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kvmwkvmw
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Signed-off-by: kvmw <mshamsi@broadcom.com>
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‎.editorconfig‎

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root = true
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[*.cs]
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# Indentation
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indent_style = space
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indent_size = 4
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# New lines
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end_of_line = lf
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insert_final_newline = true
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charset = utf-8
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# C# formatting
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csharp_new_line_before_open_brace = all
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csharp_new_line_before_else = true
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csharp_new_line_before_catch = true
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csharp_new_line_before_finally = true
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csharp_new_line_before_members_in_object_initializers = true
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csharp_new_line_before_members_in_anonymous_types = true
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# Naming conventions
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dotnet_naming_rule.interface_should_be_prefixed_with_i.severity = warning
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dotnet_naming_rule.interface_should_be_prefixed_with_i.symbols = interface
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dotnet_naming_rule.interface_should_be_prefixed_with_i.style = prefix_interface_with_i
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dotnet_naming_symbols.interface.applicable_kinds = interface
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dotnet_naming_style.prefix_interface_with_i.required_prefix = I
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# Code style
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dotnet_style_qualification_for_field = false:suggestion
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dotnet_style_qualification_for_property = false:suggestion
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dotnet_style_qualification_for_method = false:suggestion
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dotnet_style_qualification_for_event = false:suggestion
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# Expression-level preferences
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dotnet_style_object_initializer = true:suggestion
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dotnet_style_collection_initializer = true:suggestion
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dotnet_style_explicit_tuple_names = true:suggestion
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dotnet_style_null_propagation = true:suggestion
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dotnet_style_coalesce_expression = true:suggestion
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[*.{json,yml,yaml}]
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indent_style = space
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indent_size = 2

‎.github/workflows/ci.yml‎

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name: ci
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on:
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push:
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branches: ['main']
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pull_request:
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branches: ['main']
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jobs:
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check:
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runs-on: ubuntu-latest
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steps:
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- name: Checkout
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uses: actions/checkout@v4
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- name: Setup .NET
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uses: actions/setup-dotnet@v4
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with:
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dotnet-version: '8.0.x'
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- name: Restore dependencies
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run: dotnet restore
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- name: Check code formatting
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run: dotnet format --verify-no-changes
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- name: Build
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run: dotnet build --no-restore --configuration Release
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- name: Test
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run: dotnet test --no-build --verbosity normal
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‎.gitignore‎

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bin/
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obj/

‎Cook.csproj‎

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<Project Sdk="Microsoft.NET.Sdk.Web">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<Description>cook project</Description>
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<Nullable>enable</Nullable>
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<ImplicitUsings>enable</ImplicitUsings>
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<NoWarn>SA1402;SA1600;SA0001</NoWarn>
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</PropertyGroup>
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<PropertyGroup>
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<SteeltoeVersion>4.0.*-*</SteeltoeVersion>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.*" />
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<PackageReference Include="Swashbuckle.AspNetCore" Version="6.6.2" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Steeltoe.Configuration.ConfigServer" Version="$(SteeltoeVersion)" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="StyleCop.Analyzers" Version="1.2.0-beta.507">
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<PrivateAssets>all</PrivateAssets>
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<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
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</PackageReference>
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</ItemGroup>
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</Project>

‎Cook.slnx‎

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<Solution>
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<Project Path="cook.csproj" />
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</Solution>

‎IResourceService.cs‎

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// <copyright file="IResourceService.cs" company="PlaceholderCompany">
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// Copyright (c) PlaceholderCompany. All rights reserved.
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// </copyright>
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namespace Cook;
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using System.Net.Http.Headers;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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public interface IResourceService
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{
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Task<string> GetContentAsync(string name);
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}
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public class ResourceService : IResourceService
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{
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private readonly IConfiguration configuration;
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private readonly HttpClient httpClient;
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private OAuth2TokenResponse? cachedToken;
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public ResourceService(IConfiguration configuration, HttpClient httpClient)
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{
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this.configuration = configuration;
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this.httpClient = httpClient;
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}
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/// <inheritdoc/>
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public async Task<string> GetContentAsync(string name)
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{
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try
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{
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var configServerUri = this.configuration["spring:cloud:config:uri"];
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var appName = this.configuration["spring:application:name"] ?? "application";
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var profile = this.configuration["spring:cloud:config:env"] ?? "default";
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var label = this.configuration["spring:cloud:config:label"] ?? "main";
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var accessToken = await this.GetOrRefreshAccessTokenAsync();
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var request = new HttpRequestMessage(HttpMethod.Get, $"{configServerUri}/{appName}/{profile}/{label}/{name}");
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request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", accessToken);
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var response = await this.httpClient.SendAsync(request);
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if (response.IsSuccessStatusCode)
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{
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return await response.Content.ReadAsStringAsync();
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}
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else
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{
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throw new HttpRequestException($"Failed to fetch resource: {response.StatusCode} - {response.ReasonPhrase}");
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}
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}
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catch (Exception ex)
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{
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throw new InvalidOperationException($"Error fetching resource: {ex.Message}", ex);
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}
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}
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private async Task<string> GetOrRefreshAccessTokenAsync()
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{
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if (this.cachedToken != null && DateTime.UtcNow < this.cachedToken.ExpirationTime)
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{
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return this.cachedToken.AccessToken;
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}
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var clientId = this.configuration["spring:cloud:config:clientId"];
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var clientSecret = this.configuration["spring:cloud:config:clientSecret"];
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var accessTokenUri = this.configuration["spring:cloud:config:accessTokenUri"];
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if (string.IsNullOrEmpty(clientId) || string.IsNullOrEmpty(clientSecret) || string.IsNullOrEmpty(accessTokenUri))
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{
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throw new InvalidOperationException("OAuth2 credentials not configured");
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}
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var tokenRequest = new FormUrlEncodedContent(new[]
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{
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new KeyValuePair<string, string>("grant_type", "client_credentials"),
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new KeyValuePair<string, string>("client_id", clientId),
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new KeyValuePair<string, string>("client_secret", clientSecret),
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});
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var tokenResponse = await this.httpClient.PostAsync(accessTokenUri, tokenRequest);
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if (!tokenResponse.IsSuccessStatusCode)
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{
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throw new HttpRequestException($"Failed to get access token: {tokenResponse.StatusCode} - {tokenResponse.ReasonPhrase}");
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}
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this.cachedToken = this.ExtractTokenData(await tokenResponse.Content.ReadAsStringAsync());
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return this.cachedToken.AccessToken;
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}
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private OAuth2TokenResponse ExtractTokenData(string tokenResponse)
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{
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return JsonSerializer.Deserialize<OAuth2TokenResponse>(tokenResponse) ?? new OAuth2TokenResponse();
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}
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}
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public class OAuth2TokenResponse
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{
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[JsonPropertyName("access_token")]
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public string AccessToken { get; set; } = string.Empty;
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[JsonPropertyName("expires_in")]
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public int ExpiresIn { get; set; } = 3600;
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public DateTime ExpirationTime => DateTime.UtcNow.AddSeconds(this.ExpiresIn - 10); // Subtract 10 seconds for safety
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}

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