Fix missing private key for signed fetch (#4516)

* Fix missing private key for signed fetch (fixes #4451)

* clippy

* instance actor name and webfinger

* better webfinger handling

* upgrade lib

* update test asset
This commit is contained in:
Nutomic 2024-03-08 16:23:15 +01:00 committed by GitHub
parent 00f7778485
commit 5859502a2a
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GPG Key ID: B5690EEEBB952194
8 changed files with 55 additions and 43 deletions

6
Cargo.lock generated
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@ -16,9 +16,9 @@ checksum = "8f27d075294830fcab6f66e320dab524bc6d048f4a151698e153205559113772"
[[package]]
name = "activitypub_federation"
version = "0.5.1"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "eee115a53849bbcac6c953495b5f9322b56680c0a1bdef6813183f0453f9ee3c"
checksum = "a028034c642d3ed16b535f98f48b3df30397833c183d68852d79de16650d5ed5"
dependencies = [
"activitystreams-kinds",
"actix-web",
@ -2577,7 +2577,6 @@ version = "0.19.3"
dependencies = [
"activitypub_federation",
"actix-web",
"anyhow",
"chrono",
"encoding",
"enum-map",
@ -2599,7 +2598,6 @@ dependencies = [
"serde",
"serde_with",
"serial_test",
"task-local-extensions",
"tokio",
"tracing",
"ts-rs",

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@ -96,7 +96,7 @@ lemmy_routes = { version = "=0.19.3", path = "./crates/routes" }
lemmy_db_views = { version = "=0.19.3", path = "./crates/db_views" }
lemmy_db_views_actor = { version = "=0.19.3", path = "./crates/db_views_actor" }
lemmy_db_views_moderator = { version = "=0.19.3", path = "./crates/db_views_moderator" }
activitypub_federation = { version = "0.5.1", default-features = false, features = [
activitypub_federation = { version = "0.5.2", default-features = false, features = [
"actix-web",
] }
diesel = "2.1.4"

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@ -2,6 +2,7 @@
"type": "Application",
"id": "https://enterprise.lemmy.ml/",
"name": "Enterprise",
"preferredUsername": "enterprise.lemmy.ml",
"summary": "A test instance",
"content": "<p>Enterprise sidebar</p>\\n",
"mediaType": "text/html",

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@ -96,6 +96,7 @@ impl Object for ApubSite {
kind: ApplicationType::Application,
id: self.id().into(),
name: self.name.clone(),
preferred_username: data.domain().to_string(),
content: self.sidebar.as_ref().map(|d| markdown_to_html(d)),
source: self.sidebar.clone().map(Source::new),
summary: self.description.clone(),

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@ -19,8 +19,10 @@ pub struct Instance {
#[serde(rename = "type")]
pub(crate) kind: ApplicationType,
pub(crate) id: ObjectId<ApubSite>,
// site name
/// site name
pub(crate) name: String,
/// instance domain, necessary for mastodon authorized fetch
pub(crate) preferred_username: String,
pub(crate) inbox: Url,
/// mandatory field in activitypub, lemmy currently serves an empty outbox
pub(crate) outbox: Url,

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@ -34,7 +34,9 @@ pub struct Site {
pub last_refreshed_at: DateTime<Utc>,
/// The site inbox
pub inbox_url: DbUrl,
#[serde(skip)]
pub private_key: Option<String>,
#[serde(skip)]
pub public_key: String,
pub instance_id: InstanceId,
/// If present, nsfw content is visible by default. Should be displayed by frontends/clients

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@ -9,7 +9,7 @@ use lemmy_db_schema::{
impl SiteView {
pub async fn read_local(pool: &mut DbPool<'_>) -> Result<Self, Error> {
let conn = &mut get_conn(pool).await?;
let mut res = site::table
site::table
.inner_join(local_site::table)
.inner_join(
local_site_rate_limit::table.on(local_site::id.eq(local_site_rate_limit::local_site_id)),
@ -22,9 +22,6 @@ impl SiteView {
site_aggregates::all_columns,
))
.first::<SiteView>(conn)
.await?;
res.site.private_key = None;
Ok(res)
.await
}
}

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@ -38,43 +38,54 @@ async fn get_webfinger_response(
) -> Result<HttpResponse, LemmyError> {
let name = extract_webfinger_name(&info.resource, &context)?;
let user_id: Option<Url> = Person::read_from_name(&mut context.pool(), name, false)
.await
.ok()
.map(|c| c.actor_id.into());
let community_id: Option<Url> = Community::read_from_name(&mut context.pool(), name, false)
.await
.ok()
.and_then(|c| {
if c.visibility == CommunityVisibility::Public {
let id: Url = c.actor_id.into();
Some(id)
} else {
None
}
});
let links = if name == context.settings().hostname {
// webfinger response for instance actor (required for mastodon authorized fetch)
let url = Url::parse(&context.settings().get_protocol_and_hostname())?;
vec![webfinger_link_for_actor(Some(url), "none", &context)]
} else {
// webfinger response for user/community
let user_id: Option<Url> = Person::read_from_name(&mut context.pool(), name, false)
.await
.ok()
.map(|c| c.actor_id.into());
let community_id: Option<Url> = Community::read_from_name(&mut context.pool(), name, false)
.await
.ok()
.and_then(|c| {
if c.visibility == CommunityVisibility::Public {
let id: Url = c.actor_id.into();
Some(id)
} else {
None
}
});
// Mastodon seems to prioritize the last webfinger item in case of duplicates. Put
// community last so that it gets prioritized. For Lemmy the order doesnt matter.
let links = vec![
webfinger_link_for_actor(user_id, "Person", &context),
webfinger_link_for_actor(community_id, "Group", &context),
]
// Mastodon seems to prioritize the last webfinger item in case of duplicates. Put
// community last so that it gets prioritized. For Lemmy the order doesnt matter.
vec![
webfinger_link_for_actor(user_id, "Person", &context),
webfinger_link_for_actor(community_id, "Group", &context),
]
}
.into_iter()
.flatten()
.collect();
.collect::<Vec<_>>();
let json = Webfinger {
subject: info.resource.clone(),
links,
..Default::default()
};
if links.is_empty() {
Ok(HttpResponse::NotFound().finish())
} else {
let json = Webfinger {
subject: info.resource.clone(),
links,
..Default::default()
};
Ok(
HttpResponse::Ok()
.content_type(&WEBFINGER_CONTENT_TYPE)
.json(json),
)
Ok(
HttpResponse::Ok()
.content_type(&WEBFINGER_CONTENT_TYPE)
.json(json),
)
}
}
fn webfinger_link_for_actor(