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/** * Copyright 2010-present Facebook./*from ww w .ja va2s. c om*/ * * 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.internal; import android.content.ContentResolver; import android.content.Context; import android.content.Intent; import android.content.pm.*; import android.database.Cursor; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.text.TextUtils; import com.facebook.*; import java.util.*; /** * com.facebook.internal is solely for the use of other packages within the Facebook SDK for Android. Use of * any of the classes in this package is unsupported, and they may be modified or removed without warning at * any time. */ public final class NativeProtocol { static final String FACEBOOK_PACKAGE = "com.facebook.katana"; static final String FACEBOOK_PROXY_AUTH_ACTIVITY = "com.facebook.katana.ProxyAuth"; static final String FACEBOOK_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 FACEBOOK_PROXY_AUTH_PERMISSIONS_KEY = "scope"; public static final String FACEBOOK_PROXY_AUTH_APP_ID_KEY = "client_id"; public static final String FACEBOOK_PROXY_AUTH_E2E_KEY = "e2e"; static final boolean validateSignature(Context context, String packageName) { String brand = Build.BRAND; int applicationFlags = context.getApplicationInfo().flags; if (brand.startsWith("generic") && (applicationFlags & ApplicationInfo.FLAG_DEBUGGABLE) != 0) { // We are debugging on an emulator, don't validate package signature. return true; } 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; } public static Intent createProxyAuthIntent(Context context, String applicationId, List<String> permissions, String e2e) { Intent intent = new Intent() .setClassName(FACEBOOK_PACKAGE, FACEBOOK_PROXY_AUTH_ACTIVITY) .putExtra(FACEBOOK_PROXY_AUTH_APP_ID_KEY, applicationId); if (!Utility.isNullOrEmpty(permissions)) { intent.putExtra(FACEBOOK_PROXY_AUTH_PERMISSIONS_KEY, TextUtils.join(",", permissions)); } if (!Utility.isNullOrEmpty(e2e)) { intent.putExtra(FACEBOOK_PROXY_AUTH_E2E_KEY, e2e); } return validateKatanaActivityIntent(context, intent); } public static Intent createTokenRefreshIntent(Context context) { Intent intent = new Intent() .setClassName(FACEBOOK_PACKAGE, FACEBOOK_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"; public static final int PROTOCOL_VERSION_20121101 = 20121101; public static final int PROTOCOL_VERSION_20130502 = 20130502; public static final int PROTOCOL_VERSION_20130618 = 20130618; public static final String EXTRA_PROTOCOL_VERSION = "com.facebook.platform.protocol.PROTOCOL_VERSION"; public static final String EXTRA_PROTOCOL_ACTION = "com.facebook.platform.protocol.PROTOCOL_ACTION"; public static final String EXTRA_PROTOCOL_CALL_ID = "com.facebook.platform.protocol.CALL_ID"; public static final String EXTRA_GET_INSTALL_DATA_PACKAGE = "com.facebook.platform.extra.INSTALLDATA_PACKAGE"; // Messages supported by PlatformService: public static final int MESSAGE_GET_ACCESS_TOKEN_REQUEST = 0x10000; public static final int MESSAGE_GET_ACCESS_TOKEN_REPLY = 0x10001; static final int MESSAGE_GET_PROTOCOL_VERSIONS_REQUEST = 0x10002; static final int MESSAGE_GET_PROTOCOL_VERSIONS_REPLY = 0x10003; public static final int MESSAGE_GET_INSTALL_DATA_REQUEST = 0x10004; public static final int MESSAGE_GET_INSTALL_DATA_REPLY = 0x10005; // 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 // MESSAGE_GET_PROTOCOL_VERSIONS_REPLY data keys: static final String EXTRA_PROTOCOL_VERSIONS = "com.facebook.platform.extra.PROTOCOL_VERSIONS"; // Values of EXTRA_PROTOCOL_ACTION supported by PlatformActivity: public static final String ACTION_LOGIN_DIALOG = "com.facebook.platform.action.request.LOGIN_DIALOG"; public static final String ACTION_FEED_DIALOG = "com.facebook.platform.action.request.FEED_DIALOG"; public static final String ACTION_OGACTIONPUBLISH_DIALOG = "com.facebook.platform.action.request.OGACTIONPUBLISH_DIALOG"; // Values of EXTRA_PROTOCOL_ACTION values returned by PlatformActivity: static final String ACTION_LOGIN_DIALOG_REPLY = "com.facebook.platform.action.reply.LOGIN_DIALOG"; public static final String ACTION_FEED_DIALOG_REPLY = "com.facebook.platform.action.reply.FEED_DIALOG"; public static final String ACTION_OGACTIONPUBLISH_DIALOG_REPLY = "com.facebook.platform.action.reply.OGACTIONPUBLISH_DIALOG"; // Extras supported for ACTION_LOGIN_DIALOG: public static final String EXTRA_PERMISSIONS = "com.facebook.platform.extra.PERMISSIONS"; public static final String EXTRA_WRITE_PRIVACY = "com.facebook.platform.extra.WRITE_PRIVACY"; public static final String EXTRA_APPLICATION_ID = "com.facebook.platform.extra.APPLICATION_ID"; public static final String EXTRA_APPLICATION_NAME = "com.facebook.platform.extra.APPLICATION_NAME"; // Extras returned by setResult() for ACTION_LOGIN_DIALOG public static final String EXTRA_ACCESS_TOKEN = "com.facebook.platform.extra.ACCESS_TOKEN"; public static final String EXTRA_EXPIRES_SECONDS_SINCE_EPOCH = "com.facebook.platform.extra.EXPIRES_SECONDS_SINCE_EPOCH"; // EXTRA_PERMISSIONS // Extras supported for ACTION_FEED_DIALOG: public static final String EXTRA_PLACE_TAG = "com.facebook.platform.extra.PLACE"; public static final String EXTRA_FRIEND_TAGS = "com.facebook.platform.extra.FRIENDS"; public static final String EXTRA_LINK = "com.facebook.platform.extra.LINK"; public static final String EXTRA_IMAGE = "com.facebook.platform.extra.IMAGE"; public static final String EXTRA_TITLE = "com.facebook.platform.extra.TITLE"; public static final String EXTRA_SUBTITLE = "com.facebook.platform.extra.SUBTITLE"; public static final String EXTRA_DESCRIPTION = "com.facebook.platform.extra.DESCRIPTION"; public static final String EXTRA_REF = "com.facebook.platform.extra.REF"; public static final String EXTRA_DATA_FAILURES_FATAL = "com.facebook.platform.extra.DATA_FAILURES_FATAL"; // Extras supported for ACTION_OGACTIONPUBLISH_DIALOG: public static final String EXTRA_ACTION = "com.facebook.platform.extra.ACTION"; public static final String EXTRA_ACTION_TYPE = "com.facebook.platform.extra.ACTION_TYPE"; public static final String EXTRA_PREVIEW_PROPERTY_NAME = "com.facebook.platform.extra.PREVIEW_PROPERTY_NAME"; // OG objects will have this key to set to true if they should be created as part of OG Action publish public static final String OPEN_GRAPH_CREATE_OBJECT_KEY = "fbsdk:create_object"; // Determines whether an image is user generated public static final String IMAGE_USER_GENERATED_KEY = "user_generated"; // url key for images public static final String IMAGE_URL_KEY = "url"; // Keys for status data in MESSAGE_ERROR_REPLY from PlatformService and for error // extras returned by PlatformActivity's setResult() in case of errors: public static final String STATUS_ERROR_TYPE = "com.facebook.platform.status.ERROR_TYPE"; public static final String STATUS_ERROR_DESCRIPTION = "com.facebook.platform.status.ERROR_DESCRIPTION"; public static final String STATUS_ERROR_CODE = "com.facebook.platform.status.ERROR_CODE"; public static final String STATUS_ERROR_SUBCODE = "com.facebook.platform.status.ERROR_SUBCODE"; public static final String STATUS_ERROR_JSON = "com.facebook.platform.status.ERROR_JSON"; // Expected values for ERROR_KEY_TYPE. Clients should tolerate other values: public static final String ERROR_UNKNOWN_ERROR = "UnknownError"; public static final String ERROR_PROTOCOL_ERROR = "ProtocolError"; public static final String ERROR_USER_CANCELED = "UserCanceled"; public static final String ERROR_APPLICATION_ERROR = "ApplicationError"; public static final String ERROR_NETWORK_ERROR = "NetworkError"; public static final String ERROR_PERMISSION_DENIED = "PermissionDenied"; public static final String ERROR_SERVICE_DISABLED = "ServiceDisabled"; public static final String AUDIENCE_ME = "SELF"; public static final String AUDIENCE_FRIENDS = "ALL_FRIENDS"; public static final String AUDIENCE_EVERYONE = "EVERYONE"; // Request codes for different categories of native protocol calls. public static final int DIALOG_REQUEST_CODE = 0xfacf; // URIs for PlatformProvider public static final String CONTENT_SCHEME = "content://"; public static final String PLATFORM_PROVIDER = FACEBOOK_PACKAGE + ".provider.PlatformProvider"; public static final Uri PLATFORM_PROVIDER_VERSIONS_URI = Uri.parse(CONTENT_SCHEME + PLATFORM_PROVIDER + "/versions"); // Columns returned by PlatformProvider public static final String PLATFORM_PROVIDER_VERSION_COLUMN = "version"; // Note: be sure this stays sorted in descending order; add new versions at the beginning private static final List<Integer> KNOWN_PROTOCOL_VERSIONS = Arrays.asList(PROTOCOL_VERSION_20130618, PROTOCOL_VERSION_20130502, PROTOCOL_VERSION_20121101); public static Intent createPlatformActivityIntent(Context context, String action, int version, Bundle extras) { Intent intent = new Intent() .setAction(INTENT_ACTION_PLATFORM_ACTIVITY) .setPackage(FACEBOOK_PACKAGE) .addCategory(Intent.CATEGORY_DEFAULT) .putExtras(extras) .putExtra(EXTRA_PROTOCOL_VERSION, version) .putExtra(EXTRA_PROTOCOL_ACTION, action); return validateKatanaActivityIntent(context, intent); } public static Intent createPlatformServiceIntent(Context context) { Intent intent = new Intent(INTENT_ACTION_PLATFORM_SERVICE) .setPackage(FACEBOOK_PACKAGE) .addCategory(Intent.CATEGORY_DEFAULT); return validateKatanaServiceIntent(context, intent); } public static Intent createLoginDialog20121101Intent(Context context, String applicationId, ArrayList<String> permissions, String audience) { Intent intent = new Intent() .setAction(INTENT_ACTION_PLATFORM_ACTIVITY) .setPackage(FACEBOOK_PACKAGE) .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_PROTOCOL_CALL_ID, generateCallId()) .putExtra(EXTRA_WRITE_PRIVACY, ensureDefaultAudience(audience)); return validateKatanaActivityIntent(context, intent); } public static boolean isErrorResult(Intent resultIntent) { return resultIntent.hasExtra(STATUS_ERROR_TYPE); } public static Exception getErrorFromResult(Intent resultIntent) { if (!isErrorResult(resultIntent)) { return null; } String type = resultIntent.getStringExtra(STATUS_ERROR_TYPE); String description = resultIntent.getStringExtra(STATUS_ERROR_DESCRIPTION); if (type.equalsIgnoreCase(ERROR_USER_CANCELED)) { return new FacebookOperationCanceledException(description); } /* TODO parse error values and create appropriate exception class */ return new FacebookException(description); } private static String generateCallId() { return UUID.randomUUID().toString(); } 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; } public 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)); } public static final int NO_PROTOCOL_AVAILABLE = -1; public static int getLatestAvailableProtocolVersion(Context context, final int minimumVersion) { ContentResolver contentResolver = context.getContentResolver(); String [] projection = new String[]{ PLATFORM_PROVIDER_VERSION_COLUMN }; Cursor c = contentResolver.query(PLATFORM_PROVIDER_VERSIONS_URI, projection, null, null, null); if (c == null) { return NO_PROTOCOL_AVAILABLE; } Set<Integer> versions = new HashSet<Integer>(); while (c.moveToNext()) { int version = c.getInt(c.getColumnIndex(PLATFORM_PROVIDER_VERSION_COLUMN)); versions.add(version); } for (Integer knownVersion : KNOWN_PROTOCOL_VERSIONS) { if (knownVersion < minimumVersion) { return NO_PROTOCOL_AVAILABLE; } if (versions.contains(knownVersion)) { return knownVersion; } } return NO_PROTOCOL_AVAILABLE; } }