<?php /** * @file include/text.php */ use Friendica\App; use Friendica\Content\ContactSelector; use Friendica\Content\Feature; use Friendica\Content\Smilies; use Friendica\Content\Text\BBCode; use Friendica\Core\Addon; use Friendica\Core\Config; use Friendica\Core\L10n; use Friendica\Core\PConfig; use Friendica\Core\Protocol; use Friendica\Core\System; use Friendica\Database\DBA; use Friendica\Model\Contact; use Friendica\Model\Event; use Friendica\Model\Item; use Friendica\Render\FriendicaSmarty; use Friendica\Util\DateTimeFormat; use Friendica\Util\Map; use Friendica\Util\Proxy as ProxyUtils; use Friendica\Core\Logger; use Friendica\Core\Renderer; use Friendica\Model\FileTag; use Friendica\Util\XML; use Friendica\Content\Text\HTML; require_once "include/conversation.php"; /** * @brief Generates a pseudo-random string of hexadecimal characters * * @param int $size * @return string */ function random_string($size = 64) { $byte_size = ceil($size / 2); $bytes = random_bytes($byte_size); $return = substr(bin2hex($bytes), 0, $size); return $return; } /** * 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(["<", ">"], ['[', ']'], $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); } /** * 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 = ['a','a','ai','au','e','e','e','ee','ea','i','ie','o','ou','u']; if (mt_rand(0, 5) == 4) { $vowels[] = 'y'; } $cons = [ '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 = ['ck','ct','gn','ld','lf','lm','lt','mb','mm', 'mn','mp', 'nd','ng','nk','nt','rn','rp','rt']; $noend = ['bl', 'br', 'cl','cr','dr','fl','fr','gl','gr', 'kh', 'kl','kr','mn','pl','pr','rh','tr','qu','wh','q']; $start = mt_rand(0,2); if ($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) { $noelen = strlen($noe); if ((strlen($word) > $noelen) && (substr($word, -$noelen) == $noe)) { $word = autoname($len); break; } } return $word; } /** * Turn user/group ACLs stored as angle bracketed text into arrays * * @param string $s * @return array */ function expand_acl($s) { // turn string array of angle-bracketed elements into numeric array // e.g. "<1><2><3>" => array(1,2,3); $ret = []; if (strlen($s)) { $t = str_replace('<', '', $s); $a = explode('>', $t); foreach ($a as $aa) { if (intval($aa)) { $ret[] = intval($aa); } } } return $ret; } /** * Wrap ACL elements in angle brackets for storage * @param string $item */ function sanitise_acl(&$item) { if (intval($item)) { $item = '<' . intval(notags(trim($item))) . '>'; } else { unset($item); } } /** * Convert an ACL array to a storable string * * Normally ACL permissions will be an array. * We'll also allow a comma-separated string. * * @param string|array $p * @return string */ function perms2str($p) { $ret = ''; if (is_array($p)) { $tmp = $p; } else { $tmp = explode(',', $p); } if (is_array($tmp)) { array_walk($tmp, 'sanitise_acl'); $ret = implode('', $tmp); } return $ret; } /** * 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 * * @param string $attr attribute value * @param string $s string to search * @return boolean True if found, False otherwise */ function attribute_contains($attr, $s) { $a = explode(' ', $attr); return (count($a) && in_array($s,$a)); } /** * Compare activity uri. Knows about activity namespace. * * @param string $haystack * @param string $needle * @return boolean */ function activity_match($haystack,$needle) { return (($haystack === $needle) || ((basename($needle) === $haystack) && strstr($needle, NAMESPACE_ACTIVITY_SCHEMA))); } /** * @brief Pull out all #hashtags and @person tags from $string. * * 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. * * @param string $string Post content * @return array List of tag and person names */ function get_tags($string) { $ret = []; // Convert hashtag links to hashtags $string = preg_replace('/#\[url\=([^\[\]]*)\](.*?)\[\/url\]/ism', '#$2', $string); // ignore anything in a code block $string = preg_replace('/\[code\](.*?)\[\/code\]/sm', '', $string); // Force line feeds at bbtags $string = str_replace(['[', ']'], ["\n[", "]\n"], $string); // ignore anything in a bbtag $string = preg_replace('/\[(.*?)\]/sm', '', $string); // Match full names against @tags including the space between first and last // We will look these up afterward to see if they are full names or not recognisable. if (preg_match_all('/(@[^ \x0D\x0A,:?]+ [^ \x0D\x0A@,:?]+)([ \x0D\x0A@,:?]|$)/', $string, $matches)) { foreach ($matches[1] as $match) { if (strstr($match, ']')) { // we might be inside a bbcode color tag - leave it alone continue; } if (substr($match, -1, 1) === '.') { $ret[] = substr($match, 0, -1); } else { $ret[] = $match; } } } // Otherwise pull out single word tags. These can be @nickname, @first_last // and #hash tags. if (preg_match_all('/([!#@][^\^ \x0D\x0A,;:?]+)([ \x0D\x0A,;:?]|$)/', $string, $matches)) { foreach ($matches[1] as $match) { if (strstr($match, ']')) { // we might be inside a bbcode color tag - leave it alone continue; } if (substr($match, -1, 1) === '.') { $match = substr($match,0,-1); } // ignore strictly numeric tags like #1 if ((strpos($match, '#') === 0) && ctype_digit(substr($match, 1))) { continue; } // try not to catch url fragments if (strpos($string, $match) && preg_match('/[a-zA-z0-9\/]/', substr($string, strpos($string, $match) - 1, 1))) { continue; } $ret[] = $match; } } return $ret; } /** * quick and dirty quoted_printable encoding * * @param string $s * @return string */ function qp($s) { return str_replace("%", "=", rawurlencode($s)); } /** * @brief Check for a valid email string * * @param string $email_address * @return boolean */ function valid_email($email_address) { return preg_match('/^[_a-zA-Z0-9\-\+]+(\.[_a-zA-Z0-9\-\+]+)*@[a-zA-Z0-9-]+(\.[a-zA-Z0-9-]+)+$/', $email_address); } /** * Load poke verbs * * @return array index is present tense verb * value is array containing past tense verb, translation of present, translation of past * @hook poke_verbs pokes array */ function get_poke_verbs() { // index is present tense verb // value is array containing past tense verb, translation of present, translation of past $arr = [ 'poke' => ['poked', L10n::t('poke'), L10n::t('poked')], 'ping' => ['pinged', L10n::t('ping'), L10n::t('pinged')], 'prod' => ['prodded', L10n::t('prod'), L10n::t('prodded')], 'slap' => ['slapped', L10n::t('slap'), L10n::t('slapped')], 'finger' => ['fingered', L10n::t('finger'), L10n::t('fingered')], 'rebuff' => ['rebuffed', L10n::t('rebuff'), L10n::t('rebuffed')], ]; Addon::callHooks('poke_verbs', $arr); return $arr; } /** * @brief Translate days and months names. * * @param string $s String with day or month name. * @return string Translated string. */ function day_translate($s) { $ret = str_replace(['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'], [L10n::t('Monday'), L10n::t('Tuesday'), L10n::t('Wednesday'), L10n::t('Thursday'), L10n::t('Friday'), L10n::t('Saturday'), L10n::t('Sunday')], $s); $ret = str_replace(['January','February','March','April','May','June','July','August','September','October','November','December'], [L10n::t('January'), L10n::t('February'), L10n::t('March'), L10n::t('April'), L10n::t('May'), L10n::t('June'), L10n::t('July'), L10n::t('August'), L10n::t('September'), L10n::t('October'), L10n::t('November'), L10n::t('December')], $ret); return $ret; } /** * @brief Translate short days and months names. * * @param string $s String with short day or month name. * @return string Translated string. */ function day_short_translate($s) { $ret = str_replace(['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun'], [L10n::t('Mon'), L10n::t('Tue'), L10n::t('Wed'), L10n::t('Thu'), L10n::t('Fri'), L10n::t('Sat'), L10n::t('Sun')], $s); $ret = str_replace(['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul', 'Aug', 'Sep', 'Oct', 'Nov','Dec'], [L10n::t('Jan'), L10n::t('Feb'), L10n::t('Mar'), L10n::t('Apr'), L10n::t('May'), ('Jun'), L10n::t('Jul'), L10n::t('Aug'), L10n::t('Sep'), L10n::t('Oct'), L10n::t('Nov'), L10n::t('Dec')], $ret); return $ret; } /** * Normalize url * * @param string $url * @return string */ function normalise_link($url) { $ret = str_replace(['https:', '//www.'], ['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. * * @param string $a first url * @param string $b second url * @return boolean True if the URLs match, otherwise False * */ function link_compare($a, $b) { return (strcasecmp(normalise_link($a), normalise_link($b)) === 0); } /** * @brief Find any non-embedded images in private items and add redir links to them * * @param App $a * @param array &$item The field array of an item row */ function redir_private_images($a, &$item) { $matches = false; $cnt = preg_match_all('|\[img\](http[^\[]*?/photo/[a-fA-F0-9]+?(-[0-9]\.[\w]+?)?)\[\/img\]|', $item['body'], $matches, PREG_SET_ORDER); if ($cnt) { foreach ($matches as $mtch) { if (strpos($mtch[1], '/redir') !== false) { continue; } if ((local_user() == $item['uid']) && ($item['private'] == 1) && ($item['contact-id'] != $a->contact['id']) && ($item['network'] == Protocol::DFRN)) { $img_url = 'redir?f=1&quiet=1&url=' . urlencode($mtch[1]) . '&conurl=' . urlencode($item['author-link']); $item['body'] = str_replace($mtch[0], '[img]' . $img_url . '[/img]', $item['body']); } } } } /** * Sets the "rendered-html" field of the provided item * * Body is preserved to avoid side-effects as we modify it just-in-time for spoilers and private image links * * @param array $item * @param bool $update * * @todo Remove reference, simply return "rendered-html" and "rendered-hash" */ function put_item_in_cache(&$item, $update = false) { $body = $item["body"]; $rendered_hash = defaults($item, 'rendered-hash', ''); $rendered_html = defaults($item, 'rendered-html', ''); if ($rendered_hash == '' || $rendered_html == "" || $rendered_hash != hash("md5", $item["body"]) || Config::get("system", "ignore_cache") ) { $a = get_app(); redir_private_images($a, $item); $item["rendered-html"] = prepare_text($item["body"]); $item["rendered-hash"] = hash("md5", $item["body"]); $hook_data = ['item' => $item, 'rendered-html' => $item['rendered-html'], 'rendered-hash' => $item['rendered-hash']]; Addon::callHooks('put_item_in_cache', $hook_data); $item['rendered-html'] = $hook_data['rendered-html']; $item['rendered-hash'] = $hook_data['rendered-hash']; unset($hook_data); // Force an update if the generated values differ from the existing ones if ($rendered_hash != $item["rendered-hash"]) { $update = true; } // Only compare the HTML when we forcefully ignore the cache if (Config::get("system", "ignore_cache") && ($rendered_html != $item["rendered-html"])) { $update = true; } if ($update && !empty($item["id"])) { Item::update(['rendered-html' => $item["rendered-html"], 'rendered-hash' => $item["rendered-hash"]], ['id' => $item["id"]]); } } $item["body"] = $body; } /** * @brief 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. * * @param array $item * @param boolean $attach * @param boolean $is_preview * @return string item body html * @hook prepare_body_init item array before any work * @hook prepare_body_content_filter ('item'=>item array, 'filter_reasons'=>string array) before first bbcode to html * @hook prepare_body ('item'=>item array, 'html'=>body string, 'is_preview'=>boolean, 'filter_reasons'=>string array) after first bbcode to html * @hook prepare_body_final ('item'=>item array, 'html'=>body string) after attach icons and blockquote special case handling (spoiler, author) */ function prepare_body(array &$item, $attach = false, $is_preview = false) { $a = get_app(); Addon::callHooks('prepare_body_init', $item); // In order to provide theme developers more possibilities, event items // are treated differently. if ($item['object-type'] === ACTIVITY_OBJ_EVENT && isset($item['event-id'])) { $ev = Event::getItemHTML($item); return $ev; } $tags = \Friendica\Model\Term::populateTagsFromItem($item); $item['tags'] = $tags['tags']; $item['hashtags'] = $tags['hashtags']; $item['mentions'] = $tags['mentions']; // Compile eventual content filter reasons $filter_reasons = []; if (!$is_preview && public_contact() != $item['author-id']) { if (!empty($item['content-warning']) && (!local_user() || !PConfig::get(local_user(), 'system', 'disable_cw', false))) { $filter_reasons[] = L10n::t('Content warning: %s', $item['content-warning']); } $hook_data = [ 'item' => $item, 'filter_reasons' => $filter_reasons ]; Addon::callHooks('prepare_body_content_filter', $hook_data); $filter_reasons = $hook_data['filter_reasons']; unset($hook_data); } // Update the cached values if there is no "zrl=..." on the links. $update = (!local_user() && !remote_user() && ($item["uid"] == 0)); // Or update it if the current viewer is the intented viewer. if (($item["uid"] == local_user()) && ($item["uid"] != 0)) { $update = true; } put_item_in_cache($item, $update); $s = $item["rendered-html"]; $hook_data = [ 'item' => $item, 'html' => $s, 'preview' => $is_preview, 'filter_reasons' => $filter_reasons ]; Addon::callHooks('prepare_body', $hook_data); $s = $hook_data['html']; unset($hook_data); if (!$attach) { // Replace the blockquotes with quotes that are used in mails. $mailquote = '<blockquote type="cite" class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">'; $s = str_replace(['<blockquote>', '<blockquote class="spoiler">', '<blockquote class="author">'], [$mailquote, $mailquote, $mailquote], $s); return $s; } $as = ''; $vhead = false; $matches = []; preg_match_all('|\[attach\]href=\"(.*?)\" length=\"(.*?)\" type=\"(.*?)\"(?: title=\"(.*?)\")?|', $item['attach'], $matches, PREG_SET_ORDER); foreach ($matches as $mtch) { $mime = $mtch[3]; $the_url = Contact::magicLinkById($item['author-id'], $mtch[1]); if (strpos($mime, 'video') !== false) { if (!$vhead) { $vhead = true; $a->page['htmlhead'] .= Renderer::replaceMacros(Renderer::getMarkupTemplate('videos_head.tpl'), [ '$baseurl' => System::baseUrl(), ]); } $url_parts = explode('/', $the_url); $id = end($url_parts); $as .= Renderer::replaceMacros(Renderer::getMarkupTemplate('video_top.tpl'), [ '$video' => [ 'id' => $id, 'title' => L10n::t('View Video'), 'src' => $the_url, 'mime' => $mime, ], ]); } $filetype = strtolower(substr($mime, 0, strpos($mime, '/'))); if ($filetype) { $filesubtype = strtolower(substr($mime, strpos($mime, '/') + 1)); $filesubtype = str_replace('.', '-', $filesubtype); } else { $filetype = 'unkn'; $filesubtype = 'unkn'; } $title = escape_tags(trim(!empty($mtch[4]) ? $mtch[4] : $mtch[1])); $title .= ' ' . $mtch[2] . ' ' . L10n::t('bytes'); $icon = '<div class="attachtype icon s22 type-' . $filetype . ' subtype-' . $filesubtype . '"></div>'; $as .= '<a href="' . strip_tags($the_url) . '" title="' . $title . '" class="attachlink" target="_blank" >' . $icon . '</a>'; } if ($as != '') { $s .= '<div class="body-attach">'.$as.'<div class="clear"></div></div>'; } // Map. if (strpos($s, '<div class="map">') !== false && x($item, 'coord')) { $x = Map::byCoordinates(trim($item['coord'])); if ($x) { $s = preg_replace('/\<div class\=\"map\"\>/', '$0' . $x, $s); } } // 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 . '" class="spoiler-wrap fakelink" onclick="openClose(\'spoiler-' . $rnd . '\');">' . L10n::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 . '" class="author-wrap fakelink" onclick="openClose(\'author-' . $rnd . '\');">' . L10n::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)); } // Replace friendica image url size with theme preference. if (x($a->theme_info, 'item_image_size')){ $ps = $a->theme_info['item_image_size']; $s = preg_replace('|(<img[^>]+src="[^"]+/photo/[0-9a-f]+)-[0-9]|', "$1-" . $ps, $s); } $s = HTML::applyContentFilter($s, $filter_reasons); $hook_data = ['item' => $item, 'html' => $s]; Addon::callHooks('prepare_body_final', $hook_data); return $hook_data['html']; } /** * @brief Given a text string, convert from bbcode to html and add smilie icons. * * @param string $text String with bbcode. * @return string Formattet HTML. */ function prepare_text($text) { if (stristr($text, '[nosmile]')) { $s = BBCode::convert($text); } else { $s = Smilies::replace(BBCode::convert($text)); } return trim($s); } /** * return array with details for categories and folders for an item * * @param array $item * @return array * * [ * [ // categories array * { * 'name': 'category name', * 'removeurl': 'url to remove this category', * 'first': 'is the first in this array? true/false', * 'last': 'is the last in this array? true/false', * } , * .... * ], * [ //folders array * { * 'name': 'folder name', * 'removeurl': 'url to remove this folder', * 'first': 'is the first in this array? true/false', * 'last': 'is the last in this array? true/false', * } , * .... * ] * ] */ function get_cats_and_terms($item) { $categories = []; $folders = []; $matches = false; $first = true; $cnt = preg_match_all('/<(.*?)>/', $item['file'], $matches, PREG_SET_ORDER); if ($cnt) { foreach ($matches as $mtch) { $categories[] = [ 'name' => XML::escape(FileTag::decode($mtch[1])), 'url' => "#", 'removeurl' => ((local_user() == $item['uid'])?'filerm/' . $item['id'] . '?f=&cat=' . XML::escape(FileTag::decode($mtch[1])):""), 'first' => $first, 'last' => false ]; $first = false; } } if (count($categories)) { $categories[count($categories) - 1]['last'] = true; } if (local_user() == $item['uid']) { $matches = false; $first = true; $cnt = preg_match_all('/\[(.*?)\]/', $item['file'], $matches, PREG_SET_ORDER); if ($cnt) { foreach ($matches as $mtch) { $folders[] = [ 'name' => XML::escape(FileTag::decode($mtch[1])), 'url' => "#", 'removeurl' => ((local_user() == $item['uid']) ? 'filerm/' . $item['id'] . '?f=&term=' . XML::escape(FileTag::decode($mtch[1])) : ""), 'first' => $first, 'last' => false ]; $first = false; } } } if (count($folders)) { $folders[count($folders) - 1]['last'] = true; } return [$categories, $folders]; } /** * get private link for item * @param array $item * @return boolean|array False if item has not plink, otherwise array('href'=>plink url, 'title'=>translated title) */ function get_plink($item) { $a = get_app(); if ($a->user['nickname'] != "") { $ret = [ //'href' => "display/" . $a->user['nickname'] . "/" . $item['id'], 'href' => "display/" . $item['guid'], 'orig' => "display/" . $item['guid'], 'title' => L10n::t('View on separate page'), 'orig_title' => L10n::t('view on separate page'), ]; if (x($item, 'plink')) { $ret["href"] = $a->removeBaseURL($item['plink']); $ret["title"] = L10n::t('link to source'); } } elseif (x($item, 'plink') && ($item['private'] != 1)) { $ret = [ 'href' => $item['plink'], 'orig' => $item['plink'], 'title' => L10n::t('link to source'), ]; } else { $ret = []; } return $ret; } /** * return number of bytes in size (K, M, G) * @param string $size_str * @return number */ function return_bytes($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; } } /** * @param string $s * @param boolean $strip_padding * @return string */ function base64url_encode($s, $strip_padding = false) { $s = strtr(base64_encode($s), '+/', '-_'); if ($strip_padding) { $s = str_replace('=','',$s); } return $s; } /** * @param string $s * @return string */ function base64url_decode($s) { if (is_array($s)) { Logger::log('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,'-_','+/')); } 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; } /** * get translated item type * * @param array $itme * @return string */ function item_post_type($item) { if (!empty($item['event-id'])) { return L10n::t('event'); } elseif (!empty($item['resource-id'])) { return L10n::t('photo'); } elseif (!empty($item['verb']) && $item['verb'] !== ACTIVITY_POST) { return L10n::t('activity'); } elseif ($item['id'] != $item['parent']) { return L10n::t('comment'); } return L10n::t('post'); } function normalise_openid($s) { return trim(str_replace(['http://', 'https://'], ['', ''], $s), '/'); } function undo_post_tagging($s) { $matches = null; $cnt = preg_match_all('/([!#@])\[url=(.*?)\](.*?)\[\/url\]/ism', $s, $matches, PREG_SET_ORDER); if ($cnt) { foreach ($matches as $mtch) { if (in_array($mtch[1], ['!', '@'])) { $contact = Contact::getDetailsByURL($mtch[2]); $mtch[3] = empty($contact['addr']) ? $mtch[2] : $contact['addr']; } $s = str_replace($mtch[0], $mtch[1] . $mtch[3],$s); } } return $s; } function protect_sprintf($s) { return str_replace('%', '%%', $s); } /// @TODO Rewrite this function is_a_date_arg($s) { $i = intval($s); if ($i > 1900) { $y = date('Y'); if ($i <= $y + 1 && strpos($s, '-') == 4) { $m = intval(substr($s, 5)); if ($m > 0 && $m <= 12) { return true; } } } return false; } /** * remove intentation from a text */ function deindent($text, $chr = "[\t ]", $count = NULL) { $lines = explode("\n", $text); if (is_null($count)) { $m = []; $k = 0; while ($k < count($lines) && strlen($lines[$k]) == 0) { $k++; } preg_match("|^" . $chr . "*|", $lines[$k], $m); $count = strlen($m[0]); } for ($k = 0; $k < count($lines); $k++) { $lines[$k] = preg_replace("|^" . $chr . "{" . $count . "}|", "", $lines[$k]); } return implode("\n", $lines); } function formatBytes($bytes, $precision = 2) { $units = ['B', 'KB', 'MB', 'GB', 'TB']; $bytes = max($bytes, 0); $pow = floor(($bytes ? log($bytes) : 0) / log(1024)); $pow = min($pow, count($units) - 1); $bytes /= pow(1024, $pow); return round($bytes, $precision) . ' ' . $units[$pow]; } /** * @brief translate and format the networkname of a contact * * @param string $network * Networkname of the contact (e.g. dfrn, rss and so on) * @param sting $url * The contact url * @return string */ function format_network_name($network, $url = 0) { if ($network != "") { if ($url != "") { $network_name = '<a href="'.$url.'">'.ContactSelector::networkToName($network, $url)."</a>"; } else { $network_name = ContactSelector::networkToName($network); } return $network_name; } }