X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=mod%2Fredir.php;h=8484b53ebab36af6b3db34e0f8e01b49305415c9;hb=afa194200beb2b814612119acb5ab5cf54ae4d36;hp=12f53900a7528c8826788aad408b384c23f4d176;hpb=05a2989ecbb290188c4dcc280fc93483a9852645;p=friendica.git diff --git a/mod/redir.php b/mod/redir.php index 12f53900a7..8484b53eba 100644 --- a/mod/redir.php +++ b/mod/redir.php @@ -1,79 +1,128 @@ argc > 1 && intval($a->argv[1])) { + $cid = intval($a->argv[1]); + } elseif (local_user() && !empty($con_url)) { + $cid = Contact::getIdForURL($con_url, local_user()); + } else { + $cid = 0; + } - if( $con_url || (local_user() && $a->argc > 1 && intval($a->argv[1])) ) { + if (!empty($cid)) { + $fields = ['id', 'uid', 'nurl', 'url', 'addr', 'name', 'network', 'poll', 'issued-id', 'dfrn-id', 'duplex']; + $contact = dba::selectFirst('contact', $fields, ['id' => $cid, 'uid' => [0, local_user()]]); + if (!DBM::is_result($contact)) { + notice(L10n::t('Contact not found.')); + goaway(System::baseUrl()); + } - if($con_url) { - $con_url = str_replace('https', 'http', $con_url); + $contact_url = $contact['url']; - $r = q("SELECT * FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1", - dbesc($con_url), - intval(local_user()) - ); + if ($contact['network'] !== NETWORK_DFRN // Authentication isn't supported for non DFRN contacts. + || (!local_user() && !remote_user()) // Visitors (not logged in or not remotes) can't authenticate. + || (!empty($a->contact['id']) && $a->contact['id'] == $cid)) // Local user is already authenticated. + { + goaway($url != '' ? $url : $contact_url); + } - if((! dbm::is_result($r)) || ($r[0]['network'] !== NETWORK_DFRN)) - goaway(z_root()); + if ($contact['uid'] == 0 && local_user()) { + // Let's have a look if there is an established connection + // between the puplic contact we have found and the local user. + $contact = dba::selectFirst('contact', $fields, ['nurl' => $contact['nurl'], 'uid' => local_user()]); + + if (DBM::is_result($contact)) { + $cid = $contact['id']; + } + + if (!empty($a->contact['id']) && $a->contact['id'] == $cid) { + // Local user is already authenticated. + $target_url = $url != '' ? $url : $contact_url; + logger($contact['name'] . " is already authenticated. Redirecting to " . $target_url, LOGGER_DEBUG); + goaway($target_url); + } + } - $cid = $r[0]['id']; + if (remote_user()) { + $host = substr(System::baseUrl() . ($a->path ? '/' . $a->path : ''), strpos(System::baseUrl(), '://') + 3); + $remotehost = substr($contact['addr'], strpos($contact['addr'], '@') + 1); + + // On a local instance we have to check if the local user has already authenticated + // with the local contact. Otherwise the local user would ask the local contact + // for authentification everytime he/she is visiting a profile page of the local + // contact. + if ($host == $remotehost + && x($_SESSION, 'remote') + && is_array($_SESSION['remote'])) + { + foreach ($_SESSION['remote'] as $v) { + if ($v['uid'] == $_SESSION['visitor_visiting'] && $v['cid'] == $_SESSION['visitor_id']) { + // Remote user is already authenticated. + $target_url = $url != '' ? $url : $contact_url; + logger($contact['name'] . " is already authenticated. Redirecting to " . $target_url, LOGGER_DEBUG); + goaway($target_url); + } + } + } } - else { - $cid = $a->argv[1]; - $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1", - intval($cid), - intval(local_user()) - ); + // Doing remote auth with dfrn. + if (local_user()&& (!empty($contact['dfrn-id']) || !empty($contact['issued-id']))) { + $dfrn_id = $orig_id = (($contact['issued-id']) ? $contact['issued-id'] : $contact['dfrn-id']); - if((! dbm::is_result($r)) || ($r[0]['network'] !== NETWORK_DFRN)) - goaway(z_root()); - } + if ($contact['duplex'] && $contact['issued-id']) { + $orig_id = $contact['issued-id']; + $dfrn_id = '1:' . $orig_id; + } + if ($contact['duplex'] && $contact['dfrn-id']) { + $orig_id = $contact['dfrn-id']; + $dfrn_id = '0:' . $orig_id; + } - $dfrn_id = $orig_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']); + $sec = random_string(); - if($r[0]['duplex'] && $r[0]['issued-id']) { - $orig_id = $r[0]['issued-id']; - $dfrn_id = '1:' . $orig_id; - } - if($r[0]['duplex'] && $r[0]['dfrn-id']) { - $orig_id = $r[0]['dfrn-id']; - $dfrn_id = '0:' . $orig_id; + $fields = ['uid' => local_user(), 'cid' => $cid, 'dfrn_id' => $dfrn_id, + 'sec' => $sec, 'expire' => time() + 45]; + dba::insert('profile_check', $fields); + + logger('mod_redir: ' . $contact['name'] . ' ' . $sec, LOGGER_DEBUG); + + $dest = (!empty($url) ? '&destination_url=' . $url : ''); + + goaway($contact['poll'] . '?dfrn_id=' . $dfrn_id + . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest . $quiet); } - $sec = random_string(); - - q("INSERT INTO `profile_check` ( `uid`, `cid`, `dfrn_id`, `sec`, `expire`) - VALUES( %d, %s, '%s', '%s', %d )", - intval(local_user()), - intval($cid), - dbesc($dfrn_id), - dbesc($sec), - intval(time() + 45) - ); - - logger('mod_redir: ' . $r[0]['name'] . ' ' . $sec, LOGGER_DEBUG); - $dest = (($url) ? '&destination_url=' . $url : ''); - goaway ($r[0]['poll'] . '?dfrn_id=' . $dfrn_id - . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest . $quiet ); + $url = $url != '' ? $url : $contact_url; } - if (local_user()) { - $handle = $a->user['nickname'] . '@' . substr(App::get_baseurl(),strpos(App::get_baseurl(),'://')+3); - } - if (remote_user()) { - $handle = $_SESSION['handle']; - } + // If we don't have a connected contact, redirect with + // the 'zrl' parameter. + if (!empty($url)) { + $my_profile = Profile::getMyURL(); + + if (!empty($my_profile) && !link_compare($my_profile, $url)) { + $separator = strpos($url, '?') ? '&' : '?'; + + $url .= $separator . 'zrl=' . urlencode($my_profile); + } - if ($url) { - $url = str_replace('{zid}','&zid=' . $handle,$url); + logger('redirecting to ' . $url, LOGGER_DEBUG); goaway($url); } - goaway(z_root()); + notice(L10n::t('Contact not found.')); + goaway(System::baseUrl()); }