3 require_once('Scrape.php');
5 function follow_post(&$a) {
8 notice( t('Permission denied.') . EOL);
9 goaway($_SESSION['return_url']);
13 $url = $orig_url = notags(trim($_POST['url']));
15 $email_conversant = false;
20 foreach($links as $link) {
21 if($link['@attributes']['rel'] === NAMESPACE_DFRN)
22 $dfrn = $link['@attributes']['href'];
23 if($link['@attributes']['rel'] === 'salmon')
24 $notify = $link['@attributes']['href'];
25 if($link['@attributes']['rel'] === NAMESPACE_FEED)
26 $poll = $link['@attributes']['href'];
27 if($link['@attributes']['rel'] === 'http://microformats.org/profile/hcard')
28 $hcard = $link['@attributes']['href'];
29 if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
30 $profile = $link['@attributes']['href'];
34 // Status.Net can have more than one profile URL. We need to match the profile URL
35 // to a contact on incoming messages to prevent spam, and we won't know which one
36 // to match. So in case of two, one of them is stored as an alias. Only store URL's
37 // and not webfinger user@host aliases. If they've got more than two non-email style
38 // aliases, let's hope we're lucky and get one that matches the feed author-uri because
39 // otherwise we're screwed.
41 foreach($links as $link) {
42 if($link['@attributes']['rel'] === 'alias') {
43 if(strpos($link['@attributes']['href'],'@') === false) {
45 if($link['@attributes']['href'] !== $profile)
46 $alias = $link['@attributes']['href'];
49 $profile = $link['@attributes']['href'];
55 if((strpos($orig_url,'@')) && validate_email($orig_url)) {
56 $email_conversant = true;
61 // If we find a DFRN site, send our subscriber to the other person's
62 // dfrn_request page and all the other details will get sorted.
65 $ret = scrape_dfrn($dfrn);
66 if(is_array($ret) && x($ret,'dfrn-request')) {
68 $myaddr = bin2hex($a->get_baseurl() . '/profile/' . $a->user['nickname']);
70 $myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
72 goaway($ret['dfrn-request'] . "&addr=$myaddr");
82 $vcard = scrape_vcard($hcard);
84 // Google doesn't use absolute url in profile photos
86 if((x($vcard,'photo')) && substr($vcard['photo'],0,1) == '/') {
87 $h = parse_url($hcard);
89 $vcard['photo'] = $h['scheme'] . '://' . $h['host'] . $vcard['photo'];
99 $vcard['fn'] = $vcard['nick'];
101 if((! isset($vcard)) && (! $poll)) {
103 $ret = scrape_feed($url);
105 if(count($ret) && ($ret['feed_atom'] || $ret['feed_rss'])) {
106 $poll = ((x($ret,'feed_atom')) ? $ret['feed_atom'] : $ret['feed_rss']);
108 require_once('simplepie/simplepie.inc');
109 $feed = new SimplePie();
110 $xml = fetch_url($poll);
112 $feed->set_raw_data($xml);
116 $vcard['photo'] = $feed->get_image_url();
117 $author = $feed->get_author();
119 $vcard['fn'] = trim($author->get_name());
120 $vcard['nick'] = strtolower($vcard['fn']);
121 if(strpos($vcard['nick'],' '))
122 $vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
123 $email = $author->get_email();
126 $item = $feed->get_item(0);
128 $author = $item->get_author();
130 $vcard['fn'] = trim($author->get_name());
131 $vcard['nick'] = strtolower($vcard['fn']);
132 if(strpos($vcard['nick'],' '))
133 $vcard['nick'] = trim(substr($vcard['nick'],0,strpos($vcard['nick'],' ')));
134 $email = $author->get_email();
136 if(! $vcard['photo']) {
137 $rawmedia = $item->get_item_tags('http://search.yahoo.com/mrss/','thumbnail');
138 if($rawmedia && $rawmedia[0]['attribs']['']['url'])
139 $vcard['photo'] = $rawmedia[0]['attribs']['']['url'];
143 if((! $vcard['photo']) && strlen($email))
144 $vcard['photo'] = gravatar_img($email);
151 logger('follow: poll=' . $poll . ' notify=' . $notify . ' profile=' . $profile . ' vcard=' . print_r($vcard,true));
153 // do we have enough information?
155 if(! ((x($vcard['fn'])) && ($poll) && ($profile))) {
156 notice( t('The profile address specified does not provide adequate information.') . EOL);
157 goaway($_SESSION['return_url']);
161 notice( t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL);
164 if(! x($vcard,'photo'))
165 $vcard['photo'] = $a->get_baseurl() . '/images/default-profile.jpg' ;
167 // check if we already have a contact
168 // the poll url is more reliable than the profile url, as we may have
169 // indirect links or webfinger links
171 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` = '%s' LIMIT 1",
172 intval(local_user()),
178 if($r[0]['rel'] == REL_VIP) {
179 q("UPDATE `contact` SET `rel` = %d , `readonly` = 0 WHERE `id` = %d AND `uid` = %d LIMIT 1",
187 // create contact record
188 $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `alias`, `notify`, `poll`, `name`, `nick`, `photo`, `network`, `rel`, `priority`,
189 `blocked`, `readonly`, `pending` )
190 VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, 0, 0, 0 ) ",
191 intval(local_user()),
192 dbesc(datetime_convert()),
198 dbesc($vcard['nick']),
199 dbesc($vcard['photo']),
206 $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
212 notice( t('Unable to retrieve contact information.') . EOL);
213 goaway($_SESSION['return_url']);
218 $contact_id = $r[0]['id'];
220 require_once("Photo.php");
222 $photos = import_profile_photo($vcard['photo'],local_user(),$contact_id);
224 $r = q("UPDATE `contact` SET `photo` = '%s',
230 WHERE `id` = %d LIMIT 1
235 dbesc(datetime_convert()),
236 dbesc(datetime_convert()),
237 dbesc(datetime_convert()),
242 // pull feed and consume it, which should subscribe to the hub.
244 $php_path = ((x($a->config,'php_path') && strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
245 //proc_close(proc_open("\"$php_path\" \"include/poller.php\" \"$contact_id\" &", array(), $foo));
246 proc_run($php_path,"include/poller.php","$contact_id");
248 // create a follow slap
250 $tpl = load_view_file('view/follow_slap.tpl');
251 $slap = replace_macros($tpl, array(
252 '$name' => $a->user['username'],
253 '$profile_page' => $a->get_baseurl() . '/profile/' . $a->user['nickname'],
254 '$photo' => $a->contact['photo'],
255 '$thumb' => $a->contact['thumb'],
256 '$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME),
257 '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':follow:' . random_string(),
260 '$content' => t('following'),
261 '$nick' => $a->user['nickname'],
262 '$verb' => ACTIVITY_FOLLOW,
263 '$ostat_follow' => ''
266 $r = q("SELECT `contact`.*, `user`.* FROM `contact` LEFT JOIN `user` ON `contact`.`uid` = `user`.`uid`
267 WHERE `user`.`uid` = %d AND `contact`.`self` = 1 LIMIT 1",
272 if((count($r)) && (x($contact,'notify')) && (strlen($contact['notify']))) {
273 require_once('include/salmon.php');
274 slapper($r[0],$contact['notify'],$slap);
277 goaway($_SESSION['return_url']);