<?php
-function redir_init(&$a) {
-
- if((! local_user()) || (! ($a->argc == 2)) || (! intval($a->argv[1])))
- goaway($a->get_baseurl());
- $r = q("SELECT `dfrn-id`, `poll` FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval($a->argv[1]),
- intval($_SESSION['uid']));
- if(! count($r))
- goaway($a->get_baseurl());
- q("INSERT INTO `profile_check` ( `uid`, `dfrn_id`, `expire`)
- VALUES( %d, '%s', %d )",
- intval($_SESSION['uid']),
- dbesc($r[0]['dfrn-id']),
- intval(time() + 30));
- goaway ($r[0]['poll'] . '?dfrn_id=' . $r[0]['dfrn-id'] . '&type=profile');
-
-
-
-}
\ No newline at end of file
+use Friendica\App;
+use Friendica\Core\L10n;
+use Friendica\Core\Logger;
+use Friendica\Core\System;
+use Friendica\Database\DBA;
+use Friendica\Model\Contact;
+use Friendica\Model\Profile;
+use Friendica\Util\Strings;
+use Friendica\Util\Network;
+
+function redir_init(App $a) {
+
+ $url = defaults($_GET, 'url', '');
+ $quiet = !empty($_GET['quiet']) ? '&quiet=1' : '';
+ $con_url = defaults($_GET, 'conurl', '');
+
+ if ($a->argc > 1 && intval($a->argv[1])) {
+ $cid = intval($a->argv[1]);
+ } elseif (local_user() && !empty($con_url)) {
+ $cid = Contact::getIdForURL($con_url, local_user());
+ } else {
+ $cid = 0;
+ }
+
+ if (!empty($cid)) {
+ $fields = ['id', 'uid', 'nurl', 'url', 'addr', 'name', 'network', 'poll', 'issued-id', 'dfrn-id', 'duplex', 'pending'];
+ $contact = DBA::selectFirst('contact', $fields, ['id' => $cid, 'uid' => [0, local_user()]]);
+ if (!DBA::isResult($contact)) {
+ notice(L10n::t('Contact not found.'));
+ $a->internalRedirect();
+ }
+
+ $contact_url = $contact['url'];
+
+ if ((!local_user() && !remote_user()) // Visitors (not logged in or not remotes) can't authenticate.
+ || (!empty($a->contact['id']) && $a->contact['id'] == $cid)) // Local user is already authenticated.
+ {
+ $a->redirect(defaults($url, $contact_url));
+ }
+
+ if ($contact['uid'] == 0 && local_user()) {
+ // Let's have a look if there is an established connection
+ // between the public contact we have found and the local user.
+ $contact = DBA::selectFirst('contact', $fields, ['nurl' => $contact['nurl'], 'uid' => local_user()]);
+
+ if (DBA::isResult($contact)) {
+ $cid = $contact['id'];
+ }
+
+ if (!empty($a->contact['id']) && $a->contact['id'] == $cid) {
+ // Local user is already authenticated.
+ $target_url = defaults($url, $contact_url);
+ Logger::log($contact['name'] . " is already authenticated. Redirecting to " . $target_url, Logger::DEBUG);
+ $a->redirect($target_url);
+ }
+ }
+
+ if (remote_user()) {
+ $host = substr($a->getBaseURL() . ($a->getURLPath() ? '/' . $a->getURLPath() : ''), strpos($a->getBaseURL(), '://') + 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 == $remotehost
+ && !empty($_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.
+ $target_url = defaults($url, $contact_url);
+ Logger::log($contact['name'] . " is already authenticated. Redirecting to " . $target_url, Logger::DEBUG);
+ $a->redirect($target_url);
+ }
+ }
+ }
+ }
+
+ // When the remote page does support OWA, then we enforce the use of it
+ $basepath = Contact::getBasepath($contact_url);
+ if ($basepath == System::baseUrl()) {
+ $use_magic = true;
+ } else {
+ $serverret = Network::curl($basepath . '/magic');
+ $use_magic = $serverret->isSuccess();
+ }
+
+ // Doing remote auth with dfrn.
+ if (local_user() && !$use_magic && (!empty($contact['dfrn-id']) || !empty($contact['issued-id'])) && empty($contact['pending'])) {
+ $dfrn_id = $orig_id = (($contact['issued-id']) ? $contact['issued-id'] : $contact['dfrn-id']);
+
+ if ($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;
+ }
+
+ $sec = Strings::getRandomHex();
+
+ $fields = ['uid' => local_user(), 'cid' => $cid, 'dfrn_id' => $dfrn_id,
+ 'sec' => $sec, 'expire' => time() + 45];
+ DBA::insert('profile_check', $fields);
+
+ Logger::log('mod_redir: ' . $contact['name'] . ' ' . $sec, Logger::DEBUG);
+
+ $dest = (!empty($url) ? '&destination_url=' . $url : '');
+
+ System::externalRedirect($contact['poll'] . '?dfrn_id=' . $dfrn_id
+ . '&dfrn_version=' . DFRN_PROTOCOL_VERSION . '&type=profile&sec=' . $sec . $dest . $quiet);
+ }
+
+ $url = defaults($url, $contact_url);
+ }
+
+ // If we don't have a connected contact, redirect with
+ // the 'zrl' parameter.
+ if (!empty($url)) {
+ $my_profile = Profile::getMyURL();
+
+ if (!empty($my_profile) && !Strings::compareLink($my_profile, $url)) {
+ $separator = strpos($url, '?') ? '&' : '?';
+
+ $url .= $separator . 'zrl=' . urlencode($my_profile);
+ }
+
+ Logger::log('redirecting to ' . $url, Logger::DEBUG);
+ $a->redirect($url);
+ }
+
+ notice(L10n::t('Contact not found.'));
+ $a->internalRedirect();
+}
projects / friendica.git / blobdiff