- update libraries

- change NSLogDebug Marco

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/FBSDKAccessToken.h

@@ -60,6 +60,12 @@ FBSDK_EXTERN NSString *const FBSDKAccessTokenChangeOldKey;
  */
 FBSDK_EXTERN NSString *const FBSDKAccessTokenChangeNewKey;
 
+/*
+ A key in the notification's userInfo that will be set
+ if and only if the token has expired.
+ */
+FBSDK_EXTERN NSString *const FBSDKAccessTokenDidExpire;
+
 
 /**
   Represents an immutable access token for using Facebook services.
@@ -101,6 +107,11 @@ FBSDK_EXTERN NSString *const FBSDKAccessTokenChangeNewKey;
  */
 @property (readonly, copy, nonatomic) NSString *userID;
 
+/**
+ Returns whether the access token is expired by checking its expirationDate property
+ */
+@property (readonly, assign, nonatomic, getter = isExpired) BOOL expired;
+
 - (instancetype)init NS_UNAVAILABLE;
 + (instancetype)new NS_UNAVAILABLE;
 
@@ -150,6 +161,12 @@ NS_DESIGNATED_INITIALIZER;
  */
 + (FBSDKAccessToken *)currentAccessToken;
 
+/**
+ Returns YES if currentAccessToken is not nil AND currentAccessToken is not expired
+
+ */
++ (BOOL)currentAccessTokenIsActive;
+
 /**
   Sets the "global" access token that represents the currently logged in user.
  - Parameter token: The access token to set.

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/FBSDKAccessToken.m

@@ -27,6 +27,7 @@ NSString *const FBSDKAccessTokenDidChangeNotification = @"com.facebook.sdk.FBSDK
 NSString *const FBSDKAccessTokenDidChangeUserID = @"FBSDKAccessTokenDidChangeUserID";
 NSString *const FBSDKAccessTokenChangeNewKey = @"FBSDKAccessToken";
 NSString *const FBSDKAccessTokenChangeOldKey = @"FBSDKAccessTokenOld";
+NSString *const FBSDKAccessTokenDidExpire = @"FBSDKAccessTokenDidExpire";
 
 static FBSDKAccessToken *g_currentAccessToken;
 
@@ -70,6 +71,11 @@ static FBSDKAccessToken *g_currentAccessToken;
   return [self.permissions containsObject:permission];
 }
 
+- (BOOL)isExpired
+{
+  return [self.expirationDate compare:NSDate.date] == NSOrderedAscending;
+}
+
 + (FBSDKAccessToken *)currentAccessToken
 {
   return g_currentAccessToken;
@@ -81,7 +87,8 @@ static FBSDKAccessToken *g_currentAccessToken;
     NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
     [FBSDKInternalUtility dictionary:userInfo setObject:token forKey:FBSDKAccessTokenChangeNewKey];
     [FBSDKInternalUtility dictionary:userInfo setObject:g_currentAccessToken forKey:FBSDKAccessTokenChangeOldKey];
-    if (![g_currentAccessToken.userID isEqualToString:token.userID]) {
+    // We set this flag also when the current Access Token was not valid, since there might be legacy code relying on it
+    if (![g_currentAccessToken.userID isEqualToString:token.userID] || ![self currentAccessTokenIsActive]) {
       userInfo[FBSDKAccessTokenDidChangeUserID] = @YES;
     }
 
@@ -100,6 +107,12 @@ static FBSDKAccessToken *g_currentAccessToken;
   }
 }
 
++ (BOOL)currentAccessTokenIsActive
+{
+  FBSDKAccessToken *currentAccessToken = [self currentAccessToken];
+  return currentAccessToken != nil && !currentAccessToken.isExpired;
+}
+
 + (void)refreshCurrentAccessToken:(FBSDKGraphRequestHandler)completionHandler
 {
   if ([FBSDKAccessToken currentAccessToken]) {

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/FBSDKAppEvents.m

@@ -122,6 +122,7 @@ NSString *const FBSDKAppEventNameFBSDKLikeButtonImpression        = @"fb_like_bu
 NSString *const FBSDKAppEventNameFBSDKLoginButtonImpression       = @"fb_login_button_impression";
 NSString *const FBSDKAppEventNameFBSDKSendButtonImpression        = @"fb_send_button_impression";
 NSString *const FBSDKAppEventNameFBSDKShareButtonImpression       = @"fb_share_button_impression";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingButtonImpression = @"fb_live_streaming_button_impression";
 
 NSString *const FBSDKAppEventNameFBSDKSmartLoginService      = @"fb_smart_login_service";
 
@@ -129,6 +130,7 @@ NSString *const FBSDKAppEventNameFBSDKLikeButtonDidTap  = @"fb_like_button_did_t
 NSString *const FBSDKAppEventNameFBSDKLoginButtonDidTap  = @"fb_login_button_did_tap";
 NSString *const FBSDKAppEventNameFBSDKSendButtonDidTap  = @"fb_send_button_did_tap";
 NSString *const FBSDKAppEventNameFBSDKShareButtonDidTap  = @"fb_share_button_did_tap";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingButtonDidTap  = @"fb_live_streaming_button_did_tap";
 
 NSString *const FBSDKAppEventNameFBSDKLikeControlDidDisable          = @"fb_like_control_did_disable";
 NSString *const FBSDKAppEventNameFBSDKLikeControlDidLike             = @"fb_like_control_did_like";
@@ -149,6 +151,16 @@ NSString *const FBSDKAppEventNameFBSDKEventAppInviteShareDialogShow =   @"fb_app
 
 NSString *const FBSDKAppEventNameFBSessionFASLoginDialogResult = @"fb_mobile_login_fas_dialog_result";
 
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingStart        = @"fb_sdk_live_streaming_start";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingStop         = @"fb_sdk_live_streaming_stop";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingPause        = @"fb_sdk_live_streaming_pause";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingResume       = @"fb_sdk_live_streaming_resume";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingError        = @"fb_sdk_live_streaming_error";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingUpdateStatus = @"fb_sdk_live_streaming_update_status";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingVideoID      = @"fb_sdk_live_streaming_video_id";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingMic          = @"fb_sdk_live_streaming_mic";
+NSString *const FBSDKAppEventNameFBSDKLiveStreamingCamera       = @"fb_sdk_live_streaming_camera";
+
 // Event Parameters internal to this file
 NSString *const FBSDKAppEventParameterDialogOutcome               = @"fb_dialog_outcome";
 NSString *const FBSDKAppEventParameterDialogErrorMessage          = @"fb_dialog_outcome_error_message";
@@ -162,6 +174,13 @@ NSString *const FBSDKAppEventParameterLogTime = @"_logTime";
 NSString *const FBSDKAppEventParameterEventName = @"_eventName";
 NSString *const FBSDKAppEventParameterImplicitlyLogged = @"_implicitlyLogged";
 
+NSString *const FBSDKAppEventParameterLiveStreamingPrevStatus    = @"live_streaming_prev_status";
+NSString *const FBSDKAppEventParameterLiveStreamingStatus        = @"live_streaming_status";
+NSString *const FBSDKAppEventParameterLiveStreamingError         = @"live_streaming_error";
+NSString *const FBSDKAppEventParameterLiveStreamingVideoID       = @"live_streaming_video_id";
+NSString *const FBSDKAppEventParameterLiveStreamingMicEnabled    = @"live_streaming_mic_enabled";
+NSString *const FBSDKAppEventParameterLiveStreamingCameraEnabled = @"live_streaming_camera_enabled";
+
 // Event parameter values internal to this file
 NSString *const FBSDKAppEventsDialogOutcomeValue_Completed = @"Completed";
 NSString *const FBSDKAppEventsDialogOutcomeValue_Cancelled = @"Cancelled";
@@ -593,6 +612,10 @@ static NSString *g_overrideAppID = nil;
 - (void)publishInstall
 {
   NSString *appID = [self appID];
+  if ([appID length] == 0) {
+    [FBSDKLogger singleShotLogEntry:FBSDKLoggingBehaviorDeveloperErrors logEntry:@"Missing [FBSDKAppEvents appID] for [FBSDKAppEvents publishInstall:]"];
+    return;
+  }
   NSString *lastAttributionPingString = [NSString stringWithFormat:@"com.facebook.sdk:lastAttributionPing%@", appID];
   NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
   if ([defaults objectForKey:lastAttributionPingString]) {
@@ -782,9 +805,16 @@ static NSString *g_overrideAppID = nil;
 - (void)flushOnMainQueue:(FBSDKAppEventsState *)appEventsState
                forReason:(FBSDKAppEventsFlushReason)reason
 {
+
   if (appEventsState.events.count == 0) {
     return;
   }
+
+  if ([appEventsState.appID length] == 0) {
+    [FBSDKLogger singleShotLogEntry:FBSDKLoggingBehaviorDeveloperErrors logEntry:@"Missing [FBSDKAppEvents appEventsState.appID] for [FBSDKAppEvents flushOnMainQueue:]"];
+    return;
+  }
+
   [FBSDKAppEventsUtility ensureOnMainThread:NSStringFromSelector(_cmd) className:NSStringFromClass([self class])];
 
   [self fetchServerConfiguration:^(void) {
@@ -864,7 +894,8 @@ static NSString *g_overrideAppID = nil;
 
     // We interpret a 400 coming back from FBRequestConnection as a server error due to improper data being
     // sent down.  Otherwise we assume no connectivity, or another condition where we could treat it as no connectivity.
-    flushResult = errorCode == 400 ? FlushResultServerError : FlushResultNoConnectivity;
+    // Adding 404 as having wrong/missing appID results in 404 and that is not a connectivity issue
+    flushResult = (errorCode == 400 || errorCode == 404) ? FlushResultServerError : FlushResultNoConnectivity;
   }
 
   if (flushResult == FlushResultServerError) {

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit.h

@@ -44,5 +44,5 @@
 #import <FBSDKCoreKit/FBSDKDeviceViewControllerBase.h>
 #endif
 
-#define FBSDK_VERSION_STRING @"4.31.1"
-#define FBSDK_TARGET_PLATFORM_VERSION @"v2.11"
+#define FBSDK_VERSION_STRING @"4.33.0"
+#define FBSDK_TARGET_PLATFORM_VERSION @"v3.0"

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/FBSDKGraphRequestConnection.m

@@ -60,6 +60,26 @@ static NSTimeInterval g_defaultTimeout = 60.0;
 
 static FBSDKErrorConfiguration *g_errorConfiguration;
 
+#if !TARGET_OS_TV
+static FBSDKAccessToken *_CreateExpiredAccessToken(FBSDKAccessToken *accessToken)
+{
+  if (accessToken == nil) {
+    return nil;
+  }
+  if (accessToken.isExpired) {
+    return accessToken;
+  }
+  NSDate *expirationDate = [NSDate dateWithTimeIntervalSinceNow:-1];
+  return [[FBSDKAccessToken alloc] initWithTokenString:accessToken.tokenString
+                                           permissions:accessToken.permissions.allObjects
+                                   declinedPermissions:accessToken.declinedPermissions.allObjects
+                                                 appID:accessToken.appID
+                                                userID:accessToken.userID
+                                        expirationDate:expirationDate
+                                           refreshDate:expirationDate];
+}
+#endif
+
 // ----------------------------------------------------------------------------
 // FBSDKGraphRequestConnectionState
 
@@ -659,7 +679,7 @@ NSURLSessionDataDelegate
                      error:(NSError **)error
 {
   id parsed = nil;
-  if (!(*error)) {
+  if (!(*error) && [utf8 isKindOfClass:[NSString class]]) {
     parsed = [FBSDKInternalUtility objectForJSONString:utf8 error:error];
     // if we fail parse we attempt a re-parse of a modified input to support results in the form "foo=bar", "true", etc.
     // which is shouldn't be necessary since Graph API v2.1.
@@ -741,10 +761,16 @@ NSURLSessionDataDelegate
   };
 
 #if !TARGET_OS_TV
-  void (^clearToken)(void) = ^{
-    if (!(metadata.request.flags & FBSDKGraphRequestFlagDoNotInvalidateTokenOnError)) {
+  void (^clearToken)(NSInteger) = ^(NSInteger errorSubcode){
+    if (metadata.request.flags & FBSDKGraphRequestFlagDoNotInvalidateTokenOnError) {
+      return;
+    }
+    if (errorSubcode == 493) {
+      [FBSDKAccessToken setCurrentAccessToken:_CreateExpiredAccessToken([FBSDKAccessToken currentAccessToken])];
+    } else {
       [FBSDKAccessToken setCurrentAccessToken:nil];
     }
+
   };
 
   FBSDKSystemAccountStoreAdapter *adapter = [FBSDKSystemAccountStoreAdapter sharedInstance];
@@ -769,14 +795,14 @@ NSURLSessionDataDelegate
           [adapter renewSystemAuthorization:^(ACAccountCredentialRenewResult result, NSError *renewError) {
             NSOperationQueue *queue = _delegateQueue ?: [NSOperationQueue mainQueue];
             [queue addOperationWithBlock:^{
-              clearToken();
+              clearToken(errorSubcode);
               finishAndInvokeCompletionHandler();
             }];
           }];
           return;
         }
       }
-      clearToken();
+      clearToken(errorSubcode);
     } else if (errorCode >= 200 && errorCode < 300) {
       // permission error
       [adapter renewSystemAuthorization:^(ACAccountCredentialRenewResult result, NSError *renewError) {

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/FBSDKSettings.m

@@ -19,6 +19,7 @@
 #import "FBSDKSettings+Internal.h"
 
 #import "FBSDKAccessTokenCache.h"
+#import "FBSDKAccessTokenExpirer.h"
 #import "FBSDKCoreKit.h"
 
 #define FBSDKSETTINGS_PLIST_CONFIGURATION_SETTING_IMPL(TYPE, PLIST_KEY, GETTER, SETTER, DEFAULT_VALUE) \
@@ -52,6 +53,7 @@ static NSString *const FBSDKSettingsLimitEventAndDataUsage = @"com.facebook.sdk:
 static BOOL g_disableErrorRecovery;
 static NSString *g_userAgentSuffix;
 static NSString *g_defaultGraphAPIVersion;
+static FBSDKAccessTokenExpirer *g_accessTokenExpirer;
 
 @implementation FBSDKSettings
 
@@ -59,6 +61,7 @@ static NSString *g_defaultGraphAPIVersion;
 {
   if (self == [FBSDKSettings class]) {
     g_tokenCache = [[FBSDKAccessTokenCache alloc] init];
+    g_accessTokenExpirer = [[FBSDKAccessTokenExpirer alloc] init];
   }
 }
 

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/Internal/AppEvents/FBSDKAppEvents+Internal.h

@@ -94,6 +94,17 @@ FBSDK_EXTERN NSString *const FBSDKAppEventNameFBDialogsWebLoginCompleted;
 /** Use to log the result of the App Switch OS AlertView. Only available on OS >= iOS10 */
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSessionFASLoginDialogResult;
 
+/** Use to log the live streaming events from sdk */
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingStart;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingStop;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingPause;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingResume;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingError;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingUpdateStatus;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingVideoID;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingMic;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingCamera;
+
 /** Use to log the results of a share dialog */
 FBSDK_EXTERN NSString *const FBSDLAppEventNameFBSDKEventShareDialogResult;
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKEventMessengerShareDialogResult;
@@ -112,6 +123,14 @@ FBSDK_EXTERN NSString *const FBSDKAppEventParameterDialogShareContentPageID;
 FBSDK_EXTERN NSString *const FBSDKAppEventParameterShareTrayActivityName;
 FBSDK_EXTERN NSString *const FBSDKAppEventParameterShareTrayResult;
 
+/*! Use to log parameters for live streaming*/
+FBSDK_EXTERN NSString *const FBSDKAppEventParameterLiveStreamingPrevStatus;
+FBSDK_EXTERN NSString *const FBSDKAppEventParameterLiveStreamingStatus;
+FBSDK_EXTERN NSString *const FBSDKAppEventParameterLiveStreamingError;
+FBSDK_EXTERN NSString *const FBSDKAppEventParameterLiveStreamingVideoID;
+FBSDK_EXTERN NSString *const FBSDKAppEventParameterLiveStreamingMicEnabled;
+FBSDK_EXTERN NSString *const FBSDKAppEventParameterLiveStreamingCameraEnabled;
+
 // Internally known event parameter values
 
 FBSDK_EXTERN NSString *const FBSDKAppEventsDialogOutcomeValue_Completed;
@@ -147,6 +166,7 @@ FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLikeButtonImpression;
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLoginButtonImpression;
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKSendButtonImpression;
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKShareButtonImpression;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingButtonImpression;
 
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKSmartLoginService;
 
@@ -154,6 +174,7 @@ FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLikeButtonDidTap;
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLoginButtonDidTap;
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKSendButtonDidTap;
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKShareButtonDidTap;
+FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLiveStreamingButtonDidTap;
 
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLikeControlDidDisable;
 FBSDK_EXTERN NSString *const FBSDKAppEventNameFBSDKLikeControlDidLike;

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/Internal/ServerConfiguration/FBSDKServerConfiguration.h

@@ -66,6 +66,7 @@ implicitPurchaseLoggingEnabled:(BOOL)implicitPurchaseLoggingEnabled
             smartLoginOptions:(FBSDKServerConfigurationSmartLoginOptions)smartLoginOptions
     smartLoginBookmarkIconURL:(NSURL *)smartLoginBookmarkIconURL
         smartLoginMenuIconURL:(NSURL *)smartLoginMenuIconURL
+                updateMessage:(NSString *)updateMessage
 NS_DESIGNATED_INITIALIZER;
 
 @property (nonatomic, assign, readonly, getter=isAdvertisingIDEnabled) BOOL advertisingIDEnabled;
@@ -87,6 +88,7 @@ NS_DESIGNATED_INITIALIZER;
 @property (nonatomic, assign, readonly) FBSDKServerConfigurationSmartLoginOptions smartLoginOptions;
 @property (nonatomic, copy, readonly) NSURL *smartLoginBookmarkIconURL;
 @property (nonatomic, copy, readonly) NSURL *smartLoginMenuIconURL;
+@property (nonatomic, copy, readonly) NSString *updateMessage;
 @property (nonatomic, readonly) NSInteger version;
 
 - (FBSDKDialogConfiguration *)dialogConfigurationForDialogName:(NSString *)dialogName;

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/Internal/ServerConfiguration/FBSDKServerConfiguration.m

@@ -42,6 +42,7 @@
 #define FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_OPTIONS_KEY @"smartLoginEnabled"
 #define FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_BOOKMARK_ICON_URL_KEY @"smarstLoginBookmarkIconURL"
 #define FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_MENU_ICON_URL_KEY @"smarstLoginBookmarkMenuURL"
+#define FBSDK_SERVER_CONFIGURATION_UPDATE_MESSAGE_KEY @"SDKUpdateMessage"
 #define FBSDK_SERVER_CONFIGURATION_VERSION_KEY @"version"
 
 #pragma mark - Dialog Names
@@ -101,6 +102,7 @@ implicitPurchaseLoggingEnabled:(BOOL)implicitPurchaseLoggingEnabled
             smartLoginOptions:(FBSDKServerConfigurationSmartLoginOptions)smartLoginOptions
     smartLoginBookmarkIconURL:(NSURL *)smartLoginBookmarkIconURL
         smartLoginMenuIconURL:(NSURL *)smartLoginMenuIconURL
+                updateMessage:(NSString *)updateMessage
 {
   if ((self = [super init])) {
     _appID = [appID copy];
@@ -124,6 +126,7 @@ implicitPurchaseLoggingEnabled:(BOOL)implicitPurchaseLoggingEnabled
     _smartLoginOptions = smartLoginOptions;
     _smartLoginMenuIconURL = [smartLoginMenuIconURL copy];
     _smartLoginBookmarkIconURL = [smartLoginBookmarkIconURL copy];
+    _updateMessage = [updateMessage copy];
     _version = FBSDKServerConfigurationVersion;
   }
   return self;
@@ -205,6 +208,7 @@ implicitPurchaseLoggingEnabled:(BOOL)implicitPurchaseLoggingEnabled
   NSString *loggingToken = [decoder decodeObjectOfClass:[NSString class] forKey:FBSDK_SERVER_CONFIGURATION_LOGGING_TOKEN];
   NSURL *smartLoginBookmarkIconURL = [decoder decodeObjectOfClass:[NSURL class] forKey:FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_BOOKMARK_ICON_URL_KEY];
   NSURL *smartLoginMenuIconURL = [decoder decodeObjectOfClass:[NSURL class] forKey:FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_MENU_ICON_URL_KEY];
+  NSString *updateMessage = [decoder decodeObjectOfClass:[NSString class] forKey:FBSDK_SERVER_CONFIGURATION_UPDATE_MESSAGE_KEY];
   NSInteger version = [decoder decodeIntegerForKey:FBSDK_SERVER_CONFIGURATION_VERSION_KEY];
   FBSDKServerConfiguration *configuration = [self initWithAppID:appID
                                                         appName:appName
@@ -227,6 +231,7 @@ implicitPurchaseLoggingEnabled:(BOOL)implicitPurchaseLoggingEnabled
                                               smartLoginOptions:smartLoginOptions
                                       smartLoginBookmarkIconURL:smartLoginBookmarkIconURL
                                           smartLoginMenuIconURL:smartLoginMenuIconURL
+                                                  updateMessage:updateMessage
                                              ];
   configuration->_version = version;
   return configuration;
@@ -256,6 +261,7 @@ implicitPurchaseLoggingEnabled:(BOOL)implicitPurchaseLoggingEnabled
   [encoder encodeInteger:_smartLoginOptions forKey:FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_OPTIONS_KEY];
   [encoder encodeObject:_smartLoginBookmarkIconURL forKey:FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_BOOKMARK_ICON_URL_KEY];
   [encoder encodeObject:_smartLoginMenuIconURL forKey:FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_MENU_ICON_URL_KEY];
+  [encoder encodeObject:_updateMessage forKey:FBSDK_SERVER_CONFIGURATION_UPDATE_MESSAGE_KEY];
   [encoder encodeInteger:_version forKey:FBSDK_SERVER_CONFIGURATION_VERSION_KEY];
 }
 

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/Internal/ServerConfiguration/FBSDKServerConfigurationManager.m

@@ -50,6 +50,7 @@
 #define FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_OPTIONS_FIELD @"seamless_login"
 #define FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_BOOKMARK_ICON_URL_FIELD @"smart_login_bookmark_icon_url"
 #define FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_MENU_ICON_URL_FIELD @"smart_login_menu_icon_url"
+#define FBSDK_SERVER_CONFIGURATION_UPDATE_MESSAGE_FIELD @"sdk_update_message"
 
 @implementation FBSDKServerConfigurationManager
 
@@ -59,6 +60,7 @@ static FBSDKServerConfiguration *_serverConfiguration;
 static NSError *_serverConfigurationError;
 static NSDate *_serverConfigurationErrorTimestamp;
 static const NSTimeInterval kTimeout = 4.0;
+static BOOL _printedUpdateMessage;
 
 typedef NS_OPTIONS(NSUInteger, FBSDKServerConfigurationManagerAppEventsFeatures)
 {
@@ -191,6 +193,7 @@ typedef NS_OPTIONS(NSUInteger, FBSDKServerConfigurationManagerAppEventsFeatures)
   FBSDKServerConfigurationSmartLoginOptions smartLoginOptions = [FBSDKTypeUtility integerValue:resultDictionary[FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_OPTIONS_FIELD]];
   NSURL *smartLoginBookmarkIconURL = [FBSDKTypeUtility URLValue:resultDictionary[FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_BOOKMARK_ICON_URL_FIELD]];
   NSURL *smartLoginMenuIconURL = [FBSDKTypeUtility URLValue:resultDictionary[FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_MENU_ICON_URL_FIELD]];
+  NSString *updateMessage = [FBSDKTypeUtility stringValue:resultDictionary[FBSDK_SERVER_CONFIGURATION_UPDATE_MESSAGE_FIELD]];
   FBSDKServerConfiguration *serverConfiguration = [[FBSDKServerConfiguration alloc] initWithAppID:appID
                                                                                           appName:appName
                                                                               loginTooltipEnabled:loginTooltipEnabled
@@ -212,6 +215,7 @@ typedef NS_OPTIONS(NSUInteger, FBSDKServerConfigurationManagerAppEventsFeatures)
                                                                                 smartLoginOptions:smartLoginOptions
                                                                         smartLoginBookmarkIconURL:smartLoginBookmarkIconURL
                                                                             smartLoginMenuIconURL:smartLoginMenuIconURL
+                                                                                    updateMessage:updateMessage
                                                    ];
 #if TARGET_OS_TV
   // don't download icons more than once a day.
@@ -254,6 +258,9 @@ typedef NS_OPTIONS(NSUInteger, FBSDKServerConfigurationManagerAppEventsFeatures)
                       FBSDK_SERVER_CONFIGURATION_SYSTEM_AUTHENTICATION_ENABLED_FIELD,
                       FBSDK_SERVER_CONFIGURATION_SESSION_TIMEOUT_FIELD,
                       FBSDK_SERVER_CONFIGURATION_LOGGIN_TOKEN_FIELD
+#ifdef DEBUG
+                      ,FBSDK_SERVER_CONFIGURATION_UPDATE_MESSAGE_FIELD
+#endif
 #if TARGET_OS_TV
                       ,FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_OPTIONS_FIELD,
                       FBSDK_SERVER_CONFIGURATION_SMART_LOGIN_BOOKMARK_ICON_URL_FIELD,
@@ -313,6 +320,7 @@ typedef NS_OPTIONS(NSUInteger, FBSDKServerConfigurationManagerAppEventsFeatures)
                                                                 smartLoginOptions:FBSDKServerConfigurationSmartLoginOptionsUnknown
                                                         smartLoginBookmarkIconURL:nil
                                                             smartLoginMenuIconURL:nil
+                                                                    updateMessage:nil
                                    ];
   }
   return _defaultServerConfiguration;
@@ -342,6 +350,14 @@ typedef NS_OPTIONS(NSUInteger, FBSDKServerConfigurationManagerAppEventsFeatures)
       _serverConfiguration = serverConfiguration;
       _serverConfigurationError = nil;
       _serverConfigurationErrorTimestamp = nil;
+
+#ifdef DEBUG
+      NSString *updateMessage = _serverConfiguration.updateMessage;
+      if (updateMessage && [updateMessage length] > 0 && !_printedUpdateMessage) {
+        _printedUpdateMessage = YES;
+        NSLog(@"%@", updateMessage);
+      }
+#endif
     }
 
     // update the cached copy in NSUserDefaults

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/Internal/TokenCaching/FBSDKAccessTokenExpirer.h

@@ -0,0 +1,23 @@
+// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+//
+// You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
+// copy, modify, and distribute this software in source code or binary form for use
+// in connection with the web services and APIs provided by Facebook.
+//
+// As with any software that integrates with the Facebook platform, your use of
+// this software is subject to the Facebook Developer Principles and Policies
+// [http://developers.facebook.com/policy/]. This copyright notice shall be
+// included in all copies or substantial portions of the software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#import <Foundation/Foundation.h>
+
+@interface FBSDKAccessTokenExpirer : NSObject
+
+@end

Example/Pods/FBSDKCoreKit/FBSDKCoreKit/FBSDKCoreKit/Internal/TokenCaching/FBSDKAccessTokenExpirer.m

@@ -0,0 +1,71 @@
+// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
+//
+// You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
+// copy, modify, and distribute this software in source code or binary form for use
+// in connection with the web services and APIs provided by Facebook.
+//
+// As with any software that integrates with the Facebook platform, your use of
+// this software is subject to the Facebook Developer Principles and Policies
+// [http://developers.facebook.com/policy/]. This copyright notice shall be
+// included in all copies or substantial portions of the software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+#import "FBSDKAccessTokenExpirer.h"
+
+#import "FBSDKAccessToken.h"
+#import "FBSDKApplicationDelegate+Internal.h"
+#import "FBSDKInternalUtility.h"
+
+@implementation FBSDKAccessTokenExpirer
+{
+  NSTimer *_timer;
+}
+
+- (instancetype)init
+{
+  if (self = [super init]) {
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(_checkAccessTokenExpirationDate) name:FBSDKAccessTokenDidChangeNotification object:nil];
+    [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(_checkAccessTokenExpirationDate) name:FBSDKApplicationDidBecomeActiveNotification object:nil];
+    [self _checkAccessTokenExpirationDate];
+  }
+  return self;
+}
+
+- (void)dealloc
+{
+  [_timer invalidate];
+  _timer = nil;
+  [[NSNotificationCenter defaultCenter] removeObserver:self];
+}
+
+- (void)_checkAccessTokenExpirationDate
+{
+  [_timer invalidate];
+  _timer = nil;
+  FBSDKAccessToken *accessToken = FBSDKAccessToken.currentAccessToken;
+  if (accessToken == nil || accessToken.isExpired) {
+    return;
+  }
+  _timer = [NSTimer scheduledTimerWithTimeInterval:[accessToken.expirationDate timeIntervalSinceNow] target:self selector:@selector(_timerDidFire) userInfo:nil repeats:NO];
+}
+
+- (void)_timerDidFire
+{
+  FBSDKAccessToken *accessToken = FBSDKAccessToken.currentAccessToken;
+  NSMutableDictionary *userInfo = [NSMutableDictionary dictionary];
+  [FBSDKInternalUtility dictionary:userInfo setObject:accessToken forKey:FBSDKAccessTokenChangeNewKey];
+  [FBSDKInternalUtility dictionary:userInfo setObject:accessToken forKey:FBSDKAccessTokenChangeOldKey];
+  userInfo[FBSDKAccessTokenDidExpire] = @YES;
+
+  [[NSNotificationCenter defaultCenter] postNotificationName:FBSDKAccessTokenDidChangeNotification
+                                                      object:[FBSDKAccessToken class]
+                                                    userInfo:userInfo];
+}
+
+@end