internal change

internal/platform/implementation/BUILD

@@ -13,6 +13,30 @@
 # limitations under the License.
 licenses(["notice"])
 
+cc_library(
+    name = "auth_status",
+    hdrs = ["auth_status.h"],
+    visibility = [
+        "//internal/auth:__pkg__",
+        "//internal/platform/implementation:__subpackages__",
+        "//internal/test:__subpackages__",
+        "//sharing:__subpackages__",
+    ],
+)
+
+cc_library(
+    name = "account_info",
+    hdrs = ["account_info.h"],
+    visibility = [
+        "//internal/account:__pkg__",
+        "//internal/auth:__pkg__",
+        "//internal/platform/implementation:__subpackages__",
+        "//internal/test:__subpackages__",
+        "//location/nearby/cpp/sharing/clients/cpp:__subpackages__",
+        "//sharing:__subpackages__",
+    ],
+)
+
 cc_library(
     name = "account_manager",
     hdrs = ["account_manager.h"],
@@ -26,12 +50,33 @@ cc_library(
         "//sharing:__subpackages__",
     ],
     deps = [
+        ":account_info",
+        ":signin_attempt",
         "@com_google_absl//absl/functional:any_invocable",
         "@com_google_absl//absl/status",
         "@com_google_absl//absl/strings:string_view",
     ],
 )
 
+cc_library(
+    name = "signin_attempt",
+    hdrs = ["signin_attempt.h"],
+    visibility = [
+        "//internal/account:__pkg__",
+        "//internal/auth:__pkg__",
+        "//internal/platform/implementation:__subpackages__",
+        "//internal/test:__subpackages__",
+        "//location/nearby/cpp/sharing/clients/cpp:__subpackages__",
+        "//sharing:__subpackages__",
+    ],
+    deps = [
+        ":account_info",
+        ":auth_status",
+        "@com_google_absl//absl/functional:any_invocable",
+        "@com_google_absl//absl/strings:string_view",
+    ],
+)
+
 cc_library(
     name = "types",
     hdrs = [

internal/platform/implementation/account_info.h

@@ -0,0 +1,35 @@
+// Copyright 2024 Google LLC
+//
+// 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
+//
+//     https://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.
+
+#ifndef THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_ACCOUNT_INFO_H_
+#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_ACCOUNT_INFO_H_
+
+#include <string>
+
+namespace nearby {
+
+// Describes a Nearby account. The account class will have more properties
+// and methods in the future based on the new feature added.
+struct AccountInfo {
+  std::string id;  // The unique identify of the account.
+  std::string display_name;
+  std::string family_name;
+  std::string given_name;
+  std::string picture_url;
+  std::string email;
+};
+
+}  // namespace nearby
+
+#endif  // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_ACCOUNT_INFO_H_

internal/platform/implementation/account_manager.h

@@ -15,30 +15,24 @@
 #ifndef PLATFORM_API_ACCOUNT_MANAGER_H_
 #define PLATFORM_API_ACCOUNT_MANAGER_H_
 
+#include <memory>
 #include <optional>
 #include <string>
 #include <utility>
 
 #include "absl/functional/any_invocable.h"
 #include "absl/status/status.h"
 #include "absl/strings/string_view.h"
+#include "internal/platform/implementation/account_info.h"
+#include "internal/platform/implementation/signin_attempt.h"
 
 namespace nearby {
 
 // AccountManager manages the accounts are used to access Nearby backend.
 // In current design, AccountManager only support one active account.
 class AccountManager {
  public:
-  // Describes a Nearby account. The account class will have more properties
-  // and methods in the future based on the new feature added.
-  struct Account {
-    std::string id;  // The unique identify of the account.
-    std::string display_name;
-    std::string family_name;
-    std::string given_name;
-    std::string picture_url;
-    std::string email;
-  };
+  using Account = AccountInfo;
 
   // Observes the activity of the account manager.
   class Observer {
@@ -56,24 +50,13 @@ class AccountManager {
   // Gets current active account. If no login user, return std::nullopt.
   virtual std::optional<Account> GetCurrentAccount() = 0;
 
-  // Initializes the login process for a Google account from 1P client.
-  // |login_success_callback| is called when the login succeeded. Account
-  // information is passed to callback.
-  // |login_failure_callback| is called when the login fails.
-  virtual void Login(
-      absl::AnyInvocable<void(Account)> login_success_callback,
-      absl::AnyInvocable<void(absl::Status)> login_failure_callback) = 0;
-
   // Initializes the login process for a Google account from an oauth client.
   // |client_id| GCP client_id of the client
   // |client_secret| GCP client_secret of the client
-  // |login_success_callback| is called when the login succeeded. Account
-  // information is passed to callback.
-  // |login_failure_callback| is called when the login fails.
-  virtual void Login(
-      absl::string_view client_id, absl::string_view client_secret,
-      absl::AnyInvocable<void(Account)> login_success_callback,
-      absl::AnyInvocable<void(absl::Status)> login_failure_callback) = 0;
+  // Returns a SigninAttempt object that can be used to complete the login
+  // process.
+  virtual std::unique_ptr<SigninAttempt> Login(
+      absl::string_view client_id, absl::string_view client_secret) = 0;
 
   // Logs out current active account. |logout_callback| is called when logout is
   // completed.
@@ -97,6 +80,10 @@ class AccountManager {
 
   virtual void AddObserver(Observer* observer) = 0;
   virtual void RemoveObserver(Observer* observer) = 0;
+
+  virtual void SaveAccountPrefs(absl::string_view user_id,
+                                absl::string_view client_id,
+                                absl::string_view client_secret) = 0;
 };
 
 }  // namespace nearby

internal/platform/implementation/auth_status.h

@@ -0,0 +1,84 @@
+// Copyright 2024 Google LLC
+//
+// 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
+//
+//     https://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.
+
+#ifndef THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_AUTH_STATUS_H_
+#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_AUTH_STATUS_H_
+
+namespace nearby {
+
+enum AuthStatus {
+  AUTH_STATUS_UNSPECIFIED = 0,
+  // Request completed successfully, the results should be in the correct order
+  // up to the given count.
+  SUCCESS = 1,
+
+  // Request encountered a generic error.
+  GENERIC_ERROR = 2,
+
+  // Request as specified is not supported.
+  UNSUPPORTED = 3,
+
+  // Request failed and should be retried soon.
+  TEMPORARILY_UNAVAILABLE = 4,
+
+  // Request failed due to an unavailable resource.
+  UNAVAILABLE_RESOURCE = 5,
+
+  // The request failed due to an invalid argument.
+  INVALID_ARGUMENT = 6,
+
+  // In case the status could not be retrieved.
+  UNKNOWN_STATUS = 7,
+
+  // Currently used as a way to signal an ETag mismatch.
+  PRECONDITION_FAILED = 8,
+
+  // The operation failed due to insufficient permissions.
+  PERMISSION_DENIED = 9,
+
+  // The resource exists, but the requested attribute of it does not.
+  MISSING_ATTRIBUTE = 10,
+
+  // The method was interrupted and the caller should exit the current unit of
+  // work immediately.
+  INTERRUPTED = 11,
+
+  // User signed in with an unexpected account.
+  SIGNED_IN_WITH_WRONG_ACCOUNT = 12,
+
+  // Used when data cannot be parsed properly.
+  PARSE_ERROR = 13,
+
+  // Used to report that the local HTTP server for receiving the authorization
+  // code cannot be created.
+  CANT_CREATE_AUTH_SERVER = 14,
+
+  // Used to report that the system browser for authenticating the user cannot
+  // be open.
+  CANT_OPEN_BROWSER_FOR_AUTH = 15,
+
+  // Used to report that the authorization code cannot be received.
+  CANT_RECEIVE_AUTH_CODE = 16,
+
+  // Used to report that the account is blocked (e.g. CAA).
+  ACCOUNT_BLOCKED = 17,
+
+  // Receiving the authorization code failed because it took longer than the
+  // timeout.
+  AUTH_CODE_TIMEOUT_EXCEEDED = 18,
+};
+
+}  // namespace nearby
+
+#endif  // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_AUTH_STATUS_H_

internal/platform/implementation/signin_attempt.h

@@ -0,0 +1,45 @@
+// Copyright 2024 Google LLC
+//
+// 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
+//
+//     https://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.
+
+#ifndef THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_SIGNIN_ATTEMPT_H_
+#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_SIGNIN_ATTEMPT_H_
+
+#include <string>
+
+#include "absl/functional/any_invocable.h"
+#include "internal/platform/implementation/account_info.h"
+#include "internal/platform/implementation/auth_status.h"
+
+namespace nearby {
+
+class SigninAttempt {
+ public:
+  SigninAttempt() = default;
+  virtual ~SigninAttempt() = default;
+
+  // Starts a new sign-in attempt.
+  // `callback` is called with the status of the request and the user_id if the
+  // request is successful.
+  // Returns the auth url if the request is successful.
+  virtual std::string Start(
+      absl::AnyInvocable<void(AuthStatus, const AccountInfo&)> callback) = 0;
+
+  // Tears down the machinery set up to request auth tokens, including the HTTP
+  // server.
+  virtual void Close() = 0;
+};
+
+}  // namespace nearby
+
+#endif  // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_SIGNIN_ATTEMPT_H_

internal/test/BUILD

@@ -24,6 +24,7 @@ cc_library(
     visibility = ["//visibility:public"],
     deps = [
         "//internal/platform/implementation:account_manager",
+        "//internal/platform/implementation:signin_attempt",
         "@com_google_absl//absl/functional:any_invocable",
         "@com_google_absl//absl/status",
         "@com_google_absl//absl/strings:string_view",
@@ -60,6 +61,7 @@ cc_library(
         "//internal/platform:comm",
         "//internal/platform:types",
         "//internal/platform/implementation:account_manager",
+        "//internal/platform/implementation:signin_attempt",
         "//internal/platform/implementation:types",
         "@com_google_absl//absl/base:core_headers",
         "@com_google_absl//absl/container:flat_hash_map",