teascade/miniflux-discord
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finishing touches, for real this time

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This commit is contained in:
Sofia 2024-03-16 18:18:30 +02:00
parent a1c1bc5809
commit 7de2d876ff
3 changed files with 127 additions and 37 deletions
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50
Cargo.lock generated
View File

@ -292,6 +292,27 @@ dependencies = [
"crypto-common",
]
[[package]]
name = "dirs"
version = "5.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "44c45a9d03d6676652bcb5e724c7e988de1acad23a711b5217ab9cbecbec2225"
dependencies = [
"dirs-sys",
]
[[package]]
name = "dirs-sys"
version = "0.4.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "520f05a5cbd335fae5a99ff7a6ab8627577660ee5cfd6a94a6a929b52ff0321c"
dependencies = [
"libc",
"option-ext",
"redox_users",
"windows-sys 0.48.0",
]
[[package]]
name = "encoding_rs"
version = "0.8.33"
@ -755,6 +776,17 @@ version = "0.2.153"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9c198f91728a82281a64e1f4f9eeb25d82cb32a5de251c6bd1b5154d63a8e7bd"
[[package]]
name = "libredox"
version = "0.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "85c833ca1e66078851dba29046874e38f08b2c883700aa29a03ddd3b23814ee8"
dependencies = [
"bitflags 2.4.2",
"libc",
"redox_syscall",
]
[[package]]
name = "linux-raw-sys"
version = "0.4.13"
@ -823,6 +855,7 @@ version = "0.1.0"
dependencies = [
"chrono",
"data-encoding",
"dirs",
"http-body-util",
"hyper 1.2.0",
"hyper-util",
@ -896,6 +929,12 @@ version = "1.19.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
[[package]]
name = "option-ext"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
[[package]]
name = "parking_lot"
version = "0.12.1"
@ -1017,6 +1056,17 @@ dependencies = [
"bitflags 1.3.2",
]
[[package]]
name = "redox_users"
version = "0.4.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a18479200779601e498ada4e8c1e1f50e3ee19deb0259c25825a98b5603b2cb4"
dependencies = [
"getrandom",
"libredox",
"thiserror",
]
[[package]]
name = "reqwest"
version = "0.11.26"

1
Cargo.toml
View File

@ -19,3 +19,4 @@ data-encoding = "2.5"
stderrlog = "0.6.0"
log = { version = "0.4.21", features = ["serde"] }
thiserror = "1.0.37"
dirs = "5.0"

111
src/main.rs
View File

@ -1,4 +1,4 @@
use std::{convert::Infallible, fs, net::SocketAddr};
use std::{convert::Infallible, fs, net::SocketAddr, path::PathBuf};
use config::Config;
use http_body_util::{BodyExt, Full};
@ -21,23 +21,48 @@ mod config;
mod discord;
mod miniflux_requests;
//FIXME!
const CONFIG_PATH: &'static str = "./config.json";
#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
let config: Config = serde_json::from_slice(&fs::read(CONFIG_PATH).unwrap()).unwrap();
let path_opt = {
let default_path = dirs::config_dir().map(|p| p.join("miniflux_discord.json"));
let path = std::env::var("CONFIG_PATH").ok().map(|s| PathBuf::from(s)).or(default_path);
path
};
let path = match path_opt {
Some(p) => p,
None => panic!("config path could not be resolved! Use CONFIG_PATH environment variable"),
};
let res: Result<_, StartingError> = fs::read(path)
.map_err(|e| e.into())
.and_then(|s| serde_json::from_slice(&s).map_err(|e| e.into()));
let config: Config = match res {
Ok(c) => c,
Err(e) => panic!("{}", e),
};
stderrlog::new()
.module(module_path!())
.verbosity(config.log_level)
.timestamp(stderrlog::Timestamp::Second)
.init()
.unwrap();
.expect("stderrlog could not be initialized!");
let mut client = Client::builder(&config.discord_token, GatewayIntents::empty())
.await
.expect("Error creating Discord client");
dbg!("hello?");
match start_serving(config).await {
Ok(_) => Ok(()),
Err(e) => {
log::error!("{}", e);
Ok(())
}
}
}
async fn start_serving(config: Config) -> Result<(), StartingError> {
dbg!("hello?");
let mut client = Client::builder(&config.discord_token, GatewayIntents::empty()).await?;
let addr = SocketAddr::from((config.host, config.port));
let listener = TcpListener::bind(addr).await?;
@ -92,33 +117,47 @@ async fn main() -> Result<(), Box<dyn std::error::Error + Send + Sync>> {
Ok(())
}
#[derive(Error, Debug)]
pub enum StartingError {
#[error("configuration file path not found!")]
ConfigPathNotFound,
#[error("IO Error: {0}")]
IOError(#[from] std::io::Error),
#[error("Config Json deserialization error: {0}")]
ConfigJsonError(#[from] serde_json::Error),
#[error("Logger init failed: {0}")]
LoggerError(#[from] log::SetLoggerError),
#[error("Discord Client Error: {0}")]
DiscordClientError(#[from] serenity::Error),
}
async fn process_webhook(
req: Request<body::Incoming>,
holder: &DiscordHolder,
) -> Result<Response<Full<Bytes>>, CustomError> {
) -> Result<Response<Full<Bytes>>, ServingError> {
let method = req.method();
if method != Method::POST {
Err(CustomError::InvalidMethod(method.clone()))?;
Err(ServingError::InvalidMethod(method.clone()))?;
}
let userid: u64 =
req.uri().path().split("/").nth(1).ok_or(CustomError::IdPathNotFound)?.parse()?;
req.uri().path().split("/").nth(1).ok_or(ServingError::IdPathNotFound)?.parse()?;
if !holder.config.whitelisted_user_ids.contains(&userid) {
Err(CustomError::NotWhitelistedUser(userid))?;
Err(ServingError::NotWhitelistedUser(userid))?;
}
let headers = req.headers();
let signature_bytes =
headers.get("x-miniflux-signature").ok_or(CustomError::SignatureMissing)?.as_bytes();
headers.get("x-miniflux-signature").ok_or(ServingError::SignatureMissing)?.as_bytes();
let signature = data_encoding::HEXLOWER.decode(signature_bytes)?;
let event_type =
headers.get("x-miniflux-event-type").ok_or(CustomError::EventTypeMissing)?.clone();
headers.get("x-miniflux-event-type").ok_or(ServingError::EventTypeMissing)?.clone();
let upper = req.body().size_hint().upper().unwrap_or(u64::MAX);
if upper > holder.config.payload_max_size {
Err(CustomError::PayloadTooLarge(upper))?;
Err(ServingError::PayloadTooLarge(upper))?;
}
let whole_body = req.collect().await?.to_bytes();
@ -127,7 +166,7 @@ async fn process_webhook(
let key = hmac::Key::new(hmac::HMAC_SHA256, &holder.config.miniflux_webhook_secret.as_bytes());
let () =
hmac::verify(&key, &bytes, &signature).map_err(|_| CustomError::HmacValidationError)?;
hmac::verify(&key, &bytes, &signature).map_err(|_| ServingError::HmacValidationError)?;
let event: MinifluxEvent = serde_json::from_slice(&bytes)?;
match event {
@ -146,7 +185,7 @@ async fn process_webhook(
}
#[derive(Error, Debug)]
pub enum CustomError {
pub enum ServingError {
#[error("id path not found")]
IdPathNotFound,
#[error("invalid method: {0}")]
@ -171,31 +210,31 @@ pub enum CustomError {
JsonError(#[from] serde_json::Error),
}
impl Into<Response<Full<Bytes>>> for CustomError {
impl Into<Response<Full<Bytes>>> for ServingError {
fn into(self) -> Response<Full<Bytes>> {
match &self {
CustomError::JsonError(_) => log::error!("{}", self),
CustomError::HmacValidationError => log::warn!("{}", self),
CustomError::HyperError(_) => log::warn!("{}", self),
CustomError::PayloadTooLarge(_) => log::warn!("{}", self),
CustomError::SignatureMissing => log::warn!("{}", self),
CustomError::EventTypeMissing => log::warn!("{}", self),
ServingError::JsonError(_) => log::error!("{}", self),
ServingError::HmacValidationError => log::warn!("{}", self),
ServingError::HyperError(_) => log::warn!("{}", self),
ServingError::PayloadTooLarge(_) => log::warn!("{}", self),
ServingError::SignatureMissing => log::warn!("{}", self),
ServingError::EventTypeMissing => log::warn!("{}", self),
_ => log::debug!("{}", self),
}
let mut resp = Response::new(Full::from(Bytes::from(self.to_string())));
let status_code = match self {
CustomError::IdPathNotFound => StatusCode::NOT_FOUND,
CustomError::InvalidMethod(_) => StatusCode::METHOD_NOT_ALLOWED,
CustomError::ParseIntError(_) => StatusCode::BAD_REQUEST,
CustomError::NotWhitelistedUser(_) => StatusCode::FORBIDDEN,
CustomError::SignatureMissing => StatusCode::BAD_REQUEST,
CustomError::EventTypeMissing => StatusCode::BAD_REQUEST,
CustomError::DecodeError(_) => StatusCode::BAD_REQUEST,
CustomError::PayloadTooLarge(_) => StatusCode::PAYLOAD_TOO_LARGE,
CustomError::HyperError(_) => StatusCode::INTERNAL_SERVER_ERROR,
CustomError::HmacValidationError => StatusCode::FORBIDDEN,
CustomError::JsonError(_) => StatusCode::BAD_REQUEST,
ServingError::IdPathNotFound => StatusCode::NOT_FOUND,
ServingError::InvalidMethod(_) => StatusCode::METHOD_NOT_ALLOWED,
ServingError::ParseIntError(_) => StatusCode::BAD_REQUEST,
ServingError::NotWhitelistedUser(_) => StatusCode::FORBIDDEN,
ServingError::SignatureMissing => StatusCode::BAD_REQUEST,
ServingError::EventTypeMissing => StatusCode::BAD_REQUEST,
ServingError::DecodeError(_) => StatusCode::BAD_REQUEST,
ServingError::PayloadTooLarge(_) => StatusCode::PAYLOAD_TOO_LARGE,
ServingError::HyperError(_) => StatusCode::INTERNAL_SERVER_ERROR,
ServingError::HmacValidationError => StatusCode::FORBIDDEN,
ServingError::JsonError(_) => StatusCode::BAD_REQUEST,
};
*resp.status_mut() = status_code;