From 1abb6ce1a784ae5552946dff5f1f5aab7dcbda30 Mon Sep 17 00:00:00 2001 From: "Nhien (Ricky) Lam" <62775270+NhienLam@users.noreply.github.com> Date: Fri, 12 Apr 2024 16:24:45 -0700 Subject: [PATCH] =?UTF-8?q?Add=20snippets=20for=20Handling=20the=20account?= =?UTF-8?q?-exists-with-different=E2=80=A6=20(#367)?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit * Add v8 and v9 snippets for Handling the account-exists-with-different-credential error * Import auth functions * Add missing methods to param * Add missing methods to params for legacy snippets --- auth-next/link-multiple-accounts.js | 58 ++++++++++++++++++ auth/link-multiple-accounts.js | 56 +++++++++++++++++ .../account_exists_popup.js | 61 +++++++++++++++++++ 3 files changed, 175 insertions(+) create mode 100644 snippets/auth-next/link-multiple-accounts/account_exists_popup.js diff --git a/auth-next/link-multiple-accounts.js b/auth-next/link-multiple-accounts.js index 34c0db58..1938aafc 100644 --- a/auth-next/link-multiple-accounts.js +++ b/auth-next/link-multiple-accounts.js @@ -182,3 +182,61 @@ function unlink(providerId) { }); // [END auth_unlink_provider] } + +function accountExistsPopup(auth, facebookProvider, goToApp, promptUserForPassword, promptUserForSignInMethod, getProviderForProviderId) { + // [START account_exists_popup] + const { signInWithPopup, signInWithEmailAndPassword, linkWithCredential } = require("firebase/auth"); + + // User tries to sign in with Facebook. + signInWithPopup(auth, facebookProvider).catch((error) => { + // User's email already exists. + if (error.code === 'auth/account-exists-with-different-credential') { + // The pending Facebook credential. + const pendingCred = error.credential; + // The provider account's email address. + const email = error.customData.email; + + // Present the user with a list of providers they might have + // used to create the original account. + // Then, ask the user to sign in with the existing provider. + const method = promptUserForSignInMethod(); + + if (method === 'password') { + // TODO: Ask the user for their password. + // In real scenario, you should handle this asynchronously. + const password = promptUserForPassword(); + signInWithEmailAndPassword(auth, email, password).then((result) => { + return linkWithCredential(result.user, pendingCred); + }).then(() => { + // Facebook account successfully linked to the existing user. + goToApp(); + }); + return; + } + + // All other cases are external providers. + // Construct provider object for that provider. + // TODO: Implement getProviderForProviderId. + const provider = getProviderForProviderId(method); + // At this point, you should let the user know that they already have an + // account with a different provider, and validate they want to sign in + // with the new provider. + // Note: Browsers usually block popups triggered asynchronously, so in + // real app, you should ask the user to click on a "Continue" button + // that will trigger signInWithPopup(). + signInWithPopup(auth, provider).then((result) => { + // Note: Identity Platform doesn't control the provider's sign-in + // flow, so it's possible for the user to sign in with an account + // with a different email from the first one. + + // Link the Facebook credential. We have access to the pending + // credential, so we can directly call the link method. + linkWithCredential(result.user, pendingCred).then((userCred) => { + // Success. + goToApp(); + }); + }); + } +}); +// [END account_exists_popup] +} diff --git a/auth/link-multiple-accounts.js b/auth/link-multiple-accounts.js index 30f5a2ec..8eed77b8 100644 --- a/auth/link-multiple-accounts.js +++ b/auth/link-multiple-accounts.js @@ -166,3 +166,59 @@ function unlink(providerId) { }); // [END auth_unlink_provider] } + +function accountExistsPopup(facebookProvider, goToApp, promptUserForPassword, promptUserForSignInMethod, getProviderForProviderId) { + // [START account_exists_popup] + // User tries to sign in with Facebook. + auth.signInWithPopup(facebookProvider).catch((error) => { + // User's email already exists. + if (error.code === 'auth/account-exists-with-different-credential') { + // The pending Facebook credential. + const pendingCred = error.credential; + // The provider account's email address. + const email = error.email; + + // Present the user with a list of providers they might have + // used to create the original account. + // Then, ask the user to sign in with the existing provider. + const method = promptUserForSignInMethod(); + + if (method === 'password') { + // TODO: Ask the user for their password. + // In real scenario, you should handle this asynchronously. + const password = promptUserForPassword(); + auth.signInWithEmailAndPassword(email, password).then((result) => { + return result.user.linkWithCredential(pendingCred); + }).then(() => { + // Facebook account successfully linked to the existing user. + goToApp(); + }); + return; + } + + // All other cases are external providers. + // Construct provider object for that provider. + // TODO: Implement getProviderForProviderId. + const provider = getProviderForProviderId(method); + // At this point, you should let the user know that they already have an + // account with a different provider, and validate they want to sign in + // with the new provider. + // Note: Browsers usually block popups triggered asynchronously, so in + // real app, you should ask the user to click on a "Continue" button + // that will trigger signInWithPopup(). + auth.signInWithPopup(provider).then((result) => { + // Note: Identity Platform doesn't control the provider's sign-in + // flow, so it's possible for the user to sign in with an account + // with a different email from the first one. + + // Link the Facebook credential. We have access to the pending + // credential, so we can directly call the link method. + result.user.linkWithCredential(pendingCred).then((userCred) => { + // Success. + goToApp(); + }); + }); + } +}); +// [END account_exists_popup] +} diff --git a/snippets/auth-next/link-multiple-accounts/account_exists_popup.js b/snippets/auth-next/link-multiple-accounts/account_exists_popup.js new file mode 100644 index 00000000..2c667882 --- /dev/null +++ b/snippets/auth-next/link-multiple-accounts/account_exists_popup.js @@ -0,0 +1,61 @@ +// This snippet file was generated by processing the source file: +// ./auth-next/link-multiple-accounts.js +// +// To update the snippets in this file, edit the source and then run +// 'npm run snippets'. + + // [START account_exists_popup_modular] + import { signInWithPopup, signInWithEmailAndPassword, linkWithCredential } from "firebase/auth"; + + // User tries to sign in with Facebook. + signInWithPopup(auth, facebookProvider).catch((error) => { + // User's email already exists. + if (error.code === 'auth/account-exists-with-different-credential') { + // The pending Facebook credential. + const pendingCred = error.credential; + // The provider account's email address. + const email = error.customData.email; + + // Present the user with a list of providers they might have + // used to create the original account. + // Then, ask the user to sign in with the existing provider. + const method = promptUserForSignInMethod(); + + if (method === 'password') { + // TODO: Ask the user for their password. + // In real scenario, you should handle this asynchronously. + const password = promptUserForPassword(); + signInWithEmailAndPassword(auth, email, password).then((result) => { + return linkWithCredential(result.user, pendingCred); + }).then(() => { + // Facebook account successfully linked to the existing user. + goToApp(); + }); + return; + } + + // All other cases are external providers. + // Construct provider object for that provider. + // TODO: Implement getProviderForProviderId. + const provider = getProviderForProviderId(method); + // At this point, you should let the user know that they already have an + // account with a different provider, and validate they want to sign in + // with the new provider. + // Note: Browsers usually block popups triggered asynchronously, so in + // real app, you should ask the user to click on a "Continue" button + // that will trigger signInWithPopup(). + signInWithPopup(auth, provider).then((result) => { + // Note: Identity Platform doesn't control the provider's sign-in + // flow, so it's possible for the user to sign in with an account + // with a different email from the first one. + + // Link the Facebook credential. We have access to the pending + // credential, so we can directly call the link method. + linkWithCredential(result.user, pendingCred).then((userCred) => { + // Success. + goToApp(); + }); + }); + } +}); +// [END account_exists_popup_modular] \ No newline at end of file