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implementing propfind + mkcol methods and adding inputstream to post / put methods

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don't crash when httpstream is null

Signed-off-by: Phie <phie@phie.ovh>
Signed-off-by: tobiasKaminsky <tobias@kaminsky.me>
This commit is contained in:
Phie 2019-01-15 13:47:05 +01:00 committed by tobiasKaminsky
parent ba81710bc3
commit 2fa0687493
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GPG key ID: 0E00D4D47D0C5AF7
2 changed files with 115 additions and 47 deletions
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4
src/main/aidl/com/nextcloud/android/sso/aidl/IInputStreamService.aidl
View file

@ -20,6 +20,8 @@ package com.nextcloud.android.sso.aidl;
// Declare the interface.
interface IInputStreamService {
ParcelFileDescriptor performNextcloudRequest(in ParcelFileDescriptor input);
ParcelFileDescriptor performNextcloudRequestAndBodyStream(in ParcelFileDescriptor input,
in ParcelFileDescriptor requestBodyParcelFileDescriptor);
ParcelFileDescriptor performNextcloudRequest(in ParcelFileDescriptor input);
}

156
src/main/java/com/nextcloud/android/sso/InputStreamBinder.java
View file

@ -26,6 +26,7 @@ import android.accounts.AuthenticatorException;
import android.accounts.OperationCanceledException;
import android.content.Context;
import android.content.SharedPreferences;
import android.net.Uri;
import android.os.Binder;
import android.os.ParcelFileDescriptor;
import android.text.TextUtils;
@ -42,13 +43,21 @@ import com.owncloud.android.lib.common.OwnCloudClientManagerFactory;
import com.owncloud.android.lib.common.utils.Log_OC;
import com.owncloud.android.utils.EncryptionUtils;
import org.apache.commons.httpclient.HttpConnection;
import org.apache.commons.httpclient.HttpMethodBase;
import org.apache.commons.httpclient.HttpState;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.DeleteMethod;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.InputStreamRequestEntity;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.commons.httpclient.methods.PutMethod;
import org.apache.commons.httpclient.methods.RequestEntity;
import org.apache.commons.httpclient.methods.StringRequestEntity;
import org.apache.jackrabbit.webdav.DavConstants;
import org.apache.jackrabbit.webdav.client.methods.MkColMethod;
import org.apache.jackrabbit.webdav.client.methods.PropFindMethod;
import org.apache.jackrabbit.webdav.property.DavPropertyNameSet;
import java.io.BufferedReader;
import java.io.ByteArrayInputStream;
@ -100,9 +109,16 @@ public class InputStreamBinder extends IInputStreamService.Stub {
}
public ParcelFileDescriptor performNextcloudRequest(ParcelFileDescriptor input) {
return performNextcloudRequestAndBodyStream(input, null);
}
public ParcelFileDescriptor performNextcloudRequestAndBodyStream(ParcelFileDescriptor input,
ParcelFileDescriptor requestBodyParcelFileDescriptor) {
// read the input
final InputStream is = new ParcelFileDescriptor.AutoCloseInputStream(input);
final InputStream requestBodyInputStream = requestBodyParcelFileDescriptor != null ?
new ParcelFileDescriptor.AutoCloseInputStream(requestBodyParcelFileDescriptor) : null;
Exception exception = null;
InputStream httpStream = new InputStream() {
@Override
@ -110,10 +126,11 @@ public class InputStreamBinder extends IInputStreamService.Stub {
return 0;
}
};
try {
// Start request and catch exceptions
NextcloudRequest request = deserializeObjectAndCloseStream(is);
httpStream = processRequest(request);
httpStream = processRequest(request, requestBodyInputStream);
} catch (Exception e) {
Log_OC.e(TAG, "Error during Nextcloud request", e);
exception = e;
@ -122,7 +139,12 @@ public class InputStreamBinder extends IInputStreamService.Stub {
try {
// Write exception to the stream followed by the actual network stream
InputStream exceptionStream = serializeObjectToInputStream(exception);
InputStream resultStream = new java.io.SequenceInputStream(exceptionStream, httpStream);
InputStream resultStream;
if (httpStream != null) {
resultStream = new java.io.SequenceInputStream(exceptionStream, httpStream);
} else {
resultStream = exceptionStream;
}
return ParcelFileDescriptorUtil.pipeFrom(resultStream, thread -> Log.d(TAG, "Done sending result"));
} catch (IOException e) {
Log_OC.e(TAG, "Error while sending response back to client app", e);
@ -139,7 +161,8 @@ public class InputStreamBinder extends IInputStreamService.Stub {
return new ByteArrayInputStream(baos.toByteArray());
}
private <T extends Serializable> T deserializeObjectAndCloseStream(InputStream is) throws IOException, ClassNotFoundException {
private <T extends Serializable> T deserializeObjectAndCloseStream(InputStream is) throws IOException,
ClassNotFoundException {
ObjectInputStream ois = new ObjectInputStream(is);
T result = (T) ois.readObject();
is.close();
@ -147,9 +170,88 @@ public class InputStreamBinder extends IInputStreamService.Stub {
return result;
}
public class NCPropFindMethod extends PropFindMethod {
NCPropFindMethod(String uri, int propfindType, int depth) throws IOException {
super(uri, propfindType, new DavPropertyNameSet(), depth);
}
private InputStream processRequest(final NextcloudRequest request) throws UnsupportedOperationException, com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException, OperationCanceledException, AuthenticatorException, IOException {
Account account = AccountUtils.getOwnCloudAccountByName(context, request.getAccountName()); // TODO handle case that account is not found!
@Override
protected void processResponseBody(HttpState httpState, HttpConnection httpConnection) {
// Do not process the response body here. Instead pass it on to client app.
}
}
private HttpMethodBase buildMethod(NextcloudRequest request, Uri baseUri, InputStream requestBodyInputStream)
throws IOException {
String requestUrl = baseUri + request.getUrl();
HttpMethodBase method;
switch (request.getMethod()) {
case "GET":
method = new GetMethod(requestUrl);
break;
case "POST":
method = new PostMethod(requestUrl);
if(requestBodyInputStream != null){
RequestEntity requestEntity = new InputStreamRequestEntity(requestBodyInputStream);
((PostMethod) method).setRequestEntity(requestEntity);
}
else if (request.getRequestBody() != null) {
StringRequestEntity requestEntity = new StringRequestEntity(
request.getRequestBody(),
CONTENT_TYPE_APPLICATION_JSON,
CHARSET_UTF8);
((PostMethod) method).setRequestEntity(requestEntity);
}
break;
case "PUT":
method = new PutMethod(requestUrl);
if(requestBodyInputStream != null){
RequestEntity requestEntity = new InputStreamRequestEntity(requestBodyInputStream);
((PutMethod) method).setRequestEntity(requestEntity);
}
else if (request.getRequestBody() != null) {
StringRequestEntity requestEntity = new StringRequestEntity(
request.getRequestBody(),
CONTENT_TYPE_APPLICATION_JSON,
CHARSET_UTF8);
((PutMethod) method).setRequestEntity(requestEntity);
}
break;
case "DELETE":
method = new DeleteMethod(requestUrl);
break;
case "PROPFIND":
method = new NCPropFindMethod(requestUrl, DavConstants.PROPFIND_ALL_PROP, DavConstants.DEPTH_1);
if (request.getRequestBody() != null) {
//text/xml; charset=UTF-8 is taken from XmlRequestEntity... Should be application/xml
StringRequestEntity requestEntity = new StringRequestEntity(
request.getRequestBody(),
"text/xml; charset=UTF-8",
CHARSET_UTF8);
((PropFindMethod) method).setRequestEntity(requestEntity);
}
break;
case "MKCOL":
method = new MkColMethod(requestUrl);
break;
default:
throw new UnsupportedOperationException(EXCEPTION_UNSUPPORTED_METHOD);
}
return method;
}
private InputStream processRequest(final NextcloudRequest request, final InputStream requestBodyInputStream)
throws UnsupportedOperationException,
com.owncloud.android.lib.common.accounts.AccountUtils.AccountNotFoundException,
OperationCanceledException, AuthenticatorException, IOException {
Account account = AccountUtils.getOwnCloudAccountByName(context, request.getAccountName());
if(account == null) {
throw new IllegalStateException(EXCEPTION_ACCOUNT_NOT_FOUND);
}
@ -160,52 +262,16 @@ public class InputStreamBinder extends IInputStreamService.Stub {
}
// Validate URL
if(request.getUrl().length() == 0 || request.getUrl().charAt(0) != PATH_SEPARATOR) {
throw new IllegalStateException(EXCEPTION_INVALID_REQUEST_URL, new IllegalStateException("URL need to start with a /"));
if (request.getUrl().length() == 0 || request.getUrl().charAt(0) != PATH_SEPARATOR) {
throw new IllegalStateException(EXCEPTION_INVALID_REQUEST_URL,
new IllegalStateException("URL need to start with a /"));
}
OwnCloudClientManager ownCloudClientManager = OwnCloudClientManagerFactory.getDefaultSingleton();
OwnCloudAccount ocAccount = new OwnCloudAccount(account, context);
OwnCloudClient client = ownCloudClientManager.getClientFor(ocAccount, context);
String requestUrl = client.getBaseUri() + request.getUrl();
HttpMethodBase method;
switch (request.getMethod()) {
case "GET":
method = new GetMethod(requestUrl);
break;
case "POST":
method = new PostMethod(requestUrl);
if (request.getRequestBody() != null) {
StringRequestEntity requestEntity = new StringRequestEntity(
request.getRequestBody(),
CONTENT_TYPE_APPLICATION_JSON,
CHARSET_UTF8);
((PostMethod) method).setRequestEntity(requestEntity);
}
break;
case "PUT":
method = new PutMethod(requestUrl);
if (request.getRequestBody() != null) {
StringRequestEntity requestEntity = new StringRequestEntity(
request.getRequestBody(),
CONTENT_TYPE_APPLICATION_JSON,
CHARSET_UTF8);
((PutMethod) method).setRequestEntity(requestEntity);
}
break;
case "DELETE":
method = new DeleteMethod(requestUrl);
break;
default:
throw new UnsupportedOperationException(EXCEPTION_UNSUPPORTED_METHOD);
}
HttpMethodBase method = buildMethod(request, client.getBaseUri(), requestBodyInputStream);
method.setQueryString(convertMapToNVP(request.getParameter()));
method.addRequestHeader("OCS-APIREQUEST", "true");