iOS v12 Https请求错误 [英] iOS v12 Https requests errors

问题描述

我注意到从iOS v12上的Ionic Angular应用发出的https请求分别失败，并且永远无法到达我的后端.

I noticed that https requests made from my Ionic Angular app on iOS v12 are failing respectively never reach my backend.

我可以确认我的应用程序具有生产力，并且仅在iOS> = v12上会出现此错误

I could confirm that my app is productive and the fact that this error only occurs on iOS >= v12

当我在Xcode 10 beta中调试时，出现以下错误

When I debug in Xcode 10 beta I get the following error

{标头":{"normalizedNames":{}，"lazyUpdate":null，标头":{}}，"status":0，"statusText":未知错误"，"url":null ，"ok":false，名称":"HttpErrorResponse"，"message":(失败的url)Http失败响应:0未知的错误"，"error":{"isTrusted":true}}

{"headers":{"normalizedNames":{},"lazyUpdate":null,"headers":{}},"status":0,"statusText":"Unknown Error","url":null,"ok":false,"name":"HttpErrorResponse","message":"Http failure response for (unknown url): 0 Unknown Error","error":{"isTrusted":true}}

我的Node/Express.js后端设置了以下标头

My Node / Express.js backend set the following headers

var allowedOrigins = ["https://example.com", "http://ionic.local", "http://localhost:8080"];

 var origin = req.headers.origin;
 if(allowedOrigins.indexOf(origin) > -1){
        res.setHeader('Access-Control-Allow-Origin', origin);
 } else {
        res.setHeader("Access-Control-Allow-Origin", "https://example.com");
    }

 res.header("Access-Control-Allow-Credentials", "true") 
 res.header("Access-Control-Allow-Headers", "Origin, Authorization, Content-Type, Content-Range, Content-Disposition, Content-Description, X-Requested-With, X-ACCESS_TOKEN");
 res.header("Access-Control-Allow-Methods", "GET,PUT,POST");

有人面临同样的问题吗? 您在代码中做了哪些更改以解决iOS v12的问题?

Anyone is facing the same problem? What did you change in your code to fix the problem for iOS v12?

P.S .: 我已经打开了苹果的一个问题

P.S.: I have opened an issue by Apple

这里也是Ionic论坛上的链接主题: https ://forum.ionicframework.com/t/ios-12-beta-preflight-requests-fail

Also here the linked subject on the Ionic forum: https://forum.ionicframework.com/t/ios-12-beta-preflight-requests-fail

以防万一在WkWebView插件上出现了一个问题: https://github.com/ionic-team/cordova-plugin-ionic-webview/issues/112

And just in case opened an issue on the WkWebView plugin: https://github.com/ionic-team/cordova-plugin-ionic-webview/issues/112

更新

我不确定，但是看起来我只在分别查询 POST 请求时遇到问题，而我在执行GET请求时却没有遇到问题...您也可以确认吗?

I'm not sure but it looks like that I only face issue while querying POST requests respectively that I don't face it while doing GET requests...could you confirm that too?

更新2

在以下讨论/问题中， https://github.com/ionic-team/cordova-plugin-ionic-webview/issues/112 ，我们也押注iOS版本本身的错误.让我们看看它是否会在下一个Beta版本中得到纠正

In the following discussion/issue, https://github.com/ionic-team/cordova-plugin-ionic-webview/issues/112, we are also betting on a bug in the iOS version itself. Let see if it will be corrected with the next beta version

更新3

Xcode 10 beta 2和iOS 12 beta 2分别于2018年6月19日星期二发布，解决了我的问题

Xcode 10 beta 2 respectively iOS 12 beta 2 released Tuesday 19th June 2018 solved my problem

推荐答案

问题是iOS 12 beta 1

Xcode 10 beta 2和iOS 12 beta 2分别于2018年6月19日星期二发布，解决了我的问题

Xcode 10 beta 2 respectively iOS 12 beta 2 released Tuesday 19th June 2018 solved my problem

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