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Remove method and content overriding
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| function replaceDocument(docString) { | ||
| var doc = document.open("text/html"); | ||
| doc.write(docString); | ||
| doc.close(); | ||
| } | ||
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| function doAjaxSubmit(e) { | ||
| var form = $(this); | ||
| var btn = $(this.clk); | ||
| var method = btn.data('method') || form.data('method') || form.attr('method') || 'GET'; | ||
| method = method.toUpperCase() | ||
| if (method === 'GET') { | ||
| // GET requests can always use standard form submits. | ||
| return; | ||
| } | ||
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| var contentType = | ||
| form.find('input[data-override="content-type"]').val() || | ||
| form.find('select[data-override="content-type"] option:selected').text(); | ||
| if (method === 'POST' && !contentType) { | ||
| // POST requests can use standard form submits, unless we have | ||
| // overridden the content type. | ||
| return; | ||
| } | ||
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| // At this point we need to make an AJAX form submission. | ||
| e.preventDefault(); | ||
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| var url = form.attr('action'); | ||
| var data; | ||
| if (contentType) { | ||
| data = form.find('[data-override="content"]').val() || '' | ||
| } else { | ||
| contentType = form.attr('enctype') || form.attr('encoding') | ||
| if (contentType === 'multipart/form-data') { | ||
| if (!window.FormData) { | ||
| alert('Your browser does not support AJAX multipart form submissions'); | ||
| return; | ||
| } | ||
| // Use the FormData API and allow the content type to be set automatically, | ||
| // so it includes the boundary string. | ||
| // See https://developer.mozilla.org/en-US/docs/Web/API/FormData/Using_FormData_Objects | ||
| contentType = false; | ||
| data = new FormData(form[0]); | ||
| } else { | ||
| contentType = 'application/x-www-form-urlencoded; charset=UTF-8' | ||
| data = form.serialize(); | ||
| } | ||
| } | ||
|
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| var ret = $.ajax({ | ||
| url: url, | ||
| method: method, | ||
| data: data, | ||
| contentType: contentType, | ||
| processData: false, | ||
| headers: {'Accept': 'text/html; q=1.0, */*'}, | ||
| }); | ||
| ret.always(function(data, textStatus, jqXHR) { | ||
| if (textStatus != 'success') { | ||
| jqXHR = data; | ||
| } | ||
| var responseContentType = jqXHR.getResponseHeader("content-type") || ""; | ||
| if (responseContentType.toLowerCase().indexOf('text/html') === 0) { | ||
| replaceDocument(jqXHR.responseText); | ||
| try { | ||
| // Modify the location and scroll to top, as if after page load. | ||
| history.replaceState({}, '', url); | ||
| scroll(0,0); | ||
| } catch(err) { | ||
| // History API not supported, so redirect. | ||
| window.location = url; | ||
| } | ||
| } else { | ||
| // Not HTML content. We can't open this directly, so redirect. | ||
| window.location = url; | ||
| } | ||
| }); | ||
| return ret; | ||
| } | ||
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| function captureSubmittingElement(e) { | ||
| var target = e.target; | ||
| var form = this; | ||
| form.clk = target; | ||
| } | ||
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| $.fn.ajaxForm = function() { | ||
| var options = {} | ||
| return this | ||
| .unbind('submit.form-plugin click.form-plugin') | ||
| .bind('submit.form-plugin', options, doAjaxSubmit) | ||
| .bind('click.form-plugin', options, captureSubmittingElement); | ||
| }; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,47 @@ | ||
| function getCookie(name) { | ||
| var cookieValue = null; | ||
| if (document.cookie && document.cookie != '') { | ||
| var cookies = document.cookie.split(';'); | ||
| for (var i = 0; i < cookies.length; i++) { | ||
| var cookie = jQuery.trim(cookies[i]); | ||
| // Does this cookie string begin with the name we want? | ||
| if (cookie.substring(0, name.length + 1) == (name + '=')) { | ||
| cookieValue = decodeURIComponent(cookie.substring(name.length + 1)); | ||
| break; | ||
| } | ||
| } | ||
| } | ||
| return cookieValue; | ||
| } | ||
|
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| function csrfSafeMethod(method) { | ||
| // these HTTP methods do not require CSRF protection | ||
| return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method)); | ||
| } | ||
|
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| function sameOrigin(url) { | ||
| // test that a given url is a same-origin URL | ||
| // url could be relative or scheme relative or absolute | ||
| var host = document.location.host; // host + port | ||
| var protocol = document.location.protocol; | ||
| var sr_origin = '//' + host; | ||
| var origin = protocol + sr_origin; | ||
| // Allow absolute or scheme relative URLs to same origin | ||
| return (url == origin || url.slice(0, origin.length + 1) == origin + '/') || | ||
| (url == sr_origin || url.slice(0, sr_origin.length + 1) == sr_origin + '/') || | ||
| // or any other URL that isn't scheme relative or absolute i.e relative. | ||
| !(/^(\/\/|http:|https:).*/.test(url)); | ||
| } | ||
|
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| var csrftoken = getCookie('csrftoken'); | ||
|
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| $.ajaxSetup({ | ||
| beforeSend: function(xhr, settings) { | ||
| if (!csrfSafeMethod(settings.type) && sameOrigin(settings.url)) { | ||
| // Send the token to same-origin, relative URLs only. | ||
| // Send the token only if the method warrants CSRF protection | ||
| // Using the CSRFToken value acquired earlier | ||
| xhr.setRequestHeader("X-CSRFToken", csrftoken); | ||
| } | ||
| } | ||
| }); |
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