relocated "follow" url scraping code so it can be used elsewhere (contact repair, etc.)
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Friendika
parent
d21144d0a3
commit
13eaa802e4
2 changed files with 215 additions and 183 deletions
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@ -260,4 +260,194 @@ function scrape_feed($url) {
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}
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return $ret;
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}}
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}}
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function probe_url($url) {
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$result = array();
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if(! $url)
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return $result;
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$diaspora = false;
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$email_conversant = false;
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if($url) {
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$links = lrdd($url);
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if(count($links)) {
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foreach($links as $link) {
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if($link['@attributes']['rel'] === NAMESPACE_DFRN)
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$dfrn = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === 'salmon')
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$notify = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === NAMESPACE_FEED)
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$poll = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
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$hcard = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
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$profile = unamp($link['@attributes']['href']);
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if($link['@attributes']['rel'] === 'http://joindiaspora.com/seed_location')
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$diaspora = true;
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}
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// Status.Net can have more than one profile URL. We need to match the profile URL
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// to a contact on incoming messages to prevent spam, and we won't know which one
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// to match. So in case of two, one of them is stored as an alias. Only store URL's
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// and not webfinger user@host aliases. If they've got more than two non-email style
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// aliases, let's hope we're lucky and get one that matches the feed author-uri because
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// otherwise we're screwed.
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foreach($links as $link) {
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if($link['@attributes']['rel'] === 'alias') {
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if(strpos($link['@attributes']['href'],'@') === false) {
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if(isset($profile)) {
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if($link['@attributes']['href'] !== $profile)
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$alias = unamp($link['@attributes']['href']);
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}
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else
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$profile = unamp($link['@attributes']['href']);
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}
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}
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}
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}
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else {
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if((strpos($orig_url,'@')) && validate_email($orig_url)) {
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$email_conversant = true;
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}
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}
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}
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if(strlen($dfrn)) {
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$ret = scrape_dfrn($dfrn);
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if(is_array($ret) && x($ret,'dfrn-request')) {
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$network = NETWORK_DFRN;
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$request = $ret['dfrn-request'];
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$confirm = $ret['dfrn-confirm'];
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$notify = $ret['dfrn-notify'];
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$poll = $ret['dfrn-poll'];
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}
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}
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if($network !== NETWORK_DFRN) {
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$network = NETWORK_OSTATUS;
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$priority = 0;
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if($hcard) {
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$vcard = scrape_vcard($hcard);
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// Google doesn't use absolute url in profile photos
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if((x($vcard,'photo')) && substr($vcard['photo'],0,1) == '/') {
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$h = @parse_url($hcard);
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if($h)
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$vcard['photo'] = $h['scheme'] . '://' . $h['host'] . $vcard['photo'];
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}
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logger('probe_url: scrape_vcard: ' . print_r($vcard,true), LOGGER_DATA);
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}
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if(! $profile) {
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if($diaspora)
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$profile = $hcard;
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else
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$profile = $url;
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}
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if(! x($vcard,'fn'))
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if(x($vcard,'nick'))
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$vcard['fn'] = $vcard['nick'];
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if((! isset($vcard)) && (! $poll)) {
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$ret = scrape_feed($url);
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logger('probe_url: scrape_feed returns: ' . print_r($ret,true), LOGGER_DATA);
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if(count($ret) && ($ret['feed_atom'] || $ret['feed_rss'])) {
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$poll = ((x($ret,'feed_atom')) ? unamp($ret['feed_atom']) : unamp($ret['feed_rss']));
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$vcard = array();
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if(x($ret,'photo'))
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$vcard['photo'] = $ret['photo'];
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require_once('simplepie/simplepie.inc');
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$feed = new SimplePie();
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$xml = fetch_url($poll);
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$feed->set_raw_data($xml);
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$feed->init();
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if(! x($vcard,'photo'))
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$vcard['photo'] = $feed->get_image_url();
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$author = $feed->get_author();
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if($author) {
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$vcard['fn'] = unxmlify(trim($author->get_name()));
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if(! $vcard['fn'])
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$vcard['fn'] = trim(unxmlify($author->get_email()));
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if(strpos($vcard['fn'],'@') !== false)
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$vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
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$vcard['nick'] = strtolower(notags(unxmlify($vcard['fn'])));
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if(strpos($vcard['nick'],' '))
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$vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
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$email = unxmlify($author->get_email());
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}
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else {
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$item = $feed->get_item(0);
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if($item) {
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$author = $item->get_author();
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if($author) {
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$vcard['fn'] = trim(unxmlify($author->get_name()));
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if(! $vcard['fn'])
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$vcard['fn'] = trim(unxmlify($author->get_email()));
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if(strpos($vcard['fn'],'@') !== false)
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$vcard['fn'] = substr($vcard['fn'],0,strpos($vcard['fn'],'@'));
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$vcard['nick'] = strtolower(unxmlify($vcard['fn']));
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if(strpos($vcard['nick'],' '))
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$vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
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$email = unxmlify($author->get_email());
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}
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if(! $vcard['photo']) {
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$rawmedia = $item->get_item_tags('http://search.yahoo.com/mrss/','thumbnail');
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if($rawmedia && $rawmedia[0]['attribs']['']['url'])
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$vcard['photo'] = unxmlify($rawmedia[0]['attribs']['']['url']);
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}
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}
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}
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if((! $vcard['photo']) && strlen($email))
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$vcard['photo'] = gravatar_img($email);
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if($poll === $profile)
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$lnk = $feed->get_permalink();
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if(isset($lnk) && strlen($lnk))
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$profile = $lnk;
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if(! (x($vcard,'fn')))
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$vcard['fn'] = notags($feed->get_title());
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if(! (x($vcard,'fn')))
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$vcard['fn'] = notags($feed->get_description());
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$network = 'feed';
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$priority = 2;
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}
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}
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}
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if(! x($vcard,'photo')) {
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$a = get_app();
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$vcard['photo'] = $a->get_baseurl() . '/images/default-profile.jpg' ;
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}
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$vcard['fn'] = notags($vcard['fn']);
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$vcard['nick'] = notags($vcard['nick']);
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$result['name'] = $vcard['fn'];
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$result['nick'] = $vcard['nick'];
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$result['url'] = $profile;
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$result['notify'] = $notify;
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$result['poll'] = $poll;
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$result['request'] = $request;
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$result['confirm'] = $confirm;
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$result['photo'] = $vcard['photo'];
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$result['priority'] = $priority;
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$result['network'] = $network;
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$result['alias'] = $alias;
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logger('probe_url: ' . print_r($result,true), LOGGER_DEBUG);
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return $result;
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}
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