public async Task <HttpResponseMessage> Put(string id)
{
if (IsSystemDatabase(id))
{
return(GetMessageWithString("System database document cannot be changed!", HttpStatusCode.Forbidden));
}
MessageWithStatusCode nameFormatErrorMessage;
if (IsValidName(id, Database.Configuration.DataDirectory, out nameFormatErrorMessage) == false)
{
return(GetMessageWithString(nameFormatErrorMessage.Message, nameFormatErrorMessage.ErrorCode));
}
Etag etag = GetEtag();
string error = CheckExistingDatabaseName(id, etag);
if (error != null)
{
return(GetMessageWithString(error, HttpStatusCode.BadRequest));
}
var dbDoc = await ReadJsonObjectAsync <DatabaseDocument>().ConfigureAwait(false);
//Preventing the modification of the database document when it is not actually changed
//And it happens, see http://issues.hibernatingrhinos.com/issue/RavenDB-7820
var docKey = Constants.Database.Prefix + id;
var databaseDocument = SystemDatabase.Documents.Get(docKey, null);
var existingDbDoc = databaseDocument?.DataAsJson.JsonDeserialization <DatabaseDocument>();
if (existingDbDoc != null)
{
DatabasesLandlord.Unprotect(existingDbDoc);
if (DatabaseDocument.CompareDatabaseDocumentWithoutId(existingDbDoc, dbDoc))
{
return(GetEmptyMessage(HttpStatusCode.NotModified));
}
}
string bundles;
if (dbDoc.Settings.TryGetValue(Constants.ActiveBundles, out bundles) && bundles.Contains("Encryption"))
{
if (dbDoc.SecuredSettings == null || !dbDoc.SecuredSettings.ContainsKey(Constants.EncryptionKeySetting) ||
!dbDoc.SecuredSettings.ContainsKey(Constants.AlgorithmTypeSetting))
{
return(GetMessageWithString(string.Format("Failed to create '{0}' database, because of invalid encryption configuration.", id), HttpStatusCode.BadRequest));
}
}
//TODO: check if paths in document are legal
if (dbDoc.IsClusterDatabase() && ClusterManager.IsActive())
{
string dataDir;
if (dbDoc.Settings.TryGetValue("Raven/DataDir", out dataDir) == false || string.IsNullOrEmpty(dataDir))
{
return(GetMessageWithString(string.Format("Failed to create '{0}' database, because 'Raven/DataDir' setting is missing.", id), HttpStatusCode.BadRequest));
}
dataDir = dataDir.ToFullPath(SystemConfiguration.DataDirectory);
// if etag is not null, it means we want to update existing database
if (Directory.Exists(dataDir) && etag == null)
{
return(GetMessageWithString(string.Format("Failed to create '{0}' database, because data directory '{1}' exists and it is forbidden to create non-empty cluster-wide databases.", id, dataDir), HttpStatusCode.BadRequest));
}
var changesAppliedMre = new ManualResetEventSlim(false);
Etag newEtag = null;
var documentKey = Constants.Database.Prefix + id;
Action <DocumentDatabase, DocumentChangeNotification, RavenJObject> onDocumentAction = (database, notification, jObject) =>
{
if (notification.Type == DocumentChangeTypes.Put && notification.Id == documentKey)
{
newEtag = notification.Etag;
changesAppliedMre.Set();
}
};
Database.Notifications.OnDocumentChange += onDocumentAction;
try
{
await ClusterManager.Client.SendDatabaseUpdateAsync(id, dbDoc).ConfigureAwait(false);
changesAppliedMre.Wait(TimeSpan.FromSeconds(15));
}
finally
{
Database.Notifications.OnDocumentChange -= onDocumentAction;
}
var clusterPutResult = new PutResult
{
ETag = newEtag,
Key = documentKey
};
return((etag == null) ? GetEmptyMessage() : GetMessageWithObject(clusterPutResult));
}
DatabasesLandlord.Protect(dbDoc);
var json = RavenJObject.FromObject(dbDoc);
json.Remove("Id");
var metadata = (etag != null) ? ReadInnerHeaders.FilterHeadersToObject() : new RavenJObject();
var putResult = Database.Documents.Put(docKey, etag, json, metadata, null);
return((etag == null) ? GetEmptyMessage() : GetMessageWithObject(putResult));
}
