purple-signald

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A libpurple/Pidgin plugin for signald (signal, formerly textsecure).

signald is written by Finn Herzfeld.

An unofficial IRC channel exists on Libera.chat called ##purple-signald for those who use it.

Known Issues

• Sometimes, group chats are added to the buddy list more than once.
• In group chats, on outgoing messages the sender name may have a different color than displayed in the list of chat participants.
• When sending an image with delayed acknowledgements, the image is not displayed locally.
• Sending out read receipts on group chats do not work util the list of participants has been loaded. This usually affects only the first message of a chat.
• Read receipts of messages sent to groups are displayed in the receivers' conversation – and only if the conversation is currently active.

Getting Started

See HOWTO.

Features

• Core features:

  • Receive messages
  • Send messages

• Additional features:

  • Emoji reactions are displayed
  • Stickers can be displayed if GDK headers were available at build-time and a GDK webp pixbuf loader is present in the system at run-time. Stickers are not animated.
  • It is possible to leave a Signal group by leaving the Pidgin chat (close the window) after removing it from the Pidgin buddy list.

• Additional features contributed by Hermann Kraus:

  • Receive files
  • Receive images
  • Send images
  • Receive buddy list from server

  Note: When signald is being run as a system service, downloaded files may not be accessible directly to the user. Do not forget to add yourself to the signald group.

• Additional features contributed by Torsten:

  • Link with the master device
  • Automatically start signald
    Note: For automatically starting signald as a child proces, signald needs to be in $PATH.
  • Group Avatars

• Additional features contributed by Brett Kosinski:

  • Fine-grained attachment handling (for bitlbee).

Missing Features

• signald configuration (i.e. initial number registration)
• Deleting buddies from the server
• Updating contact details
• Contact colors
• Expiring messages
• Support for old-style groups

Security Considerations

UUIDs are used for local file access. If someone manages to forge UUIDs, bypassing all checks in Signal and signald, the wrong local files might be accessed, but I do not see that happening realistically.