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Ajax: use anchor tag for parsing urls

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Fixes gh-1875
Closes gh-1880
(cherry picked from commit 5a75278e4c5359e07303fc4d8e78a1cf94f6ad65)

Conflicts:
	src/ajax.js
This commit is contained in:
Ben Toews 2014-11-22 18:29:13 -07:00 committed by Dave Methvin
parent 9d1d90e7a2
commit de7ae8cd17
2 changed files with 33 additions and 22 deletions
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49
src/ajax.js
View File

@ -12,12 +12,11 @@ define([
var
rhash = /#.*$/,
rts = /([?&])_=[^&]*/,
rheaders = /^(.*?):[ \t]*([^\r\n]*)\r?$/mg, // IE leaves an \r character at EOL
rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
// #7653, #8125, #8152: local protocol detection
rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
rnoContent = /^(?:GET|HEAD)$/,
rprotocol = /^\/\//,
rurl = /^([\w.+-]+:)(?:\/\/(?:[^\/?#]*@|)([^\/?#:]*)(?::(\d+)|)|)/,
/* Prefilters
* 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
@ -40,11 +39,10 @@ var
// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
allTypes = "*/".concat( "*" ),
// Document location
ajaxLocation = location.href,
// Anchor tag for parsing the document origin
originAnchor = document.createElement( "a" );
// Segment location into parts
ajaxLocParts = rurl.exec( ajaxLocation.toLowerCase() ) || [];
originAnchor.href = location.href;
// Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
function addToPrefiltersOrTransports( structure ) {
@ -287,9 +285,9 @@ jQuery.extend({
etag: {},
ajaxSettings: {
url: ajaxLocation,
url: location.href,
type: "GET",
isLocal: rlocalProtocol.test( ajaxLocParts[ 1 ] ),
isLocal: rlocalProtocol.test( location.protocol ),
global: true,
processData: true,
async: true,
@ -381,8 +379,7 @@ jQuery.extend({
// Force options to be an object
options = options || {};
var // Cross-domain detection vars
parts,
var
// Loop variable
i,
// URL without anti-cache param
@ -391,7 +388,8 @@ jQuery.extend({
responseHeadersString,
// timeout handle
timeoutTimer,
// Url cleanup var
urlAnchor,
// To know if global events are to be dispatched
fireGlobals,
@ -498,9 +496,8 @@ jQuery.extend({
// Add protocol if not provided (prefilters might expect it)
// Handle falsy url in the settings object (#10093: consistency with old signature)
// We also use the url parameter if available
s.url = ( ( url || s.url || ajaxLocation ) + "" )
.replace( rhash, "" )
.replace( rprotocol, ajaxLocParts[ 1 ] + "//" );
s.url = ( ( url || s.url || location.href ) + "" ).replace( rhash, "" )
.replace( rprotocol, location.protocol + "//" );
// Alias method option to type as per ticket #12004
s.type = options.method || options.type || s.method || s.type;
@ -508,14 +505,24 @@ jQuery.extend({
// Extract dataTypes list
s.dataTypes = jQuery.trim( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
// A cross-domain request is in order when we have a protocol:host:port mismatch
// A cross-domain request is in order when the origin doesn't match the current origin
if ( s.crossDomain == null ) {
parts = rurl.exec( s.url.toLowerCase() );
s.crossDomain = !!( parts &&
( parts[ 1 ] !== ajaxLocParts[ 1 ] || parts[ 2 ] !== ajaxLocParts[ 2 ] ||
( parts[ 3 ] || ( parts[ 1 ] === "http:" ? "80" : "443" ) ) !==
( ajaxLocParts[ 3 ] || ( ajaxLocParts[ 1 ] === "http:" ? "80" : "443" ) ) )
);
urlAnchor = document.createElement( "a" );
// Support: IE8-11+
// IE throws exception if url is malformed, e.g. http://example.com:80x/
try {
urlAnchor.href = s.url;
// Support: IE8-11+
// Anchor's host property isn't correctly set when s.url is relative
urlAnchor.href = urlAnchor.href;
s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
urlAnchor.protocol + "//" + urlAnchor.host;
} catch ( e ) {
// If there is an error parsing the URL, assume it is crossDomain,
// it can be rejected by the transport if it is invalid
s.crossDomain = true;
}
}
// Convert data if not already a string

6
test/unit/ajax.js
View File

@ -296,7 +296,7 @@ module( "ajax", {
}
]);
ajaxTest( "jQuery.ajax() - cross-domain detection", 7, function() {
ajaxTest( "jQuery.ajax() - cross-domain detection", 8, function() {
function request( url, title, crossDomainOrOptions ) {
return jQuery.extend( {
dataType: "jsonp",
@ -346,6 +346,10 @@ module( "ajax", {
{
crossDomain: true
}
),
request(
" http://otherdomain.com",
"Cross-domain url with leading space is detected as cross-domain"
)
];
});