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Reduce cyclomatic complexity by extracting method

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Signed-off-by: Marcel Mager (INST-IOT/ESB) <Marcel.Mager@bosch-si.com>
This commit is contained in:
Marcel Mager (INST-IOT/ESB)
2016-09-21 16:40:32 +02:00
parent 5215580cd7
commit a0c5915ce6
1 changed files with 31 additions and 17 deletions
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48
hawkbit-security-integration/src/main/java/org/eclipse/hawkbit/security/PreAuthTokenSourceTrustAuthenticationProvider.java
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@@ -87,7 +87,6 @@ public class PreAuthTokenSourceTrustAuthenticationProvider implements Authentica
return null;
}
boolean successAuthentication = false;
final PreAuthenticatedAuthenticationToken token = (PreAuthenticatedAuthenticationToken) authentication;
final Object credentials = token.getCredentials();
final Object principal = token.getPrincipal();
@@ -97,22 +96,7 @@ public class PreAuthTokenSourceTrustAuthenticationProvider implements Authentica
throw new BadCredentialsException("The provided principal and credentials are not match");
}
// The credentials may either be of type HeaderAuthentication or of type
// Collection<HeaderAuthentication> depending on the authentication mode
// in use (the latter is used in case of trusted reverse-proxy).
// It is checked whether principal equals credentials (respectively if
// credentials contains principal in case of collection) because we want
// to check if e.g. controllerId containing in the URL equals the
// controllerId in the special header set by the reverse-proxy which
// extracted the CN from the certificate.
if (principal.equals(credentials)) {
successAuthentication = checkSourceIPAddressIfNeccessary(tokenDetails);
} else if (Collection.class.isAssignableFrom(credentials.getClass())) {
final Collection<?> multiValueCredentials = (Collection<?>) credentials;
if (multiValueCredentials.contains(principal)) {
successAuthentication = checkSourceIPAddressIfNeccessary(tokenDetails);
}
}
boolean successAuthentication = calculateAuthenticationSuccess(principal, credentials, tokenDetails);
if (successAuthentication) {
final Collection<GrantedAuthority> controllerAuthorities = new ArrayList<>();
@@ -126,6 +110,36 @@ public class PreAuthTokenSourceTrustAuthenticationProvider implements Authentica
throw new BadCredentialsException("The provided principal and credentials are not match");
}
/**
*
* The credentials may either be of type HeaderAuthentication or of type
* Collection<HeaderAuthentication> depending on the authentication mode in
* use (the latter is used in case of trusted reverse-proxy). It is checked
* whether principal equals credentials (respectively if credentials
* contains principal in case of collection) because we want to check if
* e.g. controllerId containing in the URL equals the controllerId in the
* special header set by the reverse-proxy which extracted the CN from the
* certificate.
*
* @param principal
* @param credentials
* @param tokenDetails
* @return
*/
private boolean calculateAuthenticationSuccess(Object principal, Object credentials, Object tokenDetails) {
boolean successAuthentication = false;
if (principal.equals(credentials)) {
successAuthentication = checkSourceIPAddressIfNeccessary(tokenDetails);
} else if (Collection.class.isAssignableFrom(credentials.getClass())) {
final Collection<?> multiValueCredentials = (Collection<?>) credentials;
if (multiValueCredentials.contains(principal)) {
successAuthentication = checkSourceIPAddressIfNeccessary(tokenDetails);
}
}
return successAuthentication;
}
private boolean checkSourceIPAddressIfNeccessary(final Object tokenDetails) {
boolean success = authorizedSourceIps == null;