From 556600ceeda09b529e1b20bdbe2769ec4abfc4a1 Mon Sep 17 00:00:00 2001
From: mertsincan <sincan.mert@gmail.com>
Date: Fri, 30 Oct 2020 16:23:26 +0300
Subject: [PATCH] Fixed #1623 - Add mediumRegex and strongRegex property to
 Password

---
 src/components/password/Password.js | 80 ++++++++++++++---------------
 1 file changed, 39 insertions(+), 41 deletions(-)

diff --git a/src/components/password/Password.js b/src/components/password/Password.js
index 752ff9a854..950f67450a 100644
--- a/src/components/password/Password.js
+++ b/src/components/password/Password.js
@@ -18,6 +18,8 @@ export class Password extends Component {
         weakLabel: 'Weak',
         mediumLabel: 'Medium',
         strongLabel: 'Strong',
+        mediumRegex: '^(((?=.*[a-z])(?=.*[A-Z]))|((?=.*[a-z])(?=.*[0-9]))|((?=.*[A-Z])(?=.*[0-9])))(?=.{6,})',
+        strongRegex: '^(?=.*[a-z])(?=.*[A-Z])(?=.*[0-9])(?=.{8,})',
         feedback: true,
         tooltip: null,
         tooltipOptions: null,
@@ -31,6 +33,8 @@ export class Password extends Component {
         weakLabel: PropTypes.string,
         mediumLabel: PropTypes.string,
         strongLabel:PropTypes.string,
+        mediumRegex: PropTypes.string,
+        strongRegex: PropTypes.string,
         feedback: PropTypes.bool,
         tooltip: PropTypes.string,
         tooltipOptions: PropTypes.object,
@@ -55,6 +59,8 @@ export class Password extends Component {
         this.onOverlayExit = this.onOverlayExit.bind(this);
 
         this.id = this.props.id || UniqueComponentId();
+        this.mediumCheckRegExp = new RegExp(this.props.mediumRegex);
+        this.strongCheckRegExp = new RegExp(this.props.strongRegex);
     }
 
     showOverlay() {
@@ -103,29 +109,30 @@ export class Password extends Component {
 
     onKeyup(e) {
         if(this.props.feedback) {
-            let value = e.target.value,
-            label = null,
-            meterPos = null;
+            let value = e.target.value;
+            let label = null;
+            let meterPos = null;
 
-            if(value.length === 0) {
-                label = this.props.promptLabel;
-                meterPos = '0px 0px';
-            }
-            else {
-                var score = this.testStrength(value);
-
-                if(score < 30) {
+            switch (this.testStrength(value)) {
+                case 1:
                     label = this.props.weakLabel;
                     meterPos = '0px -10px';
-                }
-                else if(score >= 30 && score < 80) {
+                    break;
+
+                case 2:
                     label = this.props.mediumLabel;
                     meterPos = '0px -20px';
-                }
-                else if(score >= 80) {
+                    break;
+
+                case 3:
                     label = this.props.strongLabel;
                     meterPos = '0px -30px';
-                }
+                    break;
+
+                default:
+                    label = this.props.promptLabel;
+                    meterPos = '0px 0px';
+                    break;
             }
 
             this.setState({
@@ -144,33 +151,16 @@ export class Password extends Component {
     }
 
     testStrength(str) {
-        let grade = 0;
-        let val;
-
-        val = str.match('[0-9]');
-        grade += this.normalize(val ? val.length : 1/4, 1) * 25;
-
-        val = str.match('[a-zA-Z]');
-        grade += this.normalize(val ? val.length : 1/2, 3) * 10;
+        let level = 0;
 
-        val = str.match('[!@#$%^&*?_~.,;=]');
-        grade += this.normalize(val ? val.length : 1/6, 1) * 35;
+        if (this.strongCheckRegExp.test(str))
+            level = 3;
+        else if (this.mediumCheckRegExp.test(str))
+            level = 2;
+        else if (str.length)
+            level = 1;
 
-        val = str.match('[A-Z]');
-        grade += this.normalize(val ? val.length : 1/6, 1) * 30;
-
-        grade *= str.length / 8;
-
-        return grade > 100 ? 100 : grade;
-    }
-
-    normalize(x, y) {
-        let diff = x - y;
-
-        if(diff <= 0)
-            return x / y;
-        else
-            return 1 + 0.5 * (x / (x + y/4));
+        return level;
     }
 
     bindScrollListener() {
@@ -222,6 +212,14 @@ export class Password extends Component {
             else
                 this.renderTooltip();
         }
+
+        if (prevProps.mediumRegex !== this.props.mediumRegex) {
+            this.mediumCheckRegExp = new RegExp(this.props.mediumRegex);
+        }
+
+        if (prevProps.strongRegex !== this.props.strongRegex) {
+            this.strongCheckRegExp = new RegExp(this.props.strongRegex);
+        }
     }
 
     componentWillUnmount() {