Trying to disable Chrome same origin policy

Question

I'm trying to follow a melonJS tutorial. It says I should disable cross-origin request using one of two methods:

--disable-web-security

--allow-file-access-from-files**

I've tried both of these in my command prompt as such:

C:\Users\danniu>C:\Users\danniu\AppData\Local\Google\Chrome\Application\Chrome.e
xe --allow-file-access-from-files

C:\Users\danniu>C:\Users\danniu\AppData\Local\Google\Chrome\Application\Chrome.e
xe --disable-web-security

When I try to run the game in Chrome I'm still getting this error:

XMLHttpRequest cannot load file:///C:/Users/danniu/Desktop/JavaScript/melonJS/data/map/area01.tmx. Cross origin requests are only supported for HTTP.

What am I doing wrong?

Thanks

JJJ · Accepted Answer · 2014-02-25 21:55:05Z

13

You need to use both arguments. This is how I run it on my mac.

open -a Google\ Chrome --args --disable-web-security -–allow-file-access-from-files

This is how it should be for windows:

"C:\PathTo\Chrome.exe" –allow-file-access-from-files -disable-web-security

edited Feb 25, 2014 at 21:55

answered Feb 25, 2014 at 21:48

JJJ

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5 Comments

user3871 Over a year ago

so it would look like this?

C:\Users\danniu>C:\Users\danniu\AppData\Local\Google\Chrome\Application\Chrome.e xe --disable-web-security --allow-file-access-from-files

, then I can just open my game in that new browser window?

JJJ Over a year ago

You might also need to add the --args parameter

JJJ Over a year ago

Check out edit. For windows you actually just need to use one dash

user3871 Over a year ago

Okay hmm. Still not working. Any way to verify within the new browser window that I've disabled those?

JJJ Over a year ago

well one way is you're not getting the cross origin error. But as soon as you open the browser, a yellow bar should appear at the top saying you're in an unsecure mode. Also, make sure to kill all chrome tasks before running that flag. Otherwise it won't work

Himanshu Sharma · Accepted Answer · 2017-12-06 13:17:32Z

3

To disable chrome web security on mac use this command on terminal

$ /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --user-data-dir="/tmp/chrome_dev_session" --disable-web-security

if $ open -a Google\ Chrome --args --disable-web-security -–allow-file-access-from-files dosen't help

edited Dec 6, 2017 at 13:17

answered May 13, 2016 at 5:39

Himanshu Sharma

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Comments

Community · Accepted Answer · 2017-05-23 11:46:54Z

0

You should request through a HTTP protocol

Here's an answer quite simple to do it: https://stackoverflow.com/a/23118676/1585438

edited May 23, 2017 at 11:46

CommunityBot

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answered Feb 25, 2015 at 19:16

Helder Robalo

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Comments

markus · Accepted Answer · 2017-04-10 18:19:10Z

0

The anti-SOP paramters: --disable-web-security -–allow-file-access-from-files

To make the parameters effective, there must not be another instance of chrome running. If you have chrome running already and start a new instance with the anti-SOP parameters, it will have no effect.

When you close chrome, make sure that all instances are closed. This includes instances without GUI as well (task manager is your friend)!

answered Apr 10, 2017 at 18:19

markus

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