Merge "Add provider facing CREATE APIs for Credential Manager."

This commit is contained in:
Reema Bajwa
2022-09-28 15:37:12 +00:00
committed by Android (Google) Code Review
10 changed files with 537 additions and 2 deletions

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@@ -0,0 +1,64 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.service.credentials;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.os.RemoteException;
import android.util.Log;
/**
* Callback to be invoked as a response to {@link CreateCredentialRequest}.
*
* @hide
*/
public final class CreateCredentialCallback {
private static final String TAG = "CreateCredentialCallback";
private final ICreateCredentialCallback mCallback;
/** @hide */
public CreateCredentialCallback(@NonNull ICreateCredentialCallback callback) {
mCallback = callback;
}
/**
* Invoked on a successful response for {@link CreateCredentialRequest}
* @param response The response from the credential provider.
*/
public void onSuccess(@NonNull CreateCredentialResponse response) {
try {
mCallback.onSuccess(response);
} catch (RemoteException e) {
e.rethrowAsRuntimeException();
}
}
/**
* Invoked on a failure response for {@link CreateCredentialRequest}
* @param errorCode The code defining the type of error.
* @param message The message corresponding to the failure.
*/
public void onFailure(int errorCode, @Nullable CharSequence message) {
Log.w(TAG, "onFailure: " + message);
try {
mCallback.onFailure(errorCode, message);
} catch (RemoteException e) {
e.rethrowAsRuntimeException();
}
}
}

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@@ -0,0 +1,3 @@
package android.service.credentials;
parcelable CreateCredentialRequest;

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@@ -0,0 +1,103 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.service.credentials;
import android.os.Bundle;
import android.os.Parcel;
import android.os.Parcelable;
import androidx.annotation.NonNull;
import com.android.internal.util.Preconditions;
import java.util.Objects;
/**
* Request for creating a credential.
*
* @hide
*/
public final class CreateCredentialRequest implements Parcelable {
private final @NonNull String mCallingPackage;
private final @NonNull String mType;
private final @NonNull Bundle mData;
/**
* Constructs a new instance.
*
* @throws IllegalArgumentException If {@code callingPackage}, or {@code type} string is
* null or empty.
* @throws NullPointerException If {@code data} is null.
*/
public CreateCredentialRequest(@NonNull String callingPackage,
@NonNull String type, @NonNull Bundle data) {
mCallingPackage = Preconditions.checkStringNotEmpty(callingPackage,
"callingPackage must not be null or empty");
mType = Preconditions.checkStringNotEmpty(type,
"type must not be null or empty");
mData = Objects.requireNonNull(data, "data must not be null");
}
private CreateCredentialRequest(@NonNull Parcel in) {
mCallingPackage = in.readString8();
mType = in.readString8();
mData = in.readBundle();
}
public static final @NonNull Creator<CreateCredentialRequest> CREATOR =
new Creator<CreateCredentialRequest>() {
@Override
public CreateCredentialRequest createFromParcel(@NonNull Parcel in) {
return new CreateCredentialRequest(in);
}
@Override
public CreateCredentialRequest[] newArray(int size) {
return new CreateCredentialRequest[size];
}
};
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
dest.writeString8(mCallingPackage);
dest.writeString8(mType);
dest.writeBundle(mData);
}
/** Returns the calling package of the calling app. */
@NonNull
public String getCallingPackage() {
return mCallingPackage;
}
/** Returns the type of the credential to be created. */
@NonNull
public String getType() {
return mType;
}
/** Returns the data to be used while creating the credential. */
@NonNull
public Bundle getData() {
return mData;
}
}

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@@ -0,0 +1,19 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.service.credentials;
parcelable CreateCredentialResponse;

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@@ -0,0 +1,140 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.service.credentials;
import android.annotation.Nullable;
import android.os.Parcel;
import android.os.Parcelable;
import androidx.annotation.NonNull;
import com.android.internal.util.Preconditions;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
/**
* Response to a {@link CreateCredentialRequest}.
*
* @hide
*/
public final class CreateCredentialResponse implements Parcelable {
private final @Nullable CharSequence mHeader;
private final @NonNull List<SaveEntry> mSaveEntries;
private CreateCredentialResponse(@NonNull Parcel in) {
mHeader = in.readCharSequence();
mSaveEntries = in.createTypedArrayList(SaveEntry.CREATOR);
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
dest.writeCharSequence(mHeader);
dest.writeTypedList(mSaveEntries);
}
@Override
public int describeContents() {
return 0;
}
public static final @NonNull Creator<CreateCredentialResponse> CREATOR =
new Creator<CreateCredentialResponse>() {
@Override
public CreateCredentialResponse createFromParcel(@NonNull Parcel in) {
return new CreateCredentialResponse(in);
}
@Override
public CreateCredentialResponse[] newArray(int size) {
return new CreateCredentialResponse[size];
}
};
/* package-private */ CreateCredentialResponse(
@Nullable CharSequence header,
@NonNull List<SaveEntry> saveEntries) {
this.mHeader = header;
this.mSaveEntries = saveEntries;
com.android.internal.util.AnnotationValidations.validate(
NonNull.class, null, mSaveEntries);
}
/** Returns the header to be displayed on the UI. */
public @Nullable CharSequence getHeader() {
return mHeader;
}
/** Returns the list of save entries to be displayed on the UI. */
public @NonNull List<SaveEntry> getSaveEntries() {
return mSaveEntries;
}
/**
* A builder for {@link CreateCredentialResponse}
*/
@SuppressWarnings("WeakerAccess")
public static final class Builder {
private @Nullable CharSequence mHeader;
private @NonNull List<SaveEntry> mSaveEntries = new ArrayList<>();
/** Sets the header to be displayed on the UI. */
public @NonNull Builder setHeader(@Nullable CharSequence header) {
mHeader = header;
return this;
}
/**
* Sets the list of save entries to be shown on the UI.
*
* @throws IllegalArgumentException If {@code saveEntries} is empty.
* @throws NullPointerException If {@code saveEntries} is null, or any of its elements
* are null.
*/
public @NonNull Builder setSaveEntries(@NonNull List<SaveEntry> saveEntries) {
Preconditions.checkCollectionNotEmpty(saveEntries, "saveEntries");
mSaveEntries = Preconditions.checkCollectionElementsNotNull(
saveEntries, "saveEntries");
return this;
}
/**
* Adds an entry to the list of save entries to be shown on the UI.
*
* @throws NullPointerException If {@code saveEntry} is null.
*/
public @NonNull Builder addSaveEntry(@NonNull SaveEntry saveEntry) {
mSaveEntries.add(Objects.requireNonNull(saveEntry));
return this;
}
/**
* Builds the instance.
*
* @throws IllegalArgumentException If {@code saveEntries} is empty.
*/
public @NonNull CreateCredentialResponse build() {
Preconditions.checkCollectionNotEmpty(mSaveEntries, "saveEntries must "
+ "not be empty");
return new CreateCredentialResponse(
mHeader,
mSaveEntries);
}
}
}

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@@ -66,6 +66,7 @@ public abstract class CredentialProviderService extends Service {
public void onGetCredentials(GetCredentialsRequest request, ICancellationSignal transport,
IGetCredentialsCallback callback) throws RemoteException {
Objects.requireNonNull(request);
Objects.requireNonNull(transport);
Objects.requireNonNull(callback);
mHandler.sendMessage(obtainMessage(
@@ -75,6 +76,22 @@ public abstract class CredentialProviderService extends Service {
new GetCredentialsCallback(callback)
));
}
@Override
public void onCreateCredential(CreateCredentialRequest request,
ICancellationSignal transport, ICreateCredentialCallback callback)
throws RemoteException {
Objects.requireNonNull(request);
Objects.requireNonNull(transport);
Objects.requireNonNull(callback);
mHandler.sendMessage(obtainMessage(
CredentialProviderService::onCreateCredential,
CredentialProviderService.this, request,
CancellationSignal.fromTransport(transport),
new CreateCredentialCallback(callback)
));
}
};
/**
@@ -88,4 +105,15 @@ public abstract class CredentialProviderService extends Service {
public abstract void onGetCredentials(@NonNull GetCredentialsRequest request,
@NonNull CancellationSignal cancellationSignal,
@NonNull GetCredentialsCallback callback);
/**
* Called by the android system to create a credential.
* @param request The credential creation request for the provider to handle.
* @param cancellationSignal Signal for providers to listen to any cancellation requests from
* the android system.
* @param callback Object used to relay the response of the credential creation request.
*/
public abstract void onCreateCredential(@NonNull CreateCredentialRequest request,
@NonNull CancellationSignal cancellationSignal,
@NonNull CreateCredentialCallback callback);
}

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@@ -41,7 +41,7 @@ public final class GetCredentialsCallback {
* Invoked on a successful response for {@link GetCredentialsRequest}
* @param response The response from the credential provider.
*/
public void onSuccess(@Nullable GetCredentialsResponse response) {
public void onSuccess(@NonNull GetCredentialsResponse response) {
try {
mCallback.onSuccess(response);
} catch (RemoteException e) {

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@@ -0,0 +1,13 @@
package android.service.credentials;
import android.service.credentials.CreateCredentialResponse;
/**
* Interface from the system to a credential provider service.
*
* @hide
*/
oneway interface ICreateCredentialCallback {
void onSuccess(in CreateCredentialResponse request);
void onFailure(int errorCode, in CharSequence message);
}

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@@ -18,7 +18,9 @@ package android.service.credentials;
import android.os.ICancellationSignal;
import android.service.credentials.GetCredentialsRequest;
import android.service.credentials.CreateCredentialRequest;
import android.service.credentials.IGetCredentialsCallback;
import android.service.credentials.ICreateCredentialCallback;
/**
* Interface from the system to a credential provider service.
@@ -27,4 +29,5 @@ import android.service.credentials.IGetCredentialsCallback;
*/
oneway interface ICredentialProviderService {
void onGetCredentials(in GetCredentialsRequest request, in ICancellationSignal transport, in IGetCredentialsCallback callback);
}
void onCreateCredential(in CreateCredentialRequest request, in ICancellationSignal transport, in ICreateCredentialCallback callback);
}

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@@ -0,0 +1,162 @@
/*
* Copyright (C) 2022 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package android.service.credentials;
import android.annotation.Nullable;
import android.app.PendingIntent;
import android.app.slice.Slice;
import android.os.Parcel;
import android.os.Parcelable;
import androidx.annotation.NonNull;
import com.android.internal.util.Preconditions;
import java.util.Objects;
/**
* An entry to be shown on the UI. This entry represents where the credential to be created will
* be stored. Examples include user's account, family group etc.
*
* @hide
*/
public final class SaveEntry implements Parcelable {
private final @NonNull Slice mInfo;
private final @Nullable PendingIntent mPendingIntent;
private final @Nullable Credential mCredential;
private SaveEntry(@NonNull Parcel in) {
mInfo = in.readParcelable(Slice.class.getClassLoader(), Slice.class);
mPendingIntent = in.readParcelable(PendingIntent.class.getClassLoader(),
PendingIntent.class);
mCredential = in.readParcelable(Credential.class.getClassLoader(), Credential.class);
}
public static final @NonNull Creator<SaveEntry> CREATOR = new Creator<SaveEntry>() {
@Override
public SaveEntry createFromParcel(@NonNull Parcel in) {
return new SaveEntry(in);
}
@Override
public SaveEntry[] newArray(int size) {
return new SaveEntry[size];
}
};
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
mInfo.writeToParcel(dest, flags);
mPendingIntent.writeToParcel(dest, flags);
mCredential.writeToParcel(dest, flags);
}
/* package-private */ SaveEntry(
@NonNull Slice info,
@Nullable PendingIntent pendingIntent,
@Nullable Credential credential) {
this.mInfo = info;
com.android.internal.util.AnnotationValidations.validate(
NonNull.class, null, mInfo);
this.mPendingIntent = pendingIntent;
this.mCredential = credential;
}
/** Returns the info to be displayed with this save entry on the UI. */
public @NonNull Slice getInfo() {
return mInfo;
}
/** Returns the pendingIntent to be invoked when this save entry on the UI is selectcd. */
public @Nullable PendingIntent getPendingIntent() {
return mPendingIntent;
}
/** Returns the credential produced by the {@link CreateCredentialRequest}. */
public @Nullable Credential getCredential() {
return mCredential;
}
/**
* A builder for {@link SaveEntry}.
*/
public static final class Builder {
private @NonNull Slice mInfo;
private @Nullable PendingIntent mPendingIntent;
private @Nullable Credential mCredential;
/**
* Builds the instance.
* @param info The info to be displayed with this save entry.
*
* @throws NullPointerException If {@code info} is null.
*/
public Builder(@NonNull Slice info) {
mInfo = Objects.requireNonNull(info, "info must not be null");
}
/**
* Sets the pendingIntent to be invoked when this entry is selected by the user.
*
* @throws IllegalStateException If {@code credential} is already set. Must only set either
* {@code credential}, or the {@code pendingIntent}.
*/
public @NonNull Builder setPendingIntent(@Nullable PendingIntent pendingIntent) {
Preconditions.checkState(pendingIntent != null
&& mCredential != null, "credential is already set. Must only set "
+ "either the pendingIntent or the credential");
mPendingIntent = pendingIntent;
return this;
}
/**
* Sets the credential to be returned when this entry is selected by the user.
*
* @throws IllegalStateException If {@code pendingIntent} is already set. Must only
* set either the {@code pendingIntent}, or {@code credential}.
*/
public @NonNull Builder setCredential(@Nullable Credential credential) {
Preconditions.checkState(credential != null && mPendingIntent != null,
"pendingIntent is already set. Must only set either the credential "
+ "or the pendingIntent");
mCredential = credential;
return this;
}
/**
* Builds the instance.
*
* @throws IllegalStateException if both {@code pendingIntent} and {@code credential}
* are null.
*/
public @NonNull SaveEntry build() {
Preconditions.checkState(mPendingIntent == null && mCredential == null,
"pendingIntent and credential both must not be null. Must set "
+ "either the pendingIntnet or the credential");
return new SaveEntry(
mInfo,
mPendingIntent,
mCredential);
}
}
}