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      1 /*
      2  * Copyright (C) 2015 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.provider;
     17 
     18 import android.annotation.UnsupportedAppUsage;
     19 import android.app.admin.DevicePolicyManager;
     20 import android.content.ActivityNotFoundException;
     21 import android.content.ContentUris;
     22 import android.content.Context;
     23 import android.content.Intent;
     24 import android.content.UriMatcher;
     25 import android.net.Uri;
     26 import android.os.Process;
     27 import android.os.UserHandle;
     28 import android.text.TextUtils;
     29 import android.widget.Toast;
     30 
     31 import java.util.List;
     32 
     33 /**
     34  * Contacts related internal methods.
     35  *
     36  * @hide
     37  */
     38 public class ContactsInternal {
     39     private ContactsInternal() {
     40     }
     41 
     42     /** URI matcher used to parse contact URIs. */
     43     private static final UriMatcher sContactsUriMatcher = new UriMatcher(UriMatcher.NO_MATCH);
     44 
     45     private static final int CONTACTS_URI_LOOKUP_ID = 1000;
     46     private static final int CONTACTS_URI_LOOKUP = 1001;
     47 
     48     static {
     49         // Contacts URI matching table
     50         final UriMatcher matcher = sContactsUriMatcher;
     51         matcher.addURI(ContactsContract.AUTHORITY, "contacts/lookup/*", CONTACTS_URI_LOOKUP);
     52         matcher.addURI(ContactsContract.AUTHORITY, "contacts/lookup/*/#", CONTACTS_URI_LOOKUP_ID);
     53     }
     54 
     55     /**
     56      * Called by {@link ContactsContract} to star Quick Contact, possibly on the managed profile.
     57      */
     58     @UnsupportedAppUsage
     59     public static void startQuickContactWithErrorToast(Context context, Intent intent) {
     60         final Uri uri = intent.getData();
     61 
     62         final int match = sContactsUriMatcher.match(uri);
     63         switch (match) {
     64             case CONTACTS_URI_LOOKUP:
     65             case CONTACTS_URI_LOOKUP_ID: {
     66                 if (maybeStartManagedQuickContact(context, intent)) {
     67                     return; // Request handled by DPM.  Just return here.
     68                 }
     69                 break;
     70             }
     71         }
     72         // Launch on the current profile.
     73         startQuickContactWithErrorToastForUser(context, intent, context.getUser());
     74     }
     75 
     76     public static void startQuickContactWithErrorToastForUser(Context context, Intent intent,
     77             UserHandle user) {
     78         try {
     79             context.startActivityAsUser(intent, user);
     80         } catch (ActivityNotFoundException e) {
     81             Toast.makeText(context, com.android.internal.R.string.quick_contacts_not_available,
     82                     Toast.LENGTH_SHORT).show();
     83         }
     84     }
     85 
     86     /**
     87      * If the URI in {@code intent} is of a corp contact, launch quick contact on the managed
     88      * profile.
     89      *
     90      * @return the URI in {@code intent} is of a corp contact thus launched on the managed profile.
     91      */
     92     private static boolean maybeStartManagedQuickContact(Context context, Intent originalIntent) {
     93         final Uri uri = originalIntent.getData();
     94 
     95         // Decompose into an ID and a lookup key.
     96         final List<String> pathSegments = uri.getPathSegments();
     97         final boolean isContactIdIgnored = pathSegments.size() < 4;
     98         final long contactId = isContactIdIgnored
     99                 ? ContactsContract.Contacts.ENTERPRISE_CONTACT_ID_BASE //contact id will be ignored
    100                 : ContentUris.parseId(uri);
    101         final String lookupKey = pathSegments.get(2);
    102         final String directoryIdStr = uri.getQueryParameter(ContactsContract.DIRECTORY_PARAM_KEY);
    103         final long directoryId = (directoryIdStr == null)
    104                 ? ContactsContract.Directory.ENTERPRISE_DIRECTORY_ID_BASE
    105                 : Long.parseLong(directoryIdStr);
    106 
    107         // See if it has a corp lookupkey.
    108         if (TextUtils.isEmpty(lookupKey)
    109                 || !lookupKey.startsWith(
    110                         ContactsContract.Contacts.ENTERPRISE_CONTACT_LOOKUP_PREFIX)) {
    111             return false; // It's not a corp lookup key.
    112         }
    113 
    114         if (!ContactsContract.Contacts.isEnterpriseContactId(contactId)) {
    115             throw new IllegalArgumentException("Invalid enterprise contact id: " + contactId);
    116         }
    117         if (!ContactsContract.Directory.isEnterpriseDirectoryId(directoryId)) {
    118             throw new IllegalArgumentException("Invalid enterprise directory id: " + directoryId);
    119         }
    120 
    121         // Launch Quick Contact on the managed profile, if the policy allows.
    122         final DevicePolicyManager dpm = context.getSystemService(DevicePolicyManager.class);
    123         final String actualLookupKey = lookupKey.substring(
    124                 ContactsContract.Contacts.ENTERPRISE_CONTACT_LOOKUP_PREFIX.length());
    125         final long actualContactId =
    126                 (contactId - ContactsContract.Contacts.ENTERPRISE_CONTACT_ID_BASE);
    127         final long actualDirectoryId = (directoryId
    128                 - ContactsContract.Directory.ENTERPRISE_DIRECTORY_ID_BASE);
    129 
    130         dpm.startManagedQuickContact(actualLookupKey, actualContactId, isContactIdIgnored,
    131                 actualDirectoryId, originalIntent);
    132         return true;
    133     }
    134 }
    135