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| Rev | Author | Line No. | Line |
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| 1 | espaco | 1 | /* |
| 2 | * jQuery Iframe Transport Plugin 1.8.2 |
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| 3 | * https://github.com/blueimp/jQuery-File-Upload |
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| 4 | * |
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| 5 | * Copyright 2011, Sebastian Tschan |
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| 6 | * https://blueimp.net |
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| 7 | * |
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| 8 | * Licensed under the MIT license: |
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| 9 | * http://www.opensource.org/licenses/MIT |
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| 10 | */ |
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| 11 | |||
| 12 | /* global define, window, document */ |
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| 13 | |||
| 14 | (function (factory) { |
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| 15 | 'use strict'; |
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| 16 | if (typeof define === 'function' && define.amd) { |
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| 17 | // Register as an anonymous AMD module: |
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| 18 | define(['jquery'], factory); |
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| 19 | } else { |
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| 20 | // Browser globals: |
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| 21 | factory(window.jQuery); |
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| 22 | } |
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| 23 | }(function ($) { |
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| 24 | 'use strict'; |
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| 25 | |||
| 26 | // Helper variable to create unique names for the transport iframes: |
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| 27 | var counter = 0; |
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| 28 | |||
| 29 | // The iframe transport accepts four additional options: |
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| 30 | // options.fileInput: a jQuery collection of file input fields |
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| 31 | // options.paramName: the parameter name for the file form data, |
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| 32 | // overrides the name property of the file input field(s), |
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| 33 | // can be a string or an array of strings. |
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| 34 | // options.formData: an array of objects with name and value properties, |
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| 35 | // equivalent to the return data of .serializeArray(), e.g.: |
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| 36 | // [{name: 'a', value: 1}, {name: 'b', value: 2}] |
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| 37 | // options.initialIframeSrc: the URL of the initial iframe src, |
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| 38 | // by default set to "javascript:false;" |
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| 39 | $.ajaxTransport('iframe', function (options) { |
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| 40 | if (options.async) { |
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| 41 | // javascript:false as initial iframe src |
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| 42 | // prevents warning popups on HTTPS in IE6: |
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| 43 | /*jshint scripturl: true */ |
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| 44 | var initialIframeSrc = options.initialIframeSrc || 'javascript:false;', |
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| 45 | /*jshint scripturl: false */ |
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| 46 | form, |
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| 47 | iframe, |
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| 48 | addParamChar; |
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| 49 | return { |
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| 50 | send: function (_, completeCallback) { |
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| 51 | form = $('<form style="display:none;"></form>'); |
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| 52 | form.attr('accept-charset', options.formAcceptCharset); |
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| 53 | addParamChar = /\?/.test(options.url) ? '&' : '?'; |
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| 54 | // XDomainRequest only supports GET and POST: |
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| 55 | if (options.type === 'DELETE') { |
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| 56 | options.url = options.url + addParamChar + '_method=DELETE'; |
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| 57 | options.type = 'POST'; |
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| 58 | } else if (options.type === 'PUT') { |
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| 59 | options.url = options.url + addParamChar + '_method=PUT'; |
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| 60 | options.type = 'POST'; |
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| 61 | } else if (options.type === 'PATCH') { |
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| 62 | options.url = options.url + addParamChar + '_method=PATCH'; |
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| 63 | options.type = 'POST'; |
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| 64 | } |
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| 65 | // IE versions below IE8 cannot set the name property of |
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| 66 | // elements that have already been added to the DOM, |
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| 67 | // so we set the name along with the iframe HTML markup: |
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| 68 | counter += 1; |
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| 69 | iframe = $( |
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| 70 | '<iframe src="' + initialIframeSrc + |
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| 71 | '" name="iframe-transport-' + counter + '"></iframe>' |
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| 72 | ).bind('load', function () { |
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| 73 | var fileInputClones, |
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| 74 | paramNames = $.isArray(options.paramName) ? |
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| 75 | options.paramName : [options.paramName]; |
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| 76 | iframe |
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| 77 | .unbind('load') |
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| 78 | .bind('load', function () { |
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| 79 | var response; |
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| 80 | // Wrap in a try/catch block to catch exceptions thrown |
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| 81 | // when trying to access cross-domain iframe contents: |
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| 82 | try { |
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| 83 | response = iframe.contents(); |
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| 84 | // Google Chrome and Firefox do not throw an |
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| 85 | // exception when calling iframe.contents() on |
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| 86 | // cross-domain requests, so we unify the response: |
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| 87 | if (!response.length || !response[0].firstChild) { |
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| 88 | throw new Error(); |
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| 89 | } |
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| 90 | } catch (e) { |
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| 91 | response = undefined; |
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| 92 | } |
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| 93 | // The complete callback returns the |
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| 94 | // iframe content document as response object: |
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| 95 | completeCallback( |
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| 96 | 200, |
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| 97 | 'success', |
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| 98 | {'iframe': response} |
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| 99 | ); |
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| 100 | // Fix for IE endless progress bar activity bug |
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| 101 | // (happens on form submits to iframe targets): |
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| 102 | $('<iframe src="' + initialIframeSrc + '"></iframe>') |
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| 103 | .appendTo(form); |
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| 104 | window.setTimeout(function () { |
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| 105 | // Removing the form in a setTimeout call |
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| 106 | // allows Chrome's developer tools to display |
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| 107 | // the response result |
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| 108 | form.remove(); |
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| 109 | }, 0); |
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| 110 | }); |
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| 111 | form |
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| 112 | .prop('target', iframe.prop('name')) |
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| 113 | .prop('action', options.url) |
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| 114 | .prop('method', options.type); |
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| 115 | if (options.formData) { |
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| 116 | $.each(options.formData, function (index, field) { |
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| 117 | $('<input type="hidden"/>') |
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| 118 | .prop('name', field.name) |
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| 119 | .val(field.value) |
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| 120 | .appendTo(form); |
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| 121 | }); |
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| 122 | } |
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| 123 | if (options.fileInput && options.fileInput.length && |
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| 124 | options.type === 'POST') { |
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| 125 | fileInputClones = options.fileInput.clone(); |
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| 126 | // Insert a clone for each file input field: |
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| 127 | options.fileInput.after(function (index) { |
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| 128 | return fileInputClones[index]; |
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| 129 | }); |
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| 130 | if (options.paramName) { |
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| 131 | options.fileInput.each(function (index) { |
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| 132 | $(this).prop( |
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| 133 | 'name', |
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| 134 | paramNames[index] || options.paramName |
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| 135 | ); |
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| 136 | }); |
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| 137 | } |
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| 138 | // Appending the file input fields to the hidden form |
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| 139 | // removes them from their original location: |
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| 140 | form |
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| 141 | .append(options.fileInput) |
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| 142 | .prop('enctype', 'multipart/form-data') |
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| 143 | // enctype must be set as encoding for IE: |
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| 144 | .prop('encoding', 'multipart/form-data'); |
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| 145 | // Remove the HTML5 form attribute from the input(s): |
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| 146 | options.fileInput.removeAttr('form'); |
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| 147 | } |
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| 148 | form.submit(); |
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| 149 | // Insert the file input fields at their original location |
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| 150 | // by replacing the clones with the originals: |
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| 151 | if (fileInputClones && fileInputClones.length) { |
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| 152 | options.fileInput.each(function (index, input) { |
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| 153 | var clone = $(fileInputClones[index]); |
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| 154 | // Restore the original name and form properties: |
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| 155 | $(input) |
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| 156 | .prop('name', clone.prop('name')) |
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| 157 | .attr('form', clone.attr('form')); |
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| 158 | clone.replaceWith(input); |
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| 159 | }); |
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| 160 | } |
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| 161 | }); |
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| 162 | form.append(iframe).appendTo(document.body); |
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| 163 | }, |
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| 164 | abort: function () { |
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| 165 | if (iframe) { |
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| 166 | // javascript:false as iframe src aborts the request |
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| 167 | // and prevents warning popups on HTTPS in IE6. |
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| 168 | // concat is used to avoid the "Script URL" JSLint error: |
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| 169 | iframe |
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| 170 | .unbind('load') |
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| 171 | .prop('src', initialIframeSrc); |
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| 172 | } |
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| 173 | if (form) { |
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| 174 | form.remove(); |
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| 175 | } |
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| 176 | } |
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| 177 | }; |
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| 178 | } |
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| 179 | }); |
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| 180 | |||
| 181 | // The iframe transport returns the iframe content document as response. |
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| 182 | // The following adds converters from iframe to text, json, html, xml |
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| 183 | // and script. |
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| 184 | // Please note that the Content-Type for JSON responses has to be text/plain |
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| 185 | // or text/html, if the browser doesn't include application/json in the |
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| 186 | // Accept header, else IE will show a download dialog. |
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| 187 | // The Content-Type for XML responses on the other hand has to be always |
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| 188 | // application/xml or text/xml, so IE properly parses the XML response. |
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| 189 | // See also |
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| 190 | // https://github.com/blueimp/jQuery-File-Upload/wiki/Setup#content-type-negotiation |
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| 191 | $.ajaxSetup({ |
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| 192 | converters: { |
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| 193 | 'iframe text': function (iframe) { |
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| 194 | return iframe && $(iframe[0].body).text(); |
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| 195 | }, |
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| 196 | 'iframe json': function (iframe) { |
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| 197 | return iframe && $.parseJSON($(iframe[0].body).text()); |
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| 198 | }, |
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| 199 | 'iframe html': function (iframe) { |
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| 200 | return iframe && $(iframe[0].body).html(); |
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| 201 | }, |
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| 202 | 'iframe xml': function (iframe) { |
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| 203 | var xmlDoc = iframe && iframe[0]; |
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| 204 | return xmlDoc && $.isXMLDoc(xmlDoc) ? xmlDoc : |
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| 205 | $.parseXML((xmlDoc.XMLDocument && xmlDoc.XMLDocument.xml) || |
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| 206 | $(xmlDoc.body).html()); |
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| 207 | }, |
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| 208 | 'iframe script': function (iframe) { |
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| 209 | return iframe && $.globalEval($(iframe[0].body).text()); |
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| 210 | } |
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| 211 | } |
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| 212 | }); |
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| 213 | |||
| 214 | })); |