[PM-5237] Clients, Self Hosted: Login - Hide "Create account" when registration disabled (#11811)

* Add server settings model and service.

* Inject ServerSettingsService into the login-secondary-content component.

* Fix merge conflict

* Add server settings to old views

* Remove server settings from desktop/mobile

* Cleanup unused code

* Remove changes to default config

* Conditionally show/hide HR element

* Add tests

* PM-5237 - Move ServerSettingsService to jslib-services.module so it is the same across all clients and to solve NullInjectorErrors on desktop & browser extension

* Remove change to v1 components

* Rename ServerSettingsService to DefaultServerSettingsService

* Remove unnecessary map call

* Remove server interface in favor of using ServerSettings class

* Add back HR element

---------

Co-authored-by: Jared Snider <jsnider@bitwarden.com>

libs/common/src/platform/models/data/server-config.data.spec.ts

@@ -16,6 +16,9 @@ describe("ServerConfigData", () => {
           name: "test",
           url: "https://test.com",
         },
+        settings: {
+          disableUserRegistration: false,
+        },
         environment: {
           cloudRegion: Region.EU,
           vault: "https://vault.com",

libs/common/src/platform/models/data/server-config.data.ts

@@ -2,6 +2,7 @@ import { Jsonify } from "type-fest";
 
 import { AllowedFeatureFlagTypes } from "../../../enums/feature-flag.enum";
 import { Region } from "../../abstractions/environment.service";
+import { ServerSettings } from "../domain/server-settings";
 import {
   ServerConfigResponse,
   ThirdPartyServerConfigResponse,
@@ -15,6 +16,7 @@ export class ServerConfigData {
   environment?: EnvironmentServerConfigData;
   utcDate: string;
   featureStates: { [key: string]: AllowedFeatureFlagTypes } = {};
+  settings: ServerSettings;
 
   constructor(serverConfigResponse: Partial<ServerConfigResponse>) {
     this.version = serverConfigResponse?.version;
@@ -27,6 +29,7 @@ export class ServerConfigData {
       ? new EnvironmentServerConfigData(serverConfigResponse.environment)
       : null;
     this.featureStates = serverConfigResponse?.featureStates;
+    this.settings = new ServerSettings(serverConfigResponse.settings);
   }
 
   static fromJSON(obj: Jsonify<ServerConfigData>): ServerConfigData {

libs/common/src/platform/models/domain/server-settings.spec.ts

@@ -0,0 +1,20 @@
+import { ServerSettings } from "./server-settings";
+
+describe("ServerSettings", () => {
+  describe("disableUserRegistration", () => {
+    it("defaults disableUserRegistration to false", () => {
+      const settings = new ServerSettings();
+      expect(settings.disableUserRegistration).toBe(false);
+    });
+
+    it("sets disableUserRegistration to true when provided", () => {
+      const settings = new ServerSettings({ disableUserRegistration: true });
+      expect(settings.disableUserRegistration).toBe(true);
+    });
+
+    it("sets disableUserRegistration to false when provided", () => {
+      const settings = new ServerSettings({ disableUserRegistration: false });
+      expect(settings.disableUserRegistration).toBe(false);
+    });
+  });
+});

libs/common/src/platform/models/domain/server-settings.ts

@@ -0,0 +1,7 @@
+export class ServerSettings {
+  disableUserRegistration: boolean;
+
+  constructor(data?: ServerSettings) {
+    this.disableUserRegistration = data?.disableUserRegistration ?? false;
+  }
+}

libs/common/src/platform/models/response/server-config.response.ts

@@ -1,6 +1,7 @@
 import { AllowedFeatureFlagTypes } from "../../../enums/feature-flag.enum";
 import { BaseResponse } from "../../../models/response/base.response";
 import { Region } from "../../abstractions/environment.service";
+import { ServerSettings } from "../domain/server-settings";
 
 export class ServerConfigResponse extends BaseResponse {
   version: string;
@@ -8,6 +9,7 @@ export class ServerConfigResponse extends BaseResponse {
   server: ThirdPartyServerConfigResponse;
   environment: EnvironmentServerConfigResponse;
   featureStates: { [key: string]: AllowedFeatureFlagTypes } = {};
+  settings: ServerSettings;
 
   constructor(response: any) {
     super(response);
@@ -21,6 +23,7 @@ export class ServerConfigResponse extends BaseResponse {
     this.server = new ThirdPartyServerConfigResponse(this.getResponseProperty("Server"));
     this.environment = new EnvironmentServerConfigResponse(this.getResponseProperty("Environment"));
     this.featureStates = this.getResponseProperty("FeatureStates");
+    this.settings = new ServerSettings(this.getResponseProperty("Settings"));
   }
 }