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-rw-r--r--include/Scrape.php192
1 files changed, 191 insertions, 1 deletions
diff --git a/include/Scrape.php b/include/Scrape.php
index 002fdfb35..e5c10a9be 100644
--- a/include/Scrape.php
+++ b/include/Scrape.php
@@ -260,4 +260,194 @@ function scrape_feed($url) {
}
return $ret;
-}} \ No newline at end of file
+}}
+
+
+function probe_url($url) {
+
+ $result = array();
+
+ if(! $url)
+ return $result;
+
+ $diaspora = false;
+ $email_conversant = false;
+
+ if($url) {
+ $links = lrdd($url);
+
+ if(count($links)) {
+ foreach($links as $link) {
+ if($link['@attributes']['rel'] === NAMESPACE_DFRN)
+ $dfrn = unamp($link['@attributes']['href']);
+ if($link['@attributes']['rel'] === 'salmon')
+ $notify = unamp($link['@attributes']['href']);
+ if($link['@attributes']['rel'] === NAMESPACE_FEED)
+ $poll = unamp($link['@attributes']['href']);
+ if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
+ $hcard = unamp($link['@attributes']['href']);
+ if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
+ $profile = unamp($link['@attributes']['href']);
+ if($link['@attributes']['rel'] === 'http://joindiaspora.com/seed_location')
+ $diaspora = true;
+ }
+
+ // Status.Net can have more than one profile URL. We need to match the profile URL
+ // to a contact on incoming messages to prevent spam, and we won't know which one
+ // to match. So in case of two, one of them is stored as an alias. Only store URL's
+ // and not webfinger user@host aliases. If they've got more than two non-email style
+ // aliases, let's hope we're lucky and get one that matches the feed author-uri because
+ // otherwise we're screwed.
+
+ foreach($links as $link) {
+ if($link['@attributes']['rel'] === 'alias') {
+ if(strpos($link['@attributes']['href'],'@') === false) {
+ if(isset($profile)) {
+ if($link['@attributes']['href'] !== $profile)
+ $alias = unamp($link['@attributes']['href']);
+ }
+ else
+ $profile = unamp($link['@attributes']['href']);
+ }
+ }
+ }
+ }
+ else {
+ if((strpos($orig_url,'@')) && validate_email($orig_url)) {
+ $email_conversant = true;
+ }
+ }
+ }
+
+ if(strlen($dfrn)) {
+ $ret = scrape_dfrn($dfrn);
+ if(is_array($ret) && x($ret,'dfrn-request')) {
+ $network = NETWORK_DFRN;
+ $request = $ret['dfrn-request'];
+ $confirm = $ret['dfrn-confirm'];
+ $notify = $ret['dfrn-notify'];
+ $poll = $ret['dfrn-poll'];
+ }
+ }
+
+ if($network !== NETWORK_DFRN) {
+ $network = NETWORK_OSTATUS;
+ $priority = 0;
+
+ if($hcard) {
+ $vcard = scrape_vcard($hcard);
+
+ // Google doesn't use absolute url in profile photos
+
+ if((x($vcard,'photo')) && substr($vcard['photo'],0,1) == '/') {
+ $h = @parse_url($hcard);
+ if($h)
+ $vcard['photo'] = $h['scheme'] . '://' . $h['host'] . $vcard['photo'];
+ }
+
+ logger('probe_url: scrape_vcard: ' . print_r($vcard,true), LOGGER_DATA);
+ }
+
+ if(! $profile) {
+ if($diaspora)
+ $profile = $hcard;
+ else
+ $profile = $url;
+ }
+
+ if(! x($vcard,'fn'))
+ if(x($vcard,'nick'))
+ $vcard['fn'] = $vcard['nick'];
+
+ if((! isset($vcard)) && (! $poll)) {
+
+ $ret = scrape_feed($url);
+ logger('probe_url: scrape_feed returns: ' . print_r($ret,true), LOGGER_DATA);
+ if(count($ret) && ($ret['feed_atom'] || $ret['feed_rss'])) {
+ $poll = ((x($ret,'feed_atom')) ? unamp($ret['feed_atom']) : unamp($ret['feed_rss']));
+ $vcard = array();
+ if(x($ret,'photo'))
+ $vcard['photo'] = $ret['photo'];
+ require_once('simplepie/simplepie.inc');
+ $feed = new SimplePie();
+ $xml = fetch_url($poll);
+
+ $feed->set_raw_data($xml);
+
+ $feed->init();
+
+ if(! x($vcard,'photo'))
+ $vcard['photo'] = $feed->get_image_url();
+ $author = $feed->get_author();
+ if($author) {
+ $vcard['fn'] = unxmlify(trim($author->get_name()));
+ if(! $vcard['fn'])
+ $vcard['fn'] = trim(unxmlify($author->get_email()));
+ if(strpos($vcard['fn'],'@') !== false)
+ $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
+ $vcard['nick'] = strtolower(notags(unxmlify($vcard['fn'])));
+ if(strpos($vcard['nick'],' '))
+ $vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
+ $email = unxmlify($author->get_email());
+ }
+ else {
+ $item = $feed->get_item(0);
+ if($item) {
+ $author = $item->get_author();
+ if($author) {
+ $vcard['fn'] = trim(unxmlify($author->get_name()));
+ if(! $vcard['fn'])
+ $vcard['fn'] = trim(unxmlify($author->get_email()));
+ if(strpos($vcard['fn'],'@') !== false)
+ $vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
+ $vcard['nick'] = strtolower(unxmlify($vcard['fn']));
+ if(strpos($vcard['nick'],' '))
+ $vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
+ $email = unxmlify($author->get_email());
+ }
+ if(! $vcard['photo']) {
+ $rawmedia = $item->get_item_tags('http://search.yahoo.com/mrss/','thumbnail');
+ if($rawmedia && $rawmedia[0]['attribs']['']['url'])
+ $vcard['photo'] = unxmlify($rawmedia[0]['attribs']['']['url']);
+ }
+ }
+ }
+ if((! $vcard['photo']) && strlen($email))
+ $vcard['photo'] = gravatar_img($email);
+ if($poll === $profile)
+ $lnk = $feed->get_permalink();
+ if(isset($lnk) && strlen($lnk))
+ $profile = $lnk;
+ if(! (x($vcard,'fn')))
+ $vcard['fn'] = notags($feed->get_title());
+ if(! (x($vcard,'fn')))
+ $vcard['fn'] = notags($feed->get_description());
+ $network = 'feed';
+ $priority = 2;
+ }
+ }
+ }
+
+ if(! x($vcard,'photo')) {
+ $a = get_app();
+ $vcard['photo'] = $a->get_baseurl() . '/images/default-profile.jpg' ;
+ }
+ $vcard['fn'] = notags($vcard['fn']);
+ $vcard['nick'] = notags($vcard['nick']);
+
+ $result['name'] = $vcard['fn'];
+ $result['nick'] = $vcard['nick'];
+ $result['url'] = $profile;
+ $result['notify'] = $notify;
+ $result['poll'] = $poll;
+ $result['request'] = $request;
+ $result['confirm'] = $confirm;
+ $result['photo'] = $vcard['photo'];
+ $result['priority'] = $priority;
+ $result['network'] = $network;
+ $result['alias'] = $alias;
+
+ logger('probe_url: ' . print_r($result,true), LOGGER_DEBUG);
+
+ return $result;
+}