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 $t;
//$ts = microtime();
$r = $t->replace($s,$r);
//$tt = microtime() - $ts;
//$a = get_app();
//$a->page['debug'] .= "$tt ';
$o .= '
';
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;
}}
/**
*
* 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\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' $1 ', $s);
$s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s);
return($s);
}}
/**
*
* Function: smilies
*
* Description:
* Replaces text emoticons with graphical images
*
* @Parameter: string $s
*
* Returns string
*
* It is expected that this function will be called using HTML text.
* We will escape text between HTML pre and code blocks from being
* processed.
*
* At a higher level, the bbcode [nosmile] tag can be used to prevent this
* function from being executed by the prepare_text() routine when preparing
* bbcode source for HTML display
*
*/
if(! function_exists('smilies')) {
function smilies($s, $sample = false) {
$a = get_app();
if(intval(get_config('system','no_smilies'))
|| (local_user() && intval(get_pconfig(local_user(),'system','no_smilies'))))
return $s;
$s = preg_replace_callback('/(.*?)<\/pre>/ism','smile_encode',$s);
$s = preg_replace_callback('/(.*?)<\/code>/ism','smile_encode',$s);
$texts = array(
'<3',
'</3',
'<\\3',
':-)',
';-)',
':-(',
':-P',
':-p',
':-"',
':-"',
':-x',
':-X',
':-D',
'8-|',
'8-O',
':-O',
'\\o/',
'o.O',
'O.o',
'o_O',
'O_o',
":'(",
":-!",
":-/",
":-[",
"8-)",
':beer',
':homebrew',
':coffee',
':facepalm',
'~friendika',
'~friendica'
);
$icons = array(
'~friendika ',
'~friendica '
);
$params = array('texts' => $texts, 'icons' => $icons, 'string' => $s);
call_hooks('smilie', $params);
if($sample) {
$s = '';
for($x = 0; $x < count($params['texts']); $x ++) {
$s .= '
' . $params['texts'][$x] . ' ' . $params['icons'][$x] . ' ';
}
}
else {
$params['string'] = preg_replace_callback('/<(3+)/','preg_heart',$params['string']);
$s = str_replace($params['texts'],$params['icons'],$params['string']);
}
$s = preg_replace_callback('/
(.*?)<\/pre>/ism','smile_decode',$s);
$s = preg_replace_callback('/(.*?)<\/code>/ism','smile_decode',$s);
return $s;
}}
function smile_encode($m) {
return(str_replace($m[1],base64url_encode($m[1]),$m[0]));
}
function smile_decode($m) {
return(str_replace($m[1],base64url_decode($m[1]),$m[0]));
}
// expand <3333 to the correct number of hearts
function preg_heart($x) {
$a = get_app();
if(strlen($x[1]) == 1)
return $x[0];
$t = '';
for($cnt = 0; $cnt < strlen($x[1]); $cnt ++)
$t .= '';
foreach($arr as $r) {
$matches = false;
$icon = '';
$cnt = preg_match('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" 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 = '
';
break;
default:
$icon = '
';
break;
}
$title = ((strlen(trim($matches[4]))) ? escape_tags(trim($matches[4])) : escape_tags($matches[1]));
$title .= ' ' . $matches[2] . ' ' . t('bytes');
$s .= '
' . $icon . ' ';
}
}
$s .= '
' . t('Categories:') . ' ' . $x . '
';
}
$matches = false;
$x = '';
$cnt = preg_match_all('/\[(.*?)\]/',$item['file'],$matches,PREG_SET_ORDER);
if($cnt) {
// logger('prepare_text: filed_under: ' . print_r($matches,true), LOGGER_DEBUG);
foreach($matches as $mtch) {
if(strlen($x))
$x .= ' ';
$x .= xmlify(file_tag_decode($mtch[1])) . ' ' . t('[remove]') . ' ';
}
if(strlen($x) && (local_user() == $item['uid']))
$s .= '' . t('Filed under:') . ' ' . $x . '
';
}
// Look for spoiler
$spoilersearch = '';
// Remove line breaks before the spoiler
while ((strpos($s, "\n".$spoilersearch) !== false))
$s = str_replace("\n".$spoilersearch, $spoilersearch, $s);
while ((strpos($s, "'.sprintf(t('Click to open/close')).' '.
'';
$s = substr($s, 0, $pos).$spoilerreplace.substr($s, $pos+strlen($spoilersearch));
}
// Look for quote with author
$authorsearch = '';
while ((strpos($s, $authorsearch) !== false)) {
$pos = strpos($s, $authorsearch);
$rnd = random_string(8);
$authorreplace = ''.sprintf(t('Click to open/close')).' '.
'';
$s = substr($s, 0, $pos).$authorreplace.substr($s, $pos+strlen($authorsearch));
}
$prep_arr = array('item' => $item, 'html' => $s);
call_hooks('prepare_body_final', $prep_arr);
return $prep_arr['html'];
}}
// Given a text string, convert from bbcode to html and add smilie icons.
if(! function_exists('prepare_text')) {
function prepare_text($text) {
require_once('include/bbcode.php');
if(stristr($text,'[nosmile]'))
$s = bbcode($text);
else
$s = smilies(bbcode($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 .= '
';
$o .= '';
$o .= '
';
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_user_guid() {
$found = true;
do {
$guid = random_string(16);
$x = q("SELECT `uid` FROM `user` WHERE `guid` = '%s' LIMIT 1",
dbesc($guid)
);
if(! count($x))
$found = false;
} while ($found == true );
return $guid;
}
function base64url_encode($s, $strip_padding = false) {
$s = strtr(base64_encode($s),'+/','-_');
if($strip_padding)
$s = str_replace('=','',$s);
return $s;
}
function base64url_decode($s) {
if(is_array($s)) {
logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true));
return $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,'-_','+/'));
}
if (!function_exists('str_getcsv')) {
function str_getcsv($input, $delimiter = ',', $enclosure = '"', $escape = '\\', $eol = '\n') {
if (is_string($input) && !empty($input)) {
$output = array();
$tmp = preg_split("/".$eol."/",$input);
if (is_array($tmp) && !empty($tmp)) {
while (list($line_num, $line) = each($tmp)) {
if (preg_match("/".$escape.$enclosure."/",$line)) {
while ($strlen = strlen($line)) {
$pos_delimiter = strpos($line,$delimiter);
$pos_enclosure_start = strpos($line,$enclosure);
if (
is_int($pos_delimiter) && is_int($pos_enclosure_start)
&& ($pos_enclosure_start < $pos_delimiter)
) {
$enclosed_str = substr($line,1);
$pos_enclosure_end = strpos($enclosed_str,$enclosure);
$enclosed_str = substr($enclosed_str,0,$pos_enclosure_end);
$output[$line_num][] = $enclosed_str;
$offset = $pos_enclosure_end+3;
} else {
if (empty($pos_delimiter) && empty($pos_enclosure_start)) {
$output[$line_num][] = substr($line,0);
$offset = strlen($line);
} else {
$output[$line_num][] = substr($line,0,$pos_delimiter);
$offset = (
!empty($pos_enclosure_start)
&& ($pos_enclosure_start < $pos_delimiter)
)
?$pos_enclosure_start
:$pos_delimiter+1;
}
}
$line = substr($line,$offset);
}
} else {
$line = preg_split("/".$delimiter."/",$line);
/*
* Validating against pesky extra line breaks creating false rows.
*/
if (is_array($line) && !empty($line[0])) {
$output[$line_num] = $line;
}
}
}
return $output;
} else {
return false;
}
} else {
return false;
}
}
}
function cleardiv() {
return '
';
}
function bb_translate_video($s) {
$matches = null;
$r = preg_match_all("/\[video\](.*?)\[\/video\]/ism",$s,$matches,PREG_SET_ORDER);
if($r) {
foreach($matches as $mtch) {
if((stristr($mtch[1],'youtube')) || (stristr($mtch[1],'youtu.be')))
$s = str_replace($mtch[0],'[youtube]' . $mtch[1] . '[/youtube]',$s);
elseif(stristr($mtch[1],'vimeo'))
$s = str_replace($mtch[0],'[vimeo]' . $mtch[1] . '[/vimeo]',$s);
}
}
return $s;
}
function html2bb_video($s) {
$s = preg_replace('#]+>(.*?)https+://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)#ism',
'[youtube]$2[/youtube]', $s);
$s = preg_replace('#](.*?)https+://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)#ism',
'[youtube]$2[/youtube]', $s);
$s = preg_replace('#](.*?)https+://player.vimeo.com/video/([0-9]+)(.*?)#ism',
'[vimeo]$2[/vimeo]', $s);
return $s;
}
/**
* apply xmlify() to all values of array $val, recursively
*/
function array_xmlify($val){
if (is_bool($val)) return $val?"true":"false";
if (is_array($val)) return array_map('array_xmlify', $val);
return xmlify((string) $val);
}
function reltoabs($text, $base)
{
if (empty($base))
return $text;
$base = rtrim($base,'/');
$base2 = $base . "/";
// Replace links
$pattern = "/]*) href=\"(?!http|https|\/)([^\"]*)\"/";
$replace = "','[',']'),array('%3c','%3e','%5b','%5d'),$s);
}
function file_tag_decode($s) {
return str_replace(array('%3c','%3e','%5b','%5d'),array('<','>','[',']'),$s);
}
function file_tag_file_query($table,$s,$type = 'file') {
if($type == 'file')
$str = preg_quote( '[' . str_replace('%','%%',file_tag_encode($s)) . ']' );
else
$str = preg_quote( '<' . str_replace('%','%%',file_tag_encode($s)) . '>' );
return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' ";
}
// ex. given music,video return or [music][video]
function file_tag_list_to_file($list,$type = 'file') {
$tag_list = '';
if(strlen($list)) {
$list_array = explode(",",$list);
if($type == 'file') {
$lbracket = '[';
$rbracket = ']';
}
else {
$lbracket = '<';
$rbracket = '>';
}
foreach($list_array as $item) {
if(strlen($item)) {
$tag_list .= $lbracket . file_tag_encode(trim($item)) . $rbracket;
}
}
}
return $tag_list;
}
// ex. given [friends], return music,video or friends
function file_tag_file_to_list($file,$type = 'file') {
$matches = false;
$list = '';
if($type == 'file') {
$cnt = preg_match_all('/\[(.*?)\]/',$file,$matches,PREG_SET_ORDER);
}
else {
$cnt = preg_match_all('/<(.*?)>/',$file,$matches,PREG_SET_ORDER);
}
if($cnt) {
foreach($matches as $mtch) {
if(strlen($list))
$list .= ',';
$list .= file_tag_decode($mtch[1]);
}
}
return $list;
}
function file_tag_update_pconfig($uid,$file_old,$file_new,$type = 'file') {
// $file_old - categories previously associated with an item
// $file_new - new list of categories for an item
if(! intval($uid))
return false;
if($file_old == $file_new)
return true;
$saved = get_pconfig($uid,'system','filetags');
if(strlen($saved)) {
if($type == 'file') {
$lbracket = '[';
$rbracket = ']';
}
else {
$lbracket = '<';
$rbracket = '>';
}
$filetags_updated = $saved;
// check for new tags to be added as filetags in pconfig
$new_tags = array();
$check_new_tags = explode(",",file_tag_file_to_list($file_new,$type));
foreach($check_new_tags as $tag) {
if(! stristr($saved,$lbracket . file_tag_encode($tag) . $rbracket))
$new_tags[] = $tag;
}
$filetags_updated .= file_tag_list_to_file(implode(",",$new_tags),$type);
// check for deleted tags to be removed from filetags in pconfig
$deleted_tags = array();
$check_deleted_tags = explode(",",file_tag_file_to_list($file_old,$type));
foreach($check_deleted_tags as $tag) {
if(! stristr($file_new,$lbracket . file_tag_encode($tag) . $rbracket))
$deleted_tags[] = $tag;
}
foreach($deleted_tags as $key => $tag) {
$r = q("select file from item where uid = %d " . file_tag_file_query('item',$tag,$type),
intval($uid)
);
if(count($r)) {
unset($deleted_tags[$key]);
}
else {
$filetags_updated = str_replace($lbracket . file_tag_encode($tag) . $rbracket,'',$filetags_updated);
}
}
if($saved != $filetags_updated) {
set_pconfig($uid,'system','filetags', $filetags_updated);
}
return true;
}
else
if(strlen($file_new)) {
set_pconfig($uid,'system','filetags', $file_new);
}
return true;
}
function file_tag_save_file($uid,$item,$file) {
$result = false;
if(! intval($uid))
return false;
$r = q("select file from item where id = %d and uid = %d limit 1",
intval($item),
intval($uid)
);
if(count($r)) {
if(! stristr($r[0]['file'],'[' . file_tag_encode($file) . ']'))
q("update item set file = '%s' where id = %d and uid = %d limit 1",
dbesc($r[0]['file'] . '[' . file_tag_encode($file) . ']'),
intval($item),
intval($uid)
);
$saved = get_pconfig($uid,'system','filetags');
if((! strlen($saved)) || (! stristr($saved,'[' . file_tag_encode($file) . ']')))
set_pconfig($uid,'system','filetags',$saved . '[' . file_tag_encode($file) . ']');
info( t('Item filed') );
}
return true;
}
function file_tag_unsave_file($uid,$item,$file) {
$result = false;
if(! intval($uid))
return false;
$pattern = '[' . file_tag_encode($file) . ']' ;
$r = q("select file from item where id = %d and uid = %d limit 1",
intval($item),
intval($uid)
);
if(! count($r))
return false;
q("update item set file = '%s' where id = %d and uid = %d limit 1",
dbesc(str_replace($pattern,'',$r[0]['file'])),
intval($item),
intval($uid)
);
$r = q("select file from item where uid = %d " . file_tag_file_query('item',$file),
intval($uid)
);
if(! count($r)) {
$saved = get_pconfig($uid,'system','filetags');
set_pconfig($uid,'system','filetags',str_replace($pattern,'',$saved));
}
return true;
}
function normalise_openid($s) {
return trim(str_replace(array('http://','https://'),array('',''),$s),'/');
}
function undo_post_tagging($s) {
$matches = null;
$cnt = preg_match_all('/([@#])\[url=(.*?)\](.*?)\[\/url\]/ism',$s,$matches,PREG_SET_ORDER);
if($cnt) {
foreach($matches as $mtch) {
$s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s);
}
}
return $s;
}
 . '/images/smiley-heart.gif)
',
' . '/images/smiley-brokenheart.gif)
',
' . '/images/smiley-smile.gif)
',
' . '/images/smiley-wink.gif)
',
' . '/images/smiley-frown.gif)
',
' . '/images/smiley-tongue-out.gif)
',
' . '/images/smiley-kiss.gif)
',
' . '/images/smiley-laughing.gif)
',
' . '/images/smiley-surprised.gif)
',
' . '/images/smiley-thumbsup.gif)
',
' . '/images/smiley-Oo.gif)
',
' . '/images/smiley-cry.gif)
',
' . '/images/smiley-foot-in-mouth.gif)
',
' . '/images/smiley-undecided.gif)
',
' . '/images/smiley-embarassed.gif)
',
' . '/images/smiley-cool.gif)
',
' . '/images/beer_mug.gif)
',
' . '/images/coffee.gif)
',
' . '/images/smiley-facepalm.gif)
',
'~friendika  . '/images/friendika-16.png)
',
'~friendica  . '/images/friendica-16.png)
'
);
$params = array('texts' => $texts, 'icons' => $icons, 'string' => $s);
call_hooks('smilie', $params);
if($sample) {
$s = '';
for($x = 0; $x < count($params['texts']); $x ++) {
$s .= '