All files / src/platform/identity/schemas session.schema.ts

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import { Prop, Schema, SchemaFactory } from '@nestjs/mongoose';
import { Document } from 'mongoose';
 
// ============================================================
// USER SESSION — Active user sessions across devices
// ============================================================
 
@Schema({ timestamps: true, collection: 'user_sessions' })
export class UserSession extends Document {
  @Prop({ required: true, index: true })
  userId: string;
 
  @Prop({ required: true, index: true })
  tenantId: string;
 
  @Prop({ required: true, unique: true })
  sessionId: string;
 
  @Prop({ default: null })
  refreshTokenHash: string; // SHA-256 of the active refresh token for this session
 
  @Prop({ default: null })
  deviceId: string; // Links to TrustedDevice
 
  @Prop({ default: null })
  deviceName: string;
 
  @Prop({ default: null })
  deviceType: string;
 
  @Prop({ default: null })
  browser: string;
 
  @Prop({ default: null })
  os: string;
 
  @Prop({ default: null })
  ipAddress: string;
 
  @Prop({ default: null })
  location: string;
 
  @Prop({
    required: true,
    enum: ['active', 'expired', 'revoked', 'logged_out'],
  })
  status: string;
 
  @Prop({ required: true })
  createdAt: Date;
 
  @Prop({ required: true })
  expiresAt: Date;
 
  @Prop({ default: null })
  lastActivityAt: Date;
 
  @Prop({ default: null })
  revokedAt: Date;
 
  @Prop({ default: null })
  revokedBy: string;
 
  @Prop({ default: null })
  revokedReason: string;
 
  @Prop({ default: false })
  isCurrent: boolean; // Marks the session requesting the list
 
  @Prop({ default: null })
  loginMethod: string; // 'email' | 'google' | 'apple'
 
  updatedAt: Date;
}
 
export const UserSessionSchema = SchemaFactory.createForClass(UserSession);
UserSessionSchema.index({ sessionId: 1 }, { unique: true });
UserSessionSchema.index({ userId: 1, status: 1 });
UserSessionSchema.index({ refreshTokenHash: 1 });
UserSessionSchema.index({ expiresAt: 1 }, { expireAfterSeconds: 86400 }); // Clean up 24h after expiry
 
// ============================================================
// SESSION TOKEN FAMILY — Tracks refresh token chains for reuse detection
// ============================================================
 
@Schema({ timestamps: true, collection: 'session_token_families' })
export class SessionTokenFamily extends Document {
  @Prop({ required: true, index: true })
  sessionId: string;
 
  @Prop({ required: true, index: true })
  userId: string;
 
  @Prop({ required: true })
  tenantId: string;
 
  @Prop({ required: true, unique: true })
  familyId: string; // Root family identifier
 
  @Prop({ default: 1 })
  generation: number; // Increments with each rotation
 
  @Prop({ required: true })
  currentTokenHash: string;
 
  @Prop({ default: null })
  previousTokenHash: string;
 
  @Prop({ default: false })
  isCompromised: boolean; // True if reuse detected
 
  @Prop({ default: null })
  compromisedAt: Date;
 
  @Prop({ required: true })
  expiresAt: Date;
 
  createdAt: Date;
  updatedAt: Date;
}
 
export const SessionTokenFamilySchema =
  SchemaFactory.createForClass(SessionTokenFamily);
SessionTokenFamilySchema.index({ familyId: 1 }, { unique: true });
SessionTokenFamilySchema.index({ currentTokenHash: 1 });
 
// ============================================================
// SESSION ACTIVITY — Per-session activity trail
// ============================================================
 
@Schema({ timestamps: true, collection: 'session_activities' })
export class SessionActivity extends Document {
  @Prop({ required: true, index: true })
  sessionId: string;
 
  @Prop({ required: true })
  userId: string;
 
  @Prop({ required: true })
  tenantId: string;
 
  @Prop({
    required: true,
    enum: [
      'session_created',
      'token_refreshed',
      'session_expired',
      'session_revoked',
      'session_logged_out',
      'password_changed',
      'mfa_completed',
      'permission_escalation',
    ],
  })
  activity: string;
 
  @Prop({ default: null })
  ipAddress: string;
 
  @Prop({ default: null })
  userAgent: string;
 
  @Prop({ type: Object, default: {} })
  metadata: Record<string, any>;
 
  createdAt: Date;
  updatedAt: Date;
}
 
export const SessionActivitySchema =
  SchemaFactory.createForClass(SessionActivity);
SessionActivitySchema.index({ sessionId: 1, createdAt: -1 });
SessionActivitySchema.index({ userId: 1, createdAt: -1 });