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feat: image thumbnails

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timokoesters 2020-05-19 18:31:34 +02:00
parent 61f4f2c716
commit d544d28b6e
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6 changed files with 365 additions and 112 deletions
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@ -1,5 +1,11 @@
# This file is automatically @generated by Cargo. # This file is automatically @generated by Cargo.
# It is not intended for manual editing. # It is not intended for manual editing.
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name = "syn" name = "syn"
version = "1.0.21" version = "1.0.22"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4696caa4048ac7ce2bcd2e484b3cef88c1004e41b8e945a277e2c25dc0b72060" checksum = "1425de3c33b0941002740a420b1a906a350b88d08b82b2c8a01035a3f9447bac"
dependencies = [ dependencies = [
"proc-macro2 1.0.12", "proc-macro2 1.0.13",
"quote 1.0.5", "quote 1.0.6",
"unicode-xid 0.2.0", "unicode-xid 0.2.0",
] ]
@ -1524,22 +1656,22 @@ dependencies = [
[[package]] [[package]]
name = "thiserror" name = "thiserror"
version = "1.0.17" version = "1.0.18"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "467e5ff447618a916519a4e0d62772ab14f434897f3d63f05d8700ef1e9b22c1" checksum = "5976891d6950b4f68477850b5b9e5aa64d955961466f9e174363f573e54e8ca7"
dependencies = [ dependencies = [
"thiserror-impl", "thiserror-impl",
] ]
[[package]] [[package]]
name = "thiserror-impl" name = "thiserror-impl"
version = "1.0.17" version = "1.0.18"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e63c1091225b9834089b429bc4a2e01223470e3183e891582909e9d1c4cb55d9" checksum = "ab81dbd1cd69cd2ce22ecfbdd3bdb73334ba25350649408cc6c085f46d89573d"
dependencies = [ dependencies = [
"proc-macro2 1.0.12", "proc-macro2 1.0.13",
"quote 1.0.5", "quote 1.0.6",
"syn 1.0.21", "syn 1.0.22",
] ]
[[package]] [[package]]
@ -1581,16 +1713,16 @@ version = "0.2.5"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389" checksum = "f0c3acc6aa564495a0f2e1d59fab677cd7f81a19994cfc7f3ad0e64301560389"
dependencies = [ dependencies = [
"proc-macro2 1.0.12", "proc-macro2 1.0.13",
"quote 1.0.5", "quote 1.0.6",
"syn 1.0.21", "syn 1.0.22",
] ]
[[package]] [[package]]
name = "tokio-rustls" name = "tokio-rustls"
version = "0.12.2" version = "0.12.3"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "141afec0978abae6573065a48882c6bae44c5cc61db9b511ac4abf6a09bfd9cc" checksum = "3068d891551949b37681724d6b73666787cc63fa8e255c812a41d2513aff9775"
dependencies = [ dependencies = [
"futures-core", "futures-core",
"rustls", "rustls",
@ -1760,9 +1892,9 @@ dependencies = [
"bumpalo", "bumpalo",
"lazy_static", "lazy_static",
"log", "log",
"proc-macro2 1.0.12", "proc-macro2 1.0.13",
"quote 1.0.5", "quote 1.0.6",
"syn 1.0.21", "syn 1.0.22",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]
@ -1784,7 +1916,7 @@ version = "0.2.62"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2cd85aa2c579e8892442954685f0d801f9129de24fa2136b2c6a539c76b65776" checksum = "2cd85aa2c579e8892442954685f0d801f9129de24fa2136b2c6a539c76b65776"
dependencies = [ dependencies = [
"quote 1.0.5", "quote 1.0.6",
"wasm-bindgen-macro-support", "wasm-bindgen-macro-support",
] ]
@ -1794,9 +1926,9 @@ version = "0.2.62"
source = "registry+https://github.com/rust-lang/crates.io-index" source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8eb197bd3a47553334907ffd2f16507b4f4f01bbec3ac921a7719e0decdfe72a" checksum = "8eb197bd3a47553334907ffd2f16507b4f4f01bbec3ac921a7719e0decdfe72a"
dependencies = [ dependencies = [
"proc-macro2 1.0.12", "proc-macro2 1.0.13",
"quote 1.0.5", "quote 1.0.6",
"syn 1.0.21", "syn 1.0.22",
"wasm-bindgen-backend", "wasm-bindgen-backend",
"wasm-bindgen-shared", "wasm-bindgen-shared",
] ]

9
Cargo.toml
View File

@ -14,10 +14,10 @@ edition = "2018"
[dependencies] [dependencies]
rocket = { git = "https://github.com/SergioBenitez/Rocket.git", branch = "async", features = ["tls"] } rocket = { git = "https://github.com/SergioBenitez/Rocket.git", branch = "async", features = ["tls"] }
http = "0.2.1" http = "0.2.1"
ruma-client-api = "0.8.0" ruma-client-api = { git = "https://github.com/ruma/ruma-client-api.git" }
ruma-identifiers = { version = "0.16.1", features = ["rand"] } ruma-identifiers = { version = "0.16.1", features = ["rand"] }
ruma-api = "0.16.1" ruma-api = "0.16.1"
ruma-events = "0.21.1" ruma-events = "0.21.2"
ruma-signatures = { git = "https://github.com/ruma/ruma-signatures.git", rev = "1ca545cba8dfd43e0fc8e3c18e1311fb73390a97" } ruma-signatures = { git = "https://github.com/ruma/ruma-signatures.git", rev = "1ca545cba8dfd43e0fc8e3c18e1311fb73390a97" }
ruma-federation-api = { git = "https://github.com/ruma/ruma-federation-api.git", rev = "ccbf216f39bbbaa59131cc200eae5bd18aa1947c" } ruma-federation-api = { git = "https://github.com/ruma/ruma-federation-api.git", rev = "ccbf216f39bbbaa59131cc200eae5bd18aa1947c" }
log = "0.4.8" log = "0.4.8"
@ -31,5 +31,6 @@ rand = "0.7.3"
rust-argon2 = "0.8.2" rust-argon2 = "0.8.2"
reqwest = "0.10.4" reqwest = "0.10.4"
base64 = "0.12.1" base64 = "0.12.1"
thiserror = "1.0.17" thiserror = "1.0.18"
ruma-common = "0.1.1" ruma-common = "0.1.2"
image = { version = "0.23.4", default-features = false, features = ["jpeg", "png", "gif"] }

3
README.md
View File

@ -26,13 +26,14 @@ A fast Matrix homeserver that's optimized for smaller, personal servers, instead
- [x] Typing indications - [x] Typing indications
- [x] Invites, user search - [x] Invites, user search
- [x] Password hashing - [x] Password hashing
- [x] Riot E2EE
- [x] Media
- [ ] Basic federation - [ ] Basic federation
- [ ] State resolution - [ ] State resolution
- [ ] Permission system - [ ] Permission system
- [ ] Notifications (push rules) - [ ] Notifications (push rules)
- [ ] Riot presence - [ ] Riot presence
- [ ] Proper room creation - [ ] Proper room creation
- [ ] Riot E2EE
#### How can I contribute? #### How can I contribute?

63
src/client_server.rs
View File

@ -16,7 +16,7 @@ use ruma_client_api::{
directory::{self, get_public_rooms, get_public_rooms_filtered}, directory::{self, get_public_rooms, get_public_rooms_filtered},
filter::{self, create_filter, get_filter}, filter::{self, create_filter, get_filter},
keys::{claim_keys, get_keys, upload_keys}, keys::{claim_keys, get_keys, upload_keys},
media::{create_content, get_content_thumbnail, get_content, get_media_config}, media::{create_content, get_content, get_content_thumbnail, get_media_config},
membership::{ membership::{
forget_room, get_member_events, invite_user, join_room_by_id, join_room_by_id_or_alias, forget_room, get_member_events, invite_user, join_room_by_id, join_room_by_id_or_alias,
leave_room, leave_room,
@ -1307,9 +1307,7 @@ pub fn create_message_event_route(
) )
.expect("message events are always okay"); .expect("message events are always okay");
MatrixResult(Ok(create_message_event::Response { MatrixResult(Ok(create_message_event::Response { event_id }))
event_id: Some(event_id),
}))
} }
#[put( #[put(
@ -1339,9 +1337,7 @@ pub fn create_state_event_for_key_route(
) )
.unwrap(); .unwrap();
MatrixResult(Ok(create_state_event_for_key::Response { MatrixResult(Ok(create_state_event_for_key::Response { event_id }))
event_id: Some(event_id),
}))
} }
#[put( #[put(
@ -1370,9 +1366,7 @@ pub fn create_state_event_for_empty_key_route(
) )
.unwrap(); .unwrap();
MatrixResult(Ok(create_state_event_for_empty_key::Response { MatrixResult(Ok(create_state_event_for_empty_key::Response { event_id }))
event_id: Some(event_id),
}))
} }
#[get("/_matrix/client/r0/rooms/<_room_id>/state", data = "<body>")] #[get("/_matrix/client/r0/rooms/<_room_id>/state", data = "<body>")]
@ -1805,7 +1799,6 @@ pub fn send_event_to_device_route(
#[get("/_matrix/media/r0/config")] #[get("/_matrix/media/r0/config")]
pub fn get_media_config_route() -> MatrixResult<get_media_config::Response> { pub fn get_media_config_route() -> MatrixResult<get_media_config::Response> {
warn!("TODO: get_media_config_route");
MatrixResult(Ok(get_media_config::Response { MatrixResult(Ok(get_media_config::Response {
upload_size: (20_u32 * 1024 * 1024).into(), // 20 MB upload_size: (20_u32 * 1024 * 1024).into(), // 20 MB
})) }))
@ -1816,24 +1809,38 @@ pub fn create_content_route(
db: State<'_, Database>, db: State<'_, Database>,
body: Ruma<create_content::Request>, body: Ruma<create_content::Request>,
) -> MatrixResult<create_content::Response> { ) -> MatrixResult<create_content::Response> {
let mxc = format!("mxc://{}/{}", db.globals.server_name(), utils::random_string(MXC_LENGTH)); let mxc = format!(
"mxc://{}/{}",
db.globals.server_name(),
utils::random_string(MXC_LENGTH)
);
db.media db.media
.create(mxc.clone(), body.filename.as_ref(), &body.content_type, &body.file) .create(
mxc.clone(),
body.filename.as_ref(),
&body.content_type,
&body.file,
)
.unwrap(); .unwrap();
MatrixResult(Ok(create_content::Response { MatrixResult(Ok(create_content::Response { content_uri: mxc }))
content_uri: mxc,
}))
} }
#[get("/_matrix/media/r0/download/<_server_name>/<_media_id>", data = "<body>")] #[get(
"/_matrix/media/r0/download/<_server_name>/<_media_id>",
data = "<body>"
)]
pub fn get_content_route( pub fn get_content_route(
db: State<'_, Database>, db: State<'_, Database>,
body: Ruma<get_content::Request>, body: Ruma<get_content::Request>,
_server_name: String, _server_name: String,
_media_id: String, _media_id: String,
) -> MatrixResult<get_content::Response> { ) -> MatrixResult<get_content::Response> {
if let Some((filename, content_type, file)) = db.media.get(format!("mxc://{}/{}", body.server_name, body.media_id)).unwrap() { if let Some((filename, content_type, file)) = db
.media
.get(format!("mxc://{}/{}", body.server_name, body.media_id))
.unwrap()
{
MatrixResult(Ok(get_content::Response { MatrixResult(Ok(get_content::Response {
file, file,
content_type, content_type,
@ -1848,18 +1855,26 @@ pub fn get_content_route(
} }
} }
#[get("/_matrix/media/r0/thumbnail/<_server_name>/<_media_id>", data = "<body>")] #[get(
"/_matrix/media/r0/thumbnail/<_server_name>/<_media_id>",
data = "<body>"
)]
pub fn get_content_thumbnail_route( pub fn get_content_thumbnail_route(
db: State<'_, Database>, db: State<'_, Database>,
body: Ruma<get_content_thumbnail::Request>, body: Ruma<get_content_thumbnail::Request>,
_server_name: String, _server_name: String,
_media_id: String, _media_id: String,
) -> MatrixResult<get_content_thumbnail::Response> { ) -> MatrixResult<get_content_thumbnail::Response> {
if let Some((_, content_type, file)) = db.media.get(format!("mxc://{}/{}", body.server_name, body.media_id)).unwrap() { if let Some((_, content_type, file)) = db
MatrixResult(Ok(get_content_thumbnail::Response { .media
file, .get_thumbnail(
content_type, format!("mxc://{}/{}", body.server_name, body.media_id),
})) body.width.try_into().unwrap(),
body.height.try_into().unwrap(),
)
.unwrap()
{
MatrixResult(Ok(get_content_thumbnail::Response { file, content_type }))
} else { } else {
MatrixResult(Err(Error { MatrixResult(Err(Error {
kind: ErrorKind::NotFound, kind: ErrorKind::NotFound,

103
src/database/media.rs
View File

@ -1,7 +1,8 @@
use crate::{utils, Error, Result}; use crate::{utils, Error, Result};
use std::mem;
pub struct Media { pub struct Media {
pub(super) mediaid_file: sled::Tree, // MediaId = MXC + Filename + ContentType pub(super) mediaid_file: sled::Tree, // MediaId = MXC + WidthHeight + Filename + ContentType
} }
impl Media { impl Media {
@ -15,6 +16,9 @@ impl Media {
) -> Result<()> { ) -> Result<()> {
let mut key = mxc.as_bytes().to_vec(); let mut key = mxc.as_bytes().to_vec();
key.push(0xff); key.push(0xff);
key.extend_from_slice(&0_u32.to_be_bytes()); // Width = 0 if it's not a thumbnail
key.extend_from_slice(&0_u32.to_be_bytes()); // Height = 0 if it's not a thumbnail
key.push(0xff);
key.extend_from_slice(filename.map(|f| f.as_bytes()).unwrap_or_default()); key.extend_from_slice(filename.map(|f| f.as_bytes()).unwrap_or_default());
key.push(0xff); key.push(0xff);
key.extend_from_slice(content_type.as_bytes()); key.extend_from_slice(content_type.as_bytes());
@ -28,10 +32,19 @@ impl Media {
pub fn get(&self, mxc: String) -> Result<Option<(Option<String>, String, Vec<u8>)>> { pub fn get(&self, mxc: String) -> Result<Option<(Option<String>, String, Vec<u8>)>> {
let mut prefix = mxc.as_bytes().to_vec(); let mut prefix = mxc.as_bytes().to_vec();
prefix.push(0xff); prefix.push(0xff);
prefix.extend_from_slice(&0_u32.to_be_bytes()); // Width = 0 if it's not a thumbnail
prefix.extend_from_slice(&0_u32.to_be_bytes()); // Height = 0 if it's not a thumbnail
prefix.push(0xff);
if let Some(r) = self.mediaid_file.scan_prefix(&prefix).next() { if let Some(r) = self.mediaid_file.scan_prefix(&prefix).next() {
let (key, file) = r?; let (key, file) = r?;
let mut parts = key.split(|&b| b == 0xff).skip(1); let mut parts = key.rsplit(|&b| b == 0xff);
let content_type = utils::string_from_bytes(
parts
.next()
.ok_or(Error::BadDatabase("mediaid is invalid"))?,
)?;
let filename_bytes = parts let filename_bytes = parts
.next() .next()
@ -42,13 +55,99 @@ impl Media {
Some(utils::string_from_bytes(filename_bytes)?) Some(utils::string_from_bytes(filename_bytes)?)
}; };
Ok(Some((filename, content_type, file.to_vec())))
} else {
Ok(None)
}
}
/// Downloads a file's thumbnail.
pub fn get_thumbnail(
&self,
mxc: String,
width: u32,
height: u32,
) -> Result<Option<(Option<String>, String, Vec<u8>)>> {
let mut main_prefix = mxc.as_bytes().to_vec();
main_prefix.push(0xff);
let mut thumbnail_prefix = main_prefix.clone();
thumbnail_prefix.extend_from_slice(&width.to_be_bytes());
thumbnail_prefix.extend_from_slice(&height.to_be_bytes());
thumbnail_prefix.push(0xff);
let mut original_prefix = main_prefix;
original_prefix.extend_from_slice(&0_u32.to_be_bytes()); // Width = 0 if it's not a thumbnail
original_prefix.extend_from_slice(&0_u32.to_be_bytes()); // Height = 0 if it's not a thumbnail
original_prefix.push(0xff);
if let Some(r) = self.mediaid_file.scan_prefix(&thumbnail_prefix).next() {
// Using saved thumbnail
let (key, file) = r?;
let mut parts = key.rsplit(|&b| b == 0xff);
let content_type = utils::string_from_bytes( let content_type = utils::string_from_bytes(
parts parts
.next() .next()
.ok_or(Error::BadDatabase("mediaid is invalid"))?, .ok_or(Error::BadDatabase("mediaid is invalid"))?,
)?; )?;
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)?)
};
Ok(Some((filename, content_type, file.to_vec()))) Ok(Some((filename, content_type, file.to_vec())))
} else if let Some(r) = self.mediaid_file.scan_prefix(&original_prefix).next() {
// Generate a thumbnail
let (key, file) = r?;
let mut parts = key.rsplit(|&b| b == 0xff);
let content_type = utils::string_from_bytes(
parts
.next()
.ok_or(Error::BadDatabase("mediaid is invalid"))?,
)?;
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)?)
};
if let Ok(image) = image::load_from_memory(&file) {
let thumbnail = image.thumbnail(width, height);
let mut thumbnail_bytes = Vec::new();
thumbnail.write_to(&mut thumbnail_bytes, image::ImageOutputFormat::Jpeg(75))?;
// Save thumbnail in database so we don't have to generate it again next time
let mut thumbnail_key = key.to_vec();
let width_index = thumbnail_key
.iter()
.position(|&b| b == 0xff)
.ok_or(Error::BadDatabase("mediaid is invalid"))?
+ 1;
let mut widthheight = width.to_be_bytes().to_vec();
widthheight.extend_from_slice(&height.to_be_bytes());
thumbnail_key.splice(
width_index..width_index + 2 * mem::size_of::<u32>(),
widthheight,
);
self.mediaid_file.insert(thumbnail_key, &*thumbnail_bytes)?;
Ok(Some((filename, content_type, thumbnail_bytes)))
} else {
Ok(None)
}
} else { } else {
Ok(None) Ok(None)
} }

5
src/error.rs
View File

@ -29,6 +29,11 @@ pub enum Error {
#[from] #[from]
source: ruma_events::InvalidEvent, source: ruma_events::InvalidEvent,
}, },
#[error("could not generate image")]
ImageError {
#[from]
source: image::error::ImageError,
},
#[error("bad request")] #[error("bad request")]
BadRequest(&'static str), BadRequest(&'static str),
#[error("problem in that database")] #[error("problem in that database")]