garydgregory commented on code in PR #581:
URL:
https://github.com/apache/httpcomponents-client/pull/581#discussion_r1768577181
##########
httpclient5/src/main/java/org/apache/hc/client5/http/ssl/SSLConnectionSocketFactory.java:
##########
@@ -456,4 +461,33 @@ void verifySession(
}
}
+ /**
+ * Sanitizes an X500Principal by escaping control characters.
+ * <p>
+ * This method processes the RFC2253 format of the X500Principal and
escapes
+ * any ISO control characters to avoid issues in logging or other outputs.
+ * Control characters are replaced with their escaped hexadecimal
representation.
+ * </p>
+ *
+ * <p><strong>Note:</strong> For testing purposes, this method is
package-private
+ * to allow access within the same package. This allows tests to verify
the correct
+ * behavior of the sanitization process.</p>
+ *
+ * @param principal the X500Principal to sanitize
+ * @return the sanitized string representation of the X500Principal
+ */
+ @Internal
+ String sanitizeX500Principal(final X500Principal principal) {
+ final String principalValue = principal.getName(X500Principal.RFC2253);
+ final StringBuilder sanitizedPrincipal = new StringBuilder();
Review Comment:
You could pre-allocate the `StringBuilder` to the size of the
`principalValue`.
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