in aws-serverless-java-container-core/src/main/java/com/amazonaws/serverless/proxy/internal/servlet/AwsCookieProcessor.java [225:239]
private boolean isValidCookieValue(String value) {
int start = 0;
int end = value.length();
boolean quoted = end > 1 && value.charAt(0) == '"' && value.charAt(end - 1) == '"';
char[] chars = value.toCharArray();
for (int i = start; i < end; i++) {
if (quoted && (i == start || i == end - 1)) {
continue;
}
char c = chars[i];
if (!isValidCookieChar(c)) return false;
}
return true;
}