// Method takes in a string and parses it into a DeveloperOptions class.
public static DeveloperOptions Parse(string developerOptions)
{
DeveloperOptions options = new DeveloperOptions();
if (!string.IsNullOrWhiteSpace(developerOptions))
{
var optionPairs = developerOptions.Split(new []{'&'}, StringSplitOptions.RemoveEmptyEntries);
foreach (var optionPair in optionPairs)
{
var optionPairParts = optionPair.Split(new[]{'='}, StringSplitOptions.RemoveEmptyEntries);
if (optionPairParts.Length == 2)
{
MapToOption(options, optionPairParts[0].Trim().ToLowerInvariant(), optionPairParts[1].Trim());
}
else
{
throw new ArgumentException(
string.Format(
"Unable to parse developer options which should be in the form of 'option=value&nextOption=nextValue'. The option '{0}' was not properly constructed",
optionPair));
}
}
}
return options;
}
// Method takes in a string and parses it into a DeveloperOptions class.
public static DeveloperOptions Parse(string developerOptions)
{
DeveloperOptions options = new DeveloperOptions();
if (!string.IsNullOrWhiteSpace(developerOptions))
{
var optionPairs = developerOptions.Split(new [] { '&' }, StringSplitOptions.RemoveEmptyEntries);
foreach (var optionPair in optionPairs)
{
var optionPairParts = optionPair.Split(new[] { '=' }, StringSplitOptions.RemoveEmptyEntries);
if (optionPairParts.Length == 2)
{
MapToOption(options, optionPairParts[0].Trim().ToLowerInvariant(), optionPairParts[1].Trim());
}
else
{
throw new ArgumentException(
string.Format(
"Unable to parse developer options which should be in the form of 'option=value&nextOption=nextValue'. The option '{0}' was not properly constructed",
optionPair));
}
}
}
return(options);
}
public override OperationResult Deprovision(AddonDeprovisionRequest request)
{
string connectionData = request.ConnectionData;
// changing to overloaded constructor - 5/22/14
var deprovisionResult = new ProvisionAddOnResult(connectionData);
AddonManifest manifest = request.Manifest;
string devOptions = request.DeveloperOptions;
try
{
AmazonSimpleNotificationServiceClient client;
var conInfo = ConnectionInfo.Parse(connectionData);
var developerOptions = DeveloperOptions.Parse(devOptions);
var establishClientResult = EstablishClient(manifest, developerOptions, out client);
if (!establishClientResult.IsSuccess)
{
deprovisionResult.EndUserMessage = establishClientResult.EndUserMessage;
return(deprovisionResult);
}
var response =
client.DeleteTopic(new DeleteTopicRequest()
{
TopicArn = conInfo.TopicArn
});
if (response.HttpStatusCode != null)
{
do
{
// ok, to verify deletion, we need to list all of the topics and search for the one we just deleted.
// if it's still there, its probably in queue to be deleted, we'll sleep the thread and give it a minute.
// once its gone, we'll return true.
// if after an intolerable amount of time the queue is still there, throw an error.
var verificationResponse = client.ListTopics(new ListTopicsRequest());
// if there are no topics, ok!
if (verificationResponse.Topics.Count == 0)
{
deprovisionResult.IsSuccess = true;
break;
}
// if there are existing topics, search for the one we just deleted.
if (verificationResponse.Topics.Find(m => m.TopicArn.Equals(conInfo.TopicArn)) == null)
{
deprovisionResult.IsSuccess = true;
break;
}
// otherwise, the topic still exists and we need to wait a little longer.
Thread.Sleep(TimeSpan.FromSeconds(10d));
} while (true);
}
}
catch (Exception e)
{
deprovisionResult.EndUserMessage += "An error occurred during deletion. Your SNS queue may be deleted, but we were unable to verify. Please check your AWS Console.";
deprovisionResult.EndUserMessage += e.Message;
}
return(deprovisionResult);
}
private CreateTopicRequest CreateTopicRequest(DeveloperOptions devOptions)
{
var request = new CreateTopicRequest()
{
// TODO - need to determine where defaults are used, and then not create the constructor where value is null (to use default)
Name = devOptions.TopicName
// These are required values.
};
return(request);
}
private CreatePlatformEndpointRequest CreatePlatformEndpointRequest(DeveloperOptions devOptions)
{
var request = new CreatePlatformEndpointRequest()
{
PlatformApplicationArn = devOptions.PlatformApplicationArn,
CustomUserData = devOptions.CustomUserData,
Token = devOptions.Token,
Attributes = devOptions.EndpointAttributes
};
return(request);
}
private CreatePlatformApplicationRequest CreatePlatformApplicaitonRequest(DeveloperOptions devOptions)
{
var request = new CreatePlatformApplicationRequest()
{
// TODO - need to determine where defaults are used, and then not create the constructor where value is null (to use default)
Name = devOptions.PlatformApplicationName,
Attributes = devOptions.PlatformAttributes,
Platform = devOptions.MessagingPlatform
// These are required values.
};
return(request);
}
// Interior method takes in instance of DeveloperOptions (aptly named existingOptions) and maps them to the proper value. In essence, a setter method.
private static void MapToOption(DeveloperOptions existingOptions, string key, string value)
{
if ("accesskey".Equals(key))
{
existingOptions.AccessKey = value;
return;
}
if ("secretkey".Equals(key))
{
existingOptions.SecretAccessKey = value;
return;
}
if ("topicname".Equals(key))
{
existingOptions.TopicName = value;
return;
}
if ("platformapplicationname".Equals(key))
{
existingOptions.PlatformApplicationName = value;
return;
}
if ("platformapplicationarn".Equals(key))
{
existingOptions.PlatformApplicationArn = value;
return;
}
if ("existingoptions".Equals(key))
{
existingOptions.Token = value;
return;
}
if ("customuserdata".Equals(key))
{
existingOptions.CustomUserData = value;
return;
}
throw new ArgumentException(string.Format("The developer option '{0}' was not expected and is not understood.", key));
}
private OperationResult EstablishClient(AddonManifest manifest, DeveloperOptions devOptions, out AmazonSimpleNotificationServiceClient client)
{
OperationResult result;
bool requireCreds;
var manifestprops = manifest.GetProperties().ToDictionary(x => x.Key, x => x.Value);
var AccessKey = manifestprops["AWSClientKey"];
var SecretAccessKey = manifestprops["AWSSecretKey"];
var _RegionEndpoint = manifestprops["AWSRegionEndpoint"];
var prop =
manifest.Properties.First(
p => p.Key.Equals("requireDevCredentials", StringComparison.InvariantCultureIgnoreCase));
if (bool.TryParse(prop.Value, out requireCreds) && requireCreds)
{
if (!ValidateDevCreds(devOptions))
{
client = null;
result = new OperationResult()
{
IsSuccess = false,
EndUserMessage =
"The add on requires that developer credentials are specified but none were provided."
};
return(result);
}
//accessKey = devOptions.AccessKey;
//secretAccessKey = devOptions.SecretAccessKey;
}
AmazonSimpleNotificationServiceConfig config = new AmazonSimpleNotificationServiceConfig()
{
RegionEndpoint = RegionEndpoint.USEast1
};
client = new AmazonSimpleNotificationServiceClient(AccessKey, SecretAccessKey, config);
result = new OperationResult {
IsSuccess = true
};
return(result);
}
private OperationResult ParseDevOptions(string developerOptions, out DeveloperOptions devOptions)
{
devOptions = null;
var result = new OperationResult()
{
IsSuccess = false
};
var progress = "";
try
{
progress += "Parsing developer options...\n";
devOptions = DeveloperOptions.Parse(developerOptions);
}
catch (ArgumentException e)
{
result.EndUserMessage = e.Message;
return(result);
}
result.IsSuccess = true;
result.EndUserMessage = progress;
return(result);
}
// TODO: We might be able to extend this.
private bool ValidateDevCreds(DeveloperOptions devOptions)
{
return !(string.IsNullOrWhiteSpace(devOptions.AccessKey) || string.IsNullOrWhiteSpace(devOptions.SecretAccessKey));
}
private OperationResult ParseDevOptions(string developerOptions, out DeveloperOptions devOptions)
{
devOptions = null;
var result = new OperationResult() { IsSuccess = false };
var progress = "";
try
{
progress += "Parsing developer options...\n";
devOptions = DeveloperOptions.Parse(developerOptions);
}
catch (ArgumentException e)
{
result.EndUserMessage = e.Message;
return result;
}
result.IsSuccess = true;
result.EndUserMessage = progress;
return result;
}
private OperationResult EstablishClient(AddonManifest manifest, DeveloperOptions devOptions, out AmazonSimpleNotificationServiceClient client)
{
OperationResult result;
bool requireCreds;
var manifestprops = manifest.GetProperties().ToDictionary(x => x.Key, x => x.Value);
var AccessKey = manifestprops["AWSClientKey"];
var SecretAccessKey = manifestprops["AWSSecretKey"];
var _RegionEndpoint = manifestprops["AWSRegionEndpoint"];
var prop =
manifest.Properties.First(
p => p.Key.Equals("requireDevCredentials", StringComparison.InvariantCultureIgnoreCase));
if (bool.TryParse(prop.Value, out requireCreds) && requireCreds)
{
if (!ValidateDevCreds(devOptions))
{
client = null;
result = new OperationResult()
{
IsSuccess = false,
EndUserMessage =
"The add on requires that developer credentials are specified but none were provided."
};
return result;
}
//accessKey = devOptions.AccessKey;
//secretAccessKey = devOptions.SecretAccessKey;
}
AmazonSimpleNotificationServiceConfig config = new AmazonSimpleNotificationServiceConfig() { RegionEndpoint = RegionEndpoint.USEast1 };
client = new AmazonSimpleNotificationServiceClient(AccessKey, SecretAccessKey, config);
result = new OperationResult { IsSuccess = true };
return result;
}
private CreateTopicRequest CreateTopicRequest(DeveloperOptions devOptions)
{
var request = new CreateTopicRequest()
{
// TODO - need to determine where defaults are used, and then not create the constructor where value is null (to use default)
Name = devOptions.TopicName
// These are required values.
};
return request;
}
private CreatePlatformEndpointRequest CreatePlatformEndpointRequest(DeveloperOptions devOptions)
{
var request = new CreatePlatformEndpointRequest()
{
PlatformApplicationArn = devOptions.PlatformApplicationArn,
CustomUserData = devOptions.CustomUserData,
Token = devOptions.Token,
Attributes = devOptions.EndpointAttributes
};
return request;
}
private CreatePlatformApplicationRequest CreatePlatformApplicaitonRequest(DeveloperOptions devOptions)
{
var request = new CreatePlatformApplicationRequest()
{
// TODO - need to determine where defaults are used, and then not create the constructor where value is null (to use default)
Name = devOptions.PlatformApplicationName,
Attributes = devOptions.PlatformAttributes,
Platform = devOptions.MessagingPlatform
// These are required values.
};
return request;
}
// Provision SNS Topic
// Input: AddonDeprovisionRequest request
// Output: ProvisionAddOnResult
public override ProvisionAddOnResult Provision(AddonProvisionRequest request)
{
// i think this is a bug. but I'm going to throw an empty string to it to clear the warning.
var provisionResult = new ProvisionAddOnResult("");
AddonManifest manifest = request.Manifest;
string developerOptions = request.DeveloperOptions;
try
{
AmazonSimpleNotificationServiceClient client;
DeveloperOptions devOptions;
var parseOptionsResult = ParseDevOptions(developerOptions, out devOptions);
if (!parseOptionsResult.IsSuccess)
{
provisionResult.EndUserMessage = parseOptionsResult.EndUserMessage;
return(provisionResult);
}
var establishClientResult = EstablishClient(manifest, DeveloperOptions.Parse(developerOptions), out client);
if (!establishClientResult.IsSuccess)
{
provisionResult.EndUserMessage = establishClientResult.EndUserMessage;
return(provisionResult);
}
var response = client.CreateTopic(CreateTopicRequest(devOptions));
do
{
var verificationResponse = client.GetTopicAttributes(new GetTopicAttributesRequest()
{
TopicArn = response.TopicArn
});
// ok so the attributes works as follows:
// attributes[0] - topicarn
// attributes[1] - owner
// attributes[2] - policy
// attributes[3] - displayname
// attributes[4] - subscriptionspending
// attributes[5] - subscriptionsconfirmed
// attributes[6] - subscriptionsdeleted
// attributes[7] - deliverypolicy
// attributes[8] - effectivedeliverypolicy
if (verificationResponse.Attributes["TopicArn"].Equals(response.TopicArn))
{
var conInfo = new ConnectionInfo()
{
TopicArn = verificationResponse.Attributes["TopicArn"],
QueueName = verificationResponse.Attributes["DisplayName"]
};
provisionResult.IsSuccess = true;
provisionResult.ConnectionData = conInfo.ToString();
break;
}
Thread.Sleep(TimeSpan.FromSeconds(10d));
} while (true);
}
catch (Exception e)
{
provisionResult.EndUserMessage = e.Message;
}
return(provisionResult);
}
// Interior method takes in instance of DeveloperOptions (aptly named existingOptions) and maps them to the proper value. In essence, a setter method.
private static void MapToOption(DeveloperOptions existingOptions, string key, string value)
{
if ("accesskey".Equals(key))
{
existingOptions.AccessKey = value;
return;
}
if ("secretkey".Equals(key))
{
existingOptions.SecretAccessKey = value;
return;
}
if("topicname".Equals(key))
{
existingOptions.TopicName = value;
return;
}
if ("platformapplicationname".Equals(key))
{
existingOptions.PlatformApplicationName = value;
return;
}
if ("platformapplicationarn".Equals(key))
{
existingOptions.PlatformApplicationArn = value;
return;
}
if ("existingoptions".Equals(key))
{
existingOptions.Token = value;
return;
}
if ("customuserdata".Equals(key))
{
existingOptions.CustomUserData = value;
return;
}
throw new ArgumentException(string.Format("The developer option '{0}' was not expected and is not understood.", key));
}
// TODO: We might be able to extend this.
private bool ValidateDevCreds(DeveloperOptions devOptions)
{
return(!(string.IsNullOrWhiteSpace(devOptions.AccessKey) || string.IsNullOrWhiteSpace(devOptions.SecretAccessKey)));
}
