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author | Max Kostikov <max@kostikov.co> | 2021-01-20 13:15:40 +0100 |
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committer | Max Kostikov <max@kostikov.co> | 2021-01-20 13:15:40 +0100 |
commit | 9612a69a6448331ae3296503e97ef6ce204d9be1 (patch) | |
tree | afae1ea1fa8c63db4c23836e0ebfe57b56b808ec /Zotlabs/Module/Getfile.php | |
parent | 308e94ea799b7851287fbc7635480ac13bfe3c61 (diff) | |
parent | 08264f8d11d349bbda92233d984ad52c16c6b2d6 (diff) | |
download | volse-hubzilla-9612a69a6448331ae3296503e97ef6ce204d9be1.tar.gz volse-hubzilla-9612a69a6448331ae3296503e97ef6ce204d9be1.tar.bz2 volse-hubzilla-9612a69a6448331ae3296503e97ef6ce204d9be1.zip |
Merge branch 'dev' into 'dev'
Dev sync
See merge request kostikov/core!1
Diffstat (limited to 'Zotlabs/Module/Getfile.php')
-rw-r--r-- | Zotlabs/Module/Getfile.php | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/Zotlabs/Module/Getfile.php b/Zotlabs/Module/Getfile.php index 17d1c84b8..20cc23ac0 100644 --- a/Zotlabs/Module/Getfile.php +++ b/Zotlabs/Module/Getfile.php @@ -6,20 +6,20 @@ use Zotlabs\Lib\Libzot; /** * module: getfile - * + * * used for synchronising files and photos across clones - * + * * The site initiating the file operation will send a sync packet to known clones. * They will respond by building the DB structures they require, then will provide a * post request to this site to grab the file data. This is sent as a stream direct to * disk at the other end, avoiding memory issues. * * Since magic-auth cannot easily be used by the CURL process at the other end, - * we will require a signed request which includes a timestamp. This should not be - * used without SSL and is potentially vulnerable to replay if an attacker decrypts + * we will require a signed request which includes a timestamp. This should not be + * used without SSL and is potentially vulnerable to replay if an attacker decrypts * the SSL traffic fast enough. The amount of time slop is configurable but defaults * to 3 minutes. - * + * */ @@ -54,13 +54,13 @@ class Getfile extends \Zotlabs\Web\Controller { $keyId = $sigblock['keyId']; if($keyId) { - $r = q("select * from hubloc left join xchan on hubloc_hash = xchan_hash - where hubloc_addr = '%s'", + $r = q("select * from hubloc left join xchan on hubloc_hash = xchan_hash + where hubloc_id_url = '%s'", dbesc(str_replace('acct:','',$keyId)) ); if($r) { $hubloc = Libzot::zot_record_preferred($r); - $verified = HTTPSig::verify('',$hubloc['xchan_pubkey']); + $verified = HTTPSig::verify('',$hubloc['xchan_pubkey']); if($verified && $verified['header_signed'] && $verified['header_valid'] && $hash == $hubloc['hubloc_hash']) { $header_verified = true; } @@ -74,15 +74,15 @@ class Getfile extends \Zotlabs\Web\Controller { logger('post: ' . print_r($_POST,true),LOGGER_DEBUG,LOG_INFO); if($header_verified) { logger('HTTPSig verified'); - } - + } + $channel = channelx_by_hash($hash); if((! $channel) || (! $time) || (! $sig)) { logger('error: missing info'); killme(); } - + if(isset($_POST['resolution'])) $resolution = intval($_POST['resolution']); elseif(substr($resource,-2,1) == '-') { @@ -91,21 +91,21 @@ class Getfile extends \Zotlabs\Web\Controller { } else { $resolution = (-1); - } + } $slop = intval(get_pconfig($channel['channel_id'],'system','getfile_time_slop')); if($slop < 1) $slop = 3; - + $d1 = datetime_convert('UTC','UTC',"now + $slop minutes"); - $d2 = datetime_convert('UTC','UTC',"now - $slop minutes"); - + $d2 = datetime_convert('UTC','UTC',"now - $slop minutes"); + if(! $header_verified) { if(($time > $d1) || ($time < $d2)) { logger('time outside allowable range'); killme(); } - + if(! rsa_verify($hash . '.' . $time,base64url_decode($sig),$channel['channel_pubkey'])) { logger('verify failed.'); killme(); @@ -137,20 +137,20 @@ class Getfile extends \Zotlabs\Web\Controller { else { echo dbunescbin($r[0]['content']); } - } + } killme(); } $r = attach_by_hash($resource,$channel['channel_hash'],$revision); - + if(! $r['success']) { logger('attach_by_hash failed: ' . $r['message']); notice( $r['message'] . EOL); return; } - + $unsafe_types = array('text/html','text/css','application/javascript'); - + if(in_array($r['data']['filetype'],$unsafe_types) && (! channel_codeallowed($channel['channel_id']))) { header('Content-type: text/plain'); } |