friendica/include/text.php

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<?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 $t;
//$ts = microtime();
$r = $t->replace($s,$r);
//$tt = microtime() - $ts;
//$a = get_app();
//$a->page['debug'] .= "$tt <br>\n";
return template_unescape($r);
}}
// random string, there are 86 characters max in text mode, 128 for hex
// output is urlsafe
define('RANDOM_STRING_HEX', 0x00 );
define('RANDOM_STRING_TEXT', 0x01 );
if(! function_exists('random_string')) {
function random_string($size = 64,$type = RANDOM_STRING_HEX) {
// generate a bit of entropy and run it through the whirlpool
$s = hash('whirlpool', (string) rand() . uniqid(rand(),true) . (string) rand(),(($type == RANDOM_STRING_TEXT) ? true : false));
$s = (($type == RANDOM_STRING_TEXT) ? str_replace("\n","",base64url_encode($s,true)) : $s);
return(substr($s,0,$size));
}}
/**
* This is our primary input filter.
*
* The high bit hack only involved some old IE browser, forget which (IE5/Mac?)
* that had an XSS attack vector due to stripping the high-bit on an 8-bit character
* after cleansing, and angle chars with the high bit set could get through as markup.
*
* This is now disabled because it was interfering with some legitimate unicode sequences
* and hopefully there aren't a lot of those browsers left.
*
* Use this on any text input where angle chars are not valid or permitted
* They will be replaced with safer brackets. This may be filtered further
* if these are not allowed either.
*
*/
if(! function_exists('notags')) {
function notags($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) {
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if($len <= 0)
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return '';
$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) {
$buffer = '';
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for($x = 0; $x < mb_strlen($str); $x ++) {
$char = $str[$x];
switch( $char ) {
case "\r" :
break;
case "&" :
$buffer .= '&amp;';
break;
case "'" :
$buffer .= '&apos;';
break;
case "\"" :
$buffer .= '&quot;';
break;
case '<' :
$buffer .= '&lt;';
break;
case '>' :
$buffer .= '&gt;';
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('&amp;','&', $s);
$ret = str_replace(array('&lt;','&gt;','&quot;','&apos;'),array('<','>','"',"'"),$ret);
return $ret;
}}
// convenience wrapper, reverse the operation "bin2hex"
if(! function_exists('hex2bin')) {
function hex2bin($s) {
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if(! (is_string($s) && strlen($s)))
return '';
if(! ctype_xdigit($s)) {
return($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);
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// $stripped = preg_replace('/&zrl=(.*?)([\?&]|$)/ism','',$stripped);
$stripped = str_replace('q=','',$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) ? '&nbsp;'.$i : $i);
else
$o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? '&nbsp;'.$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) ? '&nbsp;'.$i : $i);
else
$o .= "<span class=\"pager_n\"><a href=\"$url"."&page=$i\">".(($i < 10) ? '&nbsp;'.$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) {
$a=get_app();
$theme = current_theme();
if(file_exists("view/theme/$theme/$s"))
return file_get_contents("view/theme/$theme/$s");
elseif (x($a->theme_info,"extends") && file_exists("view/theme/".$a->theme_info["extends"]."/$s"))
return file_get_contents("view/theme/".$a->theme_info["extends"]."/$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) {
// turn off logger in install mode
global $a;
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global $db;
if(($a->module == 'install') || (! ($db && $db->connected))) return;
$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','',$s);
// Match full names against @tags including the space between first and last
// We will look these up afterward to see if they are full names or not recognisable.
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if(preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/',$s,$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[] = $mtch;
}
}
// Otherwise pull out single word tags. These can be @nickname, @first_last
// and #hash tags.
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if(preg_match_all('/([@#][^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/',$s,$match)) {
foreach($match[1] as $mtch) {
if(strstr($mtch,"]")) {
// we might be inside a bbcode color tag - leave it alone
continue;
}
if(substr($mtch,-1,1) === '.')
$mtch = substr($mtch,0,-1);
// ignore strictly numeric tags like #1
if((strpos($mtch,'#') === 0) && ctype_digit(substr($mtch,1)))
continue;
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// try not to catch url fragments
if(strpos($s,$mtch) && preg_match('/[a-zA-z0-9\/]/',substr($s,strpos($s,$mtch)-1,1)))
continue;
$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 === false)
$shown = 24;
if($shown == 0)
return;
if((! is_array($a->profile)) || ($a->profile['hide-friends']))
return $o;
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$r = q("SELECT COUNT(*) AS `total` FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0 AND `archive` = 0",
intval($a->profile['uid'])
);
if(count($r)) {
$total = intval($r[0]['total']);
}
if(! $total) {
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$contacts = t('No contacts');
$micropro = Null;
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} else {
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$r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 0 AND `blocked` = 0 and `pending` = 0 AND `hidden` = 0 AND `archive` = 0 ORDER BY RAND() LIMIT %d",
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intval($a->profile['uid']),
intval($shown)
);
if(count($r)) {
$contacts = sprintf( tt('%d Contact','%d Contacts', $total),$total);
$micropro = Array();
foreach($r as $rr) {
$micropro[] = micropro($rr,true,'mpfriend');
}
}
}
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$tpl = get_markup_template('contact_block.tpl');
$o = replace_macros($tpl, array(
'$contacts' => $contacts,
'$nickname' => $a->profile['nickname'],
'$viewcontacts' => t('View Contacts'),
'$micropro' => $micropro,
));
$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'];
$sparkle = '';
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$redir = false;
if($redirect) {
$a = get_app();
$redirect_url = $a->get_baseurl() . '/redir/' . $contact['id'];
if(local_user() && ($contact['uid'] == local_user()) && ($contact['network'] === 'dfrn')) {
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$redir = true;
$url = $redirect_url;
$sparkle = ' sparkle';
}
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else
$url = zrl($url);
}
$click = ((x($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' : '') . '" '
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. (($redir) ? ' target="redir" ' : '')
. (($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' : '') . '" '
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. (($redir) ? ' target="redir" ' : '')
. (($url) ? ' href="' . $url . '"' : '') . $click . ' ><img class="contact-block-img' . $class . $sparkle . '" src="'
. $contact['micro'] . '" title="' . $contact['name'] . ' [' . $contact['url'] . ']" alt="' . $contact['name']
. '" /></a></div>' . "\r\n";
}
}}
if(! function_exists('search')) {
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function search($s,$id='search-box',$url='/search',$save = false) {
$a = get_app();
$o = '<div id="' . $id . '">';
$o .= '<form action="' . $a->get_baseurl((stristr($url,'network')) ? true : false) . $url . '" method="get" >';
$o .= '<input type="text" name="search" id="search-text" value="' . $s .'" />';
$o .= '<input type="submit" name="submit" id="search-submit" value="' . t('Search') . '" />';
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if($save)
$o .= '<input type="submit" name="save" id="search-save" value="' . t('Save') . '" />';
$o .= '</form></div>';
return $o;
}}
if(! function_exists('valid_email')) {
function valid_email($x){
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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($s) {
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$s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\~\#\'\%\$\!\+]*)/", ' <a href="$1" target="external-link">$1</a>', $s);
$s = preg_replace("/\<(.*?)(src|href)=(.*?)\&amp\;(.*?)\>/ism",'<$1$2=$3&$4>',$s);
return($s);
}}
/**
*
* Function: smilies
*
* Description:
* Replaces text emoticons with graphical images
*
* @Parameter: string $s
*
* Returns string
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*
* It is expected that this function will be called using HTML text.
* We will escape text between HTML pre and code blocks from being
* processed.
*
* At a higher level, the bbcode [nosmile] tag can be used to prevent this
* function from being executed by the prepare_text() routine when preparing
* bbcode source for HTML display
*
*/
if(! function_exists('smilies')) {
function smilies($s, $sample = false) {
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$a = get_app();
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if(intval(get_config('system','no_smilies'))
|| (local_user() && intval(get_pconfig(local_user(),'system','no_smilies'))))
return $s;
$s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','smile_encode',$s);
$s = preg_replace_callback('/<code>(.*?)<\/code>/ism','smile_encode',$s);
$texts = array(
'&lt;3',
'&lt;/3',
'&lt;\\3',
':-)',
';-)',
':-(',
':-P',
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':-p',
':-"',
':-&quot;',
':-x',
':-X',
':-D',
'8-|',
'8-O',
':-O',
'\\o/',
'o.O',
'O.o',
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'o_O',
'O_o',
":'(",
":-!",
":-/",
":-[",
"8-)",
':beer',
':homebrew',
':coffee',
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':facepalm',
'~friendika',
'~friendica'
);
$icons = 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-wink.gif" alt=";-)" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-frown.gif" alt=":-(" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-tongue-out.gif" alt=":-P" />',
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'<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=":-\"" />',
'<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-|" />',
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'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt="8-O" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-surprised.gif" alt=":-O" />',
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'<img src="' . $a->get_baseurl() . '/images/smiley-thumbsup.gif" alt="\\o/" />',
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'<img src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o.O" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O.o" />',
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'<img src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="o_O" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-Oo.gif" alt="O_o" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-cry.gif" alt=":\'(" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-foot-in-mouth.gif" alt=":-!" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-undecided.gif" alt=":-/" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-embarassed.gif" alt=":-[" />',
'<img src="' . $a->get_baseurl() . '/images/smiley-cool.gif" alt="8-)" />',
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'<img src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":beer" />',
'<img src="' . $a->get_baseurl() . '/images/beer_mug.gif" alt=":homebrew" />',
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'<img src="' . $a->get_baseurl() . '/images/coffee.gif" alt=":coffee" />',
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'<img src="' . $a->get_baseurl() . '/images/smiley-facepalm.gif" alt=":facepalm" />',
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'<a href="http://project.friendika.com">~friendika <img src="' . $a->get_baseurl() . '/images/friendika-16.png" alt="~friendika" /></a>',
'<a href="http://friendica.com">~friendica <img src="' . $a->get_baseurl() . '/images/friendica-16.png" alt="~friendica" /></a>'
);
$params = array('texts' => $texts, 'icons' => $icons, 'string' => $s);
call_hooks('smilie', $params);
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if($sample) {
$s = '<div class="smiley-sample">';
for($x = 0; $x < count($params['texts']); $x ++) {
$s .= '<dl><dt>' . $params['texts'][$x] . '</dt><dd>' . $params['icons'][$x] . '</dd></dl>';
}
}
else {
$params['string'] = preg_replace_callback('/&lt;(3+)/','preg_heart',$params['string']);
$s = str_replace($params['texts'],$params['icons'],$params['string']);
}
$s = preg_replace_callback('/<pre>(.*?)<\/pre>/ism','smile_decode',$s);
$s = preg_replace_callback('/<code>(.*?)<\/code>/ism','smile_decode',$s);
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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 .= '<img src="' . $a->get_baseurl() . '/images/smiley-heart.gif" alt="<3" />';
$r = str_replace($x[0],$t,$x[0]);
return $r;
}
if(! function_exists('day_translate')) {
function day_translate($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;
}}
// Given an item array, convert the body element from bbcode to html and add smilie icons.
// If attach is true, also add icons for item attachments
if(! function_exists('prepare_body')) {
function prepare_body($item,$attach = false) {
$a = get_app();
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call_hooks('prepare_body_init', $item);
$cache = get_config('system','itemcache');
if (($cache != '')) {
$cachefile = $cache."/".$item["guid"]."-".strtotime($item["edited"])."-".hash("crc32", $item['body']);
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if (file_exists($cachefile))
$s = file_get_contents($cachefile);
else {
$s = prepare_text($item['body']);
file_put_contents($cachefile, $s);
}
} else
$s = prepare_text($item['body']);
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$prep_arr = array('item' => $item, 'html' => $s);
call_hooks('prepare_body', $prep_arr);
$s = $prep_arr['html'];
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if(! $attach) {
return $s;
}
$arr = explode(',',$item['attach']);
if(count($arr)) {
$s .= '<div class="body-attach">';
foreach($arr as $r) {
$matches = false;
$icon = '';
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$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':
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$icon = '<div class="attachtype icon s22 type-' . $icontype . '"></div>';
break;
default:
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$icon = '<div class="attachtype icon s22 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>';
}
$matches = false;
$cnt = preg_match_all('/<(.*?)>/',$item['file'],$matches,PREG_SET_ORDER);
if($cnt) {
// logger('prepare_text: categories: ' . print_r($matches,true), LOGGER_DEBUG);
foreach($matches as $mtch) {
if(strlen($x))
$x .= ',';
$x .= xmlify(file_tag_decode($mtch[1]))
. ((local_user() == $item['uid']) ? ' <a href="' . $a->get_baseurl() . '/filerm/' . $item['id'] . '?f=&cat=' . xmlify(file_tag_decode($mtch[1])) . '" title="' . t('remove') . '" >' . t('[remove]') . '</a>' : '');
}
if(strlen($x))
$s .= '<div class="categorytags"><span>' . t('Categories:') . ' </span>' . $x . '</div>';
}
$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 .= '&nbsp;&nbsp;&nbsp;';
$x .= xmlify(file_tag_decode($mtch[1])) . ' <a href="' . $a->get_baseurl() . '/filerm/' . $item['id'] . '?f=&term=' . xmlify(file_tag_decode($mtch[1])) . '" title="' . t('remove') . '" >' . t('[remove]') . '</a>';
}
if(strlen($x) && (local_user() == $item['uid']))
$s .= '<div class="filesavetags"><span>' . t('Filed under:') . ' </span>' . $x . '</div>';
}
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// Look for spoiler
$spoilersearch = '<blockquote class="spoiler">';
// Remove line breaks before the spoiler
while ((strpos($s, "\n".$spoilersearch) !== false))
$s = str_replace("\n".$spoilersearch, $spoilersearch, $s);
while ((strpos($s, "<br />".$spoilersearch) !== false))
$s = str_replace("<br />".$spoilersearch, $spoilersearch, $s);
while ((strpos($s, $spoilersearch) !== false)) {
$pos = strpos($s, $spoilersearch);
$rnd = random_string(8);
$spoilerreplace = '<br /> <span id="spoiler-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'spoiler-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'.
'<blockquote class="spoiler" id="spoiler-'.$rnd.'" style="display: none;">';
$s = substr($s, 0, $pos).$spoilerreplace.substr($s, $pos+strlen($spoilersearch));
}
// Look for quote with author
$authorsearch = '<blockquote class="author">';
while ((strpos($s, $authorsearch) !== false)) {
$pos = strpos($s, $authorsearch);
$rnd = random_string(8);
$authorreplace = '<br /> <span id="author-wrap-'.$rnd.'" style="white-space:nowrap;" class="fakelink" onclick="openClose(\'author-'.$rnd.'\');">'.sprintf(t('Click to open/close')).'</span>'.
'<blockquote class="author" id="author-'.$rnd.'" style="display: block;">';
$s = substr($s, 0, $pos).$authorreplace.substr($s, $pos+strlen($authorsearch));
}
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$prep_arr = array('item' => $item, 'html' => $s);
call_hooks('prepare_body_final', $prep_arr);
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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;
$hubxml .= '<link rel="hub" href="' . xmlify($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) {
$a = get_app();
if (x($item,'plink') && (! $item['private'])){
return array(
'href' => $item['plink'],
'title' => t('link to source'),
);
} else {
return false;
}
}}
if(! function_exists('unamp')) {
function unamp($s) {
return str_replace('&amp;', '&', $s);
}}
if(! function_exists('lang_selector')) {
function lang_selector() {
global $lang;
$langs = glob('view/*/strings.php');
$lang_options = array();
$selected = "";
if(is_array($langs) && count($langs)) {
$langs[] = '';
if(! in_array('view/en/strings.php',$langs))
$langs[] = 'view/en/';
asort($langs);
foreach($langs as $l) {
if($l == '') {
$lang_options[""] = t('default');
continue;
}
$ll = substr($l,5);
$ll = substr($ll,0,strrpos($ll,'/'));
$selected = (($ll === $lang && (x($_SESSION, 'language'))) ? $ll : $selected);
$lang_options[$ll]=$ll;
}
}
$tpl = get_markup_template("lang_selector.tpl");
$o = replace_macros($tpl, array(
'$title' => t('Select an alternate language'),
'$langs' => array($lang_options, $selected),
));
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;
}
}}
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function generate_user_guid() {
$found = true;
do {
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$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,'-_','+/'));
}
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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 $output;
} else {
return false;
}
} else {
return false;
}
}
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}
function cleardiv() {
return '<div class="clear"></div>';
}
function bb_translate_video($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('#<object[^>]+>(.*?)https+://www.youtube.com/((?:v|cp)/[A-Za-z0-9\-_=]+)(.*?)</object>#ism',
'[youtube]$2[/youtube]', $s);
$s = preg_replace('#<iframe[^>](.*?)https+://www.youtube.com/embed/([A-Za-z0-9\-_=]+)(.*?)</iframe>#ism',
'[youtube]$2[/youtube]', $s);
$s = preg_replace('#<iframe[^>](.*?)https+://player.vimeo.com/video/([0-9]+)(.*?)</iframe>#ism',
'[vimeo]$2[/vimeo]', $s);
return $s;
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}
/**
* 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 = "/<a([^>]*) href=\"(?!http|https|\/)([^\"]*)\"/";
$replace = "<a\${1} href=\"" . $base2 . "\${2}\"";
$text = preg_replace($pattern, $replace, $text);
$pattern = "/<a([^>]*) href=\"(?!http|https)([^\"]*)\"/";
$replace = "<a\${1} href=\"" . $base . "\${2}\"";
$text = preg_replace($pattern, $replace, $text);
// Replace images
$pattern = "/<img([^>]*) src=\"(?!http|https|\/)([^\"]*)\"/";
$replace = "<img\${1} src=\"" . $base2 . "\${2}\"";
$text = preg_replace($pattern, $replace, $text);
$pattern = "/<img([^>]*) src=\"(?!http|https)([^\"]*)\"/";
$replace = "<img\${1} src=\"" . $base . "\${2}\"";
$text = preg_replace($pattern, $replace, $text);
// Done
return $text;
}
function item_post_type($item) {
if(intval($item['event-id']))
return t('event');
if(strlen($item['resource-id']))
return t('photo');
if(strlen($item['verb']) && $item['verb'] !== ACTIVITY_POST)
return t('activity');
if($item['id'] != $item['parent'])
return t('comment');
return t('post');
}
2012-03-12 04:19:56 +01:00
// post categories and "save to file" use the same item.file table for storage.
// We will differentiate the different uses by wrapping categories in angle brackets
// and save to file categories in square brackets.
// To do this we need to escape these characters if they appear in our tag.
2012-03-12 04:19:56 +01:00
function file_tag_encode($s) {
return str_replace(array('<','>','[',']'),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') {
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if($type == 'file')
$str = preg_quote( '[' . str_replace('%','%%',file_tag_encode($s)) . ']' );
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else
$str = preg_quote( '<' . str_replace('%','%%',file_tag_encode($s)) . '>' );
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return " AND " . (($table) ? dbesc($table) . '.' : '') . "file regexp '" . dbesc($str) . "' ";
2012-03-12 05:32:11 +01:00
}
// ex. given music,video return <music><video> or [music][video]
function file_tag_list_to_file($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 $tag_list;
}
// ex. given <music><video>[friends], return music,video or friends
function file_tag_file_to_list($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', $file_new);
}
return true;
}
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function file_tag_save_file($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) . ']'),
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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) . ']');
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info( t('Item filed') );
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}
return true;
}
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function file_tag_unsave_file($uid,$item,$file,$cat = false) {
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$result = false;
if(! intval($uid))
return false;
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if($cat == true)
$pattern = '<' . file_tag_encode($file) . '>' ;
else
$pattern = '[' . file_tag_encode($file) . ']' ;
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$r = q("select file from item where id = %d and uid = %d limit 1",
intval($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)
);
$r = q("select file from item where uid = %d and deleted = 0 " . file_tag_file_query('item',$file,(($cat) ? 'category' : 'file')),
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intval($uid)
);
if(! count($r)) {
$saved = get_pconfig($uid,'system','filetags');
set_pconfig($uid,'system','filetags',str_replace($pattern,'',$saved));
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}
return true;
}
function normalise_openid($s) {
return trim(str_replace(array('http://','https://'),array('',''),$s),'/');
}
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function undo_post_tagging($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 $s;
}
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function fix_mce_lf($s) {
$s = str_replace("\r\n","\n",$s);
$s = str_replace("\n\n","\n",$s);
return $s;
}