128 lines
4.3 KiB
PHP
128 lines
4.3 KiB
PHP
<?php
|
|
|
|
use Friendica\App;
|
|
use Friendica\Core\L10n;
|
|
use Friendica\Core\System;
|
|
use Friendica\Database\DBA;
|
|
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 {
|
|
$cid = 0;
|
|
}
|
|
|
|
if (!empty($cid)) {
|
|
$fields = ['id', 'uid', 'nurl', 'url', 'addr', 'name', 'network', 'poll', 'issued-id', 'dfrn-id', 'duplex'];
|
|
$contact = DBA::selectFirst('contact', $fields, ['id' => $cid, 'uid' => [0, local_user()]]);
|
|
if (!DBA::is_result($contact)) {
|
|
notice(L10n::t('Contact not found.'));
|
|
goaway(System::baseUrl());
|
|
}
|
|
|
|
$contact_url = $contact['url'];
|
|
|
|
if ($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 : $contact_url);
|
|
}
|
|
|
|
if ($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' => $contact['nurl'], 'uid' => local_user()]);
|
|
|
|
if (DBA::is_result($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);
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// 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'] : $contact['dfrn-id']);
|
|
|
|
if ($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 = random_string();
|
|
|
|
$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);
|
|
}
|
|
|
|
$url = $url != '' ? $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) && !link_compare($my_profile, $url)) {
|
|
$separator = strpos($url, '?') ? '&' : '?';
|
|
|
|
$url .= $separator . 'zrl=' . urlencode($my_profile);
|
|
}
|
|
|
|
logger('redirecting to ' . $url, LOGGER_DEBUG);
|
|
goaway($url);
|
|
}
|
|
|
|
notice(L10n::t('Contact not found.'));
|
|
goaway(System::baseUrl());
|
|
}
|