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