540 lines
14 KiB
PHP
540 lines
14 KiB
PHP
<?php
|
|
|
|
require_once('library/HTML5/Parser.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;
|
|
}
|
|
}
|
|
|
|
|
|
$dom = HTML5_Parser::parse($s);
|
|
|
|
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
|
|
|
|
$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'))
|
|
$ret['photo'] = $x->getAttribute('src');
|
|
if(attribute_contains($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;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
$dom = HTML5_Parser::parse($s);
|
|
|
|
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;
|
|
}
|
|
}
|
|
|
|
$dom = HTML5_Parser::parse($s);
|
|
|
|
if(! $dom)
|
|
return $ret;
|
|
|
|
// Pull out hCard profile elements
|
|
|
|
$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')))
|
|
$ret['photo'] = $x->getAttribute('src');
|
|
if((attribute_contains($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);
|
|
|
|
if(! $s)
|
|
return $ret;
|
|
|
|
$headers = $a->get_curl_headers();
|
|
logger('scrape_feed: headers=' . $headers, LOGGER_DEBUG);
|
|
|
|
$lines = explode("\n",$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;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
$dom = HTML5_Parser::parse($s);
|
|
|
|
if(! $dom)
|
|
return $ret;
|
|
|
|
|
|
$items = $dom->getElementsByTagName('img');
|
|
|
|
// get img elements (twitter)
|
|
|
|
if($items) {
|
|
foreach($items as $item) {
|
|
$x = $item->getAttribute('id');
|
|
if($x === 'profile-image') {
|
|
$ret['photo'] = $item->getAttribute('src');
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
$head = $dom->getElementsByTagName('base');
|
|
if($head) {
|
|
foreach($head as $head0) {
|
|
$basename = $head0->getAttribute('href');
|
|
break;
|
|
}
|
|
}
|
|
if(! $basename)
|
|
$basename = substr($url,0,strrpos($url,'/')) . '/';
|
|
|
|
$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 $ret;
|
|
}}
|
|
|
|
|
|
function probe_url($url) {
|
|
require_once('include/email.php');
|
|
|
|
$result = array();
|
|
|
|
if(! $url)
|
|
return $result;
|
|
|
|
$diaspora = false;
|
|
$email_conversant = false;
|
|
|
|
$twitter = ((strpos($url,'twitter.com') !== false) ? true : false);
|
|
|
|
if(! $twitter) {
|
|
$links = lrdd($url);
|
|
|
|
if(count($links)) {
|
|
logger('probe_url: found lrdd links: ' . print_r($links,true), LOGGER_DATA);
|
|
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 {
|
|
|
|
// 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);
|
|
unset($password);
|
|
}
|
|
if($mbox) {
|
|
$msgs = email_poll($mbox,$orig_url);
|
|
if(count($msgs)) {
|
|
$addr = $orig_url;
|
|
$network = NETWORK_MAIL;
|
|
$name = substr($url,0,strpos($url,'@'));
|
|
$profile = 'http://' . substr($url,strpos($url,'@')+1);
|
|
// fix nick character range
|
|
$vcard = array('fn' => $name, 'nick' => $name, 'photo' => gravatar_img($url));
|
|
$notify = 'smtp ' . random_string();
|
|
$poll = 'email ' . random_string();
|
|
$priority = 0;
|
|
$x = email_msg_meta($mbox,$msgs[0]);
|
|
if(stristr($x->from,$orig_url))
|
|
$adr = imap_rfc822_parse_adrlist($x->from,'');
|
|
elseif(stristr($x->to,$orig_url))
|
|
$adr = imap_rfc822_parse_adrlist($x->to,'');
|
|
if(isset($adr) && strlen($adr[0]->personal))
|
|
$vcard['fn'] = notags($adr[0]->personal);
|
|
}
|
|
imap_close($mbox);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(strlen($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_MAIL) {
|
|
$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 = $url;
|
|
}
|
|
|
|
if($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/#!/' . $tid;
|
|
}
|
|
|
|
if(! x($vcard,'fn'))
|
|
if(x($vcard,'nick'))
|
|
$vcard['fn'] = $vcard['nick'];
|
|
|
|
|
|
if(((! isset($vcard)) && (! $poll)) || ($twitter)) {
|
|
|
|
$feedret = scrape_feed($url);
|
|
logger('probe_url: scrape_feed 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']));
|
|
$vcard = array();
|
|
}
|
|
|
|
if(x($feedret,'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());
|
|
}
|
|
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(! $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());
|
|
|
|
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'],' ')));
|
|
}
|
|
$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['addr'] = $addr;
|
|
$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;
|
|
}
|