REPORTED: https://bugs.sogo.nu/view.php?id=5954

Test: Query an addressbook for vcards that have an EMAIL property.
Expected result: Only contacts with an EMAIL property are returned.
Actual result: SOGo appears to ignore prop-filter that tests for presence or absence of a property and returns all cards
  of the addressbook. The VCard with NICKNAME:Jonny0 should not have been part of the result. Similar tests (e.g. search
  vcards that do NOT have an EMAIL property) show similar results.
RFC reference: RFC6352, "CARDDAV:prop-filter XML Element"
  A vCard property of the type specified by the "name" attribute exists, and the CARDDAV:prop-filter is empty, or [...]

[2024-03-31 08:16:38]: [2 NFO] "REPORT /SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/ HTTP/1.1" 207
>>>>>>>>
REPORT /SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/ HTTP/1.1
Content-Length: 353
User-Agent: GuzzleHttp/7
Host: etain.mike2k.de
Depth: 1
Content-Type: application/xml; charset=UTF-8

<?xml version="1.0"?>
<CARDDAV:addressbook-query xmlns:DAV="DAV:" xmlns:CARDDAV="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/">
 <DAV:prop>
  <DAV:getetag/>
  <CARDDAV:address-data/>
 </DAV:prop>
 <CARDDAV:filter test="anyof">
  <CARDDAV:prop-filter name="EMAIL" test="anyof"/>
 </CARDDAV:filter>
</CARDDAV:addressbook-query>

<<<<<<<<
HTTP/1.1 207 Multi-Status
Server: nginx
Date: Sun, 31 Mar 2024 08:16:38 GMT
Content-Type: text/xml; charset=utf-8
Content-Length: 2501
Connection: keep-alive
Cache-Control: no-cache
Pragma: no-cache
X-Frame-Options: SAMEORIGIN

<?xml version="1.0" encoding="utf-8"?>
<D:multistatus xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:carddav"><D:response><D:href>/SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/sabre-vobject-38f17a20-2ac8-4a90-ab13-2ef2241c62f2.vcf</D:href><D:propstat><D:prop><D:getetag>"gcs00000000"</D:getetag><C:address-data>BEGIN:VCARD
VERSION:3.0
PRODID:-//Sabre//Sabre VObject 4.5.4//EN
UID:sabre-vobject-38f17a20-2ac8-4a90-ab13-2ef2241c62f2
FN:CardDavClient Test1700898322
N:Test1700898322;CardDavClient
NICKNAME:Jonny2
TEL;TYPE=HOME:12345
TEL:555
END:VCARD</C:address-data></D:prop><D:status>HTTP/1.1 200 OK</D:status></D:propstat></D:response><D:response><D:href>/SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/sabre-vobject-975454eb-5dd0-4c4d-9fb3-75fb0da13373.vcf</D:href><D:propstat><D:prop><D:getetag>"gcs00000000"</D:getetag><C:address-data>BEGIN:VCARD
VERSION:3.0
PRODID:-//Sabre//Sabre VObject 4.5.4//EN
UID:sabre-vobject-975454eb-5dd0-4c4d-9fb3-75fb0da13373
FN:CardDavClient Test1805300705
N:Test1805300705;CardDavClient
NICKNAME:Jonny0
EMAIL;TYPE=WORK:doe@big.corp
EMAIL;TYPE=HOME:johndoe@example.com
X-CUSTOMPROP;X-CUSTOMPARAM=WORK:foobar
END:VCARD</C:address-data></D:prop><D:status>HTTP/1.1 200 OK</D:status></D:propstat></D:response><D:response><D:href>/SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/sabre-vobject-25d5dbc1-b44a-402d-a686-87c961eb0e3d.vcf</D:href><D:propstat><D:prop><D:getetag>"gcs00000000"</D:getetag><C:address-data>BEGIN:VCARD
VERSION:3.0
PRODID:-//Sabre//Sabre VObject 4.5.4//EN
UID:sabre-vobject-25d5dbc1-b44a-402d-a686-87c961eb0e3d
FN:CardDavClient Test574553324
N:Test574553324;CardDavClient
NICKNAME:Jonny1
EMAIL:maxmu@abcd.com
X-CUSTOMPROP;X-SPACEPARAM=&quot;HELLO, WORLD&quot;;X-CUSTOMPARAM=HOME,WORK:foobar
END:VCARD</C:address-data></D:prop><D:status>HTTP/1.1 200 OK</D:status></D:propstat></D:response><D:response><D:href>/SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/sabre-vobject-2ff7b2e2-4f0b-4a7d-8eb3-52ed6e758df2.vcf</D:href><D:propstat><D:prop><D:getetag>"gcs00000000"</D:getetag><C:address-data>BEGIN:VCARD
VERSION:3.0
PRODID:-//Sabre//Sabre VObject 4.5.4//EN
UID:sabre-vobject-2ff7b2e2-4f0b-4a7d-8eb3-52ed6e758df2
FN:CardDavClient Test766095793
N:Test766095793;CardDavClient
NICKNAME:Jonny3
ITEM1.EMAIL:foo@ex.com
ITEM1.X-ABLABEL:CustomLabel
IMPP;TYPE=HOME;X-SERVICE-TYPE=Jabber:xmpp:foo@example.com
END:VCARD</C:address-data></D:prop><D:status>HTTP/1.1 200 OK</D:status></D:propstat></D:response></D:multistatus>
--------
NULL



TEST 2: Query cards NOT having an EMAIL property also returns all cards.


[2024-04-15 18:30:57]: [2 NFO] "REPORT /SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/ HTTP/1.1" 207
>>>>>>>>
REPORT /SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/ HTTP/1.1
Content-Length: 406
User-Agent: GuzzleHttp/7
Host: etain.mike2k.de
Depth: 1
Content-Type: application/xml; charset=UTF-8

<?xml version="1.0"?>
<CARDDAV:addressbook-query xmlns:DAV="DAV:" xmlns:CARDDAV="urn:ietf:params:xml:ns:carddav" xmlns:CS="http://calendarserver.org/ns/">
 <DAV:prop>
  <DAV:getetag/>
  <CARDDAV:address-data/>
 </DAV:prop>
 <CARDDAV:filter test="anyof">
  <CARDDAV:prop-filter name="EMAIL" test="anyof">
   <CARDDAV:is-not-defined/>
  </CARDDAV:prop-filter>
 </CARDDAV:filter>
</CARDDAV:addressbook-query>

<<<<<<<<
HTTP/1.1 207 Multi-Status
Server: nginx
Date: Mon, 15 Apr 2024 18:30:57 GMT
Content-Type: text/xml; charset=utf-8
Content-Length: 2501
Connection: keep-alive
Cache-Control: no-cache
Pragma: no-cache
X-Frame-Options: SAMEORIGIN

<?xml version="1.0" encoding="utf-8"?>
<D:multistatus xmlns:D="DAV:" xmlns:C="urn:ietf:params:xml:ns:carddav"><D:response><D:href>/SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/sabre-vobject-f7104ce9-510f-478c-bd9f-1fa2829a32cb.vcf</D:href><D:propstat><D:prop><D:getetag>"gcs00000000"</D:getetag><C:address-data>BEGIN:VCARD
VERSION:3.0
PRODID:-//Sabre//Sabre VObject 4.5.4//EN
UID:sabre-vobject-f7104ce9-510f-478c-bd9f-1fa2829a32cb
FN:CardDavClient Test106944330
N:Test106944330;CardDavClient
NICKNAME:Jonny0
EMAIL;TYPE=WORK:doe@big.corp
EMAIL;TYPE=HOME:johndoe@example.com
X-CUSTOMPROP;X-CUSTOMPARAM=WORK:foobar
END:VCARD</C:address-data></D:prop><D:status>HTTP/1.1 200 OK</D:status></D:propstat></D:response><D:response><D:href>/SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/sabre-vobject-31c2d106-2222-41e3-9c68-00114c85812c.vcf</D:href><D:propstat><D:prop><D:getetag>"gcs00000000"</D:getetag><C:address-data>BEGIN:VCARD
VERSION:3.0
PRODID:-//Sabre//Sabre VObject 4.5.4//EN
UID:sabre-vobject-31c2d106-2222-41e3-9c68-00114c85812c
FN:CardDavClient Test1159176400
N:Test1159176400;CardDavClient
NICKNAME:Jonny3
ITEM1.EMAIL:foo@ex.com
ITEM1.X-ABLABEL:CustomLabel
IMPP;TYPE=HOME;X-SERVICE-TYPE=Jabber:xmpp:foo@example.com
END:VCARD</C:address-data></D:prop><D:status>HTTP/1.1 200 OK</D:status></D:propstat></D:response><D:response><D:href>/SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/sabre-vobject-246ff96d-ef2f-41f3-ba8a-38024e149b7b.vcf</D:href><D:propstat><D:prop><D:getetag>"gcs00000000"</D:getetag><C:address-data>BEGIN:VCARD
VERSION:3.0
PRODID:-//Sabre//Sabre VObject 4.5.4//EN
UID:sabre-vobject-246ff96d-ef2f-41f3-ba8a-38024e149b7b
FN:CardDavClient Test1608788681
N:Test1608788681;CardDavClient
NICKNAME:Jonny2
TEL;TYPE=HOME:12345
TEL:555
END:VCARD</C:address-data></D:prop><D:status>HTTP/1.1 200 OK</D:status></D:propstat></D:response><D:response><D:href>/SOGo/dav/mikey@dev.mike2k.de/Contacts/personal/sabre-vobject-66b901fe-718d-40f9-b194-d09038dbbe8d.vcf</D:href><D:propstat><D:prop><D:getetag>"gcs00000000"</D:getetag><C:address-data>BEGIN:VCARD
VERSION:3.0
PRODID:-//Sabre//Sabre VObject 4.5.4//EN
UID:sabre-vobject-66b901fe-718d-40f9-b194-d09038dbbe8d
FN:CardDavClient Test162369677
N:Test162369677;CardDavClient
NICKNAME:Jonny1
EMAIL:maxmu@abcd.com
X-CUSTOMPROP;X-SPACEPARAM=&quot;HELLO, WORLD&quot;;X-CUSTOMPARAM=HOME,WORK:foobar
END:VCARD</C:address-data></D:prop><D:status>HTTP/1.1 200 OK</D:status></D:propstat></D:response></D:multistatus>
--------
NULL