commit bf12dfb3ab49babbcac613581717c6a0cf47a5dd Author: Tsanie Lily Date: Thu Jan 27 14:16:17 2022 +0800 initialize diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..61c5d57 --- /dev/null +++ b/.gitignore @@ -0,0 +1,390 @@ +# ---> VisualStudio +## Ignore Visual Studio temporary files, build results, and +## files generated by popular Visual Studio add-ons. +## +## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore + +# User-specific files +*.rsuser +*.suo +*.user +*.userosscache +*.sln.docstates + +# User-specific files (MonoDevelop/Xamarin Studio) +*.userprefs + +# Mono auto generated files +mono_crash.* + +# Build results +[Dd]ebug/ +[Dd]ebugPublic/ +[Rr]elease/ +[Rr]eleases/ +x64/ +x86/ +[Ww][Ii][Nn]32/ +[Aa][Rr][Mm]/ +[Aa][Rr][Mm]64/ +bld/ +[Bb]in/ +[Oo]bj/ +[Ll]og/ +[Ll]ogs/ + +# Visual Studio 2015/2017 cache/options directory +.vs/ +# Uncomment if you have tasks that create the project's static files in wwwroot +#wwwroot/ + +# Visual Studio 2017 auto generated files +Generated\ Files/ + +# MSTest test Results +[Tt]est[Rr]esult*/ +[Bb]uild[Ll]og.* + +# NUnit +*.VisualState.xml +TestResult.xml +nunit-*.xml + +# Build Results of an ATL Project +[Dd]ebugPS/ +[Rr]eleasePS/ +dlldata.c + +# Benchmark Results +BenchmarkDotNet.Artifacts/ + +# .NET Core +project.lock.json +project.fragment.lock.json +artifacts/ + +# ASP.NET Scaffolding +ScaffoldingReadMe.txt + +# StyleCop +StyleCopReport.xml + +# Files built by Visual Studio +*_i.c +*_p.c +*_h.h +*.ilk +*.meta +*.obj +*.iobj +*.pch +*.pdb +*.ipdb +*.pgc +*.pgd +*.rsp +*.sbr +*.tlb +*.tli +*.tlh +*.tmp +*.tmp_proj +*_wpftmp.csproj +*.log +*.tlog +*.vspscc +*.vssscc +.builds +*.pidb +*.svclog +*.scc + +# Chutzpah Test files +_Chutzpah* + +# Visual C++ cache files +ipch/ +*.aps +*.ncb +*.opendb +*.opensdf +*.sdf +*.cachefile +*.VC.db +*.VC.VC.opendb + +# Visual Studio profiler +*.psess +*.vsp +*.vspx +*.sap + +# Visual Studio Trace Files +*.e2e + +# TFS 2012 Local Workspace +$tf/ + +# Guidance Automation Toolkit +*.gpState + +# ReSharper is a .NET coding add-in +_ReSharper*/ +*.[Rr]e[Ss]harper +*.DotSettings.user + +# TeamCity is a build add-in +_TeamCity* + +# DotCover is a Code Coverage Tool +*.dotCover + +# AxoCover is a Code Coverage Tool +.axoCover/* +!.axoCover/settings.json + +# Coverlet is a free, cross platform Code Coverage Tool +coverage*.json +coverage*.xml +coverage*.info + +# Visual Studio code coverage results +*.coverage +*.coveragexml + +# NCrunch +_NCrunch_* +.*crunch*.local.xml +nCrunchTemp_* + +# MightyMoose +*.mm.* +AutoTest.Net/ + +# Web workbench (sass) +.sass-cache/ + +# Installshield output folder +[Ee]xpress/ + +# DocProject is a documentation generator add-in +DocProject/buildhelp/ +DocProject/Help/*.HxT +DocProject/Help/*.HxC +DocProject/Help/*.hhc +DocProject/Help/*.hhk +DocProject/Help/*.hhp +DocProject/Help/Html2 +DocProject/Help/html + +# Click-Once directory +publish/ + +# Publish Web Output +*.[Pp]ublish.xml +*.azurePubxml +# Note: Comment the next line if you want to checkin your web deploy settings, +# but database connection strings (with potential passwords) will be unencrypted +*.pubxml +*.publishproj + +# Microsoft Azure Web App publish settings. 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Backup files are not needed, +# because we have git ;-) +_UpgradeReport_Files/ +Backup*/ +UpgradeLog*.XML +UpgradeLog*.htm +ServiceFabricBackup/ +*.rptproj.bak + +# SQL Server files +*.mdf +*.ldf +*.ndf + +# Business Intelligence projects +*.rdl.data +*.bim.layout +*.bim_*.settings +*.rptproj.rsuser +*- [Bb]ackup.rdl +*- [Bb]ackup ([0-9]).rdl +*- [Bb]ackup ([0-9][0-9]).rdl + +# Microsoft Fakes +FakesAssemblies/ + +# GhostDoc plugin setting file +*.GhostDoc.xml + +# Node.js Tools for Visual Studio +.ntvs_analysis.dat +node_modules/ + +# Visual Studio 6 build log +*.plg + +# Visual Studio 6 workspace options file +*.opt + +# Visual Studio 6 auto-generated workspace file (contains which files were open etc.) +*.vbw + +# Visual Studio LightSwitch build output +**/*.HTMLClient/GeneratedArtifacts +**/*.DesktopClient/GeneratedArtifacts +**/*.DesktopClient/ModelManifest.xml +**/*.Server/GeneratedArtifacts +**/*.Server/ModelManifest.xml +_Pvt_Extensions + +# Paket dependency manager +.paket/paket.exe +paket-files/ + +# FAKE - F# Make +.fake/ + +# CodeRush personal settings +.cr/personal + +# Python Tools for Visual Studio (PTVS) +__pycache__/ +*.pyc + +# Cake - Uncomment if you are using it +# tools/** +# !tools/packages.config + +# Tabs Studio +*.tss + +# Telerik's JustMock configuration file +*.jmconfig + +# BizTalk build output +*.btp.cs +*.btm.cs +*.odx.cs +*.xsd.cs + +# OpenCover UI analysis results +OpenCover/ + +# Azure Stream Analytics local run output +ASALocalRun/ + +# MSBuild Binary and Structured Log +*.binlog + +# NVidia Nsight GPU debugger configuration file +*.nvuser + +# MFractors (Xamarin productivity tool) working folder +.mfractor/ + +# Local History for Visual Studio +.localhistory/ + +# BeatPulse healthcheck temp database +healthchecksdb + +# Backup folder for Package Reference Convert tool in Visual Studio 2017 +MigrationBackup/ + +# Ionide (cross platform F# VS Code tools) working folder +.ionide/ + +# Fody - auto-generated XML schema +FodyWeavers.xsd + +# VS Code files for those working on multiple tools +.vscode/* +!.vscode/settings.json +!.vscode/tasks.json +!.vscode/launch.json +!.vscode/extensions.json +*.code-workspace + +# Local History for Visual Studio Code +.history/ + +# Windows Installer files from build outputs +*.cab +*.msi +*.msix +*.msm +*.msp + +# JetBrains Rider +.idea/ +*.sln.iml + diff --git a/DynamicDnsService.sln b/DynamicDnsService.sln new file mode 100644 index 0000000..824b296 --- /dev/null +++ b/DynamicDnsService.sln @@ -0,0 +1,25 @@ + +Microsoft Visual Studio Solution File, Format Version 12.00 +# Visual Studio Version 17 +VisualStudioVersion = 17.0.32014.148 +MinimumVisualStudioVersion = 10.0.40219.1 +Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DynamicDnsService", "DynamicDnsService\DynamicDnsService.csproj", "{E5C3B9A8-6954-4297-B19D-F95E32DF91B1}" +EndProject +Global + GlobalSection(SolutionConfigurationPlatforms) = preSolution + Debug|Any CPU = Debug|Any CPU + Release|Any CPU = Release|Any CPU + EndGlobalSection + GlobalSection(ProjectConfigurationPlatforms) = postSolution + {E5C3B9A8-6954-4297-B19D-F95E32DF91B1}.Debug|Any CPU.ActiveCfg = Debug|Any CPU + {E5C3B9A8-6954-4297-B19D-F95E32DF91B1}.Debug|Any CPU.Build.0 = Debug|Any CPU + {E5C3B9A8-6954-4297-B19D-F95E32DF91B1}.Release|Any CPU.ActiveCfg = Release|Any CPU + {E5C3B9A8-6954-4297-B19D-F95E32DF91B1}.Release|Any CPU.Build.0 = Release|Any CPU + EndGlobalSection + GlobalSection(SolutionProperties) = preSolution + HideSolutionNode = FALSE + EndGlobalSection + GlobalSection(ExtensibilityGlobals) = postSolution + SolutionGuid = {C3B6D074-7774-481F-B76F-3284B5A9EC9A} + EndGlobalSection +EndGlobal diff --git a/DynamicDnsService/DDnsService.cs b/DynamicDnsService/DDnsService.cs new file mode 100644 index 0000000..8b7483f --- /dev/null +++ b/DynamicDnsService/DDnsService.cs @@ -0,0 +1,70 @@ +using System.Net.Http.Json; +using System.Net.NetworkInformation; +using System.Net.Sockets; +using System.Text; + +namespace DynamicDnsService; + +public class DDnsService +{ + private readonly HttpClient _httpClient; + + private const string API_BASE = "https://api.cloudflare.com/client/v4"; + + public DDnsService(HttpClient client) => _httpClient = client; + + public async Task DDnsAsync() + { + string? ip = null; + + foreach (var net in NetworkInterface.GetAllNetworkInterfaces()) + { + var property = net.GetIPProperties(); + var ipInfo = property.UnicastAddresses.FirstOrDefault(i => + i.SuffixOrigin == SuffixOrigin.LinkLayerAddress && + i.Address.AddressFamily == AddressFamily.InterNetworkV6 && + i.Address.ToString().StartsWith("240e")); + if (ipInfo != null) + { + ip = ipInfo.Address.ToString(); + } + } + if (ip == null) + { + return new[] { new ErrorInfo(-1, "Cannot get the IPv6 address.") }; + } + + Result? zone = await _httpClient.GetFromJsonAsync($"{API_BASE}/zones?name=tsanie.org"); + if (zone == null || !zone.success) + { + return zone?.errors; + } + var zoneId = zone.result[0].id; + + Result? record = await _httpClient.GetFromJsonAsync($"{API_BASE}/zones/{zoneId}/dns_records?name=home.tsanie.org&type=AAAA"); + if (record == null || !record.success) + { + return zone?.errors; + } + var recordId = record.result[0].id; + var ipv6 = record.result[0].content; + + if (ip != ipv6) + { + var post = "{\"type\":\"AAAA\",\"name\":\"home.tsanie.org\",\"content\":\"" + ip + "\",\"ttl\":1,\"proxied\":false}"; + var response = await _httpClient.PutAsync($"{API_BASE}/zones/{zoneId}/dns_records/{recordId}", new StringContent(post, Encoding.UTF8, "application/json")); + if (response == null || !response.IsSuccessStatusCode) + { + throw new HttpRequestException(post, null, response?.StatusCode); + } + return new[] { new ErrorInfo(0, $"from {ipv6} to {ip}") }; + } + return null; + } +} + +#pragma warning disable IDE1006 // Naming Styles +public record ContentInfo(string id, string content); +public record ErrorInfo(int code, string message, ErrorInfo[]? error_chain = null); +public record Result(ContentInfo[] result, bool success, ErrorInfo[] errors); +#pragma warning restore IDE1006 // Naming Styles diff --git a/DynamicDnsService/DynamicDnsService.csproj b/DynamicDnsService/DynamicDnsService.csproj new file mode 100644 index 0000000..a6981e8 --- /dev/null +++ b/DynamicDnsService/DynamicDnsService.csproj @@ -0,0 +1,15 @@ + + + + net6.0 + enable + enable + dotnet-DynamicDnsService-D828EA7E-10B5-4C9C-AFA5-B6DD46A2AB24 + + + + + + + + diff --git a/DynamicDnsService/Program.cs b/DynamicDnsService/Program.cs new file mode 100644 index 0000000..b50bb0d --- /dev/null +++ b/DynamicDnsService/Program.cs @@ -0,0 +1,19 @@ +using DynamicDnsService; + +using IHost host = Host.CreateDefaultBuilder(args) + .UseWindowsService(options => + { + options.ServiceName = "DynamicDnsService"; + }) + .ConfigureServices(services => + { + services.AddHostedService(); + services.AddHttpClient(httpClient => + { + httpClient.DefaultRequestHeaders.Add("X-Auth-Email", "test@example.com"); + httpClient.DefaultRequestHeaders.Add("X-Auth-Key", ""); + }); + }) + .Build(); + +await host.RunAsync(); diff --git a/DynamicDnsService/Properties/launchSettings.json b/DynamicDnsService/Properties/launchSettings.json new file mode 100644 index 0000000..4057fb8 --- /dev/null +++ b/DynamicDnsService/Properties/launchSettings.json @@ -0,0 +1,11 @@ +{ + "profiles": { + "DynamicDnsService": { + "commandName": "Project", + "dotnetRunMessages": true, + "environmentVariables": { + "DOTNET_ENVIRONMENT": "Development" + } + } + } +} diff --git a/DynamicDnsService/Worker.cs b/DynamicDnsService/Worker.cs new file mode 100644 index 0000000..c21a089 --- /dev/null +++ b/DynamicDnsService/Worker.cs @@ -0,0 +1,46 @@ +namespace DynamicDnsService +{ + public class Worker : BackgroundService + { + private static readonly EventId eventIpChanged = new(5866, "IP changed"); + + private readonly DDnsService _dnsService; + private readonly ILogger _logger; + + public Worker(DDnsService dnsService, ILogger logger) + { + _dnsService = dnsService; + _logger = logger; + } + + protected override async Task ExecuteAsync(CancellationToken stoppingToken) + { + while (!stoppingToken.IsCancellationRequested) + { + try + { + var result = await _dnsService.DDnsAsync(); + if (result != null) + { + if (result.FirstOrDefault() is ErrorInfo ev && ev.code == 0) + { + _logger.LogWarning(eventIpChanged, "Home dns has been changed. {message}", ev.message); + } + else + { + foreach (var e in result) + { + _logger.LogError(new EventId(e.code), "Error occurs, {detail}", e.message); + } + } + } + } + catch (Exception ex) + { + _logger.LogError(ex, "DDns failed with {message}, at {time}", ex.Message, DateTimeOffset.Now); + } + await Task.Delay(TimeSpan.FromMinutes(4), stoppingToken); + } + } + } +} \ No newline at end of file diff --git a/DynamicDnsService/appsettings.Development.json b/DynamicDnsService/appsettings.Development.json new file mode 100644 index 0000000..38bfd91 --- /dev/null +++ b/DynamicDnsService/appsettings.Development.json @@ -0,0 +1,13 @@ +{ + "Logging": { + "EventLog": { + "LogLevel": { + "Default": "Information" + } + }, + "LogLevel": { + "Default": "Information", + "Microsoft.Hosting.Lifetime": "Information" + } + } +} diff --git a/DynamicDnsService/appsettings.json b/DynamicDnsService/appsettings.json new file mode 100644 index 0000000..3716af1 --- /dev/null +++ b/DynamicDnsService/appsettings.json @@ -0,0 +1,13 @@ +{ + "Logging": { + "EventLog": { + "LogLevel": { + "Default": "Warning" + } + }, + "LogLevel": { + "Default": "Information", + "Microsoft.Hosting.Lifetime": "Information" + } + } +}