From 7a73162607544204032aa66cce755daf21edebda Mon Sep 17 00:00:00 2001 From: Matt Strapp Date: Tue, 24 May 2022 11:18:46 -0500 Subject: Graduate Signed-off-by: Matt Strapp --- 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; + } +} -- cgit v1.2.3