如何使用自定义策略使login_hint与社交IDP一起使用 [英] how to get login_hint working with social IDP using custom policy

问题描述

我们正在使用自定义的登录/签名策略，并将Facebook，LinkedIn，Twitter，Google +配置为社交IDP.

We are using custom SignIn/SigUp Policy, configured Facebook, LinkedIn, Twitter, Google+ as Social IDP's.

我们建立了一个自定义页面，我们在该页面中向用户询问他们的电子邮件，然后使用domain_hint将他们重定向到特定的IDP页面(我们以此为基础构建了逻辑)，例如:domain_hint=facebook.com.

We have built a custom page where we ask the user for their email and then redirect them to the particular IDP page (we have logic built around this) using domain_hint, for example: domain_hint=facebook.com.

我想将用户在第一步中输入的电子邮件地址和domain_hint一起传递给login_hint，这样，当用户重定向到IDP页面(Facebook. com).

I want to pass the email address entered by the user in the first step in login_hint along with domain_hint so that the user doesn't have to enter the email once again when redirected to the IDP Page (Facebook.com).

我从ID B的AD B2C文档中获取了代码，并按如下所示将其添加到了不起作用的Facebook，Linkedin，Twitter等声明提供程序中

I took the code from the AD B2C documentation for IDP's and added as below in claims provider for Facebook, Linkedin, Twitter etc. which is not working

<InputClaims>
    <InputClaim ClaimTypeReferenceId="logonIdentifier" PartnerClaimType="login_hint" DefaultValue="{OIDC:LoginHint}" />
</InputClaims>
<OutputClaims>
    <OutputClaim ClaimTypeReferenceId="logonIdentifier" Required="true" />
</OutputClaims>

有没有办法实现这一目标?

Is there a way/option to achieve this?

推荐答案

对于上述身份提供商，Google是唯一支持登录提示的提供商，因此，如果将domain_hint和login_hint参数添加到Azure中广告B2C请求:

For the above identity providers, Google is the only one that supports a login hint, so if you add the domain_hint and login_hint parameters to the Azure AD B2C request:

https://login.microsoftonline.com/te/<tenant>/<policy>/oauth2/v2.0/authorize?...&domain_hint=google.com&login_hint=[e-mail]

然后，您可以按照以下方式将"login_hint"参数从Azure AD B2C传递到Google终结点:

then you can pass the "login_hint" parameter through from Azure AD B2C to the Google endpoint as follows:

1)创建一个"loginHint"声明类型:

1) Create a "loginHint" claim type:

<ClaimType Id="loginHint">
  <DisplayName>Login Hint</DisplayName>
  <DataType>string</DataType>
</ClaimType>

2)将"loginHint"输入声明添加到Google技术资料中:

2) Add the "loginHint" input claim to the Google technical profile:

<ClaimsProvider>
  <Domain>google.com</Domain>
  <DisplayName>Google Account</DisplayName>
  <TechnicalProfiles>
    <TechnicalProfile Id="GoogleAccount-OAuth2">
      <DisplayName>Google Account</DisplayName>
      <Protocol Name="OAuth2" />
      ...
      <InputClaims>
        <InputClaim ClaimTypeReferenceId="loginHint" PartnerClaimType="login_hint" DefaultValue="{OIDC:LoginHint}" />
      </InputClaims>
      ...
    </TechnicalProfile>
  </TechnicalProfiles>
</ClaimsProvider>

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