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C#: Parse environment variables to obtain list of registry URLs

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This commit is contained in:
Michael B. Gale
2025-01-07 15:28:29 +00:00
parent 63d5517d7c
commit 11efb55aa1
1 changed files with 34 additions and 0 deletions
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34
csharp/extractor/Semmle.Extraction.CSharp.DependencyFetching/DependabotProxy.cs
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@@ -4,6 +4,7 @@ using System.IO;
using System.Security.Cryptography.X509Certificates;
using Semmle.Util;
using Semmle.Util.Logging;
using Newtonsoft.Json;
namespace Semmle.Extraction.CSharp.DependencyFetching
{
@@ -86,6 +87,39 @@ namespace Semmle.Extraction.CSharp.DependencyFetching
result.Certificate = X509Certificate2.CreateFromPem(cert);
}
// Try to obtain the list of private registry URLs.
var registryURLs = Environment.GetEnvironmentVariable(EnvironmentVariableNames.ProxyURLs);
if (!string.IsNullOrWhiteSpace(registryURLs))
{
try
{
// The value of the environment variable should be a JSON array of objects, such as:
// [ { "type": "nuget_feed", "url": "https://nuget.pkg.github.com/org/index.json" } ]
var array = JsonConvert.DeserializeObject<List<RegistryConfig>>(registryURLs);
if (array != null)
{
foreach (RegistryConfig config in array)
{
// The array contains all configured private registries, not just ones for C#.
// We ignore the non-C# ones here.
if (!config.Type.Equals("nuget_feed"))
{
logger.LogDebug($"Ignoring registry at '{config.URL}' since it is not of type 'nuget_feed'.");
continue;
}
logger.LogInfo($"Found private registry at '{config.URL}'");
result.RegistryURLs.Add(config.URL);
}
}
}
catch (Exception ex)
{
logger.LogError($"Unable to parse '{EnvironmentVariableNames.ProxyURLs}': {ex.Message}");
}
}
return result;
}