Providing proxy credentials for AJAX Webservice call using jQuery

Question

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We have proxy implemented in our office, I need to make webservice call using jQuery AJAX.

If we skip proxy, the web method gets called without any errors.
But the moment we enable proxy, we get "NetworkError" no more details available regarding this error.

We cannot disable proxy forever, now we want to call this webservice using jQuery AJAX.
Please help me resolve the issue.

JavaScript

var surl = "http://www.mydomain.com/MyJSONService/Service.asmx/HelloWorld";
$.ajax({
    type: 'GET',
    url: surl,
    crossDomain: true,
    contentType: "application/json; charset=utf-8",
    dataType: "json",
    xhrFields: {
         withCredentials: true
    },
    success: function(data, statusCode, xhr) {
        alert(data.d);
    },
    error: function(xhr, status, error) { 
        alert('Error !!'); 
    },
    async: false,
    cache: false
});

Posted 27-Apr-14 2:16am

Abdul Muqeet Ahmed

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Comments

Kornfeld Eliyahu Peter 27-Apr-14 9:29am

When proxy is on, can you browse your site?
did you heard about jQuery.ajaxPrefilter()?

Abdul Muqeet Ahmed 28-Apr-14 2:55am

Yes when proxy is on I can browse the site.<br>
I have set jQuery.ajaxPrefilter(), and set async to true.<br>
Now I get a new error called "error" with status code "0" and status text "error"

1 solution

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This content, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

Sampath Lokuge · Answer 1 · 2014-04-27T04:53:00

Please try is as below.

Note: This is just a sample.Adjust it according to your app.

$.ajaxPrefilter( function( options ) {
  if ( options.crossDomain ) {
    var newData = {};
    // Copy the options.data object to the newData.data property.
    // We need to do this because javascript doesn't deep-copy variables by default.
    newData.data = $.extend({}, options.data);
    newData.url = options.url;

    // Reset the options object - we'll re-populate in the following lines.
    options = {};

    // Set the proxy URL
    options.url = "http://mydomain.com/proxy";
    options.data = $.param(newData);
    options.crossDomain = false;
  }
});

For more info : Pass Through Cross Domain Proxies with jQuery

jQuery.ajaxPrefilter()

Providing proxy credentials for AJAX Webservice call using jQuery

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Providing proxy credentials for AJAX Webservice call using jQuery

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