jQuery.XDomainRequest.js
3.8 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
/*!
* jQuery-ajaxTransport-XDomainRequest - v1.0.4 - 2015-03-05
* https://github.com/MoonScript/jQuery-ajaxTransport-XDomainRequest
* Copyright (c) 2015 Jason Moon (@JSONMOON)
* Licensed MIT (/blob/master/LICENSE.txt)
*/
(function(factory) {
if (typeof define === 'function' && define.amd) {
// AMD. Register as anonymous module.
define(['jquery'], factory);
} else if (typeof exports === 'object') {
// CommonJS
module.exports = factory(require('jquery'));
} else {
// Browser globals.
factory(jQuery);
}
}(function($) {
// Only continue if we're on IE8/IE9 with jQuery 1.5+ (contains the ajaxTransport function)
if ($.support.cors || !$.ajaxTransport || !window.XDomainRequest) {
return $;
}
var httpRegEx = /^(https?:)?\/\//i;
var getOrPostRegEx = /^get|post$/i;
var sameSchemeRegEx = new RegExp('^(\/\/|' + location.protocol + ')', 'i');
// ajaxTransport exists in jQuery 1.5+
$.ajaxTransport('* text html xml json', function(options, userOptions, jqXHR) {
// Only continue if the request is: asynchronous, uses GET or POST method, has HTTP or HTTPS protocol, and has the same scheme as the calling page
if (!options.crossDomain || !options.async || !getOrPostRegEx.test(options.type) || !httpRegEx.test(options.url) || !sameSchemeRegEx.test(options.url)) {
return;
}
var xdr = null;
return {
send: function(headers, complete) {
var postData = '';
var userType = (userOptions.dataType || '').toLowerCase();
xdr = new XDomainRequest();
if (/^\d+$/.test(userOptions.timeout)) {
xdr.timeout = userOptions.timeout;
}
xdr.ontimeout = function() {
complete(500, 'timeout');
};
xdr.onload = function() {
var allResponseHeaders = 'Content-Length: ' + xdr.responseText.length + '\r\nContent-Type: ' + xdr.contentType;
var status = {
code: 200,
message: 'success'
};
var responses = {
text: xdr.responseText
};
try {
if (userType === 'html' || /text\/html/i.test(xdr.contentType)) {
responses.html = xdr.responseText;
} else if (userType === 'json' || (userType !== 'text' && /\/json/i.test(xdr.contentType))) {
try {
responses.json = $.parseJSON(xdr.responseText);
} catch(e) {
status.code = 500;
status.message = 'parseerror';
//throw 'Invalid JSON: ' + xdr.responseText;
}
} else if (userType === 'xml' || (userType !== 'text' && /\/xml/i.test(xdr.contentType))) {
var doc = new ActiveXObject('Microsoft.XMLDOM');
doc.async = false;
try {
doc.loadXML(xdr.responseText);
} catch(e) {
doc = undefined;
}
if (!doc || !doc.documentElement || doc.getElementsByTagName('parsererror').length) {
status.code = 500;
status.message = 'parseerror';
throw 'Invalid XML: ' + xdr.responseText;
}
responses.xml = doc;
}
} catch(parseMessage) {
throw parseMessage;
} finally {
complete(status.code, status.message, responses, allResponseHeaders);
}
};
// set an empty handler for 'onprogress' so requests don't get aborted
xdr.onprogress = function(){};
xdr.onerror = function() {
complete(500, 'error', {
text: xdr.responseText
});
};
if (userOptions.data) {
postData = ($.type(userOptions.data) === 'string') ? userOptions.data : $.param(userOptions.data);
}
xdr.open(options.type, options.url);
xdr.send(postData);
},
abort: function() {
if (xdr) {
xdr.abort();
}
}
};
});
return $;
}));