Remove encryption logic as it is handled by matrix-sdk e2e-encryption feature directly

matrixgw_backend/Cargo.toml

@@ -27,8 +27,8 @@ ipnet = { version = "2.11.0", features = ["serde"] }
 rand = "0.9.2"
 hex = "0.4.3"
 mailchecker = "6.0.19"
-matrix-sdk = { version = "0.16.0" }
-matrix-sdk-ui = "0.14.0"
+matrix-sdk = { version = "0.16.0", features = ["e2e-encryption"] }
+matrix-sdk-ui = "0.16.0"
 url = "2.5.7"
 ractor = "0.15.9"
 serde_json = "1.0.145"

matrixgw_backend/src/controllers/matrix/matrix_media_controller.rs

@@ -4,11 +4,9 @@ use crate::utils::crypt_utils::sha512;
 use actix_web::dev::Payload;
 use actix_web::http::header;
 use actix_web::{FromRequest, HttpRequest, HttpResponse, web};
-use matrix_sdk::crypto::{AttachmentDecryptor, MediaEncryptionInfo};
 use matrix_sdk::media::{MediaFormat, MediaRequestParameters, MediaThumbnailSettings};
 use matrix_sdk::ruma::events::room::MediaSource;
 use matrix_sdk::ruma::{OwnedMxcUri, UInt};
-use std::io::{Cursor, Read};
 
 #[derive(serde::Deserialize)]
 pub struct MediaMXCInPath {
@@ -54,21 +52,6 @@ pub async fn serve_media(req: HttpRequest, source: MediaSource, thumbnail: bool)
         )
         .await?;
 
-    // Decrypt file if needed
-    let media = if let MediaSource::Encrypted(file) = source {
-        let mut cursor = Cursor::new(media);
-        let mut decryptor =
-            AttachmentDecryptor::new(&mut cursor, MediaEncryptionInfo::from(*file))?;
-
-        let mut decrypted_data = Vec::new();
-
-        decryptor.read_to_end(&mut decrypted_data)?;
-
-        decrypted_data
-    } else {
-        media
-    };
-
     let digest = sha512(&media);
 
     let mime_type = infer::get(&media).map(|x| x.mime_type());

matrixgw_backend/src/controllers/matrix/matrix_space_controller.rs

@@ -11,7 +11,9 @@ pub async fn hierarchy(client: MatrixClientExtractor) -> HttpResult {
     let space_service = SpaceService::new(client.client.client);
     let mut hierarchy = HashMap::new();
     for space in spaces {
-        let rooms = space_service.space_room_list(space.room_id().to_owned());
+        let rooms = space_service
+            .space_room_list(space.room_id().to_owned())
+            .await;
         while !matches!(
             rooms.pagination_state(),
             SpaceRoomListPaginationState::Idle { end_reached: true }