UnityLauncherPro/UnityLauncherPro/Helpers/Github.cs at 210 · unitycoder/UnityLauncherPro · GitHub

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using System;

using System.IO;

using System.Net;

using System.Net.Http;

using System.Net.Http.Headers;

using System.Text;

using System.Threading.Tasks;

using System.Security.Cryptography;

using System.Diagnostics;

namespace UnityLauncherPro.Helpers

{

public class GitHubTokenValidationResult

{

public bool IsValid { get; set; }

public string Login { get; set; }

public string Name { get; set; }

public string Error { get; set; }

public HttpStatusCode StatusCode { get; set; }

}

public class GitHubCreateRepoResult

{

public bool Success { get; set; }

public string Name { get; set; }

//public string FullName { get; set; }

//public string HtmlUrl { get; set; }

//public string CloneUrl { get; set; }

//public string SshUrl { get; set; }

public string Error { get; set; }

public HttpStatusCode StatusCode { get; set; }

}

public static class GithubActions

{

public static async Task<GitHubCreateRepoResult> CreateRepositoryAsync(string token, string repoName, string description = "", bool isPrivate = true, bool autoInit = false)

{

if (string.IsNullOrWhiteSpace(token))

{

return new GitHubCreateRepoResult

{

Success = false,

Error = "Token is empty."

};

}

if (string.IsNullOrWhiteSpace(repoName))

{

return new GitHubCreateRepoResult

{

Success = false,

Error = "Repository name is empty."

};

}

ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;

using (var client = new HttpClient())

{

client.DefaultRequestHeaders.UserAgent.ParseAdd(MainWindow.appName);

client.DefaultRequestHeaders.Authorization =

new AuthenticationHeaderValue("Bearer", token.Trim());

client.DefaultRequestHeaders.Accept.ParseAdd("application/vnd.github+json");

client.DefaultRequestHeaders.Add("X-GitHub-Api-Version", "2022-11-28");

var json = ('{' +

$"\"name\": \"{repoName}\"," +

$"\"description\": \"{description ?? ""}\"," +

$"\"private\": {isPrivate.ToString().ToLower()}," +

$"\"auto_init\": {autoInit.ToString().ToLower()}" +

'}');

using (var content = new StringContent(json, Encoding.UTF8, "application/json"))

{

HttpResponseMessage response;

try

{

response = await client.PostAsync(

"https://api.github.com/user/repos",

content);

}

catch (Exception ex)

{

return new GitHubCreateRepoResult

{

Success = false,

Error = "Request failed: " + ex.Message

};

}

string responseText = await response.Content.ReadAsStringAsync();

if (response.IsSuccessStatusCode)

{

return new GitHubCreateRepoResult

{

Success = true,

StatusCode = response.StatusCode

//Name = (string)result["name"],

//FullName = (string)result["full_name"],

//HtmlUrl = (string)result["html_url"],

//CloneUrl = (string)result["clone_url"],

//SshUrl = (string)result["ssh_url"]

};

}

return new GitHubCreateRepoResult

{

Success = false,

StatusCode = response.StatusCode,

Error = "GitHub API error: " +

(int)response.StatusCode + " " +

response.ReasonPhrase + "\n" +

responseText

};

}

public static async Task<string> InitRepositoryAsync(string baseDir, string projectName, bool initGitLfs = false, string defaultBranch = "main")

{

string projectPath = string.IsNullOrWhiteSpace(projectName)

? Path.GetFullPath(baseDir)

: Path.GetFullPath(Path.Combine(baseDir, projectName));

if (!Directory.Exists(projectPath)) Directory.CreateDirectory(projectPath);

// Git 2.28+ supports --initial-branch

await RunGitAsync(projectPath, "init --initial-branch=\"" + defaultBranch + "\"");

string gitignorePath = Path.Combine(projectPath, ".gitignore");

if (initGitLfs)

{

try

{

// Local repo setup. Requires Git LFS to be installed on the user's machine.

await RunGitAsync(projectPath, "lfs install --local");

}

catch

{

// Git repo is still valid even if LFS init fails.

// Log this in your app if you have a logger.

}

return projectPath;

}

public static async Task RunGitAsync(string workingDirectory, string arguments)

{

await Task.Run(delegate

{

var startInfo = new ProcessStartInfo

{

FileName = "git",

Arguments = arguments,

WorkingDirectory = workingDirectory,

UseShellExecute = false,

RedirectStandardOutput = true,

RedirectStandardError = true,

CreateNoWindow = true

};

Console.WriteLine("run " + startInfo.FileName + " " + startInfo.Arguments);

using (var process = new Process())

{

process.StartInfo = startInfo;

process.Start();

string output = process.StandardOutput.ReadToEnd();

string error = process.StandardError.ReadToEnd();

process.WaitForExit();

if (process.ExitCode != 0)

{

Console.WriteLine("failed to run git command: " + error);

throw new Exception(

"Git command failed:\n" +

"git " + arguments + "\n\n" +

"Output:\n" + output + "\n\n" +

"Error:\n" + error);

}

});

}

// checks if repo is valid and if it already exists in the user's account. Returns null if valid, otherwise an error message.

public static async Task<string> ValidateRepoName(string repoName, string userName)

{

// validate string locally

if (string.IsNullOrEmpty(repoName)) return "Repository name cannot be empty.";

// regex "The repository name can only contain ASCII letters, digits, and the characters ., -, and _."

if (!System.Text.RegularExpressions.Regex.IsMatch(repoName, @"^[a-zA-Z0-9._-]+$")) return "Repository name can only contain letters, digits, ., -, and _.";

// check if repo already exists in user's account

var token = GitHubTokenStore.LoadToken();

if (string.IsNullOrWhiteSpace(token)) return "No GitHub token found. Please set a token first.";

ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;

using (var client = new HttpClient())

{

client.DefaultRequestHeaders.UserAgent.ParseAdd(MainWindow.appName);

client.DefaultRequestHeaders.Authorization = new AuthenticationHeaderValue("Bearer", token.Trim());

client.DefaultRequestHeaders.Accept.ParseAdd("application/vnd.github+json");

client.DefaultRequestHeaders.Add("X-GitHub-Api-Version", "2022-11-28");

HttpResponseMessage response;

try

{

response = await client.GetAsync($"https://api.github.com/repos/{userName}/{repoName}");

}

catch (Exception ex)

{

return "Request failed: " + ex.Message;

}

if (response.StatusCode == HttpStatusCode.OK)

return $"Repository '{repoName}' already exists in your account.";

if (response.StatusCode == HttpStatusCode.NotFound)

return null; // repo does not exist, name is available

string responseText = await response.Content.ReadAsStringAsync();

return $"Unexpected GitHub response: {(int)response.StatusCode} {response.ReasonPhrase}\n{responseText}";

}

} // GithubActions class

public static class GitHubAuth

{

public static async Task<GitHubTokenValidationResult> ValidateTokenAsync(string token)

{

if (string.IsNullOrWhiteSpace(token))

{

return new GitHubTokenValidationResult

{

IsValid = false,

Error = "Token is empty"

};

}

ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;

using (var client = new HttpClient())

{

client.DefaultRequestHeaders.UserAgent.ParseAdd(MainWindow.appName);

client.DefaultRequestHeaders.Authorization =

new AuthenticationHeaderValue("Bearer", token.Trim());

client.DefaultRequestHeaders.Accept.ParseAdd("application/vnd.github+json");

client.DefaultRequestHeaders.Add("X-GitHub-Api-Version", "2022-11-28");

HttpResponseMessage response;

try

{

response = await client.GetAsync("https://api.github.com/user");

}

catch (Exception ex)

{

return new GitHubTokenValidationResult

{

IsValid = false,

Error = "Request failed: " + ex.Message

};

}

string responseText = await response.Content.ReadAsStringAsync();

if (response.StatusCode == HttpStatusCode.OK)

{

return new GitHubTokenValidationResult

{

IsValid = true,

Name = JsonParser.GetStringValue(responseText, "name"),

StatusCode = response.StatusCode

};

}

if (response.StatusCode == HttpStatusCode.Unauthorized)

{

return new GitHubTokenValidationResult

{

IsValid = false,

StatusCode = response.StatusCode,

Error = "Invalid, expired, or revoked GitHub token"

};

}

if (response.StatusCode == HttpStatusCode.Forbidden)

{

return new GitHubTokenValidationResult

{

IsValid = false,

StatusCode = response.StatusCode,

Error = "GitHub rejected the request. This may be a rate limit or permission issue."

};

}

return new GitHubTokenValidationResult

{

IsValid = false,

StatusCode = response.StatusCode,

Error = "Unexpected GitHub response: " +

(int)response.StatusCode + " " +

response.ReasonPhrase + "\n" +

responseText

};

}

} // GitHubAuth class

public static class GitHubTokenStore

{

private static readonly string FolderPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), MainWindow.appName);

private static readonly string FilePath = Path.Combine(FolderPath, MainWindow.appName + ".dat");

public static void SaveToken(string token)

{

if (string.IsNullOrWhiteSpace(token)) throw new ArgumentException("Token is empty.", "token");

if (!Directory.Exists(FolderPath)) Directory.CreateDirectory(FolderPath);

byte[] plainBytes = Encoding.UTF8.GetBytes(token);

byte[] encryptedBytes = ProtectedData.Protect(plainBytes, null, DataProtectionScope.CurrentUser);

File.WriteAllBytes(FilePath, encryptedBytes);

}

public static string LoadToken()

{

if (!File.Exists(FilePath))

return null;

try

{

byte[] encryptedBytes = File.ReadAllBytes(FilePath);

byte[] plainBytes = ProtectedData.Unprotect(

encryptedBytes,

null,

DataProtectionScope.CurrentUser);

return Encoding.UTF8.GetString(plainBytes);

}

catch

{

return null;

}

public static void DeleteToken()

{

if (File.Exists(FilePath))

File.Delete(FilePath);

}

public static bool HasToken()

{

return !string.IsNullOrWhiteSpace(LoadToken());

}

} // namespace

UnityLauncherPro/UnityLauncherPro/Helpers/Github.cs at 210 · unitycoder/UnityLauncherPro · GitHub

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