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External server-side components.
Most Jabber server implementations allow for add-on components that act as a
separate entity on the Jabber network, but use the server-to-server
functionality of a regular Jabber IM server. These so-called 'external
components' are connected to the Jabber server using the Jabber Component
Protocol as defined in U{JEP-0114<http://www.jabber.org/jeps/jep-0114.html>}.
This module allows for writing external server-side component by assigning one
or more services implementing L{ijabber.IService} up to L{ServiceManager}. The
ServiceManager connects to the Jabber server and is responsible for the
corresponding XML stream.
� )� implementer)�service)�defer)�log)�error�ijabber� jstrports� xmlstream)� internJID)�domishzjabber:component:acceptc �D � t | |� }t j |� S )z�
XML stream factory for external server-side components.
@param componentid: JID of the component.
@type componentid: L{unicode}
@param password: password used to authenticate to the server.
@type password: C{str}
)� ConnectComponentAuthenticatorr
�XmlStreamFactory)� componentid�password�as �J/usr/lib/python3/dist-packages/twisted/words/protocols/jabber/component.py�componentFactoryr ! s! � � &�k�8�<�A� � %� %�a� (�(� c �" � e Zd ZdZd� Zd� Zd� Zy)� ComponentInitiatingInitializerz�
External server-side component authentication initializer for the
initiating entity.
@ivar xmlstream: XML stream between server and component.
@type xmlstream: L{xmlstream.XmlStream}
c � � || _ d | _ y �N)r
� _deferred��self�xss r �__init__z'ComponentInitiatingInitializer.__init__7 s � ���� ��r c � � | j }t j | j j df� }t j |j
|j j � }|j t |� � |j d| j � |j |� t j � | _ | j S )N� handshakez
/handshake)r
r �Element� namespace� hashPassword�sid�
authenticatorr �
addContent�str�addOnetimeObserver� _cbHandshake�sendr �Deferredr )r r �hs�digests r �
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� otherEntity�
thisEntityr �callback)r �_s r r) z+ComponentInitiatingInitializer._cbHandshakeG s, � � %)�N�N�$>�$>����!� ��� � ��%r N)�__name__�
__module__� __qualname__�__doc__r r. r) � r r r r . s � �� �
�&r r c � � e Zd ZdZeZd� Zd� Zy)r z�
Authenticator to permit an XmlStream to authenticate against a Jabber
server as an external component (where the Authenticator is initiating the
stream).
c �R � t j j | |� || _ y)z�
@type componentjid: C{str}
@param componentjid: Jabber ID that this component wishes to bind to.
@type password: C{str}
@param password: Password/secret this component uses to authenticate.
N)r
�ConnectAuthenticatorr r )r � componentjidr s r r z&ConnectComponentAuthenticator.__init__W s! � � �&�&�/�/��l�C� ��
r c �t � d|_ t j j | |� t |� g|_ y )N�r r )�versionr
r; �associateWithStreamr � initializersr s r r@ z1ConnectComponentAuthenticator.associateWithStreamc s. � ���
��&�&�:�:�4��D�9�"�=�>��r N)r4 r5 r6 r7 �NS_COMPONENT_ACCEPTr" r r@ r8 r r r r N s � �� $�I�
!�?r r c �2 � e Zd ZdZeZd� Zd� Zd� Zd� Z d� Z
y)� ListenComponentAuthenticatorz�
Authenticator for accepting components.
@since: 8.2
@ivar secret: The shared secret used to authorized incoming component
connections.
@type secret: C{unicode}.
c �P � || _ t j j | � y r )�secretr
�ListenAuthenticatorr )r rF s r r z%ListenComponentAuthenticator.__init__v s � � �� ��%�%�.�.�t�4r c �R � d|_ t j j | |� y)z�
Associate the authenticator with a stream.
This sets the stream's version to 0.0, because the XEP-0114 component
protocol was not designed for XMPP 1.0.
r> N)r? r
rG r@ r s r r@ z0ListenComponentAuthenticator.associateWithStreamz s! � � ��
��%�%�9�9�$��Cr c �� � t j j | |� |j | j k7 r1t j d� }| j j |� y| j j s1t j d� }| j j |� y| j j � | j j d| j � y)aa
Called by the stream when it has started.
This examines the default namespace of the incoming stream and whether
there is a requested hostname for the component. Then it generates a
stream identifier, sends a response header and adds an observer for
the first incoming element, triggering L{onElement}.
zinvalid-namespaceNzimproper-addressing�/*) r
rG �
streamStarted�
defaultUrir" r � StreamError�sendStreamErrorr1 �
sendHeaderr( � onElement)r � rootElement�excs r rK z*ListenComponentAuthenticator.streamStarted� s� � � �%�%�3�3�D�+�F� � !� !�T�^�^� 3��#�#�$7�8�C� �N�N� *� *�3� /� � �~�~�(�(��#�#�$9�:�C� �N�N� *� *�3� /� � ���!�!�#� ���)�)�$����?r c �� � |j |j f| j dfk( r| j t |� � yt j d� }| j j |� y)a.
Called on incoming XML Stanzas.
The very first element received should be a request for handshake.
Otherwise, the stream is dropped with a 'not-authorized' error. If a
handshake request was received, the hash is extracted and passed to
L{onHandshake}.
r �not-authorizedN) �uri�namer" � onHandshaker' r rM r
rN )r �elementrR s r rP z&ListenComponentAuthenticator.onElement� sW � �
�K�K�� � � &�4�>�>�;�*G� G� � � �S��\� *��#�#�$4�5�C� �N�N� *� *�3� /r c � � t j | j j t | j � � }||k7 r3t j dd�� }| j j |� y| j j d� | j j | j t j � y)a9
Called upon receiving the handshake request.
This checks that the given hash in C{handshake} is equal to a
calculated hash, responding with a handshake reply or a stream error.
If the handshake was ok, the stream is authorized, and XML Stanzas may
be exchanged.
rT z Invalid hash)�textz <handshake/>N) r
r# r$ r' rF r rM rN r* �dispatch�STREAM_AUTHD_EVENT)r r �calculatedHashrR s r rW z(ListenComponentAuthenticator.onHandshake� s� � � #�/�/����0B�0B�C�� � �DT�U�� �� &��#�#�$4�>�J�C� �N�N� *� *�3� /� �N�N� � �� /� �N�N� #� #�D�N�N�I�4P�4P� Qr N) r4 r5 r6 r7 rB r" r r@ rK rP rW r8 r r rD rD j s* � �� $�I�5�D�@�6
0� Rr rD c �( � e Zd ZdZd� Zd� Zd� Zd� Zy)�Servicez1
External server-side component service.
c � � y r r8 r s r �componentConnectedzService.componentConnected� � � � r c � � y r r8 �r s r �componentDisconnectedz Service.componentDisconnected� rb r c � � y r r8 r s r �transportConnectedzService.transportConnected� rb r c �: � | j j |� y)a�
Send data over service parent's XML stream.
@note: L{ServiceManager} maintains a queue for data sent using this
method when there is no current established XML stream. This data is
then sent as soon as a new stream has been established and initialized.
Subsequently, L{componentConnected} will be called again. If this
queueing is not desired, use C{send} on the XmlStream object (passed to
L{componentConnected}) directly.
@param obj: data to be sent over the XML stream. This is usually an
object providing L{domish.IElement}, or serialized XML. See
L{xmlstream.XmlStream} for details.
N)�parentr* �r �objs r r* z Service.send� s � �
� � ���� r N)r4 r5 r6 r7 ra re rg r* r8 r r r_ r_ � s � ��
�
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� r r_ c �4 � e Zd ZdZd� Zd� Zd� Zd� Zd� Zd� Z y) �ServiceManagera[
Business logic for a managed component connection to a Jabber router.
This service maintains a single connection to a Jabber router and provides
facilities for packet routing and transmission. Business logic modules are
services implementing L{ijabber.IService} (like subclasses of L{Service}),
and added as sub-service.
c �F � t j j | � || _ d | _ g | _ t
| j |� | _ | j j t j | j � | j j t j | j � | j j t j | j � | j j | _ | j j | _ y r )r � MultiServicer �jabberIdr
� _packetQueuer �
_xsFactory� addBootstrap�STREAM_CONNECTED_EVENT�
_connectedr\ �_authd�STREAM_END_EVENT�
_disconnected�removeBootstrap)r �jidr s r r zServiceManager.__init__� s� � �� � �%�%�d�+� ��
� ��� ��� +�4�=�=�(�C���
���$�$�Y�%E�%E�t���W� ���$�$�Y�%A�%A�4�;�;�O� ���$�$�Y�%?�%?��AS�AS�T�
!�O�O� 8� 8��� #��� >� >�� r c � � | j S r )rr rd s r �
getFactoryzServiceManager.getFactory s � ���� r c � � || _ | D ]3 }t j j |� s�#|j |� �5 y r )r
r �IService�
providedByrg )r r �cs r ru zServiceManager._connected s: � ����� )�A�� � �*�*�1�-��$�$�R�(� )r c �� � | j D ] }| j j |� � g | _ | D ]3 }t j j |� s�#|j
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r* r r~ r ra )r r �pr� s r rv zServiceManager._authd sd � ��"�"� #�A� �N�N� � �� "� #� ��� � )�A�� � �*�*�1�-��$�$�R�(� )r c � � d | _ | D ]2 }t j j |� s�#|j � �4 y r )r
r r~ r re )r r3 r� s r rx z ServiceManager._disconnected s: � � ��� � *�A�� � �*�*�1�-��'�'�)� *r c � � | j dk7 r | j j |� y| j j |� y)a�
Send data over the XML stream.
When there is no established XML stream, the data is queued and sent
out when a new XML stream has been established and initialized.
@param obj: data to be sent over the XML stream. This is usually an
object providing L{domish.IElement}, or serialized XML. See
L{xmlstream.XmlStream} for details.
N)r
r* rq �appendrj s r r* zServiceManager.send" s6 � � �>�>�T� !� �N�N� � �� $� � � � $� $�S� )r N)
r4 r5 r6 r7 r r| ru rv rx r* r8 r r rm rm � s% � ��?�2 �)� )�*�*r rm c � � t | |� }t j ||j � � }|j |� |S )z[
Constructs a pre-built L{ServiceManager}, using the specified strport
string.
)rm r �clientr| �setServiceParent)rz r �strport�svc�
client_svcs r �buildServiceManagerr� 4 s< � � ��h�
'�C��!�!�'�3�>�>�+;�<�J�� � ��$� �Jr c �( � e Zd ZdZd� Zd� Zd� Zd� Zy)�Routera�
XMPP Server's Router.
A router connects the different components of the XMPP service and routes
messages between them based on the given routing table.
Connected components are trusted to have correct addressing in the
stanzas they offer for routing.
A route destination of L{None} adds a default route. Traffic for which no
specific route exists, will be routed to this default route.
@since: 8.2
@ivar routes: Routes based on the host part of JIDs. Maps host names to the
L{EventDispatcher<utility.EventDispatcher>}s that should
receive the traffic. A key of L{None} means the default
route.
@type routes: C{dict}
c � � i | _ y r )�routesrd s r r zRouter.__init__U s � ��� r c �Z � || j |< |j d| j � y)a
Add a new route.
The passed XML Stream C{xs} will have an observer for all stanzas
added to route its outgoing traffic. In turn, traffic for
C{destination} will be passed to this stream.
@param destination: Destination of the route to be added as a host name
or L{None} for the default route.
@type destination: C{str} or L{None}.
@param xs: XML Stream to register the route for.
@type xs: L{EventDispatcher<utility.EventDispatcher>}.
rJ N)r� � addObserver�route�r � destinationr s r �addRoutezRouter.addRouteX s$ � � $&�� � �K� �
���t�T�Z�Z�(r c �| � |j d| j � || j | k( r| j |= yy)a
Remove a route.
@param destination: Destination of the route that should be removed.
@type destination: C{str}.
@param xs: XML Stream to remove the route for.
@type xs: L{EventDispatcher<utility.EventDispatcher>}.
rJ N)�removeObserverr� r� r� s r � removeRoutezRouter.removeRoutei s: � � ���$��
�
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����[�)� )�� � �K�(� *r c �L � t |d � }t j d|j � � d|j � ��� |j
| j v r)| j |j
j |� y| j d j |� y)z{
Route a stanza.
@param stanza: The stanza to be routed.
@type stanza: L{domish.Element}.
�toz Routing to z: N)�JIDr �msg�full�toXml�hostr� r* )r �stanzar� s r r� z Router.routev s� � � �&��,�'� � ���+�k� .� .� 0� 1��F�L�L�N�3E�F�G� � � �t�{�{� *� �K�K� �(�(� )� .� .�v� 6� �K�K�� � "� "�6� *r N)r4 r5 r6 r7 r r� r� r� r8 r r r� r� @ s � ��(�)�" )�+r r� c �4 � e Zd ZdZdZd d�Zd� Zd� Zd� Zd� Z y)
�XMPPComponentServerFactoryz�
XMPP Component Server factory.
This factory accepts XMPP external component connections and makes
the router service route traffic for a component's bound domain
to that component.
@since: 8.2
Fc �" � � |� _ |� _ � fd�}t j j � |� � j t j � j � � j t j � j � d� _
y )Nc �. �� t � j � S r )rD rF rd s �r �authenticatorFactoryzAXMPPComponentServerFactory.__init__.<locals>.authenticatorFactory� s �� �/�� � �<� <r r ) �routerrF r
�XmlStreamServerFactoryr rs rt �onConnectionMader\ �onAuthenticated�serial)r r� rF r� s ` r r z#XMPPComponentServerFactory.__init__� sn �� � �� � �� � =� �(�(�1�1�$�8L�M� ���)�:�:�D�<Q�<Q�R� ���)�6�6��8L�8L�M��� r c �� �� | j �_ | xj dz
c_ �fd�}�fd�}| j r|�_ |�_ �j t
j | j � y)z{
Called when a component connection was made.
This enables traffic debugging on incoming streams.
� c �N �� t j d�j | fz � y )Nz
RECV (%d): %r�r r� r� ��bufr s �r � logDataInz>XMPPComponentServerFactory.onConnectionMade.<locals>.logDataIn� � �� � �G�G�O�r�y�y�#�&6�6� 7r c �N �� t j d�j | fz � y )Nz
SEND (%d): %rr� r� s �r �
logDataOutz?XMPPComponentServerFactory.onConnectionMade.<locals>.logDataOut� r� r N)r� �
logTraffic� rawDataInFn� rawDataOutFnr� r
�STREAM_ERROR_EVENT�onError)r r r� r� s ` r r� z+XMPPComponentServerFactory.onConnectionMade� sW �� � �K�K�� � � � �q�� � 8� 8� �?�?� &�B�N� (�B�O�
���y�3�3�T�\�\�Br c �� � |j j }| j j ||� |j t
j | j d||� y)z�
Called when a component has successfully authenticated.
Add the component to the routing table and establish a handler
for a closed connection.
r N)r1 r� r� r� r� r
rw �onConnectionLost)r r r� s r r� z*XMPPComponentServerFactory.onAuthenticated� sJ � � �m�m�(�(� � � � � � �[�"�-�
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r c �0 � t j |d� y )Nz Stream Error)r �err)r �reasons r r� z"XMPPComponentServerFactory.onError� s � � �����'r c �< � | j j ||� y r )r� r� )r r� r r� s r r� z+XMPPComponentServerFactory.onConnectionLost� s � � � � � � � �R�0r N)rF )
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