AJAX :: Cross-domain Calls - Loaded From One Server Into A Website On Another Server
Mar 11, 2010
I'm trying to write a script that will be loaded from one server into a website on another server. This script is trying to talk (ajax) to the server that it comes from but I'm getting "Access Denied" errors. I'm well aware that cross-domain calls are not allowed for security reasons so my question is how does Google Analytics work because essentially thats what I'm trying to accomplish. I can embed a Google Analytics script into my website and it'll gather data and send it back to Google.
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Jul 23, 2005
I'm working on a project at the office that pulls together a bunch of
our websites into a portal thing and adds a better search engine. We're
also trying to accomadate newer browsers (Netscape 7.2, Firefox,
Safari) and are having some problems. The websites run on different
servers, all of which we control, so we are setting the document.domain
= "ourdomain.com"; in some javascript on ever page. However, we're
having problems. We use popup windows for some things, and sometimes
these popups want to 'populate' the parent frame window with a new page
as a result of a user selection on the popup.
This works most of the
time, but not always. For instance, in Netscape 7.2 it just seems to
fail with an "access denied..." error in javascript. In Firefox and
Safari it opens a new window and populates that instead of populating
the original parent window. Can anyone point me at some definitive
information about the document.domain property and how to use it
effectively?
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Nov 3, 2010
I know about the same-origin policy and that one of the only ways to load data from a cross-domain is to load it as JSON. However, all I am trying to do is access data from a server on another port (which I believe the browser still treats as cross-domain). I need to do this because the server my application is on is a map server and the other server (Apache) is the only one that can handle php scripts. I have also tried out the plug-in from [URL] and while it works when I do $('#phpContent').load('http://www.google.com'); it doesn't work when I try $('#phpContent').load('http://localhost:80/mapScripts/getFiles.php'); I have also tried$.get('http://localhost:80/mapScripts/getFiles.php', function(data) { $('#phpContent').html(data); });
So here I am breaking my brain and do not know what else to attempt.
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Apr 19, 2010
I'd been looking for some way to get server date/time without using any server side script (such as ASP, PHP, etc).
I found this and it worked just excellent for me! I just want to share it because it wasn't easy to find.
I created a js document with code:
Code:
Now, I can use this js within a html like this:
HTML Code:
You may change your machine date/time and check both dates.
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Oct 3, 2010
I want to do the following to track and view simple stats:
1. Collect stats on page load include a .js snippet in a random page that sends some params to a certain URL (I guess GET is more suitable than POST because of the reload-warning). How would you do that? I think there might be problems with cross domain calls? I don't need to return a result or anything.
2. Get image URL on page load. A simple snippet/call on page load that fetches the stats-image url from an endpoint (same as above) and inserts the image url into an image tag to display the image (google graph api is used). Here I'm also not sure about the call because of cross domain problems. How is this usually done?
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Aug 31, 2010
I am using jquery.1.3.2 version in my application. My application is running on two different server, one is on "http" and other is on "https" I am displaying few files from httpsserver tohttp server via ajax. Everything works fine in IE 6 +. But same functionality not works in Firefox 3.5. Before changing jQuery's version (dont know exactly which version), my functionality works properly in IE and FF. Today I downloaded latest version of Jquery (1.4.2), and while testing I found that, my functionality isnot working in IE too. After restoring old version (1.3.2) everything works fine (in IE) Does anybody explain me what I am doing wrong? What is the solution for this?
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Apr 14, 2009
I'm creating an AJAX page that is built using a PHP Class, ie the php looks a bit like this: PHP Code:
$wp_page->addjs('../var/savepolicies.js')
$wp_parser->page = "userpolicywindow.php";
$wp_parser->addlink("Home","../index.php","");
$wp_parser->addlink("Logout","javascript:logout();","");
$wp_parser->getpageid("501");
[Code]...
within this page that has been created, there is an AJAX tree folder which calls another page to be loaded into a DIV by AJAX again. Code:
[Code]...
I don't know why it doesn't work because the page has been loaded with the JS file, but as soon as the link is added afterwards it doesn't work. I take it this is because it doesn't know where to find the JS, but how can I overcome this?
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Feb 18, 2010
I'm fairly new to javascript and JQuery so please bear with me. I've written a simple app using JQuery whose purpose is to select the fastest mirror site. To this end I use several $.ajax calls - one to each mirror site -and I don't do anything with the data I get from these, I only use the order in which they respond to sort the sites from fastest to slowest. I'd share the code, but really the only thing it does is call the $.ajax function and append a line in a table using the success: callback. This works perfectly fine for most browsers, except IE which throws the 'access is denied' error. I know about cross domain restrictions and understand the reasoning behind - my plan was to put my script in the 'trusted' zone and enable the required options to bypass the problem as this will be used in a controlled environment, but no matter what I try my code won't run in IE. Some of my mirror sites are indeed in a different domain. What I have trouble understanding is why all other browsers (FF, Chrome etc), with their default configuration, allow my code to run flawlessly? If the reasoning behind IE blocking this is correct, then why do others allow it?
Also obviously for my purpose using a server-side proxy makes no sense as I want to test the sites from the client side, not from the server. I've also read about other work arounds such as JSONP but unfortunately the sites that I'm testing cannot support this. But once again, what I'm really wondering about is why my code works flawlessly in other browsers..
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Jan 10, 2011
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
[Code]...
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Jan 25, 2011
Is there a way of using the Ajax httpRequest cross domain?
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Oct 2, 2010
I have the following JavaScript (see below). The script requests an XML file from the server and displays it on the page.
The script works fine when the requested XML file is stored on the same server as the script.
The problem is when I try requesting an XML file from an external server such as the National Weather Service. I get an error. If I take the XML file from the National Weather Service and save it to my server it works. Why can't I use my script to request XML files stored on external servers?
Javascript Code
window.onload = initAll;
var xhr = false;
function initAll() {
document.getElementById("makeTextRequest").onclick = getNewFile;
[Code]....
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Jun 16, 2011
To make cross domain calls when json is required (JSONP) is easy
Code:
$.ajax({
url:"testserver.php",
dataType: 'JSONP',
success:function(json){
[Code]....
I see the XML comming in as a string argument of 'myCallback', but ist never called. Also 'success' is never called!
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Mar 30, 2009
I know cross domain Ajax request are denied due to the security issues. As an alternative to this, I have heard of using JSON. I tried to use that, but I am unable to get it work. I had also tried the jQuery's $.getJSON() that didnot work as well.
Could you please provide me some working examples for this case?
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Feb 10, 2010
I would like to open an html file locally (not fetch it from a server) and somehow use javascript to fetch the relative resources from the server. One solution would be to convert all of the relative links to absolute links. I can convert the html source file anyway I wish, but ideally I would like to modify the html source as little as possible, for example insert a function that modifies the result of the src attribute. How would I go about this? Is there any trick I can use to define where the relative home is? Am I going to get into any scripting security gotchas?
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Jan 15, 2010
i need to post data from a form to a page on another domain, without leaving the current page.I am using ASP as a server language.
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May 25, 2010
I am recentlyexperiencinga problem with .ajax calling cross domain asp.net webservice. It started working fine, until the data returned from server is becoming too big and suddenly the ajax call caused errors, if i reduce the data length then the error went away. After doing some debug, i have identified the problem being the callback was inserted into the returned data.
[Code]...
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May 18, 2010
Is it possible to use $.ajax to call an external web service directly, or do I need to write a dot net server-side wrapper to consume the web service, then call the wrapper from jQuery ?
I have attempted a direct call as shown below, which works fine in IE but generates an error in Firefox, which I presume relates to the cross-domain scripting issue.
$.ajaxSetup({ cache: false });
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Aug 24, 2009
When i try to make an ajax request like:
I get the following error in the firebug ( Net ): OPTIONS - 405 Method Not Allowed
Is it related to cross-domain request?
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May 27, 2010
I'm making a script that requires cross-domain scripting to get the statuscode of other files. I'm currently using a small PHP script to relay the files from the remote server onto mine. If I want to get the files directly using AJAX, it is not allowed for obvious reasons. I don't want the actual files, I only want to get the status code of that file, and it is going to be either a 404 or a 301. I would've assumed that as the AJAX call is never attempted, the statusCode will be 0, and this is what the actual call variable returns.
However, in Firebug it shows the statuscode next to the request (404 or 301), even if, the call has never been made. Why is the statuscode appearing in Firebug but not in the statuscode variable?
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Nov 3, 2009
Do you have any idea cross domain xml file access from javascript or using jquery ajax? This is the sample url for google weather
[Code]...
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Jan 13, 2009
If i use the jQuery library hosted by google am i going to run in to issues using ajax on my site when making requests for data from my server.
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May 4, 2011
I trying to make a call to an external domain using $.ajax() and it WORKS, the server receives the call, but the response in firebug errors out in jquery.js line 7760. I've been beating my head at this all day and don't feel like I've made it much further.
I suspect it has something to do with the dataType or type of the request. But I've tried all kinds of things from POST to GET to JSONP in the type. For dataType, I've also tried "html", "text", "xml", "json", and even some combos of "text html" but no success.
[Code]...
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Sep 9, 2011
Html website what is the code in javascript to connect to a MS Access database that is hosted on NIC Server.If not so possible in javascript then any other option what can added in HTML website
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Dec 31, 2006
I am creating an XML document on my page with javascript. My question
is, is it possible to save that xml file on the server (I have write
permissions) only using javascript, ie no server code? This task would
be trivial using server code, but I was wondering if I can do it all
with client code and post backs? Well, any input?
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Aug 6, 2010
How does this cross-domain request work in FireFox, Safari & Chrome and not in IE/Opera ?$(document).ready(function()
[Code]...
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Aug 10, 2010
I should preface this by saying that this is not for my own site, or my own code; a friend has gone on holiday and needed this project fixing while he was away. Unfortunately my experience with jQuery is almost nil and everything was coded by someone else, so I'm really tearing my hair out. This is a Wordpress installation running Thematic with two child themes, one of which uses Ajax calls to grab page content. The issue is that the Ajaxified calls stop the swfObject content from being loaded. Compare:
[Code]....
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