Friendica Communications Platform
(please note that this is a clone of the repository at github, issues are handled there)
https://friendi.ca
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
939 lines
26 KiB
939 lines
26 KiB
<?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; |
|
}} |
|
|
|
// 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) { |
|
|
|
$s = prepare_text($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=\"(.*?)\" 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 = '<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 $s; |
|
}} |
|
|
|
|
|
// Given a text string, convert from bbcode to html and add smilie icons. |
|
|
|
if(! function_exists('prepare_text')) { |
|
function prepare_text($text) { |
|
|
|
require_once('include/bbcode.php'); |
|
|
|
$s = smilies(bbcode($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,'-_','+/')); |
|
}
|
|
|