Duo-Web-v2.min.js

!function(e,t){if("function"==typeof define&&define.amd)define([],t);else if("object"==typeof module&&module.exports)module.exports=t();else{var n=t();n._onReady(n.init),e.Duo=n}}(this,function(){var i,a,r,s,u,f,m,t=/^(?:AUTH|ENROLL)+\|[A-Za-z0-9\+\/=]+\|[A-Za-z0-9\+\/=]+$/,n=/^ERR\|[\w\s\.\(\)]+$/,d=/^DUO_OPEN_WINDOW\|/,c=["duo.com","duosecurity.com","duomobile.s3-us-west-1.amazonaws.com"];function l(){i="",a="sig_response",r=undefined,undefined,s=undefined,u=undefined,f=undefined,m=undefined}function h(e,t){var n=t||"https://www.duosecurity.com/docs/duoweb#3.-show-the-iframe";throw new Error("Duo Web SDK error: "+e+(n?"\nSee "+n+" for more information":""))}function g(e,t){return"dataset"in e?e.dataset[t]:e.getAttribute("data-"+function n(e){return e.replace(/([a-z])([A-Z])/,"$1-$2").toLowerCase()}(t))}function p(e,t,n,o){"addEventListener"in window?e.addEventListener(t,o,!1):e.attachEvent(n,o)}function v(e,t,n,o){"removeEventListener"in window?e.removeEventListener(t,o,!1):e.detachEvent(n,o)}function w(e){p(document,"DOMContentLoaded","onreadystatechange",e)}function _(e){v(document,"DOMContentLoaded","onreadystatechange",e)}function b(e){if(e){0===e.indexOf("ERR|")&&h(e.split("|")[1]),-1!==e.indexOf(":")&&2===e.split(":").length||h("Duo was given a bad token.  This might indicate a configuration problem with one of Duo's client libraries.");var t=e.split(":");return e,s=t[0],u=t[1],{sigRequest:e,duoSig:t[0],appSig:t[1]}}}function E(e){return Boolean(e.origin==="https://"+r&&"string"==typeof e.data&&(e.data.match(t)||e.data.match(n)||e.data.match(d)))}function y(e){var t;return e.iframe&&e.iframeContainer?h("Passing both `iframe` and `iframeContainer` arguments at the same time is not allowed."):e.iframe?function n(e){e&&!D(e)&&h("`iframe` only accepts an iframe element or the id of an iframe. To use a non-iframe element, use the `iframeContainer` argument.")}(t=C(e.iframe)):e.iframeContainer?function o(e){e&&D(e)&&h("`iframeContainer` only accepts a non-iframe element or the id of a non-iframe. To use a non-iframe element, use the `iframeContainer` argument on Duo.init().")}(t=C(e.iframeContainer)):t=document.getElementById("duo_iframe"),t}function C(e){return e.tagName?e:"string"==typeof e?document.getElementById(e):null}function D(e){return e&&e.tagName&&"iframe"===e.tagName.toLowerCase()}function A(){return["https://",r,"/frame/web/v1/auth?tx=",s,"&parent=",encodeURIComponent(document.location.href),"&v=2.8"].join("")}function O(e){if(E(e))if(e.data.match(d)){var t=e.data.substring("DUO_OPEN_WINDOW|".length);(function o(e){if(!e)return!1;var t=document.createElement("a");{if(t.href=e,"duotrustedendpoints:"===t.protocol)return!0;if("https:"!==t.protocol)return!1}for(var n=0;n<c.length;n++)if(t.hostname.endsWith("."+c[n])||t.hostname===c[n])return!0;return!1})(t)&&window.open(t,"_self")}else L(e.data),function n(e){v(window,"message","onmessage",e)}(O)}function R(e,t){if(r||(r=g(e,"host"))||h("No API hostname is given for Duo to use.  Be sure to pass a `host` parameter to Duo.init, or through the `data-host` attribute on the iframe element."),s&&u||(b(g(e,"sigRequest")),s&&u||h("No valid signed request is given.  Be sure to give the `sig_request` parameter to Duo.init, or use the `data-sig-request` attribute on the iframe element.")),""===i&&(i=g(e,"postAction")||i),"sig_response"===a&&(a=g(e,"postArgument")||a),D(e))(f=e).src=A();else{for(;e.firstChild;)e.removeChild(e.firstChild);for(var n in f=document.createElement("iframe"),t.src=A(),t)f.setAttribute(n,t[n]);e.appendChild(f)}!function o(e){p(window,"message","onmessage",e)}(O)}function L(e){var t=document.createElement("input");t.type="hidden",t.name=a,t.value=e+":"+u;var n=document.getElementById("duo_form");n||(n=document.createElement("form"),f.parentElement.insertBefore(n,f.nextSibling)),n.method="POST",n.action=i,n.appendChild(t),"function"==typeof m?m.call(null,n):n.submit()}return l(),{init:function N(e){l(),e&&(e.host&&(r=e.host),e.sig_request&&b(e.sig_request),e.post_action&&(i=e.post_action),e.post_argument&&(a=e.post_argument),"function"==typeof e.submit_callback&&(m=e.submit_callback));var t=y(e);t?R(t,e.iframeAttributes||{}):function o(t){var n=function(){var e=y(t);e||h('This page does not contain an iframe for Duo to use. Add an element like <iframe id="duo_iframe"></iframe> to this page.'),R(e,t.iframeAttributes||{}),_(n)};w(n)}(e),_(N)},_onReady:w,_parseSigRequest:b,_isDuoMessage:E,_doPostBack:L}});