lemmy/src/code_migrations.rs
2024-10-18 10:24:08 +02:00

501 lines
15 KiB
Rust

// This is for db migrations that require code
use activitypub_federation::http_signatures::generate_actor_keypair;
use diesel::{
sql_types::{Nullable, Text},
ExpressionMethods,
IntoSql,
QueryDsl,
TextExpressionMethods,
};
use diesel_async::RunQueryDsl;
use lemmy_api_common::{
lemmy_db_views::structs::SiteView,
utils::{generate_followers_url, generate_inbox_url, generate_local_apub_endpoint, EndpointType},
};
use lemmy_db_schema::{
source::{
comment::{Comment, CommentUpdateForm},
community::{Community, CommunityUpdateForm},
instance::Instance,
local_site::{LocalSite, LocalSiteInsertForm},
local_site_rate_limit::{LocalSiteRateLimit, LocalSiteRateLimitInsertForm},
local_user::{LocalUser, LocalUserInsertForm},
person::{Person, PersonInsertForm, PersonUpdateForm},
post::{Post, PostUpdateForm},
private_message::{PrivateMessage, PrivateMessageUpdateForm},
site::{Site, SiteInsertForm, SiteUpdateForm},
},
traits::Crud,
utils::{get_conn, naive_now, DbPool},
};
use lemmy_utils::{error::LemmyResult, settings::structs::Settings};
use tracing::info;
use url::Url;
pub async fn run_advanced_migrations(
pool: &mut DbPool<'_>,
settings: &Settings,
) -> LemmyResult<()> {
let protocol_and_hostname = &settings.get_protocol_and_hostname();
user_updates_2020_04_02(pool, protocol_and_hostname).await?;
community_updates_2020_04_02(pool, protocol_and_hostname).await?;
post_updates_2020_04_03(pool, protocol_and_hostname).await?;
comment_updates_2020_04_03(pool, protocol_and_hostname).await?;
private_message_updates_2020_05_05(pool, protocol_and_hostname).await?;
post_thumbnail_url_updates_2020_07_27(pool, protocol_and_hostname).await?;
apub_columns_2021_02_02(pool).await?;
instance_actor_2022_01_28(pool, protocol_and_hostname).await?;
regenerate_public_keys_2022_07_05(pool).await?;
initialize_local_site_2022_10_10(pool, settings).await?;
Ok(())
}
async fn user_updates_2020_04_02(
pool: &mut DbPool<'_>,
protocol_and_hostname: &str,
) -> LemmyResult<()> {
use lemmy_db_schema::schema::person::dsl::{actor_id, local, person};
let conn = &mut get_conn(pool).await?;
info!("Running user_updates_2020_04_02");
// Update the actor_id, private_key, and public_key, last_refreshed_at
let incorrect_persons = person
.filter(actor_id.like("http://changeme%"))
.filter(local.eq(true))
.load::<Person>(conn)
.await?;
for cperson in &incorrect_persons {
let keypair = generate_actor_keypair()?;
let form = PersonUpdateForm {
actor_id: Some(generate_local_apub_endpoint(
EndpointType::Person,
&cperson.name,
protocol_and_hostname,
)?),
private_key: Some(Some(keypair.private_key)),
public_key: Some(keypair.public_key),
last_refreshed_at: Some(naive_now()),
..Default::default()
};
Person::update(pool, cperson.id, &form).await?;
}
info!("{} person rows updated.", incorrect_persons.len());
Ok(())
}
async fn community_updates_2020_04_02(
pool: &mut DbPool<'_>,
protocol_and_hostname: &str,
) -> LemmyResult<()> {
use lemmy_db_schema::schema::community::dsl::{actor_id, community, local};
let conn = &mut get_conn(pool).await?;
info!("Running community_updates_2020_04_02");
// Update the actor_id, private_key, and public_key, last_refreshed_at
let incorrect_communities = community
.filter(actor_id.like("http://changeme%"))
.filter(local.eq(true))
.load::<Community>(conn)
.await?;
for ccommunity in &incorrect_communities {
let keypair = generate_actor_keypair()?;
let community_actor_id = generate_local_apub_endpoint(
EndpointType::Community,
&ccommunity.name,
protocol_and_hostname,
)?;
let form = CommunityUpdateForm {
actor_id: Some(community_actor_id.clone()),
private_key: Some(Some(keypair.private_key)),
public_key: Some(keypair.public_key),
last_refreshed_at: Some(naive_now()),
..Default::default()
};
Community::update(pool, ccommunity.id, &form).await?;
}
info!("{} community rows updated.", incorrect_communities.len());
Ok(())
}
async fn post_updates_2020_04_03(
pool: &mut DbPool<'_>,
protocol_and_hostname: &str,
) -> LemmyResult<()> {
use lemmy_db_schema::schema::post::dsl::{ap_id, local, post};
let conn = &mut get_conn(pool).await?;
info!("Running post_updates_2020_04_03");
// Update the ap_id
let incorrect_posts = post
.filter(ap_id.like("http://changeme%"))
.filter(local.eq(true))
.load::<Post>(conn)
.await?;
for cpost in &incorrect_posts {
let apub_id = generate_local_apub_endpoint(
EndpointType::Post,
&cpost.id.to_string(),
protocol_and_hostname,
)?;
Post::update(
pool,
cpost.id,
&PostUpdateForm {
ap_id: Some(apub_id),
..Default::default()
},
)
.await?;
}
info!("{} post rows updated.", incorrect_posts.len());
Ok(())
}
async fn comment_updates_2020_04_03(
pool: &mut DbPool<'_>,
protocol_and_hostname: &str,
) -> LemmyResult<()> {
use lemmy_db_schema::schema::comment::dsl::{ap_id, comment, local};
let conn = &mut get_conn(pool).await?;
info!("Running comment_updates_2020_04_03");
// Update the ap_id
let incorrect_comments = comment
.filter(ap_id.like("http://changeme%"))
.filter(local.eq(true))
.load::<Comment>(conn)
.await?;
for ccomment in &incorrect_comments {
let apub_id = generate_local_apub_endpoint(
EndpointType::Comment,
&ccomment.id.to_string(),
protocol_and_hostname,
)?;
Comment::update(
pool,
ccomment.id,
&CommentUpdateForm {
ap_id: Some(apub_id),
..Default::default()
},
)
.await?;
}
info!("{} comment rows updated.", incorrect_comments.len());
Ok(())
}
async fn private_message_updates_2020_05_05(
pool: &mut DbPool<'_>,
protocol_and_hostname: &str,
) -> LemmyResult<()> {
use lemmy_db_schema::schema::private_message::dsl::{ap_id, local, private_message};
let conn = &mut get_conn(pool).await?;
info!("Running private_message_updates_2020_05_05");
// Update the ap_id
let incorrect_pms = private_message
.filter(ap_id.like("http://changeme%"))
.filter(local.eq(true))
.load::<PrivateMessage>(conn)
.await?;
for cpm in &incorrect_pms {
let apub_id = generate_local_apub_endpoint(
EndpointType::PrivateMessage,
&cpm.id.to_string(),
protocol_and_hostname,
)?;
PrivateMessage::update(
pool,
cpm.id,
&PrivateMessageUpdateForm {
ap_id: Some(apub_id),
..Default::default()
},
)
.await?;
}
info!("{} private message rows updated.", incorrect_pms.len());
Ok(())
}
async fn post_thumbnail_url_updates_2020_07_27(
pool: &mut DbPool<'_>,
protocol_and_hostname: &str,
) -> LemmyResult<()> {
use lemmy_db_schema::schema::post::dsl::{post, thumbnail_url};
let conn = &mut get_conn(pool).await?;
info!("Running post_thumbnail_url_updates_2020_07_27");
let domain_prefix = format!("{protocol_and_hostname}/pictrs/image/",);
let incorrect_thumbnails = post.filter(thumbnail_url.not_like("http%"));
// Prepend the rows with the update
let res = diesel::update(incorrect_thumbnails)
.set(
thumbnail_url.eq(
domain_prefix
.into_sql::<Nullable<Text>>()
.concat(thumbnail_url),
),
)
.get_results::<Post>(conn)
.await?;
info!("{} Post thumbnail_url rows updated.", res.len());
Ok(())
}
/// We are setting inbox and follower URLs for local and remote actors alike, because for now
/// all federated instances are also Lemmy and use the same URL scheme.
async fn apub_columns_2021_02_02(pool: &mut DbPool<'_>) -> LemmyResult<()> {
let conn = &mut get_conn(pool).await?;
info!("Running apub_columns_2021_02_02");
{
use lemmy_db_schema::schema::person::dsl::{inbox_url, person};
let persons = person
.filter(inbox_url.like("http://changeme%"))
.load::<Person>(conn)
.await?;
for p in &persons {
let inbox_url_ = generate_inbox_url()?;
diesel::update(person.find(p.id))
.set((inbox_url.eq(inbox_url_),))
.get_result::<Person>(conn)
.await?;
}
}
{
use lemmy_db_schema::schema::community::dsl::{community, followers_url, inbox_url};
let communities = community
.filter(inbox_url.like("http://changeme%"))
.load::<Community>(conn)
.await?;
for c in &communities {
let followers_url_ = generate_followers_url(&c.actor_id)?;
let inbox_url_ = generate_inbox_url()?;
diesel::update(community.find(c.id))
.set((followers_url.eq(followers_url_), inbox_url.eq(inbox_url_)))
.get_result::<Community>(conn)
.await?;
}
}
Ok(())
}
/// Site object turns into an actor, so that things like instance description can be federated. This
/// means we need to add actor columns to the site table, and initialize them with correct values.
/// Before this point, there is only a single value in the site table which refers to the local
/// Lemmy instance, so thats all we need to update.
async fn instance_actor_2022_01_28(
pool: &mut DbPool<'_>,
protocol_and_hostname: &str,
) -> LemmyResult<()> {
info!("Running instance_actor_2021_09_29");
if let Ok(site_view) = SiteView::read_local(pool).await {
let site = site_view.site;
// if site already has public key, we dont need to do anything here
if !site.public_key.is_empty() {
return Ok(());
}
let key_pair = generate_actor_keypair()?;
let actor_id = Url::parse(protocol_and_hostname)?;
let site_form = SiteUpdateForm {
actor_id: Some(actor_id.clone().into()),
last_refreshed_at: Some(naive_now()),
inbox_url: Some(generate_inbox_url()?),
private_key: Some(Some(key_pair.private_key)),
public_key: Some(key_pair.public_key),
..Default::default()
};
Site::update(pool, site.id, &site_form).await?;
}
Ok(())
}
/// Fix for bug #2347, which can result in community/person public keys being overwritten with
/// empty string when the database value is updated. We go through all actors, and if the public
/// key field is empty, generate a new keypair. It would be possible to regenerate only the pubkey,
/// but thats more complicated and has no benefit, as federation is already broken for these actors.
/// https://github.com/LemmyNet/lemmy/issues/2347
async fn regenerate_public_keys_2022_07_05(pool: &mut DbPool<'_>) -> LemmyResult<()> {
let conn = &mut get_conn(pool).await?;
info!("Running regenerate_public_keys_2022_07_05");
{
// update communities with empty pubkey
use lemmy_db_schema::schema::community::dsl::{community, local, public_key};
let communities: Vec<Community> = community
.filter(local.eq(true))
.filter(public_key.eq(""))
.load::<Community>(conn)
.await?;
for community_ in communities {
info!(
"local community {} has empty public key field, regenerating key",
community_.name
);
let key_pair = generate_actor_keypair()?;
let form = CommunityUpdateForm {
public_key: Some(key_pair.public_key),
private_key: Some(Some(key_pair.private_key)),
..Default::default()
};
Community::update(&mut conn.into(), community_.id, &form).await?;
}
}
{
// update persons with empty pubkey
use lemmy_db_schema::schema::person::dsl::{local, person, public_key};
let persons = person
.filter(local.eq(true))
.filter(public_key.eq(""))
.load::<Person>(conn)
.await?;
for person_ in persons {
info!(
"local user {} has empty public key field, regenerating key",
person_.name
);
let key_pair = generate_actor_keypair()?;
let form = PersonUpdateForm {
public_key: Some(key_pair.public_key),
private_key: Some(Some(key_pair.private_key)),
..Default::default()
};
Person::update(pool, person_.id, &form).await?;
}
}
Ok(())
}
/// This ensures that your local site is initialized and exists.
///
/// If a site already exists, the DB migration should generate a local_site row.
/// This will only be run for brand new sites.
async fn initialize_local_site_2022_10_10(
pool: &mut DbPool<'_>,
settings: &Settings,
) -> LemmyResult<()> {
info!("Running initialize_local_site_2022_10_10");
// Check to see if local_site exists
if LocalSite::read(pool).await.is_ok() {
return Ok(());
}
info!("No Local Site found, creating it.");
let domain = settings
.get_hostname_without_port()
.expect("must have domain");
// Upsert this to the instance table
let instance = Instance::read_or_create(pool, domain).await?;
if let Some(setup) = &settings.setup {
let person_keypair = generate_actor_keypair()?;
let person_actor_id = generate_local_apub_endpoint(
EndpointType::Person,
&setup.admin_username,
&settings.get_protocol_and_hostname(),
)?;
// Register the user if there's a site setup
let person_form = PersonInsertForm {
actor_id: Some(person_actor_id.clone()),
inbox_url: Some(generate_inbox_url()?),
private_key: Some(person_keypair.private_key),
..PersonInsertForm::new(
setup.admin_username.clone(),
person_keypair.public_key,
instance.id,
)
};
let person_inserted = Person::create(pool, &person_form).await?;
let local_user_form = LocalUserInsertForm {
email: setup.admin_email.clone(),
admin: Some(true),
..LocalUserInsertForm::new(person_inserted.id, Some(setup.admin_password.clone()))
};
LocalUser::create(pool, &local_user_form, vec![]).await?;
};
// Add an entry for the site table
let site_key_pair = generate_actor_keypair()?;
let site_actor_id = Url::parse(&settings.get_protocol_and_hostname())?;
let name = settings
.setup
.clone()
.map(|s| s.site_name)
.unwrap_or_else(|| "New Site".to_string());
let site_form = SiteInsertForm {
actor_id: Some(site_actor_id.clone().into()),
last_refreshed_at: Some(naive_now()),
inbox_url: Some(generate_inbox_url()?),
private_key: Some(site_key_pair.private_key),
public_key: Some(site_key_pair.public_key),
..SiteInsertForm::new(name, instance.id)
};
let site = Site::create(pool, &site_form).await?;
// Finally create the local_site row
let local_site_form = LocalSiteInsertForm {
site_setup: Some(settings.setup.is_some()),
..LocalSiteInsertForm::new(site.id)
};
let local_site = LocalSite::create(pool, &local_site_form).await?;
// Create the rate limit table
let local_site_rate_limit_form = LocalSiteRateLimitInsertForm {
message: Some(999),
post: Some(999),
register: Some(999),
image: Some(999),
comment: Some(999),
search: Some(999),
..LocalSiteRateLimitInsertForm::new(local_site.id)
};
// TODO these have to be set, because the database defaults are too low for the federation
// tests to pass, and there's no way to live update the rate limits without restarting the
// server.
// This can be removed once live rate limits are enabled.
LocalSiteRateLimit::create(pool, &local_site_rate_limit_form).await?;
Ok(())
}