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PackageSearchMetadata.cs
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PackageSearchMetadata.cs
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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Globalization;
using System.Linq;
using System.Threading.Tasks;
using Newtonsoft.Json;
using NuGet.Packaging;
using NuGet.Packaging.Core;
using NuGet.Packaging.Licenses;
using NuGet.Protocol.Core.Types;
using NuGet.Versioning;
namespace NuGet.Protocol
{
public class PackageSearchMetadata : IPackageSearchMetadata
{
[JsonProperty(PropertyName = JsonProperties.Authors)]
[JsonConverter(typeof(MetadataFieldConverter))]
public string Authors { get; private set; }
[JsonProperty(PropertyName = JsonProperties.DependencyGroups, ItemConverterType = typeof(PackageDependencyGroupConverter))]
public IEnumerable<PackageDependencyGroup> DependencySetsInternal { get; private set; }
[JsonIgnore]
public IEnumerable<PackageDependencyGroup> DependencySets
{
get
{
return DependencySetsInternal ?? Enumerable.Empty<PackageDependencyGroup>();
}
}
[JsonProperty(PropertyName = JsonProperties.Description)]
public string Description { get; private set; }
[JsonProperty(PropertyName = JsonProperties.DownloadCount)]
public long? DownloadCount { get; private set; }
[JsonProperty(PropertyName = JsonProperties.IconUrl)]
public Uri IconUrl { get; private set; }
[JsonIgnore]
public PackageIdentity Identity => new PackageIdentity(PackageId, Version);
[JsonProperty(PropertyName = JsonProperties.LicenseUrl)]
[JsonConverter(typeof(SafeUriConverter))]
public Uri LicenseUrl { get; private set; }
[JsonProperty(PropertyName = JsonProperties.Owners)]
[JsonConverter(typeof(MetadataFieldConverter))]
public string Owners { get; private set; }
[JsonProperty(PropertyName = JsonProperties.PackageId)]
public string PackageId { get; private set; }
[JsonProperty(PropertyName = JsonProperties.ProjectUrl)]
[JsonConverter(typeof(SafeUriConverter))]
public Uri ProjectUrl { get; private set; }
[JsonProperty(PropertyName = JsonProperties.Published)]
public DateTimeOffset? Published { get; private set; }
[JsonIgnore]
public Uri ReportAbuseUrl { get; set; }
[JsonIgnore]
public Uri PackageDetailsUrl { get; set; }
[JsonProperty(PropertyName = JsonProperties.RequireLicenseAcceptance, DefaultValueHandling = DefaultValueHandling.Populate)]
[DefaultValue(false)]
[JsonConverter(typeof(SafeBoolConverter))]
public bool RequireLicenseAcceptance { get; private set; }
private string _summaryValue;
[JsonProperty(PropertyName = JsonProperties.Summary)]
public string Summary
{
get { return !string.IsNullOrEmpty(_summaryValue) ? _summaryValue : Description; }
private set { _summaryValue = value; }
}
[JsonProperty(PropertyName = JsonProperties.Tags)]
[JsonConverter(typeof(MetadataFieldConverter))]
public string Tags { get; private set; }
private string _titleValue;
[JsonProperty(PropertyName = JsonProperties.Title)]
public string Title
{
get { return !string.IsNullOrEmpty(_titleValue) ? _titleValue : PackageId; }
private set { _titleValue = value; }
}
[JsonProperty(PropertyName = JsonProperties.Version)]
public NuGetVersion Version { get; private set; }
[JsonProperty(PropertyName = JsonProperties.Versions)]
public VersionInfo[] ParsedVersions { get; private set; }
[JsonProperty(PropertyName = JsonProperties.PrefixReserved)]
public bool PrefixReserved { get; private set; }
[JsonProperty(PropertyName = JsonProperties.LicenseExpression)]
public string LicenseExpression { get; private set; }
[JsonProperty(PropertyName = JsonProperties.LicenseExpressionVersion)]
public string LicenseExpressionVersion { get; private set; }
[JsonIgnore]
public LicenseMetadata LicenseMetadata
{
get
{
if (string.IsNullOrWhiteSpace(LicenseExpression))
{
return null;
}
var trimmedLicenseExpression = LicenseExpression.Trim();
System.Version.TryParse(LicenseExpressionVersion, out var effectiveVersion);
effectiveVersion = effectiveVersion ?? LicenseMetadata.EmptyVersion;
List<string> errors = null;
NuGetLicenseExpression parsedExpression = null;
if (effectiveVersion.CompareTo(LicenseMetadata.CurrentVersion) <= 0)
{
try
{
parsedExpression = NuGetLicenseExpression.Parse(trimmedLicenseExpression);
var invalidLicenseIdentifiers = GetNonStandardLicenseIdentifiers(parsedExpression);
if (invalidLicenseIdentifiers != null)
{
if (errors == null)
{
errors = new List<string>();
}
errors.Add(string.Format(CultureInfo.CurrentCulture, Strings.NuGetLicenseExpression_NonStandardIdentifier, string.Join(", ", invalidLicenseIdentifiers)));
}
}
catch (NuGetLicenseExpressionParsingException e)
{
if (errors == null)
{
errors = new List<string>();
}
errors.Add(e.Message);
}
}
else
{
// We can't parse it, add an error
if (errors == null)
{
errors = new List<string>();
}
errors.Add(
string.Format(
CultureInfo.CurrentCulture,
Strings.NuGetLicense_LicenseExpressionVersionTooHigh,
effectiveVersion,
LicenseMetadata.CurrentVersion));
}
return new LicenseMetadata(LicenseType.Expression, license: trimmedLicenseExpression, expression: parsedExpression, warningsAndErrors: errors, version: effectiveVersion);
}
}
private static IList<string> GetNonStandardLicenseIdentifiers(NuGetLicenseExpression expression)
{
IList<string> invalidLicenseIdentifiers = null;
Action<NuGetLicense> licenseProcessor = delegate (NuGetLicense nugetLicense)
{
if (!nugetLicense.IsStandardLicense)
{
if (invalidLicenseIdentifiers == null)
{
invalidLicenseIdentifiers = new List<string>();
}
invalidLicenseIdentifiers.Add(nugetLicense.Identifier);
}
};
expression.OnEachLeafNode(licenseProcessor, null);
return invalidLicenseIdentifiers;
}
/// <inheritdoc cref="IPackageSearchMetadata.GetVersionsAsync" />
public Task<IEnumerable<VersionInfo>> GetVersionsAsync() => Task.FromResult<IEnumerable<VersionInfo>>(ParsedVersions);
[JsonProperty(PropertyName = JsonProperties.Listed)]
public bool IsListed { get; private set; } = true;
[JsonProperty(PropertyName = JsonProperties.Deprecation)]
public PackageDeprecationMetadata DeprecationMetadata { get; private set; }
/// <inheritdoc cref="IPackageSearchMetadata.GetDeprecationMetadataAsync" />
public Task<PackageDeprecationMetadata> GetDeprecationMetadataAsync() => Task.FromResult(DeprecationMetadata);
/// <inheritdoc cref="IPackageSearchMetadata.Vulnerabilities" />
[JsonProperty(PropertyName = JsonProperties.Vulnerabilities)]
public IEnumerable<PackageVulnerabilityMetadata> Vulnerabilities { get; private set; }
}
}