115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			115 lines
		
	
	
		
			2.9 KiB
		
	
	
	
		
			PHP
		
	
	
	
	
	
| <?php
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| 
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| @require_once('include/zot.php');
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| 
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| function magic_init(&$a) {
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| 
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| 	$addr = ((x($_REQUEST,'addr')) ? $_REQUEST['addr'] : '');
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| 	$hash = ((x($_REQUEST,'hash')) ? $_REQUEST['hash'] : '');
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| 	$dest = ((x($_REQUEST,'dest')) ? $_REQUEST['dest'] : '');
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| 
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| 	if($hash) {
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| 		$x = q("select xchan.xchan_url, hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash
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| 			where hubloc_hash = '%s' and (hubloc_flags & %d) limit 1",
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| 			dbesc($hash),
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| 			intval(HUBLOC_FLAGS_PRIMARY)
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| 		);
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| 	}
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| 	elseif($addr) {
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| 		$x = q("select hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash 
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| 			where xchan_addr = '%s' and (hubloc_flags & %d) limit 1",
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| 			dbesc($addr),
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| 			intval(HUBLOC_FLAGS_PRIMARY)
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| 		);
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| 	}
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| 	else {
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| 		// See if we know anybody at the dest site that will unlock the door for us
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| 		$b = explode('/',$dest);
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| 		if(count($b) >= 2)
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| 		$u = $b[0] . '//' . $b[2];
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| 
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| 		$x = q("select xchan.xchan_url, hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash
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| 			where hubloc_url = '%s' limit 1",
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| 			dbesc($u)
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| 		);
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| 
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| 	}
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| 
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| 
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| 	if(! $x) {
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| 
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| 		// Finger them if they've never been seen here before
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| 
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| 		if($addr) {
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| 			$ret = zot_finger($addr,null);
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| 			if($ret['success']) {
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| 				$j = json_decode($ret['body'],true);
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| 				if($j)
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| 					import_xchan($j);
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| 				$x = q("select hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash 
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| 					where xchan_addr = '%s' and (hubloc_flags & %d) limit 1",
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| 					dbesc($addr),
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| 					intval(HUBLOC_FLAGS_PRIMARY)
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| 				);
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| 			}
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| 		}
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| 	}
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| 
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| 	if(! $x) {
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| 		notice( t('Channel not found.') . EOL);
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| 		return;
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| 	}
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| 
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| 	if($x[0]['hubloc_url'] === z_root()) {
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| 		$webbie = substr($x[0]['hubloc_addr'],0,strpos('@',$x[0]['hubloc_addr']));
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| 		switch($dest) {
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| 			case 'channel':
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| 				$desturl = z_root() . '/channel/' . $webbie;
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| 				break;
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| 			case 'photos':
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| 				$desturl = z_root() . '/photos/' . $webbie;
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| 				break;
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| 			case 'profile':
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| 				$desturl = z_root() . '/profile/' . $webbie;
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| 				break;
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| 			default:
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| 				$desturl = $dest;
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| 				break;
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| 		}
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| 		// We are already authenticated on this site and a registered observer.
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| 		// Just redirect.
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| 		goaway($desturl);
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| 	}
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| 
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| 	if(local_user()) {
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| 		$channel = $a->get_channel();
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| 
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| 		$token = random_string();
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| 		$token_sig = base64url_encode(rsa_sign($token,$channel['channel_prvkey']));
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|  
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| 		$channel['token'] = $token;
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| 		$channel['token_sig'] = $token_sig;
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| 
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| 
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| 		$recip = array(array('guid' => $x[0]['hubloc_guid'],'guid_sig' => $x[0]['hubloc_guid_sig']));
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| 
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| 		$hash = random_string();
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| 
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| 		$r = q("insert into verify ( type, channel, token, meta, created) values ('%s','%d','%s','%s','%s')",
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| 			dbesc('auth'),
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| 			intval($channel['channel_id']),
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| 			dbesc($token),
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| 			dbesc($x[0]['hubloc_hash']),
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| 			dbesc(datetime_convert())
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| 		);
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| 
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| 		goaway($x[0]['hubloc_callback'] . '/' . substr($x[0]['hubloc_addr'],0,strpos($x[0]['hubloc_addr'],'@'))
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| 			. '/?f=&auth=' . $channel['channel_address'] . '@' . $a->get_hostname()
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| 			. '&sec=' . $token . '&dest=' . $dest . '&version=' . ZOT_REVISION);
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| 	}
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| 
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| 	if(strpos($dest,'/'))
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| 		goaway($dest);
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| 	goaway(z_root());
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| }
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