Files
ArchiSteamFarm/ArchiSteamFarm/GitHub.cs
2021-04-11 00:33:32 +02:00

306 lines
9.4 KiB
C#

// _ _ _ ____ _ _____
// / \ _ __ ___ | |__ (_)/ ___| | |_ ___ __ _ _ __ ___ | ___|__ _ _ __ _ __ ___
// / _ \ | '__|/ __|| '_ \ | |\___ \ | __|/ _ \ / _` || '_ ` _ \ | |_ / _` || '__|| '_ ` _ \
// / ___ \ | | | (__ | | | || | ___) || |_| __/| (_| || | | | | || _|| (_| || | | | | | | |
// /_/ \_\|_| \___||_| |_||_||____/ \__|\___| \__,_||_| |_| |_||_| \__,_||_| |_| |_| |_|
// |
// Copyright 2015-2021 Łukasz "JustArchi" Domeradzki
// Contact: JustArchi@JustArchi.net
// |
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// |
// http://www.apache.org/licenses/LICENSE-2.0
// |
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
using System;
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Diagnostics.CodeAnalysis;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Threading.Tasks;
using AngleSharp.Dom;
using Markdig;
using Markdig.Renderers;
using Markdig.Syntax;
using Markdig.Syntax.Inlines;
using Newtonsoft.Json;
namespace ArchiSteamFarm {
internal static class GitHub {
internal static async Task<ReleaseResponse?> GetLatestRelease(bool stable = true) {
string releaseURL = SharedInfo.GithubReleaseURL + (stable ? "/latest" : "?per_page=1");
if (stable) {
return await GetReleaseFromURL(releaseURL).ConfigureAwait(false);
}
ImmutableList<ReleaseResponse>? response = await GetReleasesFromURL(releaseURL).ConfigureAwait(false);
return response?.FirstOrDefault();
}
internal static async Task<ReleaseResponse?> GetRelease(string version) {
if (string.IsNullOrEmpty(version)) {
throw new ArgumentNullException(nameof(version));
}
return await GetReleaseFromURL(SharedInfo.GithubReleaseURL + "/tags/" + version).ConfigureAwait(false);
}
internal static async Task<Dictionary<string, DateTime>?> GetWikiHistory(string page) {
if (string.IsNullOrEmpty(page)) {
throw new ArgumentNullException(nameof(page));
}
if (ASF.WebBrowser == null) {
throw new InvalidOperationException(nameof(ASF.WebBrowser));
}
string url = SharedInfo.ProjectURL + "/wiki/" + page + "/_history";
using WebBrowser.HtmlDocumentResponse? response = await ASF.WebBrowser.UrlGetToHtmlDocument(url, requestOptions: WebBrowser.ERequestOptions.ReturnClientErrors).ConfigureAwait(false);
if (response == null) {
return null;
}
if (response.StatusCode.IsClientErrorCode()) {
return response.StatusCode switch {
HttpStatusCode.NotFound => new Dictionary<string, DateTime>(0),
_ => null
};
}
List<IElement> revisionNodes = response.Content.SelectNodes("//li[contains(@class, 'wiki-history-revision')]");
Dictionary<string, DateTime> result = new(revisionNodes.Count);
foreach (IElement revisionNode in revisionNodes) {
IElement? versionNode = revisionNode.SelectSingleElementNode(".//input/@value");
if (versionNode == null) {
ASF.ArchiLogger.LogNullError(nameof(versionNode));
return null;
}
string versionText = versionNode.GetAttribute("value");
if (string.IsNullOrEmpty(versionText)) {
ASF.ArchiLogger.LogNullError(nameof(versionText));
return null;
}
IElement? dateTimeNode = revisionNode.SelectSingleElementNode(".//relative-time/@datetime");
if (dateTimeNode == null) {
ASF.ArchiLogger.LogNullError(nameof(dateTimeNode));
return null;
}
string dateTimeText = dateTimeNode.GetAttribute("datetime");
if (string.IsNullOrEmpty(dateTimeText)) {
ASF.ArchiLogger.LogNullError(nameof(dateTimeText));
return null;
}
if (!DateTime.TryParse(dateTimeText, CultureInfo.InvariantCulture, DateTimeStyles.AdjustToUniversal | DateTimeStyles.AssumeUniversal, out DateTime dateTime)) {
ASF.ArchiLogger.LogNullError(nameof(dateTime));
return null;
}
result[versionText] = dateTime.ToUniversalTime();
}
return result;
}
internal static async Task<string?> GetWikiPage(string page, string? revision = null) {
if (string.IsNullOrEmpty(page)) {
throw new ArgumentNullException(nameof(page));
}
if (ASF.WebBrowser == null) {
throw new InvalidOperationException(nameof(ASF.WebBrowser));
}
string url = SharedInfo.ProjectURL + "/wiki/" + page + (!string.IsNullOrEmpty(revision) ? "/" + revision : "");
using WebBrowser.HtmlDocumentResponse? response = await ASF.WebBrowser.UrlGetToHtmlDocument(url).ConfigureAwait(false);
if (response == null) {
return null;
}
IElement? markdownBodyNode = response.Content.SelectSingleNode("//div[@class='markdown-body']");
return markdownBodyNode?.InnerHtml.Trim() ?? "";
}
private static MarkdownDocument ExtractChangelogFromBody(string markdownText) {
if (string.IsNullOrEmpty(markdownText)) {
throw new ArgumentNullException(nameof(markdownText));
}
MarkdownDocument markdownDocument = Markdown.Parse(markdownText);
MarkdownDocument result = new();
foreach (Block block in markdownDocument.SkipWhile(block => block is not HeadingBlock { Inline: { FirstChild: LiteralInline literalInline } } || !literalInline.Content.ToString().Equals("Changelog", StringComparison.OrdinalIgnoreCase)).Skip(1).TakeWhile(block => block is not ThematicBreakBlock).ToList()) {
// All blocks that we're interested in must be removed from original markdownDocument firstly
markdownDocument.Remove(block);
result.Add(block);
}
return result;
}
private static async Task<ReleaseResponse?> GetReleaseFromURL(string releaseURL) {
if (string.IsNullOrEmpty(releaseURL)) {
throw new ArgumentNullException(nameof(releaseURL));
}
if (ASF.WebBrowser == null) {
throw new InvalidOperationException(nameof(ASF.WebBrowser));
}
WebBrowser.ObjectResponse<ReleaseResponse>? response = await ASF.WebBrowser.UrlGetToJsonObject<ReleaseResponse>(releaseURL).ConfigureAwait(false);
return response?.Content;
}
private static async Task<ImmutableList<ReleaseResponse>?> GetReleasesFromURL(string releaseURL) {
if (string.IsNullOrEmpty(releaseURL)) {
throw new ArgumentNullException(nameof(releaseURL));
}
if (ASF.WebBrowser == null) {
throw new InvalidOperationException(nameof(ASF.WebBrowser));
}
WebBrowser.ObjectResponse<ImmutableList<ReleaseResponse>>? response = await ASF.WebBrowser.UrlGetToJsonObject<ImmutableList<ReleaseResponse>>(releaseURL).ConfigureAwait(false);
return response?.Content;
}
[SuppressMessage("ReSharper", "ClassCannotBeInstantiated")]
internal sealed class ReleaseResponse {
[JsonProperty(PropertyName = "assets", Required = Required.Always)]
internal readonly ImmutableHashSet<Asset> Assets = ImmutableHashSet<Asset>.Empty;
[JsonProperty(PropertyName = "prerelease", Required = Required.Always)]
internal readonly bool IsPreRelease;
[JsonProperty(PropertyName = "published_at", Required = Required.Always)]
internal readonly DateTime PublishedAt;
[JsonProperty(PropertyName = "tag_name", Required = Required.Always)]
internal readonly string Tag = "";
internal string? ChangelogHTML {
get {
if (BackingChangelogHTML != null) {
return BackingChangelogHTML;
}
if (Changelog == null) {
ASF.ArchiLogger.LogNullError(nameof(Changelog));
return null;
}
using StringWriter writer = new();
HtmlRenderer renderer = new(writer);
renderer.Render(Changelog);
writer.Flush();
return BackingChangelogHTML = writer.ToString();
}
}
internal string? ChangelogPlainText {
get {
if (BackingChangelogPlainText != null) {
return BackingChangelogPlainText;
}
if (Changelog == null) {
ASF.ArchiLogger.LogNullError(nameof(Changelog));
return null;
}
using StringWriter writer = new();
HtmlRenderer renderer = new(writer) {
EnableHtmlForBlock = false,
EnableHtmlForInline = false,
EnableHtmlEscape = false
};
renderer.Render(Changelog);
writer.Flush();
return BackingChangelogPlainText = writer.ToString();
}
}
[JsonProperty(PropertyName = "body", Required = Required.Always)]
private readonly string? MarkdownBody = "";
private MarkdownDocument? Changelog {
get {
if (BackingChangelog != null) {
return BackingChangelog;
}
if (string.IsNullOrEmpty(MarkdownBody)) {
ASF.ArchiLogger.LogNullError(nameof(MarkdownBody));
return null;
}
return BackingChangelog = ExtractChangelogFromBody(MarkdownBody!);
}
}
private MarkdownDocument? BackingChangelog;
private string? BackingChangelogHTML;
private string? BackingChangelogPlainText;
[JsonConstructor]
private ReleaseResponse() { }
internal sealed class Asset {
[JsonProperty(PropertyName = "browser_download_url", Required = Required.Always)]
internal readonly string? DownloadURL;
[JsonProperty(PropertyName = "name", Required = Required.Always)]
internal readonly string? Name;
[JsonProperty(PropertyName = "size", Required = Required.Always)]
internal readonly uint Size;
[JsonConstructor]
private Asset() { }
}
}
}
}