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Revert "Use trigger to generate apub URL in insert instead of update, and fix query planner options not being set when TLS is disabled (#4797)"

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This reverts commit 78702b59fd.
This commit is contained in:
Felix Ableitner 2024-10-16 09:59:21 +02:00
parent 0ba0d0f9b3
commit 643dd619eb
11 changed files with 106 additions and 139 deletions
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24
crates/api_crud/src/comment/create.rs
View file

@ -8,18 +8,20 @@ use lemmy_api_common::{
utils::{
check_community_user_action,
check_post_deleted_or_removed,
generate_local_apub_endpoint,
get_url_blocklist,
is_mod_or_admin,
local_site_to_slur_regex,
process_markdown,
update_read_comments,
EndpointType,
},
};
use lemmy_db_schema::{
impls::actor_language::default_post_language,
source::{
actor_language::CommunityLanguage,
comment::{Comment, CommentInsertForm, CommentLike, CommentLikeForm},
comment::{Comment, CommentInsertForm, CommentLike, CommentLikeForm, CommentUpdateForm},
comment_reply::{CommentReply, CommentReplyUpdateForm},
local_site::LocalSite,
person_mention::{PersonMention, PersonMentionUpdateForm},
@ -123,7 +125,25 @@ pub async fn create_comment(
.await
.with_lemmy_type(LemmyErrorType::CouldntCreateComment)?;
// Necessary to update the ap_id
let inserted_comment_id = inserted_comment.id;
let protocol_and_hostname = context.settings().get_protocol_and_hostname();
let apub_id = generate_local_apub_endpoint(
EndpointType::Comment,
&inserted_comment_id.to_string(),
&protocol_and_hostname,
)?;
let updated_comment = Comment::update(
&mut context.pool(),
inserted_comment_id,
&CommentUpdateForm {
ap_id: Some(apub_id),
..Default::default()
},
)
.await
.with_lemmy_type(LemmyErrorType::CouldntCreateComment)?;
// Scan the comment for user mentions, add those rows
let mentions = scrape_text_for_mentions(&content);
@ -150,7 +170,7 @@ pub async fn create_comment(
.with_lemmy_type(LemmyErrorType::CouldntLikeComment)?;
ActivityChannel::submit_activity(
SendActivityData::CreateComment(inserted_comment.clone()),
SendActivityData::CreateComment(updated_comment.clone()),
&context,
)
.await?;

28
crates/api_crud/src/post/create.rs
View file

@ -8,11 +8,13 @@ use lemmy_api_common::{
send_activity::SendActivityData,
utils::{
check_community_user_action,
generate_local_apub_endpoint,
get_url_blocklist,
honeypot_check,
local_site_to_slur_regex,
mark_post_as_read,
process_markdown_opt,
EndpointType,
},
};
use lemmy_db_schema::{
@ -21,7 +23,7 @@ use lemmy_db_schema::{
actor_language::CommunityLanguage,
community::Community,
local_site::LocalSite,
post::{Post, PostInsertForm, PostLike, PostLikeForm},
post::{Post, PostInsertForm, PostLike, PostLikeForm, PostUpdateForm},
},
traits::{Crud, Likeable},
utils::diesel_url_create,
@ -145,8 +147,26 @@ pub async fn create_post(
.await
.with_lemmy_type(LemmyErrorType::CouldntCreatePost)?;
let inserted_post_id = inserted_post.id;
let protocol_and_hostname = context.settings().get_protocol_and_hostname();
let apub_id = generate_local_apub_endpoint(
EndpointType::Post,
&inserted_post_id.to_string(),
&protocol_and_hostname,
)?;
let updated_post = Post::update(
&mut context.pool(),
inserted_post_id,
&PostUpdateForm {
ap_id: Some(apub_id),
..Default::default()
},
)
.await
.with_lemmy_type(LemmyErrorType::CouldntCreatePost)?;
generate_post_link_metadata(
inserted_post.clone(),
updated_post.clone(),
custom_thumbnail.map(Into::into),
|post| Some(SendActivityData::CreatePost(post)),
Some(local_site),
@ -169,11 +189,11 @@ pub async fn create_post(
mark_post_as_read(person_id, post_id, &mut context.pool()).await?;
if let Some(url) = inserted_post.url.clone() {
if let Some(url) = updated_post.url.clone() {
if community.visibility == CommunityVisibility::Public {
spawn_try_task(async move {
let mut webmention =
Webmention::new::<Url>(inserted_post.ap_id.clone().into(), url.clone().into())?;
Webmention::new::<Url>(updated_post.ap_id.clone().into(), url.clone().into())?;
webmention.set_checked(true);
match webmention
.send()

22
crates/api_crud/src/private_message/create.rs
View file

@ -6,17 +6,19 @@ use lemmy_api_common::{
send_activity::{ActivityChannel, SendActivityData},
utils::{
check_person_block,
generate_local_apub_endpoint,
get_interface_language,
get_url_blocklist,
local_site_to_slur_regex,
process_markdown,
send_email_to_user,
EndpointType,
},
};
use lemmy_db_schema::{
source::{
local_site::LocalSite,
private_message::{PrivateMessage, PrivateMessageInsertForm},
private_message::{PrivateMessage, PrivateMessageInsertForm, PrivateMessageUpdateForm},
},
traits::Crud,
};
@ -56,6 +58,24 @@ pub async fn create_private_message(
.await
.with_lemmy_type(LemmyErrorType::CouldntCreatePrivateMessage)?;
let inserted_private_message_id = inserted_private_message.id;
let protocol_and_hostname = context.settings().get_protocol_and_hostname();
let apub_id = generate_local_apub_endpoint(
EndpointType::PrivateMessage,
&inserted_private_message_id.to_string(),
&protocol_and_hostname,
)?;
PrivateMessage::update(
&mut context.pool(),
inserted_private_message.id,
&PrivateMessageUpdateForm {
ap_id: Some(apub_id),
..Default::default()
},
)
.await
.with_lemmy_type(LemmyErrorType::CouldntCreatePrivateMessage)?;
let view = PrivateMessageView::read(&mut context.pool(), inserted_private_message.id)
.await?
.ok_or(LemmyErrorType::CouldntFindPrivateMessage)?;

40
crates/db_schema/replaceable_schema/triggers.sql
View file

@ -564,10 +564,6 @@ BEGIN
IF NOT (NEW.path ~ ('*.' || id)::lquery) THEN
NEW.path = NEW.path || id;
END IF;
-- Set local ap_id
IF NEW.local THEN
NEW.ap_id = coalesce(NEW.ap_id, r.local_url ('/comment/' || id));
END IF;
RETURN NEW;
END
$$;
@ -577,39 +573,3 @@ CREATE TRIGGER change_values
FOR EACH ROW
EXECUTE FUNCTION r.comment_change_values ();
CREATE FUNCTION r.post_change_values ()
RETURNS TRIGGER
LANGUAGE plpgsql
AS $$
BEGIN
-- Set local ap_id
IF NEW.local THEN
NEW.ap_id = coalesce(NEW.ap_id, r.local_url ('/post/' || NEW.id::text));
END IF;
RETURN NEW;
END
$$;
CREATE TRIGGER change_values
BEFORE INSERT ON post
FOR EACH ROW
EXECUTE FUNCTION r.post_change_values ();
CREATE FUNCTION r.private_message_change_values ()
RETURNS TRIGGER
LANGUAGE plpgsql
AS $$
BEGIN
-- Set local ap_id
IF NEW.local THEN
NEW.ap_id = coalesce(NEW.ap_id, r.local_url ('/private_message/' || NEW.id::text));
END IF;
RETURN NEW;
END
$$;
CREATE TRIGGER change_values
BEFORE INSERT ON private_message
FOR EACH ROW
EXECUTE FUNCTION r.private_message_change_values ();

7
crates/db_schema/replaceable_schema/utils.sql
View file

@ -57,13 +57,6 @@ BEGIN
END;
$$;
CREATE FUNCTION r.local_url (url_path text)
RETURNS text
LANGUAGE sql
STABLE PARALLEL SAFE RETURN (
current_setting('lemmy.protocol_and_hostname') || url_path
);
-- This function creates statement-level triggers for all operation types. It's designed this way
-- because of these limitations:
-- * A trigger that uses transition tables can only handle 1 operation type.

8
crates/db_schema/src/impls/comment.rs
View file

@ -223,7 +223,6 @@ mod tests {
use diesel_ltree::Ltree;
use pretty_assertions::assert_eq;
use serial_test::serial;
use url::Url;
#[tokio::test]
#[serial]
@ -274,12 +273,7 @@ mod tests {
path: Ltree(format!("0.{}", inserted_comment.id)),
published: inserted_comment.published,
updated: None,
ap_id: Url::parse(&format!(
"https://lemmy-alpha/comment/{}",
inserted_comment.id
))
.unwrap()
.into(),
ap_id: inserted_comment.ap_id.clone(),
distinguished: false,
local: true,
language_id: LanguageId::default(),

5
crates/db_schema/src/impls/post.rs
View file

@ -390,7 +390,6 @@ mod tests {
use pretty_assertions::assert_eq;
use serial_test::serial;
use std::collections::HashSet;
use url::Url;
#[tokio::test]
#[serial]
@ -448,9 +447,7 @@ mod tests {
embed_description: None,
embed_video_url: None,
thumbnail_url: None,
ap_id: Url::parse(&format!("https://lemmy-alpha/post/{}", inserted_post.id))
.unwrap()
.into(),
ap_id: inserted_post.ap_id.clone(),
local: true,
language_id: Default::default(),
featured_community: false,

8
crates/db_schema/src/impls/private_message.rs
View file

@ -100,7 +100,6 @@ mod tests {
};
use pretty_assertions::assert_eq;
use serial_test::serial;
use url::Url;
#[tokio::test]
#[serial]
@ -139,12 +138,7 @@ mod tests {
read: false,
updated: None,
published: inserted_private_message.published,
ap_id: Url::parse(&format!(
"https://lemmy-alpha/private_message/{}",
inserted_private_message.id
))
.unwrap()
.into(),
ap_id: inserted_private_message.ap_id.clone(),
local: true,
};

85
crates/db_schema/src/utils.rs
View file

@ -22,8 +22,7 @@ use diesel_async::{
AsyncDieselConnectionManager,
ManagerConfig,
},
AsyncConnection,
RunQueryDsl,
SimpleAsyncConnection,
};
use futures_util::{future::BoxFuture, Future, FutureExt};
use i_love_jesus::CursorKey;
@ -324,46 +323,30 @@ pub fn diesel_url_create(opt: Option<&str>) -> LemmyResult<Option<DbUrl>> {
fn establish_connection(config: &str) -> BoxFuture<ConnectionResult<AsyncPgConnection>> {
let fut = async {
// We only support TLS with sslmode=require currently
let mut conn = if config.contains("sslmode=require") {
let rustls_config = DangerousClientConfigBuilder {
cfg: ClientConfig::builder(),
let rustls_config = DangerousClientConfigBuilder {
cfg: ClientConfig::builder(),
}
.with_custom_certificate_verifier(Arc::new(NoCertVerifier {}))
.with_no_client_auth();
let tls = tokio_postgres_rustls::MakeRustlsConnect::new(rustls_config);
let (client, conn) = tokio_postgres::connect(config, tls)
.await
.map_err(|e| ConnectionError::BadConnection(e.to_string()))?;
tokio::spawn(async move {
if let Err(e) = conn.await {
error!("Database connection failed: {e}");
}
.with_custom_certificate_verifier(Arc::new(NoCertVerifier {}))
.with_no_client_auth();
let tls = tokio_postgres_rustls::MakeRustlsConnect::new(rustls_config);
let (client, conn) = tokio_postgres::connect(config, tls)
.await
.map_err(|e| ConnectionError::BadConnection(e.to_string()))?;
tokio::spawn(async move {
if let Err(e) = conn.await {
error!("Database connection failed: {e}");
}
});
AsyncPgConnection::try_from(client).await?
} else {
AsyncPgConnection::establish(config).await?
};
diesel::select((
// Change geqo_threshold back to default value if it was changed, so it's higher than the
// collapse limits
functions::set_config("geqo_threshold", "12", false),
// Change collapse limits from 8 to 11 so the query planner can find a better table join
// order for more complicated queries
functions::set_config("from_collapse_limit", "11", false),
functions::set_config("join_collapse_limit", "11", false),
// Set `lemmy.protocol_and_hostname` so triggers can use it
functions::set_config(
"lemmy.protocol_and_hostname",
SETTINGS.get_protocol_and_hostname(),
false,
),
))
.execute(&mut conn)
.await
.map_err(ConnectionError::CouldntSetupConfiguration)?;
});
let mut conn = AsyncPgConnection::try_from(client).await?;
// * Change geqo_threshold back to default value if it was changed, so it's higher than the
// collapse limits
// * Change collapse limits from 8 to 11 so the query planner can find a better table join order
// for more complicated queries
conn
.batch_execute("SET geqo_threshold=12;SET from_collapse_limit=11;SET join_collapse_limit=11;")
.await
.map_err(ConnectionError::CouldntSetupConfiguration)?;
Ok(conn)
};
fut.boxed()
@ -422,11 +405,17 @@ impl ServerCertVerifier for NoCertVerifier {
pub async fn build_db_pool() -> LemmyResult<ActualDbPool> {
let db_url = SETTINGS.get_database_url();
// diesel-async does not support any TLS connections out of the box, so we need to manually
// provide a setup function which handles creating the connection
let mut config = ManagerConfig::default();
config.custom_setup = Box::new(establish_connection);
let manager = AsyncDieselConnectionManager::<AsyncPgConnection>::new_with_config(&db_url, config);
// We only support TLS with sslmode=require currently
let tls_enabled = db_url.contains("sslmode=require");
let manager = if tls_enabled {
// diesel-async does not support any TLS connections out of the box, so we need to manually
// provide a setup function which handles creating the connection
let mut config = ManagerConfig::default();
config.custom_setup = Box::new(establish_connection);
AsyncDieselConnectionManager::<AsyncPgConnection>::new_with_config(&db_url, config)
} else {
AsyncDieselConnectionManager::<AsyncPgConnection>::new(&db_url)
};
let pool = Pool::builder(manager)
.max_size(SETTINGS.database.pool_size)
.runtime(Runtime::Tokio1)
@ -483,7 +472,7 @@ static EMAIL_REGEX: LazyLock<Regex> = LazyLock::new(|| {
});
pub mod functions {
use diesel::sql_types::{BigInt, Bool, Text, Timestamptz};
use diesel::sql_types::{BigInt, Text, Timestamptz};
sql_function! {
#[sql_name = "r.hot_rank"]
@ -506,8 +495,6 @@ pub mod functions {
// really this function is variadic, this just adds the two-argument version
sql_function!(fn coalesce<T: diesel::sql_types::SqlType + diesel::sql_types::SingleValue>(x: diesel::sql_types::Nullable<T>, y: T) -> T);
sql_function!(fn set_config(setting_name: Text, new_value: Text, is_local: Bool) -> Text);
}
pub const DELETED_REPLACEMENT_TEXT: &str = "*Permanently Deleted*";

9
migrations/2024-06-24-000000_ap_id_triggers/down.sql
View file

@ -1,9 +0,0 @@
ALTER TABLE comment
ALTER COLUMN ap_id SET DEFAULT generate_unique_changeme ();
ALTER TABLE post
ALTER COLUMN ap_id SET DEFAULT generate_unique_changeme ();
ALTER TABLE private_message
ALTER COLUMN ap_id SET DEFAULT generate_unique_changeme ();

9
migrations/2024-06-24-000000_ap_id_triggers/up.sql
View file

@ -1,9 +0,0 @@
ALTER TABLE comment
ALTER COLUMN ap_id DROP DEFAULT;
ALTER TABLE post
ALTER COLUMN ap_id DROP DEFAULT;
ALTER TABLE private_message
ALTER COLUMN ap_id DROP DEFAULT;