/// <summary>
/// If a relative local URI is passed, it converts it into an absolute URI.
/// If the local URI does not exist or it is neither http nor local type, then the source is rejected.
/// If the URI is not relative then no action is taken.
/// </summary>
/// <param name="source">The source string specified by -Source switch.</param>
/// <returns>The source validation result.</returns>
private SourceValidationResult CheckSourceValidity(string inputSource)
{
// Convert file:// to a local path if needed, this noops for other types
var source = UriUtility.GetLocalPath(inputSource);
// Convert a relative local URI into an absolute URI
var packageSource = new PackageSource(source);
Uri sourceUri;
if (Uri.TryCreate(source, UriKind.Relative, out sourceUri))
{
string outputPath;
bool? exists;
string errorMessage;
if (PSPathUtility.TryTranslatePSPath(SessionState, source, out outputPath, out exists, out errorMessage) &&
exists == true)
{
source = outputPath;
packageSource = new PackageSource(source);
}
else if (exists == false)
{
return(SourceValidationResult.UnknownSource(source));
}
}
else if (!packageSource.IsHttp)
{
// Throw and unknown source type error if the specified source is neither local nor http
return(SourceValidationResult.UnknownSourceType(source));
}
// Check if the source is a valid HTTP URI.
if (packageSource.IsHttp && packageSource.TrySourceAsUri == null)
{
return(SourceValidationResult.UnknownSource(source));
}
var sourceRepository = CreateRepositoryFromSource(source);
return(SourceValidationResult.Valid(source, sourceRepository));
}
protected bool TryTranslatePSPath(string psPath, out string path, out bool?exists, out string errorMessage)
{
return(PSPathUtility.TryTranslatePSPath(SessionState, psPath, out path, out exists, out errorMessage));
}