Package software.amazon.awssdk.crt.utils

Class PemUtils

  • public class PemUtils
extends java.lang.Object
    Utility Class used for Cleaning Up and Sanity Checking PEM formatted Strings for Validity.

    • Method Summary

      All Methods Static Methods Concrete Methods 
      Modifier and Type Method Description
      static java.lang.String cleanUpPem​(java.lang.String pem)
      Cleanup Function that removes most formatting and copy/paste mistakes from PEM formatted Strings.
      static java.lang.String removeInvalidPemChars​(java.lang.String pem)
      Removes characters that are not valid in PEM format (non-base64 chars).
      static boolean safeSanityCheck​(java.lang.String pem, int maxChainLength, java.lang.String expectedPemTypeSubString)
      Returns false if there is a problem with a PEM instead of throwing an Exception.
      static void sanityCheck​(java.lang.String pem, int maxChainLength, java.lang.String expectedPemTypeSubString)
      Performs various sanity checks on a PEM Formatted String, and should be tolerant of common minor mistakes in formatting.

      • Methods inherited from class java.lang.Object

        equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Method Detail

      • removeInvalidPemChars

        public static java.lang.String removeInvalidPemChars​(java.lang.String pem)
        Removes characters that are not valid in PEM format (non-base64 chars). No other cleanup is done.
        Parameters:
        pem - The input "dirty" PEM
        Returns:
        The output "clean" PEM

      • cleanUpPem

        public static java.lang.String cleanUpPem​(java.lang.String pem)
        Cleanup Function that removes most formatting and copy/paste mistakes from PEM formatted Strings.
        Parameters:
        pem - The input "dirty" PEM
        Returns:
        The output "clean" PEM

      • sanityCheck

        public static void sanityCheck​(java.lang.String pem,
                               int maxChainLength,
                               java.lang.String expectedPemTypeSubString)
        Performs various sanity checks on a PEM Formatted String, and should be tolerant of common minor mistakes in formatting.
        Parameters:
        pem - The PEM or PEM Chain to validate.
        maxChainLength - The max number of PEM encoded objects in the String.
        expectedPemTypeSubString - A Substring that is expected to be present in the PEM Type.
        Throws:
        java.lang.IllegalArgumentException - if there is a problem with the PEM formatted String.

      • safeSanityCheck

        public static boolean safeSanityCheck​(java.lang.String pem,
                                      int maxChainLength,
                                      java.lang.String expectedPemTypeSubString)
        Returns false if there is a problem with a PEM instead of throwing an Exception.
        Parameters:
        pem - The PEM to sanity check.
        maxChainLength - The Max number of PEM Objects in the PEM String
        expectedPemTypeSubString - A Substring that is expected to be present in the PEM Type.
        Returns:
        True if the PEM passes all sanity Checks, false otherwise.