/// <summary>
/// Validates the release specified.
/// </summary>
/// <param name="release">Reference to an instance of <see cref="github_release_poster.NewRelease"/>
/// that contains the metadata for the release.</param>
/// <param name="repoName">String containing the name of the repository to which this release is to be published.</param>
/// <param name="repoOwner">String containing the GitHub username of the owner of the repository.</param>
/// <param name="userAcessToken">String containing the user access token of a GitHub user with push access to the repository.</param>
/// <param name="releaseAssetDir">String containing the path to the directory where release assets are stored.</param>
/// <returns>True if the release is valid; false otherwise. Terminates the program with a nonzero exit code if the
/// release does not pass validation.</returns>
/// <exception cref="T:System.ArgumentNullException">Thrown if the <see cref="release"/> argument is a null
/// reference of if any of the string arguments are blank.</exception>
public static bool IsReleaseValid(NewRelease release,
string repoName, string repoOwner, string userAcessToken,
string releaseAssetDir)
{
Console.WriteLine(Resources.ValidatingReleaseMetadata);
// reject a null reference to the release object itself
if (release == null)
{
throw new ArgumentNullException(nameof(release));
}
if (string.IsNullOrWhiteSpace(release.tag_name))
{
throw new ArgumentNullException(nameof(release.tag_name));
}
if (string.IsNullOrWhiteSpace(release.name))
{
throw new ArgumentNullException(nameof(release.name));
}
if (string.IsNullOrWhiteSpace(release.target_commitish))
{
throw new ArgumentNullException(nameof(release.target_commitish));
}
if (string.IsNullOrWhiteSpace(repoName))
{
throw new ArgumentNullException(nameof(repoName));
}
if (string.IsNullOrWhiteSpace(repoOwner))
{
throw new ArgumentNullException(nameof(repoOwner));
}
if (string.IsNullOrWhiteSpace(userAcessToken))
{
throw new ArgumentNullException(nameof(userAcessToken));
}
if (string.IsNullOrWhiteSpace(releaseAssetDir))
{
throw new ArgumentNullException(nameof(releaseAssetDir));
}
/* If the release asset directory does not yet exist, then the build must have failed! LOL.
* However, let's tell the user just to be sure. */
if (!Directory.Exists(releaseAssetDir))
{
Console.WriteLine(Resources.ReleaseAssetDirNotFound, releaseAssetDir);
Environment.Exit(exitCode: Resources.ERROR_RELEASE_ASSET_DIR_NOT_EXISTS);
}
/* The GitHub release API allows an unlimited number of assets to be posted to a release. However,
* it limits the size of any single file to be no more than 2 GB in size. Scan the release asset dir.
* If it, or any of its subdirectories (that the current user can access, anyway) contains a file that is
* 2 GB or more in size, stop this program after displaying an error.*/
if (FileSearcher.GetAllFilesInFolder(releaseAssetDir)
.Where(fsi => (fsi.Attributes & FileAttributes.Directory) != FileAttributes.Directory)
.Any(fsi => Convert.ToUInt64(new FileInfo(fsi.FullName).Length) >= Resources.TwoGigaBytes))
{
Console.WriteLine(Resources.ReleaseAssetDirContainsTooBigFile);
Environment.Exit(Resources.ERROR_RELEASE_ASSET_IS_TOO_BIG);
}
Console.WriteLine(Resources.ReleaseAssetsAndMetadataValid);
return(true);
}
/// <summary>
/// Uploads the assets in the release asset directory individually to the newly-created release. Flattens any directory structure that might exist in the
/// folder referred to by <see cref="releaseAssetDir"/>.
/// </summary>
/// <param name="releaseAssetDir">String containing the fully-qualified path to the directory containing release assets to be uploaded.</param>
/// <param name="newRelease">Reference to an instance of a dynamic object which has been deserialized from the response JSON
/// of the call to create the new release.</param>
/// <param name="userAccessToken">String containing the user's API access token.</param>
public static void UploadAssetsIndividually(string releaseAssetDir,
dynamic newRelease, string userAccessToken)
{
if (string.IsNullOrWhiteSpace(releaseAssetDir))
{
throw new ArgumentNullException(nameof(releaseAssetDir));
}
if (!Directory.Exists(releaseAssetDir))
{
throw new DirectoryNotFoundException(string.Format(Resources.DirectoryNotFound, releaseAssetDir));
}
if (newRelease == null)
{
throw new ArgumentNullException(nameof(newRelease));
}
if (string.IsNullOrWhiteSpace(userAccessToken))
{
throw new ArgumentNullException(nameof(userAccessToken));
}
// Iterate over all the files in the release asset directory and its subdirectories,
// one by one. Flatten the directory tree into just a big ol' list of files. To preserve
// the directory tree, distribute the release assets in ZIP format and then have your
// Setup program un zip the assets into their directory structure.
foreach (var assetFile in FileSearcher.GetAllFilesInFolder(
releaseAssetDir).Where(fsi => (fsi.Attributes & FileAttributes.Directory)
!= FileAttributes.Directory))
{
/* Make a new request each iteration of the loop over asset files */
var request = GitHubRequestFactory.PrepareGitHubRequest(Method.POST, userAccessToken);
// Get just the name and extension of the asset for use in the
// upload url later. If blank is returned, then something went wrong.
// In that case, just skip the current file.
var assetFileName = Path.GetFileName(assetFile.FullName);
if (string.IsNullOrWhiteSpace(assetFileName))
{
continue;
}
// If the file has zero bytes of length, do not upload it
if (FileAndFolderHelper.FileHasZeroLength((FileInfo)assetFile))
{
Console.WriteLine(
$"ERROR: File '{assetFileName}' has zero bytes of length. Not uploading it.");
// Just skip files that have zero length
continue;
}
/* From Tavis.UriTemplates NuGet package -- works like Ruby uri_template gem */
var uploadUrl = new UriTemplate(newRelease.upload_url.Value)
.AddParameters(new
{
name = assetFileName,
label = assetFileName
})
.Resolve();
if (string.IsNullOrWhiteSpace(uploadUrl))
{
Console.WriteLine(Resources.UploadUrlNotObtainable);
Environment.Exit(Resources.ERROR_NOT_OBTAINED_RELEASE_UPLOAD_URL);
}
// Prepare a REST request with the upload url from the create release API response
// above
var client = new RestClient(
uploadUrl
);
var assetMimeMapping = MimeMapping.GetMimeMapping(assetFile.FullName);
request.AddHeader(Resources.ContentTypeHeaderName,
assetMimeMapping
);
var bytes = File.ReadAllBytes(assetFile.FullName);
if (!bytes.Any())
{
continue; // zero-length file
}
request.AddHeader("Content-Length", bytes.Length.ToString());
Console.WriteLine($"{bytes.Length} bytes read from file '{assetFile.FullName}'. Uploading...");
request.AddParameter(
assetMimeMapping, bytes, ParameterType.RequestBody
);
var response = client.Execute(request);
if (response == null || response.StatusCode != HttpStatusCode.Created)
{
Console.WriteLine(Resources.FailedToUploadAsset, assetFileName);
Environment.Exit(Resources.ERROR_ASSET_NOT_ACCEPTED);
}
else
{
Console.WriteLine(Resources.AssetAccepted, assetFileName);
}
}
}
