Let users manually specify the domain fronting country.

// FREEBIE

src/Network/OWSCensorshipConfiguration.h

@@ -1,5 +1,6 @@
-// Created by Michael Kirk on 12/20/16.
-// Copyright © 2016 Open Whisper Systems. All rights reserved.
+//
+//  Copyright (c) 2017 Open Whisper Systems. All rights reserved.
+//
 
 NS_ASSUME_NONNULL_BEGIN
 
@@ -7,9 +8,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface OWSCensorshipConfiguration : NSObject
 
-- (NSString *)frontingHost:(NSString *)e164PhonNumber;
+- (NSString *)frontingHost:(NSString *)e164PhoneNumber;
 - (NSString *)reflectorHost;
-- (BOOL)isCensoredPhoneNumber:(NSString *)e164PhonNumber;
+- (BOOL)isCensoredPhoneNumber:(NSString *)e164PhoneNumber;
 
 @end
 

src/Network/OWSCensorshipConfiguration.m

@@ -11,13 +11,13 @@ NSString *const OWSCensorshipConfigurationReflectorHost = @"signal-reflector-mee
 
 @implementation OWSCensorshipConfiguration
 
-- (NSString *)frontingHost:(NSString *)e164PhonNumber
+- (NSString *)frontingHost:(NSString *)e164PhoneNumber
 {
-    OWSAssert(e164PhonNumber.length > 0);
-    
+    OWSAssert(e164PhoneNumber.length > 0);
+
     NSString *domain = nil;
     for (NSString *countryCode in self.censoredCountryCodes) {
-        if ([e164PhonNumber hasPrefix:countryCode]) {
+        if ([e164PhoneNumber hasPrefix:countryCode]) {
             domain = self.censoredCountryCodes[countryCode];
         }
     }
@@ -60,10 +60,10 @@ NSString *const OWSCensorshipConfigurationReflectorHost = @"signal-reflector-mee
              };
 }
 
-- (BOOL)isCensoredPhoneNumber:(NSString *)e164PhonNumber
+- (BOOL)isCensoredPhoneNumber:(NSString *)e164PhoneNumber
 {
     for (NSString *countryCode in self.censoredCountryCodes) {
-        if ([e164PhonNumber hasPrefix:countryCode]) {
+        if ([e164PhoneNumber hasPrefix:countryCode]) {
             return YES;
         }
     }

src/Network/OWSSignalService.h

@@ -25,6 +25,14 @@ extern NSString *const kNSNotificationName_IsCensorshipCircumventionActiveDidCha
 - (BOOL)isCensorshipCircumventionManuallyActivated;
 - (void)setIsCensorshipCircumventionManuallyActivated:(BOOL)value;
 
+#pragma mark - Censorship Circumvention Domain
+
+- (NSString *)manualCensorshipCircumventionDomain;
+- (void)setManualCensorshipCircumventionDomain:(NSString *)value;
+
+- (NSString *)manualCensorshipCircumventionCountryCode;
+- (void)setManualCensorshipCircumventionCountryCode:(NSString *)value;
+
 @end
 
 NS_ASSUME_NONNULL_END

src/Network/OWSSignalService.m

@@ -4,16 +4,23 @@
 
 #import <AFNetworking/AFHTTPSessionManager.h>
 
-#import "OWSSignalService.h"
 #import "OWSCensorshipConfiguration.h"
 #import "OWSHTTPSecurityPolicy.h"
-#import "TSConstants.h"
+#import "OWSSignalService.h"
 #import "TSAccountManager.h"
+#import "TSConstants.h"
+#import "TSStorageManager.h"
 
 NS_ASSUME_NONNULL_BEGIN
 
-NSString *const kNSUserDefaults_isCensorshipCircumventionManuallyActivated =
-    @"kNSUserDefaults_isCensorshipCircumventionManuallyActivated";
+NSString *const kTSStorageManager_OWSSignalService = @"kTSStorageManager_OWSSignalService";
+NSString *const kTSStorageManager_isCensorshipCircumventionManuallyActivated =
+    @"kTSStorageManager_isCensorshipCircumventionManuallyActivated";
+NSString *const kTSStorageManager_ManualCensorshipCircumventionDomain =
+    @"kTSStorageManager_ManualCensorshipCircumventionDomain";
+NSString *const kTSStorageManager_ManualCensorshipCircumventionCountryCode =
+    @"kTSStorageManager_ManualCensorshipCircumventionCountryCode";
+
 NSString *const kNSNotificationName_IsCensorshipCircumventionActiveDidChange =
     @"kNSNotificationName_IsCensorshipCircumventionActiveDidChange";
 
@@ -97,19 +104,17 @@ NSString *const kNSNotificationName_IsCensorshipCircumventionActiveDidChange =
 
 - (BOOL)isCensorshipCircumventionManuallyActivated
 {
-    OWSAssert([NSThread isMainThread]);
-
-    return [[NSUserDefaults.standardUserDefaults
-        objectForKey:kNSUserDefaults_isCensorshipCircumventionManuallyActivated] boolValue];
+    return [[TSStorageManager sharedManager] boolForKey:kTSStorageManager_isCensorshipCircumventionManuallyActivated
+                                           inCollection:kTSStorageManager_OWSSignalService];
 }
 
 - (void)setIsCensorshipCircumventionManuallyActivated:(BOOL)value
 {
     OWSAssert([NSThread isMainThread]);
 
-    [NSUserDefaults.standardUserDefaults setObject:@(value)
-                                            forKey:kNSUserDefaults_isCensorshipCircumventionManuallyActivated];
-    [NSUserDefaults.standardUserDefaults synchronize];
+    [[TSStorageManager sharedManager] setObject:@(value)
+                                         forKey:kTSStorageManager_isCensorshipCircumventionManuallyActivated
+                                   inCollection:kTSStorageManager_OWSSignalService];
 
     [self updateIsCensorshipCircumventionActive];
 }
@@ -180,6 +185,11 @@ NSString *const kNSNotificationName_IsCensorshipCircumventionActiveDidChange =
     OWSAssert(localNumber.length > 0);
 
     // Target fronting domain
+    OWSAssert(self.isCensorshipCircumventionActive);
+    NSString *frontingHost = [self.censorshipConfiguration frontingHost:localNumber];
+    if (self.isCensorshipCircumventionManuallyActivated && self.manualCensorshipCircumventionDomain.length > 0) {
+        frontingHost = self.manualCensorshipCircumventionDomain;
+    };
     NSURL *baseURL = [[NSURL alloc] initWithString:[self.censorshipConfiguration frontingHost:localNumber]];
     NSURLSessionConfiguration *sessionConf = NSURLSessionConfiguration.ephemeralSessionConfiguration;
     AFHTTPSessionManager *sessionManager =
@@ -247,6 +257,40 @@ NSString *const kNSNotificationName_IsCensorshipCircumventionActiveDidChange =
     });
 }
 
+#pragma mark - Manual Censorship Circumvention
+
+- (NSString *)manualCensorshipCircumventionDomain
+{
+    return [[TSStorageManager sharedManager] objectForKey:kTSStorageManager_ManualCensorshipCircumventionDomain
+                                             inCollection:kTSStorageManager_OWSSignalService];
+}
+
+- (void)setManualCensorshipCircumventionDomain:(NSString *)value
+{
+    OWSAssert([NSThread isMainThread]);
+
+    [[TSStorageManager sharedManager] setObject:value
+                                         forKey:kTSStorageManager_ManualCensorshipCircumventionDomain
+                                   inCollection:kTSStorageManager_OWSSignalService];
+}
+
+- (NSString *)manualCensorshipCircumventionCountryCode
+{
+    OWSAssert([NSThread isMainThread]);
+
+    return [[TSStorageManager sharedManager] objectForKey:kTSStorageManager_ManualCensorshipCircumventionCountryCode
+                                             inCollection:kTSStorageManager_OWSSignalService];
+}
+
+- (void)setManualCensorshipCircumventionCountryCode:(NSString *)value
+{
+    OWSAssert([NSThread isMainThread]);
+
+    [[TSStorageManager sharedManager] setObject:value
+                                         forKey:kTSStorageManager_ManualCensorshipCircumventionCountryCode
+                                   inCollection:kTSStorageManager_OWSSignalService];
+}
+
 #pragma mark - Logging
 
 + (NSString *)tag