Exterrata
103 lines
4.3 KiB
C#
103 lines
4.3 KiB
C#
using System.Net.Http.Headers;
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using System.Text.Json;
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using System.Text.RegularExpressions;
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using CVRManager.Models;
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namespace CVRManager.Services;
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public class GitHubService
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{
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readonly HttpClient http = new();
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readonly Func<string> token;
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public GitHubService(Func<string> token)
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{
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this.token = token;
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http.DefaultRequestHeaders.UserAgent.Add(new ProductInfoHeaderValue("CVRManager", "1.0"));
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http.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/vnd.github+json"));
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}
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public static string? ParseRepo(string input)
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{
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input = input.Trim();
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var m = Regex.Match(input, @"^(?:https?://github\.com/)?([\w.-]+)/([\w.-]+?)(?:\.git)?(?:/.*)?$");
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return m.Success ? $"{m.Groups[1].Value}/{m.Groups[2].Value}" : null;
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}
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HttpRequestMessage Request(string url)
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{
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var req = new HttpRequestMessage(HttpMethod.Get, url);
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var t = token();
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if (!string.IsNullOrWhiteSpace(t)) req.Headers.Authorization = new AuthenticationHeaderValue("Bearer", t);
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return req;
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}
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public async Task<List<ReleaseInfo>> GetReleasesAsync(string repo, CancellationToken ct)
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{
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using var resp = await http.SendAsync(Request($"https://api.github.com/repos/{repo}/releases?per_page=40"), ct);
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if (!resp.IsSuccessStatusCode)
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{
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var hint = (int)resp.StatusCode is 403 or 429 ? " (rate limited: add a GitHub token in Settings)" : "";
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throw new InvalidOperationException($"GitHub returned {(int)resp.StatusCode} for {repo}{hint}.");
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}
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using var doc = JsonDocument.Parse(await resp.Content.ReadAsStringAsync(ct));
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var list = new List<ReleaseInfo>();
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foreach (var r in doc.RootElement.EnumerateArray())
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{
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if (r.GetProperty("draft").GetBoolean()) continue;
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var rel = new ReleaseInfo
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{
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Tag = r.GetProperty("tag_name").GetString() ?? "",
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Prerelease = r.GetProperty("prerelease").GetBoolean(),
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Published = r.TryGetProperty("published_at", out var p) && p.ValueKind == JsonValueKind.String ? p.GetDateTime() : default,
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};
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foreach (var a in r.GetProperty("assets").EnumerateArray())
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rel.Assets.Add(new AssetInfo
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{
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Name = a.GetProperty("name").GetString() ?? "",
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Url = a.GetProperty("browser_download_url").GetString() ?? "",
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Size = a.GetProperty("size").GetInt64(),
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});
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list.Add(rel);
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}
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return list;
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}
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public async Task<ReleaseInfo?> GetMelonLoaderNightlyAsync(CancellationToken ct)
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{
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using var resp = await http.SendAsync(Request(
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"https://api.github.com/repos/LavaGang/MelonLoader/actions/workflows/build.yml/runs?branch=master&status=success&per_page=1"), ct);
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if (!resp.IsSuccessStatusCode) return null;
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using var doc = JsonDocument.Parse(await resp.Content.ReadAsStringAsync(ct));
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var runs = doc.RootElement.GetProperty("workflow_runs");
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if (runs.GetArrayLength() == 0) return null;
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var run = runs[0];
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var sha = run.GetProperty("head_sha").GetString() ?? "";
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var id = run.GetProperty("id").GetInt64();
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var rel = new ReleaseInfo
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{
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Tag = $"nightly-{sha[..Math.Min(7, sha.Length)]}",
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Prerelease = true,
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Published = run.GetProperty("created_at").GetDateTime(),
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};
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rel.Assets.Add(new AssetInfo
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{
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Name = "MelonLoader.x64.zip",
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Url = $"https://nightly.link/LavaGang/MelonLoader/actions/runs/{id}/MelonLoader.Windows.x64.CI.Release.zip",
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});
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return rel;
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}
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public async Task<string> DownloadAsync(string url, string path, CancellationToken ct)
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{
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using var resp = await http.GetAsync(url, HttpCompletionOption.ResponseHeadersRead, ct);
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resp.EnsureSuccessStatusCode();
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Directory.CreateDirectory(Path.GetDirectoryName(path)!);
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await using var src = await resp.Content.ReadAsStreamAsync(ct);
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await using var dst = File.Create(path);
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await src.CopyToAsync(dst, ct);
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var last = resp.RequestMessage?.RequestUri?.Segments.LastOrDefault() ?? "";
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return Uri.UnescapeDataString(last.TrimEnd('/'));
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}
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}
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