webdav broken on v12

[NodokaMurmevent]

i cannot use *dav.

i try a clean install from v12 and i cannot sync any data, strangly if i wipe all and try the v11 all work perfectly.

Steps to reproduce

1. install nextcloud v12
2. use kmail or thunderbird (try with linux and windows 10)
3. try to connect calendar or other *dav

Expected behaviour

connect and sync data successfully

Actual behaviour

401 server error wong username/password

Server configuration

Operating system:
Debian Strech
Web server:
Apache/2.4.25
Database:
MariaDB 10
PHP version:
7.0.19-1
Nextcloud version: (see Nextcloud admin page)
12
Updated from an older Nextcloud/ownCloud or fresh install:
test for update and fresh

Where did you install Nextcloud from:
zip archive

litmus rapport test :

litmus -k https://cloud.symphonie-of-code.fr/remote.php/webdav/

-> running `basic': 2. options............... WARNING: server does not claim Class 2 compliance ...................... pass (with 1 warning)

<- summary for basic': of 16 tests run: 16 passed, 0 failed. 100.0% -> 1 warning was issued. -> running copymove':

<- summary for copymove': of 13 tests run: 13 passed, 0 failed. 100.0% -> running props':

18. propget...............
19. propget............... FAIL (Property {http://example.com/neon/litmus/}high-unicode had value ????, expected 𐀀)

<- summary for props': of 30 tests run: 29 passed, 1 failed. 96.7% -> running locks':

2. options............... WARNING: server does not claim Class 2 compliance
   ...................... pass (with 1 warning)
   ......................

3. precond............... SKIPPED (locking tests skipped,
   server does not claim Class 2 compliance)
   -> 1 test was skipped.
   <- summary for locks': of 3 tests run: 3 passed, 0 failed. 100.0% -> 1 warning was issued. -> running http':

4. expect100.............

5. expect100............. SKIPPED (skipping for SSL server)

-> 1 test was skipped.
<- summary for `http': of 3 tests run: 3 passed, 0 failed. 100.0%

Signing status:

No errors have been found.

List of activated apps:

App list

``` Enabled: - activity: 2.5.2 - bruteforcesettings: 1.0.2 - calendar: 1.5.3 - comments: 1.2.0 - contacts: 1.5.3 - dav: 1.3.0 - federatedfilesharing: 1.2.0 - federation: 1.2.0 - files: 1.7.2 - files_pdfviewer: 1.1.1 - files_sharing: 1.4.0 - files_texteditor: 2.4.1 - files_trashbin: 1.2.0 - files_versions: 1.5.0 - files_videoplayer: 1.1.0 - firstrunwizard: 2.1 - gallery: 17.0.0 - logreader: 2.0.0 - lookup_server_connector: 1.0.0 - nextcloud_announcements: 1.1 - notes: 2.2.0 - notifications: 2.0.0 - oauth2: 1.0.5 - password_policy: 1.2.2 - provisioning_api: 1.2.0 - serverinfo: 1.2.0 - sharebymail: 1.2.0 - survey_client: 1.0.0 - systemtags: 1.2.0 - tasks: 0.9.5 - theming: 1.3.0 - twofactor_backupcodes: 1.1.1 - updatenotification: 1.2.0 - workflowengine: 1.2.0 Disabled: - admin_audit - encryption - external - files_accesscontrol - files_automatedtagging - files_external - files_retention - templateeditor - user_external - user_ldap - user_saml ```

Nextcloud configuration :

Config report

``` { "system": { "instanceid": "ocql59dzz3qd", "passwordsalt": "***REMOVED SENSITIVE VALUE***", "secret": "***REMOVED SENSITIVE VALUE***", "trusted_domains": [ "cloud.symphonie-of-code.fr" ], "datadirectory": "\/home\/cloud", "overwrite.cli.url": "https:\/\/cloud.symphonie-of-code.fr", "dbtype": "mysql", "version": "12.0.0.29", "dbname": "owncloud", "dbhost": "localhost", "dbport": "", "dbtableprefix": "oc_", "dbuser": "***REMOVED SENSITIVE VALUE***", "dbpassword": "***REMOVED SENSITIVE VALUE***", "logtimezone": "UTC", "installed": true, "updater.release.channel": "stable", "updater.secret": "***REMOVED SENSITIVE VALUE***", "maintenance": false, "theme": "", "loglevel": 2 } } ```

Are you using external storage, if yes which one: local/smb/sftp/...
no

Are you using encryption: yes/no
no

Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/...
try to use Webdav

Client configuration

Browser:
firefox 55
Operating system:
KDE neon

Logs

Web server error log

nothing interesting

Nextcloud log (data/nextcloud.log)

nextcloud.zip

Browser log

nothing

[Udera]

Without looking into your logs, there has been a fix on the authentication with caldav/carddav in NC 12. It will be in the next minor release, you might take a look in the fix if it works for you as well:
#5386

[MorrisJobke]

Please retry with 12.0.1. Thanks