This class reads in JSON formatted Amazon SNS messages into Message objects. The messages can also be verified using the IsMessageSignatureValid operation.
Inheritance Hierarchy
Namespace: Amazon.SimpleNotificationService.Util
Assembly: AWSSDK.dll
Version: (assembly version)
Syntax
public class Message : Object
The Message type exposes the following members
Properties
| Name | Type | Description | |
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IsNotificationType | System.Boolean | Returns true if the message type is a notification message. |
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IsSubscriptionType | System.Boolean | Returns true if the message type is a subscription confirmation. |
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IsUnsubscriptionType | System.Boolean | Returns true if the message type is a unsubscribe confirmation. |
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MessageId | System.String | Gets a Universally Unique Identifier, unique for each message published. For a notification that Amazon SNS resends during a retry, the message ID of the original message is used. |
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MessageText | System.String | Gets the MessageText value specified when the notification was published to the topic. |
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Signature | System.String | Gets the Base64-encoded "SHA1withRSA" signature of the Message, MessageId, Subject (if present), Type, Timestamp, and TopicArn values. |
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SignatureVersion | System.String | Gets the Version of the Amazon SNS signature used. |
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SigningCertURL | System.String | Gets the URL to the certificate that was used to sign the message. |
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Subject | System.String | Gets the Subject parameter specified when the notification was published to the topic. Note that this is an optional parameter. If no Subject was specified, then this name/value pair does not appear in this JSON document. |
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SubscribeURL | System.String | Gets the URL that you must visit in order to re-confirm the subscription. Alternatively, you can instead use the Token with the ConfirmSubscription action to re-confirm the subscription. |
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Timestamp | System.DateTime | Gets the time (GMT) when the notification was published. |
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Token | System.String | Gets a value you can use with the ConfirmSubscription action to re-confirm the subscription. Alternatively, you can simply visit the SubscribeURL. |
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TopicArn | System.String | Gets the Amazon Resource Name (ARN) for the topic. |
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Type | System.String | Gets the type of message. Possible values are Notification, SubscriptionConfirmation, and UnsubscribeConfirmation. |
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UnsubscribeURL | System.String | Gets a URL that you can use to unsubscribe the endpoint from this topic. If you visit this URL, Amazon SNS unsubscribes the endpoint and stops sending notifications to this endpoint. |
Methods
| Name | Description | |
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IsMessageSignatureValid() | 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. |
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ParseMessage(string) | Parses the JSON message from Amazon SNS into the Message object. |
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SubscribeToTopic() | Uses the SubscribeURL property to subscribe to the topic |
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UnsubscribeFromTopic() | Uses the UnsubscribeURL property to unsubscribe from the topic |
Fields
| Name | Type | Description | |
|---|---|---|---|
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MESSAGE_TYPE_NOTIFICATION | System.String | The value of the Type property for a notification message |
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MESSAGE_TYPE_SUBSCRIPTION_CONFIRMATION | System.String | The value of the Type property for a subscription confirmation message |
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MESSAGE_TYPE_UNSUBSCRIPTION_CONFIRMATION | System.String | The value of the Type property for a unsubscribe confirmation message |
Version Information
.NET Framework:
Supported in: 4.5, 4.0, 3.5
.NET for Windows Store apps:
Supported in: Windows 8
.NET for Windows Phone:
Supported in: Windows Phone 8