First commit

Redirects.cs

@@ -0,0 +1,104 @@
+
+using System.Text.Json.Serialization;
+
+class Redirect
+{
+    
+    private static Dictionary<string,IRedirect> redirects = new Dictionary<string, IRedirect>
+    {
+        // CrossLang Shell
+        {"crosslang-shell",Std("https://downloads.tesses.net/ShellPackage.crvm")},
+
+        // TessesFramework
+        {"tessesframework",Std("https://git.tesses.org/tesses50/tessesframework")},
+        {"tf-tools-aarch64-linux",TF("tessesframework-tools-aarch64-linux-musl.tar.gz")},
+        {"tf-tools-aarch64-macos",TF("tessesframework-tools-aarch64-macos-none.tar.gz")},
+        {"tf-tools-aarch64-windows",TF("tessesframework-tools-aarch64-windows-gnu.zip")},
+        {"tf-tools-arm-linux",TF("tessesframework-tools-arm-linux-musleabi.tar.gz")},
+        {"tf-tools-powerpc-linux",TF("tessesframework-tools-powerpc-linux-musleabihf.tar.gz")},
+        {"tf-tools-riscv64-linux",TF("tessesframework-tools-riscv64-linux-musl.tar.gz")},
+        {"tf-tools-x86-linux",TF("tessesframework-tools-x86-linux-musl.tar.gz")},
+        {"tf-tools-x86-windows",TF("tessesframework-tools-x86-windows-gnu.zip")},
+        {"tf-tools-x86_64-linux",TF("tessesframework-tools-x86_64-linux-musl.tar.gz")},
+        {"tf-tools-x86_64-macos",TF("tessesframework-tools-x86_64-macos-none.tar.gz")},
+        {"tf-tools-x86_64-windows",TF("tessesframework-tools-x86_64-windows-gnu.zip")},
+        
+        
+    };
+
+    private static IRedirect Std(string url)
+    {
+        return new StdRedirect(url);
+    }
+    private static IRedirect Gitea(string giteaServer, string giteaProject, string file, bool prerelease = false)
+    {
+        return new GiteaReleaseRedirect(giteaServer,giteaProject,file,prerelease);
+    }
+    private static IRedirect TF(string filename)
+    {
+        return Gitea(
+            "https://git.tesses.org/",
+            "tesses50/tessesframework",
+            filename,
+            true
+        );
+    }
+
+    public static async Task<string?> HandleRedirectAsync(string redir)
+    {
+        if(redirects.ContainsKey(redir))
+            return await redirects[redir].RedirectAsync();
+        return null;
+    }
+}
+
+interface IRedirect
+{
+    public Task<string?> RedirectAsync();
+}
+
+public class StdRedirect(string url) : IRedirect
+{
+    public async Task<string?> RedirectAsync()
+    {
+        return await Task.FromResult(url);
+    }
+}
+public class GiteaReleaseRedirect(string giteaServer, string giteaProject, string file, bool prerelease = false) : IRedirect
+{
+    private static HttpClient client =new HttpClient();
+    public async Task<string?> RedirectAsync()
+    {
+        // https://git.tesseslanguage.com/api/v1/repos/tesses50/crosslang/releases?pre-release=true&limit=1
+        var resp = await client.GetFromJsonAsync<List<_release>>($"{giteaServer.TrimEnd('/')}/api/v1/repos/{System.Web.HttpUtility.UrlPathEncode(giteaProject)}/releases?pre-release={(prerelease ? "true":"false")}&limit=1");
+        if(resp is not null)
+        {
+            var resp2 = resp.FirstOrDefault();
+            if(resp2 is not null)
+            {
+                foreach(var item in resp2.Assets)
+                {
+                    if(item.Name == file)
+                        return item.Url;
+                }
+            }
+        }
+        return null;
+    }
+
+    private class _release
+    {
+        [JsonPropertyName("assets")]        
+        public List<_asset> Assets {get;set;}=new List<_asset>();
+
+
+        public class _asset
+        {
+            [JsonPropertyName("name")]
+            public string Name {get;set;}="";
+
+            [JsonPropertyName("browser_download_url")] 
+            public string Url {get;set;}="";
+        }
+    }
+}