From 278025c2e66753f9cc4712033922c8dd1fd0b305 Mon Sep 17 00:00:00 2001 From: sinavir Date: Tue, 30 Apr 2024 18:25:29 +0200 Subject: [PATCH] init --- .gitignore | 7 + Cargo.lock | 1433 ++++++++++++++++++++++++++++++++ Cargo.toml | 21 + LICENSE | 674 +++++++++++++++ README.md | 11 + launch-signal-cli.sh | 2 + npins/default.nix | 47 ++ npins/sources.json | 11 + shell.nix | 12 + src/jsonrpc.rs | 425 ++++++++++ src/main.rs | 155 ++++ src/transform.rs | 154 ++++ src/transports/ipc.rs | 40 + src/transports/mod.rs | 80 ++ src/transports/stream_codec.rs | 78 ++ 15 files changed, 3150 insertions(+) create mode 100644 .gitignore create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 LICENSE create mode 100644 README.md create mode 100644 launch-signal-cli.sh create mode 100644 npins/default.nix create mode 100644 npins/sources.json create mode 100644 shell.nix create mode 100644 src/jsonrpc.rs create mode 100644 src/main.rs create mode 100644 src/transform.rs create mode 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Interpretation of Sections 15 and 16. + + If the disclaimer of warranty and limitation of liability provided +above cannot be given local legal effect according to their terms, +reviewing courts shall apply local law that most closely approximates +an absolute waiver of all civil liability in connection with the +Program, unless a warranty or assumption of liability accompanies a +copy of the Program in return for a fee. + + END OF TERMS AND CONDITIONS + + How to Apply These Terms to Your New Programs + + If you develop a new program, and you want it to be of the greatest +possible use to the public, the best way to achieve this is to make it +free software which everyone can redistribute and change under these terms. + + To do so, attach the following notices to the program. It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..f2151ad --- /dev/null +++ b/README.md @@ -0,0 +1,11 @@ +# Bridge between irc and signal + +This program bridges togther one irc channel and one signal group (multiple channels is unsupported though it is easy to implement). + +It uses [signal-cli](https://github.com/AsamK/signal-cli/) for the signal protocol and [irc crate](https://crates.io/crates/irc) for the irc part. + +For the moment it does not support CTCP. + +# how to deploy + +TODO diff --git a/launch-signal-cli.sh b/launch-signal-cli.sh new file mode 100644 index 0000000..222cfdf --- /dev/null +++ b/launch-signal-cli.sh @@ -0,0 +1,2 @@ +#!/usr/bin/env bash +signal-cli --config ./.config/ daemon --socket ./socket --receive-mode=manual diff --git a/npins/default.nix b/npins/default.nix new file mode 100644 index 0000000..4a7c372 --- /dev/null +++ b/npins/default.nix @@ -0,0 +1,47 @@ +# Generated by npins. Do not modify; will be overwritten regularly +let + data = builtins.fromJSON (builtins.readFile ./sources.json); + version = data.version; + + mkSource = spec: + assert spec ? type; let + path = + if spec.type == "Git" then mkGitSource spec + else if spec.type == "GitRelease" then mkGitSource spec + else if spec.type == "PyPi" then mkPyPiSource spec + else if spec.type == "Channel" then mkChannelSource spec + else builtins.throw "Unknown source type ${spec.type}"; + in + spec // { outPath = path; }; + + mkGitSource = { repository, revision, url ? null, hash, ... }: + assert repository ? type; + # At the moment, either it is a plain git repository (which has an url), or it is a GitHub/GitLab repository + # In the latter case, there we will always be an url to the tarball + if url != null then + (builtins.fetchTarball { + inherit url; + sha256 = hash; # FIXME: check nix version & use SRI hashes + }) + else assert repository.type == "Git"; builtins.fetchGit { + url = repository.url; + rev = revision; + # hash = hash; + }; + + mkPyPiSource = { url, hash, ... }: + builtins.fetchurl { + inherit url; + sha256 = hash; + }; + + mkChannelSource = { url, hash, ... }: + builtins.fetchTarball { + inherit url; + sha256 = hash; + }; +in +if version == 3 then + builtins.mapAttrs (_: mkSource) data.pins +else + throw "Unsupported format version ${toString version} in sources.json. Try running `npins upgrade`" diff --git a/npins/sources.json b/npins/sources.json new file mode 100644 index 0000000..fafa086 --- /dev/null +++ b/npins/sources.json @@ -0,0 +1,11 @@ +{ + "pins": { + "nixpkgs": { + "type": "Channel", + "name": "nixpkgs-unstable", + "url": "https://releases.nixos.org/nixpkgs/nixpkgs-24.05pre615144.69ee1d82f1fa/nixexprs.tar.xz", + "hash": "181kd75xkvxv8f9845hvjac0d2ic65p1jvv1jv5ljyw1binc1ah7" + } + }, + "version": 3 +} \ No newline at end of file diff --git a/shell.nix b/shell.nix new file mode 100644 index 0000000..cf1fb84 --- /dev/null +++ b/shell.nix @@ -0,0 +1,12 @@ +{ pkgs ? import (import ./npins).nixpkgs { } }: +pkgs.mkShell { + buildInputs = [ + pkgs.cargo + pkgs.openssl + pkgs.pkg-config + pkgs.signal-cli + pkgs.rustc + pkgs.rust-analyzer + pkgs.rustfmt + ]; +} diff --git a/src/jsonrpc.rs b/src/jsonrpc.rs new file mode 100644 index 0000000..dede64e --- /dev/null +++ b/src/jsonrpc.rs @@ -0,0 +1,425 @@ +/* + * This work is adapted from signal-cli (https://github.com/AsamK/signal-cli/) + * Copyright (C) 2024 AsamK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . +*/ +use std::path::Path; + +use jsonrpsee::async_client::ClientBuilder; +use jsonrpsee::core::client::SubscriptionClientT; +use jsonrpsee::proc_macros::rpc; +use serde::Deserialize; +use serde_json::Value; + +#[rpc(client)] +pub trait Rpc { + #[method(name = "addDevice", param_kind = map)] + async fn add_device( + &self, + account: Option, + uri: String, + ) -> Result; + + #[method(name = "addStickerPack", param_kind = map)] + async fn add_sticker_pack( + &self, + account: Option, + uri: String, + ) -> Result; + + #[method(name = "block", param_kind = map)] + fn block( + &self, + account: Option, + recipients: Vec, + #[allow(non_snake_case)] groupIds: Vec, + ) -> Result; + + #[method(name = "deleteLocalAccountData", param_kind = map)] + fn delete_local_account_data( + &self, + account: Option, + #[allow(non_snake_case)] ignoreRegistered: Option, + ) -> Result; + + #[method(name = "getAttachment", param_kind = map)] + fn get_attachment( + &self, + account: Option, + id: String, + recipient: Option, + #[allow(non_snake_case)] groupId: Option, + ) -> Result; + + #[method(name = "getAvatar", param_kind = map)] + fn get_avatar( + &self, + account: Option, + contact: Option, + profile: Option, + #[allow(non_snake_case)] groupId: Option, + ) -> Result; + + #[method(name = "getSticker", param_kind = map)] + fn get_sticker( + &self, + account: Option, + #[allow(non_snake_case)] packId: String, + #[allow(non_snake_case)] stickerId: u32, + ) -> Result; + + #[method(name = "getUserStatus", param_kind = map)] + fn get_user_status( + &self, + account: Option, + recipients: Vec, + ) -> Result; + + #[method(name = "joinGroup", param_kind = map)] + fn join_group(&self, account: Option, uri: String) -> Result; + + #[allow(non_snake_case)] + #[method(name = "finishChangeNumber", param_kind = map)] + fn finish_change_number( + &self, + account: Option, + number: String, + verificationCode: String, + pin: Option, + ) -> Result; + + #[method(name = "finishLink", param_kind = map)] + fn finish_link( + &self, + #[allow(non_snake_case)] deviceLinkUri: String, + #[allow(non_snake_case)] deviceName: String, + ) -> Result; + + #[method(name = "listAccounts", param_kind = map)] + fn list_accounts(&self) -> Result; + + #[method(name = "listContacts", param_kind = map)] + fn list_contacts( + &self, + account: Option, + recipients: Vec, + #[allow(non_snake_case)] allRecipients: bool, + blocked: Option, + name: Option, + ) -> Result; + + #[method(name = "listDevices", param_kind = map)] + fn list_devices(&self, account: Option) -> Result; + + #[method(name = "listGroups", param_kind = map)] + fn list_groups( + &self, + account: Option, + #[allow(non_snake_case)] groupIds: Vec, + ) -> Result; + + #[method(name = "listIdentities", param_kind = map)] + fn list_identities( + &self, + account: Option, + number: Option, + ) -> Result; + + #[method(name = "listStickerPacks", param_kind = map)] + fn list_sticker_packs(&self, account: Option) -> Result; + + #[method(name = "quitGroup", param_kind = map)] + fn quit_group( + &self, + account: Option, + #[allow(non_snake_case)] groupId: String, + delete: bool, + admins: Vec, + ) -> Result; + + #[method(name = "register", param_kind = map)] + fn register( + &self, + account: Option, + voice: bool, + captcha: Option, + ) -> Result; + + #[method(name = "removeContact", param_kind = map)] + fn remove_contact( + &self, + account: Option, + recipient: String, + forget: bool, + hide: bool, + ) -> Result; + + #[method(name = "removeDevice", param_kind = map)] + fn remove_device( + &self, + account: Option, + #[allow(non_snake_case)] deviceId: u32, + ) -> Result; + + #[method(name = "removePin", param_kind = map)] + fn remove_pin(&self, account: Option) -> Result; + + #[method(name = "remoteDelete", param_kind = map)] + fn remote_delete( + &self, + account: Option, + #[allow(non_snake_case)] targetTimestamp: u64, + recipients: Vec, + #[allow(non_snake_case)] groupIds: Vec, + #[allow(non_snake_case)] noteToSelf: bool, + ) -> Result; + + #[allow(non_snake_case)] + #[method(name = "send", param_kind = map)] + fn send( + &self, + account: Option, + recipients: Vec, + groupIds: Vec, + noteToSelf: bool, + endSession: bool, + message: String, + attachments: Vec, + mentions: Vec, + textStyle: Vec, + quoteTimestamp: Option, + quoteAuthor: Option, + quoteMessage: Option, + quoteMention: Vec, + quoteTextStyle: Vec, + quoteAttachment: Vec, + preview_url: Option, + preview_title: Option, + preview_description: Option, + preview_image: Option, + sticker: Option, + storyTimestamp: Option, + storyAuthor: Option, + editTimestamp: Option, + ) -> Result; + + #[method(name = "sendContacts", param_kind = map)] + fn send_contacts(&self, account: Option) -> Result; + + #[method(name = "sendPaymentNotification", param_kind = map)] + fn send_payment_notification( + &self, + account: Option, + recipient: String, + receipt: String, + note: String, + ) -> Result; + + #[method(name = "sendReaction", param_kind = map)] + fn send_reaction( + &self, + account: Option, + recipients: Vec, + #[allow(non_snake_case)] groupIds: Vec, + #[allow(non_snake_case)] noteToSelf: bool, + emoji: String, + #[allow(non_snake_case)] targetAuthor: String, + #[allow(non_snake_case)] targetTimestamp: u64, + remove: bool, + story: bool, + ) -> Result; + + #[method(name = "sendReceipt", param_kind = map)] + fn send_receipt( + &self, + account: Option, + recipient: String, + #[allow(non_snake_case)] targetTimestamps: Vec, + r#type: String, + ) -> Result; + + #[method(name = "sendSyncRequest", param_kind = map)] + fn send_sync_request(&self, account: Option) -> Result; + + #[method(name = "sendTyping", param_kind = map)] + fn send_typing( + &self, + account: Option, + recipients: Vec, + #[allow(non_snake_case)] groupIds: Vec, + stop: bool, + ) -> Result; + + #[method(name = "sendMessageRequestResponse", param_kind = map)] + fn send_message_request_response( + &self, + account: Option, + recipients: Vec, + #[allow(non_snake_case)] groupIds: Vec, + r#type: String, + ) -> Result; + + #[method(name = "setPin", param_kind = map)] + fn set_pin(&self, account: Option, pin: String) -> Result; + + #[method(name = "submitRateLimitChallenge", param_kind = map)] + fn submit_rate_limit_challenge( + &self, + account: Option, + challenge: String, + captcha: String, + ) -> Result; + + #[method(name = "startChangeNumber", param_kind = map)] + fn start_change_number( + &self, + account: Option, + number: String, + voice: bool, + captcha: Option, + ) -> Result; + + #[method(name = "startLink", param_kind = map)] + fn start_link(&self, account: Option) -> Result; + + #[method(name = "trust", param_kind = map)] + fn trust( + &self, + account: Option, + recipient: String, + #[allow(non_snake_case)] trustAllKnownKeys: bool, + #[allow(non_snake_case)] verifiedSafetyNumber: Option, + ) -> Result; + + #[method(name = "unblock", param_kind = map)] + fn unblock( + &self, + account: Option, + recipients: Vec, + #[allow(non_snake_case)] groupIds: Vec, + ) -> Result; + + #[method(name = "unregister", param_kind = map)] + fn unregister( + &self, + account: Option, + #[allow(non_snake_case)] deleteAccount: bool, + ) -> Result; + + #[allow(non_snake_case)] + #[method(name = "updateAccount", param_kind = map)] + fn update_account( + &self, + account: Option, + deviceName: Option, + unrestrictedUnidentifiedSender: Option, + discoverableByNumber: Option, + numberSharing: Option, + ) -> Result; + + #[method(name = "updateConfiguration", param_kind = map)] + fn update_configuration( + &self, + account: Option, + #[allow(non_snake_case)] readReceipts: Option, + #[allow(non_snake_case)] unidentifiedDeliveryIndicators: Option, + #[allow(non_snake_case)] typingIndicators: Option, + #[allow(non_snake_case)] linkPreviews: Option, + ) -> Result; + + #[method(name = "updateContact", param_kind = map)] + fn update_contact( + &self, + account: Option, + recipient: String, + name: Option, + expiration: Option, + ) -> Result; + + #[method(name = "updateGroup", param_kind = map)] + fn update_group( + &self, + account: Option, + #[allow(non_snake_case)] groupId: Option, + name: Option, + description: Option, + avatar: Option, + member: Vec, + #[allow(non_snake_case)] removeMember: Vec, + admin: Vec, + #[allow(non_snake_case)] removeAdmin: Vec, + ban: Vec, + unban: Vec, + #[allow(non_snake_case)] resetLink: bool, + #[allow(non_snake_case)] link: Option, + #[allow(non_snake_case)] setPermissionAddMember: Option, + #[allow(non_snake_case)] setPermissionEditDetails: Option, + #[allow(non_snake_case)] setPermissionSendMessages: Option, + expiration: Option, + ) -> Result; + + #[method(name = "updateProfile", param_kind = map)] + fn update_profile( + &self, + account: Option, + #[allow(non_snake_case)] givenName: Option, + #[allow(non_snake_case)] familyName: Option, + about: Option, + #[allow(non_snake_case)] aboutEmoji: Option, + #[allow(non_snake_case)] mobileCoinAddress: Option, + avatar: Option, + #[allow(non_snake_case)] removeAvatar: bool, + ) -> Result; + + #[method(name = "uploadStickerPack", param_kind = map)] + fn upload_sticker_pack( + &self, + account: Option, + path: String, + ) -> Result; + + #[method(name = "verify", param_kind = map)] + fn verify( + &self, + account: Option, + #[allow(non_snake_case)] verificationCode: String, + pin: Option, + ) -> Result; + + #[subscription( + name = "subscribeReceive" => "receive", + unsubscribe = "unsubscribeReceive", + item = Value, + param_kind = map + )] + async fn subscribe_receive(&self, account: Option) -> SubscriptionResult; + + #[method(name = "version")] + fn version(&self) -> Result; +} + +#[derive(Deserialize)] +#[serde(rename_all = "camelCase")] +pub struct JsonLink { + pub device_link_uri: String, +} + +pub async fn connect_unix( + socket_path: impl AsRef, +) -> Result { + let (sender, receiver) = super::transports::ipc::connect(socket_path).await?; + + Ok(ClientBuilder::default().build_with_tokio(sender, receiver)) +} diff --git a/src/main.rs b/src/main.rs new file mode 100644 index 0000000..479c3ee --- /dev/null +++ b/src/main.rs @@ -0,0 +1,155 @@ +mod jsonrpc; +mod transform; +mod transports; +use crate::jsonrpc::RpcClient; +use irc::client::ClientStream; +use jsonrpsee::core::client::SubscriptionClientT; +use log; +use serde_json::Value; +use std::path::Path; +use transform::Bridge; + +use jsonrpsee::core::client::Subscription; +use pretty_env_logger; + +use futures::future::try_join; +use futures::prelude::*; +use irc::client::prelude::*; + +const CHANNEL: &str = "#hackens-signal"; +const MEDIA_DIR: &str = "./www"; +const SIGNALCLI_DIR: &str = "./.config"; +const SOCKET: &str = "./socket"; +const URL_ROOT: &str = "https://hackens.org/irc-bridge/"; + +#[tokio::main] +async fn main() -> Result<(), String> { + pretty_env_logger::init(); + log::info!("Starting..."); + // TODO: load config at runtime and add consts inside + let config = Config { + nickname: Some("bottest".to_owned()), + server: Some("ulminfo.fr".to_owned()), + channels: vec![CHANNEL.to_owned()], + use_tls: Some(true), + ..Config::default() + }; + + // Initialisation of components. TODO separate module + let init_irc = async { + let mut client = Client::from_config(config).await.unwrap(); + client.identify().unwrap(); + + let sender = client.sender(); + let mut stream = client.stream().unwrap(); + + log::debug!("Initializing IRC"); + while client.list_channels().is_some_and(|x| x.len() == 0) { + stream + .next() + .await + .transpose() + .map_err(|e| format!("error waiting for motd: {e}"))?; + } + log::debug!("Initialized IRC"); + Ok::<(irc::client::Sender, ClientStream), String>((sender, stream)) + }; + let init_signal = async { + log::debug!("Initializing Signal"); + + let signal_client = jsonrpc::connect_unix(SOCKET) + .await + .map_err(|e| format!("failed to connect to signal socket: {e}"))?; + let signal_stream = signal_client.subscribe_receive(None).await.unwrap(); + log::debug!("Initialized Signal"); + Ok((signal_stream, signal_client)) + }; + let ((sender, mut stream), (mut signal_stream, signal_client)) = + try_join(init_irc, init_signal).await?; + let bridge = Bridge::new( + &Path::new(MEDIA_DIR), + &Path::new(SIGNALCLI_DIR), + URL_ROOT, + GROUPID, + ); + + // Run !! + log::info!("Bridge is up and running"); + + try_join( + handle_signal(sender, &mut signal_stream, &bridge), + handle_irc(&mut stream, signal_client, &bridge), + ) + .await?; + unreachable!(); +} + +async fn handle_irc( + stream: &mut ClientStream, + signal_client: impl SubscriptionClientT + std::marker::Sync, + bridge: &Bridge<'_>, +) -> Result<(), String> { + loop { + if let Some(message) = stream + .next() + .await + .transpose() + .map_err(|e| format!("error while retrieving messages from irc: {e}"))? + { + if let Some(msg) = bridge.irc2signal(message) { + log::trace!("[SIGNAL SEND] {msg}"); + signal_client + .send( + None, + vec![], + vec![String::from(GROUPID)], + false, + false, + msg, + vec![], + vec![], + vec![], + None, + None, + None, + vec![], + vec![], + vec![], + None, + None, + None, + None, + None, + None, + None, + None, + ) + .await + .map_err(|e| format!("error while sending to signal: {e}"))?; + } + } + } +} + +async fn handle_signal( + sender: Sender, + stream: &mut Subscription, + bridge: &Bridge<'_>, +) -> Result<(), String> { + loop { + match stream.next().await { + None => { + return Err(String::from("signal-cli stream terminated")); + } + Some(Ok(val)) => { + log::trace!("[SIGNAL RCV] {:?}", val); + if let Some(msg) = bridge.signal2irc(val).await { + sender + .send_privmsg(CHANNEL, msg) + .map_err(|e| format!("error while sending to irc: {e}"))?; + } + } + Some(Err(err)) => return Err(format!("error while retrieving messages from signal: {err}")), + } + } +} diff --git a/src/transform.rs b/src/transform.rs new file mode 100644 index 0000000..08cc267 --- /dev/null +++ b/src/transform.rs @@ -0,0 +1,154 @@ +use irc::client::prelude::*; +use serde_json::Map; +use serde_json::Value; +use std::path::Path; +use tokio::fs::copy; + +#[derive(Default)] +struct SignalMessageBuilder { + from: Option, + message: Option, + attachments_urls: Vec, + valid: bool, +} + +impl SignalMessageBuilder { + pub fn message(self: &mut Self, message: String) { + self.message = Some(message); + } + + pub fn from(self: &mut Self, from: String) { + self.from = Some(from); + } + + pub fn attach(self: &mut Self, attach: Vec) { + self.attachments_urls.extend_from_slice(&attach); + } + + pub fn valid(self: &mut Self, v: bool) { + self.valid = v; + } + + pub fn build(self: &Self) -> Option { + if !self.valid { + return None; + } + let attachments_text = self.attachments_urls.join(", "); + match (&self.message, attachments_text.len()) { + (None, 0) => None, + (None, _) => self + .from + .as_ref() + .map(|from| format!("<{from}>: {attachments_text}")), + (Some(m), 0) => self.from.as_ref().map(|from| format!("<{from}>: {m}")), + (Some(m), _) => self + .from + .as_ref() + .map(|from| format!("<{from}>: {m} ({attachments_text})")), + } + } +} + +pub struct Bridge<'a> { + media_dir: &'a Path, + signalcli_dir: &'a Path, + url_root: &'a str, + groupid: &'a str, +} + +impl<'a> Bridge<'a> { + pub fn new( + media_dir: &'a Path, + signalcli_dir: &'a Path, + url_root: &'a str, + groupid: &'a str, + ) -> Self { + Self { + media_dir, + signalcli_dir, + url_root, + groupid, + } + } + + async fn handle_attachment(self: &Self, attachment: &Value) -> Option { + if let Value::Object(a) = attachment { + if let Some(Value::String(fname)) = a.get("id") { + match copy( + self.signalcli_dir.join("attachments").join(fname), + self.media_dir.join(fname), + ) + .await + { + Err(e) => { + log::error!("dropped attachment because of {e}"); + return None; + } + _ => { + let url_root = self.url_root; + return Some(url_root.to_owned() + fname); + } + } + } + } + None + } + + async fn process_signal( + self: &Self, + message: &Map, + result: &mut SignalMessageBuilder, + ) { + if let Some(Value::Array(attachments)) = message.get("attachments") { + let mut attachments_urls = Vec::with_capacity(attachments.len()); + for a in attachments.iter() { + if let Some(url) = self.handle_attachment(a).await { + attachments_urls.push(url); + } else { + log::warn!("droped attachment: {a}"); + } + } + result.attach(attachments_urls); + }; + if let Some(Value::String(text)) = message.get("message") { + result.message(text.clone()); + } + if let Some(Value::Object(group_info)) = message.get("groupInfo") { + if let Some(Value::String(groupid)) = group_info.get("groupId") { + result.valid(groupid == self.groupid); + } + } + } + + pub async fn signal2irc(self: &Self, signal: Value) -> Option { + let mut result: SignalMessageBuilder = SignalMessageBuilder::default(); + if let Value::Object(map) = signal { + if let Some(Value::Object(envelope)) = map.get("envelope") { + if let Some(Value::String(from)) = envelope.get("sourceName") { + result.from(from.to_owned()); + } + if let Some(Value::Object(message)) = envelope.get("dataMessage") { + self.process_signal(message, &mut result).await; + } + if let Some(Value::Object(m)) = envelope.get("syncMessage") { + if let Some(Value::Object(message)) = m.get("sentMessage") { + self.process_signal(message, &mut result).await; + } + } + } + } + result.build() + } + + pub fn irc2signal(self: &Self, message: Message) -> Option { + match (message.prefix, message.command) { + (Some(Prefix::Nickname(from, _, _)), Command::PRIVMSG(_, message)) => { + return Some(format!("<{from}>: {message}")) + } + (Some(Prefix::Nickname(from, _, _)), Command::NOTICE(_, message)) => { + return Some(format!("📜 {from} {message}")) + } + _ => return None, + } + } +} diff --git a/src/transports/ipc.rs b/src/transports/ipc.rs new file mode 100644 index 0000000..a19cbc1 --- /dev/null +++ b/src/transports/ipc.rs @@ -0,0 +1,40 @@ +/* + * This work is adapted from signal-cli (https://github.com/AsamK/signal-cli/) + * Copyright (C) 2024 AsamK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . +*/ +use std::io::Error; +use std::path::Path; + +use futures_util::stream::StreamExt; +use jsonrpsee::core::client::{TransportReceiverT, TransportSenderT}; +use tokio::net::UnixStream; +use tokio_util::codec::Decoder; + +use super::stream_codec::StreamCodec; +use super::{Receiver, Sender}; + +/// Connect to a JSON-RPC Unix Socket server. +pub async fn connect( + socket: impl AsRef, +) -> Result<(impl TransportSenderT + Send, impl TransportReceiverT + Send), Error> { + let connection = UnixStream::connect(socket).await?; + let (sink, stream) = StreamCodec::stream_incoming().framed(connection).split(); + + let sender = Sender { inner: sink }; + let receiver = Receiver { inner: stream }; + + Ok((sender, receiver)) +} diff --git a/src/transports/mod.rs b/src/transports/mod.rs new file mode 100644 index 0000000..f2a5a32 --- /dev/null +++ b/src/transports/mod.rs @@ -0,0 +1,80 @@ +/* + * This work is adapted from signal-cli (https://github.com/AsamK/signal-cli/) + * Copyright (C) 2024 AsamK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . +*/ +use futures_util::{stream::StreamExt, Sink, SinkExt, Stream}; +use jsonrpsee::core::{ + async_trait, + client::{ReceivedMessage, TransportReceiverT, TransportSenderT}, +}; +use thiserror::Error; + +pub mod ipc; +mod stream_codec; + +#[derive(Debug, Error)] +enum Errors { + #[error("Other: {0}")] + Other(String), + #[error("Closed")] + Closed, +} + +struct Sender> { + inner: T, +} + +#[async_trait] +impl + Unpin + 'static> TransportSenderT + for Sender +{ + type Error = Errors; + + async fn send(&mut self, body: String) -> Result<(), Self::Error> { + self.inner + .send(body) + .await + .map_err(|e| Errors::Other(format!("{:?}", e)))?; + Ok(()) + } + + async fn close(&mut self) -> Result<(), Self::Error> { + self.inner + .close() + .await + .map_err(|e| Errors::Other(format!("{:?}", e)))?; + Ok(()) + } +} + +struct Receiver { + inner: T, +} + +#[async_trait] +impl> + Unpin + 'static> TransportReceiverT + for Receiver +{ + type Error = Errors; + + async fn receive(&mut self) -> Result { + match self.inner.next().await { + None => Err(Errors::Closed), + Some(Ok(msg)) => Ok(ReceivedMessage::Text(msg)), + Some(Err(e)) => Err(Errors::Other(format!("{:?}", e))), + } + } +} diff --git a/src/transports/stream_codec.rs b/src/transports/stream_codec.rs new file mode 100644 index 0000000..2c445bb --- /dev/null +++ b/src/transports/stream_codec.rs @@ -0,0 +1,78 @@ +/* + * This work is adapted from signal-cli (https://github.com/AsamK/signal-cli/) + * Copyright (C) 2024 AsamK + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . +*/ +use bytes::BytesMut; +use std::{io, str}; +use tokio_util::codec::{Decoder, Encoder}; + +type Separator = u8; + +/// Stream codec for streaming protocols (ipc, tcp) +#[derive(Debug, Default)] +pub struct StreamCodec { + incoming_separator: Separator, + outgoing_separator: Separator, +} + +impl StreamCodec { + /// Default codec with streaming input data. Input can be both enveloped and not. + pub fn stream_incoming() -> Self { + StreamCodec::new(b'\n', b'\n') + } + + /// New custom stream codec + pub fn new(incoming_separator: Separator, outgoing_separator: Separator) -> Self { + StreamCodec { + incoming_separator, + outgoing_separator, + } + } +} + +impl Decoder for StreamCodec { + type Item = String; + type Error = io::Error; + + fn decode(&mut self, buf: &mut BytesMut) -> io::Result> { + if let Some(i) = buf + .as_ref() + .iter() + .position(|&b| b == self.incoming_separator) + { + let line = buf.split_to(i); + let _ = buf.split_to(1); + + match str::from_utf8(line.as_ref()) { + Ok(s) => Ok(Some(s.to_string())), + Err(_) => Err(io::Error::new(io::ErrorKind::Other, "invalid UTF-8")), + } + } else { + Ok(None) + } + } +} + +impl Encoder for StreamCodec { + type Error = io::Error; + + fn encode(&mut self, msg: String, buf: &mut BytesMut) -> io::Result<()> { + let mut payload = msg.into_bytes(); + payload.push(self.outgoing_separator); + buf.extend_from_slice(&payload); + Ok(()) + } +}