如何从Java中的WebClient获取访问令牌

问题描述

我们正在尝试从 oauth2resttemplate 升级到 WebClient 并尝试从 webclient 获取访问令牌，但无法获取。 getAccesstoken() 方法随 oauth2resttemplate 开箱即用，我们使用此方法获取访问令牌。

谁能告诉我有什么办法可以从网络客户端中获取访问令牌？

private ClientRegistrationRepository getClientRegistrationRepository() {
    return new InMemoryClientRegistrationRepository(ClientRegistration.withRegistrationId("myId")
            .tokenUri(getAuthenticationBaseUri())
            .clientSecret(getClientSecret())
            .clientId(getClientId())
            .clientAuthenticationMethod(ClientAuthenticationMethod.POST)
            .authorizationGrantType(AuthorizationGrantType.CLIENT_CREDENTIALS).build());
}

public OAuth2AuthorizedClientRepository getoAuth2AuthorizedClientRepository(
        ClientRegistrationRepository clientRegistrationRepository) {
    return new AuthenticatedPrincipalOAuth2AuthorizedClientRepository(
            new InMemoryOAuth2AuthorizedClientService(clientRegistrationRepository));
}

@Bean
public OAuth2AuthorizedClientManager authorizedClientManager() {

    OAuth2AuthorizedClientProvider authorizedClientProvider = OAuth2AuthorizedClientProviderBuilder.builder()
            .clientCredentials().build();
    ClientRegistrationRepository clientRegistrationRepository = getClientRegistrationRepository();
    DefaultOAuth2AuthorizedClientManager authorizedClientManager = new DefaultOAuth2AuthorizedClientManager(
            clientRegistrationRepository,getoAuth2AuthorizedClientRepository(clientRegistrationRepository));
    authorizedClientManager.setAuthorizedClientProvider(authorizedClientProvider);
    return authorizedClientManager;
}
@Bean
public WebClient webClient(OAuth2AuthorizedClientManager authorizedClientManager) {
    ServletoAuth2AuthorizedClientExchangeFilterFunction oauth2client =
            new ServletoAuth2AuthorizedClientExchangeFilterFunction(authorizedClientManager);
    oauth2client.setDefaultClientRegistrationId("myId");
    return WebClient.builder()
            .apply(oauth2client.oauth2Configuration())
            .build();
    
}

解决方法

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