Code:
PROPFIND /cal.php/calendars/<username>/default/ HTTP/1.1
Content-Type: application/xml; charset="utf-8"
User-Agent: Nokia-CalDav/1.0
Depth: 1
Content-Length: 252
Connection: Keep-Alive
Accept-Encoding: gzip
Accept-Language: hu-HU,en,*
Host: 192.168.1.111:12345
<D:propfind xmlns:D="DAV:">
<D:prop xmlns:D="DAV:">
<D:resourcetype xmlns:D="DAV:"/>
<C:calendar xmlns:C="urn:ietf:params:xml:ns:caldav"/>
<D:displayname xmlns:D="DAV:"/>
<D:current-user-privilege-set xmlns:D="DAV:"/>
</D:prop>
</D:propfind>
HTTP/1.1 401 Unauthorized
Date: Wed, 13 Jun 2012 14:20:05 GMT
Server: Apache/2.2.21 (Linux/SUSE)
X-Powered-By: PHP/5.3.8
Set-Cookie: PHPSESSID=0s7vajjsqevtc1g3j097p008gvd2ie9h; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
WWW-Authenticate: Digest realm="BaikalDAV",qop="auth",nonce="4bd4a19590add",opaque="df58befe8cf60590c930188d0b5c53de"
Content-Length: 292
Keep-Alive: timeout=15, max=100
Connection: Keep-Alive
Content-Type: application/xml; charset=utf-8
<?xml version="1.0" encoding="utf-8"?>
<d:error xmlns:d="DAV:" xmlns:s="http://sabredav.org/ns">
<s:exception>Sabre_DAV_Exception_NotAuthenticated</s:exception>
<s:message>No digest authentication headers were found</s:message>
<s:sabredav-version>1.5.7</s:sabredav-version>
</d:error>
PROPFIND /cal.php/calendars/<username>/default/ HTTP/1.1
Content-Type: application/xml; charset="utf-8"
User-Agent: Nokia-CalDav/1.0
Depth: 1
Content-Length: 252
Connection: Keep-Alive
Accept-Encoding: gzip
Accept-Language: hu-HU,en,*
Host: 192.168.1.111:12345
Authorization: Digest username="", realm="BaikalDAV", nonce="4bd4a19590add", uri="/cal.php/calendars/<username>/default/", opaque="df58befe8cf60590c930188d0b5c53de", response="", qop=auth, nc=00000001, cnonce="ca4882371945dd17972977959f7add14"
<D:propfind xmlns:D="DAV:">
<D:prop xmlns:D="DAV:">
<D:resourcetype xmlns:D="DAV:"/>
<C:calendar xmlns:C="urn:ietf:params:xml:ns:caldav"/>
<D:displayname xmlns:D="DAV:"/>
<D:current-user-privilege-set xmlns:D="DAV:"/>
</D:prop>
</D:propfind>
HTTP/1.1 401 Unauthorized
Date: Wed, 13 Jun 2012 14:20:06 GMT
Server: Apache/2.2.21 (Linux/SUSE)
X-Powered-By: PHP/5.3.8
Set-Cookie: PHPSESSID=snd63eprqoccttbukinakq1p62k9jjip; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
WWW-Authenticate: Digest realm="BaikalDAV",qop="auth",nonce="4fd8a1962242a",opaque="df58befe8cf60590c930188d0b5c53de"
Content-Length: 286
Keep-Alive: timeout=15, max=99
Connection: Keep-Alive
Content-Type: application/xml; charset=utf-8
<?xml version="1.0" encoding="utf-8"?>
<d:error xmlns:d="DAV:" xmlns:s="http://sabredav.org/ns">
<s:exception>Sabre_DAV_Exception_NotAuthenticated</s:exception>
<s:message>The supplied username was not on file</s:message>
<s:sabredav-version>1.5.7</s:sabredav-version>
</d:error>