replace)
*
* @return string substituted string
*/
function replace_macros($template, $map)
{
$arr = [
'template' => $template,
'params' => $map,
];
/**
* @hooks replace_macros
* * \e string \b template
* * \e array \b params
*/
Hook::call('replace_macros', $arr);
$t = App::template_engine();
try {
$output = $t->replace_macros($arr['template'], $arr['params']);
} catch (Exception $e) {
btlogger("Unable to render template: " . $e->getMessage());
$output = "
';
for ($x = 0; $x < count($params['texts']); $x++) {
$s .= '
' . $params['texts'][$x] . ' ' . $params['icons'][$x] . ' ';
}
} else {
$params['string'] = preg_replace_callback('/<(3+)/', 'preg_heart', $params['string']);
$s = str_replace($params['texts'], $params['icons'], $params['string']);
}
$s = preg_replace_callback('//ism', 'smile_unshield', $s);
return $s;
}
/**
* @brief
*
* @param array $m
* @return string
*/
function smile_shield($m)
{
return '';
}
function smile_unshield($m)
{
return base64special_decode($m[1]);
}
/**
* @brief Expand <3333 to the correct number of hearts.
*
* @param array $x
*/
function preg_heart($x)
{
if (strlen($x[1]) == 1) {
return $x[0];
}
$t = '';
for ($cnt = 0; $cnt < strlen($x[1]); $cnt++) {
$t .= '
';
}
$r = str_replace($x[0], $t, $x[0]);
return $r;
}
function day_translate($s)
{
$ret = str_replace(
['Monday','Tuesday','Wednesday','Thursday','Friday','Saturday','Sunday'],
[t('Monday'), t('Tuesday'), t('Wednesday'), t('Thursday'), t('Friday'), t('Saturday'), t('Sunday')],
$s
);
$ret = str_replace(
['January','February','March','April','May','June','July','August','September','October','November','December'],
[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;
}
/**
* @brief normalises a string.
*
* @param string $url
* @return string
*/
function normalise_link($url)
{
$ret = str_replace(['https:', '//www.'], ['http:', '//'], $url);
return(rtrim($ret, '/'));
}
/**
* @brief 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.
*
* @see normalise_link()
*
* @param string $a
* @param string $b
* @return bool
*/
function link_compare($a, $b)
{
if (strcasecmp(normalise_link($a), normalise_link($b)) === 0) {
return true;
}
return false;
}
// Given an item array, convert the body element from bbcode to html and add smilie icons.
// If attach is true, also add icons for item attachments
function unobscure($item)
{
return;
}
function unobscure_mail(&$item)
{
if (array_key_exists('mail_obscured', $item) && intval($item['mail_obscured'])) {
if ($item['title']) {
$item['title'] = base64url_decode(str_rot47($item['title']));
}
if ($item['body']) {
$item['body'] = base64url_decode(str_rot47($item['body']));
}
}
}
function theme_attachments($item)
{
$s = EMPTY_STR;
$arr = json_decode($item['attach'], true);
if (is_array($arr) && count($arr)) {
$attaches = [];
foreach ($arr as $r) {
$label = EMPTY_STR;
$icon = getIconFromType($r['type'] ?? 'application/octet-stream');
if (isset($r['title']) && $r['title']) {
$label = urldecode(htmlspecialchars($r['title'], ENT_COMPAT, 'UTF-8'));
}
if (isset($r['name']) && $r['name']) {
$label = urldecode(htmlspecialchars($r['name'], ENT_COMPAT, 'UTF-8'));
}
if (isset($r['href']) && $r['href']) {
$m = parse_url($r['href']);
}
if (! $label) {
if (isset($r['href']) && $r['href']) {
if (isset($m) && $m && $m['path']) {
$label = basename($m['path']);
}
}
}
// some feeds provide an attachment where title is an empty space
if (! trim($label)) {
$label = t('Unknown Attachment');
}
$title = t('Size') . ' ' . ((isset($r['length']) && $r['length']) ? userReadableSize($r['length']) : t('unknown'));
if (! (isset($r['href']))) {
continue;
}
if (isset($m) && $m && $m['scheme'] === 'data') {
continue;
}
if (Channel::is_foreigner($item['author_xchan'])) {
$url = $r['href'];
} else {
$url = z_root() . '/magic?f=&owa=1&hash=' . $item['author_xchan'] . '&bdest=' . bin2hex($r['href'] . ((isset($r['revision']) ? '/' . $r['revision'] : '')));
}
$attaches[] = [
'label' => $label,
'url' => $url,
'icon' => $icon,
'title' => $title
];
}
$s = replace_macros(Theme::get_template('item_attach.tpl'), [
'$attaches' => $attaches
]);
}
return $s;
}
function format_categories($item, $writeable)
{
$s = EMPTY_STR;
if (! (isset($item['term']) && $item['term'])) {
return $s;
}
$terms = get_terms_oftype($item['term'], TERM_CATEGORY);
if ($terms) {
$categories = [];
foreach ($terms as $t) {
$term = htmlspecialchars($t['term'], ENT_COMPAT, 'UTF-8', false) ;
if (! trim($term)) {
continue;
}
$removelink = (($writeable) ? z_root() . '/filerm/' . $item['id'] . '?f=&cat=' . urlencode($t['term']) : '');
$categories[] = ['term' => $term, 'writeable' => $writeable, 'removelink' => $removelink, 'url' => zid($t['url'])];
}
$s = replace_macros(Theme::get_template('item_categories.tpl'), [
'$remove' => t('remove category'),
'$categories' => $categories
]);
}
return $s;
}
/**
* @brief Add any hashtags which weren't mentioned in the message body, e.g. community tags
*
* @param[in] array &$item
* @return string HTML link of hashtag
*/
function format_hashtags($item)
{
$s = '';
if (! isset($item['term'])) {
return $s;
}
$terms = get_terms_oftype($item['term'], [TERM_HASHTAG,TERM_COMMUNITYTAG]);
if ($terms) {
foreach ($terms as $t) {
$term = htmlspecialchars($t['term'], ENT_COMPAT, 'UTF-8', false) ;
if (! trim($term)) {
continue;
}
// Pleroma uses example.com/tags/xxx in the taglist but example.com/tag/xxx in the body. Possibly a bug because one of these leads to
// an error page, but it messes up our detection of whether the tag was already present in the body.
if ($t['url'] && ((stripos($item['body'], $t['url']) !== false) || (stripos($item['body'], str_replace('/tags/', '/tag/', $t['url']))))) {
continue;
}
if ($s) {
$s .= ' ';
}
$s .= '
' . $term . ' ';
}
}
return $s;
}
function format_mentions($item)
{
$s = EMPTY_STR;
$pref = intval(PConfig::Get($item['uid'], 'system', 'tag_username', Config::Get('system', 'tag_username', false)));
// hide "auto mentions" by default - this hidden pref let's you display them.
$show = intval(PConfig::Get($item['uid'], 'system', 'show_auto_mentions', false));
if ((! $show) && (! $item['resource_type'])) {
return $s;
}
if ($pref === 127) {
return $s;
}
if (! (isset($item['term']) && is_array($item['term']) && $item['term'])) {
return $s;
}
$terms = get_terms_oftype($item['term'], TERM_MENTION);
if ($terms) {
foreach ($terms as $t) {
$term = htmlspecialchars($t['term'], ENT_COMPAT, 'UTF-8', false) ;
if (! trim($term)) {
continue;
}
if ($t['url'] && stripos($item['body'], $t['url']) !== false) {
continue;
}
// some platforms put the identity url into href rather than the profile url. Accept either form.
$x = q(
"select * from xchan where xchan_url = '%s' or xchan_hash = '%s' limit 1",
dbesc($t['url']),
dbesc($t['url'])
);
if ($x) {
switch ($pref) {
case 0:
$txt = $x[0]['xchan_name'];
break;
case 1:
$txt = (($x[0]['xchan_addr']) ?: $x[0]['xchan_name']);
break;
case 2:
default;
if ($x[0]['xchan_addr']) {
$txt = sprintf(t('%1$s (%2$s)'), $x[0]['xchan_name'], $x[0]['xchan_addr']);
} else {
$txt = $x[0]['xchan_name'];
}
break;
}
}
if ($s) {
$s .= ' ';
}
$s .= '
' . $txt . ' ';
}
}
return $s;
}
function format_filer(&$item)
{
$s = EMPTY_STR;
if (! (isset($item['term']) && $item['term'])) {
return $s;
}
$terms = get_terms_oftype($item['term'], TERM_FILE);
if ($terms) {
$categories = [];
foreach ($terms as $t) {
$term = htmlspecialchars($t['term'], ENT_COMPAT, 'UTF-8', false) ;
if (! trim($term)) {
continue;
}
$removelink = z_root() . '/filerm/' . $item['id'] . '?f=&term=' . urlencode($t['term']);
$categories[] = ['term' => $term, 'removelink' => $removelink];
}
$s = replace_macros(Theme::get_template('item_filer.tpl'), [
'$remove' => t('remove from file'),
'$categories' => $categories
]);
}
return $s;
}
function generate_map($lat, $lon, $zoom = 16)
{
$arr = [
'lat' => $lat,
'lon' => $lon,
'zoom' => $zoom,
'html' => ''
];
/**
* @hooks generate_map
* * \e string \b lat
* * \e string \b lon
* * \e string \b html the parsed HTML to return
*/
Hook::call('generate_map', $arr);
return (strlen($arr['html'])) ? $arr['html'] : 'geo:' . $lat . ',' . $lon . '&z=' . $zoom;
}
function generate_named_map($location)
{
$arr = [
'location' => $location,
'html' => ''
];
/**
* @hooks generate_named_map
* * \e string \b location
* * \e string \b html the parsed HTML to return
*/
Hook::call('generate_named_map', $arr);
return (($arr['html']) ?: $location);
}
function item_is_censored($item, $observer) {
// Don't censor your own posts.
if ($observer && $item['author_xchan'] === $observer) {
return false;
}
$censored = ($item['author']['abook_censor']
|| $item['owner']['abook_censor']
|| $item['author']['xchan_selfcensored']
|| $item['owner']['xchan_selfcensored']
|| $item['author']['xchan_censored']
|| $item['owner']['xchan_censored']
|| intval($item['item_nsfw'])) && (get_safemode());
return $censored;
}
function prepare_body(&$item, $attach = false, $opts = false)
{
Hook::call('prepare_body_init', $item);
if (item_is_censored($item, get_observer_hash())) {
if (! $opts) {
$opts = [];
}
$opts['censored'] = true;
}
$s = '';
$photo = '';
$is_photo = ($item['verb'] === ACTIVITY_POST) && ($item['obj_type'] === ACTIVITY_OBJ_PHOTO);
if ($is_photo) {
$object = is_array($item['obj']) ? $item['obj'] : json_decode($item['obj'], true);
$ptr = null;
if (is_array($object) && array_key_exists('url', $object) && is_array($object['url'])) {
if (array_key_exists(0, $object['url'])) {
foreach ($object['url'] as $link) {
if (array_key_exists('width', $link) && $link['width'] >= 640 && $link['width'] <= 1024) {
$ptr = $link;
}
}
if (! $ptr) {
$ptr = $object['url'][0];
}
} else {
$ptr = $object['url'];
}
if ($ptr) {
$alt_text = ' alt="' . ((isset($ptr['summary']) && $ptr['summary']) ? htmlspecialchars($ptr['summary'], ENT_QUOTES, 'UTF-8') : t('Image/photo')) . '"';
$item['body'] = '[zmg' . $alt_text . ']' . $ptr['href'] . '[/zmg]' . "\n\n" . $item['body'];
}
}
}
if ($item['item_obscured']) {
$s .= prepare_binary($item);
} else {
if ($item['summary']) {
// 8203 is a zero-width space so as not to trigger a markdown link if the summary starts with parentheses
$s .= prepare_text('[summary]' . $item['summary'] . '[/summary]' . $item['body'], $item['mimetype'], $opts);
} else {
if ($item['html']) {
$s .= smilies($item['html']);
} else {
$s .= prepare_text($item['body'], $item['mimetype'], $opts);
}
}
}
$poll = (($item['obj_type'] === 'Question' && in_array($item['verb'], [ 'Create','Update' ])) ? format_poll($item, $s, $opts) : false);
if ($poll) {
$s = $poll;
}
$e = trim($item['body']);
$em = Emoji\is_single_emoji($e) || mb_strlen($e) === 1;
if ($em) {
$s = '
' . trim($item['body']) . ' ';
}
$event = (($item['obj_type'] === ACTIVITY_OBJ_EVENT) ? format_event_obj($item['obj']) : false);
// This is not the most pleasant UI element possible, but this is difficult to add to one of the templates.
// Eventually we may wish to add/remove to/from calendar in the message title area but it will take a chunk
// of code re-factoring to make that happen.
if (is_array($event) && $event['header'] && $item['resource_id']) {
$event['header'] .= '
' . ' ' . t('Added to your calendar');
}
$prep_arr = [
'item' => $item,
'html' => $event ? $event['content'] : $s,
'event' => ((is_array($event)) ? $event['header'] : EMPTY_STR),
'photo' => $photo
];
Hook::call('prepare_body', $prep_arr);
$s = $prep_arr['html'];
$photo = $prep_arr['photo'];
$event = $prep_arr['event'];
if (! $attach) {
return $s;
}
if (str_contains($s, '
')) {
if ($item['lat'] || $item['lon']) {
$lat = $item['lat'];
$lon = $item['lon'];
}
elseif ($item['coord']) {
$tmp = explode(' ', $item['coord']);
if (count($tmp) > 1) {
$lat = $tmp[0];
$lon = $tmp[1];
}
}
$x = generate_map($lat, $lon);
if ($x) {
$s = preg_replace('/\
/', '$0' . $x, $s);
}
}
$attachments = theme_attachments($item);
$writeable = get_observer_hash() == $item['owner_xchan'];
$tags = format_hashtags($item);
$mentions = format_mentions($item);
$categories = format_categories($item, $writeable);
if (local_channel() == $item['uid']) {
$filer = format_filer($item);
}
// Caching photos can use absurd amounts of space.
// Don't cache photos if somebody is just browsing the stream to the
// beginning of time. This optimises performance for viewing things created
// recently. Also catch an explicit expiration of 0 or "no cache".
$cache_expire = intval(get_config('system', 'default_expire_days'));
if ($cache_expire <= 0) {
$cache_expire = 60;
}
$cache_enable = !((($cache_expire) && ($item['created'] < datetime_convert('UTC', 'UTC', 'now - ' . $cache_expire . ' days'))));
// disable Unicode RTL over-ride since it can destroy presentation in some cases, use HTML or CSS instead
$s = str_replace([ '', '', html_entity_decode('', ENT_QUOTES, 'UTF-8') ], [ '','','' ], $s);
if ($s) {
$s = sslify($s, $cache_enable);
}
if ($photo) {
$photo = sslify($photo, $cache_enable);
}
if ($event) {
$event = sslify($event, $cache_enable);
}
$prep_arr = [
'item' => $item,
'photo' => $photo,
'html' => $s,
'event' => $event,
'categories' => $categories,
'folders' => $filer,
'tags' => $tags,
'mentions' => $mentions,
'attachments' => $attachments
];
Hook::call('prepare_body_final', $prep_arr);
unset($prep_arr['item']);
return $prep_arr;
}
function separate_img_links($s)
{
/** @noinspection HtmlRequiredAltAttribute */
/** @noinspection HtmlUnknownAttribute */
$x = preg_replace(
'/\
\ \<\/a\>/ism',
' ' . t('Link') . ' ',
$s
);
return $x;
}
function format_poll($item, $s, $opts)
{
if (! is_array($item['obj'])) {
$act = json_decode($item['obj'], true);
} else {
$act = $item['obj'];
}
if (! is_array($act)) {
return EMPTY_STR;
}
$commentable = can_comment_on_post(((local_channel()) ? get_observer_hash() : EMPTY_STR), $item);
//logger('format_poll: ' . print_r($item,true));
$activated = local_channel() && local_channel() == $item['uid'] && get_observer_hash() !== $item['owner_xchan'];
$output = $s . EOL . EOL;
$closed = false;
$closing = false;
if ($item['comments_closed'] > NULL_DATE) {
$closing = true;
$t = datetime_convert('UTC', date_default_timezone_get(), $item['comments_closed'], 'Y-m-d H:i');
$closed = datetime_convert() > $item['comments_closed'];
if ($closed) {
$commentable = false;
}
}
if ($act['type'] === 'Question') {
if ($activated and $commentable) {
$output .= '
';
}
}
return $output;
}
function prepare_binary($item)
{
return replace_macros(Theme::get_template('item_binary.tpl'), [
'$download' => t('Download binary/encrypted content'),
'$url' => z_root() . '/viewsrc/' . $item['id'] . '/download'
]);
}
/**
* @brief Given a text string, convert from bbcode to html and add smilie icons.
*
* @param string $text
* @param string $content_type (optional) default text/bbcode
* @param bool $cache (optional) default false
*
* @return string
*/
function prepare_text($text, $content_type = 'text/x-multicode', $opts = false)
{
switch ($content_type) {
case 'text/plain':
case 'application/x-pdl';
$s = escape_tags($text);
break;
case 'text/html':
$s = $text;
break;
case 'text/markdown':
$text = MarkdownSoap::unescape($text);
$s = MarkdownExtra::defaultTransform($text);
break;
// No security checking is done here at display time - so we need to verify
// that the author is allowed to use PHP before storing. We also cannot allow
// importation of PHP text bodies from other sites. Therefore this content
// type is only valid for web pages (and profile details).
// It may be possible to provide a PHP message body which is evaluated on the
// sender's site before sending it elsewhere. In that case we will have a
// different content-type here.
case 'application/x-php':
ob_start();
eval($text);
$s = ob_get_contents();
ob_end_clean();
break;
case 'text/bbcode':
case 'text/x-multicode':
case '':
default:
require_once('include/bbcode.php');
if (stristr($text, '[nosmile]')) {
$s = bbcode($text, ((is_array($opts)) ? $opts : [] ));
} else {
$s = smilies(bbcode($text, ((is_array($opts)) ? $opts : [] )));
}
$s = zidify_links($s);
break;
}
//logger('prepare_text: ' . $s);
return $s;
}
function create_export_photo_body(&$item)
{
if (($item['verb'] === ACTIVITY_POST) && ($item['obj_type'] === ACTIVITY_OBJ_PHOTO)) {
$j = json_decode($item['obj'], true);
if ($j) {
$item['body'] .= "\n\n" . (($j['source']['content']) ?: $item['content']);
$item['sig'] = '';
}
}
}
function get_plink($item, $conversation_mode = true)
{
if ($conversation_mode) {
$key = 'plink';
} else {
$key = 'llink';
}
$zidify = true;
if (array_key_exists('author', $item) && ! in_array($item['author']['xchan_network'], [ 'nomad', 'zot6' ])) {
$zidify = false;
}
if (x($item, $key)) {
return [
'href' => (($zidify) ? zid($item[$key]) : $item[$key]),
'title' => t('Link to Source'),
];
} else {
return false;
}
}
function layout_select($channel_id, $current = '')
{
$options = '';
$r = q(
"select mid, v from item left join iconfig on iconfig.iid = item.id
where iconfig.cat = 'system' and iconfig.k = 'PDL' and item.uid = %d and item_type = %d ",
intval($channel_id),
intval(ITEM_TYPE_PDL)
);
if ($r) {
$empty_selected = (($current === false) ? ' selected="selected" ' : '');
$options .= '
' . t('default') . ' ';
foreach ($r as $rr) {
$selected = (($rr['mid'] == $current) ? ' selected="selected" ' : '');
$options .= '
' . $rr['v'] . ' ';
}
}
$o = replace_macros(Theme::get_template('field_select_raw.tpl'), [
'$field' => ['layout_mid', t('Page layout'), $selected, t('You can create your own with the layouts tool'), $options]
]);
return $o;
}
function mimetype_select($channel_id, $current = 'text/x-multicode', $choices = null, $element = 'mimetype')
{
$x = (($choices) ? $choices : [
'text/bbcode' => t('BBcode'),
'text/x-multicode' => t('Multicode'),
'text/html' => t('HTML'),
'text/markdown' => t('Markdown'),
'text/plain' => t('Text'),
'application/x-pdl' => t('Comanche Layout')
]);
if ((App::$is_sys) || (Channel::codeallowed($channel_id) && $channel_id == local_channel())) {
$x['application/x-php'] = t('PHP');
}
foreach ($x as $y => $z) {
$selected = (($y == $current) ? ' selected="selected" ' : '');
$options .= '
' . $z . ' ';
}
$o = replace_macros(Theme::get_template('field_select_raw.tpl'), [
'$field' => [$element, t('Page content type'), $selected, '', $options]
]);
return $o;
}
function engr_units_to_bytes($size_str)
{
if (! $size_str) {
return $size_str;
}
return match (substr(trim($size_str), -1)) {
'M', 'm' => (int)$size_str * 1048576,
'K', 'k' => (int)$size_str * 1024,
'G', 'g' => (int)$size_str * 1073741824,
default => $size_str,
};
}
function base64url_encode($s, $strip_padding = true)
{
$s = strtr(base64_encode($s), '+/', '-_');
if ($strip_padding) {
$s = str_replace('=', '', $s);
}
return $s;
}
function base64url_decode($s)
{
if (is_array($s)) {
logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true));
return $s;
}
return base64_decode(strtr($s, '-_', '+/'));
}
function base64special_encode($s, $strip_padding = true)
{
$s = strtr(base64_encode($s), '+/', ',.');
if ($strip_padding) {
$s = str_replace('=', '', $s);
}
return $s;
}
function base64special_decode($s)
{
if (is_array($s)) {
logger('base64url_decode: illegal input: ' . print_r(debug_backtrace(), true));
return $s;
}
return base64_decode(strtr($s, ',.', '+/'));
}
/**
* @brief Return a div to clear floats.
*
* @return string
*/
function cleardiv()
{
return '
';
}
function bb_translate_video($s)
{
$arr = ['string' => $s];
Hook::call('bb_translate_video', $arr);
return $arr['string'];
}
function html2bb_video($s)
{
$arr = ['string' => $s];
Hook::call('html2bb_video', $arr);
return $arr['string'];
}
/**
* apply xmlify() to all values of array $val, recursively
*/
function array_xmlify($val)
{
if (is_bool($val)) {
return $val ? "true" : "false";
}
if (is_array($val)) {
return array_map('array_xmlify', $val);
}
return xmlify((string) $val);
}
function reltoabs($text, $base)
{
if (empty($base)) {
return $text;
}
$base = rtrim($base, '/');
$base2 = $base . "/";
// Replace links
$pattern = "/
]*) href=\"(?!http|https|\/)([^\"]*)\"/";
$replace = " ]*) href=\"(?!http|https)([^\"]*)\"/";
$replace = " ]*) src=\"(?!http|https|\/)([^\"]*)\"/";
$replace = " ]*) src=\"(?!http|https)([^\"]*)\"/";
$replace = " 1900) {
$y = intval(date('Y'));
if ($i <= $y + 1 && strpos($s, '-') == 4) {
$m = intval(substr($s, 5));
if ($m > 0 && $m <= 12) {
return true;
}
}
}
return false;
}
function legal_webbie($s)
{
if (! $s) {
return '';
}
// WARNING: This regex may not work in a federated environment.
// You will probably want something like
// preg_replace('/([^a-z0-9\_])/','',strtolower($s));
$r = preg_replace('/([^a-z0-9\-\_])/', '', strtolower($s));
$x = [ 'input' => $s, 'output' => $r ];
Hook::call('legal_webbie', $x);
return $x['output'];
}
function legal_webbie_text()
{
// WARNING: This will not work in a federated environment.
$s = t('a-z, 0-9, -, and _ only');
$x = [ 'text' => $s ];
Hook::call('legal_webbie_text', $x);
return $x['text'];
}
function check_webbie($arr)
{
// These names conflict with the CalDAV server
$taken = [ 'principals', 'addressbooks', 'calendars' ];
$reservechan = get_config('system', 'reserved_channels');
if (strlen($reservechan)) {
$taken = array_merge($taken, explode(',', $reservechan));
}
$str = '';
if (count($arr)) {
foreach ($arr as $x) {
$y = legal_webbie($x);
if (strlen($y)) {
if ($str) {
$str .= ',';
}
$str .= "'" . dbesc($y) . "'";
}
}
if (strlen($str)) {
$r = q("select channel_address from channel where channel_address in ( $str ) ");
if (count($r)) {
foreach ($r as $rr) {
$taken[] = $rr['channel_address'];
}
}
foreach ($arr as $x) {
$y = legal_webbie($x);
if (! in_array($y, $taken)) {
return $y;
}
}
}
}
return '';
}
function ids_to_array($arr, $idx = 'id')
{
$t = [];
if ($arr) {
foreach ($arr as $x) {
if (array_key_exists($idx, $x) && strlen($x[$idx]) && (! in_array($x[$idx], $t))) {
$t[] = $x[$idx];
}
}
}
return($t);
}
function ids_to_querystr($arr, $idx = 'id', $quote = false)
{
$t = [];
if ($arr) {
foreach ($arr as $x) {
if (! in_array($x[$idx], $t)) {
if ($quote) {
$t[] = "'" . dbesc($x[$idx]) . "'";
} else {
$t[] = $x[$idx];
}
}
}
}
return(implode(',', $t));
}
/**
* @brief array_elm_to_str($arr,$elm,$delim = ',') extract unique individual elements from an array of arrays and return them as a string separated by a delimiter
* similar to ids_to_querystr, but allows a different delimiter instead of a db-quote option
* empty elements (evaluated after trim()) are ignored.
* @param $arr array
* @param $elm string // to extract from sub-array
* @param $delim string // default ','
* @param $each // filter function to apply to each element before evaluation, default is 'trim'.
* @returns string
*/
function array_elm_to_str($arr, $elm, $delim = ',', $each = 'trim')
{
$tmp = [];
if ($arr && is_array($arr)) {
foreach ($arr as $x) {
if (is_array($x) && array_key_exists($elm, $x)) {
$z = $each($x[$elm]);
if (($z) && (! in_array($z, $tmp))) {
$tmp[] = $z;
}
}
}
}
return implode($delim, $tmp);
}
function trim_and_unpunify($s)
{
return unpunify(trim($s));
}
/**
* @brief Fetches xchan and hubloc data for an array of items with only an
* author_xchan and owner_xchan.
*
* If $abook is true also include the abook info. This is needed in the API to
* save extra per item lookups there.
*
* @param[in,out] array &$items
* @param bool $abook If true also include the abook info
* @param number $effective_uid
*/
function xchan_query(&$items, $abook = true, $effective_uid = 0)
{
$arr = [];
if ($items && count($items)) {
if ($effective_uid) {
for ($x = 0; $x < count($items); $x++) {
$items[$x]['real_uid'] = $items[$x]['uid'];
$items[$x]['uid'] = $effective_uid;
}
}
foreach ($items as $item) {
if ($item['owner_xchan'] && (! in_array("'" . dbesc($item['owner_xchan']) . "'", $arr))) {
$arr[] = "'" . dbesc($item['owner_xchan']) . "'";
}
if ($item['author_xchan'] && (! in_array("'" . dbesc($item['author_xchan']) . "'", $arr))) {
$arr[] = "'" . dbesc($item['author_xchan']) . "'";
}
}
}
if (count($arr)) {
if ($abook) {
$chans = q(
"select * from xchan left join hubloc on hubloc_hash = xchan_hash left join abook on abook_xchan = xchan_hash and abook_channel = %d
where xchan_hash in (" . protect_sprintf(implode(',', $arr)) . ") and hubloc_deleted = 0 order by hubloc_primary desc",
intval($item['uid'])
);
} else {
$chans = q("select xchan.*,hubloc.* from xchan left join hubloc on hubloc_hash = xchan_hash
where xchan_hash in (" . protect_sprintf(implode(',', $arr)) . ") and hubloc_deleted = 0 order by hubloc_primary desc");
}
$xchans = q("select * from xchan where xchan_hash in (" . protect_sprintf(implode(',', $arr)) . ") and xchan_network in ('rss','unknown', 'anon')");
if (! $chans) {
$chans = $xchans;
} else {
$chans = array_merge($xchans, $chans);
}
}
if ($items && count($items) && $chans && count($chans)) {
for ($x = 0; $x < count($items); $x++) {
$items[$x]['owner'] = find_xchan_in_array($items[$x]['owner_xchan'], $chans);
$items[$x]['author'] = find_xchan_in_array($items[$x]['author_xchan'], $chans);
}
}
}
function xchan_mail_query(&$item)
{
$arr = [];
$chans = null;
if ($item) {
if ($item['from_xchan'] && (! in_array("'" . dbesc($item['from_xchan']) . "'", $arr))) {
$arr[] = "'" . dbesc($item['from_xchan']) . "'";
}
if ($item['to_xchan'] && (! in_array("'" . dbesc($item['to_xchan']) . "'", $arr))) {
$arr[] = "'" . dbesc($item['to_xchan']) . "'";
}
}
if (count($arr)) {
$chans = q("select xchan.*,hubloc.* from xchan left join hubloc on hubloc_hash = xchan_hash
where xchan_hash in (" . protect_sprintf(implode(',', $arr)) . ") and hubloc_primary = 1 and hubloc_deleted = 0");
}
if ($chans) {
$item['from'] = find_xchan_in_array($item['from_xchan'], $chans);
$item['to'] = find_xchan_in_array($item['to_xchan'], $chans);
}
}
function find_xchan_in_array($xchan, $arr)
{
if (count($arr)) {
foreach ($arr as $x) {
if ($x['xchan_hash'] === $xchan) {
return $x;
}
}
}
return [];
}
function get_rel_link($j, $rel)
{
if (is_array($j) && ($j)) {
foreach ($j as $l) {
if (is_array($l) && array_key_exists('rel', $l) && $l['rel'] === $rel && array_key_exists('href', $l)) {
return $l['href'];
}
}
}
return '';
}
// Lots of code to write here
function magic_link($s)
{
return $s;
}
/**
* @brief If $escape is true, dbesc() each element before adding quotes.
*
* @param[in,out] array &$arr
* @param bool $escape (optional) default false
*/
function stringify_array_elms(&$arr, $escape = false)
{
for ($x = 0; $x < count($arr); $x++) {
$arr[$x] = "'" . (($escape) ? dbesc($arr[$x]) : $arr[$x]) . "'";
}
}
/**
* @brief Similar to stringify_array_elms but returns a string. If $escape is true, dbesc() each element before adding quotes.
*
* @param array $arr
* @param bool $escape (optional) default false
* @return string
*/
function stringify_array($arr, $escape = false)
{
if ($arr) {
stringify_array_elms($arr, $escape);
return(implode(',', $arr));
}
return EMPTY_STR;
}
/**
* @brief Indents a flat JSON string to make it more human-readable.
*
* @param string $json The original JSON string to process.
* @return string Indented version of the original JSON string.
*/
function jindent($json)
{
$result = '';
$pos = 0;
$strLen = strlen($json);
$indentStr = ' ';
$newLine = "\n";
$prevChar = '';
$outOfQuotes = true;
if (is_array($json)) {
btlogger('is an array', LOGGER_DATA);
$json = json_encode($json, JSON_UNESCAPED_SLASHES);
}
for ($i = 0; $i <= $strLen; $i++) {
// Grab the next character in the string.
$char = substr($json, $i, 1);
// Are we inside a quoted string?
if ($char == '"' && $prevChar != '\\') {
$outOfQuotes = !$outOfQuotes;
}
// If this character is the end of an element,
// output a new line and indent the next line.
elseif (($char == '}' || $char == ']') && $outOfQuotes) {
$result .= $newLine;
$pos--;
for ($j = 0; $j < $pos; $j++) {
$result .= $indentStr;
}
}
// Add the character to the result string.
$result .= $char;
// If the last character was the beginning of an element,
// output a new line and indent the next line.
if (($char == ',' || $char == '{' || $char == '[') && $outOfQuotes) {
$result .= $newLine;
if ($char == '{' || $char == '[') {
$pos++;
}
for ($j = 0; $j < $pos; $j++) {
$result .= $indentStr;
}
}
$prevChar = $char;
}
return $result;
}
/**
* @brief Creates navigation menu for webpage, layout, blocks, menu sites.
*
* @return string with parsed HTML
*/
function design_tools()
{
$channel = Channel::from_id(App::$profile['profile_uid']);
$sys = false;
if (App::$is_sys && is_site_admin()) {
require_once('include/channel.php');
$channel = Channel::get_system();
$sys = true;
}
$who = $channel['channel_address'];
return replace_macros(Theme::get_template('design_tools.tpl'), [
'$title' => t('Design Tools'),
'$who' => $who,
'$sys' => $sys,
'$blocks' => t('Blocks'),
'$menus' => t('Menus'),
'$layout' => t('Layouts'),
'$pages' => t('Pages')
]);
}
/**
* @brief Creates website portation tools menu
*
* @return string
*/
function website_portation_tools()
{
$channel = App::get_channel();
$sys = false;
if (App::$is_sys && is_site_admin()) {
require_once('include/channel.php');
$channel = Channel::get_system();
$sys = true;
}
return replace_macros(Theme::get_template('website_portation_tools.tpl'), [
'$title' => t('Import'),
'$import_label' => t('Import website...'),
'$import_placeholder' => t('Select folder to import'),
'$file_upload_text' => t('Import from a zipped folder:'),
'$file_import_text' => t('Import from cloud files:'),
'$desc' => t('/cloud/channel/path/to/folder'),
'$hint' => t('Enter path to website files'),
'$select' => t('Select folder'),
'$export_label' => t('Export website...'),
'$file_download_text' => t('Export to a zip file'),
'$filename_desc' => t('website.zip'),
'$filename_hint' => t('Enter a name for the zip file.'),
'$cloud_export_text' => t('Export to cloud files'),
'$cloud_export_desc' => t('/path/to/export/folder'),
'$cloud_export_hint' => t('Enter a path to a cloud files destination.'),
'$cloud_export_select' => t('Specify folder'),
]);
}
/**
* @brief case insensitive in_array()
*
* @param string $needle
* @param array $haystack
* @return bool
*/
function in_arrayi($needle, $haystack)
{
return in_array(strtolower($needle), array_map('strtolower', $haystack));
}
function normalise_openid($s)
{
return trim(str_replace(['http://','https://'], ['',''], $s), '/');
}
/**
* Used in ajax endless scroll request to find out all the args that the master page was viewing.
* This was using $_REQUEST, but $_REQUEST also contains all your cookies. So we're restricting it
* to $_GET and $_POST.
*
* @return string with additional URL parameters
*/
function extra_query_args()
{
$s = '';
if (count($_GET)) {
foreach ($_GET as $k => $v) {
// these are request vars we don't want to duplicate
if (! in_array($k, ['req','f','zid','page','PHPSESSID'])) {
$s .= '&' . $k . '=' . urlencode($v);
}
}
}
if (count($_POST)) {
foreach ($_POST as $k => $v) {
// these are request vars we don't want to duplicate
if (! in_array($k, ['req','f','zid','page','PHPSESSID'])) {
$s .= '&' . $k . '=' . urlencode($v);
}
}
}
return $s;
}
/**
* @brief This function removes the tag $tag from the text $body and replaces it
* with the appropiate link.
*
* @param App $a
* @param[in,out] string &$body the text to replace the tag in
* @param[in,out] string &$access_tag used to return tag ACL exclusions e.g. @!foo
* @param[in,out] string &$str_tags string to add the tag to
* @param int $profile_uid
* @param string $tag the tag to replace
* @param bool $in_network default true
* @return bool|array
*/
function handle_tag(&$body, &$str_tags, $profile_uid, $tag, $in_network = true)
{
$channel = App::get_channel();
$replaced = false;
$r = null;
$match = [];
$termtype = ((str_starts_with($tag, '#')) ? TERM_HASHTAG : TERM_UNKNOWN);
$termtype = ((str_starts_with($tag, '@')) ? TERM_MENTION : $termtype);
$termtype = ((str_starts_with($tag, '!')) ? TERM_FORUM : $termtype);
// Is it a hashtag of some kind?
if ($termtype == TERM_HASHTAG) {
// if the tag is already replaced...
if ((strpos($tag, '[zrl=')) || (strpos($tag, '[url='))) {
// ...do nothing
return $replaced;
}
if (! $replaced) {
// double-quoted hashtags: base tag has the htmlentity name only
if ((str_starts_with($tag, '#"')) && (str_ends_with($tag, '"'))) {
$basetag = substr($tag, 7);
$basetag = substr($basetag, 0, -6);
} elseif ((str_starts_with($tag, '#"')) && (str_ends_with($tag, '"'))) {
$basetag = substr($tag, 2);
$basetag = substr($basetag, 0, -1);
} else {
$basetag = substr($tag, 1);
}
// create text for link
$url = z_root() . '/search?tag=' . rawurlencode($basetag);
$newtag = '#[zrl=' . z_root() . '/search?tag=' . rawurlencode($basetag) . ']' . $basetag . '[/zrl]';
// replace tag by the link. Make sure to not replace something in the middle of a word
$body = preg_replace('/(? $replaced,
'termtype' => $termtype,
'term' => $basetag,
'url' => $url,
'contact' => [],
'access_tag' => '',
]];
}
// END hashtags
// BEGIN mentions
if (in_array($termtype, [TERM_MENTION, TERM_FORUM])) {
// The @! tag will alter permissions
// $in_network is set to false to avoid false positives on posts originating
// on a network which does not implement privacy tags or implements them differently.
$exclusive = (((str_starts_with(substr($tag, 1), '!')) && $in_network) ? true : false);
// is it already replaced?
if (strpos($tag, "[zrl=") || strpos($tag, "[url=")) {
return $replaced;
}
// get the channel name
// First extract the name or name fragment we are going to replace
$name = substr($tag, (($exclusive) ? 2 : 1));
$newname = $name; // make a copy that we can mess with
$tagcid = 0;
$r = null;
// is it some generated (autocompleted) name?
if (str_starts_with($name, '{') && str_ends_with($name, '}')) {
$newname = substr($name, 1);
$newname = substr($newname, 0, -1);
$r = q(
"select * from xchan where xchan_addr = '%s' or xchan_hash = '%s' or xchan_url = '%s'",
dbesc($newname),
dbesc($newname),
dbesc($newname)
);
}
if (! $r) {
// look for matching names in the address book
// Double quote the entire mentioned term to include special characters
// such as spaces and some punctuation.
// We see this after input filtering so quotes have been html entity encoded
if ((str_starts_with($name, '"')) && (str_ends_with($name, '"'))) {
$newname = substr($name, 6);
$newname = substr($newname, 0, -6);
} elseif ((str_starts_with($name, '"')) && (str_ends_with($name, '"'))) {
$newname = substr($name, 1);
$newname = substr($newname, 0, -1);
}
// select someone from this user's contacts by name
$r = q(
"SELECT * FROM abook left join xchan on abook_xchan = xchan_hash
WHERE xchan_name = '%s' AND abook_channel = %d ",
dbesc($newname),
intval($profile_uid)
);
// select anybody by full hubloc_addr
if ((! $r) && strpos($newname, '@')) {
$r = q(
"SELECT * FROM xchan left join hubloc on xchan_hash = hubloc_hash
WHERE hubloc_addr = '%s' and hubloc_deleted = 0 order by hubloc_id desc",
dbesc($newname)
);
}
// select someone by attag or nick and the name passed in
if (! $r) {
// strip user-supplied wildcards before running a wildcard search
$newname = str_replace('%', '', $newname);
$r = q(
"SELECT * FROM abook left join xchan on abook_xchan = xchan_hash
WHERE xchan_addr like ('%s') AND abook_channel = %d ",
dbesc(((strpos($newname, '@')) ? $newname : $newname . '@%')),
intval($profile_uid)
);
}
}
$fn_results = [];
$access_tag = EMPTY_STR;
// some platforms prefer to mention people by username rather than display name.
// make this a personal choice by the publisher
$tagpref = intval(PConfig::Get($profile_uid, 'system', 'tag_username', Config::Get('system', 'tag_username', false)));
// $r is set if we found something
if ($r) {
if (array_key_exists('hubloc_network', $r)) {
$r = [ Libzot::zot_record_preferred($r) ];
} else {
$r = [ Libzot::zot_record_preferred($r, 'xchan_network') ];
}
}
if ($r) {
foreach ($r as $xc) {
$profile = $xc['xchan_url'];
// $tagpref
// 0 use display name
// 1 use username@host
// 2 use 'display name (username@host)'
// 127 use display name outbound and don't change inbound
$newname = $xc['xchan_name'];
if ($tagpref === 1 && $xc['xchan_addr']) {
$newname = $xc['xchan_addr'];
}
if ($tagpref === 2 && $xc['xchan_addr']) {
$newname = sprintf(t('%1$s (%2$s)'), $xc['xchan_name'], $xc['xchan_addr']);
}
// add the channel's xchan_hash to $access_tag if exclusive
if ($exclusive) {
$access_tag = 'cid:' . $xc['xchan_hash'];
}
// if there is a url for this channel
if (isset($profile)) {
$replaced = true;
//create profile link
$profile = str_replace(',', '%2c', $profile);
$url = $profile;
$zrl = (in_array($xc['xchan_network'], [ 'nomad', 'zot6' ]) ? 'zrl' : 'url');
if ($termtype === TERM_FORUM) {
$newtag = '!' . (($exclusive) ? '!' : '') . '[' . $zrl . '=' . $profile . ']' . $newname . '[/' . $zrl . ']';
$body = str_replace('!' . (($exclusive) ? '!' : '') . $name, $newtag, $body);
}
if ($termtype === TERM_MENTION) {
$newtag = '@' . (($exclusive) ? '!' : '') . '[' . $zrl . '=' . $profile . ']' . $newname . '[/' . $zrl . ']';
$body = str_replace('@' . (($exclusive) ? '!' : '') . $name, $newtag, $body);
}
// append tag to str_tags
if (! stristr($str_tags, $newtag)) {
if (strlen($str_tags)) {
$str_tags .= ',';
}
$str_tags .= $newtag;
}
}
$fn_results[] = [
'replaced' => $replaced,
'termtype' => $termtype,
'term' => $newname,
'url' => $url,
'access_tag' => $access_tag,
'contact' => (($r) ? $xc : []),
];
}
} else {
// check for a group/collection exclusion tag
// note that we aren't setting $replaced even though we're replacing text.
// This tag isn't going to get a term attached to it. It's only used for
// access control.
if (local_channel() && local_channel() == $profile_uid) {
$grp = AccessList::byname($profile_uid, $name);
if ($grp) {
$g = q(
"select * from pgrp where id = %d and visible = 1 limit 1",
intval($grp)
);
if ($g && $exclusive) {
$access_tag .= 'gid:' . $g[0]['hash'];
}
$channel = App::get_channel();
if ($channel) {
$replaced = true;
$newname = $channel['channel_name'] . ' (' . $g[0]['gname'] . ')';
$newtag = '@' . (($exclusive) ? '!' : '') . '[zrl=' . z_root() . '/lists/view/' . $g[0]['hash'] . ']' . $newname . '[/zrl]';
$body = str_replace('@' . (($exclusive) ? '!' : '') . $name, $newtag, $body);
}
}
}
// if there is a url for this channel
if (isset($profile)) {
$replaced = true;
//create profile link
$profile = str_replace(',', '%2c', $profile);
$url = $profile;
$newtag = '@' . (($exclusive) ? '!' : '') . '[zrl=' . $profile . ']' . $newname . '[/zrl]';
$body = str_replace('@' . (($exclusive) ? '!' : '') . $name, $newtag, $body);
// append tag to str_tags
if (! stristr($str_tags, $newtag)) {
if (strlen($str_tags)) {
$str_tags .= ',';
}
$str_tags .= $newtag;
}
}
$fn_results[] = [
'replaced' => $replaced,
'termtype' => $termtype,
'term' => $newname,
'url' => $url,
'access_tag' => $access_tag,
'contact' => [],
];
}
}
return $fn_results;
}
function linkify_tags(&$body, $uid, $in_network = true)
{
$str_tags = EMPTY_STR;
$results = [];
$tags = get_tags($body);
if (is_array($tags) && count($tags)) {
foreach ($tags as $tag) {
$success = handle_tag($body, $str_tags, ($uid) ? $uid : App::$profile_uid, $tag, $in_network);
foreach ($success as $handled_tag) {
$results[] = [ 'success' => $handled_tag ];
}
}
}
return $results;
}
/**
* @brief returns icon name for use with e.g. font-awesome based on mime-type.
*
* These are the the font-awesome names of version 3.2.1. The newer font-awesome
* 4 has different names.
*
* @param string $type mime type
* @return string
* @todo rename to get_icon_from_type()
*/
function getIconFromType($type)
{
$iconMap = [
//Folder
t('Collection') => 'fa-folder-o',
'multipart/mixed' => 'fa-folder-o', //dirs in attach use this mime type
//Common file
'application/octet-stream' => 'fa-file-o',
//Text
'text/plain' => 'fa-file-text-o',
'text/markdown' => 'fa-file-text-o',
'text/bbcode' => 'fa-file-text-o',
'text/x-multicode' => 'fa-file-text-o',
'text/html' => 'fa-file-text-o',
'application/msword' => 'fa-file-word-o',
'application/pdf' => 'fa-file-pdf-o',
'application/vnd.oasis.opendocument.text' => 'fa-file-word-o',
'application/epub+zip' => 'fa-book',
//Spreadsheet
'application/vnd.oasis.opendocument.spreadsheet' => 'fa-file-excel-o',
'application/vnd.ms-excel' => 'fa-file-excel-o',
//Image
'image/jpeg' => 'fa-picture-o',
'image/png' => 'fa-picture-o',
'image/gif' => 'fa-picture-o',
'image/svg+xml' => 'fa-picture-o',
//Archive
'application/zip' => 'fa-file-archive-o',
'application/x-rar-compressed' => 'fa-file-archive-o',
//Audio
'audio/mpeg' => 'fa-file-audio-o',
'audio/wav' => 'fa-file-audio-o',
'application/ogg' => 'fa-file-audio-o',
'audio/ogg' => 'fa-file-audio-o',
'audio/webm' => 'fa-file-audio-o',
'audio/mp4' => 'fa-file-audio-o',
//Video
'video/quicktime' => 'fa-file-video-o',
'video/webm' => 'fa-file-video-o',
'video/mp4' => 'fa-file-video-o',
'video/x-matroska' => 'fa-file-video-o'
];
$catMap = [
'application' => 'fa-file-code-o',
'multipart' => 'fa-folder',
'audio' => 'fa-file-audio-o',
'video' => 'fa-file-video-o',
'text' => 'fa-file-text-o',
'image' => 'fa=file-picture-o',
'message' => 'fa-file-text-o'
];
$iconFromType = '';
if (array_key_exists($type, $iconMap)) {
$iconFromType = $iconMap[$type];
} else {
$parts = explode('/', $type);
if ($parts[0] && $catMap[$parts[0]]) {
$iconFromType = $catMap[$parts[0]];
}
}
if (! $iconFromType) {
$iconFromType = 'fa-file-o';
}
return $iconFromType;
}
/**
* @brief Returns a human readable formatted string for filesizes.
*
* @param int $size filesize in bytes
* @return string human readable formatted filesize
* @todo rename to user_readable_size()
*/
function userReadableSize($size)
{
$ret = '';
if (is_numeric($size)) {
$incr = 0;
$k = 1024;
$unit = ['bytes', 'KB', 'MB', 'GB', 'TB', 'PB'];
while (($size / $k) >= 1) {
$incr++;
$size = round($size / $k, 2);
}
$ret = $size . ' ' . $unit[$incr];
}
return $ret;
}
function str_rot47($str)
{
return strtr(
$str,
'!"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~',
'PQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~!"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNO'
);
}
function string_replace($old, $new, &$s)
{
$x = str_replace($old, $new, $s);
$replaced = false;
if ($x !== $s) {
$replaced = true;
}
$s = $x;
return $replaced;
}
function json_url_replace($old, $new, &$s)
{
$old = str_replace('/', '\\/', $old);
$new = str_replace('/', '\\/', $new);
$x = str_replace($old, $new, $s);
$replaced = false;
if ($x !== $s) {
$replaced = true;
}
$s = $x;
return $replaced;
}
function item_url_replace($channel, &$item, $old, $new, $oldnick = '')
{
if (isset($item['attach']) && $item['attach']) {
$converted = false;
if (is_array($item['attach'])) {
$item['attach'] = item_json_encapsulate($item,'attach');
$converted = true;
}
json_url_replace($old, $new, $item['attach']);
if ($oldnick && ($oldnick !== $channel['channel_address'])) {
json_url_replace('/' . $oldnick . '/', '/' . $channel['channel_address'] . '/', $item['attach']);
}
if ($converted) {
$item['attach'] = json_decode($item['attach'],true);
}
}
if ($item['obj']) {
$converted = false;
if (is_array($item['obj'])) {
$item['obj'] = item_json_encapsulate($item,'obj');
$converted = true;
}
json_url_replace($old, $new, $item['obj']);
if ($oldnick && ($oldnick !== $channel['channel_address'])) {
json_url_replace('/' . $oldnick . '/', '/' . $channel['channel_address'] . '/', $item['obj']);
}
if ($converted) {
$item['obj'] = json_decode($item['obj'],true);
}
}
if ($item['target']) {
$converted = false;
if (is_array($item['target'])) {
$item['target'] = item_json_encapsulate($item,'target');
$converted = true;
}
json_url_replace($old, $new, $item['target']);
if ($oldnick && ($oldnick !== $channel['channel_address'])) {
json_url_replace('/' . $oldnick . '/', '/' . $channel['channel_address'] . '/', $item['target']);
}
if ($converted) {
$item['target'] = json_decode($item['target'],true);
}
}
$item['body'] = str_replace($old, $new, $item['body']);
if ($oldnick && ($oldnick !== $channel['channel_address'])) {
$item['body'] = str_replace('/' . $oldnick . '/', '/' . $channel['channel_address'] . '/', $item['body']);
}
$item['sig'] = Libzot::sign($item['body'], $channel['channel_prvkey']);
$item['item_verified'] = 1;
if (isset($item['plink'])) {
$item['plink'] = str_replace($old, $new, $item['plink']);
if ($oldnick && ($oldnick !== $channel['channel_address'])) {
$item['plink'] = str_replace('/' . $oldnick . '/', '/' . $channel['channel_address'] . '/', $item['plink']);
}
}
if (isset($item['llink'])) {
$item['llink'] = str_replace($old, $new, $item['llink']);
if ($oldnick && ($oldnick !== $channel['channel_address'])) {
$item['llink'] = str_replace('/' . $oldnick . '/', '/' . $channel['channel_address'] . '/', $item['llink']);
}
}
if (isset($item['term']) && is_array($item['term'])) {
for ($x = 0; $x < count($item['term']); $x++) {
$item['term'][$x]['url'] = str_replace($old, $new, $item['term'][$x]['url']);
if ($oldnick && ($oldnick !== $channel['channel_address'])) {
$item['term'][$x]['url'] = str_replace('/' . $oldnick . '/', '/' . $channel['channel_address'] . '/', $item['term'][$x]['url']);
}
}
}
}
/**
* @brief Used to wrap ACL elements in angle brackets for storage.
*
* @param[in,out] array &$item
*/
function sanitise_acl(&$item)
{
if (strlen($item)) {
$item = '<' . notags(trim(urldecode($item))) . '>';
} else {
unset($item);
}
}
/**
* @brief Convert an ACL array to a storable string.
*
* @param 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;
}
/**
* @brief Turn user/group ACLs stored as angle bracketed text into arrays.
*
* turn string array of angle-bracketed elements into string array
* e.g. "<123xyz><246qyo>" => [ '123xyz','246qyo','sxo33e' ];
*
* @param string $s
* @return array
*/
function expand_acl($s)
{
$ret = [];
if (strlen($s)) {
$t = str_replace('<', '', $s);
$a = explode('>', $t);
foreach ($a as $aa) {
if ($aa) {
$ret[] = $aa;
}
}
}
return $ret;
}
function acl2json($s)
{
$s = expand_acl($s);
$s = json_encode($s);
return $s;
}
/**
* @brief When editing a webpage - a dropdown is needed to select a page layout
*
* On submit, the pdl_select value (which is the mid of an item with item_type = ITEM_TYPE_PDL)
* is stored in the webpage's resource_id, with resource_type 'pdl'.
*
* Then when displaying a webpage, we can see if it has a pdl attached. If not we'll
* use the default site/page layout.
*
* If it has a pdl we'll load it as we know the mid and pass the body through comanche_parser() which will generate the
* page layout from the given description
*
* @FIXME - there is apparently a very similar function called layout_select; this one should probably take precedence
* and the other should be checked for compatibility and removed
*
* @param int $uid
* @param string $current
* @return string HTML code for dropdown
*/
function pdl_selector($uid, $current = '')
{
$o = '';
$sql_extra = item_permissions_sql($uid);
$r = q(
"select iconfig.*, mid from iconfig left join item on iconfig.iid = item.id
where item.uid = %d and iconfig.cat = 'system' and iconfig.k = 'PDL' $sql_extra order by v asc",
intval($uid)
);
$arr = ['channel_id' => $uid, 'current' => $current, 'entries' => $r];
Hook::call('pdl_selector', $arr);
$entries = $arr['entries'];
$current = $arr['current'];
$o .= '';
$entries[] = ['title' => t('Default'), 'mid' => ''];
foreach ($entries as $selection) {
$selected = (($selection == $current) ? ' selected="selected" ' : '');
$o .= "{$selection['v']} ";
}
$o .= ' ';
return $o;
}
/**
* @brief returns a one-dimensional array from a multi-dimensional array
* empty values are discarded
*
* example: print_r(flatten_array_recursive(array('foo','bar',array('baz','blip',array('zob','glob')),'','grip')));
*
* Array ( [0] => foo [1] => bar [2] => baz [3] => blip [4] => zob [5] => glob [6] => grip )
*
* @param array $arr multi-dimensional array
* @return array
*/
function flatten_array_recursive($arr)
{
$ret = [];
if (! ($arr && is_array($arr))) {
return $ret;
}
foreach ($arr as $a) {
if (is_array($a)) {
$tmp = flatten_array_recursive($a);
if ($tmp) {
$ret = array_merge($ret, $tmp);
}
} elseif (isset($a)) {
$ret[] = $a;
}
}
return($ret);
}
/**
* @brief Highlight Text.
*
* @param string $s Text to highlight
* @param string $lang Which language should be highlighted
* @return string
* Important: The returned text has the text pattern 'http' translated to '%eY9-!' which should be converted back
* after further processing. This was done to prevent oembed links from occurring inside code blocks.
* See include/bbcode.php
*/
function text_highlight($s, $lang, $options)
{
if ($lang === 'js') {
$lang = 'javascript';
}
if ($lang === 'json') {
$lang = 'javascript';
if (! strpos(trim($s), "\n")) {
$s = jindent($s);
}
}
$arr = [
'text' => $s,
'language' => $lang,
'options' => $options,
'success' => false
];
/**
* @hooks text_highlight
* * \e string \b text
* * \e string \b language
* * \e boolean \b success default false
*/
Hook::call('text_highlight', $arr);
if ($arr['success']) {
$o = $arr['text'];
} else {
$o = $s;
}
$o = str_replace('http', '%eY9-!', $o);
return('' . $o . '
');
}
// function to convert multi-dimensional array to xml
// create new instance of simplexml
// $xml = new SimpleXMLElement(' ');
// function callback
// array2XML($xml, $my_array);
// save as xml file
// echo (($xml->asXML('data.xml')) ? 'Your XML file has been generated successfully!' : 'Error generating XML file!');
function arrtoxml($root_elem, $arr)
{
$xml = new SimpleXMLElement('<' . $root_elem . '>' . $root_elem . '>', null, false);
array2XML($xml, $arr);
return $xml->asXML();
}
function array2XML($obj, $array)
{
foreach ($array as $key => $value) {
if (is_numeric($key)) {
$key = 'item' . $key;
}
if (is_array($value)) {
$node = $obj->addChild($key);
array2XML($node, $value);
} else {
$obj->addChild($key, htmlspecialchars($value));
}
}
}
/**
* @brief Inserts an array into $table.
*
*
* @param string $table
* @param array $arr
* @param array $binary_fields - fields which will be cleansed with dbescbin rather than dbesc; this is critical for postgres
* @return bool|PDOStatement
*/
function create_table_from_array($table, $arr, $binary_fields = [])
{
if (! ($arr && $table)) {
return false;
}
$columns = db_columns($table);
$clean = [];
foreach ($arr as $k => $v) {
if (! in_array($k, $columns)) {
continue;
}
$matches = false;
if (preg_match('/([^a-zA-Z0-9\-\_\.])/', $k, $matches)) {
return false;
}
if (in_array($k, $binary_fields)) {
$clean[$k] = dbescbin($v);
} else {
$clean[$k] = dbesc($v);
}
}
q("START TRANSACTION");
$r = dbq("INSERT INTO " . TQUOT . $table . TQUOT . " (" . TQUOT
. implode(TQUOT . ', ' . TQUOT, array_keys($clean))
. TQUOT . ") VALUES ('"
. implode("', '", array_values($clean))
. "')");
if ($r) {
q("COMMIT");
} else {
q("ROLLBACK");
}
return $r;
}
function update_table_from_array($table, $arr, $where, $binary_fields = [])
{
if (! ($arr && $table)) {
return false;
}
$columns = db_columns($table);
$clean = [];
foreach ($arr as $k => $v) {
if (! in_array($k, $columns)) {
continue;
}
$matches = false;
if (preg_match('/([^a-zA-Z0-9\-\_\.])/', $k, $matches)) {
return false;
}
if (in_array($k, $binary_fields)) {
$clean[$k] = dbescbin($v);
} else {
$clean[$k] = dbesc($v);
}
}
$sql = "UPDATE " . TQUOT . $table . TQUOT . " SET ";
foreach ($clean as $k => $v) {
$sql .= TQUOT . $k . TQUOT . ' = "' . $v . '",';
}
$sql = rtrim($sql,',');
$r = dbq($sql . " WHERE " . $where);
return $r;
}
function share_shield($m)
{
return str_replace($m[1], '!=+=+=!' . base64url_encode($m[1]) . '=+!=+!=', $m[0]);
}
function share_unshield($m)
{
$x = str_replace(['!=+=+=!','=+!=+!='], ['',''], $m[1]);
return str_replace($m[1], base64url_decode($x), $m[0]);
}
function cleanup_bbcode($body)
{
/**
* fix image alt tags containing braces and angle chars from confusing the parser.
*/
$matches = null;
$c = preg_match('/alt\=\"(.*?)\"/ism',$body,$matches);
if ($c) {
$alt_tag = str_replace([ '[', ']', '<', '>' ], ['%5B', '%5D', '<', '>'], $matches[1]);
$body = str_replace($matches[1],$alt_tag,$body);
}
/**
* fix naked links by passing through a callback to see if this is a zot site of some kind
* (already known to us) which will get a zrl, otherwise link with url, add bookmark tag to both.
* First protect any url inside certain bbcode tags so we don't double link it.
*/
// markdown code blocks are slightly more complicated
$body = preg_replace_callback('#(^|\n)([`~]{3,})(?: *\.?([a-zA-Z0-9\-.]+))?\n+([\s\S]+?)\n+\2(\n|$)#', function ($match) {
return $match[1] . $match[2] . "\n" . bb_code_protect($match[4]) . "\n" . $match[2] . (($match[5]) ?: "\n");
}, $body);
$body = preg_replace_callback('/\[code(.*?)\[\/(code)\]/ism', '\red_escape_codeblock', $body);
$body = preg_replace_callback('/\[url(.*?)\[\/(url)\]/ism', '\red_escape_codeblock', $body);
$body = preg_replace_callback('/\[zrl(.*?)\[\/(zrl)\]/ism', '\red_escape_codeblock', $body);
$body = preg_replace_callback('/\[svg(.*?)\[\/(svg)\]/ism', '\red_escape_codeblock', $body);
$body = preg_replace_callback('/\[img(.*?)\[\/(img)\]/ism', '\red_escape_codeblock', $body);
$body = preg_replace_callback('/\[zmg(.*?)\[\/(zmg)\]/ism', '\red_escape_codeblock', $body);
$body = preg_replace_callback("/([^\]\='" . '"' . "\;\/\{\(]|^|\#\^)(https?\:\/\/[a-zA-Z0-9\pL\:\/\-\?\&\;\.\=\@\_\~\#\%\$\!\\+\,\(\)]+)/ismu", '\nakedoembed', $body);
$body = preg_replace_callback("/([^\]\='" . '"' . "\;\/\{\(]|^|\#\^)(https?\:\/\/[a-zA-Z0-9\pL\:\/\-\?\&\;\.\=\@\_\~\#\%\$\!\\+\,\(\)]+)/ismu", '\red_zrl_callback', $body);
$body = preg_replace_callback('/\[\$b64code(.*?)\[\/(code)\]/ism', '\red_unescape_codeblock', $body);
$body = preg_replace_callback('/\[\$b64url(.*?)\[\/(url)\]/ism', '\red_unescape_codeblock', $body);
$body = preg_replace_callback('/\[\$b64zrl(.*?)\[\/(zrl)\]/ism', '\red_unescape_codeblock', $body);
$body = preg_replace_callback('/\[\$b64svg(.*?)\[\/(svg)\]/ism', '\red_unescape_codeblock', $body);
$body = preg_replace_callback('/\[\$b64img(.*?)\[\/(img)\]/ism', '\red_unescape_codeblock', $body);
$body = preg_replace_callback('/\[\$b64zmg(.*?)\[\/(zmg)\]/ism', '\red_unescape_codeblock', $body);
$body = bb_code_unprotect($body);
// fix any img tags that should be zmg
$body = preg_replace_callback('/\[img(.*?)\](.*?)\[\/img\]/ism', '\red_zrlify_img_callback', $body);
$body = bb_translate_video($body);
/**
* Fold multi-line [code] sequences
*/
$body = preg_replace('/\[\/code\]\s*\[code\]/ism', "\n", $body);
return $body;
}
function gen_link_id($mid)
{
$mid = safe_param($mid);
// if (strpbrk($mid, ':/&?<>"\'') !== false) {
// return 'b64.' . base64url_encode($mid);
// }
return $mid;
}
function unpack_link_id($mid)
{
$mid = decode_safe_param($mid);
if (str_starts_with($mid, 'b64.')) {
$mid = base64url_decode(preg_replace('/[^A-Za-z0-9\-_].*/', '', substr($mid, 4)));
}
return $mid;
}
function safe_param($s) {
return str_replace( ['?', '&', '<', '>', '=', '"', '\'', '%20' ], [ '{3F}', '{26}', '{3C}', '{3E}', '{3D}', '{22}', '{27}' , '{20}'], $s);
}
function decode_safe_param($s) {
return str_replace( [ '{3F}', '{26}', '{3C}', '{3E}', '{3D}', '{22}', '{27}', '{20}' ], ['?', '&', '<', '>', '=', '"', '\'', '%20' ], $s);
}
// callback for array_walk
function array_trim(&$v, $k)
{
$v = trim($v);
}
function array_escape_tags(&$v, $k)
{
$v = escape_tags($v);
}
function ellipsify($s, $maxlen)
{
if ($maxlen & 1) {
$maxlen--;
}
if ($maxlen < 4) {
$maxlen = 4;
}
if (mb_strlen($s) < $maxlen) {
return $s;
}
return mb_substr($s, 0, $maxlen / 2) . '...' . mb_substr($s, mb_strlen($s) - ($maxlen / 2));
}
function purify_filename($s)
{
if (($s[0] === '.') || str_contains($s, '/')) {
return '';
}
return $s;
}
// callback for sorting the settings/featured entries.
function featured_sort($a, $b)
{
$s1 = substr($a, strpos($a, 'id='), 20);
$s2 = substr($b, strpos($b, 'id='), 20);
return(strcmp($s1, $s2));
}
function unpunify($s)
{
if (function_exists('idn_to_utf8') && isset($s)) {
return idn_to_utf8($s);
}
return $s;
}
function punify($s)
{
if (function_exists('idn_to_ascii') && isset($s)) {
return idn_to_ascii($s);
}
return $s;
}
function unique_multidim_array($array, $key)
{
$temp_array = [];
$i = 0;
$key_array = [];
foreach ($array as $val) {
if (!in_array($val[$key], $key_array)) {
$key_array[$i] = $val[$key];
$temp_array[$i] = $val;
}
$i++;
}
return $temp_array;
}
// Much prettier formatting than print_r()
// This assumes the output will be a web page and escapes angle-chars appropriately by default.
function print_array($arr, $escape = true, $level = 0)
{
$o = EMPTY_STR;
$tabs = EMPTY_STR;
if (is_array($arr)) {
for ($x = 0; $x <= $level; $x++) {
$tabs .= "\t";
}
$o .= '[' . "\n";
if (count($arr)) {
foreach ($arr as $k => $v) {
if (is_array($v)) {
$o .= $tabs . '[' . (($escape) ? escape_tags($k) : $k) . '] => ' . print_array($v, $escape, $level + 1) . "\n";
} else {
$o .= $tabs . '[' . (($escape) ? escape_tags($k) : $k) . '] => ' . print_val($v, $escape) . ",\n";
}
}
}
$o .= substr($tabs, 0, -1) . ']' . (($level) ? ',' : ';' ) . "\n";
return $o;
}
}
function print_val($v, $escape = true)
{
if (is_bool($v)) {
if ($v) {
return 'true';
}
return 'false';
}
if (is_string($v)) {
return "'" . (($escape) ? escape_tags($v) : $v) . "'";
}
return $v;
}
function array_path_exists($str, $arr)
{
if (! (isset($arr) && is_array($arr))) {
return false;
}
$ptr = $arr;
$search = explode('/', $str);
if ($search) {
foreach ($search as $s) {
if ($ptr && is_array($ptr) && array_key_exists($s, $ptr)) {
$ptr = $ptr[$s];
} else {
return false;
}
}
return true;
}
return false;
}
function get_forum_channels($uid, $collections = 0)
{
if (! $uid) {
return false;
}
if ($collections) {
$pagetype = $collections;
} else {
$pagetype = 1;
}
$r = q(
"select abook_id, xchan_hash, xchan_network, xchan_name, xchan_url, xchan_photo_s from abook left join xchan on abook_xchan = xchan_hash where xchan_deleted = 0 and abook_channel = %d and abook_pending = 0 and abook_ignored = 0 and abook_blocked = 0 and abook_archived = 0 and abook_self = 0 and xchan_type = %d order by xchan_name",
intval($uid),
intval($pagetype)
);
return $r;
}
function serialise($x)
{
return ((is_array($x)) ? 'json:' . json_encode($x) : $x);
}
function unserialise($x)
{
if (is_array($x)) {
return $x;
}
$y = ((str_starts_with($x, 'json:')) ? json_decode(substr($x, 5), true) : '');
return ((is_array($y)) ? $y : $x);
}
function obscurify($s)
{
return str_rot47(base64url_encode($s));
}
function unobscurify($s)
{
return base64url_decode(str_rot47($s));
}
/** @noinspection HtmlUnknownAttribute */
function svg2bb($s)
{
$s = preg_replace("/\(.*?)\<(.*?)\<\/text\>/", '$2<$3 ', $s);
$s = preg_replace("/\(.*?)\>(.*?)\<\/text\>/", '$2>$3 ', $s);
$s = preg_replace("/\(.*?)\[(.*?)\<\/text\>/", '$2[$3 ', $s);
$s = preg_replace("/\(.*?)\](.*?)\<\/text\>/", '$2]$3 ', $s);
// Deprecated in php 8.2, but we may not need it at all.
// $s = utf8_encode($s);
$purify = new SvgSanitizer();
if ($purify->loadXML($s)) {
$purify->sanitize();
$output = $purify->saveSVG();
$output = preg_replace("/\<\?xml(.*?)\>/", '', $output);
$output = preg_replace("/\<\!\-\-(.*?)\-\-\>/", '', $output);
$output = str_replace(['<','>'], ['[',']'], $output);
return $output;
}
return EMPTY_STR;
}
// Takes something that looks like a phone number and returns a string suitable for tel: protocol or false.
function is_phone_number($s)
{
$ext = substr($s, strpos($s, 'x') + 1);
if (! $ext) {
$ext = substr($s, strpos($s, 'X') + 1);
}
if ($ext && ctype_digit($ext)) {
$rext = ';ext=' . $ext;
$s = str_replace(['x' . $ext, 'X' . $ext], ['',''], $s);
} else {
$ext = EMPTY_STR;
}
$s = str_replace(['(',')',' ','-','+'], ['','','','',''], $s);
return ((ctype_digit($s)) ? $s . $rext : false);
}
/**
* fnmatch seems a bit unpredictable, so use this instead.
*/
function wildmat($pattern, $string)
{
return preg_match("#^" . strtr(preg_quote($pattern, '#'), [ '\*' => '.*', '\?' => '.', '\[' => '[', '\]' => ']' ]) . "$#i", $string);
}
function unicode_trim($s) {
return preg_replace('/^[\pZ\pC]+|[\pZ\pC]+$/u', '', $s);
}