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// SAML Identity Provider (IdP) 메타데이터 유틸리티
export interface IDPMetadata {
entityId: string
ssoUrl: string
sloUrl?: string
certificate: string
nameIdFormat: string
organization: string
wantAuthnRequestsSigned: boolean
}
// IdP 메타데이터 가져오기 (환경변수 기반)
export function getIDPMetadata(): IDPMetadata {
console.log('🔍 Loading IdP metadata from environment variables...')
// 필수 환경변수 검증
const entityId = process.env.SAML_IDP_ENTITY_ID
const ssoUrl = process.env.SAML_IDP_SSO_URL
const certificate = process.env.SAML_IDP_CERT
if (!entityId || !ssoUrl || !certificate) {
throw new Error('Required SAML IdP environment variables are missing: SAML_IDP_ENTITY_ID, SAML_IDP_SSO_URL, SAML_IDP_CERT')
}
const metadata: IDPMetadata = {
entityId,
ssoUrl,
sloUrl: process.env.SAML_IDP_SLO_URL,
certificate,
nameIdFormat: process.env.SAML_IDP_NAME_ID_FORMAT || 'urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress',
organization: process.env.SAML_IDP_ORGANIZATION || 'Unknown Organization',
wantAuthnRequestsSigned: process.env.SAML_IDP_WANT_AUTHN_REQUESTS_SIGNED === 'true'
}
console.log('✅ IdP metadata loaded from environment variables:', {
entityId,
ssoUrl,
sloUrl: metadata.sloUrl,
organization: metadata.organization,
wantAuthnRequestsSigned: metadata.wantAuthnRequestsSigned
})
return metadata
}
// 인증서 형식 정규화 (PEM 형식으로 변환)
export function normalizeCertificate(cert: string): string {
// 이미 PEM 형식인 경우 그대로 반환
if (cert.includes('-----BEGIN CERTIFICATE-----')) {
return cert
}
// Base64 인증서를 PEM 형식으로 변환 (64자마다 줄바꿈)
const cleanCert = cert.replace(/\s+/g, '')
const formattedCert = cleanCert.match(/.{1,64}/g)?.join('\n') || cleanCert
return `-----BEGIN CERTIFICATE-----\n${formattedCert}\n-----END CERTIFICATE-----`
}
// SP 메타데이터 생성을 위한 헬퍼
export function getSPEntityId(): string {
return process.env.SAML_SP_ENTITY_ID || `${process.env.NEXTAUTH_URL}/saml/metadata`
}
export function getSPCallbackUrl(): string {
return `${process.env.NEXTAUTH_URL}/api/saml/callback`
}
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