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/*
* Copyright 2017 Google
*
* 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 "FRepoInfo.h"
#import "FConstants.h"
@interface FRepoInfo ()
@property (nonatomic, strong) NSString *domain;
@end
@implementation FRepoInfo
@synthesize namespace;
@synthesize host;
@synthesize internalHost;
@synthesize secure;
@synthesize domain;
- (id) initWithHost:(NSString*)aHost isSecure:(bool)isSecure withNamespace:(NSString*)aNamespace {
self = [super init];
if (self) {
host = aHost;
domain = [host substringFromIndex:[host rangeOfString:@"."].location+1];
secure = isSecure;
namespace = aNamespace;
// Get cached internal host if it exists
NSString* internalHostKey = [NSString stringWithFormat:@"firebase:host:%@", self.host];
NSString* cachedInternalHost = [[NSUserDefaults standardUserDefaults] stringForKey:internalHostKey];
if (cachedInternalHost != nil) {
internalHost = cachedInternalHost;
} else {
internalHost = self.host;
}
}
return self;
}
- (NSString *)description {
// The namespace is encoded in the hostname, so we can just return this.
return [NSString stringWithFormat:@"http%@://%@", (self.secure ? @"s" : @""), self.host];
}
- (void) setInternalHost:(NSString *)newHost {
if (![internalHost isEqualToString:newHost]) {
internalHost = newHost;
// Cache the internal host so we don't need to redirect later on
NSString* internalHostKey = [NSString stringWithFormat:@"firebase:host:%@", self.host];
NSUserDefaults* cache = [NSUserDefaults standardUserDefaults];
[cache setObject:internalHost forKey:internalHostKey];
[cache synchronize];
}
}
- (void) clearInternalHostCache {
internalHost = self.host;
// Remove the cached entry
NSString* internalHostKey = [NSString stringWithFormat:@"firebase:host:%@", self.host];
NSUserDefaults* cache = [NSUserDefaults standardUserDefaults];
[cache removeObjectForKey:internalHostKey];
[cache synchronize];
}
- (BOOL) isDemoHost {
return [self.domain isEqualToString:@"firebaseio-demo.com"];
}
- (BOOL) isCustomHost {
return ![self.domain isEqualToString:@"firebaseio-demo.com"] && ![self.domain isEqualToString:@"firebaseio.com"];
}
- (NSString *) connectionURL {
return [self connectionURLWithLastSessionID:nil];
}
- (NSString *) connectionURLWithLastSessionID:(NSString*)lastSessionID {
NSString *scheme;
if (self.secure) {
scheme = @"wss";
} else {
scheme = @"ws";
}
NSString *url = [NSString stringWithFormat:@"%@://%@/.ws?%@=%@&ns=%@",
scheme,
self.internalHost,
kWireProtocolVersionParam,
kWebsocketProtocolVersion,
self.namespace];
if (lastSessionID != nil) {
url = [NSString stringWithFormat:@"%@&ls=%@", url, lastSessionID];
}
return url;
}
- (id)copyWithZone:(NSZone *)zone; {
return self; // Immutable
}
- (NSUInteger)hash {
NSUInteger result = host.hash;
result = 31 * result + (secure ? 1 : 0);
result = 31 * result + namespace.hash;
result = 31 * result + host.hash;
return result;
}
- (BOOL)isEqual:(id)anObject {
if (![anObject isKindOfClass:[FRepoInfo class]]) return NO;
FRepoInfo *other = (FRepoInfo *)anObject;
return secure == other.secure && [host isEqualToString:other.host] &&
[namespace isEqualToString:other.namespace];
}
@end
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