Adam He | 1cb6f80 | 2018-12-10 15:15:49 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2018 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package android.service.autofill; |
| 17 | |
| 18 | import static android.view.autofill.Helper.sDebug; |
| 19 | |
| 20 | import android.annotation.NonNull; |
| 21 | import android.annotation.Nullable; |
| 22 | import android.annotation.TestApi; |
| 23 | import android.os.Bundle; |
| 24 | import android.os.Parcel; |
| 25 | import android.os.Parcelable; |
| 26 | import android.util.ArrayMap; |
| 27 | |
| 28 | import com.android.internal.util.Preconditions; |
| 29 | |
| 30 | import java.util.ArrayList; |
| 31 | import java.util.Collections; |
| 32 | |
| 33 | /** |
| 34 | * Holds both a generic and package-specific userData used for |
| 35 | * <a href="AutofillService.html#FieldClassification">field classification</a>. |
| 36 | * |
| 37 | * @hide |
| 38 | */ |
| 39 | @TestApi |
| 40 | public final class CompositeUserData implements FieldClassificationUserData, Parcelable { |
| 41 | |
| 42 | private final UserData mGenericUserData; |
| 43 | private final UserData mPackageUserData; |
| 44 | |
| 45 | private final String[] mCategories; |
| 46 | private final String[] mValues; |
| 47 | |
| 48 | public CompositeUserData(@Nullable UserData genericUserData, |
| 49 | @NonNull UserData packageUserData) { |
| 50 | mGenericUserData = genericUserData; |
| 51 | mPackageUserData = packageUserData; |
| 52 | |
| 53 | final String[] packageCategoryIds = mPackageUserData.getCategoryIds(); |
| 54 | final String[] packageValues = mPackageUserData.getValues(); |
| 55 | |
| 56 | final ArrayList<String> categoryIds = new ArrayList<>(packageCategoryIds.length); |
| 57 | final ArrayList<String> values = new ArrayList<>(packageValues.length); |
| 58 | |
| 59 | Collections.addAll(categoryIds, packageCategoryIds); |
| 60 | Collections.addAll(values, packageValues); |
| 61 | |
| 62 | if (mGenericUserData != null) { |
| 63 | final String[] genericCategoryIds = mGenericUserData.getCategoryIds(); |
| 64 | final String[] genericValues = mGenericUserData.getValues(); |
| 65 | final int size = mGenericUserData.getCategoryIds().length; |
| 66 | for (int i = 0; i < size; i++) { |
| 67 | if (!categoryIds.contains(genericCategoryIds[i])) { |
| 68 | categoryIds.add(genericCategoryIds[i]); |
| 69 | values.add(genericValues[i]); |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | mCategories = new String[categoryIds.size()]; |
| 75 | categoryIds.toArray(mCategories); |
| 76 | mValues = new String[values.size()]; |
| 77 | values.toArray(mValues); |
| 78 | } |
| 79 | |
| 80 | @Nullable |
| 81 | @Override |
| 82 | public String getFieldClassificationAlgorithm() { |
| 83 | final String packageDefaultAlgo = mPackageUserData.getFieldClassificationAlgorithm(); |
| 84 | if (packageDefaultAlgo != null) { |
| 85 | return packageDefaultAlgo; |
| 86 | } else { |
| 87 | return mGenericUserData == null ? null : |
| 88 | mGenericUserData.getFieldClassificationAlgorithm(); |
| 89 | } |
| 90 | } |
| 91 | |
| 92 | @Override |
| 93 | public Bundle getDefaultFieldClassificationArgs() { |
| 94 | final Bundle packageDefaultArgs = mPackageUserData.getDefaultFieldClassificationArgs(); |
| 95 | if (packageDefaultArgs != null) { |
| 96 | return packageDefaultArgs; |
| 97 | } else { |
| 98 | return mGenericUserData == null ? null : |
| 99 | mGenericUserData.getDefaultFieldClassificationArgs(); |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | @Nullable |
| 104 | @Override |
| 105 | public String getFieldClassificationAlgorithmForCategory(@NonNull String categoryId) { |
| 106 | Preconditions.checkNotNull(categoryId); |
| 107 | final ArrayMap<String, String> categoryAlgorithms = getFieldClassificationAlgorithms(); |
| 108 | if (categoryAlgorithms == null || !categoryAlgorithms.containsKey(categoryId)) { |
| 109 | return null; |
| 110 | } |
| 111 | return categoryAlgorithms.get(categoryId); |
| 112 | } |
| 113 | |
| 114 | @Override |
| 115 | public ArrayMap<String, String> getFieldClassificationAlgorithms() { |
| 116 | final ArrayMap<String, String> packageAlgos = mPackageUserData |
| 117 | .getFieldClassificationAlgorithms(); |
| 118 | final ArrayMap<String, String> genericAlgos = mGenericUserData == null ? null : |
| 119 | mGenericUserData.getFieldClassificationAlgorithms(); |
| 120 | |
| 121 | ArrayMap<String, String> categoryAlgorithms = null; |
| 122 | if (packageAlgos != null || genericAlgos != null) { |
| 123 | categoryAlgorithms = new ArrayMap<>(); |
| 124 | if (genericAlgos != null) { |
| 125 | categoryAlgorithms.putAll(genericAlgos); |
| 126 | } |
| 127 | if (packageAlgos != null) { |
| 128 | categoryAlgorithms.putAll(packageAlgos); |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | return categoryAlgorithms; |
| 133 | } |
| 134 | |
| 135 | @Override |
| 136 | public ArrayMap<String, Bundle> getFieldClassificationArgs() { |
| 137 | final ArrayMap<String, Bundle> packageArgs = mPackageUserData.getFieldClassificationArgs(); |
| 138 | final ArrayMap<String, Bundle> genericArgs = mGenericUserData == null ? null : |
| 139 | mGenericUserData.getFieldClassificationArgs(); |
| 140 | |
| 141 | ArrayMap<String, Bundle> categoryArgs = null; |
| 142 | if (packageArgs != null || genericArgs != null) { |
| 143 | categoryArgs = new ArrayMap<>(); |
| 144 | if (genericArgs != null) { |
| 145 | categoryArgs.putAll(genericArgs); |
| 146 | } |
| 147 | if (packageArgs != null) { |
| 148 | categoryArgs.putAll(packageArgs); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | return categoryArgs; |
| 153 | } |
| 154 | |
| 155 | @Override |
| 156 | public String[] getCategoryIds() { |
| 157 | return mCategories; |
| 158 | } |
| 159 | |
| 160 | @Override |
| 161 | public String[] getValues() { |
| 162 | return mValues; |
| 163 | } |
| 164 | |
| 165 | ///////////////////////////////////// |
| 166 | // Object "contract" methods. // |
| 167 | ///////////////////////////////////// |
| 168 | @Override |
| 169 | public String toString() { |
| 170 | if (!sDebug) return super.toString(); |
| 171 | |
| 172 | // OK to print UserData because UserData.toString() is PII-aware |
| 173 | final StringBuilder builder = new StringBuilder("genericUserData=") |
| 174 | .append(mGenericUserData) |
| 175 | .append(", packageUserData=").append(mPackageUserData); |
| 176 | return builder.toString(); |
| 177 | } |
| 178 | |
| 179 | ///////////////////////////////////// |
| 180 | // Parcelable "contract" methods. // |
| 181 | ///////////////////////////////////// |
| 182 | |
| 183 | @Override |
| 184 | public int describeContents() { |
| 185 | return 0; |
| 186 | } |
| 187 | |
| 188 | @Override |
| 189 | public void writeToParcel(Parcel parcel, int flags) { |
| 190 | parcel.writeParcelable(mGenericUserData, 0); |
| 191 | parcel.writeParcelable(mPackageUserData, 0); |
| 192 | } |
| 193 | |
Jeff Sharkey | 9e8f83d | 2019-02-28 12:06:45 -0700 | [diff] [blame] | 194 | public static final @android.annotation.NonNull Parcelable.Creator<CompositeUserData> CREATOR = |
Adam He | 1cb6f80 | 2018-12-10 15:15:49 -0800 | [diff] [blame] | 195 | new Parcelable.Creator<CompositeUserData>() { |
| 196 | @Override |
| 197 | public CompositeUserData createFromParcel(Parcel parcel) { |
| 198 | // Always go through the builder to ensure the data ingested by |
| 199 | // the system obeys the contract of the builder to avoid attacks |
| 200 | // using specially crafted parcels. |
| 201 | final UserData genericUserData = parcel.readParcelable(null); |
| 202 | final UserData packageUserData = parcel.readParcelable(null); |
| 203 | return new CompositeUserData(genericUserData, packageUserData); |
| 204 | } |
| 205 | |
| 206 | @Override |
| 207 | public CompositeUserData[] newArray(int size) { |
| 208 | return new CompositeUserData[size]; |
| 209 | } |
| 210 | }; |
| 211 | } |