70 lines
2.5 KiB
C#
70 lines
2.5 KiB
C#
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using Autodesk.Forge;
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using Microsoft.AspNetCore.Mvc;
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using System;
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using System.Threading.Tasks;
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namespace forgeSample.Controllers
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{
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[ApiController]
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public class OAuthController : ControllerBase
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{
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// As both internal & public tokens are used for all visitors
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// we don't need to request a new token on every request, so let's
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// cache them using static variables. Note we still need to refresh
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// them after the expires_in time (in seconds)
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private static dynamic InternalToken { get; set; }
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private static dynamic PublicToken { get; set; }
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/// <summary>
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/// Get access token with public (viewables:read) scope
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/// </summary>
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[HttpGet]
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[Route("api/forge/oauth/token")]
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public async Task<dynamic> GetPublicAsync()
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{
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if (PublicToken == null || PublicToken.ExpiresAt < DateTime.UtcNow)
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{
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PublicToken = await Get2LeggedTokenAsync(new Scope[] { Scope.ViewablesRead });
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PublicToken.ExpiresAt = DateTime.UtcNow.AddSeconds(PublicToken.expires_in);
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}
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return PublicToken;
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}
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/// <summary>
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/// Get access token with internal (write) scope
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/// </summary>
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public static async Task<dynamic> GetInternalAsync()
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{
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if (InternalToken == null || InternalToken.ExpiresAt < DateTime.UtcNow)
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{
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InternalToken = await Get2LeggedTokenAsync(new Scope[] { Scope.BucketCreate, Scope.BucketRead, Scope.BucketDelete, Scope.DataRead, Scope.DataWrite, Scope.DataCreate, Scope.CodeAll });
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InternalToken.ExpiresAt = DateTime.UtcNow.AddSeconds(InternalToken.expires_in);
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}
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return InternalToken;
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}
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/// <summary>
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/// Get the access token from Autodesk
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/// </summary>
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private static async Task<dynamic> Get2LeggedTokenAsync(Scope[] scopes)
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{
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TwoLeggedApi oauth = new TwoLeggedApi();
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string grantType = "client_credentials";
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dynamic bearer = await oauth.AuthenticateAsync(
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GetAppSetting("FORGE_CLIENT_ID"),
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GetAppSetting("FORGE_CLIENT_SECRET"),
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grantType,
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scopes);
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return bearer;
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}
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/// <summary>
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/// Reads appsettings from web.config
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/// </summary>
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public static string GetAppSetting(string settingKey)
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{
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return Environment.GetEnvironmentVariable(settingKey).Trim();
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}
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}
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}
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