- public static function parseXmlString($s, $strict = true)
- {
- // the "strict" parameter is deactivated
-
- /// @todo Move this function to the xml class
- libxml_use_internal_errors(true);
-
- $x = @simplexml_load_string($s);
- if (!$x) {
- logger('libxml: parse: error: ' . $s, LOGGER_DATA);
- foreach (libxml_get_errors() as $err) {
- logger('libxml: parse: ' . $err->code." at ".$err->line.":".$err->column." : ".$err->message, LOGGER_DATA);
- }
- libxml_clear_errors();
- }
- return $x;
- }
-
- public static function scaleExternalImages($srctext, $include_link = true, $scale_replace = false)
- {
- // Suppress "view full size"
- if (intval(Config::get('system', 'no_view_full_size'))) {
- $include_link = false;
- }
-
- // Picture addresses can contain special characters
- $s = htmlspecialchars_decode($srctext);
-
- $matches = null;
- $c = preg_match_all('/\[img.*?\](.*?)\[\/img\]/ism', $s, $matches, PREG_SET_ORDER);
- if ($c) {
- foreach ($matches as $mtch) {
- logger('scale_external_image: ' . $mtch[1]);
-
- $hostname = str_replace('www.', '', substr(System::baseUrl(), strpos(System::baseUrl(), '://') + 3));
- if (stristr($mtch[1], $hostname)) {
- continue;
- }
-
- // $scale_replace, if passed, is an array of two elements. The
- // first is the name of the full-size image. The second is the
- // name of a remote, scaled-down version of the full size image.
- // This allows Friendica to display the smaller remote image if
- // one exists, while still linking to the full-size image
- if ($scale_replace) {
- $scaled = str_replace($scale_replace[0], $scale_replace[1], $mtch[1]);
- } else {
- $scaled = $mtch[1];
- }
- $i = fetch_url($scaled);
- if (! $i) {
- return $srctext;
- }
-
- // guess mimetype from headers or filename
- $type = Image::guessType($mtch[1], true);
-
- if ($i) {
- $Image = new Image($i, $type);
- if ($Image->isValid()) {
- $orig_width = $Image->getWidth();
- $orig_height = $Image->getHeight();
-
- if ($orig_width > 640 || $orig_height > 640) {
- $Image->scaleDown(640);
- $new_width = $Image->getWidth();
- $new_height = $Image->getHeight();
- logger('scale_external_images: ' . $orig_width . '->' . $new_width . 'w ' . $orig_height . '->' . $new_height . 'h' . ' match: ' . $mtch[0], LOGGER_DEBUG);
- $s = str_replace(
- $mtch[0],
- '[img=' . $new_width . 'x' . $new_height. ']' . $scaled . '[/img]'
- . "\n" . (($include_link)
- ? '[url=' . $mtch[1] . ']' . L10n::t('view full size') . '[/url]' . "\n"
- : ''),
- $s
- );
- logger('scale_external_images: new string: ' . $s, LOGGER_DEBUG);
- }
- }
- }
- }
- }
-
- // replace the special char encoding
- $s = htmlspecialchars($s, ENT_NOQUOTES, 'UTF-8');
- return $s;
- }
-
- public static function fixContactSslPolicy(&$contact, $new_policy)
- {
- $ssl_changed = false;
- if ((intval($new_policy) == SSL_POLICY_SELFSIGN || $new_policy === 'self') && strstr($contact['url'], 'https:')) {
- $ssl_changed = true;
- $contact['url'] = str_replace('https:', 'http:', $contact['url']);
- $contact['request'] = str_replace('https:', 'http:', $contact['request']);
- $contact['notify'] = str_replace('https:', 'http:', $contact['notify']);
- $contact['poll'] = str_replace('https:', 'http:', $contact['poll']);
- $contact['confirm'] = str_replace('https:', 'http:', $contact['confirm']);
- $contact['poco'] = str_replace('https:', 'http:', $contact['poco']);
- }
-
- if ((intval($new_policy) == SSL_POLICY_FULL || $new_policy === 'full') && strstr($contact['url'], 'http:')) {
- $ssl_changed = true;
- $contact['url'] = str_replace('http:', 'https:', $contact['url']);
- $contact['request'] = str_replace('http:', 'https:', $contact['request']);
- $contact['notify'] = str_replace('http:', 'https:', $contact['notify']);
- $contact['poll'] = str_replace('http:', 'https:', $contact['poll']);
- $contact['confirm'] = str_replace('http:', 'https:', $contact['confirm']);
- $contact['poco'] = str_replace('http:', 'https:', $contact['poco']);
- }
-
- if ($ssl_changed) {
- $fields = ['url' => $contact['url'], 'request' => $contact['request'],
- 'notify' => $contact['notify'], 'poll' => $contact['poll'],
- 'confirm' => $contact['confirm'], 'poco' => $contact['poco']];
- dba::update('contact', $fields, ['id' => $contact['id']]);
- }
- }
-