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forked from baron/baron-sso
Files
baron-sso/backend/internal/service/ory_service.go
2026-01-27 22:58:49 +09:00

332 lines
10 KiB
Go

package service
import (
"baron-sso-backend/internal/domain"
"bytes"
"context"
"encoding/json"
"fmt"
"io"
"log/slog"
"net"
"net/http"
"net/url"
"os"
"time"
)
// OryProvider는 Kratos/Hydra를 기반으로 하는 IDP 어댑터의 최소 스켈레톤입니다.
// 지금은 스키마 메타데이터만 반환하며, 나머지 동작은 후속 작업에서 구현합니다.
type OryProvider struct {
KratosAdminURL string
KratosPublicURL string
HydraAdminURL string
HTTPClient *http.Client
}
func NewOryProvider() *OryProvider {
return &OryProvider{
KratosAdminURL: getenv("KRATOS_ADMIN_URL", "http://kratos:4434"),
KratosPublicURL: getenv("KRATOS_PUBLIC_URL", "http://kratos:4433"),
HydraAdminURL: getenv("HYDRA_ADMIN_URL", "http://hydra:4445"),
}
}
func (o *OryProvider) Name() string {
return "Ory (Kratos/Hydra)"
}
// GetMetadata는 BrokerUser가 요구하는 필드를 Kratos traits에 매핑 가능하다는 가정으로 반환합니다.
func (o *OryProvider) GetMetadata() (*domain.IDPMetadata, error) {
return &domain.IDPMetadata{
SupportedFields: []string{
"id", "email", "name", "phone_number",
"grade", "department", "affiliationType", "companyCode",
},
}, nil
}
// CreateUser는 Kratos Admin API를 통해 identity를 생성합니다.
func (o *OryProvider) CreateUser(user *domain.BrokerUser, password string) (string, error) {
if user == nil {
return "", fmt.Errorf("ory provider: user payload is nil")
}
if user.Email == "" || password == "" {
return "", fmt.Errorf("ory provider: email and password are required")
}
// 중복 확인
existingID, err := o.findIdentityID(user.Email)
if err != nil {
return "", fmt.Errorf("ory provider: search identity failed: %w", err)
}
if existingID != "" {
return "", fmt.Errorf("ory provider: identity already exists for email=%s", user.Email)
}
traits := map[string]interface{}{
"email": user.Email,
"name": user.Name,
"phone_number": user.PhoneNumber,
}
for k, v := range user.Attributes {
traits[k] = v
}
payload := map[string]interface{}{
"schema_id": "default",
"traits": traits,
"credentials": map[string]interface{}{
"password": map[string]interface{}{
"config": map[string]string{
"password": password,
},
},
},
}
body, _ := json.Marshal(payload)
req, err := http.NewRequestWithContext(context.Background(), http.MethodPost, fmt.Sprintf("%s/admin/identities", o.KratosAdminURL), bytes.NewReader(body))
if err != nil {
return "", fmt.Errorf("ory provider: build create request failed: %w", err)
}
req.Header.Set("Content-Type", "application/json")
resp, err := o.httpClient().Do(req)
if err != nil {
return "", fmt.Errorf("ory provider: create identity request failed: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode >= 300 {
respBody, _ := io.ReadAll(io.LimitReader(resp.Body, 2048))
return "", fmt.Errorf("ory provider: create identity failed status=%d body=%s", resp.StatusCode, string(respBody))
}
var created struct {
ID string `json:"id"`
}
if err := json.NewDecoder(resp.Body).Decode(&created); err != nil {
return "", fmt.Errorf("ory provider: decode create identity response failed: %w", err)
}
slog.Info("Ory identity created", "identity_id", created.ID, "email", user.Email)
return created.ID, nil
}
// SignIn은 Kratos Public API의 login API 플로우를 사용해 세션 토큰을 발급합니다.
func (o *OryProvider) SignIn(loginID, password string) (*domain.AuthInfo, error) {
if loginID == "" || password == "" {
return nil, fmt.Errorf("ory provider: loginID and password are required")
}
flowID, err := o.startLoginFlow()
if err != nil {
return nil, err
}
body, _ := json.Marshal(map[string]string{
"identifier": loginID,
"password": password,
"method": "password",
})
loginURL := fmt.Sprintf("%s/self-service/login?flow=%s", o.KratosPublicURL, flowID)
req, err := http.NewRequestWithContext(context.Background(), http.MethodPost, loginURL, bytes.NewReader(body))
if err != nil {
return nil, fmt.Errorf("ory provider: build login request failed: %w", err)
}
req.Header.Set("Content-Type", "application/json")
resp, err := o.httpClient().Do(req)
if err != nil {
return nil, fmt.Errorf("ory provider: login request failed: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode >= 300 {
respBody, _ := io.ReadAll(io.LimitReader(resp.Body, 2048))
return nil, fmt.Errorf("ory provider: login failed status=%d body=%s", resp.StatusCode, string(respBody))
}
var result struct {
SessionToken string `json:"session_token"`
SessionTokenExpiresAt time.Time `json:"session_token_expires_at"`
Session struct {
Identity struct {
ID string `json:"id"`
} `json:"identity"`
} `json:"session"`
}
if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
return nil, fmt.Errorf("ory provider: decode login response failed: %w", err)
}
if result.SessionToken == "" {
return nil, fmt.Errorf("ory provider: empty session token returned")
}
slog.Info("Ory login successful",
"identity_id", result.Session.Identity.ID,
"loginID", loginID,
"expires_at", result.SessionTokenExpiresAt,
)
return &domain.AuthInfo{
SessionToken: &domain.Token{
JWT: result.SessionToken,
Expiration: result.SessionTokenExpiresAt,
},
Subject: result.Session.Identity.ID,
}, nil
}
// InitiatePasswordReset는 현재 내부 토큰/메일 흐름을 사용하고 있으므로 NO-OP로 둡니다.
func (o *OryProvider) InitiatePasswordReset(loginID, redirectUrl string) error {
slog.Info("Ory InitiatePasswordReset bypassed (handled by app internal flow)", "loginID", loginID, "redirect", redirectUrl)
return nil
}
// VerifyPasswordResetToken는 내부 토큰 검증 흐름을 사용하므로 아직 구현하지 않습니다.
func (o *OryProvider) VerifyPasswordResetToken(token string) (*domain.AuthInfo, error) {
return nil, fmt.Errorf("ory provider: VerifyPasswordResetToken not implemented (internal token flow expected)")
}
// UpdateUserPassword: Kratos Admin API를 통해 비밀번호를 갱신합니다.
func (o *OryProvider) UpdateUserPassword(loginID, newPassword string, r *http.Request) error {
if loginID == "" || newPassword == "" {
return fmt.Errorf("ory provider: loginID or new password missing")
}
identityID, err := o.findIdentityID(loginID)
if err != nil {
return fmt.Errorf("ory provider: find identity failed: %w", err)
}
if identityID == "" {
return fmt.Errorf("ory provider: identity not found for loginID=%s", loginID)
}
payload := map[string]interface{}{
"credentials": map[string]interface{}{
"password": map[string]interface{}{
"config": map[string]string{
"password": newPassword,
},
},
},
}
body, _ := json.Marshal(payload)
req, err := http.NewRequestWithContext(context.Background(), http.MethodPatch, fmt.Sprintf("%s/admin/identities/%s", o.KratosAdminURL, identityID), bytes.NewReader(body))
if err != nil {
return fmt.Errorf("ory provider: build request failed: %w", err)
}
req.Header.Set("Content-Type", "application/json")
resp, err := o.httpClient().Do(req)
if err != nil {
return fmt.Errorf("ory provider: request failed: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode >= 300 {
respBody, _ := io.ReadAll(io.LimitReader(resp.Body, 1024))
return fmt.Errorf("ory provider: password update failed status=%d body=%s", resp.StatusCode, string(respBody))
}
slog.Info("Ory password updated via Kratos admin", "identity_id", identityID, "loginID", loginID)
return nil
}
func getenv(key, fallback string) string {
if v := os.Getenv(key); v != "" {
return v
}
return fallback
}
// findIdentityID: Kratos Admin API에서 credentials_identifier로 검색 후 첫 번째 identity id 반환
func (o *OryProvider) findIdentityID(loginID string) (string, error) {
u, err := url.Parse(fmt.Sprintf("%s/admin/identities", o.KratosAdminURL))
if err != nil {
return "", err
}
query := u.Query()
query.Set("credentials_identifier", loginID)
u.RawQuery = query.Encode()
req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, u.String(), nil)
if err != nil {
return "", err
}
resp, err := o.httpClient().Do(req)
if err != nil {
return "", err
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusNotFound {
return "", nil
}
if resp.StatusCode >= 300 {
body, _ := io.ReadAll(io.LimitReader(resp.Body, 1024))
return "", fmt.Errorf("kratos admin search failed status=%d body=%s", resp.StatusCode, string(body))
}
var identities []struct {
ID string `json:"id"`
}
if err := json.NewDecoder(resp.Body).Decode(&identities); err != nil {
return "", fmt.Errorf("decode response failed: %w", err)
}
if len(identities) == 0 {
return "", nil
}
return identities[0].ID, nil
}
func (o *OryProvider) httpClient() *http.Client {
if o.HTTPClient != nil {
return o.HTTPClient
}
return &http.Client{
Timeout: 10 * time.Second,
Transport: &http.Transport{
DialContext: (&net.Dialer{
Timeout: 5 * time.Second,
KeepAlive: 30 * time.Second,
}).DialContext,
TLSHandshakeTimeout: 5 * time.Second,
},
}
}
// startLoginFlow는 Kratos Public API에서 login flow ID를 발급받습니다.
func (o *OryProvider) startLoginFlow() (string, error) {
req, err := http.NewRequestWithContext(context.Background(), http.MethodGet, fmt.Sprintf("%s/self-service/login/api", o.KratosPublicURL), nil)
if err != nil {
return "", fmt.Errorf("ory provider: build login flow request failed: %w", err)
}
resp, err := o.httpClient().Do(req)
if err != nil {
return "", fmt.Errorf("ory provider: login flow request failed: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode >= 300 {
body, _ := io.ReadAll(io.LimitReader(resp.Body, 2048))
return "", fmt.Errorf("ory provider: login flow failed status=%d body=%s", resp.StatusCode, string(body))
}
var result struct {
ID string `json:"id"`
}
if err := json.NewDecoder(resp.Body).Decode(&result); err != nil {
return "", fmt.Errorf("ory provider: decode login flow failed: %w", err)
}
if result.ID == "" {
return "", fmt.Errorf("ory provider: empty login flow id")
}
return result.ID, nil
}