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feat: media

This commit is contained in:
timokoesters 2020-05-18 17:53:34 +02:00
parent 42ae433b25
commit 821c608c6a
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GPG Key ID: 24DA7517711A2BA4
5 changed files with 132 additions and 13 deletions
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69
src/client_server.rs
View File

@ -16,7 +16,7 @@ use ruma_client_api::{
directory::{self, get_public_rooms_filtered},
filter::{self, create_filter, get_filter},
keys::{claim_keys, get_keys, upload_keys},
media::get_media_config,
media::{create_content, get_content_thumbnail, get_content, get_media_config},
membership::{
forget_room, get_member_events, invite_user, join_room_by_id, join_room_by_id_or_alias,
leave_room,
@ -53,6 +53,7 @@ const GUEST_NAME_LENGTH: usize = 10;
const DEVICE_ID_LENGTH: usize = 10;
const SESSION_ID_LENGTH: usize = 256;
const TOKEN_LENGTH: usize = 256;
const MXC_LENGTH: usize = 256;
#[get("/_matrix/client/versions")]
pub fn get_supported_versions_route() -> MatrixResult<get_supported_versions::Response> {
@ -1259,7 +1260,7 @@ pub fn create_message_event_route(
body.room_id.clone(),
user_id.clone(),
body.event_type.clone(),
body.json_body.clone(),
body.json_body.clone().unwrap(),
Some(unsigned),
None,
&db.globals,
@ -1291,7 +1292,7 @@ pub fn create_state_event_for_key_route(
body.room_id.clone(),
user_id.clone(),
body.event_type.clone(),
body.json_body.clone(),
body.json_body.clone().unwrap(),
None,
Some(body.state_key.clone()),
&db.globals,
@ -1322,7 +1323,7 @@ pub fn create_state_event_for_empty_key_route(
body.room_id.clone(),
user_id.clone(),
body.event_type.clone(),
body.json_body.clone(),
body.json_body.clone().unwrap(),
None,
Some("".to_owned()),
&db.globals,
@ -1766,10 +1767,68 @@ pub fn send_event_to_device_route(
pub fn get_media_config_route() -> MatrixResult<get_media_config::Response> {
warn!("TODO: get_media_config_route");
MatrixResult(Ok(get_media_config::Response {
upload_size: 0_u32.into(),
upload_size: (20_u32 * 1024 * 1024).into(), // 20 MB
}))
}
#[post("/_matrix/media/r0/upload", data = "<body>")]
pub fn create_content_route(
db: State<'_, Database>,
body: Ruma<create_content::Request>,
) -> MatrixResult<create_content::Response> {
let mxc = format!("mxc://{}/{}", db.globals.server_name(), utils::random_string(MXC_LENGTH));
db.media
.create(mxc.clone(), body.filename.as_ref(), &body.content_type, &body.file)
.unwrap();
MatrixResult(Ok(create_content::Response {
content_uri: mxc,
}))
}
#[get("/_matrix/media/r0/download/<_server_name>/<_media_id>", data = "<body>")]
pub fn get_content_route(
db: State<'_, Database>,
body: Ruma<get_content::Request>,
_server_name: String,
_media_id: String,
) -> MatrixResult<get_content::Response> {
if let Some((filename, content_type, file)) = db.media.get(format!("mxc://{}/{}", body.server_name, body.media_id)).unwrap() {
MatrixResult(Ok(get_content::Response {
file,
content_type,
content_disposition: filename.unwrap_or_default(), // TODO: Spec says this should be optional
}))
} else {
MatrixResult(Err(Error {
kind: ErrorKind::NotFound,
message: "Media not found.".to_owned(),
status_code: http::StatusCode::NOT_FOUND,
}))
}
}
#[get("/_matrix/media/r0/thumbnail/<_server_name>/<_media_id>", data = "<body>")]
pub fn get_content_thumbnail_route(
db: State<'_, Database>,
body: Ruma<get_content_thumbnail::Request>,
_server_name: String,
_media_id: String,
) -> MatrixResult<get_content_thumbnail::Response> {
if let Some((_, content_type, file)) = db.media.get(format!("mxc://{}/{}", body.server_name, body.media_id)).unwrap() {
MatrixResult(Ok(get_content_thumbnail::Response {
file,
content_type,
}))
} else {
MatrixResult(Err(Error {
kind: ErrorKind::NotFound,
message: "Media not found.".to_owned(),
status_code: http::StatusCode::NOT_FOUND,
}))
}
}
#[options("/<_segments..>")]
pub fn options_route(
_segments: rocket::http::uri::Segments<'_>,

5
src/database.rs
View File

@ -1,6 +1,7 @@
pub(self) mod account_data;
pub(self) mod global_edus;
pub(self) mod globals;
pub(self) mod media;
pub(self) mod rooms;
pub(self) mod users;
@ -15,6 +16,7 @@ pub struct Database {
pub rooms: rooms::Rooms,
pub account_data: account_data::AccountData,
pub global_edus: global_edus::GlobalEdus,
pub media: media::Media,
pub _db: sled::Db,
}
@ -88,6 +90,9 @@ impl Database {
//globalallid_globalall: db.open_tree("globalallid_globalall").unwrap(),
globallatestid_globallatest: db.open_tree("globallatestid_globallatest").unwrap(), // Presence
},
media: media::Media {
mediaid_file: db.open_tree("mediaid_file").unwrap(),
},
_db: db,
}
}

56
src/database/media.rs Normal file
View File

@ -0,0 +1,56 @@
use crate::{utils, Error, Result};
pub struct Media {
pub(super) mediaid_file: sled::Tree, // MediaId = MXC + Filename + ContentType
}
impl Media {
/// Uploads or replaces a file.
pub fn create(
&self,
mxc: String,
filename: Option<&String>,
content_type: &str,
file: &[u8],
) -> Result<()> {
let mut key = mxc.as_bytes().to_vec();
key.push(0xff);
key.extend_from_slice(filename.map(|f| f.as_bytes()).unwrap_or_default());
key.push(0xff);
key.extend_from_slice(content_type.as_bytes());
self.mediaid_file.insert(key, file)?;
Ok(())
}
/// Downloads a file.
pub fn get(&self, mxc: String) -> Result<Option<(Option<String>, String, Vec<u8>)>> {
let mut prefix = mxc.as_bytes().to_vec();
prefix.push(0xff);
if let Some(r) = self.mediaid_file.scan_prefix(&prefix).next() {
let (key, file) = r?;
let mut parts = key.split(|&b| b == 0xff).skip(1);
let filename_bytes = parts
.next()
.ok_or(Error::BadDatabase("mediaid is invalid"))?;
let filename = if filename_bytes.is_empty() {
None
} else {
Some(utils::string_from_bytes(filename_bytes)?)
};
let content_type = utils::string_from_bytes(
parts
.next()
.ok_or(Error::BadDatabase("mediaid is invalid"))?,
)?;
Ok(Some((filename, content_type, file.to_vec())))
} else {
Ok(None)
}
}
}

3
src/main.rs
View File

@ -71,6 +71,9 @@ fn setup_rocket() -> rocket::Rocket {
client_server::publicised_groups_route,
client_server::send_event_to_device_route,
client_server::get_media_config_route,
client_server::create_content_route,
client_server::get_content_route,
client_server::get_content_thumbnail_route,
client_server::options_route,
server_server::well_known_server,
server_server::get_server_version,

12
src/ruma_wrapper.rs
View File

@ -11,7 +11,7 @@ use ruma_identifiers::UserId;
use std::{convert::TryInto, io::Cursor, ops::Deref};
use tokio::io::AsyncReadExt;
const MESSAGE_LIMIT: u64 = 65535;
const MESSAGE_LIMIT: u64 = 20 * 1024 * 1024; // 20 MB
/// This struct converts rocket requests into ruma structs by converting them into http requests
/// first.
@ -19,7 +19,7 @@ pub struct Ruma<T> {
body: T,
pub user_id: Option<UserId>,
pub device_id: Option<String>,
pub json_body: serde_json::Value,
pub json_body: Option<serde_json::Value>, // This is None if parsing failed (for raw byte bodies)
}
impl<'a, T: Endpoint> FromData<'a> for Ruma<T> {
@ -85,12 +85,8 @@ impl<'a, T: Endpoint> FromData<'a> for Ruma<T> {
body: t,
user_id,
device_id,
// TODO: Can we avoid parsing it again?
json_body: if !body.is_empty() {
serde_json::from_slice(&body).expect("Ruma already parsed it successfully")
} else {
serde_json::Value::default()
},
// TODO: Can we avoid parsing it again? (We only need this for append_pdu)
json_body: serde_json::from_slice(&body).ok()
}),
Err(e) => {
warn!("{:?}", e);