137 lines
3.8 KiB
Rust
137 lines
3.8 KiB
Rust
use actix_web::http::Method;
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use rsa::RsaPrivateKey;
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use crate::config::{Config, Instance};
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use crate::http_signatures::create::{create_http_signature, SignatureError};
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use crate::models::users::types::User;
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use crate::utils::crypto::deserialize_private_key;
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use super::activity::Activity;
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use super::actor::Actor;
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use super::constants::{ACTIVITY_CONTENT_TYPE, ACTOR_KEY_SUFFIX};
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use super::views::get_actor_url;
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#[derive(thiserror::Error, Debug)]
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pub enum DelivererError {
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#[error("key error")]
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KeyDeserializationError(#[from] rsa::pkcs8::Error),
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#[error(transparent)]
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SignatureError(#[from] SignatureError),
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#[error("activity serialization error")]
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SerializationError(#[from] serde_json::Error),
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#[error(transparent)]
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RequestError(#[from] reqwest::Error),
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#[error("http error {0:?}")]
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HttpError(reqwest::StatusCode),
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}
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async fn send_activity(
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instance: &Instance,
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actor_key: &RsaPrivateKey,
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actor_key_id: &str,
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activity_json: &str,
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inbox_url: &str,
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) -> Result<(), DelivererError> {
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let headers = create_http_signature(
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Method::POST,
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inbox_url,
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activity_json,
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actor_key,
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actor_key_id,
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)?;
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let client = reqwest::Client::new();
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let request = client.post(inbox_url)
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.header("Host", headers.host)
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.header("Date", headers.date)
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.header("Digest", headers.digest.unwrap())
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.header("Signature", headers.signature)
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.header(reqwest::header::CONTENT_TYPE, ACTIVITY_CONTENT_TYPE)
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.header(reqwest::header::USER_AGENT, instance.agent())
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.body(activity_json.to_owned());
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if instance.is_private {
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log::info!(
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"private mode: not sending activity to {}",
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inbox_url,
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);
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} else {
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// Default timeout is 30s
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let response = request.send().await?;
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let response_status = response.status();
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let response_text = response.text().await?;
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log::info!(
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"response from {}: {}",
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inbox_url,
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response_text,
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);
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if response_status.is_client_error() || response_status.is_server_error() {
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return Err(DelivererError::HttpError(response_status));
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};
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};
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Ok(())
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}
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async fn deliver_activity_worker(
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instance: Instance,
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sender: User,
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activity: Activity,
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recipients: Vec<Actor>,
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) -> Result<(), DelivererError> {
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let actor_key = deserialize_private_key(&sender.private_key)?;
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let actor_key_id = format!(
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"{}{}",
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get_actor_url(
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&instance.url(),
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&sender.profile.username,
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),
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ACTOR_KEY_SUFFIX,
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);
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let activity_json = serde_json::to_string(&activity)?;
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let mut inboxes: Vec<String> = recipients.into_iter()
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.map(|actor| actor.inbox)
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.collect();
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inboxes.sort();
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inboxes.dedup();
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log::info!("sending activity to {} inboxes: {}", inboxes.len(), activity_json);
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for inbox_url in inboxes {
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// TODO: retry on error
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if let Err(err) = send_activity(
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&instance,
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&actor_key,
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&actor_key_id,
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&activity_json,
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&inbox_url,
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).await {
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log::error!("failed to deliver activity to {}: {}", inbox_url, err);
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};
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};
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Ok(())
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}
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pub fn deliver_activity(
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config: &Config,
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sender: &User,
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activity: Activity,
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recipients: Vec<Actor>,
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) -> () {
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if recipients.is_empty() {
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return;
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};
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let instance = config.instance();
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let sender = sender.clone();
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actix_rt::spawn(async move {
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deliver_activity_worker(
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instance,
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sender,
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activity,
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recipients,
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).await.unwrap_or_else(|err| {
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log::error!("{}", err);
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});
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});
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}
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