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99 lines
2.7 KiB
PHP
99 lines
2.7 KiB
PHP
<?php
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namespace Zotlabs\Module;
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require_once('include/zot.php');
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class Magic extends \Zotlabs\Web\Controller {
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function init() {
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$ret = array('success' => false, 'url' => '', 'message' => '');
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logger('mod_magic: invoked', LOGGER_DEBUG);
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logger('args: ' . print_r($_REQUEST,true),LOGGER_DATA);
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$dest = ((x($_REQUEST,'dest')) ? $_REQUEST['dest'] : '');
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$rev = ((x($_REQUEST,'rev')) ? intval($_REQUEST['rev']) : 0);
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$owa = ((x($_REQUEST,'owa')) ? intval($_REQUEST['owa']) : 0);
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$delegate = ((x($_REQUEST,'delegate')) ? $_REQUEST['delegate'] : '');
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// This is ready-made for a plugin that provides a blacklist or "ask me" before blindly authenticating.
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// By default, we'll proceed without asking.
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$arr = array(
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'channel_id' => local_channel(),
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'xchan' => $x[0],
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'destination' => $dest,
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'proceed' => true
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);
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call_hooks('magic_auth',$arr);
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$dest = $arr['destination'];
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if(! $arr['proceed']) {
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if($test) {
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$ret['message'] .= 'cancelled by plugin.' . EOL;
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return $ret;
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}
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goaway($dest);
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}
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if((get_observer_hash()) && (stripos($dest,z_root()) === 0)) {
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// We are already authenticated on this site and a registered observer.
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// Just redirect.
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if($delegate) {
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$r = q("select * from channel left join hubloc on channel_hash = hubloc_hash where hubloc_addr = '%s' limit 1",
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dbesc($delegate)
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);
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if($r) {
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$c = array_shift($r);
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if(perm_is_allowed($c['channel_id'],get_observer_hash(),'delegate')) {
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$tmp = $_SESSION;
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$_SESSION['delegate_push'] = $tmp;
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$_SESSION['delegate_channel'] = $c['channel_id'];
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$_SESSION['delegate'] = get_observer_hash();
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$_SESSION['account_id'] = intval($c['channel_account_id']);
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change_channel($c['channel_id']);
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}
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}
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}
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goaway($dest);
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}
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if(local_channel()) {
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$channel = \App::get_channel();
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// OpenWebAuth
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if($owa) {
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$headers = [];
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$headers['Accept'] = 'application/x-zot+json' ;
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$headers['X-Open-Web-Auth'] = random_string();
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$headers = \Zotlabs\Web\HTTPSig::create_sig('',$headers,$channel['channel_prvkey'],
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'acct:' . $channel['channel_address'] . '@' . \App::get_hostname(),false,true,'sha512');
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$x = z_fetch_url($basepath . '/owa',false,$redirects,[ 'headers' => $headers ]);
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if($x['success']) {
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$j = json_decode($x['body'],true);
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if($j['success'] && $j['encrypted_token']) {
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$token = '';
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openssl_private_decrypt(base64url_decode($j['encrypted_token']),$token,$channel['channel_prvkey']);
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$x = strpbrk($dest,'?&');
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$args = (($x) ? '&owt=' . $token : '?f=&owt=' . $token) . (($delegate) ? '&delegate=1' : '');
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goaway($dest . $args);
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}
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}
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}
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}
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goaway($dest);
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}
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}
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