mirror of
https://github.com/LemmyNet/lemmy.git
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235cc8b228
* Moving settings to Database. - Moves many settings into the database. Fixes #2285 - Adds a local_site and instance table. Fixes #2365 . Fixes #2368 - Separates SQL update an insert forms, to avoid runtime errors. - Adds TypedBuilder to all the SQL forms, instead of default. * Fix weird clippy issue. * Removing extra lines. * Some fixes from suggestions. * Fixing apub tests. * Using instance creation helper function. * Move forms to their own line. * Trying to fix local_site_data, still broken. * Fixing federation tests. * Trying to fix check features 1. * Addressing PR comments. * Adding check_apub to all verify functions.
94 lines
2.8 KiB
Rust
94 lines
2.8 KiB
Rust
use crate::{local_instance, ActorType};
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use activitypub_federation::{core::object_id::ObjectId, traits::ApubObject};
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use anyhow::anyhow;
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use itertools::Itertools;
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use lemmy_api_common::utils::blocking;
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use lemmy_db_schema::{newtypes::DbUrl, source::local_site::LocalSite};
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use lemmy_utils::error::LemmyError;
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use lemmy_websocket::LemmyContext;
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use serde::{Deserialize, Serialize};
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use tracing::debug;
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use url::Url;
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#[derive(Serialize, Deserialize, Debug)]
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pub struct WebfingerLink {
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pub rel: Option<String>,
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#[serde(rename = "type")]
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pub kind: Option<String>,
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pub href: Option<Url>,
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}
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#[derive(Serialize, Deserialize, Debug)]
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pub struct WebfingerResponse {
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pub subject: String,
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pub links: Vec<WebfingerLink>,
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}
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/// Turns a person id like `@name@example.com` into an apub ID, like `https://example.com/user/name`,
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/// using webfinger.
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#[tracing::instrument(skip_all)]
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pub(crate) async fn webfinger_resolve_actor<Kind>(
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identifier: &str,
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local_only: bool,
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context: &LemmyContext,
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request_counter: &mut i32,
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) -> Result<DbUrl, LemmyError>
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where
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Kind: ApubObject<DataType = LemmyContext, Error = LemmyError> + ActorType + Send + 'static,
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for<'de2> <Kind as ApubObject>::ApubType: serde::Deserialize<'de2>,
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{
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let protocol = context.settings().get_protocol_string();
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let (_, domain) = identifier
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.splitn(2, '@')
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.collect_tuple()
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.ok_or_else(|| LemmyError::from_message("Invalid webfinger query, missing domain"))?;
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let fetch_url = format!(
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"{}://{}/.well-known/webfinger?resource=acct:{}",
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protocol, domain, identifier
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);
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debug!("Fetching webfinger url: {}", &fetch_url);
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let local_site = blocking(context.pool(), LocalSite::read).await?;
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let http_fetch_retry_limit = local_site
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.as_ref()
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.map(|l| l.federation_http_fetch_retry_limit)
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.unwrap_or(25);
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*request_counter += 1;
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if *request_counter > http_fetch_retry_limit {
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return Err(LemmyError::from_message("Request retry limit reached"));
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}
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let response = context.client().get(&fetch_url).send().await?;
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let res: WebfingerResponse = response.json().await.map_err(LemmyError::from)?;
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let links: Vec<Url> = res
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.links
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.iter()
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.filter(|link| {
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if let Some(type_) = &link.kind {
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type_.starts_with("application/")
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} else {
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false
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}
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})
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.filter_map(|l| l.href.clone())
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.collect();
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for l in links {
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let object_id = ObjectId::<Kind>::new(l);
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let object = if local_only {
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object_id.dereference_local(context).await
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} else {
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object_id
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.dereference(context, local_instance(context), request_counter)
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.await
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};
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if object.is_ok() {
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return object.map(|o| o.actor_id().into());
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}
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}
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let err = anyhow!("Failed to resolve actor for {}", identifier);
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Err(LemmyError::from_error_message(err, "failed_to_resolve"))
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}
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