From 72d6d5164792b41841dadf9062031b4c44b80385 Mon Sep 17 00:00:00 2001
From: RossTheRoss <mstrapp@protonmail.com>
Date: Sat, 6 Mar 2021 18:37:55 -0600
Subject: start hw4

---
 csci4131/hw4/strap012/passwordcheck.js | 42 ++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 csci4131/hw4/strap012/passwordcheck.js

(limited to 'csci4131/hw4/strap012/passwordcheck.js')

diff --git a/csci4131/hw4/strap012/passwordcheck.js b/csci4131/hw4/strap012/passwordcheck.js
new file mode 100644
index 0000000..97a2918
--- /dev/null
+++ b/csci4131/hw4/strap012/passwordcheck.js
@@ -0,0 +1,42 @@
+var input;
+var result = document.querySelector("span");
+window.addEventListener('DOMContentLoaded', (event) => {
+    input = document.getElementsByName("password")[0];
+});
+function checkStrength() {
+    var password = input.value;
+    var strength = 0;
+    if (password.length < 6) {
+        result.removeAttribute("class");
+        result.classList.add('short');
+        result.innerHTML = "Too short";
+        return;
+    }
+    if (password.length > 7) { strength += 1;}
+    // If password contains both lower and uppercase characters, increase strength value.
+    if (password.match(/([a-z].*[A-Z])|([A-Z].*[a-z])/)) { strength += 1;}
+    // If it has numbers and characters, increase strength value.
+    if (password.match(/([a-zA-Z])/) && password.match(/([0-9])/)) { strength += 1;}
+    // If it has one special character, increase strength value.
+    if (password.match(/([!,%,&,@,#,$,^,*,?,_,~])/)) { strength += 1;}
+    // If it has two special characters, increase strength value.
+    if (password.match(/(.*[!,%,&,@,#,$,^,*,?,_,~].*[!,%,&,@,#,$,^,*,?,_,~])/)) { strength += 1;}
+    // Calculated strength value, we can return messages
+    // If value is less than 2
+    if (strength < 2) {
+        result.removeAttribute("class");
+        result.classList.add('weak');
+        result.innerHTML = 'Weak';
+        return;
+    } else if (strength == 2) {
+        result.removeAttribute("class");
+        result.classList.add('good');
+        result.innerHTML = 'Good';
+        return;
+    } else {
+        result.removeAttribute("class");
+        result.classList.add('strong');
+        result.innerHTML = 'Strong';
+        return;
+    }
+}
-- 
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