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Nextcloud 12 User Manual

Accessing Nextcloud Files Using WebDAV

Nextcloud fully supports the WebDAV protocol, and you can connect and synchronize with your Nextcloud files over WebDAV. In this chapter you will learn how to connect Linux, macOS, Windows, and mobile devices to your Nextcloud server via WebDAV. Before we get into configuring WebDAV, let’s take a quick look at the recommended way of connecting client devices to your Nextcloud servers.

Note

In the following examples, You must adjust example.com/ to the URL of your Nextcloud server installation. And USERNAME is the userid of the connecting user.

See the webdav url (bottom left, settings) on your Nextcloud.

Nextcloud Desktop and Mobile Clients

The recommended way to synchronize a desktop PC with a Nextcloud server is by using Nextcloud/ownCloud sync clients. You can configure the client to save files in any local directory and you can choose which directories on the Nextcloud server to sync with. The client displays the current connection status and logs all activity, so you always know which remote files have been downloaded to your PC and you can verify that files created and updated on your local PC are properly synchronized with the server.

The recommended way to synchronize Nextcloud server with Android and Apple iOS devices is by using the mobile apps.

To connect your mobile app to a Nextcloud server use the base URL and folder only:

example.com/nextcloud

In addition to the mobile apps provided by Nextcloud or ownCloud, you can use other apps to connect to Nextcloud from your mobile device using WebDAV. WebDAV Navigator is a good (proprietary) app for Android devices and iPhones. The URL to use on these is:

example.com/nextcloud/remote.php/dav/files/USERNAME/

WebDAV Configuration

If you prefer, you may also connect your desktop PC to your Nextcloud server by using the WebDAV protocol rather than using a special client application. Web Distributed Authoring and Versioning (WebDAV) is a Hypertext Transfer Protocol (HTTP) extension that makes it easy to create, read, and edit files on Web servers. With WebDAV you can access your Nextcloud shares on Linux, macOS and Windows in the same way as any remote network share, and stay synchronized.

Accessing Files Using Linux

You can access files in Linux operating systems using the following methods.

Nautilus File Manager

Use the davs:// protocol to connect the Nautilus file manager to your Nextcloud share:

davs://example.com/nextcloud/remote.php/dav/files/USERNAME/

Note

If your server connection is not HTTPS-secured, use dav:// instead of davs://.

screenshot of configuring Nautilus file manager to use WebDAV

Accessing Files with KDE and Dolphin File Manager

To access your Nextcloud files using the Dolphin file manager in KDE, use the webdav:// protocol:

webdav://example.com/nextcloud/remote.php/dav/files/USERNAME/
screenshot of configuring Dolphin file manager to use WebDAV

You can create a permanent link to your Nextcloud server:

  1. Open Dolphin and click “Network” in the left hand “Places” column.
  2. Click on the icon labeled Add a Network Folder. The resulting dialog should appear with WebDAV already selected.
  3. If WebDAV is not selected, select it.
  4. Click Next.
  5. Enter the following settings:
    • Name: The name you want to see in the Places bookmark, for example Nextcloud.
    • User: The Nextcloud username you used to log in, for example admin.
    • Server: The Nextcloud domain name, for example example.com (without http:// before or directories afterwards).
    • Folder – Enter the path nextcloud/remote.php/dav/files/USERNAME/.
  6. (Optional) Check the “Create icon checkbox” for a bookmark to appear in the Places column.
  7. (Optional) Provide any special settings or an SSL certificate in the “Port & Encrypted” checkbox.

Creating WebDAV Mounts on the Linux Command Line

You can create WebDAV mounts from the Linux command line. This is useful if you prefer to access Nextcloud the same way as any other remote filesystem mount. The following example shows how to create a personal mount and have it mounted automatically every time you log in to your Linux computer.

  1. Install the davfs2 WebDAV filesystem driver, which allows you to mount WebDAV shares just like any other remote filesystem. Use this command to install it on Debian/Ubuntu:

    apt-get install davfs2

  2. Use this command to install it on CentOS, Fedora, and openSUSE:

    yum install davfs2

  3. Add yourself to the davfs2 group:

    usermod -aG davfs2 <username>

  1. Then create an nextcloud directory in your home directory for the mountpoint, and .davfs2/ for your personal configuration file:

    mkdir ~/nextcloud
mkdir ~/.davfs2

  2. Copy /etc/davfs2/secrets to ~/.davfs2:

    cp  /etc/davfs2/secrets ~/.davfs2/secrets

  3. Set yourself as the owner and make the permissions read-write owner only:

    chown <username>:<username> ~/.davfs2/secrets
chmod 600 ~/.davfs2/secrets

  4. Add your Nextcloud login credentials to the end of the secrets file, using your Nextcloud server URL and your Nextcloud username and password:

    example.com/nextcloud/remote.php/dav/files/USERNAME/ <username> <password>

  5. Add the mount information to /etc/fstab:

    example.com/nextcloud/remote.php/dav/files/USERNAME/ /home/<username>/nextcloud
davfs user,rw,auto 0 0

  6. Then test that it mounts and authenticates by running the following command. If you set it up correctly you won’t need root permissions:

    mount ~/nextcloud

  7. You should also be able to unmount it:

    umount ~/nextcloud

Now every time you login to your Linux system your Nextcloud share should automatically mount via WebDAV in your ~/nextcloud directory. If you prefer to mount it manually, change auto to noauto in /etc/fstab.

Known Issues

Problem

Resource temporarily unavailable

Solution

If you experience trouble when you create a file in the directory, edit /etc/davfs2/davfs2.conf and add:

use_locks 0

Problem

Certificate warnings

Solution

If you use a self-signed certificate, you will get a warning. To change this, you need to configure davfs2 to recognize your certificate. Copy mycertificate.pem to /etc/davfs2/certs/. Then edit /etc/davfs2/davfs2.conf and uncomment the line servercert. Now add the path of your certificate as in this example:

servercert /etc/davfs2/certs/mycertificate.pem

Accessing Files Using macOS

Note

The macOS Finder suffers from a series of implementation problems and should only be used if the Nextcloud server runs on Apache and mod_php, or Nginx 1.3.8+.

To access files through the macOS Finder:

  1. Choose Go > Connect to Server.
The “Connect to Server” window opens.
  1. Specify the address of the server in the Server Address field.
Screenshot of entering your Nextcloud server address on macOS

For example, the URL used to connect to the Nextcloud server from the macOS Finder is:

https://example.com/nextcloud/remote.php/dav/files/USERNAME/
../_images/osx_webdav2.png
  1. Click Connect.
The device connects to the server.

For added details about how to connect to an external server using macOS, check the vendor documentation .

Accessing Files Using Microsoft Windows

If you use the native Windows implementation, you can map Nextcloud to a new drive. Mapping to a drive enables you to browse files stored on an Nextcloud server the way you would files stored in a mapped network drive.

Using this feature requires network connectivity. If you want to store your files offline, use the Desktop Client to sync all files on your Nextcloud to one or more directories of your local hard drive.

Note

Prior to mapping your drive, you must permit the use of Basic Authentication in the Windows Registry. The procedure is documented in KB841215 and differs between Windows XP/Server 2003 and Windows Vista/7. Please follow the Knowledge Base article before proceeding, and follow the Vista instructions if you run Windows 7.

Mapping Drives With the Command Line

The following example shows how to map a drive using the command line. To map the drive:

  1. Open a command prompt in Windows.

  2. Enter the following line in the command prompt to map to the computer Z drive:

    net use Z: https://<drive_path>/remote.php/dav/files/USERNAME/ /user:youruser
yourpassword
where <drive_path> is the URL to your Nextcloud server.

For example: net use Z: https://example.com/nextcloud/remote.php/dav/files/USERNAME/ /user:youruser yourpassword

The computer maps the files of your Nextcloud account to the drive letter Z.

Note

Though not recommended, you can also mount the Nextcloud server using HTTP, leaving the connection unencrypted. If you plan to use HTTP connections on devices while in a public place, we strongly recommend using a VPN tunnel to provide the necessary security.

An alternative command syntax is:

net use Z: \\example.com@ssl\nextcloud\remote.php\dav /user:youruser
yourpassword

Mapping Drives With Windows Explorer

To map a drive using the Microsoft Windows Explorer:

  1. Migrate to your computer in Windows Explorer.
  2. Right-click on Computer entry and select Map network drive... from the drop-down menu.
  3. Choose a local network drive to which you want to map Nextcloud.
  4. Specify the address to your Nextcloud instance, followed by /remote.php/dav/files/USERNAME/.

For example:

https://example.com/nextcloud/remote.php/dav/files/USERNAME/

Note

For SSL protected servers, check Reconnect at logon to ensure that the mapping is persistent upon subsequent reboots. If you want to connect to the Nextcloud server as a different user, check Connect using different credentials.

screenshot of mapping WebDAV on Windows Explorer
  1. Click the Finish button.
Windows Explorer maps the network drive, making your Nextcloud instance available.

Accessing Files Using Cyberduck

Cyberduck is an open source FTP and SFTP, WebDAV, OpenStack Swift, and Amazon S3 browser designed for file transfers on macOS and Windows.

Note

This example uses Cyberduck version 4.2.1.

To use Cyberduck:

  1. Specify a server without any leading protocol information. For example:
example.com

2. Specify the appropriate port. The port you choose depends on whether or not your Nextcloud server supports SSL. Cyberduck requires that you select a different connection type if you plan to use SSL. For example:

80 (for WebDAV)

443 (for WebDAV (HTTPS/SSL))

3. Use the ‘More Options’ drop-down menu to add the rest of your WebDAV URL into the ‘Path’ field. For example:

remote.php/dav/files/USERNAME/

Now Cyberduck enables file access to the Nextcloud server.

Accessing public shares over WebDAV

Nextcloud provides the possibility to access public shares over WebDAV.

To access the public share, open:

https://example.com/nextcloud/public.php/webdav

in a WebDAV client, use the share token as username and the (optional) share password as password.

Known Problems

Problem

Windows does not connect using HTTPS.

Solution 1

The Windows WebDAV Client might not support Server Name Indication (SNI) on encrypted connections. If you encounter an error mounting an SSL-encrypted Nextcloud instance, contact your provider about assigning a dedicated IP address for your SSL-based server.

Solution 2

The Windows WebDAV Client might not support TSLv1.1 / TSLv1.2 connections. If you have restricted your server config to only provide TLSv1.1 and above the connection to your server might fail. Please refer to the WinHTTP documentation for further information.

Problem

You receive the following error message: Error 0x800700DF: The file size exceeds the limit allowed and cannot be saved.

Solution

Windows limits the maximum size a file transferred from or to a WebDAV share may have. You can increase the value FileSizeLimitInBytes in HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WebClient\Parameters by clicking on Modify.

To increase the limit to the maximum value of 4GB, select Decimal, enter a value of 4294967295, and reboot Windows or restart the WebClient service.

Problem

Accessing your files from Microsoft Office via WebDAV fails.

Solution

Known problems and their solutions are documented in the KB2123563 article.

Problem

Cannot map Nextcloud as a WebDAV drive in Windows using self-signed certificate.

Solution

  1. Go to the your Nextcloud instance via your favorite Web browser.
  2. Click through until you get to the certificate error in the browser status line.
  3. View the cert, then from the Details tab, select Copy to File.
  4. Save to the desktop with an arbitrary name, for example myNextcloud.pem.
  5. Start, Run, MMC.
  6. File, Add/Remove Snap-In.
  7. Select Certificates, Click Add, My User Account, then Finish, then OK.
  8. Dig down to Trust Root Certification Authorities, Certificates.
  9. Right-Click Certificate, Select All Tasks, Import.
  10. Select the Save Cert from the Desktop.
  11. Select Place all Certificates in the following Store, Click Browse,
  12. Check the Box that says Show Physical Stores, Expand out Trusted Root Certification Authorities, and select Local Computer there, click OK, Complete the Import.
  13. Check the list to make sure it shows up. You will probably need to Refresh before you see it. Exit MMC.
  14. Open Browser, select Tools, Delete Browsing History.
  15. Select all but In Private Filtering Data, complete.
  16. Go to Internet Options, Content Tab, Clear SSL State.
  17. Close browser, then re-open and test.

Problem

You cannot download more than 50 MB or upload large Files when the upload takes longer than 30 minutes using Web Client in Windows 7.

Solution

Workarounds are documented in the KB2668751 article.

Accessing Files Using cURL

Since WebDAV is an extension of HTTP cURL can be used to script file operations.

To create a folder with the current date as name:

$ curl -u user:pass -X MKCOL "https://example.com/nextcloud/remote.php/dav/files/USERNAME/$(date '+%d-%b-%Y')"

To upload a file error.log into that directory:

$ curl -u user:pass -T error.log "https://example.com/nextcloud/remote.php/dav/files/USERNAME/$(date '+%d-%b-%Y')/error.log"

To move a file:

$ curl -u user:pass -X MOVE --header 'Destination: https://example.com/nextcloud/remote.php/dav/files/USERNAME/target.jpg' https://example.com/nextcloud/remote.php/dav/files/USERNAME/source.jpg

To get the properties of files in the root folder:

    $ curl -X PROPFIND -H "Depth: 1" -u user:pass https://example.com/nextcloud/remote.php/dav/files/USERNAME/ | xml_pp
    <?xml version="1.0" encoding="utf-8"?>
<d:multistatus xmlns:d="DAV:" xmlns:oc="http://nextcloud.org/ns" xmlns:s="http://sabredav.org/ns">
  <d:response>
    <d:href>/nextcloud/remote.php/dav/files/USERNAME/</d:href>
    <d:propstat>
      <d:prop>
        <d:getlastmodified>Tue, 13 Oct 2015 17:07:45 GMT</d:getlastmodified>
        <d:resourcetype>
          <d:collection/>
        </d:resourcetype>
        <d:quota-used-bytes>163</d:quota-used-bytes>
        <d:quota-available-bytes>11802275840</d:quota-available-bytes>
        <d:getetag>"561d3a6139d05"</d:getetag>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
  <d:response>
    <d:href>/nextcloud/remote.php/dav/files/USERNAME/welcome.txt</d:href>
    <d:propstat>
      <d:prop>
        <d:getlastmodified>Tue, 13 Oct 2015 17:07:35 GMT</d:getlastmodified>
        <d:getcontentlength>163</d:getcontentlength>
        <d:resourcetype/>
        <d:getetag>"47465fae667b2d0fee154f5e17d1f0f1"</d:getetag>
        <d:getcontenttype>text/plain</d:getcontenttype>
      </d:prop>
      <d:status>HTTP/1.1 200 OK</d:status>
    </d:propstat>
  </d:response>
</d:multistatus>

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