forked from facebook/facebook-ios-sdk
/
Session.m
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/
Session.m
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/*
* Copyright 2010 Facebook
*
* 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.
*/
#import "Session.h"
#import "FBConnect.h"
@implementation Session
@synthesize facebook = _facebook,
uid = _uid;
- (id) init {
if (self = [super init]) {
_facebook = nil;
_uid = nil;
}
return self;
}
- (void) setSessionWithFacebook:(Facebook *)facebook andUid:(NSString *)uid {
_facebook = [facebook retain];
_uid = [uid retain];
}
- (Facebook *) getFacebook {
return _facebook;
}
- (NSString *) getUid {
return _uid;
}
- (void) save {
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
if ((_uid != (NSString *) [NSNull null]) && (_uid.length > 0)) {
[defaults setObject:_uid forKey:@"FBUserId"];
} else {
[defaults removeObjectForKey:@"FBUserId"];
}
NSString *access_token = _facebook.accessToken;
if ((access_token != (NSString *) [NSNull null]) && (access_token.length > 0)) {
[defaults setObject:access_token forKey:@"FBAccessToken"];
} else {
[defaults removeObjectForKey:@"FBAccessToken"];
}
NSDate *expirationDate = _facebook.expirationDate;
if (expirationDate) {
[defaults setObject:expirationDate forKey:@"FBSessionExpires"];
} else {
[defaults removeObjectForKey:@"FBSessionExpires"];
}
[defaults synchronize];
}
- (void) unsave {
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
[defaults removeObjectForKey:@"FBUserId"];
[defaults removeObjectForKey:@"FBAccessToken"];
[defaults removeObjectForKey:@"FBSessionExpires"];
[defaults synchronize];
}
- (id) restore {
NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];
NSString *uid = [defaults objectForKey:@"FBUserId"];
if (uid) {
NSDate* expirationDate = [defaults objectForKey:@"FBSessionExpires"];
if (!expirationDate || [expirationDate timeIntervalSinceNow] > 0) {
_uid = uid;
_facebook = [[[[Facebook alloc] init] retain] autorelease];
_facebook.accessToken = [[defaults stringForKey:@"FBAccessToken"] copy];
_facebook.expirationDate = [expirationDate retain];
return _facebook;
}
}
return nil;
}
@end