add: Keycloak auth & git api client

Alchegos.Core.csproj

@@ -7,13 +7,15 @@
     </PropertyGroup>
 
     <ItemGroup>
+      <PackageReference Include="Microsoft.Extensions.Options" Version="9.0.2" />
+      <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+      <PackageReference Include="NSwag.MSBuild" Version="14.2.0">
+        <PrivateAssets>all</PrivateAssets>
+        <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+      </PackageReference>
       <PackageReference Include="RabbitMQ.Client" Version="7.1.1" />
     </ItemGroup>
-
-    <ItemGroup>
-      <Reference Include="Microsoft.Extensions.Options">
-        <HintPath>..\..\..\..\.nuget\packages\microsoft.extensions.options\9.0.2\lib\net9.0\Microsoft.Extensions.Options.dll</HintPath>
-      </Reference>
-    </ItemGroup>
-
+    <Target Name="GenerateNSwagClient" BeforeTargets="Build">
+        <Exec Command="$(NSwagExe_Net80) run nswag.json" />
+    </Target>
 </Project>

nswag.json

@@ -0,0 +1,100 @@
+{
+  "runtime": "Net80",
+  "defaultVariables": null,
+  "documentGenerator": {
+    "fromDocument": {
+      "url": "https://git.hangman-lab.top/swagger.v1.json",
+      "output": null,
+      "newLineBehavior": "Auto"
+    }
+  },
+  "codeGenerators": {
+    "openApiToCSharpClient": {
+      "clientBaseClass": null,
+      "configurationClass": null,
+      "generateClientClasses": true,
+      "suppressClientClassesOutput": false,
+      "generateClientInterfaces": false,
+      "suppressClientInterfacesOutput": false,
+      "clientBaseInterface": null,
+      "injectHttpClient": true,
+      "disposeHttpClient": true,
+      "protectedMethods": [],
+      "generateExceptionClasses": true,
+      "exceptionClass": "ApiException",
+      "wrapDtoExceptions": true,
+      "useHttpClientCreationMethod": false,
+      "httpClientType": "System.Net.Http.HttpClient",
+      "useHttpRequestMessageCreationMethod": false,
+      "useBaseUrl": true,
+      "generateBaseUrlProperty": true,
+      "generateSyncMethods": false,
+      "generatePrepareRequestAndProcessResponseAsAsyncMethods": false,
+      "exposeJsonSerializerSettings": false,
+      "clientClassAccessModifier": "public",
+      "typeAccessModifier": "public",
+      "propertySetterAccessModifier": "",
+      "generateNativeRecords": false,
+      "generateContractsOutput": false,
+      "contractsNamespace": null,
+      "contractsOutputFilePath": null,
+      "parameterDateTimeFormat": "s",
+      "parameterDateFormat": "yyyy-MM-dd",
+      "generateUpdateJsonSerializerSettingsMethod": true,
+      "useRequestAndResponseSerializationSettings": false,
+      "serializeTypeInformation": false,
+      "queryNullValue": "",
+      "className": "GiteaApiClient",
+      "operationGenerationMode": "MultipleClientsFromOperationId",
+      "additionalNamespaceUsages": [],
+      "additionalContractNamespaceUsages": [],
+      "generateOptionalParameters": false,
+      "generateJsonMethods": false,
+      "enforceFlagEnums": false,
+      "parameterArrayType": "System.Collections.Generic.IEnumerable",
+      "parameterDictionaryType": "System.Collections.Generic.IDictionary",
+      "responseArrayType": "System.Collections.Generic.ICollection",
+      "responseDictionaryType": "System.Collections.Generic.IDictionary",
+      "wrapResponses": false,
+      "wrapResponseMethods": [],
+      "generateResponseClasses": true,
+      "responseClass": "SwaggerResponse",
+      "namespace": "Alchegos.Core.Services.Gitea",
+      "requiredPropertiesMustBeDefined": true,
+      "dateType": "System.DateTimeOffset",
+      "jsonConverters": null,
+      "anyType": "object",
+      "dateTimeType": "System.DateTimeOffset",
+      "timeType": "System.TimeSpan",
+      "timeSpanType": "System.TimeSpan",
+      "arrayType": "System.Collections.Generic.ICollection",
+      "arrayInstanceType": "System.Collections.ObjectModel.Collection",
+      "dictionaryType": "System.Collections.Generic.IDictionary",
+      "dictionaryInstanceType": "System.Collections.Generic.Dictionary",
+      "arrayBaseType": "System.Collections.ObjectModel.Collection",
+      "dictionaryBaseType": "System.Collections.Generic.Dictionary",
+      "classStyle": "Poco",
+      "jsonLibrary": "NewtonsoftJson",
+      "generateDefaultValues": true,
+      "generateDataAnnotations": true,
+      "excludedTypeNames": [],
+      "excludedParameterNames": [],
+      "handleReferences": false,
+      "generateImmutableArrayProperties": false,
+      "generateImmutableDictionaryProperties": false,
+      "jsonSerializerSettingsTransformationMethod": null,
+      "inlineNamedArrays": false,
+      "inlineNamedDictionaries": false,
+      "inlineNamedTuples": true,
+      "inlineNamedAny": false,
+      "generateDtoTypes": true,
+      "generateOptionalPropertiesAsNullable": false,
+      "generateNullableReferenceTypes": false,
+      "templateDirectory": null,
+      "serviceHost": null,
+      "serviceSchemes": null,
+      "output": "src/Services/Gitea/GiteaApiClient.cs",
+      "newLineBehavior": "Auto"
+    }
+  }
+}

src/Services/Gitea/GiteaApiClient.Extension.cs

@@ -0,0 +1,19 @@
+using System.Net;
+using Microsoft.Extensions.Options;
+
+namespace Alchegos.Core.Services.Gitea;
+
+public partial class GiteaApiClient
+{
+    private GiteaApiOptions Options;
+
+    public GiteaApiClient(HttpClient client, IOptions<GiteaApiOptions> options)
+    {
+        
+        _httpClient = client;
+        Options = options.Value;
+        BaseUrl = Options.BaseUrl;
+        _httpClient.DefaultRequestHeaders.Add("Authorization", $"token {Options.Token}");
+    }
+    
+}

src/Services/Gitea/GiteaApiOptions.cs

@@ -0,0 +1,7 @@
+namespace Alchegos.Core.Services.Gitea;
+
+public class GiteaApiOptions
+{
+    public string BaseUrl { get; set; }
+    public string Token { get; set; }
+}

src/Services/KeyCloak/IKeyCloakAuthProvider.cs

@@ -0,0 +1,6 @@
+namespace Alchegos.Core.Services.KeyCloak;
+
+public interface IKeyCloakAuthProvider
+{
+    Task<string> GetTokenAsync();
+}

src/Services/KeyCloak/KeyCloakAuthOptions.cs

@@ -0,0 +1,11 @@
+namespace Alchegos.Core.Services.KeyCloak;
+
+public class KeyCloakAuthOptions
+{
+    public string Authority { get; set; }
+    public string ClientId { get; set; }
+    public string ClientSecret { get; set; }
+    public string UserName { get; set; }
+    public string Password { get; set; }
+    public string Scopes { get; set; }
+}

src/Services/KeyCloak/KeyCloakAuthProvider.cs

@@ -0,0 +1,38 @@
+using System.Text.Json;
+using Microsoft.Extensions.Options;
+
+namespace Alchegos.Core.Services.KeyCloak;
+
+public class KeyCloakAuthProvider : IKeyCloakAuthProvider
+{
+    private KeyCloakAuthOptions Options { get; set; }
+    private HttpClient Client { get; set; }
+
+    public KeyCloakAuthProvider(IOptions<KeyCloakAuthOptions> options, HttpClient client)
+    {
+        Options = options.Value;
+        Client = client;
+    }
+
+    public async Task<string> GetTokenAsync()
+    {
+        string tokenEndpoint = $"{Options.Authority}/protocol/openid-connect/token";
+        Console.WriteLine(tokenEndpoint);
+        Dictionary<string, string> parameters = new Dictionary<string, string>
+        {
+            {"grant_type", "password"},
+            {"client_id", Options.ClientId},
+            {"client_secret", Options.ClientSecret},
+            {"username", Options.UserName},
+            {"password", Options.Password},
+            {"scope", Options.Scopes}
+        };
+        FormUrlEncodedContent content = new FormUrlEncodedContent(parameters);
+        HttpResponseMessage response = await Client.PostAsync(tokenEndpoint, content);
+        response.EnsureSuccessStatusCode();
+        string json = await response.Content.ReadAsStringAsync();
+        using JsonDocument document = JsonDocument.Parse(json);
+        string token = document.RootElement.GetProperty("access_token").GetString();
+        return $"Bearer {token}";
+    }
+}