mirror of
https://github.com/LemmyNet/lemmy.git
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282 lines
8.5 KiB
Rust
282 lines
8.5 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::api::community::CommunityResponse;
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use crate::db::activity::insert_activity;
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use crate::websocket::server::SendCommunityRoomMessage;
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use activitystreams::object::kind::{NoteType, PageType};
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use activitystreams::{
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activity::{Accept, Create, Delete, Dislike, Follow, Like, Remove, Undo, Update},
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actor::{kind::GroupType, properties::ApActorProperties, Group, Person},
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collection::UnorderedCollection,
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context,
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endpoint::EndpointProperties,
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ext::{Ext, Extensible},
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object::{properties::ObjectProperties, Note, Page, Tombstone},
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public, BaseBox,
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};
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use actix_web::body::Body;
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use actix_web::web::Path;
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use actix_web::{web, HttpRequest, HttpResponse, Result};
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use diesel::result::Error::NotFound;
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use diesel::PgConnection;
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use failure::Error;
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use failure::_core::fmt::Debug;
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use isahc::prelude::*;
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use itertools::Itertools;
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use log::debug;
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use serde::{Deserialize, Serialize};
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use std::time::Duration;
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use url::Url;
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use crate::api::comment::CommentResponse;
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use crate::api::post::PostResponse;
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use crate::api::site::SearchResponse;
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use crate::api::user::PrivateMessageResponse;
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use crate::db::comment::{Comment, CommentForm, CommentLike, CommentLikeForm};
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use crate::db::comment_view::CommentView;
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use crate::db::community::{
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Community, CommunityFollower, CommunityFollowerForm, CommunityForm, CommunityModerator,
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CommunityModeratorForm,
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};
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use crate::db::community_view::{CommunityFollowerView, CommunityModeratorView, CommunityView};
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use crate::db::post::{Post, PostForm, PostLike, PostLikeForm};
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use crate::db::post_view::PostView;
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use crate::db::private_message::{PrivateMessage, PrivateMessageForm};
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use crate::db::private_message_view::PrivateMessageView;
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use crate::db::user::{UserForm, User_};
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use crate::db::user_view::UserView;
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use crate::db::{Crud, Followable, Joinable, Likeable, SearchType};
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use crate::routes::nodeinfo::{NodeInfo, NodeInfoWellKnown};
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use crate::routes::{ChatServerParam, DbPoolParam};
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use crate::websocket::{
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server::{SendComment, SendPost, SendUserRoomMessage},
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UserOperation,
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};
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use crate::{convert_datetime, naive_now, Settings};
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use crate::apub::extensions::group_extensions::GroupExtension;
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use crate::apub::extensions::page_extension::PageExtension;
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use activities::{populate_object_props, send_activity};
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use chrono::NaiveDateTime;
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use extensions::signatures::verify;
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use extensions::signatures::{sign, PublicKey, PublicKeyExtension};
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use fetcher::{get_or_fetch_and_upsert_remote_community, get_or_fetch_and_upsert_remote_user};
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type GroupExt = Ext<Ext<Ext<Group, GroupExtension>, ApActorProperties>, PublicKeyExtension>;
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type PersonExt = Ext<Ext<Person, ApActorProperties>, PublicKeyExtension>;
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type PageExt = Ext<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 whitelist.
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fn is_apub_id_valid(apub_id: &Url) -> bool {
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if apub_id.scheme() != get_apub_protocol_string() {
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return false;
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}
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let whitelist: Vec<String> = Settings::get()
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.federation
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.instance_whitelist
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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) => whitelist.contains(&d.to_owned()),
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None => false,
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}
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}
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pub trait ToApub {
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type Response;
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fn to_apub(&self, conn: &PgConnection) -> Result<Self::Response, Error>;
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fn to_tombstone(&self) -> Result<Tombstone, Error>;
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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, Error> {
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if deleted {
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if let Some(updated) = updated {
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let mut tombstone = Tombstone::default();
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tombstone.object_props.set_id(object_id)?;
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tombstone
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.tombstone_props
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.set_former_type_xsd_string(former_type)?
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.set_deleted(convert_datetime(updated))?;
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Ok(tombstone)
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} else {
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Err(format_err!(
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"Cant convert to tombstone because updated time was None."
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))
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}
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} else {
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Err(format_err!(
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"Cant convert object to tombstone if it wasnt deleted"
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))
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}
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}
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pub trait FromApub {
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type ApubType;
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fn from_apub(apub: &Self::ApubType, conn: &PgConnection) -> Result<Self, Error>
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where
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Self: Sized;
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}
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pub trait ApubObjectType {
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fn send_create(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_update(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_undo_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_remove(&self, mod_: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_undo_remove(&self, mod_: &User_, conn: &PgConnection) -> Result<(), Error>;
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}
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pub trait ApubLikeableType {
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fn send_like(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_dislike(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_undo_like(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
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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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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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fn send_follow(&self, follow_actor_id: &str, conn: &PgConnection) -> Result<(), Error>;
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fn send_unfollow(&self, follow_actor_id: &str, conn: &PgConnection) -> Result<(), Error>;
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#[allow(unused_variables)]
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fn send_accept_follow(&self, follow: &Follow, conn: &PgConnection) -> Result<(), Error>;
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fn send_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_undo_delete(&self, creator: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_remove(&self, mod_: &User_, conn: &PgConnection) -> Result<(), Error>;
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fn send_undo_remove(&self, mod_: &User_, conn: &PgConnection) -> Result<(), Error>;
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/// For a given community, returns the inboxes of all followers.
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fn get_follower_inboxes(&self, conn: &PgConnection) -> Result<Vec<String>, Error>;
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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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