Example #1
0
 function register_post(&$a)
 {
     global $lang;
     $verified = 0;
     $blocked = 1;
     switch ($a->config['register_policy']) {
         case REGISTER_OPEN:
             $blocked = 0;
             $verified = 1;
             break;
         case REGISTER_APPROVE:
             $blocked = 1;
             $verified = 0;
             break;
         default:
         case REGISTER_CLOSED:
             if (!x($_SESSION, 'authenticated') && !x($_SESSION, 'administrator')) {
                 notice(t('Permission denied.') . EOL);
                 return;
             }
             $blocked = 1;
             $verified = 0;
             break;
     }
     $using_invites = get_config('system', 'invitation_only');
     $num_invites = get_config('system', 'number_invites');
     $invite_id = x($_POST, 'invite_id') ? notags(trim($_POST['invite_id'])) : '';
     $username = x($_POST, 'username') ? notags(trim($_POST['username'])) : '';
     $nickname = x($_POST, 'nickname') ? notags(trim($_POST['nickname'])) : '';
     $email = x($_POST, 'email') ? notags(trim($_POST['email'])) : '';
     $openid_url = x($_POST, 'openid_url') ? notags(trim($_POST['openid_url'])) : '';
     $photo = x($_POST, 'photo') ? notags(trim($_POST['photo'])) : '';
     $publish = x($_POST, 'profile_publish_reg') && intval($_POST['profile_publish_reg']) ? 1 : 0;
     $netpublish = strlen(get_config('system', 'directory_submit_url')) ? $publish : 0;
     $tmp_str = $openid_url;
     if ($using_invites) {
         if (!$invite_id) {
             notice(t('An invitation is required.') . EOL);
             return;
         }
         $r = q("select * from register where `hash` = '%s' limit 1", dbesc($invite_id));
         if (!results($r)) {
             notice(t('Invitation could not be verified.') . EOL);
             return;
         }
     }
     if (!x($username) || !x($email) || !x($nickname)) {
         if ($openid_url) {
             if (!validate_url($tmp_str)) {
                 notice(t('Invalid OpenID url') . EOL);
                 return;
             }
             $_SESSION['register'] = 1;
             $_SESSION['openid'] = $openid_url;
             require_once 'library/openid.php';
             $openid = new LightOpenID();
             $openid->identity = $openid_url;
             $openid->returnUrl = $a->get_baseurl() . '/openid';
             $openid->required = array('namePerson/friendly', 'contact/email', 'namePerson');
             $openid->optional = array('namePerson/first', 'media/image/aspect11', 'media/image/default');
             goaway($openid->authUrl());
             // NOTREACHED
         }
         notice(t('Please enter the required information.') . EOL);
         return;
     }
     if (!validate_url($tmp_str)) {
         $openid_url = '';
     }
     $err = '';
     // collapse multiple spaces in name
     $username = preg_replace('/ +/', ' ', $username);
     if (mb_strlen($username) > 48) {
         $err .= t('Please use a shorter name.') . EOL;
     }
     if (mb_strlen($username) < 3) {
         $err .= t('Name too short.') . EOL;
     }
     // I don't really like having this rule, but it cuts down
     // on the number of auto-registrations by Russian spammers
     //  Using preg_match was completely unreliable, due to mixed UTF-8 regex support
     //	$no_utf = get_config('system','no_utf');
     //	$pat = (($no_utf) ? '/^[a-zA-Z]* [a-zA-Z]*$/' : '/^\p{L}* \p{L}*$/u' );
     // So now we are just looking for a space in the full name.
     $loose_reg = get_config('system', 'no_regfullname');
     if (!$loose_reg) {
         $username = mb_convert_case($username, MB_CASE_TITLE, 'UTF-8');
         if (!strpos($username, ' ')) {
             $err .= t("That doesn't appear to be your full (First Last) name.") . EOL;
         }
     }
     if (!allowed_email($email)) {
         $err .= t('Your email domain is not among those allowed on this site.') . EOL;
     }
     if (!valid_email($email) || !validate_email($email)) {
         $err .= t('Not a valid email address.') . EOL;
     }
     // Disallow somebody creating an account using openid that uses the admin email address,
     // since openid bypasses email verification. We'll allow it if there is not yet an admin account.
     if (x($a->config, 'admin_email') && strcasecmp($email, $a->config['admin_email']) == 0 && strlen($openid_url)) {
         $r = q("SELECT * FROM `user` WHERE `email` = '%s' LIMIT 1", dbesc($email));
         if (count($r)) {
             $err .= t('Cannot use that email.') . EOL;
         }
     }
     $nickname = $_POST['nickname'] = strtolower($nickname);
     if (!preg_match("/^[a-z][a-z0-9\\-\\_]*\$/", $nickname)) {
         $err .= t('Your "nickname" can only contain "a-z", "0-9", "-", and "_", and must also begin with a letter.') . EOL;
     }
     $r = q("SELECT `uid` FROM `user`\n               \tWHERE `nickname` = '%s' LIMIT 1", dbesc($nickname));
     if (count($r)) {
         $err .= t('Nickname is already registered. Please choose another.') . EOL;
     }
     if (strlen($err)) {
         notice($err);
         return;
     }
     $new_password = autoname(6) . mt_rand(100, 9999);
     $new_password_encoded = hash('whirlpool', $new_password);
     $res = openssl_pkey_new(array('digest_alg' => 'sha1', 'private_key_bits' => 4096, 'encrypt_key' => false));
     // Get private key
     if (empty($res)) {
         notice(t('SERIOUS ERROR: Generation of security keys failed.') . EOL);
         return;
     }
     $prvkey = '';
     openssl_pkey_export($res, $prvkey);
     // Get public key
     $pkey = openssl_pkey_get_details($res);
     $pubkey = $pkey["key"];
     /**
      *
      * Create another keypair for signing/verifying
      * salmon protocol messages. We have to use a slightly
      * less robust key because this won't be using openssl
      * but the phpseclib. Since it is PHP interpreted code
      * it is not nearly as efficient, and the larger keys
      * will take several minutes each to process.
      *
      */
     $sres = openssl_pkey_new(array('digest_alg' => 'sha1', 'private_key_bits' => 512, 'encrypt_key' => false));
     // Get private key
     $sprvkey = '';
     openssl_pkey_export($sres, $sprvkey);
     // Get public key
     $spkey = openssl_pkey_get_details($sres);
     $spubkey = $spkey["key"];
     $r = q("INSERT INTO `user` ( `guid`, `username`, `password`, `email`, `openid`, `nickname`,\n\t\t`pubkey`, `prvkey`, `spubkey`, `sprvkey`, `register_date`, `verified`, `blocked` )\n\t\tVALUES ( '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d )", dbesc(generate_user_guid()), dbesc($username), dbesc($new_password_encoded), dbesc($email), dbesc($openid_url), dbesc($nickname), dbesc($pubkey), dbesc($prvkey), dbesc($spubkey), dbesc($sprvkey), dbesc(datetime_convert()), intval($verified), intval($blocked));
     if ($r) {
         $r = q("SELECT `uid` FROM `user` \n\t\t\tWHERE `username` = '%s' AND `password` = '%s' LIMIT 1", dbesc($username), dbesc($new_password_encoded));
         if ($r !== false && count($r)) {
             $newuid = intval($r[0]['uid']);
         }
     } else {
         notice(t('An error occurred during registration. Please try again.') . EOL);
         return;
     }
     /**
      * if somebody clicked submit twice very quickly, they could end up with two accounts 
      * due to race condition. Remove this one.
      */
     $r = q("SELECT `uid` FROM `user`\n               \tWHERE `nickname` = '%s' ", dbesc($nickname));
     if (count($r) > 1 && $newuid) {
         $err .= t('Nickname is already registered. Please choose another.') . EOL;
         q("DELETE FROM `user` WHERE `uid` = %d LIMIT 1", intval($newuid));
         notice($err);
         return;
     }
     if (x($newuid) !== false) {
         $r = q("INSERT INTO `profile` ( `uid`, `profile-name`, `is-default`, `name`, `photo`, `thumb`, `publish`, `net-publish` )\n\t\t\tVALUES ( %d, '%s', %d, '%s', '%s', '%s', %d, %d ) ", intval($newuid), 'default', 1, dbesc($username), dbesc($a->get_baseurl() . "/photo/profile/{$newuid}.jpg"), dbesc($a->get_baseurl() . "/photo/avatar/{$newuid}.jpg"), intval($publish), intval($netpublish));
         if ($r === false) {
             notice(t('An error occurred creating your default profile. Please try again.') . EOL);
             // Start fresh next time.
             $r = q("DELETE FROM `user` WHERE `uid` = %d", intval($newuid));
             return;
         }
         $r = q("INSERT INTO `contact` ( `uid`, `created`, `self`, `name`, `nick`, `photo`, `thumb`, `micro`, `blocked`, `pending`, `url`, `nurl`,\n\t\t\t`request`, `notify`, `poll`, `confirm`, `poco`, `name-date`, `uri-date`, `avatar-date` )\n\t\t\tVALUES ( %d, '%s', 1, '%s', '%s', '%s', '%s', '%s', 0, 0, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ", intval($newuid), datetime_convert(), dbesc($username), dbesc($nickname), dbesc($a->get_baseurl() . "/photo/profile/{$newuid}.jpg"), dbesc($a->get_baseurl() . "/photo/avatar/{$newuid}.jpg"), dbesc($a->get_baseurl() . "/photo/micro/{$newuid}.jpg"), dbesc($a->get_baseurl() . "/profile/{$nickname}"), dbesc(normalise_link($a->get_baseurl() . "/profile/{$nickname}")), dbesc($a->get_baseurl() . "/dfrn_request/{$nickname}"), dbesc($a->get_baseurl() . "/dfrn_notify/{$nickname}"), dbesc($a->get_baseurl() . "/dfrn_poll/{$nickname}"), dbesc($a->get_baseurl() . "/dfrn_confirm/{$nickname}"), dbesc($a->get_baseurl() . "/poco/{$nickname}"), dbesc(datetime_convert()), dbesc(datetime_convert()), dbesc(datetime_convert()));
     }
     $use_gravatar = get_config('system', 'no_gravatar') ? false : true;
     // if we have an openid photo use it.
     // otherwise unless it is disabled, use gravatar
     if ($use_gravatar || strlen($photo)) {
         require_once 'include/Photo.php';
         if ($use_gravatar && !strlen($photo)) {
             $photo = gravatar_img($email);
         }
         $photo_failure = false;
         $filename = basename($photo);
         $img_str = fetch_url($photo, true);
         $img = new Photo($img_str);
         if ($img->is_valid()) {
             $img->scaleImageSquare(175);
             $hash = photo_new_resource();
             $r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 4);
             if ($r === false) {
                 $photo_failure = true;
             }
             $img->scaleImage(80);
             $r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 5);
             if ($r === false) {
                 $photo_failure = true;
             }
             $img->scaleImage(48);
             $r = $img->store($newuid, 0, $hash, $filename, t('Profile Photos'), 6);
             if ($r === false) {
                 $photo_failure = true;
             }
             if (!$photo_failure) {
                 q("UPDATE `photo` SET `profile` = 1 WHERE `resource-id` = '%s' ", dbesc($hash));
             }
         }
     }
     if ($netpublish && $a->config['register_policy'] != REGISTER_APPROVE) {
         $url = $a->get_baseurl() . "/profile/{$nickname}";
         proc_run('php', "include/directory.php", "{$url}");
     }
     call_hooks('register_account', $newuid);
     if ($a->config['register_policy'] == REGISTER_OPEN) {
         if ($using_invites && $invite_id) {
             q("delete * from register where hash = '%s' limit 1", dbesc($invite_id));
             set_pconfig($newuid, 'system', 'invites_remaining', $num_invites);
         }
         $email_tpl = get_intltext_template("register_open_eml.tpl");
         $email_tpl = replace_macros($email_tpl, array('$sitename' => $a->config['sitename'], '$siteurl' => $a->get_baseurl(), '$username' => $username, '$email' => $email, '$password' => $new_password, '$uid' => $newuid));
         $res = mail($email, sprintf(t('Registration details for %s'), $a->config['sitename']), $email_tpl, 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n" . 'Content-type: text/plain; charset=UTF-8' . "\n" . 'Content-transfer-encoding: 8bit');
         if ($res) {
             info(t('Registration successful. Please check your email for further instructions.') . EOL);
             goaway(z_root());
         } else {
             notice(t('Failed to send email message. Here is the message that failed.') . $email_tpl . EOL);
         }
     } elseif ($a->config['register_policy'] == REGISTER_APPROVE) {
         if (!strlen($a->config['admin_email'])) {
             notice(t('Your registration can not be processed.') . EOL);
             goaway(z_root());
         }
         $hash = random_string();
         $r = q("INSERT INTO `register` ( `hash`, `created`, `uid`, `password`, `language` ) VALUES ( '%s', '%s', %d, '%s', '%s' ) ", dbesc($hash), dbesc(datetime_convert()), intval($newuid), dbesc($new_password), dbesc($lang));
         $r = q("SELECT `language` FROM `user` WHERE `email` = '%s' LIMIT 1", dbesc($a->config['admin_email']));
         if (count($r)) {
             push_lang($r[0]['language']);
         } else {
             push_lang('en');
         }
         if ($using_invites && $invite_id) {
             q("delete * from register where hash = '%s' limit 1", dbesc($invite_id));
             set_pconfig($newuid, 'system', 'invites_remaining', $num_invites);
         }
         $email_tpl = get_intltext_template("register_verify_eml.tpl");
         $email_tpl = replace_macros($email_tpl, array('$sitename' => $a->config['sitename'], '$siteurl' => $a->get_baseurl(), '$username' => $username, '$email' => $email, '$password' => $new_password, '$uid' => $newuid, '$hash' => $hash));
         $res = mail($a->config['admin_email'], sprintf(t('Registration request at %s'), $a->config['sitename']), $email_tpl, 'From: ' . t('Administrator') . '@' . $_SERVER['SERVER_NAME'] . "\n" . 'Content-type: text/plain; charset=UTF-8' . "\n" . 'Content-transfer-encoding: 8bit');
         pop_lang();
         if ($res) {
             info(t('Your registration is pending approval by the site owner.') . EOL);
             goaway(z_root());
         }
     }
     return;
 }
Example #2
0
function probe_url($url, $mode = PROBE_NORMAL)
{
    require_once 'include/email.php';
    $result = array();
    if (!$url) {
        return $result;
    }
    $network = null;
    $diaspora = false;
    $diaspora_base = '';
    $diaspora_guid = '';
    $diaspora_key = '';
    $has_lrdd = false;
    $email_conversant = false;
    $twitter = strpos($url, 'twitter.com') !== false ? true : false;
    $at_addr = strpos($url, '@') !== false ? true : false;
    if (!$twitter) {
        if (strpos($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']);
                }
                if ($link['@attributes']['rel'] === 'http://joindiaspora.com/seed_location') {
                    $diaspora_base = unamp($link['@attributes']['href']);
                    $diaspora = true;
                }
                if ($link['@attributes']['rel'] === 'http://joindiaspora.com/guid') {
                    $diaspora_guid = unamp($link['@attributes']['href']);
                    $diaspora = true;
                }
                if ($link['@attributes']['rel'] === 'diaspora-public-key') {
                    $diaspora_key = base64_decode(unamp($link['@attributes']['href']));
                    $pubkey = rsatopem($diaspora_key);
                    $diaspora = true;
                }
            }
            // Status.Net can have more than one profile URL. We need to match the profile URL
            // to a contact on incoming messages to prevent spam, and we won't know which one
            // to match. So in case of two, one of them is stored as an alias. Only store URL's
            // and not webfinger user@host aliases. If they've got more than two non-email style
            // aliases, let's hope we're lucky and get one that matches the feed author-uri because
            // otherwise we're screwed.
            foreach ($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']);
                        }
                    }
                }
            }
        } 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'], $password);
                    unset($password);
                }
                if ($mbox) {
                    $msgs = email_poll($mbox, $orig_url);
                    if (count($msgs)) {
                        $addr = $orig_url;
                        $network = NETWORK_MAIL;
                        $name = substr($url, 0, strpos($url, '@'));
                        $phost = substr($url, strpos($url, '@') + 1);
                        $profile = 'http://' . $phost;
                        // 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($adr)) {
                            foreach ($adr as $feadr) {
                                if (strcasecmp($feadr->mailbox, $name) == 0 && strcasecmp($feadr->host, $phost) == 0 && strlen($feadr->personal)) {
                                    $vcard['fn'] = notags($feadr->personal);
                                }
                            }
                        }
                    }
                    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'] = $ret['photo'];
            }
        }
    }
    if ($diaspora && $diaspora_base && $diaspora_guid) {
        if ($mode == PROBE_DIASPORA || !$notify) {
            $notify = $diaspora_base . 'receive/users/' . $diaspora_guid;
            $batch = $diaspora_base . 'receive/public';
        }
        if (strpos($url, '@')) {
            $addr = str_replace('acct:', '', $url);
        }
    }
    if ($network !== NETWORK_ZOT && $network !== NETWORK_DFRN && $network !== NETWORK_MAIL) {
        if ($diaspora) {
            $network = NETWORK_DIASPORA;
        } elseif ($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 ($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['nick'] = $tid;
            $vcard['fn'] = $tid . '@twitter';
        }
        if (!x($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 : $url);
            logger('probe_url: scrape_feed returns: ' . print_r($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)) {
                $vcard['photo'] = gravatar_img($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($vcard['nick'], ' ')));
                }
            }
            if (!$network) {
                $network = NETWORK_FEED;
            }
            if (!$priority) {
                $priority = 2;
            }
        }
    }
    if (!x($vcard, 'photo')) {
        $a = get_app();
        $vcard['photo'] = $a->get_baseurl() . '/images/default-profile.jpg';
    }
    if (!$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;
}