💄(oidc) add login page in the frontend

To have a better user experience, we want the login page
to in the frontend.

src/frontend/apps/desk/src/core/auth/Auth.tsx

@@ -1,4 +1,5 @@
 import { Loader } from '@openfun/cunningham-react';
+import { useRouter } from 'next/router';
 import { PropsWithChildren, useEffect } from 'react';
 
 import { Box } from '@/components';
@@ -7,12 +8,16 @@ import { useAuthStore } from './useAuthStore';
 
 export const Auth = ({ children }: PropsWithChildren) => {
   const { authenticated, initAuth } = useAuthStore();
+  const router = useRouter();
+  const isLoginPage = router.pathname === '/login';
 
   useEffect(() => {
-    initAuth();
-  }, [initAuth]);
+    if (!isLoginPage) {
+      initAuth();
+    }
+  }, [initAuth, isLoginPage]);
 
-  if (!authenticated) {
+  if (!authenticated && !isLoginPage) {
     return (
       <Box $height="100vh" $width="100vw" $align="center" $justify="center">
         <Loader />

src/frontend/apps/desk/src/features/login/__tests__/InputUserEmail.test.tsx

@@ -0,0 +1,54 @@
+import { render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+
+import { AppWrapper } from '@/tests/utils';
+
+import { InputUserEmail } from '../components/InputUserEmail';
+
+describe('InputUserEmail', () => {
+  const mockSetEmail = jest.fn();
+  const defaultProps = {
+    label: 'Email Address',
+    email: '',
+    setEmail: mockSetEmail,
+  };
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  const renderInput = (props = defaultProps) => {
+    render(<InputUserEmail {...props} />, { wrapper: AppWrapper });
+  };
+
+  it('renders the email input with correct label', () => {
+    renderInput();
+    expect(screen.getByLabelText('Email Address')).toBeInTheDocument();
+  });
+
+  it('calls setEmail when input value changes', async () => {
+    renderInput();
+    const input = screen.getByLabelText('Email Address');
+    await userEvent.type(input, 'test@example.com');
+    expect(mockSetEmail).toHaveBeenCalledWith('test@example.com');
+  });
+
+  it('displays the current email value', () => {
+    renderInput({ ...defaultProps, email: 'test@example.com' });
+    const input: HTMLInputElement = screen.getByLabelText('Email Address');
+    expect(input.value).toBe('test@example.com');
+  });
+
+  it('has required attribute', () => {
+    renderInput();
+    const input = screen.getByLabelText('Email Address');
+    expect(input).toHaveAttribute('required');
+  });
+
+  it('has correct type and autocomplete attributes', () => {
+    renderInput();
+    const input = screen.getByLabelText('Email Address');
+    expect(input).toHaveAttribute('type', 'email');
+    expect(input).toHaveAttribute('autocomplete', 'username');
+  });
+});

src/frontend/apps/desk/src/features/login/__tests__/InputUserPassword.test.tsx

@@ -0,0 +1,47 @@
+import { render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+
+import { AppWrapper } from '@/tests/utils';
+
+import { InputUserPassword } from '../components/InputUserPassword';
+
+describe('InputUserPassword', () => {
+  const mockSetPassword = jest.fn();
+  const defaultProps = {
+    label: 'Password',
+    setPassword: mockSetPassword,
+  };
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  const renderInput = (props = defaultProps) => {
+    render(<InputUserPassword {...props} />, { wrapper: AppWrapper });
+  };
+
+  it('renders the password input with correct label', () => {
+    renderInput();
+    expect(screen.getByLabelText('Password')).toBeInTheDocument();
+  });
+
+  it('calls setPassword when input value changes', async () => {
+    renderInput();
+    const input = screen.getByLabelText('Password');
+    await userEvent.type(input, 'mypassword123');
+    expect(mockSetPassword).toHaveBeenCalledWith('mypassword123');
+  });
+
+  it('has required attribute', () => {
+    renderInput();
+    const input = screen.getByLabelText('Password');
+    expect(input).toHaveAttribute('required');
+  });
+
+  it('has correct type and autocomplete attributes', () => {
+    renderInput();
+    const input = screen.getByLabelText('Password');
+    expect(input).toHaveAttribute('type', 'password');
+    expect(input).toHaveAttribute('autocomplete', 'current-password');
+  });
+});

src/frontend/apps/desk/src/features/login/__tests__/login.test.tsx

@@ -0,0 +1,117 @@
+import { fireEvent, render, screen, waitFor } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+
+import { AppWrapper } from '@/tests/utils';
+
+import { LoginForm } from '../components/LoginForm';
+
+jest.mock('next/navigation', () => ({
+  useRouter: jest.fn(),
+}));
+
+jest.mock('next/router', () => ({
+  useRouter: jest.fn(),
+}));
+
+describe('LoginForm', () => {
+  const mockHandleSubmit = jest.fn((e) => e.preventDefault());
+  const mockSetEmail = jest.fn();
+  const mockSetPassword = jest.fn();
+
+  const defaultProps = {
+    title: 'Login',
+    labelEmail: 'Email',
+    labelPassword: 'Password',
+    labelSignIn: 'Sign In',
+    email: '',
+    setEmail: mockSetEmail,
+    setPassword: mockSetPassword,
+    error: '',
+    handleSubmit: mockHandleSubmit,
+    blockingError: '',
+  };
+
+  beforeEach(() => {
+    jest.clearAllMocks();
+  });
+
+  const renderLoginForm = () => {
+    render(<LoginForm {...defaultProps} />, { wrapper: AppWrapper });
+  };
+
+  it('should render the login form', async () => {
+    renderLoginForm();
+
+    await waitFor(() => {
+      expect(screen.getByText('Login')).toBeInTheDocument();
+    });
+
+    expect(screen.getByLabelText('Email')).toBeInTheDocument();
+    expect(screen.getByLabelText('Password')).toBeInTheDocument();
+    expect(screen.getByText('Sign In')).toBeInTheDocument();
+  });
+
+  it('should handle email input', async () => {
+    renderLoginForm();
+
+    await waitFor(() => {
+      expect(screen.getByLabelText('Email')).toBeInTheDocument();
+    });
+
+    const emailInput = screen.getByLabelText('Email');
+    await userEvent.type(emailInput, 'test@example.com');
+
+    expect(mockSetEmail).toHaveBeenCalledWith('test@example.com');
+  });
+
+  it('should handle password input', async () => {
+    renderLoginForm();
+
+    await waitFor(() => {
+      expect(screen.getByLabelText('Password')).toBeInTheDocument();
+    });
+
+    const passwordInput = screen.getByLabelText('Password');
+    await userEvent.type(passwordInput, 'password123');
+
+    expect(mockSetPassword).toHaveBeenCalledWith('password123');
+  });
+
+  it('should submit the form', async () => {
+    renderLoginForm();
+
+    await waitFor(() => {
+      expect(screen.getByText('Sign In')).toBeInTheDocument();
+    });
+
+    const form = screen.getByTestId('login-form');
+    fireEvent.submit(form);
+
+    expect(mockHandleSubmit).toHaveBeenCalled();
+  });
+
+  it('should display error message when provided', async () => {
+    const errorMessage = 'Invalid credentials';
+    render(<LoginForm {...defaultProps} error={errorMessage} />, {
+      wrapper: AppWrapper,
+    });
+
+    await waitFor(() => {
+      expect(screen.getByText(errorMessage)).toBeInTheDocument();
+    });
+  });
+
+  it('should display blocking error and hide form when provided', async () => {
+    const blockingError = 'Service unavailable';
+    render(<LoginForm {...defaultProps} blockingError={blockingError} />, {
+      wrapper: AppWrapper,
+    });
+
+    await waitFor(() => {
+      expect(screen.getByText(blockingError)).toBeInTheDocument();
+    });
+
+    expect(screen.queryByLabelText('Email')).not.toBeInTheDocument();
+    expect(screen.queryByLabelText('Password')).not.toBeInTheDocument();
+  });
+});

src/frontend/apps/desk/src/features/login/components/InputUserEmail.tsx

@@ -0,0 +1,25 @@
+import { Input } from '@openfun/cunningham-react';
+
+interface InputUserEmailProps {
+  label: string;
+  email: string;
+  setEmail: (newEmail: string) => void;
+}
+
+export const InputUserEmail = ({
+  label,
+  email,
+  setEmail,
+}: InputUserEmailProps) => {
+  return (
+    <Input
+      label={label}
+      type="email"
+      onChange={(e) => setEmail(e.target.value)}
+      required
+      fullWidth
+      autoComplete="username"
+      value={email}
+    />
+  );
+};

src/frontend/apps/desk/src/features/login/components/InputUserPassword.tsx

@@ -0,0 +1,22 @@
+import { Input } from '@openfun/cunningham-react';
+
+interface InputUserEmailProps {
+  label: string;
+  setPassword: (newEmail: string) => void;
+}
+
+export const InputUserPassword = ({
+  label,
+  setPassword,
+}: InputUserEmailProps) => {
+  return (
+    <Input
+      label={label}
+      type="password"
+      onChange={(e) => setPassword(e.target.value)}
+      required
+      fullWidth
+      autoComplete="current-password"
+    />
+  );
+};

src/frontend/apps/desk/src/features/login/components/LoginForm.tsx

@@ -0,0 +1,95 @@
+import { Button } from '@openfun/cunningham-react';
+
+import { Box, Text } from '@/components';
+import { InputUserEmail, InputUserPassword } from '@/features/login';
+
+interface LoginFormProps {
+  title: string;
+  labelEmail: string;
+  labelPassword: string;
+  labelSignIn: string;
+  email: string;
+  setEmail: (newEmail: string) => void;
+  setPassword: (newPassword: string) => void;
+  error: string;
+  handleSubmit: (e: React.FormEvent) => void;
+  blockingError: string;
+}
+
+export const LoginForm = ({
+  title,
+  labelEmail,
+  labelPassword,
+  labelSignIn,
+  email,
+  setEmail,
+  setPassword,
+  error,
+  handleSubmit,
+  blockingError,
+}: LoginFormProps) => {
+  return (
+    <Box $width="100%" $maxWidth="30rem" $margin="4rem auto" $padding="0 1rem">
+      <Box>
+        <Text
+          as="h1"
+          $textAlign="center"
+          $size="h3"
+          $theme="primary"
+          $variation="text"
+          style={{ marginBottom: '2rem' }}
+        >
+          {title}
+        </Text>
+        <Box>
+          {!!blockingError ? (
+            <Text
+              $theme="danger"
+              $variation="text"
+              $textAlign="center"
+              style={{ marginBottom: '1rem', display: 'block' }}
+            >
+              {blockingError === 'loading' ? '' : blockingError}
+            </Text>
+          ) : (
+            <form onSubmit={handleSubmit} data-testId="login-form">
+              <Box $padding="tiny">
+                <InputUserEmail
+                  setEmail={setEmail}
+                  email={email}
+                  label={labelEmail}
+                />
+              </Box>
+
+              <Box $padding="tiny">
+                <InputUserPassword
+                  label={labelPassword}
+                  setPassword={setPassword}
+                />
+              </Box>
+
+              {error && (
+                <Box $padding="tiny">
+                  <Text
+                    $theme="danger"
+                    $variation="text"
+                    $textAlign="center"
+                    style={{ marginBottom: '1rem', display: 'block' }}
+                  >
+                    {error}
+                  </Text>
+                </Box>
+              )}
+
+              <Box $padding="tiny">
+                <Button color="primary" type="submit" fullWidth>
+                  {labelSignIn}
+                </Button>
+              </Box>
+            </form>
+          )}
+        </Box>{' '}
+      </Box>
+    </Box>
+  );
+};

src/frontend/apps/desk/src/features/login/components/LoginLayout.tsx

@@ -0,0 +1,19 @@
+import { PropsWithChildren } from 'react';
+
+import { Box } from '@/components';
+import { Footer } from '@/features/footer/Footer';
+import { Header } from '@/features/header';
+
+export function LoginLayout({ children }: PropsWithChildren) {
+  return (
+    <Box>
+      <Box $height="100vh">
+        <Header />
+        <Box $css="flex: 1;" $direction="row">
+          {children}
+        </Box>
+        <Footer />
+      </Box>
+    </Box>
+  );
+}

src/frontend/apps/desk/src/features/login/components/index.ts

@@ -0,0 +1,4 @@
+export * from './LoginLayout';
+export * from './LoginForm';
+export * from './InputUserEmail';
+export * from './InputUserPassword';

src/frontend/apps/desk/src/features/login/index.tsx

@@ -0,0 +1 @@
+export * from './components';

src/frontend/apps/desk/src/pages/login/index.tsx

@@ -0,0 +1,95 @@
+import { useRouter } from 'next/router';
+import { ReactElement, useEffect, useState } from 'react';
+import { useTranslation } from 'react-i18next';
+
+import { fetchAPI } from '@/api';
+import { LoginForm, LoginLayout } from '@/features/login';
+import { NextPageWithLayout } from '@/types/next';
+
+const Page: NextPageWithLayout = () => {
+  const router = useRouter();
+  const { t } = useTranslation();
+  const [email, setEmail] = useState('');
+  const [password, setPassword] = useState('');
+  const [error, setError] = useState('');
+  const [blockingError, setBlockingError] = useState('loading');
+  const { next } = router.query;
+
+  useEffect(() => {
+    if (next) {
+      try {
+        // Decode the URL-encoded next parameter
+        const decodedNext = decodeURIComponent(next as string);
+        // Extract the query string after /o/authorize/
+        const match = decodedNext.match(/\/o\/authorize\/\?(.*)/);
+        if (match) {
+          const params = new URLSearchParams(match[1]);
+          const acrValues = params.get('acr_values');
+          const loginHint = params.get('login_hint');
+
+          if (acrValues && acrValues !== 'eidas1') {
+            setBlockingError(t('This authentication level is not supported.'));
+          } else {
+            setBlockingError('');
+          }
+
+          if (loginHint) {
+            setEmail(loginHint);
+          }
+        }
+      } catch (e) {
+        console.error('Error parsing next parameter:', e);
+      }
+    }
+  }, [next, t]);
+
+  const handleSubmit = (e: React.FormEvent) => {
+    e.preventDefault();
+    setError('');
+
+    if (blockingError) {
+      return;
+    }
+
+    fetchAPI('login/', {
+      method: 'POST',
+      body: JSON.stringify({ email, password }),
+      credentials: 'include', // Important for session cookie
+    })
+      .then((res) => {
+        if (!res.ok) {
+          setError(t('Login failed. Please try again.'));
+        } else {
+          if (next) {
+            window.location.href = next as string;
+          } else {
+            window.location.href = '/authorize/';
+          }
+        }
+      })
+      .catch(() => {
+        setError(t('Login failed. Please try again.'));
+      });
+  };
+
+  return (
+    <LoginForm
+      title={t('Sign in')}
+      labelEmail={t('Email')}
+      labelPassword={t('Password')}
+      labelSignIn={t('Sign in')}
+      email={email}
+      setEmail={setEmail}
+      setPassword={setPassword}
+      error={error}
+      handleSubmit={handleSubmit}
+      blockingError={blockingError}
+    />
+  );
+};
+
+Page.getLayout = function getLayout(page: ReactElement) {
+  return <LoginLayout>{page}</LoginLayout>;
+};
+
+export default Page;

src/helm/desk/Chart.yaml

@@ -1,4 +1,4 @@
 apiVersion: v2
 type: application
 name: desk
-version: 0.0.3
+version: 0.0.4

src/helm/desk/templates/ingress.yaml

@@ -74,6 +74,20 @@ spec:
               serviceName: {{ include "desk.backend.fullname" . }}
               servicePort: {{ .Values.backend.service.port }}
               {{- end }}
+          - path: /o
+            {{- if semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion }}
+            pathType: Prefix
+            {{- end }}
+            backend:
+              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
+              service:
+                name: {{ include "desk.backend.fullname" $ }}
+                port:
+                  number: {{ $.Values.backend.service.port }}
+              {{- else }}
+              serviceName: {{ include "desk.backend.fullname" $ }}
+              servicePort: {{ $.Values.backend.service.port }}
+              {{- end }}
           - path: /resource-server
             {{- if semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion }}
             pathType: Prefix
@@ -124,6 +138,20 @@ spec:
               serviceName: {{ include "desk.backend.fullname" $ }}
               servicePort: {{ $.Values.backend.service.port }}
               {{- end }}
+          - path: /o
+            {{- if semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion }}
+            pathType: Prefix
+            {{- end }}
+            backend:
+              {{- if semverCompare ">=1.19-0" $.Capabilities.KubeVersion.GitVersion }}
+              service:
+                name: {{ include "desk.backend.fullname" $ }}
+                port:
+                  number: {{ $.Values.backend.service.port }}
+              {{- else }}
+              serviceName: {{ include "desk.backend.fullname" $ }}
+              servicePort: {{ $.Values.backend.service.port }}
+              {{- end }}
           - path: /resource-server
             {{- if semverCompare ">=1.18-0" $.Capabilities.KubeVersion.GitVersion }}
             pathType: Prefix