public String generateSecureString()

in streampipes-user-management/src/main/java/org/apache/streampipes/user/management/util/SecureStringGenerator.java [27:45]

• 16 lines of code
• 19 McCabe index (conditional complexity)

  public String generateSecureString(int length) {
    // filter for characters allowed in URLs
    CharacterPredicate includeChars = ch -> (
        (ch >= 'a' && ch <= 'z')
            || (ch >= 'A' && ch <= 'Z')
            || (ch >= '0' && ch <= '9')
            || ch == '-' || ch == '_' || ch == '.'
            || ch == '!' || ch == '*' || ch == '(' || ch == ')'
            || ch == ':' || ch == '@' || ch == '='
            || ch == '+' || ch == '$' || ch == ','
    );
    // allowing all ASCII-characters from decimal id 33 to 125
    // see https://www.cs.cmu.edu/~pattis/15-1XX/common/handouts/ascii.html for full list
    var pwdGenerator = new RandomStringGenerator.Builder().usingRandom(new SecureRandom()::nextInt)
        .withinRange(33, 125)
        .filteredBy(includeChars)
        .build();
    return pwdGenerator.generate(length);
  }