Return credentials input fields in getProviders

[jasonjei]

Description 📓

I want to be able to get my credentials providers input fields using the Client API from /api/auth/providers. I'm not able to do that with import { getProviders } from "next-auth/react" in 4.0.0-beta.6

The providers client API doesn't give the same fields as the default sign-in page providers object. I don't get access to providers["credentials"].credentials object like the vendor-provided sign-in page does. Would it be possible to fill in an extra key in the providers["credentials"].credentials object in the /api/auth/providers API to supply me the input fields required so that I can dynamically create the credentials input fields instead of hard-coding them?

How to reproduce ☕️

What I currently get from /api/auth/providers:

{"credentials":{"id":"credentials","name":"Credentials","type":"credentials","signinUrl":"https://dev/api/auth/signin/credentials","callbackUrl":"https://dev/api/auth/callback/credentials"},"github":{"id":"github","name":"GitHub","type":"oauth","signinUrl":"https://dev/api/auth/signin/github","callbackUrl":"https://dev/api/auth/callback/github"},"facebook":{"id":"facebook","name":"Facebook","type":"oauth","signinUrl":"https://dev/api/auth/signin/facebook","callbackUrl":"https://dev/api/auth/callback/facebook"}}

What I would like to get:

{
  "credentials": {
    "id": "credentials",
    "name": "Credentials",
    "type": "credentials",
    "signinUrl": "https://dev/api/auth/signin/credentials",
    "callbackUrl": "https://dev/api/auth/callback/credentials",
    "credentials": {
      "email": {
        "label": "Email",
        "type": "text",
        "placeholder": "email"
      },
      "password": {
        "label": "Password",
        "type": "password"
      }
    }
  },
  "github": {
    "id": "github",
    "name": "GitHub",
    "type": "oauth",
    "signinUrl": "https://dev/api/auth/signin/github",
    "callbackUrl": "https://dev/api/auth/callback/github"
  },
  "facebook": {
    "id": "facebook",
    "name": "Facebook",
    "type": "oauth",
    "signinUrl": "https://dev/api/auth/signin/facebook",
    "callbackUrl": "https://dev/api/auth/callback/facebook"
  }
}

What I want to do in my custom signin page:

import React, { useState, useEffect } from 'react'
import { getCsrfToken, getProviders, useSession } from "next-auth/react"
import { useRouter } from "next/router";
import { Alert, Col, Container, Row } from 'react-bootstrap';

export default function signin() {
  const [providers, setProviders] = useState(null);
  const [csrfToken, setCsrfToken] = useState(null);
  const router = useRouter()
  const { query } = useRouter();
  const { data: session, status } = useSession()

  useEffect(async() => {
    if (status === 'authenticated') {
      router.push('/');
    }

    if (providers === null)
      setProviders(await getProviders());
    if (csrfToken === null)
      setCsrfToken(await getCsrfToken());
    
    return () => {
      // cleanup
    }
  });

  return (
    <>
      {(<div className="signin">
        {query.error && (
          <div className="error">
            <p>{query.error}</p>
          </div>
        )}
        {Object.keys(providers).map((providerKey, i) => (
          <div key={providers[providerKey].id} className="provider">
            {providers[providerKey].type === "oauth" && (
              <form action={providers[providerKey].signinUrl} method="POST">
                <input type="hidden" name="csrfToken" value={csrfToken} />
                {callbackUrl && (
                  <input type="hidden" name="callbackUrl" value={callbackUrl} />
                )}
                <button type="submit" className="button">
                  Sign in with {providers[providerKey].name}
                </button>
              </form>
            )}
            {(providers[providerKey].type === "email" || providers[providerKey].type === "credentials") &&
              i > 0 &&
              Object.keys(providers)[i - 1].type !== "email" &&
              Object.keys(providers)[i - 1].type !== "credentials" && <hr />}
            {providers[providerKey].type === "email" && (
              <form action={providers[providerKey].signinUrl} method="POST">
                <input type="hidden" name="csrfToken" value={csrfToken} />
                <label for={`input-email-for-${providers[providerKey].id}-provider`}>
                  Email
                </label>
                <input
                  id={`input-email-for-${providers[providerKey].id}-provider`}
                  autoFocus
                  type="text"
                  name="email"
                  value={email}
                  placeholder="email@example.com"
                />
                <button type="submit">Sign in with {providers[providerKey].name}</button>
              </form>
            )}
            {providers[providerKey].type === "credentials" && (
              <form action={providers[providerKey].callbackUrl} method="POST">
                <input type="hidden" name="csrfToken" value={csrfToken} />
                {Object.keys(providers[providerKey].credentials).map((credential) => {
                  return (
                    <div key={`input-group-${providers[providerKey].id}`}>
                      <label
                        for={`input-${credential}-for-${providers[providerKey].id}-provider`}
                      >
                        {provider.credentials[credential].label || credential}
                      </label>
                      <input
                        name={credential}
                        id={`input-${credential}-for-${providers[providerKey].id}-provider`}
                        type={providers[providerKey].credentials[credential].type || "text"}
                        value={providers[providerKey].credentials[credential].value || ""}
                        placeholder={
                          providers[providerKey].credentials[credential].placeholder || ""
                        }
                      />
                    </div>
                  )
                })}
                <button type="submit">Sign in with {providers[providerKey].name}</button>
              </form>
            )}
            {(providers[providerKey].type === "email" || providers[providerKey].type === "credentials") &&
              i + 1 < providersToRender.length && <hr />}
          </div>
        ))}
      </div>)}
    </>
  )
}

What I have to resort doing--hard-coding in my credentials fields:

        <form action={props.providers['credentials'].callbackUrl} method="post" onSubmit={handleSubmit}>
          <input type="hidden" name="csrfToken" value={props.csrfToken} />
          <div className="form-group">
            <Form.Label>Email Address</Form.Label>
            <Form.Control type="email" name="email" placeholder="name@address.com" />
          </div>
          <div className="form-group">
            <Row>
              <Col>
                <Form.Label>Password</Form.Label>
              </Col>
              <Col xs="auto">
                <Link href="/password-reset" passHref>
                  <Form.Text as="a" className="small text-muted">
                    Forgot password?
                  </Form.Text>
                </Link>
              </Col>
            </Row>
            {/* Have to use 2 input groups because it messes with Chome password mgr */}
            { showPassword && (
              <InputGroup className="input-group-merge">
                <Form.Control name="password" type="input" defaultValue={password} placeholder="Enter your password" />
                <InputGroup.Text onClick={() => togglePassword()}>
                  <FeatherIcon icon="eye" size="1em" />
                </InputGroup.Text>
              </InputGroup>
            )}
            { !showPassword && (
              <InputGroup className="input-group-merge">
                <Form.Control name="password" type="password" defaultValue={password} placeholder="Enter your password" />
                <InputGroup.Text onClick={() => togglePassword()}>
                  <FeatherIcon icon="eye" size="1em" />
                </InputGroup.Text>
              </InputGroup>
            )}
          </div>
          <Button type="submit" size="lg" className="w-100 mb-3">
            Sign in
          </Button>
        </form>

Contributing 🙌🏽

Yes, I am willing to help implement this feature in a PR

[balazsorban44]

although I think the second option is way cleaner, but it looks like our default signin page indeed takes advantage of having access to the full provider configuration

https://github.com/nextauthjs/next-auth/blob/beta/src/core/pages/signin.tsx

so feel free to work on this

[stale]

Hi there! It looks like this issue hasn't had any activity for a while. It will be closed if no further activity occurs. If you think your issue is still relevant, feel free to comment on it to keep it open. (Read more at #912) Thanks!

[stale]

Hi there! It looks like this issue hasn't had any activity for a while. To keep things tidy, I am going to close this issue for now. If you think your issue is still relevant, just leave a comment and I will reopen it. (Read more at #912) Thanks!