org.apache.james.jmap.JWTAuthenticationStrategy Maven / Gradle / Ivy
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package org.apache.james.jmap;
import java.util.stream.Stream;
import javax.inject.Inject;
import javax.servlet.http.HttpServletRequest;
import org.apache.james.jmap.exceptions.MailboxSessionCreationException;
import org.apache.james.jmap.exceptions.NoValidAuthHeaderException;
import org.apache.james.jmap.utils.HeadersAuthenticationExtractor;
import org.apache.james.jwt.JwtTokenVerifier;
import org.apache.james.mailbox.MailboxManager;
import org.apache.james.mailbox.MailboxSession;
import org.apache.james.mailbox.exception.MailboxException;
import com.google.common.annotations.VisibleForTesting;
public class JWTAuthenticationStrategy implements AuthenticationStrategy {
@VisibleForTesting static final String AUTHORIZATION_HEADER_PREFIX = "Bearer ";
private final JwtTokenVerifier tokenManager;
private final MailboxManager mailboxManager;
private final HeadersAuthenticationExtractor authenticationExtractor;
@Inject
@VisibleForTesting
JWTAuthenticationStrategy(JwtTokenVerifier tokenManager, MailboxManager mailboxManager, HeadersAuthenticationExtractor authenticationExtractor) {
this.tokenManager = tokenManager;
this.mailboxManager = mailboxManager;
this.authenticationExtractor = authenticationExtractor;
}
@Override
public MailboxSession createMailboxSession(HttpServletRequest httpRequest) throws MailboxSessionCreationException, NoValidAuthHeaderException {
Stream userLoginStream = extractTokensFromAuthHeaders(authenticationExtractor.authHeaders(httpRequest))
.filter(tokenManager::verify)
.map(tokenManager::extractLogin);
Stream mailboxSessionStream = userLoginStream
.map(l -> {
try {
return mailboxManager.createSystemSession(l);
} catch (MailboxException e) {
throw new MailboxSessionCreationException(e);
}
});
return mailboxSessionStream
.findFirst()
.orElseThrow(NoValidAuthHeaderException::new);
}
private Stream extractTokensFromAuthHeaders(Stream authHeaders) {
return authHeaders
.filter(h -> h.startsWith(AUTHORIZATION_HEADER_PREFIX))
.map(h -> h.substring(AUTHORIZATION_HEADER_PREFIX.length()));
}
}