Firebase Authentication with Identity Platform으로 업그레이드한 경우 원하는 SAML ID 공급업체를 사용하여 Firebase에 사용자를 인증할 수 있습니다. 이를 통해 SAML 기반 SSO 솔루션을 사용하여 사용자를 Firebase 앱에 로그인할 수 있습니다.
Firebase Authentication은 서비스 제공업체에서 시작한 SAML 흐름만 지원합니다.
시작하기 전에
SAML ID 공급업체를 통해 사용자를 로그인 처리하려면 먼저 공급업체에서 몇 가지 정보를 수집해야 합니다.
제공업체의 엔티티 ID: ID 공급업체를 식별하는 URI
제공업체의 SAML SSO URL: ID 공급업체의 로그인 페이지 URL
제공업체의 공개 키 인증서: ID 공급업체가 서명한 토큰을 인증하는 데 사용되는 인증서
앱의 엔티티 ID: 앱을 식별하는 URI, 즉 '서비스 제공업체'
위 정보가 확보되었으면 SAML을 Firebase 프로젝트의 로그인 제공업체로 사용 설정합니다.
사용자가 로그인을 완료하고 앱으로 돌아간 후에 getRedirectResult()를 호출하여 로그인 결과를 가져올 수 있습니다.
Web
import{getAuth,getRedirectResult,SAMLAuthProvider}from"firebase/auth";constauth=getAuth();getRedirectResult(auth).then((result)=>{// User is signed in.// Provider data available using getAdditionalUserInfo()}).catch((error)=>{// Handle error.});
Web
firebase.auth().getRedirectResult().then((result)=>{// User is signed in.// Provider data available in result.additionalUserInfo.profile,// or from the user's ID token obtained from result.user.getIdToken()// as an object in the firebase.sign_in_attributes custom claim.}).catch((error)=>{// Handle error.});
팝업 흐름
Web
import{getAuth,signInWithPopup,OAuthProvider}from"firebase/auth";constauth=getAuth();signInWithPopup(auth,provider).then((result)=>{// User is signed in.// Provider data available in result.additionalUserInfo.profile,// or from the user's ID token obtained from result.user.getIdToken()// as an object in the firebase.sign_in_attributes custom claim.}).catch((error)=>{// Handle error.});
Web
firebase.auth().signInWithPopup(provider).then((result)=>{// User is signed in.// Provider data available in result.additionalUserInfo.profile,// or from the user's ID token obtained from result.user.getIdToken()// as an object in the firebase.sign_in_attributes custom claim.}).catch((error)=>{// Handle error.});
ID 토큰과 UserInfo 객체에는 사용자의 이메일 주소가 ID 공급업체의 SAML 어설션의 NameID 속성에 제공된 경우에만 포함됩니다.
위의 예시는 로그인 과정에 중점을 두고 있지만 동일한 패턴으로 linkWithRedirect()와 linkWithPopup()을 사용하여 SAML 제공업체를 기존 사용자에 연결하고 reauthenticateWithRedirect() 및 reauthenticateWithPopup()을 사용하여 사용자를 다시 인증할 수 있습니다. 이는 최신 로그인이 필요한 민감한 작업에서 새로운 사용자 인증 정보를 검색하는 데 사용할 수 있습니다.
[[["이해하기 쉬움","easyToUnderstand","thumb-up"],["문제가 해결됨","solvedMyProblem","thumb-up"],["기타","otherUp","thumb-up"]],[["필요한 정보가 없음","missingTheInformationINeed","thumb-down"],["너무 복잡함/단계 수가 너무 많음","tooComplicatedTooManySteps","thumb-down"],["오래됨","outOfDate","thumb-down"],["번역 문제","translationIssue","thumb-down"],["샘플/코드 문제","samplesCodeIssue","thumb-down"],["기타","otherDown","thumb-down"]],["최종 업데이트: 2025-09-04(UTC)"],[],[],null,["If you've upgraded to Firebase Authentication with Identity Platform, you can authenticate your users with Firebase\nusing the SAML identity provider of your choice. This makes it possible to use\nyour SAML-based SSO solution to sign users in to your Firebase app.\n\nFirebase Authentication supports only the service-provider initiated SAML flow.\n\nBefore you begin\n\nTo sign in users using a SAML identity provider, you must first collect some\ninformation from the provider:\n\n- **The provider's Entity ID**: A URI that identifies the identity provider.\n- **The provider's SAML SSO URL**: The URL of the identity provider's sign-in page.\n- **The provider's public key certificate**: The certificate used to validate tokens signed by the identity provider.\n- **Your app's Entity ID**: A URI that identifies your app, the \"service provider\".\n\nAfter you have the above information, enable SAML as a sign-in provider for your\nFirebase project:\n\n1. [Add Firebase to your JavaScript project](/docs/web/setup).\n\n2. If you haven't upgraded to Firebase Authentication with Identity Platform, do so. SAML authentication is only\n available in upgraded projects.\n\n3. On the [**Sign-in providers**](//console.firebase.google.com/project/_/authentication/providers)\n page of the Firebase console, click **Add new provider** , and then click\n **SAML**.\n\n4. Give a name to this provider. Note the provider ID that's generated:\n something like `saml.example-provider`. You'll need this ID when you add\n sign-in code to your app.\n\n5. Specify your identity provider's entity ID, SSO URL, and public key\n certificate. Also specify the entity ID of your app (the service provider).\n These values must exactly match the values your provider assigned to you.\n\n6. Save your changes.\n\n7. If you haven't already authorized your app's domain, add it to the allow\n list on the [**Authentication \\\u003e Settings**](//console.firebase.google.com/project/_/authentication/settings)\n page of the Firebase console.\n\nHandle the sign-in flow with the Firebase SDK\n\nTo handle the sign-in flow with the Firebase JavaScript SDK, follow these\nsteps:\n\n1. Create an instance of an `SAMLAuthProvider` using the provider ID you got in\n the Firebase console.\n\n Web \n\n import { SAMLAuthProvider } from \"firebase/auth\";\n\n const provider = new SAMLAuthProvider('saml.example-provider');\n\n Web \n\n var provider = new firebase.auth.SAMLAuthProvider('saml.example-provider');\n ``\n\n\u003c!-- --\u003e\n\n1. Authenticate with Firebase using the SAML provider object.\n\n You can either redirect the user to the provider's sign-in page or open the\n sign-in page in a pop-up browser window.\n\n **Redirect flow**\n\n Redirect to the provider sign-in page by calling `signInWithRedirect()`: \n\n Web \n\n import { getAuth, signInWithRedirect } from \"firebase/auth\";\n\n const auth = getAuth();\n signInWithRedirect(auth, provider);\n\n Web \n\n firebase.auth().signInWithRedirect(provider);\n\n After the user completes sign-in and returns to your app, you can obtain the\n sign-in result by calling `getRedirectResult()`. \n\n Web \n\n import { getAuth, getRedirectResult, SAMLAuthProvider } from \"firebase/auth\";\n\n const auth = getAuth();\n getRedirectResult(auth)\n .then((result) =\u003e {\n // User is signed in.\n\n // Provider data available using getAdditionalUserInfo()\n })\n .catch((error) =\u003e {\n // Handle error.\n });\n\n Web \n\n firebase.auth().getRedirectResult()\n .then((result) =\u003e {\n // User is signed in.\n\n // Provider data available in result.additionalUserInfo.profile,\n // or from the user's ID token obtained from result.user.getIdToken()\n // as an object in the firebase.sign_in_attributes custom claim.\n })\n .catch((error) =\u003e {\n // Handle error.\n });\n\n **Pop-up flow**\n\n Web \n\n import { getAuth, signInWithPopup, OAuthProvider } from \"firebase/auth\";\n\n const auth = getAuth();\n signInWithPopup(auth, provider)\n .then((result) =\u003e {\n // User is signed in.\n\n // Provider data available in result.additionalUserInfo.profile,\n // or from the user's ID token obtained from result.user.getIdToken()\n // as an object in the firebase.sign_in_attributes custom claim.\n })\n .catch((error) =\u003e {\n // Handle error.\n });\n\n Web \n\n firebase.auth().signInWithPopup(provider)\n .then((result) =\u003e {\n // User is signed in.\n\n // Provider data available in result.additionalUserInfo.profile,\n // or from the user's ID token obtained from result.user.getIdToken()\n // as an object in the firebase.sign_in_attributes custom claim.\n })\n .catch((error) =\u003e {\n // Handle error.\n });\n\n The ID token and [UserInfo](/docs/reference/js/auth.userinfo#userinfoemail)\n object contains the user's email address only if it is provided in the\n `NameID` attribute of the SAML assertion from the identity provider: \n\n \u003cSubject\u003e\n \u003cNameID Format=\"urn:oasis:names:tc:SAML:1.1:nameid-format:emailAddress\"\u003etest@email.com\u003c/NameID\u003e\n \u003c/Subject\u003e\n\n2. While the above examples focus on sign-in flows, you can use the same\n pattern to link a SAML provider to an existing user using\n `linkWithRedirect()` and `linkWithPopup()`, and re-authenticate a user with\n `reauthenticateWithRedirect()` and `reauthenticateWithPopup()`, which can be\n used to retrieve fresh credentials for sensitive operations that require\n recent login."]]