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/** * Copyright 2010-present Facebook.//from www . j a va 2s . co m * * 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 com.facebook; import android.content.Context; import android.content.Intent; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.content.pm.ResolveInfo; import android.content.pm.Signature; import android.os.Bundle; import android.text.TextUtils; import com.facebook.internal.Utility; import java.util.ArrayList; import java.util.List; final class NativeProtocol { static final String KATANA_PACKAGE = "com.facebook.katana"; static final String KATANA_PROXY_AUTH_ACTIVITY = "com.facebook.katana.ProxyAuth"; static final String KATANA_TOKEN_REFRESH_ACTIVITY = "com.facebook.katana.platform.TokenRefreshService"; static final String KATANA_SIGNATURE = "30820268308201d102044a9c4610300d06092a864886f70d0101040500307a310" + "b3009060355040613025553310b30090603550408130243413112301006035504" + "07130950616c6f20416c746f31183016060355040a130f46616365626f6f6b204" + "d6f62696c653111300f060355040b130846616365626f6f6b311d301b06035504" + "03131446616365626f6f6b20436f72706f726174696f6e3020170d30393038333" + "13231353231365a180f32303530303932353231353231365a307a310b30090603" + "55040613025553310b30090603550408130243413112301006035504071309506" + "16c6f20416c746f31183016060355040a130f46616365626f6f6b204d6f62696c" + "653111300f060355040b130846616365626f6f6b311d301b06035504031314466" + "16365626f6f6b20436f72706f726174696f6e30819f300d06092a864886f70d01" + "0101050003818d0030818902818100c207d51df8eb8c97d93ba0c8c1002c928fa" + "b00dc1b42fca5e66e99cc3023ed2d214d822bc59e8e35ddcf5f44c7ae8ade50d7" + "e0c434f500e6c131f4a2834f987fc46406115de2018ebbb0d5a3c261bd97581cc" + "fef76afc7135a6d59e8855ecd7eacc8f8737e794c60a761c536b72b11fac8e603" + "f5da1a2d54aa103b8a13c0dbc10203010001300d06092a864886f70d010104050" + "0038181005ee9be8bcbb250648d3b741290a82a1c9dc2e76a0af2f2228f1d9f9c" + "4007529c446a70175c5a900d5141812866db46be6559e2141616483998211f4a6" + "73149fb2232a10d247663b26a9031e15f84bc1c74d141ff98a02d76f85b2c8ab2" + "571b6469b232d8e768a7f7ca04f7abe4a775615916c07940656b58717457b42bd" + "928a2"; private static final String BASIC_INFO = "basic_info"; public static final String KATANA_PROXY_AUTH_PERMISSIONS_KEY = "scope"; public static final String KATANA_PROXY_AUTH_APP_ID_KEY = "client_id"; static final boolean validateSignature(Context context, String packageName) { PackageInfo packageInfo = null; try { packageInfo = context.getPackageManager().getPackageInfo(packageName, PackageManager.GET_SIGNATURES); } catch (PackageManager.NameNotFoundException e) { return false; } for (Signature signature : packageInfo.signatures) { if (signature.toCharsString().equals(KATANA_SIGNATURE)) { return true; } } return false; } static Intent validateKatanaActivityIntent(Context context, Intent intent) { if (intent == null) { return null; } ResolveInfo resolveInfo = context.getPackageManager().resolveActivity(intent, 0); if (resolveInfo == null) { return null; } if (!validateSignature(context, resolveInfo.activityInfo.packageName)) { return null; } return intent; } static Intent validateKatanaServiceIntent(Context context, Intent intent) { if (intent == null) { return null; } ResolveInfo resolveInfo = context.getPackageManager().resolveService(intent, 0); if (resolveInfo == null) { return null; } if (!validateSignature(context, resolveInfo.serviceInfo.packageName)) { return null; } return intent; } static Intent createProxyAuthIntent(Context context, String applicationId, List<String> permissions) { Intent intent = new Intent() .setClassName(KATANA_PACKAGE, KATANA_PROXY_AUTH_ACTIVITY) .putExtra(KATANA_PROXY_AUTH_APP_ID_KEY, applicationId); if (!Utility.isNullOrEmpty(permissions)) { intent.putExtra(KATANA_PROXY_AUTH_PERMISSIONS_KEY, TextUtils.join(",", permissions)); } return validateKatanaActivityIntent(context, intent); } static Intent createTokenRefreshIntent(Context context) { Intent intent = new Intent(); intent.setClassName(KATANA_PACKAGE, KATANA_TOKEN_REFRESH_ACTIVITY); return validateKatanaServiceIntent(context, intent); } // --------------------------------------------------------------------------------------------- // Native Protocol updated 2012-11 static final String INTENT_ACTION_PLATFORM_ACTIVITY = "com.facebook.platform.PLATFORM_ACTIVITY"; static final String INTENT_ACTION_PLATFORM_SERVICE = "com.facebook.platform.PLATFORM_SERVICE"; static final int PROTOCOL_VERSION_20121101 = 20121101; static final String EXTRA_PROTOCOL_VERSION = "com.facebook.platform.protocol.PROTOCOL_VERSION"; static final String EXTRA_PROTOCOL_ACTION = "com.facebook.platform.protocol.PROTOCOL_ACTION"; // Messages supported by PlatformService: static final int MESSAGE_GET_ACCESS_TOKEN_REQUEST = 0x10000; static final int MESSAGE_GET_ACCESS_TOKEN_REPLY = 0x10001; // MESSAGE_ERROR_REPLY data keys: // See STATUS_* // MESSAGE_GET_ACCESS_TOKEN_REQUEST data keys: // EXTRA_APPLICATION_ID // MESSAGE_GET_ACCESS_TOKEN_REPLY data keys: // EXTRA_ACCESS_TOKEN // EXTRA_EXPIRES_SECONDS_SINCE_EPOCH // EXTRA_PERMISSIONS // Values of EXTRA_PROTOCOL_ACTION supported by PlatformActivity: static final String ACTION_LOGIN_DIALOG = "com.facebook.platform.action.request.LOGIN_DIALOG"; // Values of EXTRA_PROTOCOL_ACTION values returned by PlatformActivity: static final String ACTION_LOGIN_DIALOG_REPLY = "com.facebook.platform.action.reply.LOGIN_DIALOG"; // Extras supported for ACTION_LOGIN_DIALOG: static final String EXTRA_PERMISSIONS = "com.facebook.platform.extra.PERMISSIONS"; static final String EXTRA_WRITE_PRIVACY = "com.facebook.platform.extra.WRITE_PRIVACY"; static final String EXTRA_APPLICATION_ID = "com.facebook.platform.extra.APPLICATION_ID"; // Extras returned by setResult() for ACTION_LOGIN_DIALOG static final String EXTRA_ACCESS_TOKEN = "com.facebook.platform.extra.ACCESS_TOKEN"; static final String EXTRA_EXPIRES_SECONDS_SINCE_EPOCH = "com.facebook.platform.extra.EXPIRES_SECONDS_SINCE_EPOCH"; // EXTRA_PERMISSIONS // Keys for status data in MESSAGE_ERROR_REPLY from PlatformService and for error // extras returned by PlatformActivity's setResult() in case of errors: static final String STATUS_ERROR_TYPE = "com.facebook.platform.status.ERROR_TYPE"; static final String STATUS_ERROR_DESCRIPTION = "com.facebook.platform.status.ERROR_DESCRIPTION"; static final String STATUS_ERROR_CODE = "com.facebook.platform.status.ERROR_CODE"; static final String STATUS_ERROR_SUBCODE = "com.facebook.platform.status.ERROR_SUBCODE"; static final String STATUS_ERROR_JSON = "com.facebook.platform.status.ERROR_JSON"; // Expected values for ERROR_KEY_TYPE. Clients should tolerate other values: static final String ERROR_UNKNOWN_ERROR = "UnknownError"; static final String ERROR_PROTOCOL_ERROR = "ProtocolError"; static final String ERROR_USER_CANCELED = "UserCanceled"; static final String ERROR_APPLICATION_ERROR = "ApplicationError"; static final String ERROR_NETWORK_ERROR = "NetworkError"; static final String ERROR_PERMISSION_DENIED = "PermissionDenied"; static final String ERROR_SERVICE_DISABLED = "ServiceDisabled"; static final String AUDIENCE_ME = "SELF"; static final String AUDIENCE_FRIENDS = "ALL_FRIENDS"; static final String AUDIENCE_EVERYONE = "EVERYONE"; static Intent createLoginDialog20121101Intent(Context context, String applicationId, ArrayList<String> permissions, String audience) { Intent intent = new Intent() .setAction(INTENT_ACTION_PLATFORM_ACTIVITY) .addCategory(Intent.CATEGORY_DEFAULT) .putExtra(EXTRA_PROTOCOL_VERSION, PROTOCOL_VERSION_20121101) .putExtra(EXTRA_PROTOCOL_ACTION, ACTION_LOGIN_DIALOG) .putExtra(EXTRA_APPLICATION_ID, applicationId) .putStringArrayListExtra(EXTRA_PERMISSIONS, ensureDefaultPermissions(permissions)) .putExtra(EXTRA_WRITE_PRIVACY, ensureDefaultAudience(audience)); return validateKatanaActivityIntent(context, intent); } private static String ensureDefaultAudience(String audience) { if (Utility.isNullOrEmpty(audience)) { return AUDIENCE_ME; } else { return audience; } } private static ArrayList<String> ensureDefaultPermissions(ArrayList<String> permissions) { ArrayList<String> updated; // Return if we are doing publish, or if basic_info is already included if (Utility.isNullOrEmpty(permissions)) { updated = new ArrayList<String>(); } else { for (String permission : permissions) { if (Session.isPublishPermission(permission) || BASIC_INFO.equals(permission)) { return permissions; } } updated = new ArrayList<String>(permissions); } updated.add(BASIC_INFO); return updated; } static boolean isServiceDisabledResult20121101(Intent data) { int protocolVersion = data.getIntExtra(EXTRA_PROTOCOL_VERSION, 0); String errorType = data.getStringExtra(STATUS_ERROR_TYPE); return ((PROTOCOL_VERSION_20121101 == protocolVersion) && ERROR_SERVICE_DISABLED.equals(errorType)); } static AccessTokenSource getAccessTokenSourceFromNative(Bundle extras) { long expected = PROTOCOL_VERSION_20121101; long actual = extras.getInt(EXTRA_PROTOCOL_VERSION, 0); if (expected == actual) { return AccessTokenSource.FACEBOOK_APPLICATION_NATIVE; } else { return AccessTokenSource.FACEBOOK_APPLICATION_WEB; } } }