diff options
Diffstat (limited to 'mod/magic.php')
-rw-r--r-- | mod/magic.php | 157 |
1 files changed, 76 insertions, 81 deletions
diff --git a/mod/magic.php b/mod/magic.php index 4794f86a8..aead559a7 100644 --- a/mod/magic.php +++ b/mod/magic.php @@ -4,6 +4,7 @@ function magic_init(&$a) { + $ret = array('success' => false, 'url' => '', 'message' => ''); logger('mod_magic: invoked', LOGGER_DEBUG); logger('mod_magic: args: ' . print_r($_REQUEST,true),LOGGER_DATA); @@ -11,61 +12,49 @@ function magic_init(&$a) { $addr = ((x($_REQUEST,'addr')) ? $_REQUEST['addr'] : ''); $hash = ((x($_REQUEST,'hash')) ? $_REQUEST['hash'] : ''); $dest = ((x($_REQUEST,'dest')) ? $_REQUEST['dest'] : ''); - $rev = ((x($_REQUEST,'rev')) ? intval($_REQUEST['rev']) : 0); - - if($hash) { - $x = q("select xchan.xchan_url, hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash - where hubloc_hash = '%s' and (hubloc_flags & %d) order by hubloc_id desc limit 1", - dbesc($hash), - intval(HUBLOC_FLAGS_PRIMARY) - ); - } - elseif($addr) { - $x = q("select hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash - where xchan_addr = '%s' and (hubloc_flags & %d) order by hubloc_id desc limit 1", - dbesc($addr), - intval(HUBLOC_FLAGS_PRIMARY) - ); - } - else { - // See if we know anybody at the dest site that will unlock the door for us - $b = explode('/',$dest); - - if(count($b) >= 2) { - $u = $b[0] . '//' . $b[2]; - - $x = q("select xchan.xchan_url, hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash - where hubloc_url = '%s' order by hubloc_id desc limit 5", - dbesc($u) - ); - - if($x) { - // They must have a valid hubloc_addr - while(! strpos($x[0]['hubloc_addr'],'@')) { - array_shift($x); - } - } + $test = ((x($_REQUEST,'test')) ? intval($_REQUEST['test']) : 0); + $rev = ((x($_REQUEST,'rev')) ? intval($_REQUEST['rev']) : 0); + $parsed = parse_url($dest); + if(! $parsed) { + if($test) { + $ret['message'] .= 'could not parse ' . $dest . EOL; + return($ret); } + goaway($dest); } + $basepath = $parsed['scheme'] . '://' . $parsed['host'] . (($parsed['port']) ? ':' . $parsed['port'] : ''); + + $x = q("select * from hubloc where hubloc_url = '%s' order by hubloc_connected desc limit 1", + dbesc($basepath) + ); + if(! $x) { - // Finger them if they've never been seen here before - - if($addr) { - $ret = zot_finger($addr,null); - if($ret['success']) { - $j = json_decode($ret['body'],true); - if($j) - import_xchan($j); - $x = q("select hubloc.* from xchan left join hubloc on xchan_hash = hubloc_hash - where xchan_addr = '%s' and (hubloc_flags & %d) order by hubloc_id desc limit 1", - dbesc($addr), - intval(HUBLOC_FLAGS_PRIMARY) - ); - } + /* + * We have no records for, or prior communications with this hub. + * If an address was supplied, let's finger them to create a hub record. + * Otherwise we'll use the special address '[system]' which will return + * either a system channel or the first available normal channel. We don't + * really care about what channel is returned - we need the hub information + * from that response so that we can create signed auth packets destined + * for that hub. + * + */ + + $ret = zot_finger((($addr) ? $addr : '[system]@' . $parsed['host']),null); + if($ret['success']) { + $j = json_decode($ret['body'],true); + if($j) + import_xchan($j); + + // Now try again + + $x = q("select * from hubloc where hubloc_url = '%s' order by hubloc_connected desc limit 1", + dbesc($basepath) + ); } } @@ -73,8 +62,12 @@ function magic_init(&$a) { if($rev) goaway($dest); else { - logger('mod_magic: channel not found.' . print_r($_REQUEST,true)); - notice( t('Channel not found.') . EOL); + logger('mod_magic: no channels found for requested hub.' . print_r($_REQUEST,true)); + if($test) { + $ret['message'] .= 'This site has no previous connections with ' . $basepath . EOL; + return $ret; + } + notice( t('Hub not found.') . EOL); return; } } @@ -91,28 +84,23 @@ function magic_init(&$a) { call_hooks('magic_auth',$arr); $dest = $arr['destination']; - if(! $arr['proceed']) + if(! $arr['proceed']) { + if($test) { + $ret['message'] .= 'cancelled by plugin.' . EOL; + return $ret; + } goaway($dest); + } - if($x[0]['hubloc_url'] === z_root()) { - $webbie = substr($x[0]['hubloc_addr'],0,strpos('@',$x[0]['hubloc_addr'])); - switch($dest) { - case 'channel': - $desturl = z_root() . '/channel/' . $webbie; - break; - case 'photos': - $desturl = z_root() . '/photos/' . $webbie; - break; - case 'profile': - $desturl = z_root() . '/profile/' . $webbie; - break; - default: - $desturl = $dest; - break; - } + if((get_observer_hash()) && ($x[0]['hubloc_url'] === z_root())) { // We are already authenticated on this site and a registered observer. // Just redirect. - goaway($desturl); + if($test) { + $ret['success'] = true; + $ret['message'] .= 'Local site - you are already authenticated.' . EOL; + return $ret; + } + goaway($dest); } if(local_user()) { @@ -124,28 +112,35 @@ function magic_init(&$a) { $channel['token'] = $token; $channel['token_sig'] = $token_sig; - - $recip = array(array('guid' => $x[0]['hubloc_guid'],'guid_sig' => $x[0]['hubloc_guid_sig'])); - - $hash = random_string(); - $r = q("insert into verify ( type, channel, token, meta, created) values ('%s','%d','%s','%s','%s')", dbesc('auth'), intval($channel['channel_id']), dbesc($token), - dbesc($x[0]['hubloc_hash']), + dbesc($x[0]['hubloc_url']), dbesc(datetime_convert()) ); - $target_url = $x[0]['hubloc_callback'] . '/' . substr($x[0]['hubloc_addr'],0,strpos($x[0]['hubloc_addr'],'@')) ; + $target_url = $x[0]['hubloc_callback'] . '/?f=&auth=' . urlencode($channel['channel_address'] . '@' . $a->get_hostname()) + . '&sec=' . $token . '&dest=' . urlencode($dest) . '&version=' . ZOT_REVISION; + logger('mod_magic: redirecting to: ' . $target_url, LOGGER_DEBUG); - goaway($target_url - . '/?f=&auth=' . $channel['channel_address'] . '@' . $a->get_hostname() - . '&sec=' . $token . '&dest=' . urlencode($dest) . '&version=' . ZOT_REVISION); + if($test) { + $ret['success'] = true; + $ret['url'] = $target_url; + $ret['message'] = 'token ' . $token . ' created for channel ' . $channel['channel_id'] . ' for url ' . $x[0]['hubloc_url'] . EOL; + return $ret; + } + + goaway($target_url); + } - if(strpos($dest,'/')) - goaway($dest); - goaway(z_root()); + if($test) { + $ret['message'] = 'Not authenticated or invalid arguments to mod_magic' . EOL; + return $ret; + } + + goaway($dest); + } |