3 files changed, 101 insertions, 33 deletions

diff --git a/client/src/app/login/login.component.html b/client/src/app/login/login.component.html
index 3e53e5854..b0639d8ca 100644
--- a/client/src/app/login/login.component.html
+++ b/client/src/app/login/login.component.html
@@ -23,40 +23,54 @@
       <span *ngIf="error === 'User email is not verified.'"> <a i18n routerLink="/verify-account/ask-send-email">Request new verification email.</a></span>
     </div>
 
-    <form role="form" (ngSubmit)="login()" [formGroup]="form">
-      <div class="form-group">
-        <div>
-          <label i18n for="username">User</label>
-          <input
-            type="text" id="username" i18n-placeholder placeholder="Username or email address" required tabindex="1"
-            formControlName="username" class="form-control" [ngClass]="{ 'input-error': formErrors['username'] }" #emailInput
-          >
-          <a i18n *ngIf="signupAllowed === true" routerLink="/signup" class="create-an-account">
-            or create an account
-          </a>
+    <div class="login-form-and-externals">
+
+      <form role="form" (ngSubmit)="login()" [formGroup]="form">
+        <div class="form-group">
+          <div>
+            <label i18n for="username">User</label>
+            <input
+              type="text" id="username" i18n-placeholder placeholder="Username or email address" required tabindex="1"
+              formControlName="username" class="form-control" [ngClass]="{ 'input-error': formErrors['username'] }" #usernameInput
+            >
+            <a i18n *ngIf="signupAllowed === true" routerLink="/signup" class="create-an-account">
+              or create an account
+            </a>
+          </div>
+
+          <div *ngIf="formErrors.username" class="form-error">
+            {{ formErrors.username }}
+          </div>
         </div>
 
-        <div *ngIf="formErrors.username" class="form-error">
-          {{ formErrors.username }}
+        <div class="form-group">
+          <label i18n for="password">Password</label>
+          <div>
+            <input
+              type="password" name="password" id="password" i18n-placeholder placeholder="Password" required tabindex="2" autocomplete="current-password"
+              formControlName="password" class="form-control" [ngClass]="{ 'input-error': formErrors['password'] }"
+            >
+            <a i18n-title class="forgot-password-button" (click)="openForgotPasswordModal()" title="Click here to reset your password">I forgot my password</a>
+          </div>
+          <div *ngIf="formErrors.password" class="form-error">
+            {{ formErrors.password }}
+          </div>
         </div>
-      </div>
 
-      <div class="form-group">
-        <label i18n for="password">Password</label>
-        <div>
-          <input
-            type="password" name="password" id="password" i18n-placeholder placeholder="Password" required tabindex="2" autocomplete="current-password"
-            formControlName="password" class="form-control" [ngClass]="{ 'input-error': formErrors['password'] }"
-          >
-          <a i18n-title class="forgot-password-button" (click)="openForgotPasswordModal()" title="Click here to reset your password">I forgot my password</a>
-        </div>
-        <div *ngIf="formErrors.password" class="form-error">
-          {{ formErrors.password }}
+        <input type="submit" i18n-value value="Login" [disabled]="!form.valid">
+      </form>
+
+      <div class="external-login-blocks" *ngIf="getExternalLogins().length !== 0">
+        <div class="block-title" i18n>Or sign in with</div>
+
+        <div class="external-login-block">
+          <a *ngFor="let auth of getExternalLogins()" [href]="getAuthHref(auth)" role="button">
+            {{ auth.authDisplayName }}
+          </a>
         </div>
       </div>
+    </div>
 
-      <input type="submit" i18n-value value="Login" [disabled]="!form.valid">
-    </form>
   </ng-container>
 </div>
 
diff --git a/client/src/app/login/login.component.scss b/client/src/app/login/login.component.scss
index 8ac231475..ccc98c12a 100644
--- a/client/src/app/login/login.component.scss
+++ b/client/src/app/login/login.component.scss
@@ -21,9 +21,49 @@ input[type=submit] {
   color: var(--mainForegroundColor);
   cursor: pointer;
   transition: opacity cubic-bezier(0.39, 0.575, 0.565, 1);
-  
+
   &:hover {
     text-decoration: none !important;
     opacity: .7 !important;
   }
 }
+
+.login-form-and-externals {
+  display: flex;
+  flex-wrap: wrap;
+  font-size: 15px;
+
+  form {
+    margin: 0 50px 20px 0;
+  }
+
+  .external-login-blocks {
+    padding: 0 10px 10px 10px;
+    min-width: 200px;
+
+    .block-title {
+      font-weight: $font-semibold;
+    }
+
+    .external-login-block {
+      cursor: pointer;
+      border: 1px solid #d1d7e0;
+      border-radius: 5px;
+      margin: 10px 10px 0 0;
+      display: flex;
+      justify-content: center;
+      align-items: center;
+      min-height: 35px;
+      min-width: 100px;
+
+      &:hover {
+        background-color: rgba(209, 215, 224, 0.5)
+      }
+
+      a {
+        @include disable-default-a-behaviour;
+        color: var(--mainForegroundColor);
+      }
+    }
+  }
+}
diff --git a/client/src/app/login/login.component.ts b/client/src/app/login/login.component.ts
index 9c8f5c52e..5db8d3dbb 100644
--- a/client/src/app/login/login.component.ts
+++ b/client/src/app/login/login.component.ts
@@ -1,4 +1,4 @@
-import { Component, ElementRef, OnInit, ViewChild } from '@angular/core'
+import { Component, ElementRef, OnInit, ViewChild, AfterViewInit } from '@angular/core'
 import { Notifier, RedirectService } from '@app/core'
 import { UserService } from '@app/shared'
 import { AuthService } from '../core'
@@ -8,7 +8,8 @@ import { FormValidatorService } from '@app/shared/forms/form-validators/form-val
 import { LoginValidatorsService } from '@app/shared/forms/form-validators/login-validators.service'
 import { NgbModal, NgbModalRef } from '@ng-bootstrap/ng-bootstrap'
 import { ActivatedRoute } from '@angular/router'
-import { ServerConfig } from '@shared/models/server/server-config.model'
+import { ServerConfig, RegisteredExternalAuthConfig } from '@shared/models/server/server-config.model'
+import { environment } from 'src/environments/environment'
 
 @Component({
   selector: 'my-login',
@@ -16,13 +17,14 @@ import { ServerConfig } from '@shared/models/server/server-config.model'
   styleUrls: [ './login.component.scss' ]
 })
 
-export class LoginComponent extends FormReactive implements OnInit {
-  @ViewChild('emailInput', { static: true }) input: ElementRef
+export class LoginComponent extends FormReactive implements OnInit, AfterViewInit {
+  @ViewChild('usernameInput', { static: false }) usernameInput: ElementRef
   @ViewChild('forgotPasswordModal', { static: true }) forgotPasswordModal: ElementRef
 
   error: string = null
   forgotPasswordEmail = ''
   isAuthenticatedWithExternalAuth = false
+  externalLogins: string[] = []
 
   private openedForgotPasswordModal: NgbModalRef
   private serverConfig: ServerConfig
@@ -63,8 +65,20 @@ export class LoginComponent extends FormReactive implements OnInit {
       username: this.loginValidatorsService.LOGIN_USERNAME,
       password: this.loginValidatorsService.LOGIN_PASSWORD
     })
+  }
+
+  ngAfterViewInit () {
+    if (this.usernameInput) {
+      this.usernameInput.nativeElement.focus()
+    }
+  }
+
+  getExternalLogins () {
+    return this.serverConfig.plugin.registeredExternalAuths
+  }
 
-    this.input.nativeElement.focus()
+  getAuthHref (auth: RegisteredExternalAuthConfig) {
+    return environment.apiUrl + `/plugins/${auth.name}/${auth.version}/auth/${auth.authName}`
   }
 
   login () {