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Merge pull request #132 from bcgov/feature/java-17-upgrade
Java 17 upgrade
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73 changes: 73 additions & 0 deletions
73
...t-utils-api/src/main/java/ca/bc/gov/open/jag/documentutils/security/JwtAuthConverter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package ca.bc.gov.open.jag.documentutils.security; | ||
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| import org.springframework.beans.factory.annotation.Value; | ||
| import org.springframework.core.convert.converter.Converter; | ||
| import org.springframework.lang.NonNull; | ||
| import org.springframework.security.authentication.AbstractAuthenticationToken; | ||
| import org.springframework.security.core.GrantedAuthority; | ||
| import org.springframework.security.core.authority.SimpleGrantedAuthority; | ||
| import org.springframework.security.oauth2.jwt.Jwt; | ||
| import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationToken; | ||
| import org.springframework.security.oauth2.server.resource.authentication.JwtGrantedAuthoritiesConverter; | ||
| import org.springframework.stereotype.Component; | ||
|
|
||
| import java.util.Collection; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
| import java.util.stream.Collectors; | ||
| import java.util.stream.Stream; | ||
|
|
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| @Component | ||
| public class JwtAuthConverter implements Converter<Jwt, AbstractAuthenticationToken> { | ||
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|
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| private final JwtGrantedAuthoritiesConverter jwtGrantedAuthoritiesConverter = | ||
| new JwtGrantedAuthoritiesConverter(); | ||
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|
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| public static final String KEYCLOAK_PRINCIPLE_ATTRIBUTE = "preferred_username"; | ||
| public static final String KEYCLOAK_RESOURCE_ATTRIBUTE = "resource_access"; | ||
| public static final String KEYCLOAK_ROLE_ATTRIBUTE = "roles"; | ||
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| @Value("${jwt.auth.converter.resource-id}") | ||
| private String resourceId; | ||
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| @Override | ||
| public AbstractAuthenticationToken convert(@NonNull Jwt jwt) { | ||
| Collection<GrantedAuthority> authorities = Stream.concat( | ||
| jwtGrantedAuthoritiesConverter.convert(jwt).stream(), | ||
| extractResourceRoles(jwt).stream() | ||
| ).collect(Collectors.toSet()); | ||
|
|
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| return new JwtAuthenticationToken( | ||
| jwt, | ||
| authorities, | ||
| getPrincipleClaimName(jwt) | ||
| ); | ||
| } | ||
|
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| private String getPrincipleClaimName(Jwt jwt) { | ||
| return jwt.getClaim(KEYCLOAK_PRINCIPLE_ATTRIBUTE); | ||
| } | ||
|
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| private Collection<? extends GrantedAuthority> extractResourceRoles(Jwt jwt) { | ||
| Map<String, Object> resourceAccess; | ||
| Map<String, Object> resource; | ||
| Collection<String> resourceRoles; | ||
|
|
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| Collection<? extends GrantedAuthority> resourceRoles1; | ||
| if (jwt.getClaim(KEYCLOAK_RESOURCE_ATTRIBUTE) == null) { | ||
| return Set.of(); | ||
| } | ||
| resourceAccess = jwt.getClaim(KEYCLOAK_RESOURCE_ATTRIBUTE); | ||
|
|
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| if (resourceAccess.get(resourceId) == null) { | ||
| return Set.of(); | ||
| } | ||
| resource = (Map<String, Object>) resourceAccess.get(resourceId); | ||
|
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| resourceRoles = (Collection<String>) resource.get(KEYCLOAK_ROLE_ATTRIBUTE); | ||
| return resourceRoles | ||
| .stream() | ||
| .map(role -> new SimpleGrantedAuthority("ROLE_" + role)) | ||
| .collect(Collectors.toSet()); | ||
| } | ||
| } |
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