private static void ValidateDependentPackages(INapackStorageManager napackManager, NewNapackVersion newNapack)
{
// Validate dependent packages exist, aren't recalled, and have valid licenses.
foreach (NapackMajorVersion napackVersion in newNapack.Dependencies)
{
NapackMetadata package = napackManager.GetPackageMetadata(napackVersion.Name, false);
NapackMajorVersionMetadata majorVersionMetadata = package.GetMajorVersion(napackVersion.Major);
if (majorVersionMetadata.Recalled)
{
// Users creating a new napack cannot use recalled packages as they have no reasonable chance of retrieving them.
throw new NapackRecalledException(napackVersion.Name, napackVersion.Major);
}
newNapack.License.VerifyCompatibility(napackVersion.Name, napackVersion.Major, majorVersionMetadata.License);
}
}
private Response GetPackage(INapackStorageManager napackManager, string name, int major,
Func <NapackMajorVersionMetadata, int> minorVersionComputer, Func <NapackMajorVersionMetadata, int> patchVersionComputer)
{
NapackMetadata package = napackManager.GetPackageMetadata(name, false);
NapackMajorVersionMetadata majorVersion = package.GetMajorVersion(major);
if (majorVersion.Recalled)
{
throw new NapackRecalledException(name, major);
}
int minor = minorVersionComputer(majorVersion);
int patch = patchVersionComputer(majorVersion);
NapackVersion specifiedVersion = napackManager.GetPackageVersion(new NapackVersionIdentifier(name, major, minor, patch));
Common.NapackVersion downloadableVersion = new Common.NapackVersion(major, minor, patch,
specifiedVersion.Authors, specifiedVersion.Files, majorVersion.License, specifiedVersion.Dependencies);
return(this.Response.AsJson(downloadableVersion, HttpStatusCode.OK));
}
public NapackModule()
: base("/napacks")
{
// Gets a Napack package or series of package versions.
Get["/{packageName}/{version?}"] = parameters =>
{
string packageName = parameters.packageName;
string version = null;
try
{
version = parameters.version;
}
catch (RuntimeBinderException)
{
}
if (version == null)
{
// The user is asking for all major versions of the specified package.
NapackMetadata package = Global.NapackStorageManager.GetPackageMetadata(packageName, false);
return(this.Response.AsJson(package.AsSummaryJson()));
}
else
{
// Attempt to parse our the version string.
List <int> components;
try
{
components = version.Split(new[] { '.' }, StringSplitOptions.RemoveEmptyEntries).Select(item => int.Parse(item)).ToList();
}
catch (Exception)
{
throw new InvalidNapackVersionException();
}
// Handle the resulting version components.
if (components.Count == 1 || components.Count == 2)
{
NapackMetadata package = Global.NapackStorageManager.GetPackageMetadata(packageName, false);
NapackMajorVersionMetadata majorVersion = package.GetMajorVersion(components[0]);
return(this.Response.AsJson(majorVersion.AsSummaryJson()));
}
else if (components.Count == 3)
{
NapackVersion specificVersion = Global.NapackStorageManager.GetPackageVersion(new NapackVersionIdentifier(packageName, components[0], components[1], components[2]));
Global.NapackStorageManager.IncrementPackageDownload(packageName);
return(this.Response.AsJson(specificVersion.AsSummaryJson()));
}
else
{
throw new InvalidNapackVersionException();
}
}
};
// Creates a new Napack package.
Post["/{packageName}"] = parameters =>
{
string packageName = parameters.packageName;
if (Global.NapackStorageManager.ContainsNapack(packageName))
{
throw new DuplicateNapackException();
}
// Validate user, name and API.
NewNapack newNapack = SerializerExtensions.Deserialize <NewNapack>(this.Context);
newNapack.Validate();
UserIdentifier.VerifyAuthorization(this.Request.Headers.ToDictionary(hdr => hdr.Key, hdr => hdr.Value), Global.NapackStorageManager, newNapack.metadata.AuthorizedUserIds);
NapackSpec generatedApiSpec = NapackAnalyst.CreateNapackSpec(packageName, newNapack.NewNapackVersion.Files);
NapackModule.ValidateDependentPackages(Global.NapackStorageManager, newNapack.NewNapackVersion);
newNapack.NewNapackVersion.UpdateNamespaceOfFiles(packageName, 1);
Global.NapackStorageManager.SaveNewNapack(packageName, newNapack, generatedApiSpec);
return(this.Response.AsJson(new
{
Message = "Created package " + packageName
}, HttpStatusCode.Created));
};
// Updates the definition (metadata) of a Napack package.
Put["/{packageName"] = parameters =>
{
string packageName = parameters.packageName;
NapackMetadata package = Global.NapackStorageManager.GetPackageMetadata(packageName, true);
NewNapackMetadata metadata = SerializerExtensions.Deserialize <NewNapackMetadata>(this.Context);
UserIdentifier.VerifyAuthorization(this.Request.Headers.ToDictionary(hdr => hdr.Key, hdr => hdr.Value), Global.NapackStorageManager, metadata.AuthorizedUserIds);
if (metadata.AuthorizedUserIds.Count == 0)
{
throw new InvalidNapackException("At least one authorized user ID must be provided.");
}
package.AuthorizedUserIds = metadata.AuthorizedUserIds;
package.Description = metadata.Description;
package.MoreInformation = metadata.MoreInformation;
package.Tags = metadata.Tags;
Global.NapackStorageManager.UpdatePackageMetadata(package);
return(this.Response.AsJson(new
{
Message = "Updated package metadata " + packageName
}));
};
// Updates an existing Napack package.
Patch["/{packageName}"] = parameters =>
{
NewNapackVersion newNapackVersion = SerializerExtensions.Deserialize <NewNapackVersion>(this.Context);
newNapackVersion.Validate();
string packageName = parameters.packageName;
NapackMetadata package = Global.NapackStorageManager.GetPackageMetadata(packageName, true);
UserIdentifier.VerifyAuthorization(this.Request.Headers.ToDictionary(hdr => hdr.Key, hdr => hdr.Value), Global.NapackStorageManager, package.AuthorizedUserIds);
// Validate and create a spec for this new version.
NapackSpec newVersionSpec = NapackAnalyst.CreateNapackSpec(packageName, newNapackVersion.Files);
NapackModule.ValidateDependentPackages(Global.NapackStorageManager, newNapackVersion);
// Determine what upversioning will be performed.
int majorVersion = package.Versions.Max(version => version.Key);
int minorVersion = package.Versions[majorVersion].Versions.Max(version => version.Key);
int patchVersion = package.Versions[majorVersion].Versions[minorVersion].Max();
NapackAnalyst.UpversionType upversionType = NapackAnalyst.UpversionType.Patch;
if (newNapackVersion.ForceMajorUpversioning)
{
// Skip analysis as we know we must go to a new major version.
upversionType = NapackAnalyst.UpversionType.Major;
}
else
{
// Perform specification and license analysis.
NapackVersionIdentifier oldVersionId = new NapackVersionIdentifier(packageName, majorVersion, minorVersion, patchVersion);
NapackSpec oldVersionSpec = Global.NapackStorageManager.GetPackageSpecification(oldVersionId);
NapackAnalyst.UpversionType specUpversionType = NapackAnalyst.DeterminedRequiredUpversioning(oldVersionSpec, newVersionSpec);
if (specUpversionType == NapackAnalyst.UpversionType.Major || newNapackVersion.License.NeedsMajorUpversioning(package.GetMajorVersion(majorVersion).License))
{
upversionType = NapackAnalyst.UpversionType.Major;
}
}
if (upversionType == NapackAnalyst.UpversionType.Patch && newNapackVersion.ForceMinorUpversioning)
{
upversionType = NapackAnalyst.UpversionType.Minor;
}
newNapackVersion.UpdateNamespaceOfFiles(packageName, upversionType != NapackAnalyst.UpversionType.Major ? majorVersion : majorVersion + 1);
Global.NapackStorageManager.SaveNewNapackVersion(package, new NapackVersionIdentifier(packageName, majorVersion, minorVersion, patchVersion), upversionType, newNapackVersion, newVersionSpec);
return(this.Response.AsJson(new
{
Message = "Updated package " + packageName,
Major = majorVersion,
Minor = minorVersion,
Patch = patchVersion
}));
};
}