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author | friendica <info@friendica.com> | 2013-03-10 20:39:27 -0700 |
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committer | friendica <info@friendica.com> | 2013-03-10 20:39:27 -0700 |
commit | 26499981b6c18879cfb1d7ddb8321b965277a5fd (patch) | |
tree | 0268b6732aafe167e1036bc566c13a54d7854d99 /include/Scrape.php | |
parent | 952b2ef2ab256d46d616db70edc42ffe640a5e9d (diff) | |
download | volse-hubzilla-26499981b6c18879cfb1d7ddb8321b965277a5fd.tar.gz volse-hubzilla-26499981b6c18879cfb1d7ddb8321b965277a5fd.tar.bz2 volse-hubzilla-26499981b6c18879cfb1d7ddb8321b965277a5fd.zip |
cleanup
Diffstat (limited to 'include/Scrape.php')
-rw-r--r-- | include/Scrape.php | 712 |
1 files changed, 0 insertions, 712 deletions
diff --git a/include/Scrape.php b/include/Scrape.php deleted file mode 100644 index b1138091c..000000000 --- a/include/Scrape.php +++ /dev/null @@ -1,712 +0,0 @@ -<?php /** @file */ - -require_once('library/HTML5/Parser.php'); -require_once('include/crypto.php'); - -if(! function_exists('scrape_dfrn')) { -function scrape_dfrn($url) { - - $a = get_app(); - - $ret = array(); - - logger('scrape_dfrn: url=' . $url); - - $s = fetch_url($url); - - if(! $s) - return $ret; - - $headers = $a->get_curl_headers(); - logger('scrape_dfrn: headers=' . $headers, LOGGER_DEBUG); - - - $lines = explode("\n",$headers); - if(count($lines)) { - foreach($lines as $line) { - // don't try and run feeds through the html5 parser - if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml')))) - return ret; - } - } - - try { - $dom = HTML5_Parser::parse($s); - } catch (DOMException $e) { - logger('scrape_dfrn: parse error: ' . $e); - } - - if(! $dom) - return $ret; - - $items = $dom->getElementsByTagName('link'); - - // get DFRN link elements - - foreach($items as $item) { - $x = $item->getAttribute('rel'); - if(($x === 'alternate') && ($item->getAttribute('type') === 'application/atom+xml')) - $ret['feed_atom'] = $item->getAttribute('href'); - if(substr($x,0,5) == "dfrn-") { - $ret[$x] = $item->getAttribute('href'); - } - if($x === 'lrdd') { - $decoded = urldecode($item->getAttribute('href')); - if(preg_match('/acct:([^@]*)@/',$decoded,$matches)) - $ret['nick'] = $matches[1]; - } - } - - // Pull out hCard profile elements - - $largest_photo = 0; - - $items = $dom->getElementsByTagName('*'); - foreach($items as $item) { - if(attribute_contains($item->getAttribute('class'), 'vcard')) { - $level2 = $item->getElementsByTagName('*'); - foreach($level2 as $x) { - if(attribute_contains($x->getAttribute('class'),'fn')) { - $ret['fn'] = $x->textContent; - } - if((attribute_contains($x->getAttribute('class'),'photo')) - || (attribute_contains($x->getAttribute('class'),'avatar'))) { - $size = intval($x->getAttribute('width')); - // dfrn prefers 175, so if we find this, we set largest_size so it can't be topped. - if(($size > $largest_photo) || ($size == 175) || (! $largest_photo)) { - $ret['photo'] = $x->getAttribute('src'); - $largest_photo = (($size == 175) ? 9999 : $size); - } - } - if(attribute_contains($x->getAttribute('class'),'key')) { - $ret['key'] = $x->textContent; - } - } - } - } - - return $ret; -}} - - - - - - -if(! function_exists('validate_dfrn')) { -function validate_dfrn($a) { - $errors = 0; - if(! x($a,'key')) - $errors ++; - if(! x($a,'dfrn-request')) - $errors ++; - if(! x($a,'dfrn-confirm')) - $errors ++; - if(! x($a,'dfrn-notify')) - $errors ++; - if(! x($a,'dfrn-poll')) - $errors ++; - return $errors; -}} - -if(! function_exists('scrape_meta')) { -function scrape_meta($url) { - - $a = get_app(); - - $ret = array(); - - logger('scrape_meta: url=' . $url); - - $s = fetch_url($url); - - if(! $s) - return $ret; - - $headers = $a->get_curl_headers(); - logger('scrape_meta: headers=' . $headers, LOGGER_DEBUG); - - $lines = explode("\n",$headers); - if(count($lines)) { - foreach($lines as $line) { - // don't try and run feeds through the html5 parser - if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml')))) - return ret; - } - } - - try { - $dom = HTML5_Parser::parse($s); - } catch (DOMException $e) { - logger('scrape_meta: parse error: ' . $e); - } - - if(! $dom) - return $ret; - - $items = $dom->getElementsByTagName('meta'); - - // get DFRN link elements - - foreach($items as $item) { - $x = $item->getAttribute('name'); - if(substr($x,0,5) == "dfrn-") - $ret[$x] = $item->getAttribute('content'); - } - - return $ret; -}} - - -if(! function_exists('scrape_vcard')) { -function scrape_vcard($url) { - - $a = get_app(); - - $ret = array(); - - logger('scrape_vcard: url=' . $url); - - $s = fetch_url($url); - - if(! $s) - return $ret; - - $headers = $a->get_curl_headers(); - $lines = explode("\n",$headers); - if(count($lines)) { - foreach($lines as $line) { - // don't try and run feeds through the html5 parser - if(stristr($line,'content-type:') && ((stristr($line,'application/atom+xml')) || (stristr($line,'application/rss+xml')))) - return ret; - } - } - - try { - $dom = HTML5_Parser::parse($s); - } catch (DOMException $e) { - logger('scrape_vcard: parse error: ' . $e); - } - - if(! $dom) - return $ret; - - // Pull out hCard profile elements - - $largest_photo = 0; - - $items = $dom->getElementsByTagName('*'); - foreach($items as $item) { - if(attribute_contains($item->getAttribute('class'), 'vcard')) { - $level2 = $item->getElementsByTagName('*'); - foreach($level2 as $x) { - if(attribute_contains($x->getAttribute('class'),'fn')) - $ret['fn'] = $x->textContent; - if((attribute_contains($x->getAttribute('class'),'photo')) - || (attribute_contains($x->getAttribute('class'),'avatar'))) { - $size = intval($x->getAttribute('width')); - if(($size > $largest_photo) || (! $largest_photo)) { - $ret['photo'] = $x->getAttribute('src'); - $largest_photo = $size; - } - } - if((attribute_contains($x->getAttribute('class'),'nickname')) - || (attribute_contains($x->getAttribute('class'),'uid'))) { - $ret['nick'] = $x->textContent; - } - } - } - } - - return $ret; -}} - - -if(! function_exists('scrape_feed')) { -function scrape_feed($url) { - - $a = get_app(); - - $ret = array(); - $s = fetch_url($url); - - $headers = $a->get_curl_headers(); - $code = $a->get_curl_code(); - - logger('scrape_feed: returns: ' . $code . ' headers=' . $headers, LOGGER_DEBUG); - - if(! $s) { - logger('scrape_feed: no data returned for ' . $url); - return $ret; - } - - - $lines = explode("\n",$headers); - if(count($lines)) { - foreach($lines as $line) { - if(stristr($line,'content-type:')) { - if(stristr($line,'application/atom+xml') || stristr($s,'<feed')) { - $ret['feed_atom'] = $url; - return $ret; - } - if(stristr($line,'application/rss+xml') || stristr($s,'<rss')) { - $ret['feed_rss'] = $url; - return $ret; - } - } - } - // perhaps an RSS version 1 feed with a generic or incorrect content-type? - if(stristr($s,'</item>')) { - $ret['feed_rss'] = $url; - return $ret; - } - } - - try { - $dom = HTML5_Parser::parse($s); - } catch (DOMException $e) { - logger('scrape_feed: parse error: ' . $e); - } - - if(! $dom) { - logger('scrape_feed: failed to parse.'); - return $ret; - } - - - $head = $dom->getElementsByTagName('base'); - if($head) { - foreach($head as $head0) { - $basename = $head0->getAttribute('href'); - break; - } - } - if(! $basename) - $basename = implode('/', array_slice(explode('/',$url),0,3)) . '/'; - - $items = $dom->getElementsByTagName('link'); - - // get Atom/RSS link elements, take the first one of either. - - if($items) { - foreach($items as $item) { - $x = $item->getAttribute('rel'); - if(($x === 'alternate') && ($item->getAttribute('type') === 'application/atom+xml')) { - if(! x($ret,'feed_atom')) - $ret['feed_atom'] = $item->getAttribute('href'); - } - if(($x === 'alternate') && ($item->getAttribute('type') === 'application/rss+xml')) { - if(! x($ret,'feed_rss')) - $ret['feed_rss'] = $item->getAttribute('href'); - } - } - } - - // Drupal and perhaps others only provide relative URL's. Turn them into absolute. - - if(x($ret,'feed_atom') && (! strstr($ret['feed_atom'],'://'))) - $ret['feed_atom'] = $basename . $ret['feed_atom']; - if(x($ret,'feed_rss') && (! strstr($ret['feed_rss'],'://'))) - $ret['feed_rss'] = $basename . $ret['feed_rss']; - - return $ret; -}} - - -/** - * - * Probe a network address to discover what kind of protocols we need to communicate with it. - * - * Warning: this function is a bit touchy and there are some subtle dependencies within the logic flow. - * Edit with care. - * - */ - -/** - * - * PROBE_DIASPORA has a bias towards returning Diaspora information - * while PROBE_NORMAL has a bias towards dfrn/zot - in the case where - * an address (such as a Friendica address) supports more than one type - * of network. - * - */ - - -define ( 'PROBE_NORMAL', 0); - -function probe_url($url, $mode = PROBE_NORMAL) { - require_once('include/email.php'); - - $result = array(); - - if(! $url) - return $result; - - $network = null; - $has_lrdd = false; - $email_conversant = false; - - $twitter = ((strpos($url,'twitter.com') !== false) ? true : false); - $lastfm = ((strpos($url,'last.fm/user') !== false) ? true : false); - - $at_addr = ((strpos($url,'@') !== false) ? true : false); - - if((! $twitter) && (! $lastfm)) { - - if(strpos($url,'mailto:') !== false && $at_addr) { - $url = str_replace('mailto:','',$url); - $links = array(); - } - else - $links = lrdd($url); - - if(count($links)) { - $has_lrdd = true; - - logger('probe_url: found lrdd links: ' . print_r($links,true), LOGGER_DATA); - foreach($links as $link) { - if($link['@attributes']['rel'] === NAMESPACE_ZOT) - $zot = unamp($link['@attributes']['href']); - 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://portablecontacts.net/spec/1.0') - $poco = unamp($link['@attributes']['href']); - - } - - // 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']); - } - } - } - } - elseif($mode == PROBE_NORMAL) { - - // Check email - - $orig_url = $url; - if((strpos($orig_url,'@')) && validate_email($orig_url)) { - $x = q("SELECT `prvkey` FROM `user` WHERE `uid` = %d LIMIT 1", - intval(local_user()) - ); - $r = q("SELECT * FROM `mailacct` WHERE `uid` = %d AND `server` != '' LIMIT 1", - intval(local_user()) - ); - if(count($x) && count($r)) { - $mailbox = construct_mailbox_name($r[0]); - $password = ''; - openssl_private_decrypt(hex2bin($r[0]['pass']),$password,$x[0]['prvkey']); - $mbox = email_connect($mailbox,$r[0]['user'],$password); - if(! $mbox) - logger('probe_url: email_connect failed.'); - unset($password); - } - if($mbox) { - $msgs = email_poll($mbox,$orig_url); - logger('probe_url: searching ' . $orig_url . ', ' . count($msgs) . ' messages found.', LOGGER_DEBUG); - if(count($msgs)) { - $addr = $orig_url; - $network = NETWORK_MAIL; - $name = substr($url,0,strpos($url,'@')); - $phost = substr($url,strpos($url,'@')+1); - $profile = 'http://' . $phost; - // fix nick character range - $vcard = array('fn' => $name, 'nick' => $name, 'photo' => avatar_img($url)); - $notify = 'smtp ' . random_string(); - $poll = 'email ' . random_string(); - $priority = 0; - $x = email_msg_meta($mbox,$msgs[0]); - if(stristr($x[0]->from,$orig_url)) - $adr = imap_rfc822_parse_adrlist($x[0]->from,''); - elseif(stristr($x[0]->to,$orig_url)) - $adr = imap_rfc822_parse_adrlist($x[0]->to,''); - if(isset($adr)) { - foreach($adr as $feadr) { - if((strcasecmp($feadr->mailbox,$name) == 0) - &&(strcasecmp($feadr->host,$phost) == 0) - && (strlen($feadr->personal))) { - - $personal = imap_mime_header_decode($feadr->personal); - $vcard['fn'] = ""; - foreach($personal as $perspart) - if ($perspart->charset != "default") - $vcard['fn'] .= iconv($perspart->charset, 'UTF-8//IGNORE', $perspart->text); - else - $vcard['fn'] .= $perspart->text; - - $vcard['fn'] = notags($vcard['fn']); - } - } - } - } - imap_close($mbox); - } - } - } - } - - if($mode == PROBE_NORMAL) { - if(strlen($zot)) { - $s = fetch_url($zot); - if($s) { - $j = json_decode($s); - if($j) { - $network = NETWORK_ZOT; - $vcard = array( - 'fn' => $j->fullname, - 'nick' => $j->nickname, - 'photo' => $j->photo - ); - $profile = $j->url; - $notify = $j->post; - $pubkey = $j->pubkey; - $poll = 'N/A'; - } - } - } - - if(strlen($dfrn)) { - $ret = scrape_dfrn(($hcard) ? $hcard : $dfrn); - if(is_array($ret) && x($ret,'dfrn-request')) { - $network = NETWORK_DFRN; - $request = $ret['dfrn-request']; - $confirm = $ret['dfrn-confirm']; - $notify = $ret['dfrn-notify']; - $poll = $ret['dfrn-poll']; - - $vcard = array(); - $vcard['fn'] = $ret['fn']; - $vcard['nick'] = $ret['nick']; - $vcard['photo'] = $ret['photo']; - } - } - } - - if($network !== NETWORK_ZOT && $network !== NETWORK_DFRN && $network !== NETWORK_MAIL) { - if($has_lrdd) - $network = NETWORK_OSTATUS; - $priority = 0; - - if($hcard && ! $vcard) { - $vcard = scrape_vcard($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($diaspora && $addr) { - // Diaspora returns the name as the nick. As the nick will never be updated, - // let's use the Diaspora nickname (the first part of the handle) as the nick instead - $addr_parts = explode('@', $addr); - $vcard['nick'] = $addr_parts[0]; - } - - if($twitter) { - logger('twitter: setup'); - $tid = basename($url); - $tapi = 'https://api.twitter.com/1/statuses/user_timeline.rss'; - if(intval($tid)) - $poll = $tapi . '?user_id=' . $tid; - else - $poll = $tapi . '?screen_name=' . $tid; - $profile = 'http://twitter.com/#!/' . $tid; - //$vcard['photo'] = 'https://api.twitter.com/1/users/profile_image/' . $tid; - $vcard['photo'] = 'https://api.twitter.com/1/users/profile_image?screen_name=' . $tid . '&size=bigger'; - $vcard['nick'] = $tid; - $vcard['fn'] = $tid; - } - - if($lastfm) { - $profile = $url; - $poll = str_replace(array('www.','last.fm/'),array('','ws.audioscrobbler.com/1.0/'),$url) . '/recenttracks.rss'; - $vcard['nick'] = basename($url); - $vcard['fn'] = $vcard['nick'] . t(' on Last.fm'); - $network = NETWORK_FEED; - } - - if(! x($vcard,'fn')) - if(x($vcard,'nick')) - $vcard['fn'] = $vcard['nick']; - - $check_feed = false; - - if($twitter || ! $poll) - $check_feed = true; - if((! isset($vcard)) || (! x($vcard,'fn')) || (! $profile)) - $check_feed = true; - if(($at_addr) && (! count($links))) - $check_feed = false; - - if($check_feed) { - - $feedret = scrape_feed(($poll) ? $poll : $url); - logger('probe_url: scrape_feed ' . (($poll)? $poll : $url) . ' returns: ' . print_r($feedret,true), LOGGER_DATA); - if(count($feedret) && ($feedret['feed_atom'] || $feedret['feed_rss'])) { - $poll = ((x($feedret,'feed_atom')) ? unamp($feedret['feed_atom']) : unamp($feedret['feed_rss'])); - if(! x($vcard)) - $vcard = array(); - } - - if(x($feedret,'photo') && (! x($vcard,'photo'))) - $vcard['photo'] = $feedret['photo']; - require_once('library/simplepie/simplepie.inc'); - $feed = new SimplePie(); - $xml = fetch_url($poll); - - logger('probe_url: fetch feed: ' . $poll . ' returns: ' . $xml, LOGGER_DATA); - $a = get_app(); - - logger('probe_url: scrape_feed: headers: ' . $a->get_curl_headers(), LOGGER_DATA); - - $feed->set_raw_data($xml); - - $feed->init(); - if($feed->error()) - logger('probe_url: scrape_feed: Error parsing XML: ' . $feed->error()); - - - if(! x($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'],'@')); - $email = unxmlify($author->get_email()); - if(! $profile && $author->get_link()) - $profile = trim(unxmlify($author->get_link())); - if(! $vcard['photo']) { - $rawtags = $feed->get_feed_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author'); - if($rawtags) { - $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]; - if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo')) - $vcard['photo'] = $elems['link'][0]['attribs']['']['href']; - } - } - } - 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'],'@')); - $email = unxmlify($author->get_email()); - if(! $profile && $author->get_link()) - $profile = trim(unxmlify($author->get_link())); - } - 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']) { - $rawtags = $item->get_item_tags( SIMPLEPIE_NAMESPACE_ATOM_10, 'author'); - if($rawtags) { - $elems = $rawtags[0]['child'][SIMPLEPIE_NAMESPACE_ATOM_10]; - if((x($elems,'link')) && ($elems['link'][0]['attribs']['']['rel'] === 'photo')) - $vcard['photo'] = $elems['link'][0]['attribs']['']['href']; - } - } - } - } - - if((! $vcard['photo']) && strlen($email)) - $vcard['photo'] = avatar_img($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()); - - if(strpos($vcard['fn'],'Twitter / ') !== false) { - $vcard['fn'] = substr($vcard['fn'],strpos($vcard['fn'],'/')+1); - $vcard['fn'] = trim($vcard['fn']); - } - if(! x($vcard,'nick')) { - $vcard['nick'] = strtolower(notags(unxmlify($vcard['fn']))); - if(strpos($vcard['nick'],' ')) - $vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' '))); - } - if(! $network) - $network = NETWORK_FEED; - if(! $priority) - $priority = 2; - } - } - - if(! x($vcard,'photo')) { - $a = get_app(); - $vcard['photo'] = $a->get_baseurl() . '/images/person-175.jpg' ; - } - - if(! $profile) - $profile = $url; - - // No human could be associated with this link, use the URL as the contact name - - if(($network === NETWORK_FEED) && ($poll) && (! x($vcard,'fn'))) - $vcard['fn'] = $url; - - $vcard['fn'] = notags($vcard['fn']); - $vcard['nick'] = str_replace(' ','',notags($vcard['nick'])); - - $result['name'] = $vcard['fn']; - $result['nick'] = $vcard['nick']; - $result['url'] = $profile; - $result['addr'] = $addr; - $result['batch'] = $batch; - $result['notify'] = $notify; - $result['poll'] = $poll; - $result['request'] = $request; - $result['confirm'] = $confirm; - $result['poco'] = $poco; - $result['photo'] = $vcard['photo']; - $result['priority'] = $priority; - $result['network'] = $network; - $result['alias'] = $alias; - $result['pubkey'] = $pubkey; - - logger('probe_url: ' . print_r($result,true), LOGGER_DEBUG); - - return $result; -} |