feat: Allow to customize URL for the OAuth2 authorization page

Sources/BoxSDK.swift

@@ -426,6 +426,7 @@ public extension BoxSDK {
     /// - Parameters:
     ///   - apiBaseURL: Base URL for majority of the requests.
     ///   - uploadApiBaseURL: Base URL for upload requests. If not specified, default URL is used.
+    ///   - oauth2AuthorizeURL: URL for the OAuth2 authorization page, where users are redirected to enter their credentials
     ///   - maxRetryAttempts: Maximum number of request retries in case of error result. If not specified, default value 5 is used.
     ///   - tokenRefreshThreshold: Specifies how many seconds before token expires it shuld be refreshed.
     ///     If not specified, default value 60 seconds is used.
@@ -435,6 +436,7 @@ public extension BoxSDK {
     func updateConfiguration(
         apiBaseURL: URL? = nil,
         uploadApiBaseURL: URL? = nil,
+        oauth2AuthorizeURL: URL? = nil,
         maxRetryAttempts: Int? = nil,
         tokenRefreshThreshold: TimeInterval? = nil,
         consoleLogDestination: ConsoleLogDestination? = nil,
@@ -446,6 +448,7 @@ public extension BoxSDK {
             clientSecret: configuration.clientSecret,
             apiBaseURL: apiBaseURL,
             uploadApiBaseURL: uploadApiBaseURL,
+            oauth2AuthorizeURL: oauth2AuthorizeURL,
             maxRetryAttempts: maxRetryAttempts,
             tokenRefreshThreshold: tokenRefreshThreshold,
             consoleLogDestination: consoleLogDestination,

Sources/Core/BoxSDKConfiguration.swift

@@ -71,6 +71,7 @@ public struct BoxSDKConfiguration {
     ///   - clientSecret: The client secret of the application requesting authentication.
     ///   - apiBaseURL: Base URL for majority of the requests.
     ///   - uploadApiBaseURL: Base URL for upload requests
+    ///   - oauth2AuthorizeURL: URL for the OAuth2 authorization page, where users are redirected to enter their credentials
     ///   - maxRetryAttempts: Base URL for file upload requests.
     ///   - tokenRefreshThreshold: Specifies how long before token expiration date it should be refreshed.
     ///   - retryBaseInterval: The base factor used in calculating exponential backoff delay for retries

Tests/BoxSDKSpecs.swift

@@ -55,13 +55,20 @@ class BoxSDKSpecs: QuickSpec {
 
                     expect(sdk.configuration.apiBaseURL).to(equal(BoxSDK.defaultConfiguration.apiBaseURL))
                     expect(sdk.configuration.uploadApiBaseURL).to(equal(BoxSDK.defaultConfiguration.uploadApiBaseURL))
+                    expect(sdk.configuration.oauth2AuthorizeURL).to(equal(BoxSDK.defaultConfiguration.oauth2AuthorizeURL))
+
+                    let apiBaseURL = "https://validapibaseurl.com"
+                    let uploadApiBaseURL = "https://validuploadapibaseurl.com"
+                    let oauth2AuthorizeURL = "https://validurl.com/oauth2/authorize"
 
                     expect { try sdk.updateConfiguration(
-                        apiBaseURL: URL(string: "https://validurl.com"),
-                        uploadApiBaseURL: URL(string: "https://validurl.com")
+                        apiBaseURL: URL(string: apiBaseURL),
+                        uploadApiBaseURL: URL(string: uploadApiBaseURL),
+                        oauth2AuthorizeURL: URL(string: oauth2AuthorizeURL)
                     ) }.toNot(throwError())
-                    expect(sdk.configuration.apiBaseURL).toNot(equal(BoxSDK.defaultConfiguration.apiBaseURL))
-                    expect(sdk.configuration.uploadApiBaseURL).toNot(equal(BoxSDK.defaultConfiguration.uploadApiBaseURL))
+                    expect(sdk.configuration.apiBaseURL).to(equal(URL(string: apiBaseURL)))
+                    expect(sdk.configuration.uploadApiBaseURL).to(equal(URL(string: uploadApiBaseURL)))
+                    expect(sdk.configuration.oauth2AuthorizeURL).to(equal(URL(string: oauth2AuthorizeURL)))
                 }
             }