该问题在ASP.NET identity 3.0及更高版本已经修复。如果使用较旧版本的ASP.NET identity,可以尝试以下两种解决方案:
方案一:重写ConfirmEmailAsync方法,将其中涉及到的URL改为公共地址,而不是本地地址。这样邮件中的确认链接就可以在外部使用了。示例代码如下:
public async Task ConfirmEmailAsync(string userId, string code)
{
// 查找user,并确认email是否匹配
var user = await UserManager.FindByIdAsync(userId);
if (user == null)
{
throw new ApplicationException("User not found.");
}
var result = await UserManager.ConfirmEmailAsync(user, code);
if (result.Succeeded)
{
// 确认成功
}
else
{
throw new ApplicationException("Error confirming email.");
}
}
方案二:使用SMTP服务发送确认邮件,而不是在本地生成。可以使用SMTP服务提供商(例如SendGrid、Gmail等)向用户发送确认链接。示例代码如下:
public async Task SendConfirmationEmailAsync(ApplicationUser user)
{
var token = await UserManager.GenerateEmailConfirmationTokenAsync(user);
var confirmationLink = Url.Action("ConfirmEmail", "Account", new { userId = user.Id, code = token }, protocol: HttpContext.Request.Scheme);
// 创建SMTP客户端
var client = new SmtpClient("smtp.sendgrid.net", 587)
{
Credentials = new NetworkCredential("sendgrid_username", "sendgrid_password")
};
// 设置邮箱内容
var subject = "Confirm your email";
var body = $"Please confirm your account by clicking this link: {confirmationLink}";
var message = new MailMessage("[email protected]", user.Email, subject, body);
// 发送邮箱
await client.SendMailAsync(message);
}
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