'r','rh',
+ 's','sc','sh','sm','sp','st',
+ 't','th','tr',
+ 'v',
+ 'w','wh',
+ 'x',
+ 'z','zh'
+ );
+
+ $midcons = array('ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp',
+ 'nd','ng','nk','nt','rn','rp','rt');
+
+ $noend = array('bl', 'br', 'cl','cr','dr','fl','fr','gl','gr',
+ 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh');
+
+ $start = mt_rand(0,2);
+ if($start == 0)
+ $table = $vowels;
+ else
+ $table = $cons;
+
+ $word = '';
+
+ for ($x = 0; $x < $len; $x ++) {
+ $r = mt_rand(0,count($table) - 1);
+ $word .= $table[$r];
+
+ if($table == $vowels)
+ $table = array_merge($cons,$midcons);
+ else
+ $table = $vowels;
+
+ }
+
+ $word = substr($word,0,$len);
+
+ foreach($noend as $noe) {
+ if((strlen($word) > 2) && (substr($word,-2) == $noe)) {
+ $word = substr($word,0,-1);
+ break;
+ }
+ }
+ if(substr($word,-1) == 'q')
+ $word = substr($word,0,-1);
+ return $word;
+}}
+
+
+// escape text ($str) for XML transport
+// returns escaped text.
+
+if(! function_exists('xmlify')) {
+function xmlify($str) {
+ $buffer = '';
+
+ for($x = 0; $x < strlen($str); $x ++) {
+ $char = $str[$x];
+
+ switch( $char ) {
+
+ case "\r" :
+ break;
+ case "&" :
+ $buffer .= '&';
+ break;
+ case "'" :
+ $buffer .= ''';
+ break;
+ case "\"" :
+ $buffer .= '"';
+ break;
+ case '<' :
+ $buffer .= '<';
+ break;
+ case '>' :
+ $buffer .= '>';
+ break;
+ case "\n" :
+ $buffer .= "\n";
+ break;
+ default :
+ $buffer .= $char;
+ break;
+ }
+ }
+ $buffer = trim($buffer);
+ return($buffer);
+}}
+
+// undo an xmlify
+// pass xml escaped text ($s), returns unescaped text
+
+if(! function_exists('unxmlify')) {
+function unxmlify($s) {
+ $ret = str_replace('&','&', $s);
+ $ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
+ return $ret;
+}}
+
+// convenience wrapper, reverse the operation "bin2hex"
+
+if(! function_exists('hex2bin')) {
+function hex2bin($s) {
+ if(! ctype_xdigit($s)) {
+ logger('hex2bin: illegal input: ' . print_r(debug_backtrace(), true));
+ return($s);
+ }
+
+ return(pack("H*",$s));
+}}
+
+// Automatic pagination.
+// To use, get the count of total items.
+// Then call $a->set_pager_total($number_items);
+// Optionally call $a->set_pager_itemspage($n) to the number of items to display on each page
+// Then call paginate($a) after the end of the display loop to insert the pager block on the page
+// (assuming there are enough items to paginate).
+// When using with SQL, the setting LIMIT %d, %d => $a->pager['start'],$a->pager['itemspage']
+// will limit the results to the correct items for the current page.
+// The actual page handling is then accomplished at the application layer.
+
+if(! function_exists('paginate')) {
+function paginate(&$a) {
+ $o = '';
+ $stripped = preg_replace('/(&page=[0-9]*)/','',$a->query_string);
+ $stripped = str_replace('q=','',$stripped);
+ $stripped = trim($stripped,'/');
+ $pagenum = $a->pager['page'];
+ $url = $a->get_baseurl() . '/' . $stripped;
+
+
+ if($a->pager['total'] > $a->pager['itemspage']) {
+ $o .= '<div class="pager">';
+ if($a->pager['page'] != 1)
+ $o .= '<span class="pager_prev">'."<a href=\"$url".'&page='.($a->pager['page'] - 1).'">' . t('prev') . '</a></span> ';
+
+ $o .= "<span class=\"pager_first\"><a href=\"$url"."&page=1\">" . t('first') . "</a></span> ";
+
+ $numpages = $a->pager['total'] / $a->pager['itemspage'];
+
+ $numstart = 1;
+ $numstop = $numpages;
+
+ if($numpages > 14) {
+ $numstart = (($pagenum > 7) ? ($pagenum - 7) : 1);
+ $numstop = (($pagenum > ($numpages - 7)) ? $numpages : ($numstart + 14));
+ }
+
+ for($i = $numstart; $i <= $numstop; $i++){
+ if($i == $a->pager['page'])
+ $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
+ else
+ $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
+ $o .= '</span> ';
+ }
+
+ if(($a->pager['total'] % $a->pager['itemspage']) != 0) {
+ if($i == $a->pager['page'])
+ $o .= '<span class="pager_current">'.(($i < 10) ? ' '.$i : $i);
+ else
+ $o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? ' '.$i : $i)."</a>";
+ $o .= '</span> ';
+ }
+
+ $lastpage = (($numpages > intval($numpages)) ? intval($numpages)+1 : $numpages);
+ $o .= "<span class=\"pager_last\"><a href=\"$url"."&page=$lastpage\">" . t('last') . "</a></span> ";
+
+ if(($a->pager['total'] - ($a->pager['itemspage'] * $a->pager['page'])) > 0)
+ $o .= '<span class="pager_next">'."<a href=\"$url"."&page=".($a->pager['page'] + 1).'">' . t('next') . '</a></span>';
+ $o .= '</div>'."\r\n";
+ }
+ return $o;
+}}
+
+// Turn user/group ACLs stored as angle bracketed text into arrays
+
+if(! function_exists('expand_acl')) {
+function expand_acl($s) {
+ // turn string array of angle-bracketed elements into numeric array
+ // e.g. "<1><2><3>" => array(1,2,3);
+ $ret = array();
+
+ if(strlen($s)) {
+ $t = str_replace('<','',$s);
+ $a = explode('>',$t);
+ foreach($a as $aa) {
+ if(intval($aa))
+ $ret[] = intval($aa);
+ }
+ }
+ return $ret;
+}}
+
+// Used to wrap ACL elements in angle brackets for storage
+
+if(! function_exists('sanitise_acl')) {
+function sanitise_acl(&$item) {
+ if(intval($item))
+ $item = '<' . intval(notags(trim($item))) . '>';
+ else
+ unset($item);
+}}
+
+
+// Convert an ACL array to a storable string
+
+if(! function_exists('perms2str')) {
+function perms2str($p) {
+ $ret = '';
+ $tmp = $p;
+ if(is_array($tmp)) {
+ array_walk($tmp,'sanitise_acl');
+ $ret = implode('',$tmp);
+ }
+ return $ret;
+}}
+
+// generate a guaranteed unique (for this domain) item ID for ATOM
+// safe from birthday paradox
+
+if(! function_exists('item_new_uri')) {
+function item_new_uri($hostname,$uid) {
+
+ do {
+ $dups = false;
+ $hash = random_string();
+
+ $uri = "urn:X-dfrn:" . $hostname . ':' . $uid . ':' . $hash;
+
+ $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
+ dbesc($uri));
+ if(count($r))
+ $dups = true;
+ } while($dups == true);
+ return $uri;
+}}
+
+// Generate a guaranteed unique photo ID.
+// safe from birthday paradox
+
+if(! function_exists('photo_new_resource')) {
+function photo_new_resource() {
+
+ do {
+ $found = false;
+ $resource = hash('md5',uniqid(mt_rand(),true));
+ $r = q("SELECT `id` FROM `photo` WHERE `resource-id` = '%s' LIMIT 1",
+ dbesc($resource)
+ );
+ if(count($r))
+ $found = true;
+ } while($found == true);
+ return $resource;
+}}
+
+
+// wrapper to load a view template, checking for alternate
+// languages before falling back to the default
+
+// obsolete, deprecated.
+
+if(! function_exists('load_view_file')) {
+function load_view_file($s) {
+ global $lang, $a;
+ if(! isset($lang))
+ $lang = 'en';
+ $b = basename($s);
+ $d = dirname($s);
+ if(file_exists("$d/$lang/$b"))
+ return file_get_contents("$d/$lang/$b");
+
+ $theme = current_theme();
+
+ if(file_exists("$d/theme/$theme/$b"))
+ return file_get_contents("$d/theme/$theme/$b");
+
+ return file_get_contents($s);
+}}
+
+if(! function_exists('get_intltext_template')) {
+function get_intltext_template($s) {
+ global $lang;
+
+ if(! isset($lang))
+ $lang = 'en';
+
+ if(file_exists("view/$lang/$s"))
+ return file_get_contents("view/$lang/$s");
+ elseif(file_exists("view/en/$s"))
+ return file_get_contents("view/en/$s");
+ else
+ return file_get_contents("view/$s");
+}}
+
+if(! function_exists('get_markup_template')) {
+function get_markup_template($s) {
+
+ $theme = current_theme();
+
+ if(file_exists("view/theme/$theme/$s"))
+ return file_get_contents("view/theme/$theme/$s");
+ else
+ return file_get_contents("view/$s");
+
+}}
+
+
+
+
+
+// for html,xml parsing - let's say you've got
+// an attribute foobar="class1 class2 class3"
+// and you want to find out if it contains 'class3'.
+// you can't use a normal sub string search because you
+// might match 'notclass3' and a regex to do the job is
+// possible but a bit complicated.
+// pass the attribute string as $attr and the attribute you
+// are looking for as $s - returns true if found, otherwise false
+
+if(! function_exists('attribute_contains')) {
+function attribute_contains($attr,$s) {
+ $a = explode(' ', $attr);
+ if(count($a) && in_array($s,$a))
+ return true;
+ return false;
+}}
+
+if(! function_exists('logger')) {
+function logger($msg,$level = 0) {
+ $debugging = get_config('system','debugging');
+ $loglevel = intval(get_config('system','loglevel'));
+ $logfile = get_config('system','logfile');
+
+ if((! $debugging) || (! $logfile) || ($level > $loglevel))
+ return;
+
+ @file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $msg . "\n", FILE_APPEND);
+ return;
+}}
+
+
+if(! function_exists('activity_match')) {
+function activity_match($haystack,$needle) {
+ if(($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle,NAMESPACE_ACTIVITY_SCHEMA)))
+ return true;
+ return false;
+}}
+
+
+// Pull out all #hashtags and @person tags from $s;
+// We also get @person@domain.com - which would make
+// the regex quite complicated as tags can also
+// end a sentence. So we'll run through our results
+// and strip the period from any tags which end with one.
+// Returns array of tags found, or empty array.
+
+
+if(! function_exists('get_tags')) {
+function get_tags($s) {
+ $ret = array();
+
+ // ignore anything in a code block
+
+ $s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
+
+ // Match full names against @tags including the space between first and last
+ // We will look these up afterward to see if they are full names or not recognisable.
+
+ if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
+ foreach($match[1] as $mtch) {
+ if(strstr($mtch,"]")) {
+ // we might be inside a bbcode color tag - leave it alone
+ continue;
+ }
+ if(substr($mtch,-1,1) === '.')
+ $ret[] = substr($mtch,0,-1);
+ else
+ $ret[] = $mtch;
+ }
+ }
+
+ // Otherwise pull out single word tags. These can be @nickname, @first_last
+ // and #hash tags.
+
+ if(preg_match_all('/([@#][^ \x0D\x0A,:?]+)([ \x0D\x0A,:?]|$)/',$s,$match)) {
+ foreach($match[1] as $mtch) {
+ if(strstr($mtch,"]")) {
+ // we might be inside a bbcode color tag - leave it alone
+ continue;
+ }
+ // ignore strictly numeric tags like #1
+ if((strpos($mtch,'#') === 0) && ctype_digit(substr($mtch,1)))
+ continue;
+ if(substr($mtch,-1,1) === '.')
+ $ret[] = substr($mtch,0,-1);
+ else
+ $ret[] = $mtch;
+ }
+ }
+ return $ret;
+}}
+
+
+// quick and dirty quoted_printable encoding
+
+if(! function_exists('qp')) {
+function qp($s) {
+return str_replace ("%","=",rawurlencode($s));
+}}
+
+
+
+if(! function_exists('get_mentions')) {
+function get_mentions($item) {
+ $o = '';
+ if(! strlen($item['tag']))
+ return $o;
+
+ $arr = explode(',',$item['tag']);
+ foreach($arr as $x) {
+ $matches = null;
+ if(preg_match('/@\[url=([^\]]*)\]/',$x,$matches)) {
+ $o .= "\t\t" . '<link rel="mentioned" href="' . $matches[1] . '" />' . "\r\n";
+ $o .= "\t\t" . '<link rel="ostatus:attention" href="' . $matches[1] . '" />' . "\r\n";
+ }
+ }
+ return $o;
+}}
+
+if(! function_exists('contact_block')) {
+function contact_block() {
+ $o = '';
+ $a = get_app();
+
+ $shown = get_pconfig($a->profile['uid'],'system','display_friend_count');
+ if(! $shown)
+ $shown = 24;
+
+ if((! is_array($a->profile)) || ($a->profile['hide-friends']))
+ return $o;
+ $r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0",
+ intval($a->profile['uid'])
+ );
+ if(count($r)) {
+ $total = intval($r[0]['total']);
+ }
+ if(! $total) {
+ $o .= '<h4 class="contact-h4">' . t('No contacts') . '</h4>';
+ return $o;
+ }
+ $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 ORDER BY RAND() LIMIT %d",
+ intval($a->profile['uid']),
+ intval($shown)
+ );
+ if(count($r)) {
+ $o .= '<h4 class="contact-h4">' . sprintf( tt('%d Contact','%d Contacts', $total),$total) . '</h4><div id="contact-block">';
+ foreach($r as $rr) {
+ $o .= micropro($rr,true,'mpfriend');
+ }
+ $o .= '</div><div id="contact-block-end"></div>';
+ $o .= '<div id="viewcontacts"><a id="viewcontacts-link" href="viewcontacts/' . $a->profile['nickname'] . '">' . t('View Contacts') . '</a></div>';
+
+ }
+
+ $arr = array('contacts' => $r, 'output' => $o);
+
+ call_hooks('contact_block_end', $arr);
+ return $o;
+
+}}
+
+if(! function_exists('micropro')) {
+function micropro($contact, $redirect = false, $class = '', $textmode = false) {
+
+ if($class)
+ $class = ' ' . $class;
+
+ $url = $contact['url'];
+ $sparkle = '';
+
+ if($redirect) {
+ $a = get_app();
+ $redirect_url = $a->get_baseurl() . '/redir/' . $contact['id'];
+ if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) {
+ $url = $redirect_url;
+ $sparkle = ' sparkle';
+ }
+ }
+ $click = ((x($contact,'click')) ? ' onclick="' . $contact['click'] . '" ' : '');
+ if($click)
+ $url = '';
+ if($textmode) {
+ return '<div class="contact-block-textdiv' . $class . '"><a class="contact-block-link' . $class . $sparkle
+ . (($click) ? ' fakelink' : '') . '" '
+ . (($url) ? ' href="' . $url . '"' : '') . $click
+ . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
+ . '" >'. $contact['name'] . '</a></div>' . "\r\n";
+ }
+ else {
+ return '<div class="contact-block-div' . $class . '"><a class="contact-block-link' . $class . $sparkle
+ . (($click) ? ' fakelink' : '') . '" '
+ . (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="'
+ . $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
+ . '" /></a></div>' . "\r\n";
+ }
+}}
+
+
+
+if(! function_exists('search')) {
+function search($s,$id='search-box',$url='/search') {
+ $a = get_app();
+ $o = '<div id="' . $id . '">';
+ $o .= '<form action="' . $a->get_baseurl() . $url . '" method="get" >';
+ $o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
+ $o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
+ $o .= '</form></div>';
+ return $o;
+}}
+
+if(! function_exists('valid_email')) {
+function valid_email($x){
+ if(preg_match('/^[_a-zA-Z0-9-]+(\.[_a-zA-Z0-9-]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
+ return true;
+ return false;
+}}
+
+
+if(! function_exists('aes_decrypt')) {
+function aes_decrypt($val,$ky)
+{
+ $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+ for($a=0;$a<strlen($ky);$a++)
+ $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
+ $mode = MCRYPT_MODE_ECB;
+ $enc = MCRYPT_RIJNDAEL_128;
+ $dec = @mcrypt_decrypt($enc, $key, $val, $mode, @mcrypt_create_iv( @mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM ) );
+ return rtrim($dec,(( ord(substr($dec,strlen($dec)-1,1))>=0 and ord(substr($dec, strlen($dec)-1,1))<=16)? chr(ord( substr($dec,strlen($dec)-1,1))):null));
+}}
+
+
+if(! function_exists('aes_encrypt')) {
+function aes_encrypt($val,$ky)
+{
+ $key="\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0";
+ for($a=0;$a<strlen($ky);$a++)
+ $key[$a%16]=chr(ord($key[$a%16]) ^ ord($ky[$a]));
+ $mode=MCRYPT_MODE_ECB;
+ $enc=MCRYPT_RIJNDAEL_128;
+ $val=str_pad($val, (16*(floor(strlen($val) / 16)+(strlen($val) % 16==0?2:1))), chr(16-(strlen($val) % 16)));
+ return mcrypt_encrypt($enc, $key, $val, $mode, mcrypt_create_iv( mcrypt_get_iv_size($enc, $mode), MCRYPT_DEV_URANDOM));
+}}
+
+
+/**
+ *
+ * Function: linkify
+ *
+ * Replace naked text hyperlink with HTML formatted hyperlink
+ *
+ */
+
+if(! function_exists('linkify')) {
+function linkify($s) {
+ $s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
+ return($s);
+}}
+
+
+/**
+ *
+ * Function: smilies
+ *
+ * Description:
+ * Replaces text emoticons with graphical images
+ *
+ * @Parameter: string $s
+ *
+ * Returns string
+ */
+
+if(! function_exists('smilies')) {
+function smilies($s) {
+ $a = get_app();
+
+ return str_replace(
+ array( '<3', '</3', '<\\3', ':-)', ':)', ';-)', ':-(', ':(', ':-P', ':P', ':-"', ':-x', ':-X', ':-D', '8-|', '8-O'),
+ array(
+ '<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="</3" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-brokenheart.gif" alt="<\\3" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":-)" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-smile.gif" alt=":)" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-wink.gif" alt=";-)" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":(" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":P" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-\"" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-x" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-kiss.gif" alt=":-X" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-laughing.gif" alt=":-D" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-|" />',
+ '<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />'
+ ), $s);
+}}
+
+
+
+if(! function_exists('day_translate')) {
+function day_translate($s) {
+ $ret = str_replace(array('Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'),
+ array( t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')),
+ $s);
+
+ $ret = str_replace(array('January','February','March','April','May','June','July','August','September','October','November','December'),
+ array( t('January'), t('February'), t('March'), t('April'), t('May'), t('June'), t('July'), t('August'), t('September'), t('October'), t('November'), t('December')),
+ $ret);
+
+ return $ret;
+}}
+
+
+if(! function_exists('normalise_link')) {
+function normalise_link($url) {
+ $ret = str_replace(array('https:','//www.'), array('http:','//'), $url);
+ return(rtrim($ret,'/'));
+}}
+
+/**
+ *
+ * Compare two URLs to see if they are the same, but ignore
+ * slight but hopefully insignificant differences such as if one
+ * is https and the other isn't, or if one is www.something and
+ * the other isn't - and also ignore case differences.
+ *
+ * Return true if the URLs match, otherwise false.
+ *
+ */
+
+if(! function_exists('link_compare')) {
+function link_compare($a,$b) {
+ if(strcasecmp(normalise_link($a),normalise_link($b)) === 0)
+ return true;
+ return false;
+}}
+
+
+if(! function_exists('prepare_body')) {
+function prepare_body($item,$attach = false) {
+
+ $s = prepare_text($item['body']);
+ if(! $attach)
+ return $s;
+
+ $arr = explode(',',$item['attach']);
+ if(count($arr)) {
+ $s .= '<div class="body-attach">';
+ foreach($arr as $r) {
+ $matches = false;
+ $icon = '';
+ $cnt = preg_match('|\[attach\]href=\"(.*?)\" size=\"(.*?)\" type=\"(.*?)\" title=\"(.*?)\"\[\/attach\]|',$r,$matches);
+ if($cnt) {
+ $icontype = strtolower(substr($matches[3],0,strpos($matches[3],'/')));
+ switch($icontype) {
+ case 'video':
+ case 'audio':
+ case 'image':
+ case 'text':
+ $icon = '<div class="attachtype type-' . $icontype . '"></div>';
+ break;
+ default:
+ $icon = '<div class="attachtype type-unkn"></div>';
+ break;
+ }
+ $title = ((strlen(trim($matches[4]))) ? escape_tags(trim($matches[4])) : escape_tags($matches[1]));
+ $title .= ' ' . $matches[2] . ' ' . t('bytes');
+
+ $s .= '<a href="' . strip_tags($matches[1]) . '" title="' . $title . '" class="attachlink" target="external-link" >' . $icon . '</a>';
+ }
+ }
+ $s .= '<div class="clear"></div></div>';
+ }
+ return $s;
+}}
+
+if(! function_exists('prepare_text')) {
+function prepare_text($text) {
+
+ require_once('include/bbcode.php');
+
+ $s = smilies(bbcode($text));
+
+ return $s;
+}}
+
+
+/**
+ * return atom link elements for all of our hubs
+ */
+
+if(! function_exists('feed_hublinks')) {
+function feed_hublinks() {
+
+ $hub = get_config('system','huburl');
+
+ $hubxml = '';
+ if(strlen($hub)) {
+ $hubs = explode(',', $hub);
+ if(count($hubs)) {
+ foreach($hubs as $h) {
+ $h = trim($h);
+ if(! strlen($h))
+ continue;
+ $hubxml .= '<link rel="hub" href="' . xmlify($h) . '" />' . "\n" ;
+ }
+ }
+ }
+ return $hubxml;
+}}
+
+/* return atom link elements for salmon endpoints */
+
+if(! function_exists('feed_salmonlinks')) {
+function feed_salmonlinks($nick) {
+
+ $a = get_app();
+
+ $salmon = '<link rel="salmon" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
+
+ // old style links that status.net still needed as of 12/2010
+
+ $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-replies" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
+ $salmon .= ' <link rel="http://salmon-protocol.org/ns/salmon-mention" href="' . xmlify($a->get_baseurl() . '/salmon/' . $nick) . '" />' . "\n" ;
+ return $salmon;
+}}
+
+if(! function_exists('get_plink')) {
+function get_plink($item) {
+ $a = get_app();
+ $plink = (((x($item,'plink')) && (! $item['private'])) ? '<div class="wall-item-links-wrapper"><a href="'
+ . $item['plink'] . '" title="' . t('link to source') . '" target="external-link" class="icon remote-link"></a></div>' : '');
+ return $plink;
+}}
+
+if(! function_exists('unamp')) {
+function unamp($s) {
+ return str_replace('&', '&', $s);
+}}
+
+
+
+
+if(! function_exists('lang_selector')) {
+function lang_selector() {
+ global $lang;
+ $o = '<div id="lang-select-icon" class="icon language" title="' . t('Select an alternate language') . '" onclick="openClose(\'language-selector\');" ></div>';
+ $o .= '<div id="language-selector" style="display: none;" >';
+ $o .= '<form action="" method="post" ><select name="system_language" onchange="this.form.submit();" >';
+ $langs = glob('view/*/strings.php');
+ if(is_array($langs) && count($langs)) {
+ if(! in_array('view/en/strings.php',$langs))
+ $langs[] = 'view/en/';
+ asort($langs);
+ foreach($langs as $l) {
+ $ll = substr($l,5);
+ $ll = substr($ll,0,strrpos($ll,'/'));
+ $selected = (($ll === $lang) ? ' selected="selected" ' : '');
+ $o .= '<option value="' . $ll . '"' . $selected . '>' . $ll . '</option>';
+ }
+ }
+ $o .= '</select></form></div>';
+ return $o;
+}}
+
+
+if(! function_exists('return_bytes')) {
+function return_bytes ($size_str) {
+ switch (substr ($size_str, -1))
+ {
+ case 'M': case 'm': return (int)$size_str * 1048576;
+ case 'K': case 'k': return (int)$size_str * 1024;
+ case 'G': case 'g': return (int)$size_str * 1073741824;
+ default: return $size_str;
+ }
+}}
+
+function generate_guid() {
+ $found = true;
+ do {
+ $guid = substr(random_string(),0,16);
+ $x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
+ dbesc($guid)
+ );
+ if(! count($x))
+ $found = false;
+ } while ($found == true );
+ return $guid;
+}
+
+
+function pkcs5_pad ($text, $blocksize)
+{
+ $pad = $blocksize - (strlen($text) % $blocksize);
+ return $text . str_repeat(chr($pad), $pad);
+}
+
+function pkcs5_unpad($text)
+{
+ $pad = ord($text{strlen($text)-1});
+ if ($pad > strlen($text)) return false;
+ if (strspn($text, chr($pad), strlen($text) - $pad) != $pad) return false;
+ return substr($text, 0, -1 * $pad);
+}
+
+
+function base64url_encode($s, $strip_padding = false) {
+
+ $s = strtr(base64_encode($s),'+/','-_');
+
+ if($strip_padding)
+ $s = str_replace('=','',$s);
+
+ return $s;
+}
+
+function base64url_decode($s) {
+
+/*
+ * // Placeholder for new rev of salmon which strips base64 padding.
+ * // PHP base64_decode handles the un-padded input without requiring this step
+ * // Uncomment if you find you need it.
+ *
+ * $l = strlen($s);
+ * if(! strpos($s,'=')) {
+ * $m = $l % 4;
+ * if($m == 2)
+ * $s .= '==';
+ * if($m == 3)
+ * $s .= '=';
+ * }
+ *
+ */
+
+ return base64_decode(strtr($s,'-_','+/'));
+}
projects / friendica.git / commitdiff