如何在C#中使用APNs身份验证密钥(.p8文件)? [英] How to use APNs Auth Key (.p8 file) in C#?

问题描述

我正在尝试使用基于令牌的身份验证将推送通知发送到iOS设备.

I'm trying to send push notifications to iOS devices, using token-based authentication.

根据需要，我在Apple的Dev Portal中生成了APNs身份验证密钥，并下载了该文件(扩展名为p8的文件).

As required, I generated an APNs Auth Key in Apple's Dev Portal, and downloaded it (it's a file with p8 extension).

要从C#服务器发送推送通知，我需要以某种方式使用此p8文件对我的JWT令牌进行签名.我该怎么办?

To send push notifications from my C# server, I need to somehow use this p8 file to sign my JWT tokens. How do I do that?

我尝试将文件加载到X509Certificate2，但是X509Certificate2似乎不接受p8文件，因此我尝试将文件转换为pfx/p12，但找不到实际可行的方法.

I tried to load the file to X509Certificate2, but X509Certificate2 doesn't seem to accept p8 files, so then I tried to convert the file to pfx/p12, but couldn't find a way to do that that actually works.

推荐答案

我找到了一种使用

现在创建并签名令牌(使用 jose-jwt ):

And now creating and signing the token (using jose-jwt):

private static string GetProviderToken()
{
    var epochNow = (int) DateTime.UtcNow.Subtract(new DateTime(1970, 1, 1)).TotalSeconds;
    var payload = new Dictionary<string, object>()
    {
        {"iss", "your team id"},
        {"iat", epochNow}
    };
    var extraHeaders = new Dictionary<string, object>()
    {
        {"kid", "your key id"}
    };
    var privateKey = GetPrivateKey();
    return JWT.Encode(payload, privateKey, JwsAlgorithm.ES256, extraHeaders);
}

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