feat: add settings page to analytics-frontend

lib/api/user.ts

@@ -0,0 +1,60 @@
+import apiRequest from './client'
+
+export async function deleteAccount(password: string): Promise<void> {
+  // This goes to ciphera-auth
+  return apiRequest<void>('/auth/user', {
+    method: 'DELETE',
+    body: JSON.stringify({ password }),
+  })
+}
+
+export interface Session {
+  id: string
+  client_ip: string
+  user_agent: string
+  created_at: string
+  expires_at: string
+  is_current: boolean
+}
+
+export async function getUserSessions(): Promise<{ sessions: Session[] }> {
+  // Hash the current refresh token to identify current session
+  const refreshToken = typeof window !== 'undefined' ? localStorage.getItem('refreshToken') : null
+  let currentTokenHash = ''
+  
+  if (refreshToken) {
+    // Hash the refresh token using SHA-256
+    const encoder = new TextEncoder()
+    const data = encoder.encode(refreshToken)
+    const hashBuffer = await crypto.subtle.digest('SHA-256', data)
+    const hashArray = Array.from(new Uint8Array(hashBuffer))
+    currentTokenHash = hashArray.map(b => b.toString(16).padStart(2, '0')).join('')
+  }
+
+  return apiRequest<{ sessions: Session[] }>('/auth/user/sessions', {
+    headers: currentTokenHash ? {
+      'X-Current-Session-Hash': currentTokenHash,
+    } : undefined,
+  })
+}
+
+export async function revokeSession(sessionId: string): Promise<void> {
+  return apiRequest<void>(`/auth/user/sessions/${sessionId}`, {
+    method: 'DELETE',
+  })
+}
+
+export interface UserPreferences {
+  email_notifications: {
+    new_file_received: boolean
+    file_downloaded: boolean
+    security_alerts: boolean
+  }
+}
+
+export async function updateUserPreferences(preferences: UserPreferences): Promise<void> {
+  return apiRequest<void>('/auth/user/preferences', {
+    method: 'PUT',
+    body: JSON.stringify(preferences),
+  })
+}