Remove hardcoded upload size limit

CHANGELOG.md

@@ -14,6 +14,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ### Changed
 
 - Save latest ethereum block number to database instead of file.
+- Removed hardcoded upload size limit.
 
 ### Deprecated
 

contrib/mitra-alt-fe.nginx

@@ -36,7 +36,7 @@ server {
     add_header Content-Security-Policy "default-src 'none'; connect-src 'self'; img-src 'self' data:; media-src 'self'; script-src 'self' 'unsafe-inline'; style-src 'self' 'nonce-oauth-authorization'; frame-ancestors 'none'; base-uri 'self'; form-action 'self'";
     add_header X-Content-Type-Options "nosniff";
 
-    client_max_body_size 10M;
+    client_max_body_size 40M;
 
     location / {
         # Frontend

contrib/mitra.nginx

@@ -32,7 +32,7 @@ server {
 
     add_header Strict-Transport-Security "max-age=63072000" always;
 
-    client_max_body_size 10M;
+    client_max_body_size 40M;
 
     location / {
         proxy_pass http://127.0.0.1:8383;

src/activitypub/actors/helpers.rs

@@ -23,7 +23,7 @@ use crate::models::{
     },
 };
 
-const ACTOR_IMAGE_MAX_SIZE: usize = 5 * 1000 * 1000; // 5 MB
+pub const ACTOR_IMAGE_MAX_SIZE: usize = 5 * 1000 * 1000; // 5 MB
 
 async fn fetch_actor_images(
     instance: &Instance,

src/main.rs

@@ -36,7 +36,6 @@ use mitra::mastodon_api::settings::views::settings_api_scope;
 use mitra::mastodon_api::statuses::views::status_api_scope;
 use mitra::mastodon_api::subscriptions::views::subscription_api_scope;
 use mitra::mastodon_api::timelines::views::timeline_api_scope;
-use mitra::mastodon_api::UPLOAD_MAX_SIZE;
 use mitra::nodeinfo::views as nodeinfo;
 use mitra::webfinger::views as webfinger;
 use mitra::web_client::views as web_client;
@@ -114,6 +113,7 @@ async fn main() -> std::io::Result<()> {
                     .expose_any_header()
             },
         };
+        let payload_size_limit = 2 * config.limits.media.file_size_limit;
         let mut app = App::new()
             .wrap(cors_config)
             .wrap(ActixLogger::new("%r : %s : %{r}a"))
@@ -137,9 +137,9 @@ async fn main() -> std::io::Result<()> {
             })
             .wrap(create_auth_error_handler())
             .wrap(create_default_headers_middleware())
-            .app_data(web::PayloadConfig::default().limit(UPLOAD_MAX_SIZE * 2))
+            .app_data(web::PayloadConfig::default().limit(payload_size_limit))
             .app_data(web::JsonConfig::default()
-                .limit(UPLOAD_MAX_SIZE * 2)
+                .limit(payload_size_limit)
                 .error_handler(json_error_handler)
             )
             .app_data(web::Data::new(config.clone()))

src/mastodon_api/accounts/types.rs

@@ -6,6 +6,7 @@ use uuid::Uuid;
 
 use mitra_utils::markdown::markdown_basic_to_html;
 
+use crate::activitypub::actors::helpers::ACTOR_IMAGE_MAX_SIZE;
 use crate::errors::ValidationError;
 use crate::identity::did::Did;
 use crate::mastodon_api::{
@@ -303,6 +304,7 @@ fn process_b64_image_field_value(
                     &b64_data,
                     form_media_type,
                     output_dir,
+                    ACTOR_IMAGE_MAX_SIZE,
                     Some("image/"),
                 )?;
                 let image = ProfileImage::new(

src/mastodon_api/instance/types.rs

@@ -10,10 +10,7 @@ use mitra_config::{
 use mitra_utils::markdown::markdown_to_html;
 
 use crate::ethereum::contracts::ContractSet;
-use crate::mastodon_api::{
+use crate::mastodon_api::MASTODON_API_VERSION;
-    MASTODON_API_VERSION,
-    uploads::UPLOAD_MAX_SIZE,
-};
 use crate::media::SUPPORTED_MEDIA_TYPES;
 use crate::models::posts::validators::ATTACHMENTS_MAX_NUM;
 
@@ -163,7 +160,7 @@ impl InstanceInfo {
                 media_attachments: InstanceMediaLimits {
                     supported_mime_types: SUPPORTED_MEDIA_TYPES.iter()
                         .map(|media_type| media_type.to_string()).collect(),
-                    image_size_limit: UPLOAD_MAX_SIZE,
+                    image_size_limit: config.limits.media.file_size_limit,
                 },
             },
             login_message: config.login_message.clone(),

src/mastodon_api/media/views.rs

@@ -26,6 +26,7 @@ async fn create_attachment_view(
         &attachment_data.file,
         attachment_data.media_type.clone(),
         &config.media_dir(),
+        config.limits.media.file_size_limit,
         None,
     )?;
     let db_attachment = create_attachment(

src/mastodon_api/mod.rs

@@ -18,4 +18,3 @@ mod pagination;
 mod uploads;
 
 const MASTODON_API_VERSION: &str = "4.0.0";
-pub use uploads::UPLOAD_MAX_SIZE;

src/mastodon_api/uploads.rs

@@ -5,8 +5,6 @@ use mitra_utils::files::sniff_media_type;
 use crate::media::{save_file, SUPPORTED_MEDIA_TYPES};
 use super::errors::MastodonError;
 
-pub const UPLOAD_MAX_SIZE: usize = 1024 * 1024 * 5;
-
 #[derive(thiserror::Error, Debug)]
 pub enum UploadError {
     #[error(transparent)]
@@ -37,11 +35,12 @@ pub fn save_b64_file(
     b64data: &str,
     maybe_media_type: Option<String>,
     output_dir: &Path,
-    maybe_expected_prefix: Option<&str>, // deprecated
+    file_size_limit: usize,
+    maybe_expected_prefix: Option<&str>,
 ) -> Result<(String, usize, String), UploadError> {
     let file_data = base64::decode(b64data)?;
     let file_size = file_data.len();
-    if file_size > UPLOAD_MAX_SIZE {
+    if file_size > file_size_limit {
         return Err(UploadError::TooLarge);
     };
     // Sniff media type if not provided