JavaScript - Jquery Iframe Auto Height Adjust For Cross Domain Use

Anyone know if there is a way to get the title string from an iframe src coming from another domain?

Hi,
I'm currently developing an application (in php) for a website that is to be integrated into their website using iframe. It's imperative that it's done using iframe as I am placing the application on my own server.

In short, the iframe element appears on my customer's website (lets say customer.com) - something like this:

<iframe width="440" height="500" frameborder="0" scrolling="no" src="http://www.myserver.com/index.php"></iframe>

However, it's quite imperative that my application (i.e. what's located at myserver.com/index.php) only can be shown in iframe elements placed at customer.com. That is: I want to make sure that a similar iframe element from another web server (lets say anothercompany.com) has the possibility to iframe my application located at myserver.com.

My first idea was to check this using php in my application: by looking at HTTP_REFERER, I can get the location of the page containing the iframe element. That solution seems to work fine. However, as is well known, it is possible to spoof and even hide the http_referer server variable. Still, as I only want to make sure that no other server accesses the application through an iframe object, it should perhaps be an okay solution - if someone wants to access the application from their own browser, and spoofing the HTTP_REFERER variable, I'm fine with that. (I just want to make sure that only customer.com, and not anothercompany.com, can integrate the application with an iframe).

The other thought I had was to use javascript and DOM stuff. The idea is then to use javascript to check that the application has a parent frame and that its location is at customer.com. However, as we are dealing with two different domains here, I'm having a lot of problems getting the document.parent.location variable - it's not allowed!

Any solutions on how to do this in javascript? Any way to bypass the obstacle above? Or perhaps javascript isn't the best way?

My guess is that there is a solution out there somewhere - I guess there are a lot of ads that are integrated into various websites using iframe, and where the actual content (i.e. what's inside the iframe element) can check which server is embedding the ad through an iframe element.

I'm facing an issue with fetching the page URL from an IFRAME with cross domain.

Is there any approach/ any ways to achieve this?

Hi there,

I am looking to retrieve the hieght of the browser window, so that when my index page loads, it will automatically resize an iframe that i have to fill the remaining hieght of the window.



The image above shows the location of the iframe, and the problem that i am facing. Currently, the height of the iframe is hardcoded. On my laptop screen the iframe looks as if it fills the remaining 100% of the height. However, when viewing this page on my 17in monitor, there is now an ugly white space. I would like to be able to dynamically change the height of the iframe, so that it can fill up that white space with more iframe height.

(1) shows the current hard-coded height of the iframe, and (2) shows the height that i would like to be able to retrieve using javascript.

If i can get this value, then i assume all i then need to do is to substract the number of pixels that are taken up by the image, and the two nav bars at the top. Hopefully this would then give me the iframe filling up all available white space.

The code i have currently to set the iframe height is:

Code:

	<script type="text/javascript">
	
	function setIframeHeight(iframeName) {
	  var iframeWin = window.frames[iframeName];
	  var iframeEl = document.getElementById? document.getElementById(iframeName): document.all? document.all[iframeName]: null;
	  if ( iframeEl && iframeWin ) {
	  iframeEl.style.height = "auto"; // helps resize (for some) if new doc shorter than previous
	  //var docHt = getDocHeight(iframeWin.document);
	  // need to add to height to be sure it will all show
	  iframeEl.style.height = 100 + "%";
	  alert(document.height);
	  }
	}	
	</script>
	
</head>

<body onload="setIframeHeight('ifrm');">

So, I am now able to change the height of the iframe when the page loads, i just now need to hopefully be able to get the value from (2) in the image, to make it all work out nicely.

Is this possible? Any help or advice will be greatly appreciated!

Thanks in advance

Hello,

I am trying to create an imageuploader for my forum hosted on domain forum.com (fictional domain name)

The image uploader is hosted on domain uploader.com (fictional domain name)

When the uploader is done i want info to be passed from the uploader to the texteditor on the forum using javascript.

I tried everything i could think of with document.getElementById but to no avail.

The element on the forum is clickableEditor.textarea

Is it possible and if so, can someone please help me out?

Hey I was wondering, I have a box with tabs at the bottom. As you click the tabs, different stories appear in the box. However, I have the box in a fixed length. So if stories are longer, then they disappear beneath the visible line of the box. When I had it auto-adjusting though, the box would change based on the story I was clicking on. It gets weird.

Is there a way to have the box auto-adjust based on the largest amount of text and have it stay that height regardless on what story you pick?

I hope this makes sense. Thanks!

KZ

Hi,

I have searched and searched...

Is there a way of using the Ajax httpRequest cross domain?

thanks

hi, in my page he http://www.mypubspace.com/dashtest/order.html

I would like this working Cross Domain and output in JSON?

Can anyone please help me?

thanks

code:
Code:

<html>
<body>

<script language="javascript" type="text/javascript">
<!-- 
//Browser Support Code
function ajaxFunction(){
	var townRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		townRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			townRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				townRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	townRequest.onreadystatechange = function(){
		if(townRequest.readyState == 4){
			var ajaxDisplay = document.getElementById('ajaxDiv');
			ajaxDisplay.innerHTML = townRequest.responseText;
		}
	}
	var name = document.getElementById('name').value;
	var county = document.getElementById('county').value;
	var town = document.getElementById('town').value;
	var queryString = "?name=" + name + "&county=" + county + "&town=" + town;
	//Add the following line
	townRequest.open("GET", "http://www.mypubspace.com/dashtest/townpubs.php" + queryString, true);
	townRequest.send(null);
}

function countyFunction(){
	var countyRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		countyRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			countyRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				countyRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	countyRequest.onreadystatechange = function(){
		if(countyRequest.readyState == 4){
			var ajaxDisplay = document.getElementById('ajaxDiv');
			ajaxDisplay.innerHTML = countyRequest.responseText;
		}
	}
	var name = document.getElementById('name').value;
	var county = document.getElementById('county').value;
	var town = document.getElementById('town').value;
	var queryString = "?name=" + name + "&county=" + county + "&town=" + town;
	//Add the following line
	countyRequest.open("GET", "http://www.mypubspace.com/dashtest/countypubs.php" + queryString, true);
	countyRequest.send(null);
}



function townlistFunction(){
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		
		
	 if(ajaxRequest.readyState == 4){
			var ajaxDisplay = document.getElementById('ajaxTownlist');
			var county = document.getElementById('county').value;
			var town = document.getElementById('town').value;
			ajaxDisplay.innerHTML = ajaxRequest.responseText;
		}
	}
	
	ajaxRequest.open("GET", "http://www.mypubspace.com/dashtest/town-select.php", true);
	ajaxRequest.send(null); 
}

function countylistFunction(){
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){
			var ajaxDisplay = document.getElementById('ajaxCountylist');
			ajaxDisplay.innerHTML = ajaxRequest.responseText;
		}
	}
	
	ajaxRequest.open("GET", "http://www.mypubspace.com/dashtest/county-select.php", true);
	ajaxRequest.send(null); 
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

//-->
</script>

<a href="#" onClick="townlistFunction();">show towns list</a>
<a href="#" onClick="countylistFunction();">show counties list</a>
<form name='myForm'>
<div id="ajaxTownlist"></div>
<div id="ajaxCountylist"></div>
<input type='hidden' id='name' />
<input type='hidden' id='county' />
<input type='hidden' id='town' />
</form>
<div id='ajaxDiv'></div>
</body>
</html>

hi,

my working project (needs a proxy): http://www.mypubspace.com/dashtest/order.html

currently working through this tutorial, I have setup a proxy and saved it as proxy.php
http://www.wait-till-i.com/2010/01/1...query-and-yql/


I just need to put this piece of code in my JavaScript but not sure where?!

Code:

var url = $(this).attr('href');
    if(url.match('^http')){
      url = 'proxy.php?url=' + url;
    }

here is my project code
Code:

<html>
<body>

<script language="javascript" type="text/javascript">
<!-- 
//Browser Support Code
function ajaxFunction(){
	var townRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		townRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			townRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				townRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	townRequest.onreadystatechange = function(){
		if(townRequest.readyState == 4){
			var ajaxDisplay = document.getElementById('ajaxDiv');
			ajaxDisplay.innerHTML = townRequest.responseText;
		}
	}
	var name = document.getElementById('name').value;
	var county = document.getElementById('county').value;
	var town = document.getElementById('town').value;
	var queryString = "?name=" + name + "&county=" + county + "&town=" + town;
	//Add the following line
	townRequest.open("GET", "http://www.mypubspace.com/dashtest/townpubs.php" + queryString, true);
	townRequest.send(null);
}

function countyFunction(){
	var countyRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		countyRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			countyRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				countyRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	countyRequest.onreadystatechange = function(){
		if(countyRequest.readyState == 4){
			var ajaxDisplay = document.getElementById('ajaxDiv');
			ajaxDisplay.innerHTML = countyRequest.responseText;
		}
	}
	var name = document.getElementById('name').value;
	var county = document.getElementById('county').value;
	var town = document.getElementById('town').value;
	var queryString = "?name=" + name + "&county=" + county + "&town=" + town;
	//Add the following line
	countyRequest.open("GET", "http://www.mypubspace.com/dashtest/countypubs.php" + queryString, true);
	countyRequest.send(null);
}



function townlistFunction(){
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		
		
	 if(ajaxRequest.readyState == 4){
			var ajaxDisplay = document.getElementById('ajaxTownlist');
			var county = document.getElementById('county').value;
			var town = document.getElementById('town').value;
			ajaxDisplay.innerHTML = ajaxRequest.responseText;
		}
	}
	
	ajaxRequest.open("GET", "http://www.mypubspace.com/dashtest/town-select.php", true);
	ajaxRequest.send(null); 
}

function countylistFunction(){
	var ajaxRequest;  // The variable that makes Ajax possible!
	
	try{
		// Opera 8.0+, Firefox, Safari
		ajaxRequest = new XMLHttpRequest();
	} catch (e){
		// Internet Explorer Browsers
		try{
			ajaxRequest = new ActiveXObject("Msxml2.XMLHTTP");
		} catch (e) {
			try{
				ajaxRequest = new ActiveXObject("Microsoft.XMLHTTP");
			} catch (e){
				// Something went wrong
				alert("Your browser broke!");
				return false;
			}
		}
	}
	// Create a function that will receive data sent from the server
	ajaxRequest.onreadystatechange = function(){
		if(ajaxRequest.readyState == 4){
			var ajaxDisplay = document.getElementById('ajaxCountylist');
			ajaxDisplay.innerHTML = ajaxRequest.responseText;
		}
	}
	
	ajaxRequest.open("GET", "http://www.mypubspace.com/dashtest/county-select.php", true);
	ajaxRequest.send(null); 
}

function MM_jumpMenu(targ,selObj,restore){ //v3.0
  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
  if (restore) selObj.selectedIndex=0;
}

//-->
</script>

<a href="#" onClick="townlistFunction();">show towns list</a>
<a href="#" onClick="countylistFunction();">show counties list</a>
<form name='myForm'>
<div id="ajaxTownlist"></div>
<div id="ajaxCountylist"></div>
<input type='hidden' id='name' />
<input type='hidden' id='county' />
<input type='hidden' id='town' />
</form>
<div id='ajaxDiv'></div>
</body>
</html>

please help?!

Hi All,

I'm writing this post as there are alot of questions about Cross Domain AJAX request so i'm going to give an overview of the different ways and the best practices

Ok so there are 2 systems for this the key difference is how much control you have.

If you control the Requested site you can use Javascript Safe calling to that server, this is all done via a few Headers so to do this

all you have to do is send some headers from the page your requesting.

The first is tell the browser that the site the AJAX call is coming from is allowed this is done with

"Access-Control-Allow-Origin: "
Now this can be set to a wild card and allow all sites to access the page

"Access-Control-Allow-Origin: *"

Or you can say only a set server can
"Access-Control-Allow-Origin: mydomain.com"

This header allows GET requests but what if you need to post data to the site well you need to tell the browser that POST data is allowed to be sent

Access-Control-Allow-Headers: GET,POST

Now we run into the problem that sending post data the browser will send the header Content-Type but your server has not told the browser its allowed to send that header so
Access-Control-Allow-Methods: Content-Type

Will allow the header to be sent if you wish to send any other custom headers you have to make your server tell the browser its allowed to send them this is done by adding them as a comma delimited list via the "Access-Control-Allow-Headers" header

Now if you dont have control well then your back to using a script that is local to the AJAX script then sending the data via cURL or another connection method to the remote server

Please note i will be uploading examples in php later.

Example Scripts

Remote Server
PHP Code:
header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Headers: GET,POST");
header("Access-Control-Allow-Methods: Content-Type");
$output = array(
    'response' => 'hello world!',
    '_GET' => $_GET,
    '_POST' => $_POST,
);
echo json_encode($output); 


Client Script -- please note built for Google Chrome
PHP Code:
var getExample = new XMLHttpRequest();
getExample.open("GET", "http://www.test.com/remote.php?test=set", true);
getExample.onreadystatechange = function(requestHandle){ console.debug(requestHandle); }
getExample.send(null);

var postExample = new XMLHttpRequest();
postExample.open("POST", "http://www.test.com/remote.php?test=set", true);
postExample.onreadystatechange = function(requestHandle){ console.debug(requestHandle); }
postExample.setRequestHeader("Content-Type", "x-www-urlencoded-data");// this is sent to prevent the requested server not saving post data
postExample.send("?set=test"); 


If you are unable to Edit files on the remote server you can use the link provided by Kor
http://www.troywolf.com/articles/

This will give you all the information you require to use php to talk to the remote server (basic proxy in effect)

Hi guys.

I want to create login form similar like facebook login which web owner can put the script and it will become login for their web and also it will auto register at their web.

I believe it need to use javascript because javascript is cross platform.

Can someone give me a clue for me to start on?

I've been working on a site where the content is displayed in an iframe. The iframe content is on a different domain than the iframe itself.

I've already got around the cross-domain problems by creating a file on the parent domain that the iframe content references via another iframe. (which uses parent.parent to skip the permissions issue)

That was all fine and pressing back and forward in the browser navigated back and forward in the iframe (at least in FF, not 100% sure about other browsers)

Then the client wasn't happy that the url in the browser didn't change and pages couldn't be bookmarked. So I created a solution where the parent.parent.location.href was changed to be domain.com/#/path/to/iframecontent.php so that pages could be bookmarked, that works fine but now back and forward don't work, or more specifically the url changes correctly but the iframe content doesn't go back.

Please try a search on my webpage (search box is located at top of sidebar on the left): http://www.americanchic.net/help

Here is the code implemented on the search results page:

Code:

<div id="cse-search-results"></div>
<script type="text/javascript">
  var googleSearchIframeName = "cse-search-results";
  var googleSearchFormName = "cse-search-box";
  var googleSearchFrameWidth = 500;
  var googleSearchDomain = "www.google.com";
  var googleSearchPath = "/cse";
</script>
<script type="text/javascript" src="http://www.google.com/afsonline/show_afs_search.js"></script>

The original code (from my Google custom search control panel) included a FrameWidth of 600 and I changed it to 500 but it didn't make a difference. Any ideas?

Hello

I'm using lytebox to open an iframe, but the iframe url is in another domain that the parent window.

i need to close the iframe when user clicks a button. I can do that with javascript : top.$lb.end();
the $lb.end(); starts lytebox scripts in parent window which close the iframe and modify all the css stuff.
That works when my iframe url is in the same domain. But when it's in another domain, that does'nt work.

Can anyone tells me how to do that ? Starting the $lb.end() function of the parent window ?
Thank you.

Is there a way to resize an iframe dynamically so that you never get the scroll bar and essentially hide that there is an iframe? Better integration really.

Basically I want to iframe a forum into my site so that the design down the sides and top which my friend does using iweb are not messed with.
We have a central area which can be longer or shorter depending on the forum.