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+using System.Collections.Generic; +using System.IO; +using System.Text; + +namespace PMF +{ + public static class Config + { + // This is project manifest, not package manifests, those are handled automagically + public static string ManifestFileName { get; set; } + + public static string PackageInstallationFolder { get; set; } + + public static string RepositoryEndpoint { get; set; } + + public static Version CurrentSdkVersion { get; set; } + + public static bool IsDebugging { get; set; } + + public static string TemporaryFolder = ".pmf-temp"; + + public static void DEBUG(string message) + { + Console.WriteLine("DEBUG: " + message); + } + } +} diff --git a/PMF/src/Exceptions/NotFoundException.cs b/PMF/src/Exceptions/NotFoundException.cs new file mode 100644 index 0000000..c9bbb0d --- /dev/null +++ b/PMF/src/Exceptions/NotFoundException.cs @@ -0,0 +1,13 @@ +using System; +using System.Collections.Generic; +using System.Text; + +namespace PMF.Exceptions +{ + /// + /// Happens when iterating through an array and an object matching it's description is not found + /// + public class NotFoundException : Exception + { + } +} diff --git a/PMF/src/Extensions.cs b/PMF/src/Extensions.cs new file mode 100644 index 0000000..a1e2510 --- /dev/null +++ b/PMF/src/Extensions.cs @@ -0,0 +1,48 @@ +using PMF.Exceptions; +using System; +using System.Collections.Generic; +using System.Text; + +namespace PMF +{ + public static class Extensions + { + /// + /// Nice hack to reuse this bit of code very effectively, this method is just used in List where T is Package, otherwise this method doesn't even show up + /// + /// + /// + public static bool Remove(this List list, string id) + { + for (int i = 0; i < list.Count; i++) + { + if (list[i].ID == id) + { + list.RemoveAt(i); + return true; + } + } + + return false; + } + + + /// + /// Same as Remove, but it Retrieves + /// + /// + /// + /// + public static Package GetPackage(this List list, string id) + { + if (id == null || id.Length == 0) + throw new ArgumentNullException(); + + Package package = list.Find((p) => p.ID == id); + if (package == null) + throw new NotFoundException(); + + return package; + } + } +} diff --git a/PMF/src/GlobalSuppressions.cs b/PMF/src/GlobalSuppressions.cs new file mode 100644 index 0000000..fa57d7f --- /dev/null +++ b/PMF/src/GlobalSuppressions.cs @@ -0,0 +1,8 @@ +// This file is used by Code Analysis to maintain SuppressMessage +// attributes that are applied to this project. +// Project-level suppressions either have no target or are given +// a specific target and scoped to a namespace, type, member, etc. + +using System.Diagnostics.CodeAnalysis; + +[assembly: SuppressMessage("Style", "IDE1006:Naming Styles")] diff --git a/PMF/src/Managers/LocalPackageManager.cs b/PMF/src/Managers/LocalPackageManager.cs new file mode 100644 index 0000000..d157109 --- /dev/null +++ b/PMF/src/Managers/LocalPackageManager.cs @@ -0,0 +1,124 @@ +using Newtonsoft.Json; +using Newtonsoft.Json.Linq; +using System; +using System.Collections.Generic; +using System.IO; +using System.IO.Compression; +using System.Text; + +namespace PMF.Managers +{ + /// + /// Manages all the local files + /// + public static class LocalPackageManager + { + public static List PackageList { get; private set; } + + /// + /// Does all the checking locally when the program starts + /// THIS NEEDS TO BE CALLED! + /// + public static void Start() + { + validateManifestFile(); + + try + { + var json = File.ReadAllText(Config.ManifestFileName); + PackageList = JsonConvert.DeserializeObject>(json); + } + catch (FileNotFoundException) + { + // Something failed with validateManifestFile() + } + } + + /// + /// Saves everything to disk + /// THIS NEEDS TO BE CALLED! + /// + public static void Stop() + { + validateManifestFile(); + + var json = JsonConvert.SerializeObject(PackageList); + + try + { + File.WriteAllText(Config.ManifestFileName, json); + Directory.Delete(Config.TemporaryFolder, true); + } + catch (IOException) + { + // Something failed with validateManifestFile() + } + } + + private static void validateManifestFile() + { + if (!File.Exists(Config.ManifestFileName)) + File.Create(Config.ManifestFileName).Close(); + if (PackageList == null) + PackageList = new List(); + } + + public static bool IsPackageInstalled(string id, out Package package, out string packageDirectory) + { + package = null; + + packageDirectory = Path.Combine(Config.PackageInstallationFolder, id); + if (!Directory.Exists(packageDirectory)) + return false; + + try + { + package = PackageList.GetPackage(id); + return true; + } + catch + { + return false; + } + } + + public static bool RemovePackage(string id) + { + if (string.IsNullOrEmpty(id)) + throw new ArgumentNullException(); + + try + { + string packageDirectory = Path.Combine(Config.PackageInstallationFolder, id); + Directory.Delete(packageDirectory, true); + } + catch + { + // Do nothing, user probably already deleted the folder + } + + return PackageList.Remove(id); + } + + /// + /// Extracts zip files and registeres this package as installed + /// + /// The package which is to be installed + /// The version of the asset being installed + /// + public static void InstallPackage(Package remotePackage, Asset asset, string zipPath, out Package package) + { + ZipFile.ExtractToDirectory(Path.Combine(zipPath, asset.FileName), Path.Combine(Config.PackageInstallationFolder, remotePackage.ID)); + + foreach (var dependency in asset.Dependencies) + ZipFile.ExtractToDirectory(Path.Combine(zipPath, dependency.FileName), Path.Combine(Config.PackageInstallationFolder, remotePackage.ID, "Dependencies", dependency.FileName)); + + remotePackage.Assets.Clear(); + remotePackage.Assets.Add(asset); + + package = remotePackage; + + PackageList.Add(remotePackage); + } + } +} diff --git a/PMF/src/Managers/PackageManager.cs b/PMF/src/Managers/PackageManager.cs new file mode 100644 index 0000000..537c3a6 --- /dev/null +++ b/PMF/src/Managers/PackageManager.cs @@ -0,0 +1,189 @@ +using System; +using System.Collections.Generic; +using System.IO.Compression; +using System.Text; + +namespace PMF.Managers +{ + public static class PackageManager + { + /// + /// Installs a package given a version + /// + /// The id of the package + /// The version of the asset + /// true Installation successful, false already installed + public static PackageState InstallPackage(Package package, Asset asset) + { + // If it is not installed, packageDirectory will have the value of the directory where the package should be + string zipFile = RemotePackageManager.DownloadAsset(package.ID, asset); + LocalPackageManager.InstallPackage(package, asset, zipFile, out package); + return PackageState.Installed; + } + + /// + /// Installs a package given a version + /// + /// The id of the package + /// The version of the asset + /// true Installation successful, false already installed + public static PackageState Install(string id, Version version, out Package package) + { + package = null; + + // check if is already installed + if (!LocalPackageManager.IsPackageInstalled(id, out Package localPackage, out string packageDirectory)) + { + // get package info for version + Package remotePackage = RemotePackageManager.GetPackageInfo(id); + + if (remotePackage == null) + return PackageState.NotExisting; + + Asset asset = remotePackage.GetAssetVersion(version); + + if (asset == null) + return PackageState.VersionNotFound; + + // If it is not installed, packageDirectory will have the value of the directory where the package should be + package = remotePackage; + return InstallPackage(remotePackage, asset); + } + else + { + return PackageState.AlreadyInstalled; + } + } + + /// + /// Installs a package to the most recent version given an sdk version + /// + /// + /// true update succes, false update failed or cancelled + public static PackageState InstallBySdkVersion(string id, out Package package) + { + package = null; + + // check if is already installed + if (LocalPackageManager.IsPackageInstalled(id, out Package localPackage, out string packageDirectory)) + return PackageState.AlreadyInstalled; + + Package remotePackage = RemotePackageManager.GetPackageInfo(id); + + if (remotePackage == null) + return PackageState.NotExisting; + + Asset asset = RemotePackageManager.GetAssetLatestVersionBySdkVersion(remotePackage); + + if (asset == null) + return PackageState.VersionNotFound; + + if (validateSdkVersion(asset)) + { + // If it is not installed, packageDirectory will have the value of the directory where the package should be + package = remotePackage; + return InstallPackage(remotePackage, asset); + } + + return PackageState.Cancelled; + } + + public static bool Uninstall(string id) + { + return LocalPackageManager.RemovePackage(id); + } + + /// + /// Updates a package to the most recent version regardless of sdk version + /// + /// + /// true update succes, false update failed or cancelled + public static PackageState UpdateLatest(string id, out Package package) + { + package = null; + + // check if is already installed + if (!LocalPackageManager.IsPackageInstalled(id, out Package localPackage, out string packageDirectory)) + return PackageState.NotInstalled; + + var remotePackage = RemotePackageManager.GetPackageInfo(id); + + if (remotePackage == null) + return PackageState.NotExisting; + + var asset = RemotePackageManager.GetAssetLatestVersion(remotePackage); + + // You already have the latest version + if (localPackage.Assets[0].Version == asset.Version) + return PackageState.UpToDate; + + if (validateSdkVersion(asset)) + { + Uninstall(id); + return InstallPackage(remotePackage, asset); + } + + return PackageState.Cancelled; + } + + /// + /// Updates a package to the most recent version given an sdk version + /// + /// + /// true if update success, false if package is not installed + public static PackageState UpdateBySdkVersion(string id, out Package package, bool dontAsk) + { + package = null; + + if (!LocalPackageManager.IsPackageInstalled(id, out Package localPackage, out string pd)) + return PackageState.NotInstalled; + + var remotePackage = RemotePackageManager.GetPackageInfo(id); + + if (remotePackage == null) + return PackageState.NotExisting; + + var asset = RemotePackageManager.GetAssetLatestVersionBySdkVersion(remotePackage); + + // You already have the latest version + if (localPackage.Assets[0].Version == asset.Version) + return PackageState.UpToDate; + + if (dontAsk || validateSdkVersion(asset)) + { + Uninstall(id); + return InstallPackage(remotePackage, asset); + } + + return PackageState.Cancelled; + } + + private static bool validateSdkVersion(Asset asset) + { + if (asset.SdkVersion > Config.CurrentSdkVersion) + return askUser("You are installing a package which the sdk version is more recent than what you have. Would you like to continue?"); + else if (asset.SdkVersion < Config.CurrentSdkVersion) + return askUser("You are installing a package which the sdk version is older than what you have. Would you like to continue?"); + + return true; + } + + /// + /// Just asks the user something + /// + /// true yes, false no + private static bool askUser(string question) + { + Console.WriteLine($"{question} [Y][N]"); + while (true) + { + char answer = char.ToLower(Console.ReadKey().KeyChar); + + if (answer == 'n') + return false; + else if (answer == 'y') + return true; + } + } + } +} diff --git a/PMF/src/Managers/RemotePackageManager.cs b/PMF/src/Managers/RemotePackageManager.cs new file mode 100644 index 0000000..9e5e8db --- /dev/null +++ b/PMF/src/Managers/RemotePackageManager.cs @@ -0,0 +1,100 @@ +using Newtonsoft.Json; +using System; +using System.Collections.Generic; +using System.IO; +using System.Net; +using System.Text; + +namespace PMF.Managers +{ + public static class RemotePackageManager + { + /// + /// Gets package info from the server along with ALL the assets in the json + /// + /// + /// The package object downloaded + public static Package GetPackageInfo(string id) + { + try + { + using (WebClient client = new WebClient()) + { + string json = client.DownloadString($"{Config.RepositoryEndpoint}/{id}"); + return JsonConvert.DeserializeObject(json); + } + } + catch (WebException) + { + Console.WriteLine("Couldn't download information from the server"); + return null; + } + } + + /// + /// Downloads a specific version of a certain package + /// + /// + /// The zip file which was downloaded + public static string DownloadAsset(string id, Asset asset) + { + using (WebClient client = new WebClient()) + { + var zipPath = Path.Combine(Config.TemporaryFolder, id); + Directory.CreateDirectory(zipPath); + client.DownloadFile(asset.Url, Path.Combine(zipPath, asset.FileName)); + foreach (var dependency in asset.Dependencies) + client.DownloadFile(dependency.Url, Path.Combine(zipPath, dependency.FileName)); + return zipPath; + } + } + + /// + /// Gets you the latest version of a package + /// + /// + /// The latest asset version of a given package + public static Asset GetAssetLatestVersion(Package package) + { + if (package == null) + throw new ArgumentNullException(); + if (package.Assets.Count == 0) + throw new ArgumentNullException("asset count"); + + Asset ret_asset = null; + foreach (var asset in package.Assets) + { + if (ret_asset == null || ret_asset.Version < asset.Version) + ret_asset = asset; + } + + return ret_asset; + } + + /// + /// Gets you the latest version of a package given an SDK version + /// + /// + /// + /// The latest asset version of a given package and given SDK version + public static Asset GetAssetLatestVersionBySdkVersion(Package package) + { + if (package == null) + throw new ArgumentNullException(); + if (package.Assets.Count == 0) + throw new ArgumentNullException("asset count"); + + Asset ret_asset = null; + foreach (var asset in package.Assets) + { + if (asset.SdkVersion == Config.CurrentSdkVersion) + { + if (ret_asset == null || ret_asset.Version < asset.Version) + ret_asset = asset; + } + } + + return ret_asset; + } + } +} diff --git a/PMF/src/Package/Asset.cs b/PMF/src/Package/Asset.cs new file mode 100644 index 0000000..9d9c75f --- /dev/null +++ b/PMF/src/Package/Asset.cs @@ -0,0 +1,29 @@ +using Newtonsoft.Json; +using Newtonsoft.Json.Converters; +using Newtonsoft.Json.Linq; +using System; +using System.Collections.Generic; +using System.Text; + +namespace PMF +{ + public class Asset + { + // This ensures the version object is correctly converted + [JsonConverter(typeof(VersionConverter))] + public Version Version { get; set; } + + [JsonConverter(typeof(VersionConverter))] + public Version SdkVersion { get; set; } + + public string Checksum { get; set; } + + public string FileName { get; set; } + + public double FileSize { get; set; } + + public string Url { get; set; } + + public List Dependencies { get; set; } + } +} diff --git a/PMF/src/Package/Dependency.cs b/PMF/src/Package/Dependency.cs new file mode 100644 index 0000000..4c384fc --- /dev/null +++ b/PMF/src/Package/Dependency.cs @@ -0,0 +1,17 @@ +using System; +using System.Collections.Generic; +using System.Text; + +namespace PMF +{ + public class Dependency + { + public string Checksum { get; set; } + + public string FileName { get; set; } + + public double FileSize { get; set; } + + public string Url { get; set; } + } +} diff --git a/PMF/src/Package/Package.cs b/PMF/src/Package/Package.cs new file mode 100644 index 0000000..97e9cf1 --- /dev/null +++ b/PMF/src/Package/Package.cs @@ -0,0 +1,58 @@ +using Newtonsoft.Json; +using Newtonsoft.Json.Converters; +using Newtonsoft.Json.Linq; +using System; +using System.Collections.Generic; +using System.Text; + +namespace PMF +{ + public class Package + { + public string ID { get; set; } + + // This converts enum to string and vice versa when generating or parsing json + [JsonConverter(typeof(StringEnumConverter))] + public PackageType Type { get; set; } + + public string Name { get; set; } + + public string Author { get; set; } + + public string Description { get; set; } + + // If the package is a local one the list will only have one asset which is the version installed + public List Assets { get; set; } + + public Asset GetAssetVersion(Version version) + { + if (version == null) + throw new ArgumentNullException(); + + foreach (var asset in Assets) + { + if (asset.Version == version) + return asset; + } + + return null; + } + + // A valid package must have: + // - an id + // - a type + // - a name + // - an author + // - a description + // - at least one asset + public bool IsValid() + { + return !string.IsNullOrEmpty(ID) && + Type != PackageType.None && + !string.IsNullOrEmpty(Name) && + !string.IsNullOrEmpty(Author) && + !string.IsNullOrEmpty(Description) && + Assets.Count > 0; + } + } +} diff --git a/PMF/src/Package/PackageType.cs b/PMF/src/Package/PackageType.cs new file mode 100644 index 0000000..b9c105a --- /dev/null +++ b/PMF/src/Package/PackageType.cs @@ -0,0 +1,14 @@ +using System; +using System.Collections.Generic; +using System.Text; + +namespace PMF +{ + public enum PackageType + { + //None is there but should be pretty much impossible to get, only if something bad happens with the json sent from the server + None, + Plugin, + Library + } +} diff --git a/PMF/src/PackageState.cs b/PMF/src/PackageState.cs new file mode 100644 index 0000000..aa0b769 --- /dev/null +++ b/PMF/src/PackageState.cs @@ -0,0 +1,22 @@ +using System; +using System.Collections.Generic; +using System.Text; + +namespace PMF +{ + public enum PackageState + { + // Local + NotInstalled, + UpToDate, + Installed, + AlreadyInstalled, + + // Remote + NotExisting, + VersionNotFound, + + Cancelled, + Failed + } +}