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+package com.ctsi.utils;
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+
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+import org.apache.logging.log4j.util.Strings;
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+
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+import java.util.ArrayList;
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+import java.util.List;
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+import java.util.regex.Matcher;
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+import java.util.regex.Pattern;
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+
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+public class PasswordUtils {
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+ public static Boolean isValidPassword;
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+ public static String message;
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+
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+ public Boolean getIsValidPassword() {
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+ return isValidPassword;
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+ }
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+
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+ public String getMessage() {
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+ return message;
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+ }
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+
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+ //定义横向穷举
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+ private static final String[][] KEY_CODE = {
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+ {"`~·", "1！!", "2@@", "3#", "4$￥", "5%", "6^……", "7&", "8*", "9(（", "0）)", "-_", "=+"},
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+ {" ","qQ", "wW", "eE", "rR", "tT", "yY", "uU", "iI", "oO", "pP", "[{【", "]}】", "\\|、"},
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+ {" ","aA", "sS", "dD", "fF", "gG", "hH", "jJ", "kK", "lL", ";:", "\'\"’“"},
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+ {" ","zZ", "xX", "cC", "vV", "bB", "nN", "mM", ",《<", ".>》", "/?？"}
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+ };
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+
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+ public PasswordUtils(Boolean isValid, String message1) {
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+ isValidPassword = isValid;
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+ message = message1;
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+ }
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+
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+
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+ public static PasswordUtils isValid(String password,String userName) {
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+ // 密码长度至少8位
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+ if (password.length() < 8) {
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+ return new PasswordUtils(false, "密码最少8位");
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+ }
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+ // 密码长度最多20位
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+ if (password.length() > 20) {
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+ return new PasswordUtils(false, "密码最多20位");
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+ }
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+ // 密码必须包含英文和数字
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+ Pattern pattern = Pattern.compile("^(?=.*[a-zA-Z])(?=.*\\d).+$");
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+ Matcher matcher = pattern.matcher(password);
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+ if (!matcher.matches()) {
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+ return new PasswordUtils(false, "密码必须包含英文和数字");
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+ }
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+ // 不允许使用连续的字符串密码
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+ if (isSequential(password)) {
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+ return new PasswordUtils(false, "密码不能使用连续字符");
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+ }
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+ // 不允许使用连续的键盘密码
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+ if (isKeyBoardContinuousChar(password)) {
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+ return new PasswordUtils(false, "密码不能使用连续键盘字符");
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+ }
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+ // 判断密码不能包含用户名
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+ if (checkUserName(password, userName)) {
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+ return new PasswordUtils(false, "密码不应包含用户名信息");
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+ }
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+
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+ return new PasswordUtils(true, "");
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+ }
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+
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+ private static boolean isSequential(String password) {
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+ String lowercase = password.toLowerCase();
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+
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+ for (int i = 0; i < lowercase.length() - 2; i++) {
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+ char current = lowercase.charAt(i);
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+ char next1 = (char) (current + 1);
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+ char next2 = (char) (current + 2);
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+
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+ if (lowercase.charAt(i + 1) == next1 && lowercase.charAt(i + 2) == next2) {
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+ return true;
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+ }
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+ }
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+
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+ return false;
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+ }
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+
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+ /**
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+ * 是否包含3个及以上键盘连续字符
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+ *
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+ * @param password 待匹配的字符串
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+ */
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+ private static boolean isKeyBoardContinuousChar(String password) {
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+ if (Strings.isBlank(password)) {
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+ return false;
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+ }
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+ //找出给出的字符串，每个字符，在坐标系中的位置。
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+ char[] c = password.toCharArray();
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+ List<Integer> x = new ArrayList<Integer>();
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+ List<Integer> y = new ArrayList<Integer>();
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+ for (char temp : c) {
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+ toHere:
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+ for (int j = 0; j < KEY_CODE.length; j++) {
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+ for (int k = 0; k < KEY_CODE[j].length; k++) {
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+ String jk = KEY_CODE[j][k];
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+ if (jk.contains(String.valueOf(temp))) {
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+ x.add(j);
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+ y.add(k);
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+ break toHere;
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+ }
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+ }
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+ }
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+ }
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+ boolean flag = false;
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+ for (int i = 0; i < x.size() - 3; i++) {
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+ // 如果X一致，那么就是在一排
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+ //四者在同一行上
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+ if (x.get(i) .equals(x.get(i + 1)) && x.get(i + 1).equals(x.get(i + 2))
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+ && x.get(i + 2).equals(x.get(i + 3))) {
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+ if (y.get(i) > y.get(i + 3)) {
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+ if (y.get(i) - 1 == y.get(i + 1) && y.get(i) - 2 == y.get(i + 2) && y.get(i) - 3 == y.get(i + 3)) {
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+ flag = true;
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+ break;
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+ }
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+ } else {
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+ if (y.get(i) + 1 == y.get(i + 1) && y.get(i) + 2 == y.get(i + 2) && y.get(i) + 3 == y.get(i + 3)) {
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+ flag = true;
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+ break;
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+ }
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+ }
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+
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+ } else if (!x.get(i).equals(x.get(i + 1))
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+ && !x.get(i + 1).equals( x.get(i + 2))
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+ && !x.get(i).equals(x.get(i + 2))
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+ && !x.get(i).equals(x.get(i + 3))
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+ && !x.get(i + 1).equals(x.get(i + 3))
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+ && !x.get(i + 2).equals(x.get(i + 3))){
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+
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+
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+ //四者均不在同一行上,但是如果y相同，说明是一列
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+ if (y.get(i).equals(y.get(i + 1)) && y.get(i + 1).equals(y.get(i + 2))
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+ && y.get(i+ 2).equals(y.get(i + 3)) ) {
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+ flag = true;
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+ break;
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+ }
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+ if (y.get(i).equals(y.get(i + 1)+1) && y.get(i + 1).equals(y.get(i + 2)+1)
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+ && y.get(i+ 2).equals(y.get(i + 3)+1) ) {
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+ flag = true;
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+ break;
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+ }
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+ }
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+
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+ }
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+ return flag;
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+ }
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+
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+ public static Boolean checkUserName(String password, String userName){
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+ return password.toLowerCase().contains(userName.toLowerCase());
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+ }
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+}
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