Messenger Providers¶

MessengerProvider ¶

Bases: ABC

Facebook Messenger delivery provider.

name

Provider name.

send(event, to)

Send a Facebook Messenger message.

Parameters:

Name	Type	Description	Default
`event`	`RoomEvent`	The room event containing the message content.	required
`to`	`str`	Recipient Messenger user ID.	required

Returns:

Type	Description
`ProviderResult`	Result with provider-specific delivery metadata.

verify_signature(payload, signature)

Verify that a webhook payload was signed by Facebook.

Parameters:

Name	Type	Description	Default
`payload`	`bytes`	Raw request body bytes.	required
`signature`	`str`	Value of the `X-Hub-Signature-256` header.	required

Returns:

Type	Description
`bool`	True if the signature is valid, False otherwise.

Raises:

Type	Description
`NotImplementedError`	If the provider does not support signature verification.

close()

Release resources. Override in subclasses that hold connections.

MockMessengerProvider()

Records sent messages for verification in tests.