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Posted to issues@cordova.apache.org by GitBox <gi...@apache.org> on 2020/06/29 06:06:57 UTC
[GitHub] [cordova-ios] happyi opened a new issue #925: Preflight response is not successful
happyi opened a new issue #925:
URL: https://github.com/apache/cordova-ios/issues/925
Preflight response is not successful
XMLHttpRequest cannot load http://jm.yongdianbao.com.cn/employee/rest/api/login due to access control checks.
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[GitHub] [cordova-ios] breautek commented on issue #925: Preflight response is not successful
Posted by GitBox <gi...@apache.org>.
breautek commented on issue #925:
URL: https://github.com/apache/cordova-ios/issues/925#issuecomment-651989364
> @timbru31 do you have any tutorial to configure it? Is that possible to configure only from client side or we will need a server side change?
This is a server thing. Providing a tutorial is not really possible, specific instructions will depend on your server stack.
Over simplified instructions would be:
- Respond to the `OPTIONS` method request (reply with no data, but do set `Access-Control` headers).
- Set `Access-Control-Allow-Methods`, `Access-Control-Allow-Origin`, and `Access-Control-Allow-Headers` in your response headers for `OPTIONS`, `GET`, and `POST` request methods. This is to support both "preflight" request and "simple" requests.
https://developer.mozilla.org/en-US/docs/Web/HTTP/CORS for more detailed information on how CORS protocol works. I would recommend reading.
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[GitHub] [cordova-ios] timbru31 commented on issue #925: Preflight response is not successful
Posted by GitBox <gi...@apache.org>.
timbru31 commented on issue #925:
URL: https://github.com/apache/cordova-ios/issues/925#issuecomment-651008703
You need to configure proper CORS headers.
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[GitHub] [cordova-ios] breautek commented on issue #925: Preflight response is not successful
Posted by GitBox <gi...@apache.org>.
breautek commented on issue #925:
URL: https://github.com/apache/cordova-ios/issues/925#issuecomment-651994763
The MDN article lays out the difference between simple requests and non-simple requests. Simple requests do not send a preflight response (the `OPTIONS` request).
And I don't think the web inspector also actually shows the preflight request in the network tab if my memory recalls properly (but I could be wrong... it's been awhile for me). I used postman to debug CORS response issues by hitting the URL endpoint using `OPTIONS` and checking to make sure my response was as expected.
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[GitHub] [cordova-ios] renanbandeira commented on issue #925: Preflight response is not successful
Posted by GitBox <gi...@apache.org>.
renanbandeira commented on issue #925:
URL: https://github.com/apache/cordova-ios/issues/925#issuecomment-651976968
@timbru31 do you have any tutorial to configure it? Is that possible to configure only from client side or we will need a server side change?
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[GitHub] [cordova-ios] renanbandeira commented on issue #925: Preflight response is not successful
Posted by GitBox <gi...@apache.org>.
renanbandeira commented on issue #925:
URL: https://github.com/apache/cordova-ios/issues/925#issuecomment-652421760
Thanks, buddy, I could kinda make it work. My server already accepts some cross-origin requests, when origin is file or http://localhost . My problem is that, when I add `<preference name="scheme" value="file"/>` on my `config.xml`, origin header is null. If I add like release notes (scheme app and hostname localhost), origin header is `app://localhost`, but I can't load internal files, such as pictures taken.
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[GitHub] [cordova-ios] renanbandeira commented on issue #925: Preflight response is not successful
Posted by GitBox <gi...@apache.org>.
renanbandeira commented on issue #925:
URL: https://github.com/apache/cordova-ios/issues/925#issuecomment-651992639
Gotcha, @breautek , thanks. But as far as I can see, the OPTIONS method request is not sent by WkWebview:
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[GitHub] [cordova-ios] renanbandeira edited a comment on issue #925: Preflight response is not successful
Posted by GitBox <gi...@apache.org>.
renanbandeira edited a comment on issue #925:
URL: https://github.com/apache/cordova-ios/issues/925#issuecomment-652421760
Thanks,@breautek , I could kinda make it work. My server already accepts some cross-origin requests, and now it is working. The only issue I have now is related to cookie session. It doesn't store cookie session response to send to subsequent requests. Do you know how to fix it?
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[GitHub] [cordova-ios] timbru31 closed issue #925: Preflight response is not successful
Posted by GitBox <gi...@apache.org>.
timbru31 closed issue #925:
URL: https://github.com/apache/cordova-ios/issues/925
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