Node / ReticulumProjects / MeshChatX.git / files / meshchatx / src / backend / forwarding_manager.py

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T8b949e# SPDX-License-Identifier: 0BSD

Tff7b72import T7ee787base64

Tff7b72import T7ee787contextlib

Tff7b72import T7ee787os

Tff7b72import T7ee787RNS

Tff7b72from T7ee787.T7ee787database Tff7b72import Te6edf3Database

Tff7b72from T7ee787.T7ee787meshchat_utils Tff7b72import Te6edf3create_lxmf_router

Tff7b72class T56d364ForwardingManagerTb4b4b4:

Tff7b72def Tff7b72__init__Tb4b4b4(Tff7b72selfTb4b4b4, Te6edf3dbTb4b4b4: Te6edf3DatabaseTb4b4b4, Te6edf3storage_pathTb4b4b4: Tffa657strTb4b4b4, Te6edf3delivery_callbackTb4b4b4, Te6edf3configTff7b72=Tff7b72NoneTb4b4b4)Tb4b4b4:

Tff7b72selfTff7b72.Td2a8ffdb Tff7b72= Te6edf3db

Tff7b72selfTff7b72.Td2a8ffstorage_path Tff7b72= Te6edf3storage_path

Tff7b72selfTff7b72.Td2a8ffdelivery_callback Tff7b72= Te6edf3delivery_callback

Tff7b72selfTff7b72.Td2a8ffconfig Tff7b72= Te6edf3config

Tff7b72selfTff7b72.Td2a8ffforwarding_destinations Tff7b72= Tb4b4b4{Tb4b4b4}

Tff7b72selfTff7b72.Td2a8ffforwarding_routers Tff7b72= Tb4b4b4{Tb4b4b4}

Tff7b72def Td2a8ffload_aliasesTb4b4b4(Tff7b72selfTb4b4b4)Tb4b4b4:

Te6edf3mappings Tff7b72= Tff7b72selfTff7b72.Td2a8ffdbTff7b72.Td2a8ffmessagesTff7b72.Td2a8ffget_all_forwarding_mappingsTb4b4b4(Tb4b4b4)

Tff7b72for Te6edf3mapping Tff7b72in Te6edf3mappingsTb4b4b4:

Tff7b72tryTb4b4b4:

Te6edf3private_key_bytes Tff7b72= Te6edf3base64Tff7b72.Td2a8ffb64decodeTb4b4b4(

Te6edf3mappingTb4b4b4[Ta5d6ff"Ta5d6ffalias_identity_private_keyTa5d6ff"Tb4b4b4]Tb4b4b4,

Tb4b4b4)

Te6edf3alias_identity Tff7b72= Te6edf3RNSTff7b72.Td2a8ffIdentityTff7b72.Td2a8fffrom_bytesTb4b4b4(Te6edf3private_key_bytesTb4b4b4)

Te6edf3alias_hash Tff7b72= Te6edf3mappingTb4b4b4[Ta5d6ff"Ta5d6ffalias_hashTa5d6ff"Tb4b4b4]

T8b949e# create temp router for this alias

Te6edf3router_storage_path Tff7b72= Te6edf3osTff7b72.Td2a8ffpathTff7b72.Td2a8ffjoinTb4b4b4(

Tff7b72selfTff7b72.Td2a8ffstorage_pathTb4b4b4,

Ta5d6ff"Ta5d6ffforwardingTa5d6ff"Tb4b4b4,

Te6edf3alias_hashTb4b4b4,

Tb4b4b4)

Te6edf3osTff7b72.Td2a8ffmakedirsTb4b4b4(Te6edf3router_storage_pathTb4b4b4, Te6edf3exist_okTff7b72=Tff7b72TrueTb4b4b4)

Te6edf3router Tff7b72= Te6edf3create_lxmf_routerTb4b4b4(

Te6edf3identityTff7b72=Te6edf3alias_identityTb4b4b4,

Te6edf3storagepathTff7b72=Te6edf3router_storage_pathTb4b4b4,

Tb4b4b4)

Te6edf3routerTff7b72.Td2a8ffPROCESSING_INTERVAL Tff7b72= T79c0ff1

Tff7b72if Tff7b72selfTff7b72.Td2a8ffconfigTb4b4b4:

Te6edf3routerTff7b72.Td2a8ffdelivery_per_transfer_limit Tff7b72= Tb4b4b4(

Tff7b72selfTff7b72.Td2a8ffconfigTff7b72.Td2a8fflxmf_delivery_transfer_limit_in_bytesTff7b72.Td2a8ffgetTb4b4b4(Tb4b4b4) Tff7b72/ T79c0ff1000

Tb4b4b4)

Te6edf3routerTff7b72.Td2a8ffregister_delivery_callbackTb4b4b4(Tff7b72selfTff7b72.Td2a8ffdelivery_callbackTb4b4b4)

Te6edf3alias_destination Tff7b72= Te6edf3routerTff7b72.Td2a8ffregister_delivery_identityTb4b4b4(

Te6edf3identityTff7b72=Te6edf3alias_identityTb4b4b4,

Tb4b4b4)

Tff7b72selfTff7b72.Td2a8ffforwarding_destinationsTb4b4b4[Te6edf3alias_hashTb4b4b4] Tff7b72= Te6edf3alias_destination

Tff7b72selfTff7b72.Td2a8ffforwarding_routersTb4b4b4[Te6edf3alias_hashTb4b4b4] Tff7b72= Te6edf3router

Tff7b72except Tf85149Exception Tff7b72as Te6edf3eTb4b4b4:

Tffa657printTb4b4b4(Ta5d6fffTa5d6ff"Ta5d6ffFailed to load forwarding alias Tffd700{Te6edf3mappingTb4b4b4[Ta5d6ff'Ta5d6ffalias_hashTa5d6ff'Tb4b4b4]Tffd700}Ta5d6ff: Tffd700{Te6edf3eTffd700}Ta5d6ff"Tb4b4b4)

Tff7b72def Td2a8ffget_or_create_mappingTb4b4b4(

Tff7b72selfTb4b4b4,

Te6edf3source_hashTb4b4b4,

Te6edf3final_recipient_hashTb4b4b4,

Te6edf3original_destination_hashTb4b4b4,

Tb4b4b4)Tb4b4b4:

Te6edf3mapping Tff7b72= Tff7b72selfTff7b72.Td2a8ffdbTff7b72.Td2a8ffmessagesTff7b72.Td2a8ffget_forwarding_mappingTb4b4b4(

Te6edf3original_sender_hashTff7b72=Te6edf3source_hashTb4b4b4,

Te6edf3final_recipient_hashTff7b72=Te6edf3final_recipient_hashTb4b4b4,

Tb4b4b4)

Tff7b72if Tff7b72not Te6edf3mappingTb4b4b4:

Te6edf3alias_identity Tff7b72= Te6edf3RNSTff7b72.Td2a8ffIdentityTb4b4b4(Tb4b4b4)

Te6edf3alias_hash Tff7b72= Te6edf3alias_identityTff7b72.Td2a8ffhashTff7b72.Td2a8ffhexTb4b4b4(Tb4b4b4)

T8b949e# create temp router for this alias

Te6edf3router_storage_path Tff7b72= Te6edf3osTff7b72.Td2a8ffpathTff7b72.Td2a8ffjoinTb4b4b4(

Tff7b72selfTff7b72.Td2a8ffstorage_pathTb4b4b4,

Ta5d6ff"Ta5d6ffforwardingTa5d6ff"Tb4b4b4,

Te6edf3alias_hashTb4b4b4,

Tb4b4b4)

Te6edf3osTff7b72.Td2a8ffmakedirsTb4b4b4(Te6edf3router_storage_pathTb4b4b4, Te6edf3exist_okTff7b72=Tff7b72TrueTb4b4b4)

Te6edf3router Tff7b72= Te6edf3create_lxmf_routerTb4b4b4(

Te6edf3identityTff7b72=Te6edf3alias_identityTb4b4b4,

Te6edf3storagepathTff7b72=Te6edf3router_storage_pathTb4b4b4,

Tb4b4b4)

Te6edf3routerTff7b72.Td2a8ffPROCESSING_INTERVAL Tff7b72= T79c0ff1

Tff7b72if Tff7b72selfTff7b72.Td2a8ffconfigTb4b4b4:

Te6edf3routerTff7b72.Td2a8ffdelivery_per_transfer_limit Tff7b72= Tb4b4b4(

Tff7b72selfTff7b72.Td2a8ffconfigTff7b72.Td2a8fflxmf_delivery_transfer_limit_in_bytesTff7b72.Td2a8ffgetTb4b4b4(Tb4b4b4) Tff7b72/ T79c0ff1000

Tb4b4b4)

Te6edf3routerTff7b72.Td2a8ffregister_delivery_callbackTb4b4b4(Tff7b72selfTff7b72.Td2a8ffdelivery_callbackTb4b4b4)

Te6edf3alias_destination Tff7b72= Te6edf3routerTff7b72.Td2a8ffregister_delivery_identityTb4b4b4(

Te6edf3identityTff7b72=Te6edf3alias_identityTb4b4b4,

Tb4b4b4)

Tff7b72selfTff7b72.Td2a8ffforwarding_destinationsTb4b4b4[Te6edf3alias_hashTb4b4b4] Tff7b72= Te6edf3alias_destination

Tff7b72selfTff7b72.Td2a8ffforwarding_routersTb4b4b4[Te6edf3alias_hashTb4b4b4] Tff7b72= Te6edf3router

Te6edf3private_key Tff7b72= Te6edf3alias_identityTff7b72.Td2a8ffget_private_keyTb4b4b4(Tb4b4b4)

Tff7b72if Tff7b72not Te6edf3private_keyTb4b4b4:

Te6edf3msg Tff7b72= Ta5d6ff"Ta5d6ffalias identity has no private keyTa5d6ff"

Tff7b72raise Tf85149ValueErrorTb4b4b4(Te6edf3msgTb4b4b4)

Te6edf3data Tff7b72= Tb4b4b4{

Ta5d6ff"Ta5d6ffalias_identity_private_keyTa5d6ff"Tb4b4b4: Te6edf3base64Tff7b72.Td2a8ffb64encodeTb4b4b4(

Te6edf3private_keyTb4b4b4,

Tb4b4b4)Tff7b72.Td2a8ffdecodeTb4b4b4(Tb4b4b4)Tb4b4b4,

Ta5d6ff"Ta5d6ffalias_hashTa5d6ff"Tb4b4b4: Te6edf3alias_hashTb4b4b4,

Ta5d6ff"Ta5d6fforiginal_sender_hashTa5d6ff"Tb4b4b4: Te6edf3source_hashTb4b4b4,

Ta5d6ff"Ta5d6fffinal_recipient_hashTa5d6ff"Tb4b4b4: Te6edf3final_recipient_hashTb4b4b4,

Ta5d6ff"Ta5d6fforiginal_destination_hashTa5d6ff"Tb4b4b4: Te6edf3original_destination_hashTb4b4b4,

Tb4b4b4}

Tff7b72selfTff7b72.Td2a8ffdbTff7b72.Td2a8ffmessagesTff7b72.Td2a8ffcreate_forwarding_mappingTb4b4b4(Te6edf3dataTb4b4b4)

Tff7b72return Te6edf3data

Tff7b72return Te6edf3mapping

Tff7b72def Td2a8ffannounce_aliasesTb4b4b4(Tff7b72selfTb4b4b4)Tb4b4b4:

Tff7b72for Te6edf3alias_hash Tff7b72in Tff7b72selfTff7b72.Td2a8ffforwarding_destinationsTb4b4b4:

Te6edf3destination Tff7b72= Tff7b72selfTff7b72.Td2a8ffforwarding_destinationsTb4b4b4[Te6edf3alias_hashTb4b4b4]

Te6edf3destinationTff7b72.Td2a8ffannounceTb4b4b4(Tb4b4b4)

Tff7b72def Td2a8ffteardownTb4b4b4(Tff7b72selfTb4b4b4)Tb4b4b4:

T8b949e"""Stop alias LXMF routers and deregister their RNS destinations."""

Tff7b72for Te6edf3alias_hashTb4b4b4, Te6edf3router Tff7b72in Tffa657listTb4b4b4(Tff7b72selfTff7b72.Td2a8ffforwarding_routersTff7b72.Td2a8ffitemsTb4b4b4(Tb4b4b4)Tb4b4b4)Tb4b4b4:

Tff7b72tryTb4b4b4:

Tff7b72if Tffa657hasattrTb4b4b4(Te6edf3routerTb4b4b4, Ta5d6ff"Ta5d6ffregister_delivery_callbackTa5d6ff"Tb4b4b4)Tb4b4b4:

Tff7b72with Te6edf3contextlibTff7b72.Td2a8ffsuppressTb4b4b4(Tf85149ExceptionTb4b4b4)Tb4b4b4:

Te6edf3routerTff7b72.Td2a8ffregister_delivery_callbackTb4b4b4(Tff7b72NoneTb4b4b4)

Tff7b72if Tffa657hasattrTb4b4b4(Te6edf3routerTb4b4b4, Ta5d6ff"Ta5d6ffdelivery_destinationsTa5d6ff"Tb4b4b4)Tb4b4b4:

Tff7b72for Te6edf3dest_hash Tff7b72in Tffa657listTb4b4b4(Te6edf3routerTff7b72.Td2a8ffdelivery_destinationsTff7b72.Td2a8ffkeysTb4b4b4(Tb4b4b4)Tb4b4b4)Tb4b4b4:

Te6edf3dest Tff7b72= Te6edf3routerTff7b72.Td2a8ffdelivery_destinationsTb4b4b4[Te6edf3dest_hashTb4b4b4]

Tff7b72with Te6edf3contextlibTff7b72.Td2a8ffsuppressTb4b4b4(Tf85149ExceptionTb4b4b4)Tb4b4b4:

Te6edf3RNSTff7b72.Td2a8ffTransportTff7b72.Td2a8ffderegister_destinationTb4b4b4(Te6edf3destTb4b4b4)

Tff7b72if Tffa657getattrTb4b4b4(Te6edf3routerTb4b4b4, Ta5d6ff"Ta5d6ffpropagation_destinationTa5d6ff"Tb4b4b4, Tff7b72NoneTb4b4b4)Tb4b4b4:

Tff7b72with Te6edf3contextlibTff7b72.Td2a8ffsuppressTb4b4b4(Tf85149ExceptionTb4b4b4)Tb4b4b4:

Te6edf3RNSTff7b72.Td2a8ffTransportTff7b72.Td2a8ffderegister_destinationTb4b4b4(

Te6edf3routerTff7b72.Td2a8ffpropagation_destinationTb4b4b4,

Tb4b4b4)

Tff7b72except Tf85149Exception Tff7b72as Te6edf3eTb4b4b4:

Tffa657printTb4b4b4(Ta5d6fffTa5d6ff"Ta5d6ffError deregistering forwarding destinations Tffd700{Te6edf3alias_hashTffd700}Ta5d6ff: Tffd700{Te6edf3eTffd700}Ta5d6ff"Tb4b4b4)

Tff7b72tryTb4b4b4:

Tff7b72if Tffa657hasattrTb4b4b4(Te6edf3routerTb4b4b4, Ta5d6ff"Ta5d6ffidentityTa5d6ff"Tb4b4b4) Tff7b72and Te6edf3routerTff7b72.Td2a8ffidentityTb4b4b4:

Te6edf3ih Tff7b72= Te6edf3routerTff7b72.Td2a8ffidentityTff7b72.Td2a8ffhash

Tff7b72for Te6edf3link Tff7b72in Tffa657listTb4b4b4(Te6edf3RNSTff7b72.Td2a8ffTransportTff7b72.Td2a8ffactive_linksTb4b4b4)Tb4b4b4:

Te6edf3match Tff7b72= Tff7b72False

Tff7b72if Tffa657hasattrTb4b4b4(Te6edf3linkTb4b4b4, Ta5d6ff"Ta5d6ffdestinationTa5d6ff"Tb4b4b4) Tff7b72and Te6edf3linkTff7b72.Td2a8ffdestinationTb4b4b4:

Tff7b72if Tb4b4b4(

Tffa657hasattrTb4b4b4(Te6edf3linkTff7b72.Td2a8ffdestinationTb4b4b4, Ta5d6ff"Ta5d6ffidentityTa5d6ff"Tb4b4b4)

Tff7b72and Te6edf3linkTff7b72.Td2a8ffdestinationTff7b72.Td2a8ffidentity

Tb4b4b4)Tb4b4b4:

Tff7b72if Te6edf3linkTff7b72.Td2a8ffdestinationTff7b72.Td2a8ffidentityTff7b72.Td2a8ffhash Tff7b72== Te6edf3ihTb4b4b4:

Te6edf3match Tff7b72= Tff7b72True

Tff7b72if Te6edf3matchTb4b4b4:

Tff7b72with Te6edf3contextlibTff7b72.Td2a8ffsuppressTb4b4b4(Tf85149ExceptionTb4b4b4)Tb4b4b4:

Te6edf3linkTff7b72.Td2a8ffteardownTb4b4b4(Tb4b4b4)

Tff7b72except Tf85149Exception Tff7b72as Te6edf3eTb4b4b4:

Tffa657printTb4b4b4(Ta5d6fffTa5d6ff"Ta5d6ffError cleaning forwarding links Tffd700{Te6edf3alias_hashTffd700}Ta5d6ff: Tffd700{Te6edf3eTffd700}Ta5d6ff"Tb4b4b4)

Tff7b72tryTb4b4b4:

Te6edf3routerTff7b72.Td2a8ffjobs Tff7b72= Tff7b72lambdaTb4b4b4: Tff7b72None

Tff7b72if Tffa657hasattrTb4b4b4(Te6edf3routerTb4b4b4, Ta5d6ff"Ta5d6ffexit_handlerTa5d6ff"Tb4b4b4)Tb4b4b4:

Te6edf3routerTff7b72.Td2a8ffexit_handlerTb4b4b4(Tb4b4b4)

Tff7b72except Tf85149Exception Tff7b72as Te6edf3eTb4b4b4:

Tffa657printTb4b4b4(Ta5d6fffTa5d6ff"Ta5d6ffError stopping forwarding LXMF router Tffd700{Te6edf3alias_hashTffd700}Ta5d6ff: Tffd700{Te6edf3eTffd700}Ta5d6ff"Tb4b4b4)

Tff7b72selfTff7b72.Td2a8ffforwarding_destinationsTff7b72.Td2a8ffclearTb4b4b4(Tb4b4b4)

Tff7b72selfTff7b72.Td2a8ffforwarding_routersTff7b72.Td2a8ffclearTb4b4b4(Tb4b4b4)