- if(! allowed_url($url)) {
- notice( t('Disallowed profile URL.') . EOL);
- goaway($_SESSION['return_url']);
- // NOTREACHED
- }
-
- $ret = probe_url($url);
-
- if($ret['network'] === NETWORK_DFRN) {
- if(strlen($a->path))
- $myaddr = bin2hex($a->get_baseurl() . '/profile/' . $a->user['nickname']);
- else
- $myaddr = bin2hex($a->user['nickname'] . '@' . $a->get_hostname());
-
- goaway($ret['request'] . "&addr=$myaddr");
-
- // NOTREACHED
- }
- else {
- if(get_config('system','dfrn_only')) {
- notice( t('This site is not configured to allow communications with other networks.') . EOL);
- notice( t('No compatible communication protocols or feeds were discovered.') . EOL);
- goaway($_SESSION['return_url']);
- }
- }
-
- // do we have enough information?
-
- if(! ((x($ret,'name')) && (x($ret,'poll')) && ((x($ret,'url')) || (x($ret,'addr'))))) {
- notice( t('The profile address specified does not provide adequate information.') . EOL);
- if(! x($ret,'poll'))
- notice( t('No compatible communication protocols or feeds were discovered.') . EOL);
- if(! x($ret,'name'))
- notice( t('An author or name was not found.') . EOL);
- if(! x($ret,'url'))
- notice( t('No browser URL could be matched to this address.') . EOL);
- if(strpos($url,'@') !== false)
- notice('Unable to match @-style Identity Address with a known protocol or email contact');
- goaway($_SESSION['return_url']);
- }
-
- if($ret['network'] === NETWORK_OSTATUS && get_config('system','ostatus_disabled')) {
- notice( t('The profile address specified belongs to a network which has been disabled on this site.') . EOL);
- $ret['notify'] = '';
- }
-
- if(! $ret['notify']) {
- notice( t('Limited profile. This person will be unable to receive direct/personal notifications from you.') . EOL);
- }
-
- $writeable = ((($ret['network'] === NETWORK_OSTATUS) && ($ret['notify'])) ? 1 : 0);
- if($ret['network'] === NETWORK_MAIL) {
- $writeable = 1;
-
- }
- if($ret['network'] === NETWORK_DIASPORA)
- $writeable = 1;
-
- // check if we already have a contact
- // the poll url is more reliable than the profile url, as we may have
- // indirect links or webfinger links
-
- $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `poll` = '%s' LIMIT 1",
- intval(local_user()),
- dbesc($ret['poll'])
- );
-
- if(count($r)) {
- // update contact
- if($r[0]['rel'] == CONTACT_IS_FOLLOWER || ($network === NETWORK_DIASPORA && $r[0]['rel'] == CONTACT_IS_SHARING)) {
- q("UPDATE `contact` SET `rel` = %d , `readonly` = 0 WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval(CONTACT_IS_FRIEND),
- intval($r[0]['id']),
- intval(local_user())
- );
- }
- }
- else {
-
- $new_relation = (($ret['network'] === NETWORK_MAIL) ? CONTACT_IS_FRIEND : CONTACT_IS_SHARING);
- if($ret['network'] === NETWORK_DIASPORA)
- $new_relation = CONTACT_IS_FOLLOWER;
-
- // create contact record
- $r = q("INSERT INTO `contact` ( `uid`, `created`, `url`, `addr`, `alias`, `notify`, `poll`, `name`, `nick`, `photo`, `network`, `rel`, `priority`,
- `writable`, `blocked`, `readonly`, `pending` )
- VALUES ( %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, %d, 0, 0, 0 ) ",
- intval(local_user()),
- dbesc(datetime_convert()),
- dbesc($ret['url']),
- dbesc($ret['addr']),
- dbesc($ret['alias']),
- dbesc($ret['notify']),
- dbesc($ret['poll']),
- dbesc($ret['name']),
- dbesc($ret['nick']),
- dbesc($ret['photo']),
- dbesc($ret['network']),
- intval($new_relation),
- intval($ret['priority']),
- intval($writeable)
- );
- }
-
- $r = q("SELECT * FROM `contact` WHERE `url` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($ret['url']),
- intval(local_user())
- );
-
- if(! count($r)) {
- notice( t('Unable to retrieve contact information.') . EOL);
- goaway($_SESSION['return_url']);
- // NOTREACHED