winget-cli

Unnamed repository; edit this file 'description' to name the repository.
Log | Files | Refs | README | LICENSE

Utilities.cs (2618B)

      1 // -----------------------------------------------------------------------------
      2 // <copyright file="Utilities.cs" company="Microsoft Corporation">
      3 //     Copyright (c) Microsoft Corporation. Licensed under the MIT License.
      4 // </copyright>
      5 // -----------------------------------------------------------------------------
      6 
      7 namespace Microsoft.WinGet.Configuration.Helpers
      8 {
      9     using System;
     10     using System.Linq;
     11     using System.Management.Automation;
     12     using Microsoft.PowerShell;
     13 
     14     /// <summary>
     15     /// Utilities for this cmdlets.
     16     /// </summary>
     17     internal static class Utilities
     18     {
     19         /// <summary>
     20         /// Gets the execution policy.
     21         /// </summary>
     22         /// <returns>ExecutionPolicy.</returns>
     23         public static ExecutionPolicy GetExecutionPolicy()
     24         {
     25             var ps = PowerShell.Create(RunspaceMode.CurrentRunspace);
     26             return ps.AddCommand("Get-ExecutionPolicy").Invoke<ExecutionPolicy>().First();
     27         }
     28 
     29         /// <summary>
     30         /// Determine if telemetry can be used. It follows the same telemetry rules as PowerShell.
     31         /// To opt-out of this telemetry, set the environment variable $env:POWERSHELL_TELEMETRY_OPTOUT to true, yes, or 1.
     32         /// This method is the same as GetEnvironmentVariableAsBool from PowerShell but only for POWERSHELL_TELEMETRY_OPTOUT.
     33         /// </summary>
     34         /// <returns>If telemetry can be used.</returns>
     35         public static bool CanUseTelemetry()
     36         {
     37             var str = Environment.GetEnvironmentVariable("POWERSHELL_TELEMETRY_OPTOUT");
     38             if (string.IsNullOrEmpty(str))
     39             {
     40                 return true;
     41             }
     42 
     43             var boolStr = str.AsSpan();
     44 
     45             if (boolStr.Length == 1)
     46             {
     47                 if (boolStr[0] == '1')
     48                 {
     49                     return false;
     50                 }
     51             }
     52 
     53             if (boolStr.Length == 3 &&
     54                 (boolStr[0] == 'y' || boolStr[0] == 'Y') &&
     55                 (boolStr[1] == 'e' || boolStr[1] == 'E') &&
     56                 (boolStr[2] == 's' || boolStr[2] == 'S'))
     57             {
     58                 return false;
     59             }
     60 
     61             if (boolStr.Length == 4 &&
     62                 (boolStr[0] == 't' || boolStr[0] == 'T') &&
     63                 (boolStr[1] == 'r' || boolStr[1] == 'R') &&
     64                 (boolStr[2] == 'u' || boolStr[2] == 'U') &&
     65                 (boolStr[3] == 'e' || boolStr[3] == 'E'))
     66             {
     67                 return false;
     68             }
     69 
     70             return true;
     71         }
     72     }
     73 }