feat: allow SSO to create new users automatically

src/Ombi.Settings/Settings/Models/AuthenticationSettings.cs

@@ -15,5 +15,6 @@ namespace Ombi.Settings.Settings.Models
         public bool EnableOAuth { get; set; } // Plex OAuth
         public bool EnableHeaderAuth { get; set; } // Header SSO
         public string HeaderAuthVariable { get; set; } // Header SSO
+        public bool HeaderAuthCreateUser { get; set; } // Header SSO
     }
 }

src/Ombi/ClientApp/src/app/interfaces/ISettings.ts

@@ -245,6 +245,7 @@ export interface IAuthenticationSettings extends ISettings {
   enableOAuth: boolean;
   enableHeaderAuth: boolean;
   headerAuthVariable: string;
+  headerAuthCreateUser: boolean;
 }
 
 export interface ICustomPage extends ISettings {

src/Ombi/ClientApp/src/app/settings/authentication/authentication.component.html

@@ -32,6 +32,12 @@
         </div>
       </div>
 
+      <div class="form-group" *ngIf="form.controls.enableHeaderAuth.value">
+        <div class="checkbox">
+          <mat-slide-toggle id="headerAuthCreateUser" name="headerAuthCreateUser" formControlName="headerAuthCreateUser">SSO creates new users automatically</mat-slide-toggle>
+        </div>
+      </div>
+
 
       <div class="form-group">
         <div>

src/Ombi/ClientApp/src/app/settings/authentication/authentication.component.ts

@@ -28,6 +28,7 @@ export class AuthenticationComponent implements OnInit {
                 enableOAuth: [x.enableOAuth],
                 enableHeaderAuth: [x.enableHeaderAuth],
                 headerAuthVariable: [x.headerAuthVariable],
+                headerAuthCreateUser: [x.headerAuthCreateUser],
             });
             this.form.controls.enableHeaderAuth.valueChanges.subscribe(x => {
                 if (x) {

src/Ombi/Controllers/V1/TokenController.cs

@@ -305,7 +305,20 @@ namespace Ombi.Controllers.V1
                     var user = await _userManager.FindByNameAsync(username);
                     if (user == null)
                     {
-                        return new UnauthorizedResult();
+                        if (authSettings.HeaderAuthCreateUser)
+                        {
+                            user = new OmbiUser {
+                                UserName = username,
+                                UserType = UserType.LocalUser,
+                                StreamingCountry = "US",
+                            };
+
+                            await _userManager.CreateAsync(user);
+                        }
+                        else
+                        {
+                            return new UnauthorizedResult();
+                        }
                     }
 
                     return await CreateToken(true, user);