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GUACAMOLE-362: Catch exceptions individually and display useful error messages.

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This commit is contained in:
Nick Couchman
2017-09-27 10:42:20 -04:00
committed by Nick Couchman
parent 3ce0980efc
commit 453a879876
1 changed files with 19 additions and 3 deletions
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22
extensions/guacamole-auth-cas/src/main/java/org/apache/guacamole/auth/cas/AuthenticationProviderService.java
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@@ -36,8 +36,10 @@ import java.security.spec.KeySpec;
import java.security.spec.PKCS8EncodedKeySpec;
import java.util.Arrays;
import java.util.Enumeration;
import javax.crypto.BadPaddingException;
import javax.crypto.Cipher;
import javax.crypto.IllegalBlockSizeException;
import javax.crypto.NoSuchPaddingException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import javax.xml.bind.DatatypeConverter;
@@ -193,9 +195,23 @@ public class AuthenticationProviderService {
return new String(cipherData);
}
catch (Throwable t) {
logger.debug("Failed to either convert Base64 or decrypt the password. CAS Password will not be available inside Guacamole. Exception is: {}", t);
throw new GuacamoleServerException("Failed to decrypt CAS ClearPass password.", t);
catch (BadPaddingException e) {
throw new GuacamoleServerException("Bad padding when decrypting cipher data.", e);
}
catch (IllegalBlockSizeException e) {
throw new GuacamoleServerException("Illegal block size while opening private key.", e);
}
catch (InvalidKeyException e) {
throw new GuacamoleServerException("Specified private key for ClearPass decryption is invalid.", e);
}
catch (NoSuchAlgorithmException e) {
throw new GuacamoleServerException("Unexpected algorithm for the private key.", e);
}
catch (NoSuchPaddingException e) {
throw new GuacamoleServerException("No such padding tryingto initialize cipher with private key.", e);
}
finally {
logger.debug("Yah.");
}
}