[SDK-2118] Added a method to set API URL

Branch-TestBed/Branch-SDK-Tests/BNCAPIServerTest.m

@@ -11,6 +11,7 @@
 #import "BNCSystemObserver.h"
 #import "BNCConfig.h"
 #import "BranchConstants.h"
+#import "Branch.h"
 
 @interface BNCAPIServerTest : XCTestCase
 
@@ -370,4 +371,42 @@ - (void)testValidationServiceURL_EUTracking {
     XCTAssertTrue([url hasPrefix:expectedUrlPrefix]);
 }
 
+- (void)testDefaultAPIURL {
+    BNCServerAPI *serverAPI = [BNCServerAPI new];
+    XCTAssertNil(serverAPI.customAPIURL);
+
+    NSString *storedUrl = [[BNCServerAPI sharedInstance] installServiceURL];
+    NSString *expectedUrl = [BNC_API_URL stringByAppendingString: @"/v1/install"];
+    XCTAssertEqualObjects(storedUrl, expectedUrl);
+}
+
+- (void)testSetAPIURL_Example {
+    NSString *url = @"https://www.example.com";
+    [Branch setAPIUrl:url];
+
+    NSString *storedUrl = [[BNCServerAPI sharedInstance] installServiceURL];
+    NSString *expectedUrl = [url stringByAppendingString: @"/v1/install"];
+    XCTAssertEqualObjects(storedUrl, expectedUrl);
+
+    [Branch setAPIUrl:BNC_API_URL];
+}
+
+- (void)testSetAPIURL_InvalidHttp {
+    NSString *url = @"Invalid://www.example.com";
+    [Branch setAPIUrl:url];
+
+    NSString *storedUrl = [[BNCServerAPI sharedInstance] installServiceURL];
+    NSString *expectedUrl = [BNC_API_URL stringByAppendingString: @"/v1/install"];
+    XCTAssertEqualObjects(storedUrl, expectedUrl);
+}
+
+- (void)testSetAPIURL_InvalidEmpty {
+    NSString *url = @"";
+    [Branch setAPIUrl:url];
+
+    NSString *storedUrl = [[BNCServerAPI sharedInstance] installServiceURL];
+    NSString *expectedUrl = [BNC_API_URL stringByAppendingString: @"/v1/install"];
+    XCTAssertEqualObjects(storedUrl, expectedUrl);
+}
+
 @end

Branch-TestBed/Branch-SDK-Tests/BNCPreferenceHelperTests.m

@@ -199,34 +199,6 @@ - (void)testURLSkipList {
     XCTAssert([filterDesc isEqualToString:valueDesc]);
 }
 
-- (void)testSetAPIURL_Example {
-
-    NSString *url = @"https://www.example.com/";
-    [self.prefHelper setBranchAPIURL:url] ;
-
-    NSString *urlStored = self.prefHelper.branchAPIURL ;
-    XCTAssert([url isEqualToString:urlStored]);
-}
-
-- (void)testSetAPIURL_InvalidHttp {
-
-    NSString *url = @"Invalid://www.example.com/";
-    [self.prefHelper setBranchAPIURL:url] ;
-
-    NSString *urlStored = self.prefHelper.branchAPIURL ;
-    XCTAssert(![url isEqualToString:urlStored]);
-    XCTAssert([urlStored isEqualToString:BNC_API_URL]);
-}
-
-- (void)testSetAPIURL_InvalidEmpty {
-
-    [self.prefHelper setBranchAPIURL:@""] ;
-
-    NSString *urlStored = self.prefHelper.branchAPIURL ;
-    XCTAssert(![urlStored isEqualToString:@""]);
-    XCTAssert([urlStored isEqualToString:BNC_API_URL]);
-}
-
 - (void)testSetCDNBaseURL_Example {
 
     NSString *url = @"https://www.example.com/";

Branch-TestBed/Branch-TestBed/AppDelegate.m

@@ -34,7 +34,10 @@
 
     // Branch.useTestBranchKey = YES;  // Make sure to comment this line out for production apps!!!
     Branch *branch = [Branch getInstance];
-
+
+    // Change the Branch base API URL
+    //[Branch setAPIUrl:@"https://api3.branch.io"];
+
     // test pre init support
     //[self testDispatchToIsolationQueue:branch]
 
@@ -137,7 +140,7 @@
     }
 }
 
 - (BOOL)application:(UIApplication *)application
             openURL:(NSURL *)url
   sourceApplication:(NSString *)sourceApplication
          annotation:(id)annotation {

BranchSDK/BNCPreferenceHelper.h

@@ -51,7 +51,6 @@ NSURL* /* _Nonnull */ BNCURLForBranchDirectory(void);
 @property (copy, nonatomic) NSString *lastSystemBuildVersion;
 @property (copy, nonatomic) NSString *browserUserAgentString;
 @property (copy, nonatomic) NSString *referringURL;
-@property (copy, nonatomic) NSString *branchAPIURL;
 @property (assign, nonatomic) BOOL limitFacebookTracking;
 @property (strong, nonatomic) NSDate *previousAppBuildDate;
 @property (assign, nonatomic, readwrite) BOOL disableAdNetworkCallouts;
@@ -77,7 +76,6 @@ NSURL* /* _Nonnull */ BNCURLForBranchDirectory(void);
 
 + (BNCPreferenceHelper *)sharedInstance;
 
-- (void)setBranchAPIURL:(NSString *)url;
 - (void)setPatternListURL:(NSString *)url;
 
 - (void)setRequestMetadataKey:(NSString *)key value:(NSObject *)value;

BranchSDK/BNCPreferenceHelper.m

@@ -26,7 +26,6 @@
 static NSString * const BRANCH_PREFS_KEY_LAST_RUN_BRANCH_KEY = @"bnc_last_run_branch_key";
 static NSString * const BRANCH_PREFS_KEY_LAST_STRONG_MATCH_DATE = @"bnc_strong_match_created_date";
 
-static NSString * const BRANCH_PREFS_KEY_API_URL = @"bnc_api_url";
 static NSString * const BRANCH_PREFS_KEY_PATTERN_LIST_URL = @"bnc_pattern_list_url";
 
 static NSString * const BRANCH_PREFS_KEY_RANDOMIZED_DEVICE_TOKEN = @"bnc_randomized_device_token";
@@ -68,7 +67,6 @@ @interface BNCPreferenceHelper () {
     NSOperationQueue *_persistPrefsQueue;
     NSString         *_lastSystemBuildVersion;
     NSString         *_browserUserAgentString;
-    NSString         *_branchAPIURL;
     NSString         *_referringURL;
 }
 
@@ -156,34 +154,6 @@ - (void) dealloc {
 
 #pragma mark - API methods
 
-- (void)setBranchAPIURL:(NSString *)url {
-    if ([url hasPrefix:@"http://"] || [url hasPrefix:@"https://"] ){
-        @synchronized (self) {
-            _branchAPIURL = [url copy];
-            [self writeObjectToDefaults:BRANCH_PREFS_KEY_API_URL value:_branchAPIURL];
-        }
-    } else {
-        BNCLogWarning(@"Ignoring invalid custom API URL");
-    }
-}
-
-// TODO: This method is not used with the Tracking domain change. See SDK-2118
-- (NSString *)branchAPIURL {
-    @synchronized (self) {
-        if (!_branchAPIURL) {
-            _branchAPIURL = [self readStringFromDefaults:BRANCH_PREFS_KEY_API_URL];
-        }
-
-        // return the default URL in the event there's nothing in storage
-        if (_branchAPIURL == nil || [_branchAPIURL isEqualToString:@""]) {
-            _branchAPIURL = [BNC_API_URL copy];
-            [self writeObjectToDefaults:BRANCH_PREFS_KEY_API_URL value:_branchAPIURL];
-        }
-
-        return _branchAPIURL;
-    }
-}
-
 - (void)setPatternListURL:(NSString *)url {
     if ([url hasPrefix:@"http://"] || [url hasPrefix:@"https://"] ){
         @synchronized (self) {

BranchSDK/BNCServerAPI.h

@@ -33,6 +33,8 @@ NS_ASSUME_NONNULL_BEGIN
 // Used to enable unit tests without regard for ATT authorization status
 @property (nonatomic, assign, readwrite) BOOL automaticallyEnableTrackingDomain;
 
+@property (nonatomic, copy, readwrite, nullable) NSString *customAPIURL;
+
 @end
 
 NS_ASSUME_NONNULL_END

BranchSDK/BNCServerAPI.m

@@ -9,6 +9,7 @@
 #import "BNCSystemObserver.h"
 #import "BNCConfig.h"
 #import "BranchConstants.h"
+#import "BNCPreferenceHelper.h"
 
 @implementation BNCServerAPI
 
@@ -29,6 +30,7 @@ - (instancetype)init {
         self.useTrackingDomain = NO;
         self.useEUServers = NO;
         self.automaticallyEnableTrackingDomain = YES;
+        self.customAPIURL = nil;
     }
     return self;
 }
@@ -77,6 +79,10 @@ - (BOOL)optedIntoIDFA {
 
 // Linking endpoints are not used for Ads tracking
 - (NSString *)getBaseURLForLinkingEndpoints {
+    if (self.customAPIURL) {
+        return self.customAPIURL;
+    }
+
     NSString * urlString;
     if (self.useEUServers){
         urlString = BNC_EU_API_URL;
@@ -88,6 +94,11 @@ - (NSString *)getBaseURLForLinkingEndpoints {
 }
 
 - (NSString *)getBaseURL {
+    //Check if user has set a custom API base URL
+    if (self.customAPIURL) {
+        return self.customAPIURL;
+    }
+
     if (self.automaticallyEnableTrackingDomain) {
         self.useTrackingDomain = [self optedIntoIDFA];
     }

BranchSDK/Branch.h

@@ -575,6 +575,12 @@ extern NSString * __nonnull const BNCSpotlightFeature;
  */
 - (void)useEUEndpoints;
 
+/**
+Sets a custom base URL for all calls to the Branch API.
+@param url  Base URL that the Branch API will use.
+*/
++ (void)setAPIUrl:(NSString *)url;
+
 /**
  setDebug is deprecated and all functionality has been disabled.
 

BranchSDK/Branch.m

@@ -426,6 +426,14 @@ - (void)useEUEndpoints {
     [BNCServerAPI sharedInstance].useEUServers = YES;
 }
 
++ (void)setAPIUrl:(NSString *)url {
+    if ([url hasPrefix:@"http://"] || [url hasPrefix:@"https://"] ){
+        [BNCServerAPI sharedInstance].customAPIURL = url;
+    } else {
+        BNCLogWarning(@"Ignoring invalid custom API URL");
+    }
+}
+
 - (void)setDebug {
     NSLog(@"Branch setDebug is deprecated and all functionality has been disabled. "
           "If you wish to enable logging, please invoke enableLogging. "

BranchSDK/BranchPluginSupport.h

@@ -14,12 +14,6 @@ NS_ASSUME_NONNULL_BEGIN
 
 + (BranchPluginSupport *)instance;
 
-/**
-Sets a custom base URL for all calls to the Branch API.
-@param url  Base URL that the Branch API will use.
-*/
-+ (void)setAPIUrl:(NSString *)url;
-
 /**
 Sets a custom CDN base URL.
 @param url Base URL for CDN endpoints.

BranchSDK/BranchPluginSupport.m

@@ -54,12 +54,6 @@ + (BranchPluginSupport *)instance {
 
 #pragma mark - Server URL methods
 
-// With the change to support Apple's tracking domain feature, this API no longer works. See SDK-2118
-// Overrides base API URL
-+ (void)setAPIUrl:(NSString *)url {
-    [[BNCPreferenceHelper sharedInstance] setBranchAPIURL:url];
-}
-
 // Overrides base CDN URL
 + (void)setCDNBaseUrl:(NSString *)url {
     [[BNCPreferenceHelper sharedInstance] setPatternListURL:url];