Origin cannot save games in a root directory fix. 2021

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   origin cannot save games in a root directory fix. 2021.
   
   

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13 августа 2019

origin cannot save games in a root directory fix. 2021.

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This answer covers a lot of ground, so it’s divided into three parts:

• How to use a CORS proxy to avoid
  
  “No Access-Control-Allow-Origin header”
  
  problems
• How to avoid the CORS preflight
• How to fix
  
  “Access-Control-Allow-Origin header must not be the wildcard”
  
  problems

How to use a CORS proxy to avoid

“No Access-Control-Allow-Origin header”

problems

If you don’t control the server your frontend code is sending a request to, and the problem with the response from that server is just the lack of the necessary

Access-Control-Allow-Origin

header, you can still get things to work—by making the request through a CORS proxy.

You can easily run your own proxy with code from https://github.com/Rob—W/cors-anywhere/.

You can also easily deploy your own proxy to Heroku in just 2-3 minutes, with 5 commands:

git clone https://github.com/Rob--W/cors-anywhere.git
cd cors-anywhere/
npm install
heroku create
git push heroku master

After running those commands, you’ll end up with your own CORS Anywhere server running at, e.g.,

https://cryptic-headland-94862.herokuapp.com/

.

Now, prefix your request URL with the URL for your proxy:

https://cryptic-headland-94862.herokuapp.com/https://example.com

Adding the proxy URL as a prefix causes the request to get made through your proxy, which:

1. Forwards the request to
   
https://example.com

   .
2. Receives the response from
   
https://example.com

   .
3. Adds the
   
Access-Control-Allow-Origin

   header to the response.
4. Passes that response, with that added header, back to the requesting frontend code.

The browser then allows the frontend code to access the response, because that response with the

Access-Control-Allow-Origin

response header is what the browser sees.

This works even if the request is one that triggers browsers to do a CORS preflight

OPTIONS

request, because in that case, the proxy also sends the

Access-Control-Allow-Headers

and

Access-Control-Allow-Methods

headers needed to make the preflight succeed.

How to avoid the CORS preflight

The code in the question triggers a CORS preflight—since it sends an

Authorization

header.

Even without that, the

Content-Type: application/json

header will also trigger a preflight.

What “preflight” means: before the browser tries the

POST

in the code in the question, it first sends an

OPTIONS

request to the server, to determine if the server is opting-in to receiving a cross-origin

POST

that has

Authorization

and

Content-Type: application/json

headers.

It works pretty well with a small curl script — I get my data.

To properly test with

curl

, you must emulate the preflight

OPTIONS

the browser sends:

curl -i -X OPTIONS -H "Origin: http://127.0.0.1:3000" \
    -H 'Access-Control-Request-Method: POST' \
    -H 'Access-Control-Request-Headers: Content-Type, Authorization' \
    "https://the.sign_in.url"

The response the browser needs from that

OPTIONS

request must have headers like this:

Access-Control-Allow-Origin:  http://127.0.0.1:3000
Access-Control-Allow-Methods: POST
Access-Control-Allow-Headers: Content-Type, Authorization

If the

OPTIONS

response doesn’t include those headers, the browser will stop right there and never attempt to send the

POST

request. Also, the HTTP status code for the response must be a 2xx—typically 200 or 204. If it’s any other status code, the browser will stop right there.

The server in the question responds to the

OPTIONS

request with a 501 status code, which apparently means it’s trying to indicate it doesn’t implement support for

OPTIONS

requests. Other servers typically respond with a 405 “Method not allowed” status code in this case.

So you’ll never be able to make

POST

requests directly to that server from your frontend JavaScript code if the server responds to that

OPTIONS

request with a 405 or 501 or anything other than a 200 or 204 or if doesn’t respond with those necessary response headers.

The way to avoid triggering a preflight for the case in the question would be:

• if the server didn’t require an
  
Authorization

  request header but instead, e.g., relied on authentication data embedded in the body of the
  
POST

  request or as a query param
• if the server didn’t require the
  
POST

  body to have a
  
Content-Type: application/json

  media type but instead accepted the
  
POST

  body as
  
application/x-www-form-urlencoded

  with a parameter named
  
json

  (or whatever) whose value is the JSON data

How to fix

“Access-Control-Allow-Origin header must not be the wildcard”

problems

_{I am getting another error message:}

<sub>The value of the ‘Access-Control-Allow-Origin’ header in the response


must not be the wildcard ‘*’ when the request’s credentials mode is


‘include’. Origin ‘

http://127.0.0.1:3000

‘ is therefore not allowed


access. The credentials mode of requests initiated by the


XMLHttpRequest is controlled by the withCredentials attribute.</sub>

For requests that have credentials, browsers won’t let your frontend JavaScript code access the response if the value of the

Access-Control-Allow-Origin

header is

*

. Instead the value in that case must exactly match your frontend code’s origin,

http://127.0.0.1:3000

.

See

Credentialed requests and wildcards

in the MDN HTTP access control (CORS) article.

add_header Access-Control-Allow-Origin $http_origin

I am using Chrome. I also tried using that Chrome CORS Plugin

That Chrome CORS plugin apparently just simplemindedly injects an

Access-Control-Allow-Origin: *

header into the response the browser sees. If the plugin were smarter, what it would be doing is setting the value of that fake

Access-Control-Allow-Origin

response header to the actual origin of your frontend JavaScript code,

http://127.0.0.1:3000

.

So avoid using that plugin, even for testing. It’s just a distraction. To test what responses you get from the server with no browser filtering them, you’re better off using

curl -H

as above.

headers.append('Access-Control-Allow-Origin', 'http://localhost:3000');
headers.append('Access-Control-Allow-Credentials', 'true');

Remove those lines. The

Access-Control-Allow-*

headers are

response

headers. You never want to send them in requests. The only effect of that is to trigger a browser to do a preflight.

headers.append('Access-Control-Allow-Origin', 'http://localhost:3000');
headers.append('Access-Control-Allow-Credentials', 'true');

Those headers belong to the


response


, not request. So

remove

them, including the line:

headers.append('GET', 'POST', 'OPTIONS');

Your request had

'Content-Type: application/json'

, hence triggered what is called CORS preflight. This caused the browser sent the request with the OPTIONS method. See CORS preflight for detailed information.

Therefore in your

back-end

, you have to handle this preflighted request by returning the response headers which include:

Access-Control-Allow-Origin : http://localhost:3000
Access-Control-Allow-Credentials : true
Access-Control-Allow-Methods : GET, POST, OPTIONS
Access-Control-Allow-Headers : Origin, Content-Type, Accept

Of course, the actual syntax depends on the programming language you use for your back-end.

In your front-end, it should be like so:

function performSignIn() {
    let headers = new Headers();
    headers.append('Content-Type', 'application/json');
    headers.append('Accept', 'application/json');
    headers.append('Authorization', 'Basic ' + base64.encode(username + ":" +  password));
    headers.append('Origin','http://localhost:3000');
    fetch(sign_in, {
        mode: 'cors',
        credentials: 'include',
        method: 'POST',
        headers: headers
    })
    .then(response => response.json())
    .then(json => console.log(json))
    .catch(error => console.log('Authorization failed: ' + error.message));
}

What is legacy origin?

legacy (n.) late 14c., legacie, “body of persons sent on a mission,” from Medieval Latin legatia, from Latin legatus “ambassador, envoy, deputy,” noun use of past participle of legare “send with a commission, appoint as deputy, appoint by a last will” (see legate).

What is the importance of leaving a legacy?

People want to leave a legacy because they want to feel that their life mattered. Once you know what you want your legacy to be, you can start building it. You can start living in the way you want to be remembered. It will allow you to start doing what matters, now.

https://youtube.com/watch?v=fH5ICS5Y4zs%3Ffeature%3Doembed

How do I install Origin games on D drive?

Here’s what you need to do.

1. In the top menu bar, select Origin.
2. Click on Application settings.
3. Select Installs and saves from the window you now see.
4. Under on your computer find game library location.
5. Click change folder.
6. Select or create the desired folder on your mass storage drive.
7. Click select folder.

Why can’t origin save games in a root directory?

Please note that Origin doesn’t allow installing in a root directory as that may lead to uninstalling unintended files when removing Origin. To work around this problem, you can make a dedicated folder to install to.

Can I install Origin D drive?

Yes, you can install Origin games in any drive, Please note that your origin library would be setup on this drive and origin will primarily try to install all your origin purchases in the same library.

Should I install Origin on C or D?

You will have to install Origin itself to the C drive, but you can tell it to install and game content to any other location. Within Origin > Application Settings > Advanced you can choose the install location.

Can you install games on D drive?

In short, yes, you can install games onto your D: drive. Your games (or programs in general), typically do not care what drive you install them to. The letter is just a label, every drive typically serves a similar purpose.

How do I save a game to my root directory?

Re: Origin can not save games in a root folder. Select another folder. What you can do is that install the games under the folder as origin indicates, and later on, use the “move game” function to move the installed games to root directory.

How do I fix root directory is full?

1. Delete some files,
2. Move some files into a subdirectory (SD’s are, in this context, unlimited),
3. or Delete/move a file and create a subdirectory. Then move some files into the subdirectory.

What is top directory?

The root directory, or root folder, is the top-level directory of a file system. The directory structure can be visually represented as an upside-down tree, so the term “root” represents the top level. All other directories within a volume are “branches” or subdirectories of the root directory.

How do I download Origin legacy?

Download our old Origin client via https://www.dm.origin.com/download/legacy. Run the installer in Vista or XP SP2 compatibility mode (right-click installer -> Properties -> Compatibility)