use Friendica\Core\Logger;
use Friendica\Core\Renderer;
use Friendica\Model\FileTag;
+use Friendica\Util\Strings;
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 $word;
-}
-
/**
* Turn user/group ACLs stored as angle bracketed text into arrays
*
*/
function sanitise_acl(&$item) {
if (intval($item)) {
- $item = '<' . intval(notags(trim($item))) . '>';
+ $item = '<' . intval(Strings::escapeTags(trim($item))) . '>';
} else {
unset($item);
}
return (($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 $ret;
-}
-
-
/**
* quick and dirty quoted_printable encoding
*
return str_replace("%", "=", rawurlencode($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);
-}
-
-/**
- * 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($b)) === 0);
-}
-
-
/**
* @brief Find any non-embedded images in private items and add redir links to them
*
return [$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
}
}
-/**
- * @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;
return $s;
}
-function normalise_openid($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);
return $s;
}
-function protect_sprintf($s) {
- return str_replace('%', '%%', $s);
-}
-
/// @TODO Rewrite this
function is_a_date_arg($s) {
$i = intval($s);
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;
- }
-}
projects / friendica.git / blobdiff