Gotenberg/PDF gen implementation (#4574)

* Gotenberg/PDF gen implementation

* Security, PDF type enum, propagate client

* chore: query cache, clippy, fmt

* clippy fixes + tombi

* Update env example, add GOTENBERG_CALLBACK_URL

* Remove test code

* Fix .env, docker-compose

* Update purpose of payment

* Add internal networking guards to gotenberg webhooks

* Fix error

* Fix lint

apps/labrinth/src/main.rs

@@ -12,6 +12,7 @@ use labrinth::queue::email::EmailQueue;
 use labrinth::search;
 use labrinth::util::anrok;
 use labrinth::util::env::parse_var;
+use labrinth::util::gotenberg::GotenbergClient;
 use labrinth::util::ratelimit::rate_limit_middleware;
 use labrinth::{check_env_vars, clickhouse, database, file_hosting};
 use std::ffi::CStr;
@@ -200,6 +201,9 @@ async fn main() -> std::io::Result<()> {
     let email_queue =
         EmailQueue::init(pool.clone(), redis_pool.clone()).unwrap();
 
+    let gotenberg_client =
+        GotenbergClient::from_env().expect("Failed to create Gotenberg client");
+
     if let Some(task) = args.run_background_task {
         info!("Running task {task:?} and exiting");
         task.run(
@@ -249,6 +253,7 @@ async fn main() -> std::io::Result<()> {
         stripe_client,
         anrok_client.clone(),
         email_queue,
+        gotenberg_client,
         !args.no_background_tasks,
     );