continuwuity/src/core/matrix/pdu/unsigned.rs
Jason Volk 532dfd004d move core::pdu and core::state_res into core::matrix::
Signed-off-by: Jason Volk <jason@zemos.net>
2025-04-05 02:44:46 +00:00

116 lines
3 KiB
Rust

use std::collections::BTreeMap;
use ruma::MilliSecondsSinceUnixEpoch;
use serde::Deserialize;
use serde_json::value::{RawValue as RawJsonValue, Value as JsonValue, to_raw_value};
use super::Pdu;
use crate::{Result, err, implement, is_true};
#[implement(Pdu)]
pub fn remove_transaction_id(&mut self) -> Result {
use BTreeMap as Map;
let Some(unsigned) = &self.unsigned else {
return Ok(());
};
let mut unsigned: Map<&str, Box<RawJsonValue>> = serde_json::from_str(unsigned.get())
.map_err(|e| err!(Database("Invalid unsigned in pdu event: {e}")))?;
unsigned.remove("transaction_id");
self.unsigned = to_raw_value(&unsigned)
.map(Some)
.expect("unsigned is valid");
Ok(())
}
#[implement(Pdu)]
pub fn add_age(&mut self) -> Result {
use BTreeMap as Map;
let mut unsigned: Map<&str, Box<RawJsonValue>> = self
.unsigned
.as_deref()
.map(RawJsonValue::get)
.map_or_else(|| Ok(Map::new()), serde_json::from_str)
.map_err(|e| err!(Database("Invalid unsigned in pdu event: {e}")))?;
// deliberately allowing for the possibility of negative age
let now: i128 = MilliSecondsSinceUnixEpoch::now().get().into();
let then: i128 = self.origin_server_ts.into();
let this_age = now.saturating_sub(then);
unsigned.insert("age", to_raw_value(&this_age)?);
self.unsigned = Some(to_raw_value(&unsigned)?);
Ok(())
}
#[implement(Pdu)]
pub fn add_relation(&mut self, name: &str, pdu: Option<&Pdu>) -> Result {
use serde_json::Map;
let mut unsigned: Map<String, JsonValue> = self
.unsigned
.as_deref()
.map(RawJsonValue::get)
.map_or_else(|| Ok(Map::new()), serde_json::from_str)
.map_err(|e| err!(Database("Invalid unsigned in pdu event: {e}")))?;
let pdu = pdu
.map(serde_json::to_value)
.transpose()?
.unwrap_or_else(|| JsonValue::Object(Map::new()));
unsigned
.entry("m.relations")
.or_insert(JsonValue::Object(Map::new()))
.as_object_mut()
.map(|object| object.insert(name.to_owned(), pdu));
self.unsigned = Some(to_raw_value(&unsigned)?);
Ok(())
}
#[implement(Pdu)]
pub fn contains_unsigned_property<F>(&self, property: &str, is_type: F) -> bool
where
F: FnOnce(&JsonValue) -> bool,
{
self.get_unsigned_as_value()
.get(property)
.map(is_type)
.is_some_and(is_true!())
}
#[implement(Pdu)]
pub fn get_unsigned_property<T>(&self, property: &str) -> Result<T>
where
T: for<'de> Deserialize<'de>,
{
self.get_unsigned_as_value()
.get_mut(property)
.map(JsonValue::take)
.map(serde_json::from_value)
.ok_or(err!(Request(NotFound("property not found in unsigned object"))))?
.map_err(|e| err!(Database("Failed to deserialize unsigned.{property} into type: {e}")))
}
#[implement(Pdu)]
#[must_use]
pub fn get_unsigned_as_value(&self) -> JsonValue {
self.get_unsigned::<JsonValue>().unwrap_or_default()
}
#[implement(Pdu)]
pub fn get_unsigned<T>(&self) -> Result<JsonValue> {
self.unsigned
.as_ref()
.map(|raw| raw.get())
.map(serde_json::from_str)
.ok_or(err!(Request(NotFound("\"unsigned\" property not found in pdu"))))?
.map_err(|e| err!(Database("Failed to deserialize \"unsigned\" into value: {e}")))
}