native-session.ts175 lines · main
| 1 | /** |
| 2 | * briven-engine sessions on Doltgres. |
| 3 | */ |
| 4 | |
| 5 | import { createHash, randomBytes } from 'node:crypto'; |
| 6 | |
| 7 | import { getEnginePool } from './db.js'; |
| 8 | |
| 9 | export type EngineSession = { |
| 10 | sessionHandle: string; |
| 11 | userId: string; |
| 12 | tenantId: string; |
| 13 | accessToken: string; |
| 14 | refreshToken: string; |
| 15 | expiresAt: Date; |
| 16 | }; |
| 17 | |
| 18 | function newToken(): string { |
| 19 | return randomBytes(32).toString('base64url'); |
| 20 | } |
| 21 | |
| 22 | function hash(t: string): string { |
| 23 | return createHash('sha256').update(t).digest('hex'); |
| 24 | } |
| 25 | |
| 26 | export async function createEngineSession(input: { |
| 27 | userId: string; |
| 28 | tenantId: string; |
| 29 | ttlDays?: number; |
| 30 | }): Promise<EngineSession> { |
| 31 | const sessionHandle = `sh_${randomBytes(16).toString('hex')}`; |
| 32 | // Phase 2: access cookie value IS the session handle (Doltgres PK lookup). |
| 33 | // Keep field name accessToken for FDI/cookie compatibility. |
| 34 | const accessToken = sessionHandle; |
| 35 | const refreshToken = newToken(); |
| 36 | const days = input.ttlDays ?? 30; |
| 37 | const expiresAt = new Date(Date.now() + days * 24 * 60 * 60 * 1000); |
| 38 | const pool = getEnginePool(); |
| 39 | |
| 40 | await pool.query( |
| 41 | `INSERT INTO be_sessions |
| 42 | (session_handle, user_id, tenant_id, refresh_token_hash, access_payload_json, expires_at) |
| 43 | VALUES ($1, $2, $3, $4, $5, $6)`, |
| 44 | [ |
| 45 | sessionHandle, |
| 46 | input.userId, |
| 47 | input.tenantId, |
| 48 | hash(refreshToken), |
| 49 | JSON.stringify({ sub: input.userId, tenantId: input.tenantId }), |
| 50 | expiresAt.toISOString(), |
| 51 | ], |
| 52 | ); |
| 53 | |
| 54 | return { |
| 55 | sessionHandle, |
| 56 | userId: input.userId, |
| 57 | tenantId: input.tenantId, |
| 58 | accessToken, |
| 59 | refreshToken, |
| 60 | expiresAt, |
| 61 | }; |
| 62 | } |
| 63 | |
| 64 | export async function getSessionByHandle( |
| 65 | sessionHandle: string, |
| 66 | ): Promise<{ userId: string; tenantId: string; expiresAt: Date } | null> { |
| 67 | const pool = getEnginePool(); |
| 68 | const res = await pool.query( |
| 69 | `SELECT user_id, tenant_id, expires_at FROM be_sessions |
| 70 | WHERE session_handle = $1 LIMIT 1`, |
| 71 | [sessionHandle], |
| 72 | ); |
| 73 | const row = res.rows[0] as |
| 74 | | { user_id: string; tenant_id: string; expires_at: Date | string } |
| 75 | | undefined; |
| 76 | if (!row) return null; |
| 77 | const expiresAt = new Date(row.expires_at); |
| 78 | if (expiresAt.getTime() < Date.now()) return null; |
| 79 | return { userId: row.user_id, tenantId: row.tenant_id, expiresAt }; |
| 80 | } |
| 81 | |
| 82 | export async function revokeEngineSession(sessionHandle: string): Promise<boolean> { |
| 83 | const pool = getEnginePool(); |
| 84 | // Capture user/tenant before delete for audit |
| 85 | let userId: string | null = null; |
| 86 | let tenantId: string | null = null; |
| 87 | try { |
| 88 | const prev = await pool.query( |
| 89 | `SELECT user_id, tenant_id FROM be_sessions WHERE session_handle = $1 LIMIT 1`, |
| 90 | [sessionHandle], |
| 91 | ); |
| 92 | const row = prev.rows[0] as { user_id?: string; tenant_id?: string } | undefined; |
| 93 | userId = row?.user_id ?? null; |
| 94 | tenantId = row?.tenant_id ?? null; |
| 95 | } catch { |
| 96 | /* ignore */ |
| 97 | } |
| 98 | const res = await pool.query(`DELETE FROM be_sessions WHERE session_handle = $1`, [ |
| 99 | sessionHandle, |
| 100 | ]); |
| 101 | const ok = (res.rowCount ?? 0) > 0; |
| 102 | if (ok) { |
| 103 | const { recordBrivenEngineAudit } = await import('./audit.js'); |
| 104 | void recordBrivenEngineAudit({ |
| 105 | action: 'session.revoked', |
| 106 | tenantId, |
| 107 | userId, |
| 108 | metadata: { sessionHandle }, |
| 109 | }); |
| 110 | } |
| 111 | return ok; |
| 112 | } |
| 113 | |
| 114 | export async function revokeAllForUser(userId: string): Promise<number> { |
| 115 | const pool = getEnginePool(); |
| 116 | const res = await pool.query(`DELETE FROM be_sessions WHERE user_id = $1`, [userId]); |
| 117 | return res.rowCount ?? 0; |
| 118 | } |
| 119 | |
| 120 | export async function listSessionHandles(userId: string): Promise<string[]> { |
| 121 | const pool = getEnginePool(); |
| 122 | const res = await pool.query( |
| 123 | `SELECT session_handle FROM be_sessions WHERE user_id = $1 AND expires_at > NOW()`, |
| 124 | [userId], |
| 125 | ); |
| 126 | return res.rows.map((r: { session_handle: string }) => r.session_handle); |
| 127 | } |
| 128 | |
| 129 | /** Recent active sessions for yellow dashboard (optionally one tenant). */ |
| 130 | export async function listRecentEngineSessions( |
| 131 | limit = 50, |
| 132 | opts?: { tenantId?: string }, |
| 133 | ): Promise< |
| 134 | Array<{ |
| 135 | handle: string; |
| 136 | userId: string; |
| 137 | tenantId: string; |
| 138 | expiresAt: string; |
| 139 | createdAt: string; |
| 140 | }> |
| 141 | > { |
| 142 | const pool = getEnginePool(); |
| 143 | const res = opts?.tenantId |
| 144 | ? await pool.query( |
| 145 | `SELECT session_handle, user_id, tenant_id, expires_at, created_at |
| 146 | FROM be_sessions |
| 147 | WHERE expires_at > NOW() AND tenant_id = $1 |
| 148 | ORDER BY created_at DESC |
| 149 | LIMIT $2`, |
| 150 | [opts.tenantId, limit], |
| 151 | ) |
| 152 | : await pool.query( |
| 153 | `SELECT session_handle, user_id, tenant_id, expires_at, created_at |
| 154 | FROM be_sessions |
| 155 | WHERE expires_at > NOW() |
| 156 | ORDER BY created_at DESC |
| 157 | LIMIT $1`, |
| 158 | [limit], |
| 159 | ); |
| 160 | return ( |
| 161 | res.rows as Array<{ |
| 162 | session_handle: string; |
| 163 | user_id: string; |
| 164 | tenant_id: string; |
| 165 | expires_at: Date | string; |
| 166 | created_at: Date | string; |
| 167 | }> |
| 168 | ).map((r) => ({ |
| 169 | handle: r.session_handle, |
| 170 | userId: r.user_id, |
| 171 | tenantId: r.tenant_id, |
| 172 | expiresAt: new Date(r.expires_at).toISOString(), |
| 173 | createdAt: new Date(r.created_at).toISOString(), |
| 174 | })); |
| 175 | } |