Files
btcpayserver/BTCPayServer/Plugins/PluginManager.cs

596 lines
33 KiB
C#

#nullable enable
using System;
using System.Collections;
using System.Collections.Generic;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using System.IO.Compression;
using System.Linq;
using System.Reflection;
using System.Text.RegularExpressions;
using BTCPayServer.Abstractions.Contracts;
using BTCPayServer.Configuration;
using BTCPayServer.Plugins.Dotnet;
using Microsoft.AspNetCore.Builder;
using Microsoft.AspNetCore.Hosting;
using Microsoft.AspNetCore.Server.Kestrel.Core;
using Microsoft.Extensions.Configuration;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.FileProviders;
using Microsoft.Extensions.Logging;
using Newtonsoft.Json.Linq;
namespace BTCPayServer.Plugins
{
public static class PluginManager
{
public const string BTCPayPluginSuffix = ".btcpay";
private static readonly List<Assembly> _pluginAssemblies = new ();
public static bool IsExceptionByPlugin(Exception exception, [MaybeNullWhen(false)] out string pluginName)
{
var fromAssembly = exception is TypeLoadException
? Regex.Match(exception.Message, "from assembly '(.*?),").Groups[1].Value
: null;
foreach (var assembly in _pluginAssemblies)
{
var assemblyName = assembly.GetName().Name;
if (assemblyName is null)
continue;
// Comparison is case sensitive as it is theoretically possible to have a different plugin
// with same name but different casing.
if (exception.Source is not null &&
assemblyName.Equals(exception.Source, StringComparison.Ordinal))
{
pluginName = assemblyName;
return true;
}
if (exception.Message.Contains(assemblyName, StringComparison.Ordinal))
{
pluginName = assemblyName;
return true;
}
// For TypeLoadException, check if it might come from areferenced assembly
if (!string.IsNullOrEmpty(fromAssembly) && assembly.GetReferencedAssemblies().Select(a => a.Name).Contains(fromAssembly))
{
pluginName = assemblyName;
return true;
}
}
pluginName = null;
return false;
}
record PreloadedPlugin(IBTCPayServerPlugin Instance, PluginLoader? Loader, Assembly Assembly);
class PreloadedPlugins : IEnumerable<PreloadedPlugin>
{
List<PreloadedPlugin> _plugins = new();
readonly Dictionary<string, PreloadedPlugin> _preloadedPluginsByIdentifier = new(StringComparer.OrdinalIgnoreCase);
public bool Contains(string identifier) => _preloadedPluginsByIdentifier.ContainsKey(identifier);
public void Add(PreloadedPlugin plugin)
{
if (!_preloadedPluginsByIdentifier.TryAdd(plugin.Instance.Identifier, plugin))
return;
_plugins.Add(plugin);
}
public IEnumerator<PreloadedPlugin> GetEnumerator() => _plugins.GetEnumerator();
IEnumerator IEnumerable.GetEnumerator() => _plugins.GetEnumerator();
public void Clear()
{
_plugins.Clear();
_preloadedPluginsByIdentifier.Clear();
}
public void TopologicalSort()
{
// We want to run all the system plugins first.
// Then the rest topologically sorted.
var ordered = new List<PreloadedPlugin>(_plugins.Count);
var topological = _plugins.TopologicalSort(
p => p.Instance.Dependencies.Select(d => d.Identifier),
p => p.Instance.Identifier,
p=> p, Comparer<PreloadedPlugin>.Create((a, b) => string.Compare(a.Instance.Identifier, b.Instance.Identifier, StringComparison.Ordinal))).ToList();
foreach (var p in topological.Where(t => t.Instance.SystemPlugin))
ordered.Add(p);
foreach (var p in topological.Where(t => !t.Instance.SystemPlugin))
ordered.Add(p);
_plugins = ordered;
}
public PreloadedPlugin? TryGet(string identifier)
{
_preloadedPluginsByIdentifier.TryGetValue(identifier, out var p);
return p;
}
}
public static IMvcBuilder AddPlugins(this IMvcBuilder mvcBuilder, IServiceCollection serviceCollection,
IConfiguration config, ILoggerFactory loggerFactory, ServiceProvider bootstrapServiceProvider)
{
void PreloadPluginsFromAssemblies(Assembly systemAssembly1, HashSet<string> exclude, PreloadedPlugins preloadedPlugins)
{
var excludedAssemblies = "System.Private.CoreLib,testhost,System.Runtime,Microsoft.TestPlatform.CoreUtilities,System.Diagnostics.Tracing,System.Diagnostics.Debug,System.Runtime.Extensions,System.Diagnostics.Process,System.ComponentModel.Primitives,Microsoft.TestPlatform.PlatformAbstractions,System.Collections,Microsoft.TestPlatform.CrossPlatEngine,netstandard,Microsoft.TestPlatform.CommunicationUtilities,Microsoft.VisualStudio.TestPlatform.ObjectModel,Microsoft.VisualStudio.TestPlatform.Common,Newtonsoft.Json,System.Runtime.Serialization.Formatters,System.Collections.Concurrent,System.Diagnostics.TraceSource,System.Threading,System.IO.FileSystem,System.Runtime.InteropServices,System.Memory,Microsoft.Win32.Primitives,System.Threading.ThreadPool,System.Net.Primitives,System.Collections.NonGeneric,System.Net.Sockets,System.Private.Uri,System.Threading.Overlapped,System.Runtime.Intrinsics,System.Linq.Expressions,System.Runtime.Numerics,System.Linq,System.ComponentModel.TypeConverter,System.ObjectModel,System.Runtime.Serialization.Primitives,System.Data.Common,System.Xml.ReaderWriter,System.Private.Xml,System.ComponentModel,System.Reflection.Emit.ILGeneration,System.Reflection.Emit.Lightweight,System.Reflection.Primitives,Anonymously Hosted DynamicMethods Assembly,System.Runtime.Loader,System.Reflection.Metadata,System.IO.MemoryMappedFiles,System.Collections.Immutable,System.Text.Encoding.Extensions,xunit.runner.visualstudio.testadapter,System.Runtime.Serialization.Json,System.Private.DataContractSerialization,System.Runtime.Serialization.Xml,System.Resources.ResourceManager,xunit.runner.utility.netcoreapp10,xunit.abstractions,System.Text.RegularExpressions,System.Runtime.InteropServices.RuntimeInformation,NuGet.Frameworks,System.Xml.XDocument,System.Private.Xml.Linq,System.Threading.Thread,System.Globalization,System.IO,System.Reflection,System.Reflection.TypeExtensions,xunit.runner.reporters.netcoreapp10,System.Threading.Tasks,System.Net.Http,System.Reflection.Extensions,BTCPayServer.Tests,Microsoft.AspNetCore.Mvc.ViewFeatures,Microsoft.AspNetCore.Mvc.Core,Microsoft.AspNetCore.Mvc.Abstractions,xunit.core,BTCPayServer.Rating,Microsoft.Extensions.Logging.Abstractions,NBitpayClient,NBitcoin,BTCPayServer.Client,BTCPayServer.Data,Microsoft.AspNetCore.Http.Abstractions,BTCPayServer.Abstractions,BTCPayServer.Lightning.Common,Microsoft.EntityFrameworkCore,NBXplorer.Client,BTCPayServer.BIP78.Sender,Microsoft.Extensions.Identity.Stores,LNURL,Renci.SshNet,Microsoft.Extensions.Identity.Core,Newtonsoft.Json.Schema,Microsoft.AspNetCore.Razor.Language,Microsoft.CodeAnalysis.CSharp,Microsoft.CodeAnalysis,xunit.execution.dotnet,Microsoft.Extensions.Configuration.UserSecrets,System.Text.Encoding,BTCPayServer.Common,WebDriver,System.Drawing.Primitives,xunit.assert,Microsoft.Extensions.Configuration.Abstractions,Microsoft.Extensions.DependencyInjection,Microsoft.Extensions.DependencyInjection.Abstractions,Microsoft.Extensions.Configuration,Microsoft.Extensions.Primitives,StandardConfiguration,CommandLine,System.Security.Cryptography.Algorithms,System.Security.Cryptography,System.Security.Cryptography.Primitives,NBitcoin.Altcoins,ExchangeSharp,Microsoft.Extensions.Http,Microsoft.Extensions.Hosting.Abstractions,Microsoft.Extensions.Logging,Microsoft.Extensions.Options,Microsoft.Extensions.Diagnostics,System.Diagnostics.DiagnosticSource,System.Net.Security,System.Net.NameResolution,Microsoft.Extensions.Configuration.FileExtensions,Microsoft.Extensions.Configuration.Json,Microsoft.AspNetCore.Hosting,Microsoft.AspNetCore.Hosting.Abstractions,Microsoft.AspNetCore.Server.Kestrel,Microsoft.Extensions.Features,Microsoft.AspNetCore.Hosting.Server.Abstractions,Microsoft.Extensions.Configuration.EnvironmentVariables,CommandLine.Configuration,Microsoft.Extensions.Configuration.Ini,Microsoft.Extensions.FileProviders.Abstractions,Microsoft.Extensions.FileProviders.Physical,Microsoft.AspNetCore.Server.Kestrel.Transport.Quic,Microsoft.AspNetCore.Server.Kestrel.Transport.NamedPipes,System.Net.Quic,Microsoft.Win32.Registry,Microsoft.AspNetCore.Http,Microsoft.AspNetCore.Razor.Runtime,Microsoft.AspNetCore.Connections.Abstractions,Microsoft.AspNetCore.Server.Kestrel.Transport.Sockets,Microsoft.AspNetCore.Server.Kestrel.Core,Microsoft.Extensions.ObjectPool,NicolasDorier.RateLimits,Microsoft.Extensions.Caching.Memory,Microsoft.AspNetCore.DataProtection,Microsoft.AspNetCore.Identity,Microsoft.AspNetCore.Identity.EntityFrameworkCore,Microsoft.AspNetCore.Authentication.Abstractions,Microsoft.AspNetCore.Authentication.Cookies,Microsoft.AspNetCore.Authentication,Microsoft.AspNetCore.Session,Microsoft.AspNetCore.SignalR,Microsoft.AspNetCore.SignalR.Core,Microsoft.AspNetCore.SignalR.Common,Fido2.Models,Fido2.AspNet,Fido2,Microsoft.AspNetCore.Mvc,Microsoft.AspNetCore.Mvc.Razor,Microsoft.AspNetCore.Mvc.NewtonsoftJson,Microsoft.AspNetCore.Mvc.Razor.RuntimeCompilation,Microsoft.AspNetCore.Mvc.DataAnnotations,Microsoft.AspNetCore.Components.Server,Microsoft.AspNetCore.Components.Endpoints,Microsoft.AspNetCore.Routing.Abstractions,Microsoft.Extensions.Caching.Abstractions,Microsoft.AspNetCore.DataProtection.Abstractions,Microsoft.AspNetCore.Cryptography.Internal,Microsoft.AspNetCore.Authentication.Core,System.Security.Claims,Microsoft.Extensions.WebEncoders,System.Text.Encodings.Web,Microsoft.Extensions.Localization.Abstractions,Microsoft.AspNetCore.Mvc.Localization,Npgsql.EntityFrameworkCore.PostgreSQL,Microsoft.AspNetCore.Diagnostics,HtmlSanitizer,Microsoft.AspNetCore.Authorization,Microsoft.AspNetCore.Authorization.Policy,Microsoft.AspNetCore.Cors,System.ComponentModel.Annotations,Serilog,Serilog.Sinks.File,Serilog.Extensions.Logging,Microsoft.Extensions.Configuration.Binder,Microsoft.AspNetCore.Http.Features,TwentyTwenty.Storage,TwentyTwenty.Storage.Azure,Microsoft.AspNetCore.WebSockets,Microsoft.AspNetCore.Http.Connections,Microsoft.AspNetCore.Routing,Microsoft.AspNetCore.SignalR.Protocols.Json,System.Text.Json,McMaster.NETCore.Plugins.Mvc,Microsoft.AspNetCore.Mvc.ApiExplorer,Microsoft.AspNetCore.Mvc.Cors,Microsoft.AspNetCore.Antiforgery,Microsoft.AspNetCore.Components,Microsoft.AspNetCore.Components.Web,Microsoft.JSInterop,Microsoft.AspNetCore.Mvc.TagHelpers,Microsoft.AspNetCore.Razor,Microsoft.AspNetCore.Mvc.RazorPages,Microsoft.AspNetCore.Html.Abstractions,McMaster.NETCore.Plugins,Selenium,Selenium.Support,Selenium.WebDriver,Selenium.WebDriver.ChromeDriver,WebDriver.Support"
.Split(',').ToHashSet();
// Load the referenced assembly plugins
// All referenced plugins should have at least one plugin with exact same plugin identifier
// as the assembly. Except for the system assembly (btcpayserver assembly) which are fake plugins
foreach (var assembly in AppDomain.CurrentDomain.GetAssemblies())
{
var assemblyName = assembly.GetName().Name;
if (assemblyName is null || excludedAssemblies.Contains(assemblyName))
continue;
var isSystemPlugin = assembly == systemAssembly1;
if (!isSystemPlugin && exclude.Contains(assemblyName))
continue;
foreach (var plugin in GetPluginInstancesFromAssembly(assembly, true))
{
if (!isSystemPlugin && plugin.Identifier != assemblyName)
continue;
preloadedPlugins.Add(new PreloadedPlugin(plugin, null, assembly));
plugin.SystemPlugin = isSystemPlugin;
}
}
}
var logger = loggerFactory.CreateLogger(typeof(PluginManager));
var pluginsFolder = new DataDirectories().Configure(config).PluginDir;
var preloadedPlugins = new PreloadedPlugins();
serviceCollection.Configure<KestrelServerOptions>(options =>
{
options.Limits.MaxRequestBodySize = int.MaxValue; // if don't set default value is: 30 MB
});
logger.LogInformation($"Loading plugins from {pluginsFolder}");
Directory.CreateDirectory(pluginsFolder);
ExecuteCommands(pluginsFolder);
var disabledPluginIdentifiers = GetDisabledPluginIdentifiers(pluginsFolder);
var systemAssembly = typeof(Program).Assembly;
PreloadPluginsFromAssemblies(systemAssembly, disabledPluginIdentifiers, preloadedPlugins);
if (ExecuteCommands(pluginsFolder, preloadedPlugins.ToDictionary(p => p.Instance.Identifier, p => p.Instance.Version)))
{
preloadedPlugins.Clear();
PreloadPluginsFromAssemblies(systemAssembly, disabledPluginIdentifiers, preloadedPlugins);
}
var pluginsToPreload = new List<(string PluginIdentifier, string PluginFilePath)>();
#if DEBUG
// Load from DEBUG_PLUGINS, in an optional appsettings.dev.json
var debugPlugins = config["DEBUG_PLUGINS"] ?? "";
foreach (var plugin in debugPlugins.Split(';', StringSplitOptions.RemoveEmptyEntries))
{
// Formatted either as "<PLUGIN_IDENTIFIER>::<PathToDll>" or "<PathToDll>"
var idx = plugin.IndexOf("::", StringComparison.Ordinal);
var filePath = plugin;
if (idx != -1)
{
filePath = plugin[(idx + 1)..];
filePath = Path.GetFullPath(filePath);
pluginsToPreload.Add((plugin[0..idx], filePath));
}
else
{
filePath = Path.GetFullPath(filePath);
pluginsToPreload.Add((Path.GetFileNameWithoutExtension(plugin), filePath));
}
}
#endif
// Load from the plugins folder
foreach (var directory in Directory.GetDirectories(pluginsFolder))
{
var pluginIdentifier = Path.GetFileName(directory);
var pluginFilePath = Path.Combine(directory, pluginIdentifier + ".dll");
if (!File.Exists(pluginFilePath))
continue;
if (disabledPluginIdentifiers.Contains(pluginIdentifier))
continue;
pluginsToPreload.Add((pluginIdentifier, pluginFilePath));
}
var toDisable = new List<string>();
foreach (var toLoad in pluginsToPreload)
{
if (preloadedPlugins.Contains(toLoad.PluginIdentifier))
continue;
try
{
var loader = PluginLoader.CreateFromAssemblyFile(
toLoad.PluginFilePath, // create a plugin from for the .dll file
c =>
{
// this ensures that the version of MVC is shared between this app and the plugin
c.PreferSharedTypes = true;
c.IsUnloadable = false;
});
var pluginAssembly = loader.LoadDefaultAssembly();
var p = GetPluginInstanceFromAssembly(toLoad.PluginIdentifier, pluginAssembly, silentlyFails: true);
if (p == null)
{
logger.LogError($"The plugin assembly doesn't contain the plugin {toLoad.PluginIdentifier}");
toDisable.Add(toLoad.PluginIdentifier);
}
else
{
p.SystemPlugin = false;
preloadedPlugins.Add(new(p, loader, pluginAssembly));
}
}
catch (Exception e)
{
logger.LogError(e, $"Error when loading plugin {toLoad.PluginIdentifier}.");
toDisable.Add(toLoad.PluginIdentifier);
}
}
preloadedPlugins.TopologicalSort();
var loadedPlugins = new List<PreloadedPlugin>();
foreach (var preloadedPlugin in preloadedPlugins)
{
var plugin = preloadedPlugin.Instance;
try
{
AssertDependencies(plugin, loadedPlugins);
if (preloadedPlugin.Loader is { } loader)
loader.AddAssemblyLoadContexts(
plugin.Dependencies
.Select(d => preloadedPlugins.TryGet(d.Identifier)?.Loader)
.Where(d => d is not null)
.ToArray()!);
// silentlyFails is false, because we want this to throw if there is any missing assembly.
GetPluginInstanceFromAssembly(plugin.Identifier, preloadedPlugin.Assembly, silentlyFails: false);
if (preloadedPlugin.Loader is not null)
mvcBuilder.AddPluginLoader(preloadedPlugin.Loader);
_pluginAssemblies.Add(preloadedPlugin.Assembly);
logger.LogInformation(
$"Adding and executing plugin {plugin.Identifier} - {plugin.Version}");
var pluginServiceCollection = new PluginServiceCollection(serviceCollection, bootstrapServiceProvider);
plugin.Execute(pluginServiceCollection);
serviceCollection.AddSingleton(plugin);
loadedPlugins.Add(preloadedPlugin);
}
catch (MissingDependenciesException e)
{
// The difference is that we don't print the stacktrace and we do not disable it
logger.LogError($"Error when executing plugin {plugin.Identifier} - {plugin.Version}: {e.Message}");
}
catch (Exception e)
{
logger.LogError(e, $"Error when executing plugin {plugin.Identifier} - {plugin.Version}.");
if (!plugin.SystemPlugin)
toDisable.Add(plugin.Identifier);
}
}
if (toDisable.Count > 0)
{
foreach (var plugin in toDisable)
DisablePlugin(pluginsFolder, plugin);
var crashedPluginsStr = string.Join(", ", toDisable);
throw new ConfigException($"The following plugin(s) crashed at startup, they will be disabled and the server will restart: {crashedPluginsStr}");
}
return mvcBuilder;
}
class MissingDependenciesException(string message) : Exception(message);
private static void AssertDependencies(IBTCPayServerPlugin plugin, List<PreloadedPlugin> loaded)
{
var missing = new List<IBTCPayServerPlugin.PluginDependency>();
var installed = loaded.ToDictionary(l => l.Instance.Identifier, l => l.Instance.Version);
foreach (var d in plugin.Dependencies)
{
if (!DependencyMet(d, installed))
{
missing.Add(d);
}
}
if (missing.Any())
{
throw new MissingDependenciesException(
$"Plugin {plugin.Identifier} is missing dependencies: {string.Join(", ", missing.Select(d => d.ToString()))}");
}
}
public static void UsePlugins(this IApplicationBuilder applicationBuilder)
{
var assemblies = new HashSet<Assembly>();
foreach (var extension in applicationBuilder.ApplicationServices
.GetServices<IBTCPayServerPlugin>())
{
extension.Execute(applicationBuilder,
applicationBuilder.ApplicationServices);
assemblies.Add(extension.GetType().Assembly);
}
var webHostEnvironment = applicationBuilder.ApplicationServices.GetRequiredService<IWebHostEnvironment>();
var providers = new List<IFileProvider>() { webHostEnvironment.WebRootFileProvider };
providers.AddRange(assemblies.Select(a => new EmbeddedFileProvider(a)));
webHostEnvironment.WebRootFileProvider = new CompositeFileProvider(providers);
}
private static IEnumerable<IBTCPayServerPlugin> GetPluginInstancesFromAssembly(Assembly assembly, bool silentlyFails)
{
return GetTypes(assembly, silentlyFails).Where(type =>
typeof(IBTCPayServerPlugin).IsAssignableFrom(type) && type != typeof(PluginService.AvailablePlugin) &&
!type.IsAbstract).
Select(type => Activator.CreateInstance(type, Array.Empty<object>()) as IBTCPayServerPlugin)
.Where(t => t is not null)!;
}
private static IEnumerable<Type> GetTypes(Assembly assembly, bool silentlyFails)
{
try
{
return assembly.GetTypes();
}
catch (ReflectionTypeLoadException ex) when (silentlyFails)
{
return ex.Types.Where(t => t is not null)!;
}
}
private static IBTCPayServerPlugin? GetPluginInstanceFromAssembly(string pluginIdentifier, Assembly assembly, bool silentlyFails)
{
return GetPluginInstancesFromAssembly(assembly, silentlyFails).FirstOrDefault(plugin => plugin.Identifier == pluginIdentifier);
}
private static bool ExecuteCommands(string pluginsFolder, Dictionary<string, Version>? installed = null)
{
var pendingCommands = GetPendingCommands(pluginsFolder);
if (!pendingCommands.Any())
{
return false;
}
var remainingCommands = (from command in pendingCommands where !ExecuteCommand(command, pluginsFolder, installed) select $"{command.command}:{command.plugin}").ToList();
if (remainingCommands.Any())
{
File.WriteAllLines(Path.Combine(pluginsFolder, "commands"), remainingCommands);
}
else
{
File.Delete(Path.Combine(pluginsFolder, "commands"));
}
return remainingCommands.Count != pendingCommands.Length;
}
private static Dictionary<string, (Version?, IBTCPayServerPlugin.PluginDependency[]? Dependencies, bool Disabled)> TryGetInstalledInfo(
string pluginsFolder)
{
var disabled = GetDisabledPluginIdentifiers(pluginsFolder);
var installed = new Dictionary<string, (Version?, IBTCPayServerPlugin.PluginDependency[]? Dependencies, bool Disabled)>();
foreach (var pluginDir in Directory.EnumerateDirectories(pluginsFolder))
{
var plugin = Path.GetFileName(pluginDir);
var dirName = Path.Combine(pluginsFolder, plugin);
var isDisabled = disabled.Contains(plugin);
var manifestFileName = Path.Combine(dirName, plugin + ".json");
if (File.Exists(manifestFileName))
{
var pluginManifest = JObject.Parse(File.ReadAllText(manifestFileName)).ToObject<PluginService.AvailablePlugin>();
if (pluginManifest is not null)
installed.TryAdd(pluginManifest.Identifier, (pluginManifest.Version, pluginManifest.Dependencies, isDisabled));
}
else if (isDisabled)
{
// Disabled plugin might not have a manifest, but we still need to include
// it in the list, so that it can be shown on the Manage Plugins page
installed.TryAdd(plugin, (null, null, true));
}
}
return installed;
}
private static bool DependenciesMet(string pluginsFolder, string plugin, Dictionary<string, Version> installed)
{
var dirName = Path.Combine(pluginsFolder, plugin);
var manifestFileName = dirName + ".json";
if (!File.Exists(manifestFileName)) return true;
var pluginManifest = JObject.Parse(File.ReadAllText(manifestFileName)).ToObject<PluginService.AvailablePlugin>();
if (pluginManifest is not null)
return DependenciesMet(pluginManifest.Dependencies, installed);
return true;
}
private static bool ExecuteCommand((string command, string extension) command, string pluginsFolder, Dictionary<string, Version> installed)
{
var dirName = Path.Combine(pluginsFolder, command.extension);
switch (command.command)
{
case "update":
if (!DependenciesMet(pluginsFolder, command.extension, installed))
return false;
ExecuteCommand(("delete", command.extension), pluginsFolder, installed);
ExecuteCommand(("install", command.extension), pluginsFolder, installed);
break;
case "delete":
ExecuteCommand(("enable", command.extension), pluginsFolder, installed);
if (File.Exists(dirName))
{
File.Delete(dirName);
}
if (Directory.Exists(dirName))
{
Directory.Delete(dirName, true);
}
break;
case "install":
var fileName = dirName + BTCPayPluginSuffix;
var manifestFileName = dirName + ".json";
if (!DependenciesMet(pluginsFolder, command.extension, installed))
return false;
ExecuteCommand(("enable", command.extension), pluginsFolder, installed);
if (File.Exists(fileName))
{
ZipFile.ExtractToDirectory(fileName, dirName, true);
File.Delete(fileName);
if (File.Exists(manifestFileName))
{
File.Move(manifestFileName, Path.Combine(dirName, Path.GetFileName(manifestFileName)));
}
}
break;
case "disable":
if (Directory.Exists(dirName))
{
if (File.Exists(Path.Combine(pluginsFolder, "disabled")))
{
var disabled = File.ReadAllLines(Path.Combine(pluginsFolder, "disabled"));
if (!disabled.Contains(command.extension))
{
File.AppendAllLines(Path.Combine(pluginsFolder, "disabled"), new[] { command.extension });
}
}
else
{
File.AppendAllLines(Path.Combine(pluginsFolder, "disabled"), new[] { command.extension });
}
}
break;
case "enable":
if (File.Exists(Path.Combine(pluginsFolder, "disabled")))
{
var disabled = File.ReadAllLines(Path.Combine(pluginsFolder, "disabled"));
if (disabled.Contains(command.extension))
{
File.WriteAllLines(Path.Combine(pluginsFolder, "disabled"), disabled.Where(s => s != command.extension));
}
}
break;
}
return true;
}
public static (string command, string plugin)[] GetPendingCommands(string pluginsFolder)
{
if (!File.Exists(Path.Combine(pluginsFolder, "commands")))
return Array.Empty<(string command, string plugin)>();
var commands = File.ReadAllLines(Path.Combine(pluginsFolder, "commands"));
return commands.Select(s =>
{
var split = s.Split(':');
return (split[0].ToLower(CultureInfo.InvariantCulture), split[1]);
}).ToArray();
}
public static void QueueCommands(string pluginsFolder, params (string action, string plugin)[] commands)
{
File.AppendAllLines(Path.Combine(pluginsFolder, "commands"),
commands.Select((tuple) => $"{tuple.action}:{tuple.plugin}"));
}
public static void CancelCommands(string pluginDir, string plugin)
{
var cmds = GetPendingCommands(pluginDir).Where(tuple =>
!tuple.plugin.Equals(plugin, StringComparison.InvariantCultureIgnoreCase)).ToArray();
if (File.Exists(Path.Combine(pluginDir, plugin, BTCPayPluginSuffix)))
{
File.Delete(Path.Combine(pluginDir, plugin, BTCPayPluginSuffix));
}
if (File.Exists(Path.Combine(pluginDir, plugin, ".json")))
{
File.Delete(Path.Combine(pluginDir, plugin, ".json"));
}
File.Delete(Path.Combine(pluginDir, "commands"));
QueueCommands(pluginDir, cmds);
}
public static void DisablePlugin(string pluginDir, string plugin)
{
QueueCommands(pluginDir, ("disable", plugin));
}
// Loads the list of disabled plugins from the file
private static HashSet<string> GetDisabledPluginIdentifiers(string pluginsFolder)
{
var disabledPath = Path.Combine(pluginsFolder, "disabled");
return File.Exists(disabledPath) ? File.ReadAllLines(disabledPath).ToHashSet() : [];
}
// List of disabled plugins with additional info, like the disabled version and its dependencies
public static Dictionary<string, Version?> GetDisabledPlugins(string pluginsFolder)
{
return TryGetInstalledInfo(pluginsFolder).Where(pair => pair.Value.Disabled)
.ToDictionary(pair => pair.Key, pair => pair.Value.Item1);
}
public static bool DependencyMet(IBTCPayServerPlugin.PluginDependency dependency,
Dictionary<string, Version>? installed = null)
{
var plugin = dependency.Identifier.ToLowerInvariant();
var versionReq = dependency.Condition;
// ensure installed is not null and has lowercased keys for comparison
installed = installed == null
? new Dictionary<string, Version>()
: installed.ToDictionary(x => x.Key.ToLowerInvariant(), x => x.Value);
if (!installed.ContainsKey(plugin) && !versionReq.Equals("!"))
{
return false;
}
var versionConditions = versionReq.Split("||", StringSplitOptions.RemoveEmptyEntries);
return versionConditions.Any(s =>
{
s = s.Trim();
var v = s.Substring(1);
if (s[1] == '=')
{
v = s.Substring(2);
}
var parsedV = Version.Parse(v);
switch (s)
{
case { } xx when xx.StartsWith(">="):
return installed[plugin] >= parsedV;
case { } xx when xx.StartsWith("<="):
return installed[plugin] <= parsedV;
case { } xx when xx.StartsWith(">"):
return installed[plugin] > parsedV;
case { } xx when xx.StartsWith("<"):
return installed[plugin] < parsedV;
case { } xx when xx.StartsWith("^"):
return installed[plugin] >= parsedV && installed[plugin].Major == parsedV.Major;
case { } xx when xx.StartsWith("~"):
return installed[plugin] >= parsedV && installed[plugin].Major == parsedV.Major &&
installed[plugin].Minor == parsedV.Minor;
case { } xx when xx.StartsWith("!="):
return installed[plugin] != parsedV;
case { } xx when xx.StartsWith("=="):
default:
return installed[plugin] == parsedV;
}
});
}
public static bool DependenciesMet(IEnumerable<IBTCPayServerPlugin.PluginDependency> dependencies,
Dictionary<string, Version>? installed)
{
return dependencies.All(dependency => DependencyMet(dependency, installed));
}
}
}