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-rw-r--r--Zotlabs/Module/Cdav.php76
1 files changed, 62 insertions, 14 deletions
diff --git a/Zotlabs/Module/Cdav.php b/Zotlabs/Module/Cdav.php
index d0619ef0b..bae3fc6aa 100644
--- a/Zotlabs/Module/Cdav.php
+++ b/Zotlabs/Module/Cdav.php
@@ -3,31 +3,79 @@ namespace Zotlabs\Module;
require_once('include/event.php');
+require_once('include/auth.php');
+require_once('include/security.php');
+
class Cdav extends \Zotlabs\Web\Controller {
function init() {
+ $record = null;
+ $channel_login = false;
+
if((argv(1) !== 'calendar') && (argv(1) !== 'addressbook')) {
- // workaround for HTTP-auth in CGI mode
- if (x($_SERVER, 'REDIRECT_REMOTE_USER')) {
- $userpass = base64_decode(substr($_SERVER["REDIRECT_REMOTE_USER"], 6)) ;
- if(strlen($userpass)) {
- list($name, $password) = explode(':', $userpass);
- $_SERVER['PHP_AUTH_USER'] = $name;
- $_SERVER['PHP_AUTH_PW'] = $password;
+ foreach([ 'REDIRECT_REMOTE_USER', 'HTTP_AUTHORIZATION' ] as $head) {
+
+ /* Basic authentication */
+
+ if(array_key_exists($head,$_SERVER) && substr(trim($_SERVER[$head]),0,5) === 'Basic') {
+ $userpass = @base64_decode(substr(trim($_SERVER[$head]),6)) ;
+ if(strlen($userpass)) {
+ list($name, $password) = explode(':', $userpass);
+ $_SERVER['PHP_AUTH_USER'] = $name;
+ $_SERVER['PHP_AUTH_PW'] = $password;
+ }
+ break;
}
- }
- if (x($_SERVER, 'HTTP_AUTHORIZATION')) {
- $userpass = base64_decode(substr($_SERVER["HTTP_AUTHORIZATION"], 6)) ;
- if(strlen($userpass)) {
- list($name, $password) = explode(':', $userpass);
- $_SERVER['PHP_AUTH_USER'] = $name;
- $_SERVER['PHP_AUTH_PW'] = $password;
+ /* Signature authentication */
+
+ if(array_key_exists($head,$_SERVER) && substr(trim($_SERVER[$head]),0,9) === 'Signature') {
+ $sigblock = \Zotlabs\Web\HTTPSig::parse_sigheader($_SERVER[$head]);
+ if($sigblock) {
+ $keyId = $sigblock['keyId'];
+ if($keyId) {
+ $r = q("select * from hubloc where hubloc_addr = '%s' limit 1",
+ dbesc($keyId)
+ );
+ if($r) {
+ $c = channelx_by_hash($r[0]['hubloc_hash']);
+ if($c) {
+ $a = q("select * from account where account_id = %d limit 1",
+ intval($c[0]['channel_account_id'])
+ );
+ if($a) {
+ $record = [ 'channel' => $c[0], 'account' => $a[0] ];
+ $channel_login = $c[0]['channel_id'];
+ }
+ }
+ }
+ if(! $record)
+ continue;
+
+ if($head !== 'HTTP_AUTHORIZATION') {
+ $_SERVER['HTTP_AUTHORIZATION'] = $_SERVER[$head];
+ }
+ if($record) {
+ $verified = \Zotlabs\Web\HTTPSig::verify('',$record['channel']['channel_pubkey']);
+ if(! ($verified && $verified['header_signed'] && $verified['header_valid'])) {
+ $record = null;
+ }
+ if($record['account']) {
+ authenticate_success($record['account']);
+ if($channel_login) {
+ change_channel($channel_login);
+ }
+ }
+ break;
+ }
+ }
+ }
}
}
+
/**
* This server combines both CardDAV and CalDAV functionality into a single
* server. It is assumed that the server runs at the root of a HTTP domain (be