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//-----------------------------------------------------------------------
// <copyright file="OpenIdRelyingPartyControlBase.js" company="Outercurve Foundation>
// Copyright (c) Outercurve Foundation. All rights reserved.
// This file may be used and redistributed under the terms of the
// Microsoft Public License (Ms-PL) http://opensource.org/licenses/ms-pl.html
// </copyright>
//-----------------------------------------------------------------------
// Options that can be set on the host page:
//window.openid_visible_iframe = true; // causes the hidden iframe to show up
//window.openid_trace = true; // causes lots of messages
trace = function(msg, color) {
if (window.openid_trace) {
if (!window.openid_tracediv) {
window.openid_tracediv = document.createElement("ol");
document.body.appendChild(window.openid_tracediv);
}
var el = document.createElement("li");
if (color) { el.style.color = color; }
el.appendChild(document.createTextNode(msg));
window.openid_tracediv.appendChild(el);
//alert(msg);
}
};
if (window.dnoa_internal === undefined) {
window.dnoa_internal = {};
}
/// <summary>Instantiates an object that provides string manipulation services for URIs.</summary>
window.dnoa_internal.Uri = function(url) {
this.originalUri = url.toString();
this.toString = function() {
return this.originalUri;
};
this.getAuthority = function() {
var authority = this.getScheme() + "://" + this.getHost();
return authority;
};
this.getHost = function() {
var hostStartIdx = this.originalUri.indexOf("://") + 3;
var hostEndIndex = this.originalUri.indexOf("/", hostStartIdx);
if (hostEndIndex < 0) { hostEndIndex = this.originalUri.length; }
var host = this.originalUri.substr(hostStartIdx, hostEndIndex - hostStartIdx);
return host;
};
this.getScheme = function() {
var schemeStartIdx = this.indexOf("://");
return this.originalUri.substr(this.originalUri, schemeStartIdx);
};
this.trimFragment = function() {
var hashmark = this.originalUri.indexOf('#');
if (hashmark >= 0) {
return new window.dnoa_internal.Uri(this.originalUri.substr(0, hashmark));
}
return this;
};
this.appendQueryVariable = function(name, value) {
var pair = encodeURI(name) + "=" + encodeURI(value);
if (this.originalUri.indexOf('?') >= 0) {
this.originalUri = this.originalUri + "&" + pair;
} else {
this.originalUri = this.originalUri + "?" + pair;
}
};
function KeyValuePair(key, value) {
this.key = key;
this.value = value;
}
this.pairs = [];
var queryBeginsAt = this.originalUri.indexOf('?');
if (queryBeginsAt >= 0) {
this.queryString = this.originalUri.substr(queryBeginsAt + 1);
var queryStringPairs = this.queryString.split('&');
for (var i = 0; i < queryStringPairs.length; i++) {
var equalsAt = queryStringPairs[i].indexOf('=');
left = (equalsAt >= 0) ? queryStringPairs[i].substring(0, equalsAt) : null;
right = (equalsAt >= 0) ? queryStringPairs[i].substring(equalsAt + 1) : queryStringPairs[i];
this.pairs.push(new KeyValuePair(unescape(left), unescape(right)));
}
}
this.getQueryArgValue = function(key) {
for (var i = 0; i < this.pairs.length; i++) {
if (this.pairs[i].key == key) {
return this.pairs[i].value;
}
}
};
this.getPairs = function() {
return this.pairs;
};
this.containsQueryArg = function(key) {
return this.getQueryArgValue(key);
};
this.getUriWithoutQueryOrFragement = function() {
var queryBeginsAt = this.originalUri.indexOf('?');
if (queryBeginsAt >= 0) {
return this.originalUri.substring(0, queryBeginsAt);
} else {
var fragmentBeginsAt = this.originalUri.indexOf('#');
if (fragmentBeginsAt >= 0) {
return this.originalUri.substring(0, fragmentBeginsAt);
} else {
return this.originalUri;
}
}
};
this.indexOf = function(args) {
return this.originalUri.indexOf(args);
};
return this;
};
/// <summary>Creates a hidden iframe.</summary>
window.dnoa_internal.createHiddenIFrame = function() {
var iframe = document.createElement("iframe");
if (!window.openid_visible_iframe) {
iframe.setAttribute("width", 0);
iframe.setAttribute("height", 0);
iframe.setAttribute("style", "display: none");
iframe.setAttribute("border", 0);
}
return iframe;
};
/// <summary>Redirects the current window/frame to the given URI,
/// either using a GET or a POST as required by the length of the URL.</summary>
window.dnoa_internal.GetOrPost = function(uri) {
var maxGetLength = 2 * 1024; // keep in sync with DotNetOpenAuth.Messaging.Channel.IndirectMessageGetToPostThreshold
uri = new window.dnoa_internal.Uri(uri);
if (uri.toString().length <= maxGetLength) {
window.location = uri.toString();
} else {
trace("Preparing to POST: " + uri.toString());
var iframe = window.dnoa_internal.createHiddenIFrame();
document.body.appendChild(iframe);
var doc = iframe.ownerDocument;
var form = doc.createElement('form');
form.action = uri.getUriWithoutQueryOrFragement();
form.method = "POST";
form.target = "_top";
for (var i = 0; i < uri.getPairs().length; i++) {
var input = doc.createElement('input');
input.type = 'hidden';
input.name = uri.getPairs()[i].key;
input.value = uri.getPairs()[i].value;
trace(input.name + " = " + input.value);
form.appendChild(input);
}
doc.body.appendChild(form);
form.submit();
}
};
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