mirror of
https://github.com/LemmyNet/lemmy.git
synced 2024-06-01 00:28:05 +00:00
a074564458
* Asyncify more * I guess these changed * Clean PR a bit * Convert more away from failure error * config changes for testing federation * It was DNS So actix-web's client relies on TRust DNS Resolver to figure out where to send data, but TRust DNS Resolver seems to not play nice with docker, which expressed itself as not resolving the name to an IP address _the first time_ when making a request. The fix was literally to make the request again (which I limited to 3 times total, and not exceeding the request timeout in total) * Only retry for connecterror Since TRust DNS Resolver was causing ConnectError::Timeout, this change limits the retry to only this error, returning immediately for any other error * Use http sig norm 0.4.0-alpha for actix-web 3.0 support * Blocking function, retry http requests * cargo +nightly fmt * Only create one pictrs dir * Don't yarn build * cargo +nightly fmt
375 lines
8.6 KiB
Rust
375 lines
8.6 KiB
Rust
pub mod activities;
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pub mod comment;
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pub mod community;
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pub mod community_inbox;
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pub mod extensions;
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pub mod fetcher;
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pub mod post;
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pub mod private_message;
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pub mod shared_inbox;
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pub mod user;
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pub mod user_inbox;
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use crate::{
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apub::extensions::{
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group_extensions::GroupExtension,
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page_extension::PageExtension,
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signatures::{PublicKey, PublicKeyExtension},
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},
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convert_datetime,
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db::user::User_,
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request::{retry, RecvError},
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routes::webfinger::WebFingerResponse,
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DbPool,
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LemmyError,
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MentionData,
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Settings,
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};
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use activitystreams::{
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actor::{properties::ApActorProperties, Group, Person},
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object::Page,
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};
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use activitystreams_ext::{Ext1, Ext2, Ext3};
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use activitystreams_new::{activity::Follow, object::Tombstone, prelude::*};
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use actix_web::{body::Body, client::Client, HttpResponse};
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use chrono::NaiveDateTime;
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use log::debug;
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use serde::Serialize;
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use url::Url;
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type GroupExt = Ext3<Group, GroupExtension, ApActorProperties, PublicKeyExtension>;
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type PersonExt = Ext2<Person, ApActorProperties, PublicKeyExtension>;
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type PageExt = Ext1<Page, PageExtension>;
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pub static APUB_JSON_CONTENT_TYPE: &str = "application/activity+json";
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pub enum EndpointType {
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Community,
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User,
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Post,
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Comment,
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PrivateMessage,
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}
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/// Convert the data to json and turn it into an HTTP Response with the correct ActivityPub
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/// headers.
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fn create_apub_response<T>(data: &T) -> HttpResponse<Body>
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where
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T: Serialize,
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{
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HttpResponse::Ok()
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.content_type(APUB_JSON_CONTENT_TYPE)
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.json(data)
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}
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fn create_apub_tombstone_response<T>(data: &T) -> HttpResponse<Body>
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where
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T: Serialize,
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{
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HttpResponse::Gone()
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.content_type(APUB_JSON_CONTENT_TYPE)
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.json(data)
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}
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/// Generates the ActivityPub ID for a given object type and ID.
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pub fn make_apub_endpoint(endpoint_type: EndpointType, name: &str) -> Url {
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let point = match endpoint_type {
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EndpointType::Community => "c",
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EndpointType::User => "u",
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EndpointType::Post => "post",
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EndpointType::Comment => "comment",
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EndpointType::PrivateMessage => "private_message",
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};
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Url::parse(&format!(
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"{}://{}/{}/{}",
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get_apub_protocol_string(),
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Settings::get().hostname,
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point,
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name
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))
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.unwrap()
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}
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pub fn get_apub_protocol_string() -> &'static str {
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if Settings::get().federation.tls_enabled {
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"https"
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} else {
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"http"
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}
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}
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// Checks if the ID has a valid format, correct scheme, and is in the allowed instance list.
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fn is_apub_id_valid(apub_id: &Url) -> bool {
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debug!("Checking {}", apub_id);
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if apub_id.scheme() != get_apub_protocol_string() {
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debug!("invalid scheme: {:?}", apub_id.scheme());
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return false;
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}
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let allowed_instances: Vec<String> = Settings::get()
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.federation
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.allowed_instances
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.split(',')
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.map(|d| d.to_string())
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.collect();
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match apub_id.domain() {
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Some(d) => {
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let contains = allowed_instances.contains(&d.to_owned());
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if !contains {
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debug!("{} not in {:?}", d, allowed_instances);
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}
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contains
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}
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None => {
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debug!("missing domain");
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false
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}
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}
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}
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#[async_trait::async_trait(?Send)]
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pub trait ToApub {
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type Response;
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async fn to_apub(&self, pool: &DbPool) -> Result<Self::Response, LemmyError>;
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fn to_tombstone(&self) -> Result<Tombstone, LemmyError>;
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}
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/// Updated is actually the deletion time
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fn create_tombstone(
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deleted: bool,
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object_id: &str,
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updated: Option<NaiveDateTime>,
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former_type: String,
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) -> Result<Tombstone, LemmyError> {
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if deleted {
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if let Some(updated) = updated {
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let mut tombstone = Tombstone::new();
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tombstone.set_id(object_id.parse()?);
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tombstone.set_former_type(former_type);
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tombstone.set_deleted(convert_datetime(updated).into());
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Ok(tombstone)
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} else {
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Err(format_err!("Cant convert to tombstone because updated time was None.").into())
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}
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} else {
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Err(format_err!("Cant convert object to tombstone if it wasnt deleted").into())
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}
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}
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#[async_trait::async_trait(?Send)]
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pub trait FromApub {
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type ApubType;
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async fn from_apub(
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apub: &Self::ApubType,
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client: &Client,
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pool: &DbPool,
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) -> Result<Self, LemmyError>
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where
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Self: Sized;
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}
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#[async_trait::async_trait(?Send)]
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pub trait ApubObjectType {
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async fn send_create(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_update(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_delete(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_undo_delete(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_remove(
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&self,
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mod_: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_undo_remove(
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&self,
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mod_: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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}
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#[async_trait::async_trait(?Send)]
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pub trait ApubLikeableType {
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async fn send_like(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_dislike(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_undo_like(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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}
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pub fn get_shared_inbox(actor_id: &str) -> String {
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let url = Url::parse(actor_id).unwrap();
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format!(
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"{}://{}{}/inbox",
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&url.scheme(),
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&url.host_str().unwrap(),
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if let Some(port) = url.port() {
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format!(":{}", port)
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} else {
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"".to_string()
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},
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)
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}
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#[async_trait::async_trait(?Send)]
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pub trait ActorType {
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fn actor_id(&self) -> String;
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fn public_key(&self) -> String;
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fn private_key(&self) -> String;
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// These two have default impls, since currently a community can't follow anything,
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// and a user can't be followed (yet)
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#[allow(unused_variables)]
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async fn send_follow(
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&self,
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follow_actor_id: &str,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_unfollow(
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&self,
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follow_actor_id: &str,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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#[allow(unused_variables)]
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async fn send_accept_follow(
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&self,
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follow: &Follow,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_delete(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_undo_delete(
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&self,
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creator: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_remove(
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&self,
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mod_: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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async fn send_undo_remove(
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&self,
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mod_: &User_,
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client: &Client,
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pool: &DbPool,
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) -> Result<(), LemmyError>;
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/// For a given community, returns the inboxes of all followers.
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async fn get_follower_inboxes(&self, pool: &DbPool) -> Result<Vec<String>, LemmyError>;
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// TODO move these to the db rows
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fn get_inbox_url(&self) -> String {
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format!("{}/inbox", &self.actor_id())
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}
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fn get_shared_inbox_url(&self) -> String {
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get_shared_inbox(&self.actor_id())
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}
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fn get_outbox_url(&self) -> String {
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format!("{}/outbox", &self.actor_id())
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}
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fn get_followers_url(&self) -> String {
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format!("{}/followers", &self.actor_id())
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}
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fn get_following_url(&self) -> String {
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format!("{}/following", &self.actor_id())
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}
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fn get_liked_url(&self) -> String {
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format!("{}/liked", &self.actor_id())
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}
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fn get_public_key_ext(&self) -> PublicKeyExtension {
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PublicKey {
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id: format!("{}#main-key", self.actor_id()),
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owner: self.actor_id(),
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public_key_pem: self.public_key(),
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}
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.to_ext()
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}
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}
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pub async fn fetch_webfinger_url(
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mention: &MentionData,
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client: &Client,
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) -> Result<String, LemmyError> {
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let fetch_url = format!(
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"{}://{}/.well-known/webfinger?resource=acct:{}@{}",
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get_apub_protocol_string(),
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mention.domain,
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mention.name,
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mention.domain
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);
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debug!("Fetching webfinger url: {}", &fetch_url);
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let mut response = retry(|| client.get(&fetch_url).send()).await?;
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let res: WebFingerResponse = response
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.json()
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.await
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.map_err(|e| RecvError(e.to_string()))?;
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let link = res
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.links
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.iter()
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.find(|l| l.type_.eq(&Some("application/activity+json".to_string())))
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.ok_or_else(|| format_err!("No application/activity+json link found."))?;
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link
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.href
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.to_owned()
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.ok_or_else(|| format_err!("No href found.").into())
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}
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