Check Authorization Rules Programatically in ASP.NET Blazor

_Imports.razor

@using Microsoft.AspNetCore.Authorization
@using Microsoft.AspNetCore.Components.Authorization

Pages/ProceduralLogic.razor:

@page "/procedural-logic"
@inject IAuthorizationService AuthorizationService

<h1>Procedural Logic Example</h1>

<button @onclick="@DoSomething">Do something important</button>

@code {
    [CascadingParameter]
    private Task<AuthenticationState>? authenticationState { get; set; }

    private async Task DoSomething()
    {
        if (authenticationState is not null)
        {
            var authState = await authenticationState;
            var user = authState?.User;

            if (user is not null)
            {
                if (user.Identity is not null && user.Identity.IsAuthenticated)
                {
                    // ...
                }

                if (user.IsInRole("Admin"))
                {
                    // ...
                }

                if ((await AuthorizationService.AuthorizeAsync(user, "content-editor"))
                    .Succeeded)
                {
                    // ...
                }
            }
        }
    }
}

References
https://learn.microsoft.com/en-us/aspnet/core/blazor/security/?view=aspnetcore-6.0#procedural-logic

Install V2Ray on Linux

Last Updated on May 29, 2023

bash <(curl -L https://raw.githubusercontent.com/v2fly/fhs-install-v2ray/master/install-release.sh)

/etc/systemd/system/v2ray.service

[Unit]
Description=V2Ray Service
Documentation=https://www.v2fly.org/
After=network.target nss-lookup.target

[Service]
User=nobody
CapabilityBoundingSet=CAP_NET_ADMIN CAP_NET_BIND_SERVICE
AmbientCapabilities=CAP_NET_ADMIN CAP_NET_BIND_SERVICE
NoNewPrivileges=true
ExecStart=/usr/local/bin/v2ray run -config /usr/local/etc/v2ray/config.json
Restart=on-failure
RestartPreventExitStatus=23

[Install]
WantedBy=user. Target
installed: /usr/local/bin/v2ray
installed: /usr/local/share/v2ray/geoip.dat
installed: /usr/local/share/v2ray/geosite.dat
installed: /usr/local/etc/v2ray/config.json
installed: /var/log/v2ray/
installed: /var/log/v2ray/access.log
installed: /var/log/v2ray/error.log
installed: /etc/systemd/system/v2ray.service
installed: /etc/systemd/system/[email protected]
systemctl enable v2ray; systemctl start v2ray

Remove V2Ray

# bash <(curl -L https://raw.githubusercontent.com/v2fly/fhs-install-v2ray/master/install-release.sh) --remove

References
https://github.com/v2fly/fhs-install-v2ray