Ankur Mhatre
e9381dc5be
Three modules on Spring Boot 4.1.1 with Spring Authorization Server 7.1.1: the provider
itself, a relying party, and an API that trusts its tokens. Client registration, PKCE,
a custom consent page and token customisation, with profiles that make each failure
reproducible.
Every claim is backed by captured output in docs/output/as-*.txt, regenerated by
authorization-server/scripts/run-all.sh. Notable findings, verified against the jars:
- OAuth2AuthorizationServerConfiguration.applyDefaultSecurity(HttpSecurity) was deleted
in 7.0, and both configuration classes moved into spring-security-config
- ClientSettings.requireProofKey flipped from false to true, on the authorization server
(1.5.8 -> 7.1.1) and on the OAuth2 client (6.5.1 -> 7.1.1)
- requireProofKey(false) does not make PKCE optional for a public client; the code
verifier is that client's only authentication at the token endpoint
- MediaTypeRequestMatcher(TEXT_HTML) matches Accept: */*, so the token endpoint answers
API callers with 302 -> /login unless setIgnoredMediaTypes(ALL) is called
Also renames the repository to spring-auth-demo and cross-links the new chapter set from
the existing documentation.
41 lines
1.8 KiB
Plaintext
41 lines
1.8 KiB
Plaintext
// The configuration every Spring Authorization Server tutorial written before
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// September 2025 tells you to write. It compiled against 1.5.8 and does not compile
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// against 7.1.1. Kept out of the build on purpose - scripts/compile-legacy.sh runs
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// javac against it and captures the real compiler output into
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// docs/output/as-legacy-compile-failure.txt.
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//
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// Three separate breakages in nine lines:
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// 1. the *Configuration class moved out of the SAS jar into spring-security-config
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// 2. the *Configurer class moved AND changed package shape
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// 3. applyDefaultSecurity(HttpSecurity) was deleted outright
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package com.ankurm.authserver.legacy;
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import org.springframework.security.oauth2.server.authorization.config.annotation.web.configuration.OAuth2AuthorizationServerConfiguration;
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import org.springframework.security.oauth2.server.authorization.config.annotation.web.configurers.OAuth2AuthorizationServerConfigurer;
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import org.springframework.context.annotation.Bean;
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import org.springframework.context.annotation.Configuration;
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import org.springframework.core.Ordered;
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import org.springframework.core.annotation.Order;
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import org.springframework.security.config.Customizer;
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import org.springframework.security.config.annotation.web.builders.HttpSecurity;
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import org.springframework.security.web.SecurityFilterChain;
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@Configuration
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public class LegacySasConfig {
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@Bean
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@Order(Ordered.HIGHEST_PRECEDENCE)
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public SecurityFilterChain authorizationServerSecurityFilterChain(HttpSecurity http)
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throws Exception {
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// The 1.x one-liner.
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OAuth2AuthorizationServerConfiguration.applyDefaultSecurity(http);
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http.getConfigurer(OAuth2AuthorizationServerConfigurer.class)
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.oidc(Customizer.withDefaults());
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return http.build();
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}
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}
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