1/*
2 * Copyright (C) 2016 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
17package com.android.settings.enterprise;
18
19import android.content.ComponentName;
20import android.content.Context;
21import android.content.Intent;
22import android.content.pm.PackageManager;
23import android.content.pm.UserInfo;
24import android.content.res.Resources;
25import android.os.UserHandle;
26import android.os.UserManager;
27import android.provider.Settings;
28import android.text.SpannableStringBuilder;
29import android.text.style.ClickableSpan;
30import android.view.View;
31
32import com.android.settings.R;
33import com.android.settings.applications.PackageManagerWrapper;
34import com.android.settings.vpn2.ConnectivityManagerWrapper;
35import com.android.settings.vpn2.VpnUtils;
36
37import java.util.Date;
38import java.util.List;
39
40public class EnterprisePrivacyFeatureProviderImpl implements EnterprisePrivacyFeatureProvider {
41
42    private final Context mContext;
43    private final DevicePolicyManagerWrapper mDpm;
44    private final PackageManagerWrapper mPm;
45    private final UserManager mUm;
46    private final ConnectivityManagerWrapper mCm;
47    private final Resources mResources;
48
49    private static final int MY_USER_ID = UserHandle.myUserId();
50
51    public EnterprisePrivacyFeatureProviderImpl(Context context, DevicePolicyManagerWrapper dpm,
52            PackageManagerWrapper pm, UserManager um, ConnectivityManagerWrapper cm,
53            Resources resources) {
54        mContext = context.getApplicationContext();
55        mDpm = dpm;
56        mPm = pm;
57        mUm = um;
58        mCm = cm;
59        mResources = resources;
60    }
61
62    @Override
63    public boolean hasDeviceOwner() {
64        if (!mPm.hasSystemFeature(PackageManager.FEATURE_DEVICE_ADMIN)) {
65            return false;
66        }
67        return mDpm.getDeviceOwnerComponentOnAnyUser() != null;
68    }
69
70    private int getManagedProfileUserId() {
71        for (final UserInfo userInfo : mUm.getProfiles(MY_USER_ID)) {
72            if (userInfo.isManagedProfile()) {
73                return userInfo.id;
74            }
75        }
76        return UserHandle.USER_NULL;
77    }
78
79    @Override
80    public boolean isInCompMode() {
81        return hasDeviceOwner() && getManagedProfileUserId() != UserHandle.USER_NULL;
82    }
83
84    @Override
85    public String getDeviceOwnerOrganizationName() {
86        final CharSequence organizationName = mDpm.getDeviceOwnerOrganizationName();
87        if (organizationName == null) {
88            return null;
89        } else {
90            return organizationName.toString();
91        }
92    }
93
94    @Override
95    public CharSequence getDeviceOwnerDisclosure() {
96        if (!hasDeviceOwner()) {
97            return null;
98        }
99
100        final SpannableStringBuilder disclosure = new SpannableStringBuilder();
101        final CharSequence organizationName = mDpm.getDeviceOwnerOrganizationName();
102        if (organizationName != null) {
103            disclosure.append(mResources.getString(R.string.do_disclosure_with_name,
104                    organizationName));
105        } else {
106            disclosure.append(mResources.getString(R.string.do_disclosure_generic));
107        }
108        disclosure.append(mResources.getString(R.string.do_disclosure_learn_more_separator));
109        disclosure.append(mResources.getString(R.string.do_disclosure_learn_more),
110                new EnterprisePrivacySpan(mContext), 0);
111        return disclosure;
112    }
113
114    @Override
115    public Date getLastSecurityLogRetrievalTime() {
116        final long timestamp = mDpm.getLastSecurityLogRetrievalTime();
117        return timestamp < 0 ? null : new Date(timestamp);
118    }
119
120    @Override
121    public Date getLastBugReportRequestTime() {
122        final long timestamp = mDpm.getLastBugReportRequestTime();
123        return timestamp < 0 ? null : new Date(timestamp);
124    }
125
126    @Override
127    public Date getLastNetworkLogRetrievalTime() {
128        final long timestamp = mDpm.getLastNetworkLogRetrievalTime();
129        return timestamp < 0 ? null : new Date(timestamp);
130    }
131
132    @Override
133    public boolean isSecurityLoggingEnabled() {
134        return mDpm.isSecurityLoggingEnabled(null);
135    }
136
137    @Override
138    public boolean isNetworkLoggingEnabled() {
139        return mDpm.isNetworkLoggingEnabled(null);
140    }
141
142    @Override
143    public boolean isAlwaysOnVpnSetInCurrentUser() {
144        return VpnUtils.isAlwaysOnVpnSet(mCm, MY_USER_ID);
145    }
146
147    @Override
148    public boolean isAlwaysOnVpnSetInManagedProfile() {
149        final int managedProfileUserId = getManagedProfileUserId();
150        return managedProfileUserId != UserHandle.USER_NULL &&
151                VpnUtils.isAlwaysOnVpnSet(mCm, managedProfileUserId);
152    }
153
154    @Override
155    public boolean isGlobalHttpProxySet() {
156        return mCm.getGlobalProxy() != null;
157    }
158
159    @Override
160    public int getMaximumFailedPasswordsBeforeWipeInCurrentUser() {
161        final ComponentName profileOwner = mDpm.getProfileOwnerAsUser(MY_USER_ID);
162        if (profileOwner == null) {
163            return 0;
164        }
165        return mDpm.getMaximumFailedPasswordsForWipe(profileOwner, MY_USER_ID);
166    }
167
168    @Override
169    public int getMaximumFailedPasswordsBeforeWipeInManagedProfile() {
170        final int userId = getManagedProfileUserId();
171        if (userId == UserHandle.USER_NULL) {
172            return 0;
173        }
174        final ComponentName profileOwner = mDpm.getProfileOwnerAsUser(userId);
175        if (profileOwner == null) {
176            return 0;
177        }
178        return mDpm.getMaximumFailedPasswordsForWipe(profileOwner, userId);
179    }
180
181    @Override
182    public String getImeLabelIfOwnerSet() {
183        if (!mDpm.isCurrentInputMethodSetByOwner()) {
184            return null;
185        }
186        final String packageName = Settings.Secure.getStringForUser(mContext.getContentResolver(),
187                Settings.Secure.DEFAULT_INPUT_METHOD, MY_USER_ID);
188        if (packageName == null) {
189            return null;
190        }
191        try {
192            return mPm.getApplicationInfoAsUser(packageName, 0 /* flags */, MY_USER_ID)
193                    .loadLabel(mPm.getPackageManager()).toString();
194        } catch (PackageManager.NameNotFoundException e) {
195            return null;
196        }
197    }
198
199    @Override
200    public int getNumberOfOwnerInstalledCaCertsForCurrentUserAndManagedProfile() {
201        int num = 0;
202        List<String> certs = mDpm.getOwnerInstalledCaCerts(new UserHandle(MY_USER_ID));
203        if (certs != null) {
204            num += certs.size();
205        }
206        final int userId = getManagedProfileUserId();
207        if (userId != UserHandle.USER_NULL) {
208            certs = mDpm.getOwnerInstalledCaCerts(new UserHandle(userId));
209            if (certs != null) {
210                num += certs.size();
211            }
212        }
213        return num;
214    }
215
216    @Override
217    public int getNumberOfActiveDeviceAdminsForCurrentUserAndManagedProfile() {
218        int activeAdmins = 0;
219        for (final UserInfo userInfo : mUm.getProfiles(MY_USER_ID)) {
220            final List<ComponentName> activeAdminsForUser
221                    = mDpm.getActiveAdminsAsUser(userInfo.id);
222            if (activeAdminsForUser != null) {
223                activeAdmins += activeAdminsForUser.size();
224            }
225        }
226        return activeAdmins;
227    }
228
229    protected static class EnterprisePrivacySpan extends ClickableSpan {
230        private final Context mContext;
231
232        public EnterprisePrivacySpan(Context context) {
233            mContext = context;
234        }
235
236        @Override
237        public void onClick(View widget) {
238            mContext.startActivity(new Intent(Settings.ACTION_ENTERPRISE_PRIVACY_SETTINGS));
239        }
240
241        @Override
242        public boolean equals(Object object) {
243            return object instanceof EnterprisePrivacySpan
244                    && ((EnterprisePrivacySpan) object).mContext == mContext;
245        }
246    }
247}
248