| | | 1 | | using System.Text.Json; |
| | | 2 | | |
| | | 3 | | namespace NexusLabs.Needlr.Copilot; |
| | | 4 | | |
| | | 5 | | /// <summary> |
| | | 6 | | /// Default implementation that discovers the GitHub OAuth token from |
| | | 7 | | /// configured sources (explicit value, apps.json, or environment variables). |
| | | 8 | | /// </summary> |
| | | 9 | | internal sealed class GitHubOAuthTokenProvider : IGitHubOAuthTokenProvider |
| | | 10 | | { |
| | | 11 | | private readonly CopilotChatClientOptions _options; |
| | | 12 | | private string? _cachedToken; |
| | | 13 | | |
| | 18 | 14 | | public GitHubOAuthTokenProvider(CopilotChatClientOptions options) |
| | | 15 | | { |
| | 18 | 16 | | _options = options ?? throw new ArgumentNullException(nameof(options)); |
| | 18 | 17 | | } |
| | | 18 | | |
| | | 19 | | public string GetOAuthToken() |
| | | 20 | | { |
| | 15 | 21 | | if (_cachedToken is not null) |
| | | 22 | | { |
| | 0 | 23 | | return _cachedToken; |
| | | 24 | | } |
| | | 25 | | |
| | 15 | 26 | | _cachedToken = ResolveToken(); |
| | 15 | 27 | | return _cachedToken; |
| | | 28 | | } |
| | | 29 | | |
| | | 30 | | private string ResolveToken() |
| | | 31 | | { |
| | 15 | 32 | | if (!string.IsNullOrWhiteSpace(_options.GitHubToken)) |
| | | 33 | | { |
| | 15 | 34 | | return _options.GitHubToken; |
| | | 35 | | } |
| | | 36 | | |
| | 0 | 37 | | return _options.TokenSource switch |
| | 0 | 38 | | { |
| | 0 | 39 | | CopilotTokenSource.AppsJson => ReadFromAppsJson() |
| | 0 | 40 | | ?? throw new InvalidOperationException( |
| | 0 | 41 | | "No OAuth token found in apps.json. Ensure the Copilot CLI is logged in."), |
| | 0 | 42 | | |
| | 0 | 43 | | CopilotTokenSource.EnvironmentVariable => ReadFromEnvironment() |
| | 0 | 44 | | ?? throw new InvalidOperationException( |
| | 0 | 45 | | "No GH_TOKEN or GITHUB_TOKEN environment variable found."), |
| | 0 | 46 | | |
| | 0 | 47 | | CopilotTokenSource.Auto => ReadFromAppsJson() |
| | 0 | 48 | | ?? ReadFromEnvironment() |
| | 0 | 49 | | ?? throw new InvalidOperationException( |
| | 0 | 50 | | "No GitHub OAuth token found. Log in via the Copilot CLI, " + |
| | 0 | 51 | | "set GH_TOKEN/GITHUB_TOKEN, or provide an explicit GitHubToken in options."), |
| | 0 | 52 | | |
| | 0 | 53 | | _ => throw new ArgumentOutOfRangeException(nameof(_options.TokenSource)), |
| | 0 | 54 | | }; |
| | | 55 | | } |
| | | 56 | | |
| | | 57 | | internal static string? ReadFromAppsJson() |
| | | 58 | | { |
| | 0 | 59 | | var appsJsonPath = GetAppsJsonPath(); |
| | 0 | 60 | | if (appsJsonPath is null || !File.Exists(appsJsonPath)) |
| | | 61 | | { |
| | 0 | 62 | | return null; |
| | | 63 | | } |
| | | 64 | | |
| | | 65 | | try |
| | | 66 | | { |
| | 0 | 67 | | var json = File.ReadAllText(appsJsonPath); |
| | 0 | 68 | | using var doc = JsonDocument.Parse(json); |
| | | 69 | | |
| | 0 | 70 | | foreach (var property in doc.RootElement.EnumerateObject()) |
| | | 71 | | { |
| | 0 | 72 | | if (property.Value.TryGetProperty("oauth_token", out var tokenElement)) |
| | | 73 | | { |
| | 0 | 74 | | var token = tokenElement.GetString(); |
| | 0 | 75 | | if (!string.IsNullOrWhiteSpace(token)) |
| | | 76 | | { |
| | 0 | 77 | | return token; |
| | | 78 | | } |
| | | 79 | | } |
| | | 80 | | } |
| | 0 | 81 | | } |
| | 0 | 82 | | catch (JsonException) |
| | | 83 | | { |
| | 0 | 84 | | } |
| | | 85 | | |
| | 0 | 86 | | return null; |
| | 0 | 87 | | } |
| | | 88 | | |
| | | 89 | | internal static string? ReadFromEnvironment() |
| | | 90 | | { |
| | 2 | 91 | | return Environment.GetEnvironmentVariable("GH_TOKEN") |
| | 2 | 92 | | ?? Environment.GetEnvironmentVariable("GITHUB_TOKEN"); |
| | | 93 | | } |
| | | 94 | | |
| | | 95 | | internal static string? GetAppsJsonPath() |
| | | 96 | | { |
| | 1 | 97 | | if (OperatingSystem.IsWindows()) |
| | | 98 | | { |
| | 0 | 99 | | var localAppData = Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData); |
| | 0 | 100 | | return Path.Combine(localAppData, "github-copilot", "apps.json"); |
| | | 101 | | } |
| | | 102 | | |
| | 1 | 103 | | if (OperatingSystem.IsMacOS()) |
| | | 104 | | { |
| | 0 | 105 | | var home = Environment.GetFolderPath(Environment.SpecialFolder.UserProfile); |
| | 0 | 106 | | return Path.Combine(home, "Library", "Application Support", "github-copilot", "apps.json"); |
| | | 107 | | } |
| | | 108 | | |
| | 1 | 109 | | if (OperatingSystem.IsLinux()) |
| | | 110 | | { |
| | 1 | 111 | | var configHome = Environment.GetEnvironmentVariable("XDG_CONFIG_HOME") |
| | 1 | 112 | | ?? Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.UserProfile), ".config"); |
| | 1 | 113 | | return Path.Combine(configHome, "github-copilot", "apps.json"); |
| | | 114 | | } |
| | | 115 | | |
| | 0 | 116 | | return null; |
| | | 117 | | } |
| | | 118 | | } |