replace)
* @return string substituted string
*/
function replace_macros($s, $r) {
$arr = array('template' => $s, 'params' => $r);
call_hooks('replace_macros', $arr);
$t = App::template_engine();
$output = $t->replace_macros($arr['template'],$arr['params']);
return $output;
}
/**
* @brief Generates a random string.
*
* @param number $size
* @param int $type
* @return string
*/
function random_string($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));
}
/**
* @brief 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.
*
* @param string $string Input string
* @return string Filtered string
*/
function notags($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.
* @param string $string
* @return string
*/
function escape_tags($string) {
return(htmlspecialchars($string, ENT_COMPAT, 'UTF-8', false));
}
function z_input_filter($channel_id,$s,$type = 'text/bbcode') {
if($type === 'text/bbcode')
return escape_tags($s);
if($type === 'text/markdown')
return escape_tags($s);
if($type == 'text/plain')
return escape_tags($s);
if($type == 'application/x-pdl')
return escape_tags($s);
if(App::$is_sys) {
return $s;
}
$r = q("select account_id, account_roles, channel_pageflags from account left join channel on channel_account_id = account_id where channel_id = %d limit 1",
intval($channel_id)
);
if($r) {
if(($r[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE) || ($r[0]['channel_pageflags'] & PAGE_ALLOWCODE)) {
if(local_channel() && (get_account_id() == $r[0]['account_id'])) {
return $s;
}
}
}
if($type === 'text/html')
return purify_html($s);
return escape_tags($s);
}
function purify_html($s, $allow_position = false) {
require_once('library/HTMLPurifier.auto.php');
require_once('include/html2bbcode.php');
/**
* @FIXME this function has html output, not bbcode - so safely purify these
* $s = html2bb_video($s);
* $s = oembed_html2bbcode($s);
*/
$config = HTMLPurifier_Config::createDefault();
$config->set('Cache.DefinitionImpl', null);
$config->set('Attr.EnableID', true);
//Allow some custom data- attributes used by built-in libs.
//In this way members which do not have allowcode set can still use the built-in js libs in webpages to some extent.
$def = $config->getHTMLDefinition(true);
//data- attributes used by the foundation library
$def->info_global_attr['data-options'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-magellan-expedition'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-magellan-destination'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-magellan-arrival'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-offcanvas'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-topbar'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-orbit'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-orbit-slide-number'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-dropdown'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-dropdown-content'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-reveal-id'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-reveal'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-alert'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-tooltip'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-joyride'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-id'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-text'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-class'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-prev-tex'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-button'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-accordion'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-tab'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-equalizer'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-equalizer-watch'] = new HTMLPurifier_AttrDef_Text;
//data- attributes used by the bootstrap library
$def->info_global_attr['data-dismiss'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-target'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-toggle'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-backdrop'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-keyboard'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-show'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-spy'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-offset'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-animation'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-container'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-delay'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-placement'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-title'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-trigger'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-content'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-trigger'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-parent'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-ride'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-slide-to'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-slide'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-interval'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-pause'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-wrap'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-offset-top'] = new HTMLPurifier_AttrDef_Text;
$def->info_global_attr['data-offset-bottom'] = new HTMLPurifier_AttrDef_Text;
//some html5 elements
$def->addElement('section', 'Block', 'Flow', 'Common');
$def->addElement('nav', 'Block', 'Flow', 'Common');
$def->addElement('article', 'Block', 'Flow', 'Common');
$def->addElement('aside', 'Block', 'Flow', 'Common');
$def->addElement('header', 'Block', 'Flow', 'Common');
$def->addElement('footer', 'Block', 'Flow', 'Common');
if($allow_position) {
$cssDefinition = $config->getCSSDefinition();
$cssDefinition->info['position'] = new HTMLPurifier_AttrDef_Enum(array('absolute', 'fixed', 'relative', 'static', 'inherit'), false);
$cssDefinition->info['left'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
new HTMLPurifier_AttrDef_CSS_Length(),
new HTMLPurifier_AttrDef_CSS_Percentage()
));
$cssDefinition->info['right'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
new HTMLPurifier_AttrDef_CSS_Length(),
new HTMLPurifier_AttrDef_CSS_Percentage()
));
$cssDefinition->info['top'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
new HTMLPurifier_AttrDef_CSS_Length(),
new HTMLPurifier_AttrDef_CSS_Percentage()
));
$cssDefinition->info['bottom'] = new HTMLPurifier_AttrDef_CSS_Composite(array(
new HTMLPurifier_AttrDef_CSS_Length(),
new HTMLPurifier_AttrDef_CSS_Percentage()
));
}
$purifier = new HTMLPurifier($config);
return $purifier->purify($s);
}
/**
* @brief generate a string that's random, but usually pronounceable.
*
* Used to generate initial passwords.
*
* @param int $len
* @return string
*/
function autoname($len) {
if ($len <= 0)
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 $word;
}
/**
* @brief escape text ($str) for XML transport
*
* @param string $str
* @return string Escaped text.
*/
function xmlify($str) {
$buffer = '';
if(is_array($str)) {
// allow to fall through so we ge a PHP error, as the log statement will
// probably get lost in the noise unless we're specifically looking for it.
btlogger('xmlify called with array: ' . print_r($str,true), LOGGER_NORMAL, LOG_WARNING);
}
$len = mb_strlen($str);
for($x = 0; $x < $len; $x ++) {
$char = mb_substr($str,$x,1);
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 unxmlify($s) {
$ret = str_replace('&','&', $s);
$ret = str_replace(array('<','>','"','''),array('<','>','"',"'"),$ret);
return $ret;
}
/**
* Convenience wrapper, reverse the operation "bin2hex"
* This is a built-in function in php >= 5.4
*
* @FIXME We already have php >= 5.4 requirements, so can we remove this?
*/
if(! function_exists('hex2bin')) {
function hex2bin($s) {
if(! (is_string($s) && strlen($s)))
return '';
if(strlen($s) & 1) {
logger('hex2bin: illegal hex string: ' . $s);
return $s;
}
if(! ctype_xdigit($s)) {
return($s);
}
return(pack("H*",$s));
}}
// Automatic pagination.
// To use, get the count of total items.
// Then call App::set_pager_total($number_items);
// Optionally call App::set_pager_itemspage($n) to the number of items to display on each page
// Then call paginate($a) after the end of the display loop to insert the pager block on the page
// (assuming there are enough items to paginate).
// When using with SQL, the setting LIMIT %d, %d => App::$pager['start'],App::$pager['itemspage']
// will limit the results to the correct items for the current page.
// The actual page handling is then accomplished at the application layer.
function paginate(&$a) {
$o = '';
$stripped = preg_replace('/(&page=[0-9]*)/','',App::$query_string);
// $stripped = preg_replace('/&zid=(.*?)([\?&]|$)/ism','',$stripped);
$stripped = str_replace('q=','',$stripped);
$stripped = trim($stripped,'/');
$pagenum = App::$pager['page'];
$url = z_root() . '/' . $stripped;
if(App::$pager['total'] > App::$pager['itemspage']) {
$o .= '
'."\r\n";
}
return $o;
}
function alt_pager(&$a, $i, $more = '', $less = '') {
if(! $more)
$more = t('older');
if(! $less)
$less = t('newer');
$stripped = preg_replace('/(&page=[0-9]*)/','',App::$query_string);
$stripped = str_replace('q=','',$stripped);
$stripped = trim($stripped,'/');
//$pagenum = App::$pager['page'];
$url = z_root() . '/' . $stripped;
return replace_macros(get_markup_template('alt_pager.tpl'), array(
'$has_less' => ((App::$pager['page'] > 1) ? true : false),
'$has_more' => (($i > 0 && $i >= App::$pager['itemspage']) ? true : false),
'$less' => $less,
'$more' => $more,
'$url' => $url,
'$prevpage' => App::$pager['page'] - 1,
'$nextpage' => App::$pager['page'] + 1,
));
}
/**
* @brief Generate a guaranteed unique (for this domain) item ID for ATOM.
*
* Safe from birthday paradox.
*
* @return string a unique id
*/
function item_message_id() {
do {
$dups = false;
$hash = random_string();
$mid = $hash . '@' . App::get_hostname();
$r = q("SELECT id FROM item WHERE mid = '%s' LIMIT 1",
dbesc($mid));
if(count($r))
$dups = true;
} while($dups == true);
return $mid;
}
/**
* @brief Generate a guaranteed unique photo ID.
*
* Safe from birthday paradox.
*
* @return string a uniqe hash
*/
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;
}
// 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 $s - returns true if found, otherwise false
function attribute_contains($attr, $s) {
$a = explode(' ', $attr);
if(count($a) && in_array($s, $a))
return true;
return false;
}
/**
* @brief Logging function for Hubzilla.
*
* Logging output is configured through Hubzilla's system config. The log file
* is set in system logfile, log level in system loglevel and to enable logging
* set system debugging.
*
* Available constants for log level are LOGGER_NORMAL, LOGGER_TRACE, LOGGER_DEBUG,
* LOGGER_DATA and LOGGER_ALL.
*
* Since PHP5.4 we get the file, function and line automatically where the logger
* was called, so no need to add it to the message anymore.
*
* @param string $msg Message to log
* @param int $level A log level.
* @param int $priority - compatible with syslog
*/
function logger($msg, $level = LOGGER_NORMAL, $priority = LOG_INFO) {
if(App::$module == 'setup' && is_writable('install.log')) {
$debugging = true;
$logfile = 'install.log';
$loglevel = LOGGER_ALL;
}
else {
$debugging = get_config('system', 'debugging');
$loglevel = intval(get_config('system', 'loglevel'));
$logfile = get_config('system', 'logfile');
}
if((! $debugging) || (! $logfile) || ($level > $loglevel))
return;
$where = '';
// We require > 5.4 but leave the version check so that install issues (including version) can be logged
if(version_compare(PHP_VERSION, '5.4.0') >= 0) {
$stack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2);
$where = basename($stack[0]['file']) . ':' . $stack[0]['line'] . ':' . $stack[1]['function'] . ': ';
}
$s = datetime_convert() . ':' . log_priority_str($priority) . ':' . session_id() . ':' . $where . $msg . PHP_EOL;
$pluginfo = array('filename' => $logfile, 'loglevel' => $level, 'message' => $s,'priority' => $priority, 'logged' => false);
if(! (App::$module == 'setup'))
call_hooks('logger',$pluginfo);
if(! $pluginfo['logged'])
@file_put_contents($pluginfo['filename'], $pluginfo['message'], FILE_APPEND);
}
// like logger() but with a function backtrace to pinpoint certain classes
// of problems which show up deep in the calling stack
function btlogger($msg, $level = LOGGER_NORMAL, $priority = LOG_INFO) {
logger($msg, $level, $priority);
if(version_compare(PHP_VERSION, '5.4.0') >= 0) {
$stack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS);
if($stack) {
for($x = 1; $x < count($stack); $x ++) {
logger('stack: ' . basename($stack[$x]['file']) . ':' . $stack[$x]['line'] . ':' . $stack[$x]['function'] . '()',$level, $priority);
}
}
}
}
function log_priority_str($priority) {
$parr = array(
LOG_EMERG => 'LOG_EMERG',
LOG_ALERT => 'LOG_ALERT',
LOG_CRIT => 'LOG_CRIT',
LOG_ERR => 'LOG_ERR',
LOG_WARNING => 'LOG_WARNING',
LOG_NOTICE => 'LOG_NOTICE',
LOG_INFO => 'LOG_INFO',
LOG_DEBUG => 'LOG_DEBUG'
);
if($parr[$priority])
return $parr[$priority];
return 'LOG_UNDEFINED';
}
/**
* @brief This is a special logging facility for developers.
*
* It allows one to target specific things to trace/debug and is identical to
* logger() with the exception of the log filename. This allows one to isolate
* specific calls while allowing logger() to paint a bigger picture of overall
* activity and capture more detail.
*
* If you find dlogger() calls in checked in code, you are free to remove them -
* so as to provide a noise-free development environment which responds to events
* you are targetting personally.
*
* @param string $msg Message to log
* @param int $level A log level.
*/
function dlogger($msg, $level = 0) {
// turn off logger in install mode
if(App::$module == 'setup')
return;
$debugging = get_config('system','debugging');
$loglevel = intval(get_config('system','loglevel'));
$logfile = get_config('system','dlogfile');
if((! $debugging) || (! $logfile) || ($level > $loglevel))
return;
$where = '';
if(version_compare(PHP_VERSION, '5.4.0') >= 0) {
$stack = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2);
$where = basename($stack[0]['file']) . ':' . $stack[0]['line'] . ':' . $stack[1]['function'] . ': ';
}
@file_put_contents($logfile, datetime_convert() . ':' . session_id() . ' ' . $where . $msg . PHP_EOL, FILE_APPEND);
}
function profiler($t1,$t2,$label) {
if(file_exists('profiler.out') && $t1 && t2)
@file_put_contents('profiler.out', sprintf('%01.4f %s',$t2 - $t1,$label) . PHP_EOL, FILE_APPEND);
}
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 $s;
// We also get @person@domain.com - which would make
// the regex quite complicated as tags can also
// end a sentence. So we'll run through our results
// and strip the period from any tags which end with one.
// Returns array of tags found, or empty array.
function get_tags($s) {
$ret = array();
$match = array();
// ignore anything in a code block
$s = preg_replace('/\[code\](.*?)\[\/code\]/sm','',$s);
// ignore anything in [style= ]
$s = preg_replace('/\[style=(.*?)\]/sm','',$s);
// ignore anything in [color= ], because it may contain color codes which are mistaken for tags
$s = preg_replace('/\[color=(.*?)\]/sm','',$s);
// match any double quoted tags
if(preg_match_all('/([@#]\"\;.*?\"\;)/',$s,$match)) {
foreach($match[1] as $mtch) {
$ret[] = $mtch;
}
}
// 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.
// The lookbehind is used to prevent a match in the middle of a word
// '=' needs to be avoided because when the replacement is made (in handle_tag()) it has to be ignored there
// Feel free to allow '=' if the issue with '=' is solved in handle_tag()
// added / ? and [ to avoid issues with hashchars in url paths
// added ; to single word tags to allow emojis and other unicode character constructs in bbcode
// (this would actually be &#xnnnnn; but the ampersand will have been escaped to & by the time we see it.)
if(preg_match_all('/(?' . "\r\n";
$o .= "\t\t" . '' . "\r\n";
}
}
return $o;
}
function contact_block() {
$o = '';
if(! App::$profile['uid'])
return;
if(! perm_is_allowed(App::$profile['uid'],get_observer_hash(),'view_contacts'))
return;
$shown = get_pconfig(App::$profile['uid'],'system','display_friend_count');
if($shown === false)
$shown = 25;
if($shown == 0)
return;
$is_owner = ((local_channel() && local_channel() == App::$profile['uid']) ? true : false);
$sql_extra = '';
$abook_flags = " and abook_pending = 0 and abook_self = 0 ";
if(! $is_owner) {
$abook_flags .= " and abook_hidden = 0 ";
$sql_extra = " and xchan_hidden = 0 ";
}
if((! is_array(App::$profile)) || (App::$profile['hide_friends']))
return $o;
$r = q("SELECT COUNT(abook_id) AS total FROM abook left join xchan on abook_xchan = xchan_hash WHERE abook_channel = %d
$abook_flags and xchan_orphan = 0 and xchan_deleted = 0 $sql_extra",
intval(App::$profile['uid'])
);
if(count($r)) {
$total = intval($r[0]['total']);
}
if(! $total) {
$contacts = t('No connections');
$micropro = null;
} else {
$randfunc = db_getfunc('RAND');
$r = q("SELECT abook.*, xchan.* FROM abook left join xchan on abook.abook_xchan = xchan.xchan_hash WHERE abook_channel = %d $abook_flags and abook_archived = 0 and xchan_orphan = 0 and xchan_deleted = 0 $sql_extra ORDER BY $randfunc LIMIT %d",
intval(App::$profile['uid']),
intval($shown)
);
if(count($r)) {
$contacts = t('Connections');
$micropro = Array();
foreach($r as $rr) {
$rr['archived'] = (intval($rr['abook_archived']) ? true : false);
$micropro[] = micropro($rr,true,'mpfriend');
}
}
}
$tpl = get_markup_template('contact_block.tpl');
$o = replace_macros($tpl, array(
'$contacts' => $contacts,
'$nickname' => App::$profile['channel_address'],
'$viewconnections' => (($total > $shown) ? sprintf(t('View all %s connections'),$total) : ''),
'$micropro' => $micropro,
));
$arr = array('contacts' => $r, 'output' => $o);
call_hooks('contact_block_end', $arr);
return $o;
}
function chanlink_hash($s) {
return z_root() . '/chanview?f=&hash=' . urlencode($s);
}
function chanlink_url($s) {
return z_root() . '/chanview?f=&url=' . urlencode($s);
}
function chanlink_cid($d) {
return z_root() . '/chanview?f=&cid=' . intval($d);
}
function magiclink_url($observer,$myaddr,$url) {
return (($observer)
? z_root() . '/magic?f=&dest=' . $url . '&addr=' . $myaddr
: $url
);
}
function micropro($contact, $redirect = false, $class = '', $textmode = false) {
if($contact['click'])
$url = '#';
else
$url = chanlink_hash($contact['xchan_hash']);
return replace_macros(get_markup_template(($textmode)?'micropro_txt.tpl':'micropro_img.tpl'),array(
'$click' => (($contact['click']) ? $contact['click'] : ''),
'$class' => $class . (($contact['archived']) ? ' archived' : ''),
'$url' => $url,
'$photo' => $contact['xchan_photo_s'],
'$name' => $contact['xchan_name'],
'$title' => $contact['xchan_name'] . ' [' . $contact['xchan_addr'] . ']',
));
}
function search($s,$id='search-box',$url='/search',$save = false) {
return replace_macros(get_markup_template('searchbox.tpl'),array(
'$s' => $s,
'$id' => $id,
'$action_url' => z_root() . $url,
'$search_label' => t('Search'),
'$save_label' => t('Save'),
'$savedsearch' => feature_enabled(local_channel(),'savedsearch')
));
}
function searchbox($s,$id='search-box',$url='/search',$save = false) {
return replace_macros(get_markup_template('searchbox.tpl'),array(
'$s' => $s,
'$id' => $id,
'$action_url' => z_root() . '/' . $url,
'$search_label' => t('Search'),
'$save_label' => t('Save'),
'$savedsearch' => feature_enabled(local_channel(),'savedsearch')
));
}
function valid_email_regex($x){
if(preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/',$x))
return true;
return false;
}
function valid_email($x){
if(get_config('system','disable_email_validation'))
return true;
return valid_email_regex($x);
}
/**
* @brief Replace naked text hyperlink with HTML formatted hyperlink.
*
* @param string $s
* @param boolean $me (optional) default false
* @return string
*/
function linkify($s, $me = false) {
$s = preg_replace("/(https?\:\/\/[a-zA-Z0-9\:\/\-\?\&\;\.\=\_\@\~\#\'\%\$\!\+\,\@]*)/", (($me) ? ' $1' : ' $1'), $s);
$s = preg_replace("/\<(.*?)(src|href)=(.*?)\&\;(.*?)\>/ism",'<$1$2=$3&$4>',$s);
return($s);
}
/**
* @brief Replace media element using http url with https to a local redirector
* if using https locally.
*
* Looks for HTML tags containing src elements that are http when we're viewing an https page
* Typically this throws an insecure content violation in the browser. So we redirect them
* to a local redirector which uses https and which redirects to the selected content
*
* @param string $s
* @returns string
*/
function sslify($s) {
if (strpos(z_root(),'https:') === false)
return $s;
// By default we'll only sslify img tags because media files will probably choke.
// You can set sslify_everything if you want - but it will likely white-screen if it hits your php memory limit.
// The downside is that http: media files will likely be blocked by your browser
// Complain to your browser maker
$allow = get_config('system','sslify_everything');
$pattern = (($allow) ? "/\<(.*?)src=\"(http\:.*?)\"(.*?)\>/" : "/\/" );
$matches = null;
$cnt = preg_match_all($pattern,$s,$matches,PREG_SET_ORDER);
if ($cnt) {
foreach ($matches as $match) {
$filename = basename( parse_url($match[2], PHP_URL_PATH) );
$s = str_replace($match[2],z_root() . '/sslify/' . $filename . '?f=&url=' . urlencode($match[2]),$s);
}
}
return $s;
}
function get_poke_verbs() {
// index is present tense verb
// value is array containing past tense verb, translation of present, translation of past
if(get_config('system','poke_basic')) {
$arr = array(
'poke' => array( 'poked', t('poke'), t('poked')),
);
}
else {
$arr = array(
'poke' => array( 'poked', t('poke'), t('poked')),
'ping' => array( 'pinged', t('ping'), t('pinged')),
'prod' => array( 'prodded', t('prod'), t('prodded')),
'slap' => array( 'slapped', t('slap'), t('slapped')),
'finger' => array( 'fingered', t('finger'), t('fingered')),
'rebuff' => array( 'rebuffed', t('rebuff'), t('rebuffed')),
);
call_hooks('poke_verbs', $arr);
}
return $arr;
}
function get_mood_verbs() {
$arr = array(
'happy' => t('happy'),
'sad' => t('sad'),
'mellow' => t('mellow'),
'tired' => t('tired'),
'perky' => t('perky'),
'angry' => t('angry'),
'stupefied' => t('stupefied'),
'puzzled' => t('puzzled'),
'interested' => t('interested'),
'bitter' => t('bitter'),
'cheerful' => t('cheerful'),
'alive' => t('alive'),
'annoyed' => t('annoyed'),
'anxious' => t('anxious'),
'cranky' => t('cranky'),
'disturbed' => t('disturbed'),
'frustrated' => t('frustrated'),
'depressed' => t('depressed'),
'motivated' => t('motivated'),
'relaxed' => t('relaxed'),
'surprised' => t('surprised'),
);
call_hooks('mood_verbs', $arr);
return $arr;
}
// Function to list all smilies, both internal and from addons
// Returns array with keys 'texts' and 'icons'
function list_smilies() {
$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',
':like',
':dislike',
':hubzilla'
);
$icons = array(
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
'',
);
$x = get_config('feature','emoji');
if($x === false)
$x = 1;
if($x) {
if(! App::$emojitab)
App::$emojitab = json_decode(file_get_contents('library/emoji.json'),true);
foreach(App::$emojitab as $e) {
if(strpos($e['shortname'],':tone') === 0)
continue;
$texts[] = $e['shortname'];
$icons[] = '';
}
}
$params = array('texts' => $texts, 'icons' => $icons);
call_hooks('smilie', $params);
return $params;
}
/**
* @brief Replaces text emoticons with graphical images.
*
* It is expected that this function will be called using HTML text.
* We will escape text between HTML pre and code blocks, and HTML attributes
* (such as urls) 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.
*
* @param string $s
* @param boolean $sample (optional) default false
* @return string
*/
function smilies($s, $sample = false) {
if(intval(get_config('system', 'no_smilies'))
|| (local_channel() && intval(get_pconfig(local_channel(), 'system', 'no_smilies'))))
return $s;
$s = preg_replace_callback('{<(pre|code)>.*?}ism', 'smile_shield', $s);
$s = preg_replace_callback('/<[a-z]+ .*?>/ism', 'smile_shield', $s);
$params = list_smilies();
$params['string'] = $s;
if ($sample) {
$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)
',
' . '/images/like.gif)
',
' . '/images/dislike.gif)
',
' . '/images/hz-16.png)
',
);
$x = get_config('feature','emoji');
if($x === false)
$x = 1;
if($x) {
if(! App::$emojitab)
App::$emojitab = json_decode(file_get_contents('library/emoji.json'),true);
foreach(App::$emojitab as $e) {
if(strpos($e['shortname'],':tone') === 0)
continue;
$texts[] = $e['shortname'];
$icons[] = '![' . $e['name'] . '](images/emoji/' . $e['unicode'] . '.png' . '){kind=small}
';
}
}
$params = array('texts' => $texts, 'icons' => $icons);
call_hooks('smilie', $params);
return $params;
}
/**
* @brief Replaces text emoticons with graphical images.
*
* It is expected that this function will be called using HTML text.
* We will escape text between HTML pre and code blocks, and HTML attributes
* (such as urls) 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.
*
* @param string $s
* @param boolean $sample (optional) default false
* @return string
*/
function smilies($s, $sample = false) {
if(intval(get_config('system', 'no_smilies'))
|| (local_channel() && intval(get_pconfig(local_channel(), 'system', 'no_smilies'))))
return $s;
$s = preg_replace_callback('{<(pre|code)>.*?}ism', 'smile_shield', $s);
$s = preg_replace_callback('/<[a-z]+ .*?>/ism', 'smile_shield', $s);
$params = list_smilies();
$params['string'] = $s;
if ($sample) {
$s = ') . ')
' . $s;
}
// if original photo width is > 640px make it a cover photo
if($object['link'][0]['width'] && $object['link'][0]['width'] > 640) {
$scale = ((($object['link'][1]['width'] == 1024) || ($object['link'][1]['height'] == 1024)) ? 1 : 0);
$photo = ') . ')
';
}
}
$s .= prepare_text($item['body'],$item['mimetype'], false);
$event = (($item['obj_type'] === ACTIVITY_OBJ_EVENT) ? format_event_obj($item['obj']) : false);
$prep_arr = array(
'item' => $item,
'html' => $event ? $event['content'] : $s,
'event' => $event['header'],
'photo' => $photo
);
call_hooks('prepare_body', $prep_arr);
$s = $prep_arr['html'];
$photo = $prep_arr['photo'];
$event = $prep_arr['event'];
// q("update item set html = '%s' where id = %d",
// dbesc($s),
// intval($item['id'])
// );
if(! $attach) {
return $s;
}
if(strpos($s,'