diff --git a/owncloud/pom.xml b/owncloud/pom.xml
index 5daa3acf0d8..a8271c5461d 100644
--- a/owncloud/pom.xml
+++ b/owncloud/pom.xml
@@ -39,6 +39,11 @@
             <artifactId>webdav</artifactId>
             <version>${project.version}</version>
         </dependency>
+        <dependency>
+            <groupId>ch.cyberduck</groupId>
+            <artifactId>oauth</artifactId>
+            <version>${project.version}</version>
+        </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.dataformat</groupId>
             <artifactId>jackson-dataformat-xml</artifactId>
diff --git a/owncloud/src/main/java/ch/cyberduck/core/owncloud/OwncloudSession.java b/owncloud/src/main/java/ch/cyberduck/core/owncloud/OwncloudSession.java
index 5ae68188c25..57bb30742f2 100644
--- a/owncloud/src/main/java/ch/cyberduck/core/owncloud/OwncloudSession.java
+++ b/owncloud/src/main/java/ch/cyberduck/core/owncloud/OwncloudSession.java
@@ -17,8 +17,10 @@
 
 import ch.cyberduck.core.Host;
 import ch.cyberduck.core.ListService;
+import ch.cyberduck.core.LoginCallback;
 import ch.cyberduck.core.UrlProvider;
 import ch.cyberduck.core.dav.DAVSession;
+import ch.cyberduck.core.exception.BackgroundException;
 import ch.cyberduck.core.features.AttributesFinder;
 import ch.cyberduck.core.features.Delete;
 import ch.cyberduck.core.features.Home;
@@ -36,15 +38,47 @@
 import ch.cyberduck.core.nextcloud.NextcloudShareProvider;
 import ch.cyberduck.core.nextcloud.NextcloudUrlProvider;
 import ch.cyberduck.core.nextcloud.NextcloudWriteFeature;
+import ch.cyberduck.core.oauth.OAuth2AuthorizationService;
+import ch.cyberduck.core.oauth.OAuth2ErrorResponseInterceptor;
+import ch.cyberduck.core.oauth.OAuth2RequestInterceptor;
+import ch.cyberduck.core.proxy.Proxy;
 import ch.cyberduck.core.ssl.X509KeyManager;
 import ch.cyberduck.core.ssl.X509TrustManager;
+import ch.cyberduck.core.threading.CancelCallback;
+
+import org.apache.http.impl.client.HttpClientBuilder;
+
+import static ch.cyberduck.core.oauth.OAuth2AuthorizationService.CYBERDUCK_REDIRECT_URI;
 
 public class OwncloudSession extends DAVSession {
 
+    private OAuth2RequestInterceptor authorizationService;
+
     public OwncloudSession(final Host host, final X509TrustManager trust, final X509KeyManager key) {
         super(host, trust, key);
     }
 
+    @Override
+    protected HttpClientBuilder getConfiguration(final Proxy proxy, final LoginCallback prompt) {
+        final HttpClientBuilder configuration = super.getConfiguration(proxy, prompt);
+        if(host.getProtocol().isOAuthConfigurable()) {
+            authorizationService = new OAuth2RequestInterceptor(configuration.build(), host)
+                    .withFlowType(OAuth2AuthorizationService.FlowType.valueOf(host.getProtocol().getAuthorization()))
+                    .withRedirectUri(CYBERDUCK_REDIRECT_URI);
+            configuration.addInterceptorLast(authorizationService);
+            configuration.setServiceUnavailableRetryStrategy(new OAuth2ErrorResponseInterceptor(host, authorizationService, prompt));
+        }
+        return configuration;
+    }
+
+    @Override
+    public void login(final Proxy proxy, final LoginCallback prompt, final CancelCallback cancel) throws BackgroundException {
+        if(host.getProtocol().isOAuthConfigurable()) {
+            authorizationService.authorize(host, prompt, cancel);
+        }
+        super.login(proxy, prompt, cancel);
+    }
+
     @Override
     @SuppressWarnings("unchecked")
     public <T> T _getFeature(final Class<T> type) {
diff --git a/webdav/src/main/java/ch/cyberduck/core/dav/DAVSession.java b/webdav/src/main/java/ch/cyberduck/core/dav/DAVSession.java
index a3227034658..ace5c3a9d28 100644
--- a/webdav/src/main/java/ch/cyberduck/core/dav/DAVSession.java
+++ b/webdav/src/main/java/ch/cyberduck/core/dav/DAVSession.java
@@ -105,10 +105,14 @@ public DAVSession(final Host host, final X509TrustManager trust, final X509KeyMa
 
     @Override
     protected DAVClient connect(final Proxy proxy, final HostKeyCallback key, final LoginCallback prompt, final CancelCallback cancel) throws BackgroundException {
-        // Always inject new pool to builder on connect because the pool is shutdown on disconnect
-        final HttpClientBuilder pool = builder.build(proxy, this, prompt);
-        pool.setRedirectStrategy(new DAVRedirectStrategy(redirect));
-        return new DAVClient(new HostUrlProvider().withUsername(false).get(host), pool);
+        final HttpClientBuilder configuration = this.getConfiguration(proxy, prompt);
+        return new DAVClient(new HostUrlProvider().withUsername(false).get(host), configuration);
+    }
+
+    protected HttpClientBuilder getConfiguration(final Proxy proxy, final LoginCallback prompt) {
+        final HttpClientBuilder configuration = builder.build(proxy, this, prompt);
+        configuration.setRedirectStrategy(new DAVRedirectStrategy(redirect));
+        return configuration;
     }
 
     @Override