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Merge pull request #350 from jphacks/develop
release 1.1.0
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66 changes: 66 additions & 0 deletions
66
app/src/main/java/dev/abelab/smartpointer/auth/JWTAuthorizationFilter.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package dev.abelab.smartpointer.auth; | ||
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| import java.io.IOException; | ||
| import java.util.Optional; | ||
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| import javax.servlet.FilterChain; | ||
| import javax.servlet.ServletException; | ||
| import javax.servlet.http.HttpServletRequest; | ||
| import javax.servlet.http.HttpServletResponse; | ||
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| import org.springframework.http.HttpHeaders; | ||
| import org.springframework.security.authentication.AuthenticationManager; | ||
| import org.springframework.security.authentication.UsernamePasswordAuthenticationToken; | ||
| import org.springframework.security.core.context.SecurityContextHolder; | ||
| import org.springframework.security.core.userdetails.UserDetailsService; | ||
| import org.springframework.security.web.authentication.www.BasicAuthenticationFilter; | ||
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| import dev.abelab.smartpointer.property.AuthProperty; | ||
| import io.jsonwebtoken.Jwts; | ||
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| /** | ||
| * 認可フィルタ | ||
| */ | ||
| public class JWTAuthorizationFilter extends BasicAuthenticationFilter { | ||
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| private final AuthProperty authProperty; | ||
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| private final UserDetailsService userDetailsService; | ||
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| public JWTAuthorizationFilter(final AuthenticationManager authenticationManager, final AuthProperty authProperty, | ||
| final UserDetailsService userDetailsService) { | ||
| super(authenticationManager); | ||
| this.authProperty = authProperty; | ||
| this.userDetailsService = userDetailsService; | ||
| } | ||
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| @Override | ||
| protected void doFilterInternal(final HttpServletRequest request, final HttpServletResponse response, final FilterChain chain) | ||
| throws IOException, ServletException { | ||
| final var authentication = this.getAuthentication(request); | ||
| SecurityContextHolder.getContext().setAuthentication(authentication); | ||
| chain.doFilter(request, response); | ||
| } | ||
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| private UsernamePasswordAuthenticationToken getAuthentication(final HttpServletRequest request) { | ||
| final var authorizationHeader = Optional.ofNullable(request.getHeader(HttpHeaders.AUTHORIZATION)).orElse(""); | ||
| if (!authorizationHeader.startsWith("Bearer ")) { | ||
| return null; | ||
| } | ||
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| try { | ||
| final var jwt = authorizationHeader.replace("Bearer ", ""); | ||
| final var subject = Jwts.parser() // | ||
| .setSigningKey(this.authProperty.getJwt().getSecret().getBytes()) // | ||
| .requireIssuer(this.authProperty.getJwt().getIssuer()) // | ||
| .parseClaimsJws(jwt) // | ||
| .getBody() // | ||
| .getSubject(); | ||
| final var principal = this.userDetailsService.loadUserByUsername(subject); | ||
| return new UsernamePasswordAuthenticationToken(principal, null, principal.getAuthorities()); | ||
| } catch (final Exception e) { | ||
| return null; | ||
| } | ||
| } | ||
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| } |
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