Merge pull request #2 from cryptomator/feature/webdav

 Implemented a "WebDAV" CloudProvider

Author: SailReal

pom.xml

@@ -13,8 +13,16 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        
         <guava.version>29.0-jre</guava.version>
+
+        <okhttp.version>4.7.2</okhttp.version>
+        <okhttp-digest.version>2.3</okhttp-digest.version>
+        <okhttp.mockwebserver.version>4.7.2</okhttp.mockwebserver.version>
+        <kxml2.version>2.3.0</kxml2.version>
+
+        <slf4j.version>1.7.28</slf4j.version>
+        <logback.version>1.2.3</logback.version>
+
         <junit.jupiter.version>5.6.2</junit.jupiter.version>
         <mockito.version>3.3.3</mockito.version>
         <hamcrest.version>2.2</hamcrest.version>
@@ -49,7 +57,36 @@
             <artifactId>guava</artifactId>
             <version>${guava.version}</version>
         </dependency>
-        
+
+        <!-- Logging -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+            <version>${slf4j.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+            <version>${slf4j.version}</version>
+        </dependency>
+
+        <!-- WebDAV -->
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>okhttp</artifactId>
+            <version>${okhttp.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>com.burgstaller</groupId>
+            <artifactId>okhttp-digest</artifactId>
+            <version>${okhttp-digest.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>net.sf.kxml</groupId>
+            <artifactId>kxml2</artifactId>
+            <version>${kxml2.version}</version>
+        </dependency>
+
         <!-- Test -->
         <dependency>
             <groupId>org.junit.jupiter</groupId>
@@ -69,6 +106,12 @@
             <version>${hamcrest.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>com.squareup.okhttp3</groupId>
+            <artifactId>mockwebserver</artifactId>
+            <version>${okhttp.mockwebserver.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>

src/main/java/module-info.java

@@ -32,8 +32,13 @@ public CloudItemList add(final List<CloudItemMetadata> items, final Optional<Str
 		final List<CloudItemMetadata> union = Stream.concat(this.items.stream(), items.stream()).collect(Collectors.toList());
 		return new CloudItemList(union, nextPageToken);
 	}
+
+	public CloudItemList add(final List<CloudItemMetadata> items) {
+		return add(items, Optional.empty());
+	}
 
 	public static CloudItemList empty() {
 		return new CloudItemList(Collections.emptyList());
 	}
+
 }

src/main/java/org/cryptomator/cloudaccess/api/CloudItemList.java

@@ -1,5 +1,7 @@
 package org.cryptomator.cloudaccess.api;
 
+import com.google.common.base.Objects;
+
 import java.nio.file.Path;
 import java.time.Instant;
 import java.util.Optional;
@@ -42,4 +44,21 @@ public Optional<Instant> getLastModifiedDate() {
 	public Optional<Long> getSize() {
 		return size;
 	}
+
+	@Override
+	public boolean equals(Object o) {
+		if (this == o) return true;
+		if (o == null || getClass() != o.getClass()) return false;
+		CloudItemMetadata that = (CloudItemMetadata) o;
+		return Objects.equal(this.name, that.name) &&
+				Objects.equal(this.path, that.path) &&
+				this.itemType == that.itemType &&
+				Objects.equal(this.lastModifiedDate, that.lastModifiedDate) &&
+				Objects.equal(this.size, that.size);
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hashCode(name, path, itemType, lastModifiedDate, size);
+	}
 }

src/main/java/org/cryptomator/cloudaccess/api/CloudItemMetadata.java

@@ -0,0 +1,32 @@
+package org.cryptomator.cloudaccess.api;
+
+import java.util.concurrent.TimeUnit;
+
+import static java.util.concurrent.TimeUnit.SECONDS;
+
+public enum NetworkTimeout {
+
+    CONNECTION(30L, SECONDS), //
+    READ(30L, SECONDS), //
+    WRITE(30L, SECONDS);
+
+    private final long timeout;
+    private final TimeUnit unit;
+
+    NetworkTimeout(final long timeout, final TimeUnit unit) {
+        this.timeout = timeout;
+        this.unit = unit;
+    }
+
+    public long getTimeout() {
+        return timeout;
+    }
+
+    public TimeUnit getUnit() {
+        return unit;
+    }
+
+    public long asMilliseconds() {
+        return unit.toMillis(timeout);
+    }
+}

src/main/java/org/cryptomator/cloudaccess/api/NetworkTimeout.java

@@ -4,6 +4,6 @@ public interface ProgressListener {
 
 	ProgressListener NO_PROGRESS_AWARE = value -> {};
 
-	void onProgress(int value);
+	void onProgress(long value);
 
 }

src/main/java/org/cryptomator/cloudaccess/api/ProgressListener.java

@@ -0,0 +1,23 @@
+package org.cryptomator.cloudaccess.api.exceptions;
+
+import java.util.concurrent.CompletionException;
+
+public class BackendException extends CompletionException {
+
+    public BackendException() {
+        super();
+    }
+
+    public BackendException(Throwable e) {
+        super(e);
+    }
+
+    public BackendException(String message) {
+        super(message);
+    }
+
+    public BackendException(String message, Throwable e) {
+        super(message, e);
+    }
+
+}

src/main/java/org/cryptomator/cloudaccess/api/exceptions/BackendException.java

@@ -0,0 +1,9 @@
+package org.cryptomator.cloudaccess.api.exceptions;
+
+public class CloudNodeAlreadyExistsException extends BackendException {
+
+    public CloudNodeAlreadyExistsException(String name) {
+        super(name);
+    }
+
+}

src/main/java/org/cryptomator/cloudaccess/api/exceptions/CloudNodeAlreadyExistsException.java

@@ -0,0 +1,4 @@
+package org.cryptomator.cloudaccess.api.exceptions;
+
+public class ForbiddenException extends BackendException {
+}

src/main/java/org/cryptomator/cloudaccess/api/exceptions/ForbiddenException.java

@@ -0,0 +1,4 @@
+package org.cryptomator.cloudaccess.api.exceptions;
+
+public class InsufficientStorageException extends BackendException {
+}