<?php
-function redir_init(&$a) {
+use Friendica\App;
+use Friendica\Core\L10n;
+use Friendica\Core\System;
+use Friendica\Database\DBM;
+use Friendica\Model\Contact;
+use Friendica\Model\Profile;
+
+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;
+ }
- $url = ((x($_GET,'url')) ? $_GET['url'] : '');
- $quiet = ((x($_GET,'quiet')) ? '&quiet=1' : '');
- $con_url = ((x($_GET,'conurl')) ? $_GET['conurl'] : '');
+ if (!empty($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());
+ }
- // traditional DFRN
+ $contact_url = $contact['url'];
- if( $con_url || (local_user() && $a->argc > 1 && intval($a->argv[1])) ) {
+ 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 : $contact_url);
+ }
- if($con_url) {
- $con_url = str_replace('https', 'http', $con_url);
+ if ($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);
+ }
+ }
- $r = q("SELECT * FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d LIMIT 1",
- dbesc($con_url),
- intval(local_user())
- );
+ if (remote_user()) {
+ $host = substr(System::baseUrl() . ($a->urlpath ? '/' . $a->urlpath : ''), 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);
+ }
+ }
+ }
+ }
- if((! dbm::is_result($r)) || ($r[0]['network'] !== NETWORK_DFRN))
- goaway(z_root());
+ // 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']);
- $cid = $r[0]['id'];
- }
- else {
- $cid = $a->argv[1];
+ if ($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;
+ }
- $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
- intval($cid),
- intval(local_user())
- );
+ $sec = random_string();
- if((! dbm::is_result($r)) || ($r[0]['network'] !== NETWORK_DFRN))
- goaway(z_root());
- }
+ $fields = ['uid' => local_user(), 'cid' => $cid, 'dfrn_id' => $dfrn_id,
+ 'sec' => $sec, 'expire' => time() + 45];
+ dba::insert('profile_check', $fields);
- $dfrn_id = $orig_id = (($r[0]['issued-id']) ? $r[0]['issued-id'] : $r[0]['dfrn-id']);
+ logger('mod_redir: ' . $contact['name'] . ' ' . $sec, LOGGER_DEBUG);
- if($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;
+ $dest = (!empty($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 = $a->user['nickname'] . '@' . substr($a->get_baseurl(),strpos($a->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());
}
projects / friendica.git / blobdiff