Query returns 500 error

[prohtex]

Hi there, thanks for your hard work on this client library.

I'm attempting to query a Baikal server for a single vcard based on matching email address field. This is what I have so far:

require "lib/carddav/vendor/autoload.php";

use MStilkerich\CardDavClient\{Account, AddressbookCollection, Config};
use MStilkerich\CardDavClient\Services\{Discovery};

Config::init($log, $httplog);
$account = new Account(<server>, ["username" => <username>, "password" => <pass>]);

$discover = new Discovery();
$abooks = $discover->discoverAddressbooks($account);

$abook = $abooks[0];

$contacts = $abook->query(
     ['EMAIL' => '/gmail/'],
     ['EMAIL'],
     false,
     1
);

What I'm experiencing is this: when the query returns no hits, that's fine. But when I enter something like "gmail" that I know will match many vcards, I get this error:

Exception: Expected Multistatus HTTP request was not successful (500 Internal Server Error): <?xml version="1.0" encoding="utf-8"?> <d:error xmlns:d="DAV:" xmlns:s="http://sabredav.org/ns"> <s:sabredav-version>4.5.0</s:sabredav-version> <s:exception>Sabre\Xml\ParseException</s:exception> <s:message>The input element to parse is empty. Do not attempt to parse</s:message> </d:error> in /opt/www/harkawik.com/lib/carddav/vendor/mstilkerich/carddavclient/src/CardDavClient.php on line 491

I know the credentials are working fine, but am scratching my head at this error. Please help!

[mstilkerich]

Hi, do you use Digest authentication with Baïkal? (it's the default). Then try switching to Basic Authentication (in the Baikal admin interface) and see if it fixes your issue.

See QUIRKS.md, "Internal server error on REPORTs with digest authentication" for details.

[mstilkerich]

Could you check if the latest master solves your issue?

[prohtex]

Could you check if the latest master solves your issue?

It did, thank you

[mstilkerich]

I could reproduce that Baïkal would only check credentials when the query returns results, same as you experienced. Interestingly, with Nextcloud 28 using the same Sabre/DAV version authentication is required first.

I reported an issue sabre-io/dav#1548

[mstilkerich]

Fixed in 1.4.1