C# Class Amazon.SimpleNotificationService.Util.Message

This class reads in JSON formatted Amazon SNS messages into Message objects. The messages can also be verified using the IsMessageSignatureValid operation.

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Private Properties

Property	Type	Description
BuildNotificationStringToSign	string
BuildSubscriptionStringToSign	string
GetMessageBytesToSign	byte[]
GetX509Certificate	System.Security.Cryptography.X509Certificates.X509Certificate2
MakeGetRequest	void
Message	System
ValidateCertUrl	string

Public Methods

Method	Description
IsMessageSignatureValid ( ) : bool	Verifies the authenticity of a message sent by Amazon SNS. This is done by computing a signature from the fields in the message and then comparing the signature to the signature provided as part of the message.
ParseMessage ( string messageText ) : Message	Parses the JSON message from Amazon SNS into the Message object.
SubscribeToTopic ( ) : void	Uses the SubscribeURL property to subscribe to the topic
UnsubscribeFromTopic ( ) : void	Uses the UnsubscribeURL property to unsubscribe from the topic

Private Methods

Method	Description
BuildNotificationStringToSign ( ) : string	Build the string to sign for SubscriptionConfirmation and UnsubscribeConfirmation messages.
BuildSubscriptionStringToSign ( ) : string	Build the string to sign for Notification messages.
GetMessageBytesToSign ( ) : byte[]
GetX509Certificate ( ) : X509Certificate2
MakeGetRequest ( string url, string action ) : void
Message ( ) : System
ValidateCertUrl ( string certUrl ) : string	Verifies that the signing certificate url is from a recognizable source. Returns the cert url if it cen be verified, otherwise throws an exception.

Method Details

IsMessageSignatureValid() public method

Verifies the authenticity of a message sent by Amazon SNS. This is done by computing a signature from the fields in the message and then comparing the signature to the signature provided as part of the message.

public IsMessageSignatureValid ( ) : bool
return	bool

ParseMessage() public static method

Parses the JSON message from Amazon SNS into the Message object.

public static ParseMessage ( string messageText ) : Message
messageText	string	The JSON text from an Amazon SNS message
return	Message

SubscribeToTopic() public method

Uses the SubscribeURL property to subscribe to the topic

public SubscribeToTopic ( ) : void
return	void

UnsubscribeFromTopic() public method

Uses the UnsubscribeURL property to unsubscribe from the topic

public UnsubscribeFromTopic ( ) : void
return	void