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Fixes #8135. Makes sure any exception thrown by Firefox when trying to access an XMLHttpRequest property when a network error occured is caught and notified as an error. Added test/networkerror.html to test the behavior.

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jaubourg 2011-02-02 13:33:02 +01:00
parent 462bb1f66a
commit b90369e8cb
2 changed files with 178 additions and 60 deletions
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137
src/ajax/xhr.js
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@ -115,76 +115,93 @@ if ( jQuery.support.ajax ) {
// Listener
callback = function( _, isAbort ) {
// Was never called and is aborted or complete
if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
var status,
statusText,
responseHeaders,
responses,
xml;
// Only called once
callback = 0;
// Firefox throws exceptions when accessing properties
// of an xhr when a network error occured
// http://helpful.knobs-dials.com/index.php/Component_returned_failure_code:_0x80040111_(NS_ERROR_NOT_AVAILABLE)
try {
// Do not keep as active anymore
if ( handle ) {
xhr.onreadystatechange = jQuery.noop;
delete xhrs[ handle ];
}
// Was never called and is aborted or complete
if ( callback && ( isAbort || xhr.readyState === 4 ) ) {
// If it's an abort
if ( isAbort ) {
// Abort it manually if needed
if ( xhr.readyState !== 4 ) {
xhr.abort();
// Only called once
callback = undefined;
// Do not keep as active anymore
if ( handle ) {
xhr.onreadystatechange = jQuery.noop;
delete xhrs[ handle ];
}
} else {
// Get info
var status = xhr.status,
statusText,
responseHeaders = xhr.getAllResponseHeaders(),
responses = {},
// If it's an abort
if ( isAbort ) {
// Abort it manually if needed
if ( xhr.readyState !== 4 ) {
xhr.abort();
}
} else {
// Get info
status = xhr.status;
responseHeaders = xhr.getAllResponseHeaders();
responses = {};
xml = xhr.responseXML;
// Construct response list
if ( xml && xml.documentElement /* #4958 */ ) {
responses.xml = xml;
}
responses.text = xhr.responseText;
// Construct response list
if ( xml && xml.documentElement /* #4958 */ ) {
responses.xml = xml;
}
responses.text = xhr.responseText;
// Firefox throws an exception when accessing
// statusText for faulty cross-domain requests
try {
statusText = xhr.statusText;
} catch( e ) {
// We normalize with Webkit giving an empty statusText
statusText = "";
}
// Firefox throws an exception when accessing
// statusText for faulty cross-domain requests
try {
statusText = xhr.statusText;
} catch( e ) {
// We normalize with Webkit giving an empty statusText
statusText = "";
}
// Filter status for non standard behaviors
status =
// Most browsers return 0 when it should be 200 for local files
// Opera returns 0 when it should be 304
// Webkit returns 0 for failing cross-domain no matter the real status
!status ?
// All: for local files, 0 is a success
( location.protocol === "file:" ? 200 : (
// Webkit, Firefox: filter out faulty cross-domain requests
!s.crossDomain || statusText ?
// Filter status for non standard behaviors
status =
// Most browsers return 0 when it should be 200 for local files
// Opera returns 0 when it should be 304
// Webkit returns 0 for failing cross-domain no matter the real status
!status ?
// All: for local files, 0 is a success
( location.protocol === "file:" ? 200 : (
// Webkit, Firefox: filter out faulty cross-domain requests
!s.crossDomain || statusText ?
(
// Opera: filter out real aborts #6060
responseHeaders ?
304 :
0
) :
// We assume 302 but could be anything cross-domain related
302
) ) :
(
// Opera: filter out real aborts #6060
responseHeaders ?
304 :
0
) :
// We assume 302 but could be anything cross-domain related
302
) ) :
(
// IE sometimes returns 1223 when it should be 204 (see #1450)
status == 1223 ?
204 :
status
);
// Call complete
complete( status, statusText, responses, responseHeaders );
// IE sometimes returns 1223 when it should be 204 (see #1450)
status == 1223 ?
204 :
status
);
}
}
} catch( firefoxAccessException ) {
if ( !isAbort ) {
complete( -1, firefoxAccessException );
}
}
// Call complete if needed
if ( responses ) {
complete( status, statusText, responses, responseHeaders );
}
};