Add post rpc (#3697)

Cargo.toml

@@ -83,7 +83,7 @@ surrealdb = { version = "1", path = "lib", features = [
 	"protocol-http",
 	"protocol-ws",
 	"rustls",
-	"sql2"
+	"sql2",
 ] }
 tempfile = "3.8.1"
 thiserror = "1.0.50"

core/src/lib.rs

@@ -40,6 +40,8 @@ pub mod obs;
 #[doc(hidden)]
 pub mod options;
 #[doc(hidden)]
+pub mod rpc;
+#[doc(hidden)]
 pub mod syn;
 
 #[doc(hidden)]

core/src/rpc/args.rs

@@ -0,0 +1,62 @@
+use crate::sql::Array;
+use crate::sql::Value;
+
+use super::rpc_error::RpcError;
+
+pub trait Take {
+	fn needs_one(self) -> Result<Value, RpcError>;
+	fn needs_two(self) -> Result<(Value, Value), RpcError>;
+	fn needs_one_or_two(self) -> Result<(Value, Value), RpcError>;
+	fn needs_one_two_or_three(self) -> Result<(Value, Value, Value), RpcError>;
+}
+
+impl Take for Array {
+	/// Convert the array to one argument
+	fn needs_one(self) -> Result<Value, RpcError> {
+		if self.len() != 1 {
+			return Err(RpcError::InvalidParams);
+		}
+		let mut x = self.into_iter();
+		match x.next() {
+			Some(a) => Ok(a),
+			None => Ok(Value::None),
+		}
+	}
+	/// Convert the array to two arguments
+	fn needs_two(self) -> Result<(Value, Value), RpcError> {
+		if self.len() != 2 {
+			return Err(RpcError::InvalidParams);
+		}
+		let mut x = self.into_iter();
+		match (x.next(), x.next()) {
+			(Some(a), Some(b)) => Ok((a, b)),
+			(Some(a), None) => Ok((a, Value::None)),
+			(_, _) => Ok((Value::None, Value::None)),
+		}
+	}
+	/// Convert the array to two arguments
+	fn needs_one_or_two(self) -> Result<(Value, Value), RpcError> {
+		if self.is_empty() && self.len() > 2 {
+			return Err(RpcError::InvalidParams);
+		}
+		let mut x = self.into_iter();
+		match (x.next(), x.next()) {
+			(Some(a), Some(b)) => Ok((a, b)),
+			(Some(a), None) => Ok((a, Value::None)),
+			(_, _) => Ok((Value::None, Value::None)),
+		}
+	}
+	/// Convert the array to three arguments
+	fn needs_one_two_or_three(self) -> Result<(Value, Value, Value), RpcError> {
+		if self.is_empty() && self.len() > 3 {
+			return Err(RpcError::InvalidParams);
+		}
+		let mut x = self.into_iter();
+		match (x.next(), x.next(), x.next()) {
+			(Some(a), Some(b), Some(c)) => Ok((a, b, c)),
+			(Some(a), Some(b), None) => Ok((a, b, Value::None)),
+			(Some(a), None, None) => Ok((a, Value::None, Value::None)),
+			(_, _, _) => Ok((Value::None, Value::None, Value::None)),
+		}
+	}
+}

core/src/rpc/basic_context.rs

@@ -0,0 +1,94 @@
+use std::collections::BTreeMap;
+
+use crate::{
+	dbs::Session,
+	kvs::Datastore,
+	rpc::RpcContext,
+	sql::{Array, Value},
+};
+
+use super::{args::Take, Data, RpcError};
+
+pub struct BasicRpcContext<'a> {
+	pub kvs: &'a Datastore,
+	pub session: Session,
+	pub vars: BTreeMap<String, Value>,
+	pub version_string: String,
+}
+
+impl<'a> BasicRpcContext<'a> {
+	pub fn new(
+		kvs: &'a Datastore,
+		session: Session,
+		vars: BTreeMap<String, Value>,
+		version_string: String,
+	) -> Self {
+		Self {
+			kvs,
+			session,
+			vars,
+			version_string,
+		}
+	}
+}
+
+impl RpcContext for BasicRpcContext<'_> {
+	fn kvs(&self) -> &Datastore {
+		self.kvs
+	}
+
+	fn session(&self) -> &Session {
+		&self.session
+	}
+
+	fn session_mut(&mut self) -> &mut Session {
+		&mut self.session
+	}
+
+	fn vars(&self) -> &BTreeMap<String, Value> {
+		&self.vars
+	}
+
+	fn vars_mut(&mut self) -> &mut BTreeMap<String, Value> {
+		&mut self.vars
+	}
+
+	fn version_data(&self) -> impl Into<super::Data> {
+		Value::Strand(self.version_string.clone().into())
+	}
+
+	// reimplimentaions:
+
+	async fn signup(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Object(v)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		let out: Result<Value, RpcError> =
+			crate::iam::signup::signup(self.kvs, &mut self.session, v)
+				.await
+				.map(Into::into)
+				.map_err(Into::into);
+
+		out
+	}
+
+	async fn signin(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Object(v)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		let out: Result<Value, RpcError> =
+			crate::iam::signin::signin(self.kvs, &mut self.session, v)
+				.await
+				.map(Into::into)
+				.map_err(Into::into);
+		out
+	}
+
+	async fn authenticate(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Strand(token)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		crate::iam::verify::token(self.kvs, &mut self.session, &token.0).await?;
+		Ok(Value::None)
+	}
+}

core/src/rpc/method.rs

@@ -0,0 +1,111 @@
+#[non_exhaustive]
+pub enum Method {
+	Unknown,
+	Ping,
+	Info,
+	Use,
+	Signup,
+	Signin,
+	Invalidate,
+	Authenticate,
+	Kill,
+	Live,
+	Set,
+	Unset,
+	Select,
+	Insert,
+	Create,
+	Update,
+	Merge,
+	Patch,
+	Delete,
+	Version,
+	Query,
+	Relate,
+}
+
+impl Method {
+	pub fn parse<S>(s: S) -> Self
+	where
+		S: AsRef<str>,
+	{
+		match s.as_ref().to_lowercase().as_str() {
+			"ping" => Self::Ping,
+			"info" => Self::Info,
+			"use" => Self::Use,
+			"signup" => Self::Signup,
+			"signin" => Self::Signin,
+			"invalidate" => Self::Invalidate,
+			"authenticate" => Self::Authenticate,
+			"kill" => Self::Kill,
+			"live" => Self::Live,
+			"let" | "set" => Self::Set,
+			"unset" => Self::Unset,
+			"select" => Self::Select,
+			"insert" => Self::Insert,
+			"create" => Self::Create,
+			"update" => Self::Update,
+			"merge" => Self::Merge,
+			"patch" => Self::Patch,
+			"delete" => Self::Delete,
+			"version" => Self::Version,
+			"query" => Self::Query,
+			"relate" => Self::Relate,
+			_ => Self::Unknown,
+		}
+	}
+}
+
+impl Method {
+	pub fn to_str(&self) -> &str {
+		match self {
+			Self::Unknown => "unknown",
+			Self::Ping => "ping",
+			Self::Info => "info",
+			Self::Use => "use",
+			Self::Signup => "signup",
+			Self::Signin => "signin",
+			Self::Invalidate => "invalidate",
+			Self::Authenticate => "authenticate",
+			Self::Kill => "kill",
+			Self::Live => "live",
+			Self::Set => "set",
+			Self::Unset => "unset",
+			Self::Select => "select",
+			Self::Insert => "insert",
+			Self::Create => "create",
+			Self::Update => "update",
+			Self::Merge => "merge",
+			Self::Patch => "patch",
+			Self::Delete => "delete",
+			Self::Version => "version",
+			Self::Query => "query",
+			Self::Relate => "relate",
+		}
+	}
+}
+
+impl Method {
+	pub fn is_valid(&self) -> bool {
+		!matches!(self, Self::Unknown)
+	}
+
+	pub fn needs_mut(&self) -> bool {
+		!self.can_be_immut()
+	}
+
+	// should be the same as execute_immut
+	pub fn can_be_immut(&self) -> bool {
+		matches!(
+			self,
+			Method::Ping
+				| Method::Info | Method::Select
+				| Method::Insert | Method::Create
+				| Method::Update | Method::Merge
+				| Method::Patch | Method::Delete
+				| Method::Version
+				| Method::Query | Method::Relate
+				| Method::Unknown
+		)
+	}
+}

core/src/rpc/mod.rs

@@ -0,0 +1,11 @@
+pub mod args;
+pub mod basic_context;
+pub mod method;
+mod response;
+pub mod rpc_context;
+mod rpc_error;
+
+pub use basic_context::BasicRpcContext;
+pub use response::Data;
+pub use rpc_context::RpcContext;
+pub use rpc_error::RpcError;

core/src/rpc/response.rs

@@ -0,0 +1,55 @@
+use crate::dbs;
+use crate::dbs::Notification;
+use crate::sql;
+use crate::sql::Value;
+use revision::revisioned;
+use serde::Serialize;
+
+/// The data returned by the database
+// The variants here should be in exactly the same order as `crate::engine::remote::ws::Data`
+// In future, they will possibly be merged to avoid having to keep them in sync.
+#[derive(Debug, Serialize)]
+#[revisioned(revision = 1)]
+pub enum Data {
+	/// Generally methods return a `sql::Value`
+	Other(Value),
+	/// The query methods, `query` and `query_with` return a `Vec` of responses
+	Query(Vec<dbs::Response>),
+	/// Live queries return a notification
+	Live(Notification),
+	// Add new variants here
+}
+
+impl From<Value> for Data {
+	fn from(v: Value) -> Self {
+		Data::Other(v)
+	}
+}
+
+impl From<String> for Data {
+	fn from(v: String) -> Self {
+		Data::Other(Value::from(v))
+	}
+}
+
+impl From<Notification> for Data {
+	fn from(n: Notification) -> Self {
+		Data::Live(n)
+	}
+}
+
+impl From<Vec<dbs::Response>> for Data {
+	fn from(v: Vec<dbs::Response>) -> Self {
+		Data::Query(v)
+	}
+}
+
+impl From<Data> for Value {
+	fn from(val: Data) -> Self {
+		match val {
+			Data::Query(v) => sql::to_value(v).unwrap(),
+			Data::Live(v) => sql::to_value(v).unwrap(),
+			Data::Other(v) => v,
+		}
+	}
+}

core/src/rpc/rpc_context.rs

@@ -0,0 +1,536 @@
+use std::collections::BTreeMap;
+
+use crate::{
+	dbs::{QueryType, Response, Session},
+	kvs::Datastore,
+	rpc::args::Take,
+	sql::{Array, Value},
+};
+use uuid::Uuid;
+
+use super::{method::Method, response::Data, rpc_error::RpcError};
+
+macro_rules! mrg {
+	($($m:expr, $x:expr)+) => {{
+		$($m.extend($x.iter().map(|(k, v)| (k.clone(), v.clone())));)+
+		$($m)+
+	}};
+}
+
+#[allow(async_fn_in_trait)]
+pub trait RpcContext {
+	fn kvs(&self) -> &Datastore;
+	fn session(&self) -> &Session;
+	fn session_mut(&mut self) -> &mut Session;
+	fn vars(&self) -> &BTreeMap<String, Value>;
+	fn vars_mut(&mut self) -> &mut BTreeMap<String, Value>;
+	fn version_data(&self) -> impl Into<Data>;
+
+	const LQ_SUPPORT: bool = false;
+	fn handle_live(&self, _lqid: &Uuid) -> impl std::future::Future<Output = ()> + Send {
+		async { unreachable!() }
+	}
+	fn handle_kill(&self, _lqid: &Uuid) -> impl std::future::Future<Output = ()> + Send {
+		async { unreachable!() }
+	}
+
+	async fn execute(&mut self, method: Method, params: Array) -> Result<Data, RpcError> {
+		match method {
+			Method::Ping => Ok(Value::None.into()),
+			Method::Info => self.info().await.map(Into::into).map_err(Into::into),
+			Method::Use => self.yuse(params).await.map(Into::into).map_err(Into::into),
+			Method::Signup => self.signup(params).await.map(Into::into).map_err(Into::into),
+			Method::Signin => self.signin(params).await.map(Into::into).map_err(Into::into),
+			Method::Invalidate => self.invalidate().await.map(Into::into).map_err(Into::into),
+			Method::Authenticate => {
+				self.authenticate(params).await.map(Into::into).map_err(Into::into)
+			}
+			Method::Kill => self.kill(params).await.map(Into::into).map_err(Into::into),
+			Method::Live => self.live(params).await.map(Into::into).map_err(Into::into),
+			Method::Set => self.set(params).await.map(Into::into).map_err(Into::into),
+			Method::Unset => self.unset(params).await.map(Into::into).map_err(Into::into),
+			Method::Select => self.select(params).await.map(Into::into).map_err(Into::into),
+			Method::Insert => self.insert(params).await.map(Into::into).map_err(Into::into),
+			Method::Create => self.create(params).await.map(Into::into).map_err(Into::into),
+			Method::Update => self.update(params).await.map(Into::into).map_err(Into::into),
+			Method::Merge => self.merge(params).await.map(Into::into).map_err(Into::into),
+			Method::Patch => self.patch(params).await.map(Into::into).map_err(Into::into),
+			Method::Delete => self.delete(params).await.map(Into::into).map_err(Into::into),
+			Method::Version => self.version(params).await.map(Into::into).map_err(Into::into),
+			Method::Query => self.query(params).await.map(Into::into).map_err(Into::into),
+			Method::Relate => self.relate(params).await.map(Into::into).map_err(Into::into),
+			Method::Unknown => Err(RpcError::MethodNotFound),
+		}
+	}
+
+	async fn execute_immut(&self, method: Method, params: Array) -> Result<Data, RpcError> {
+		match method {
+			Method::Ping => Ok(Value::None.into()),
+			Method::Info => self.info().await.map(Into::into).map_err(Into::into),
+			Method::Select => self.select(params).await.map(Into::into).map_err(Into::into),
+			Method::Insert => self.insert(params).await.map(Into::into).map_err(Into::into),
+			Method::Create => self.create(params).await.map(Into::into).map_err(Into::into),
+			Method::Update => self.update(params).await.map(Into::into).map_err(Into::into),
+			Method::Merge => self.merge(params).await.map(Into::into).map_err(Into::into),
+			Method::Patch => self.patch(params).await.map(Into::into).map_err(Into::into),
+			Method::Delete => self.delete(params).await.map(Into::into).map_err(Into::into),
+			Method::Version => self.version(params).await.map(Into::into).map_err(Into::into),
+			Method::Query => self.query(params).await.map(Into::into).map_err(Into::into),
+			Method::Relate => self.relate(params).await.map(Into::into).map_err(Into::into),
+			Method::Unknown => Err(RpcError::MethodNotFound),
+			_ => Err(RpcError::MethodNotFound),
+		}
+	}
+
+	// ------------------------------
+	// Methods for authentication
+	// ------------------------------
+
+	async fn yuse(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let (ns, db) = params.needs_two()?;
+		if let Value::Strand(ns) = ns {
+			self.session_mut().ns = Some(ns.0);
+		}
+		if let Value::Strand(db) = db {
+			self.session_mut().db = Some(db.0);
+		}
+		Ok(Value::None)
+	}
+
+	async fn signup(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Object(v)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		let mut tmp_session = self.session().clone();
+		let out: Result<Value, RpcError> =
+			crate::iam::signup::signup(self.kvs(), &mut tmp_session, v)
+				.await
+				.map(Into::into)
+				.map_err(Into::into);
+		*self.session_mut() = tmp_session;
+
+		out
+	}
+
+	async fn signin(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Object(v)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		let mut tmp_session = self.session().clone();
+		let out: Result<Value, RpcError> =
+			crate::iam::signin::signin(self.kvs(), &mut tmp_session, v)
+				.await
+				.map(Into::into)
+				.map_err(Into::into);
+		*self.session_mut() = tmp_session;
+		out
+	}
+
+	async fn invalidate(&mut self) -> Result<impl Into<Data>, RpcError> {
+		crate::iam::clear::clear(self.session_mut())?;
+		Ok(Value::None)
+	}
+
+	async fn authenticate(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Strand(token)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		let mut tmp_session = self.session().clone();
+		crate::iam::verify::token(self.kvs(), &mut tmp_session, &token.0).await?;
+		*self.session_mut() = tmp_session;
+		Ok(Value::None)
+	}
+
+	// ------------------------------
+	// Methods for identification
+	// ------------------------------
+
+	async fn info(&self) -> Result<impl Into<Data>, RpcError> {
+		// Specify the SQL query string
+		let sql = "SELECT * FROM $auth";
+		// Execute the query on the database
+		let mut res = self.kvs().execute(sql, self.session(), None).await?;
+		// Extract the first value from the result
+		let res = res.remove(0).result?.first();
+		// Return the result to the client
+		Ok(res)
+	}
+
+	// ------------------------------
+	// Methods for setting variables
+	// ------------------------------
+
+	async fn set(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok((Value::Strand(key), val)) = params.needs_one_or_two() else {
+			return Err(RpcError::InvalidParams);
+		};
+		// Specify the query parameters
+		let var = Some(map! {
+			key.0.clone() => Value::None,
+			=> &self.vars()
+		});
+		// Compute the specified parameter
+		match self.kvs().compute(val, self.session(), var).await? {
+			// Remove the variable if undefined
+			Value::None => self.vars_mut().remove(&key.0),
+			// Store the variable if defined
+			v => self.vars_mut().insert(key.0, v),
+		};
+		Ok(Value::Null)
+	}
+
+	async fn unset(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Strand(key)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		self.vars_mut().remove(&key.0);
+		Ok(Value::Null)
+	}
+
+	// ------------------------------
+	// Methods for live queries
+	// ------------------------------
+
+	async fn kill(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let id = params.needs_one()?;
+		// Specify the SQL query string
+		let sql = "KILL $id";
+		// Specify the query parameters
+		let var = map! {
+			String::from("id") => id,
+			=> &self.vars()
+		};
+		// Execute the query on the database
+		// let mut res = self.query_with(Value::from(sql), Object::from(var)).await?;
+		let mut res = self.query_inner(Value::from(sql), Some(var)).await?;
+		// Extract the first query result
+		let response = res.remove(0);
+		response.result.map_err(Into::into)
+	}
+
+	async fn live(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let (tb, diff) = params.needs_one_or_two()?;
+		// Specify the SQL query string
+		let sql = match diff.is_true() {
+			true => "LIVE SELECT DIFF FROM $tb",
+			false => "LIVE SELECT * FROM $tb",
+		};
+		// Specify the query parameters
+		let var = map! {
+			String::from("tb") => tb.could_be_table(),
+			=> &self.vars()
+		};
+		// Execute the query on the database
+		let mut res = self.query_inner(Value::from(sql), Some(var)).await?;
+		// Extract the first query result
+		let response = res.remove(0);
+		response.result.map_err(Into::into)
+	}
+
+	// ------------------------------
+	// Methods for selecting
+	// ------------------------------
+
+	async fn select(&self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(what) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		// Return a single result?
+		let one = what.is_thing();
+		// Specify the SQL query string
+		let sql = "SELECT * FROM $what";
+		// Specify the query parameters
+		let var = Some(map! {
+			String::from("what") => what.could_be_table(),
+			=> &self.vars()
+		});
+		// Execute the query on the database
+		let mut res = self.kvs().execute(sql, self.session(), var).await?;
+		// Extract the first query result
+		let res = match one {
+			true => res.remove(0).result?.first(),
+			false => res.remove(0).result?,
+		};
+		// Return the result to the client
+		Ok(res)
+	}
+
+	// ------------------------------
+	// Methods for inserting
+	// ------------------------------
+
+	async fn insert(&self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok((what, data)) = params.needs_two() else {
+			return Err(RpcError::InvalidParams);
+		};
+		// Return a single result?
+		let one = what.is_thing();
+		// Specify the SQL query string
+		let sql = "INSERT INTO $what $data RETURN AFTER";
+		// Specify the query parameters
+		let var = Some(map! {
+			String::from("what") => what.could_be_table(),
+			String::from("data") => data,
+			=> &self.vars()
+		});
+		// Execute the query on the database
+		let mut res = self.kvs().execute(sql, self.session(), var).await?;
+		// Extract the first query result
+		let res = match one {
+			true => res.remove(0).result?.first(),
+			false => res.remove(0).result?,
+		};
+		// Return the result to the client
+		Ok(res)
+	}
+
+	// ------------------------------
+	// Methods for creating
+	// ------------------------------
+
+	async fn create(&self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok((what, data)) = params.needs_one_or_two() else {
+			return Err(RpcError::InvalidParams);
+		};
+		// Return a single result?
+		let one = what.is_thing();
+		// Specify the SQL query string
+		let sql = if data.is_none_or_null() {
+			"CREATE $what RETURN AFTER"
+		} else {
+			"CREATE $what CONTENT $data RETURN AFTER"
+		};
+		// Specify the query parameters
+		let var = Some(map! {
+			String::from("what") => what.could_be_table(),
+			String::from("data") => data,
+			=> &self.vars()
+		});
+		// Execute the query on the database
+		let mut res = self.kvs().execute(sql, self.session(), var).await?;
+		// Extract the first query result
+		let res = match one {
+			true => res.remove(0).result?.first(),
+			false => res.remove(0).result?,
+		};
+		// Return the result to the client
+		Ok(res)
+	}
+
+	// ------------------------------
+	// Methods for updating
+	// ------------------------------
+
+	async fn update(&self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok((what, data)) = params.needs_one_or_two() else {
+			return Err(RpcError::InvalidParams);
+		};
+		// Return a single result?
+		let one = what.is_thing();
+		// Specify the SQL query string
+		let sql = if data.is_none_or_null() {
+			"UPDATE $what RETURN AFTER"
+		} else {
+			"UPDATE $what CONTENT $data RETURN AFTER"
+		};
+		// Specify the query parameters
+		let var = Some(map! {
+			String::from("what") => what.could_be_table(),
+			String::from("data") => data,
+			=> &self.vars()
+		});
+		// Execute the query on the database
+		let mut res = self.kvs().execute(sql, self.session(), var).await?;
+		// Extract the first query result
+		let res = match one {
+			true => res.remove(0).result?.first(),
+			false => res.remove(0).result?,
+		};
+		// Return the result to the client
+		Ok(res)
+	}
+
+	// ------------------------------
+	// Methods for merging
+	// ------------------------------
+
+	async fn merge(&self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok((what, data)) = params.needs_one_or_two() else {
+			return Err(RpcError::InvalidParams);
+		};
+		// Return a single result?
+		let one = what.is_thing();
+		// Specify the SQL query string
+		let sql = if data.is_none_or_null() {
+			"UPDATE $what RETURN AFTER"
+		} else {
+			"UPDATE $what MERGE $data RETURN AFTER"
+		};
+		// Specify the query parameters
+		let var = Some(map! {
+			String::from("what") => what.could_be_table(),
+			String::from("data") => data,
+			=> &self.vars()
+		});
+		// Execute the query on the database
+		let mut res = self.kvs().execute(sql, self.session(), var).await?;
+		// Extract the first query result
+		let res = match one {
+			true => res.remove(0).result?.first(),
+			false => res.remove(0).result?,
+		};
+		// Return the result to the client
+		Ok(res)
+	}
+
+	// ------------------------------
+	// Methods for patching
+	// ------------------------------
+
+	async fn patch(&self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok((what, data, diff)) = params.needs_one_two_or_three() else {
+			return Err(RpcError::InvalidParams);
+		};
+		// Return a single result?
+		let one = what.is_thing();
+		// Specify the SQL query string
+		let sql = match diff.is_true() {
+			true => "UPDATE $what PATCH $data RETURN DIFF",
+			false => "UPDATE $what PATCH $data RETURN AFTER",
+		};
+		// Specify the query parameters
+		let var = Some(map! {
+			String::from("what") => what.could_be_table(),
+			String::from("data") => data,
+			=> &self.vars()
+		});
+		// Execute the query on the database
+		let mut res = self.kvs().execute(sql, self.session(), var).await?;
+		// Extract the first query result
+		let res = match one {
+			true => res.remove(0).result?.first(),
+			false => res.remove(0).result?,
+		};
+		// Return the result to the client
+		Ok(res)
+	}
+
+	// ------------------------------
+	// Methods for deleting
+	// ------------------------------
+
+	async fn delete(&self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(what) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		// Return a single result?
+		let one = what.is_thing();
+		// Specify the SQL query string
+		let sql = "DELETE $what RETURN BEFORE";
+		// Specify the query parameters
+		let var = Some(map! {
+			String::from("what") => what.could_be_table(),
+			=> &self.vars()
+		});
+		// Execute the query on the database
+		let mut res = self.kvs().execute(sql, self.session(), var).await?;
+		// Extract the first query result
+		let res = match one {
+			true => res.remove(0).result?.first(),
+			false => res.remove(0).result?,
+		};
+		// Return the result to the client
+		Ok(res)
+	}
+
+	// ------------------------------
+	// Methods for getting info
+	// ------------------------------
+
+	async fn version(&self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		match params.len() {
+			0 => Ok(self.version_data()),
+			_ => Err(RpcError::InvalidParams),
+		}
+	}
+
+	// ------------------------------
+	// Methods for querying
+	// ------------------------------
+
+	async fn query(&self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok((query, o)) = params.needs_one_or_two() else {
+			return Err(RpcError::InvalidParams);
+		};
+		if !(query.is_query() || query.is_strand()) {
+			return Err(RpcError::InvalidParams);
+		}
+
+		let o = match o {
+			Value::Object(v) => Some(v),
+			Value::None | Value::Null => None,
+			_ => return Err(RpcError::InvalidParams),
+		};
+
+		// Specify the query parameters
+		let vars = match o {
+			Some(mut v) => Some(mrg! {v.0, &self.vars()}),
+			None => Some(self.vars().clone()),
+		};
+		self.query_inner(query, vars).await
+	}
+
+	// ------------------------------
+	// Methods for querying
+	// ------------------------------
+
+	async fn relate(&self, _params: Array) -> Result<impl Into<Data>, RpcError> {
+		let out: Result<Value, RpcError> = Err(RpcError::MethodNotFound);
+		out
+	}
+
+	// ------------------------------
+	// Private methods
+	// ------------------------------
+
+	async fn query_inner(
+		&self,
+		query: Value,
+		vars: Option<BTreeMap<String, Value>>,
+	) -> Result<Vec<Response>, RpcError> {
+		// If no live query handler force realtime off
+		if !Self::LQ_SUPPORT && self.session().rt {
+			return Err(RpcError::BadLQConfig);
+		}
+		// Execute the query on the database
+		let res = match query {
+			Value::Query(sql) => self.kvs().process(sql, self.session(), vars).await?,
+			Value::Strand(sql) => self.kvs().execute(&sql, self.session(), vars).await?,
+			_ => unreachable!(),
+		};
+
+		// Post-process hooks for web layer
+		for response in &res {
+			// This error should be unreachable because we shouldn't proceed if there's no handler
+			self.handle_live_query_results(response).await;
+		}
+		// Return the result to the client
+		Ok(res)
+	}
+
+	async fn handle_live_query_results(&self, res: &Response) {
+		match &res.query_type {
+			QueryType::Live => {
+				if let Ok(Value::Uuid(lqid)) = &res.result {
+					self.handle_live(&lqid.0).await;
+				}
+			}
+			QueryType::Kill => {
+				if let Ok(Value::Uuid(lqid)) = &res.result {
+					self.handle_kill(&lqid.0).await;
+				}
+			}
+			_ => {}
+		}
+	}
+}

core/src/rpc/rpc_error.rs

@@ -0,0 +1,52 @@
+use thiserror::Error;
+
+use crate::err;
+
+#[derive(Debug, Error)]
+#[non_exhaustive]
+pub enum RpcError {
+	#[error("Parse error")]
+	ParseError,
+	#[error("Invalid request")]
+	InvalidRequest,
+	#[error("Method not found")]
+	MethodNotFound,
+	#[error("Invalid params")]
+	InvalidParams,
+	#[error("There was a problem with the database: {0}")]
+	InternalError(err::Error),
+	#[error("Live Query was made, but is not supported")]
+	LqNotSuported,
+	#[error("RT is enabled for the session, but LQ is not supported with the context")]
+	BadLQConfig,
+	#[error("Error: {0}")]
+	Thrown(String),
+}
+
+impl From<err::Error> for RpcError {
+	fn from(e: err::Error) -> Self {
+		use err::Error;
+		match e {
+			Error::RealtimeDisabled => RpcError::LqNotSuported,
+			_ => RpcError::InternalError(e),
+		}
+	}
+}
+
+impl From<&str> for RpcError {
+	fn from(e: &str) -> Self {
+		RpcError::Thrown(e.to_string())
+	}
+}
+
+impl From<RpcError> for err::Error {
+	fn from(value: RpcError) -> Self {
+		use err::Error;
+		match value {
+			RpcError::InternalError(e) => e,
+			RpcError::Thrown(e) => Error::Thrown(e),
+
+			_ => Error::Thrown(value.to_string()),
+		}
+	}
+}

src/err/mod.rs

@@ -135,6 +135,17 @@ impl From<surrealdb::error::Db> for Error {
 	}
 }
 
+impl From<surrealdb::rpc::RpcError> for Error {
+	fn from(value: surrealdb::rpc::RpcError) -> Self {
+		use surrealdb::rpc::RpcError;
+		match value {
+			RpcError::InternalError(e) => Error::Db(surrealdb::Error::Db(e)),
+			RpcError::Thrown(e) => Error::Other(e),
+			_ => Error::Other(value.to_string()),
+		}
+	}
+}
+
 impl Serialize for Error {
 	fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
 	where

src/mac/mod.rs

@@ -6,10 +6,3 @@ macro_rules! map {
         m
     }};
 }
-
-macro_rules! mrg {
-    ($($m:expr, $x:expr)+) => {{
-        $($m.extend($x.iter().map(|(k, v)| (k.clone(), v.clone())));)+
-        $($m)+
-    }};
-}

src/net/headers/content_type.rs

@@ -0,0 +1,70 @@
+use axum::headers;
+use axum::headers::Header;
+use http::HeaderName;
+use http::HeaderValue;
+
+/// Typed header implementation for the `ContentType` header.
+pub enum ContentType {
+	TextPlain,
+	ApplicationJson,
+	ApplicationCbor,
+	ApplicationPack,
+	ApplicationOctetStream,
+	Surrealdb,
+}
+
+impl std::fmt::Display for ContentType {
+	fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+		match self {
+			ContentType::TextPlain => write!(f, "text/plain"),
+			ContentType::ApplicationJson => write!(f, "application/json"),
+			ContentType::ApplicationCbor => write!(f, "application/cbor"),
+			ContentType::ApplicationPack => write!(f, "application/pack"),
+			ContentType::ApplicationOctetStream => write!(f, "application/octet-stream"),
+			ContentType::Surrealdb => write!(f, "application/surrealdb"),
+		}
+	}
+}
+
+impl Header for ContentType {
+	fn name() -> &'static HeaderName {
+		&http::header::CONTENT_TYPE
+	}
+
+	fn decode<'i, I>(values: &mut I) -> Result<Self, headers::Error>
+	where
+		I: Iterator<Item = &'i HeaderValue>,
+	{
+		let value = values.next().ok_or_else(headers::Error::invalid)?;
+
+		match value.to_str().map_err(|_| headers::Error::invalid())? {
+			"text/plain" => Ok(ContentType::TextPlain),
+			"application/json" => Ok(ContentType::ApplicationJson),
+			"application/cbor" => Ok(ContentType::ApplicationCbor),
+			"application/pack" => Ok(ContentType::ApplicationPack),
+			"application/octet-stream" => Ok(ContentType::ApplicationOctetStream),
+			"application/surrealdb" => Ok(ContentType::Surrealdb),
+			// TODO: Support more (all?) mime-types
+			_ => Err(headers::Error::invalid()),
+		}
+	}
+
+	fn encode<E>(&self, values: &mut E)
+	where
+		E: Extend<HeaderValue>,
+	{
+		values.extend(std::iter::once(self.into()));
+	}
+}
+
+impl From<ContentType> for HeaderValue {
+	fn from(value: ContentType) -> Self {
+		HeaderValue::from(&value)
+	}
+}
+
+impl From<&ContentType> for HeaderValue {
+	fn from(value: &ContentType) -> Self {
+		HeaderValue::from_str(value.to_string().as_str()).unwrap()
+	}
+}

src/net/headers/mod.rs

@@ -14,6 +14,7 @@ use tower_http::set_header::SetResponseHeaderLayer;
 mod accept;
 mod auth_db;
 mod auth_ns;
+mod content_type;
 mod db;
 mod id;
 mod ns;
@@ -21,6 +22,7 @@ mod ns;
 pub use accept::Accept;
 pub use auth_db::SurrealAuthDatabase;
 pub use auth_ns::SurrealAuthNamespace;
+pub use content_type::ContentType;
 pub use db::{SurrealDatabase, SurrealDatabaseLegacy};
 pub use id::{SurrealId, SurrealIdLegacy};
 pub use ns::{SurrealNamespace, SurrealNamespaceLegacy};

src/net/key.rs

@@ -97,6 +97,7 @@ async fn select_all(
 			Some(Accept::ApplicationCbor) => Ok(output::cbor(&output::simplify(res))),
 			Some(Accept::ApplicationPack) => Ok(output::pack(&output::simplify(res))),
 			// Internal serialization
+			// TODO: remove format in 2.0.0
 			Some(Accept::Surrealdb) => Ok(output::full(&res)),
 			// An incorrect content-type was requested
 			_ => Err(Error::InvalidType),

src/net/mod.rs

@@ -1,12 +1,12 @@
 mod auth;
 pub mod client_ip;
 mod export;
-mod headers;
+pub(crate) mod headers;
 mod health;
 mod import;
 mod input;
 mod key;
-mod output;
+pub(crate) mod output;
 mod params;
 mod rpc;
 mod signals;

src/net/rpc.rs

@@ -1,30 +1,47 @@
+use std::collections::BTreeMap;
+use std::ops::Deref;
+
 use crate::cnf;
+use crate::dbs::DB;
 use crate::err::Error;
 use crate::rpc::connection::Connection;
 use crate::rpc::format::Format;
 use crate::rpc::format::PROTOCOLS;
+use crate::rpc::post_context::PostRpcContext;
+use crate::rpc::response::IntoRpcResponse;
 use crate::rpc::WEBSOCKETS;
 use axum::routing::get;
+use axum::routing::post;
+use axum::TypedHeader;
 use axum::{
 	extract::ws::{WebSocket, WebSocketUpgrade},
 	response::IntoResponse,
 	Extension, Router,
 };
+use bytes::Bytes;
 use http::HeaderValue;
 use http_body::Body as HttpBody;
 use surrealdb::dbs::Session;
+use surrealdb::rpc::method::Method;
 use tower_http::request_id::RequestId;
 use uuid::Uuid;
 
+use super::headers::Accept;
+use super::headers::ContentType;
+
+use surrealdb::rpc::rpc_context::RpcContext;
+
 pub(super) fn router<S, B>() -> Router<S, B>
 where
 	B: HttpBody + Send + 'static,
+	B::Data: Send,
+	B::Error: std::error::Error + Send + Sync + 'static,
 	S: Clone + Send + Sync + 'static,
 {
-	Router::new().route("/rpc", get(handler))
+	Router::new().route("/rpc", get(get_handler)).route("/rpc", post(post_handler))
 }
 
-async fn handler(
+async fn get_handler(
 	ws: WebSocketUpgrade,
 	Extension(id): Extension<RequestId>,
 	Extension(sess): Extension<Session>,
@@ -70,9 +87,37 @@ async fn handle_socket(ws: WebSocket, sess: Session, id: Uuid) {
 		// No protocol format was specified
 		_ => Format::None,
 	};
-	//
+	// Format::Unsupported is not in the PROTOCOLS list so cannot be the value of format here
 	// Create a new connection instance
 	let rpc = Connection::new(id, sess, format);
 	// Serve the socket connection requests
 	Connection::serve(rpc, ws).await;
 }
+
+async fn post_handler(
+	Extension(session): Extension<Session>,
+	output: Option<TypedHeader<Accept>>,
+	content_type: TypedHeader<ContentType>,
+	body: Bytes,
+) -> Result<impl IntoResponse, impl IntoResponse> {
+	let fmt: Format = content_type.deref().into();
+	let out_fmt: Option<Format> = output.as_deref().map(Into::into);
+	if let Some(out_fmt) = out_fmt {
+		if fmt != out_fmt {
+			return Err(Error::InvalidType);
+		}
+	}
+	if fmt == Format::Unsupported || fmt == Format::None {
+		return Err(Error::InvalidType);
+	}
+
+	let mut rpc_ctx = PostRpcContext::new(DB.get().unwrap(), session, BTreeMap::new());
+
+	match fmt.req_http(body) {
+		Ok(req) => {
+			let res = rpc_ctx.execute(Method::parse(req.method), req.params).await;
+			fmt.res_http(res.into_response(None)).map_err(Error::from)
+		}
+		Err(err) => Err(Error::from(err)),
+	}
+}

src/rpc/connection.rs

@@ -1,12 +1,10 @@
-use crate::cnf::PKG_NAME;
+use crate::cnf::{
-use crate::cnf::PKG_VERSION;
+	PKG_NAME, PKG_VERSION, WEBSOCKET_MAX_CONCURRENT_REQUESTS, WEBSOCKET_PING_FREQUENCY,
-use crate::cnf::{WEBSOCKET_MAX_CONCURRENT_REQUESTS, WEBSOCKET_PING_FREQUENCY};
+};
 use crate::dbs::DB;
-use crate::err::Error;
-use crate::rpc::args::Take;
 use crate::rpc::failure::Failure;
 use crate::rpc::format::Format;
-use crate::rpc::response::{failure, Data, IntoRpcResponse};
+use crate::rpc::response::{failure, IntoRpcResponse};
 use crate::rpc::{CONN_CLOSED_ERR, LIVE_QUERIES, WEBSOCKETS};
 use crate::telemetry;
 use crate::telemetry::metrics::ws::RequestContext;
@@ -19,12 +17,13 @@ use opentelemetry::Context as TelemetryContext;
 use std::collections::BTreeMap;
 use std::sync::Arc;
 use surrealdb::channel::{self, Receiver, Sender};
-use surrealdb::dbs::QueryType;
-use surrealdb::dbs::Response;
 use surrealdb::dbs::Session;
+use surrealdb::kvs::Datastore;
+use surrealdb::rpc::args::Take;
+use surrealdb::rpc::method::Method;
+use surrealdb::rpc::RpcContext;
+use surrealdb::rpc::{Data, RpcError};
 use surrealdb::sql::Array;
-use surrealdb::sql::Object;
-use surrealdb::sql::Strand;
 use surrealdb::sql::Value;
 use tokio::sync::{RwLock, Semaphore};
 use tokio::task::JoinSet;
@@ -295,7 +294,7 @@ impl Connection {
 			let req_cx = RequestContext::default();
 			let otel_cx = Arc::new(TelemetryContext::new().with_value(req_cx.clone()));
 			// Parse the RPC request structure
-			match fmt.req(msg) {
+			match fmt.req_ws(msg) {
 				Ok(req) => {
 					// Now that we know the method, we can update the span and create otel context
 					span.record("rpc.method", &req.method);
@@ -337,547 +336,90 @@ impl Connection {
 		params: Array,
 	) -> Result<Data, Failure> {
 		debug!("Process RPC request");
-		// Match the method to a function
+		let method = Method::parse(method);
-		match method {
+		if !method.is_valid() {
-			// Handle a surrealdb ping message
+			return Err(Failure::METHOD_NOT_FOUND);
-			//
-			// This is used to keep the WebSocket connection alive in environments where the WebSocket protocol is not enough.
-			// For example, some browsers will wait for the TCP protocol to timeout before triggering an on_close event. This may take several seconds or even minutes in certain scenarios.
-			// By sending a ping message every few seconds from the client, we can force a connection check and trigger an on_close event if the ping can't be sent.
-			//
-			"ping" => Ok(Value::None.into()),
-			// Retrieve the current auth record
-			"info" => match params.len() {
-				0 => rpc.read().await.info().await.map(Into::into).map_err(Into::into),
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Switch to a specific namespace and database
-			"use" => match params.needs_two() {
-				Ok((ns, db)) => {
-					rpc.write().await.yuse(ns, db).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Signup to a specific authentication scope
-			"signup" => match params.needs_one() {
-				Ok(Value::Object(v)) => {
-					rpc.write().await.signup(v).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Signin as a root, namespace, database or scope user
-			"signin" => match params.needs_one() {
-				Ok(Value::Object(v)) => {
-					rpc.write().await.signin(v).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Invalidate the current authentication session
-			"invalidate" => match params.len() {
-				0 => rpc.write().await.invalidate().await.map(Into::into).map_err(Into::into),
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Authenticate using an authentication token
-			"authenticate" => match params.needs_one() {
-				Ok(Value::Strand(v)) => {
-					rpc.write().await.authenticate(v).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Kill a live query using a query id
-			"kill" => match params.needs_one() {
-				Ok(v) => rpc.read().await.kill(v).await.map(Into::into).map_err(Into::into),
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Setup a live query on a specific table
-			"live" => match params.needs_one_or_two() {
-				Ok((v, d)) if v.is_table() => {
-					rpc.read().await.live(v, d).await.map(Into::into).map_err(Into::into)
-				}
-				Ok((v, d)) if v.is_strand() => {
-					rpc.read().await.live(v, d).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Specify a connection-wide parameter
-			"let" | "set" => match params.needs_one_or_two() {
-				Ok((Value::Strand(s), v)) => {
-					rpc.write().await.set(s, v).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Unset and clear a connection-wide parameter
-			"unset" => match params.needs_one() {
-				Ok(Value::Strand(s)) => {
-					rpc.write().await.unset(s).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Select a value or values from the database
-			"select" => match params.needs_one() {
-				Ok(v) => rpc.read().await.select(v).await.map(Into::into).map_err(Into::into),
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Insert a value or values in the database
-			"insert" => match params.needs_one_or_two() {
-				Ok((v, o)) => {
-					rpc.read().await.insert(v, o).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Create a value or values in the database
-			"create" => match params.needs_one_or_two() {
-				Ok((v, o)) => {
-					rpc.read().await.create(v, o).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Update a value or values in the database using `CONTENT`
-			"update" => match params.needs_one_or_two() {
-				Ok((v, o)) => {
-					rpc.read().await.update(v, o).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Update a value or values in the database using `MERGE`
-			"merge" => match params.needs_one_or_two() {
-				Ok((v, o)) => {
-					rpc.read().await.merge(v, o).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Update a value or values in the database using `PATCH`
-			"patch" => match params.needs_one_two_or_three() {
-				Ok((v, o, d)) => {
-					rpc.read().await.patch(v, o, d).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Delete a value or values from the database
-			"delete" => match params.needs_one() {
-				Ok(v) => rpc.read().await.delete(v).await.map(Into::into).map_err(Into::into),
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Get the current server version
-			"version" => match params.len() {
-				0 => Ok(format!("{PKG_NAME}-{}", *PKG_VERSION).into()),
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			// Run a full SurrealQL query against the database
-			"query" => match params.needs_one_or_two() {
-				Ok((v, o)) if (v.is_strand() || v.is_query()) && o.is_none_or_null() => {
-					rpc.read().await.query(v).await.map(Into::into).map_err(Into::into)
-				}
-				Ok((v, Value::Object(o))) if v.is_strand() || v.is_query() => {
-					rpc.read().await.query_with(v, o).await.map(Into::into).map_err(Into::into)
-				}
-				_ => Err(Failure::INVALID_PARAMS),
-			},
-			_ => Err(Failure::METHOD_NOT_FOUND),
-		}
 		}
 
-	// ------------------------------
+		// if the write lock is a bottleneck then execute could be refactored into execute_mut and execute
-	// Methods for authentication
+		// rpc.write().await.execute(method, params).await.map_err(Into::into)
-	// ------------------------------
+		match method.needs_mut() {
-
+			true => rpc.write().await.execute(method, params).await.map_err(Into::into),
-	async fn yuse(&mut self, ns: Value, db: Value) -> Result<Value, Error> {
+			false => rpc.read().await.execute_immut(method, params).await.map_err(Into::into),
-		if let Value::Strand(ns) = ns {
-			self.session.ns = Some(ns.0);
-		}
-		if let Value::Strand(db) = db {
-			self.session.db = Some(db.0);
-		}
-		Ok(Value::None)
-	}
-
-	async fn signup(&mut self, vars: Object) -> Result<Value, Error> {
-		let kvs = DB.get().unwrap();
-		surrealdb::iam::signup::signup(kvs, &mut self.session, vars)
-			.await
-			.map(Into::into)
-			.map_err(Into::into)
-	}
-
-	async fn signin(&mut self, vars: Object) -> Result<Value, Error> {
-		let kvs = DB.get().unwrap();
-		surrealdb::iam::signin::signin(kvs, &mut self.session, vars)
-			.await
-			.map(Into::into)
-			.map_err(Into::into)
-	}
-
-	async fn invalidate(&mut self) -> Result<Value, Error> {
-		surrealdb::iam::clear::clear(&mut self.session)?;
-		Ok(Value::None)
-	}
-
-	async fn authenticate(&mut self, token: Strand) -> Result<Value, Error> {
-		let kvs = DB.get().unwrap();
-		surrealdb::iam::verify::token(kvs, &mut self.session, &token.0).await?;
-		Ok(Value::None)
-	}
-
-	// ------------------------------
-	// Methods for identification
-	// ------------------------------
-
-	async fn info(&self) -> Result<Value, Error> {
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the SQL query string
-		let sql = "SELECT * FROM $auth";
-		// Execute the query on the database
-		let mut res = kvs.execute(sql, &self.session, None).await?;
-		// Extract the first value from the result
-		let res = res.remove(0).result?.first();
-		// Return the result to the client
-		Ok(res)
-	}
-
-	// ------------------------------
-	// Methods for setting variables
-	// ------------------------------
-
-	async fn set(&mut self, key: Strand, val: Value) -> Result<Value, Error> {
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the query parameters
-		let var = Some(map! {
-			key.0.clone() => Value::None,
-			=> &self.vars
-		});
-		// Compute the specified parameter
-		match kvs.compute(val, &self.session, var).await? {
-			// Remove the variable if undefined
-			Value::None => self.vars.remove(&key.0),
-			// Store the variable if defined
-			v => self.vars.insert(key.0, v),
-		};
-		Ok(Value::Null)
-	}
-
-	async fn unset(&mut self, key: Strand) -> Result<Value, Error> {
-		self.vars.remove(&key.0);
-		Ok(Value::Null)
-	}
-
-	// ------------------------------
-	// Methods for live queries
-	// ------------------------------
-
-	async fn kill(&self, id: Value) -> Result<Value, Error> {
-		// Specify the SQL query string
-		let sql = "KILL $id";
-		// Specify the query parameters
-		let var = map! {
-			String::from("id") => id,
-			=> &self.vars
-		};
-		// Execute the query on the database
-		let mut res = self.query_with(Value::from(sql), Object::from(var)).await?;
-		// Extract the first query result
-		let response = res.remove(0);
-		match response.result {
-			Ok(v) => Ok(v),
-			Err(e) => Err(Error::from(e)),
-		}
-	}
-
-	async fn live(&self, tb: Value, diff: Value) -> Result<Value, Error> {
-		// Specify the SQL query string
-		let sql = match diff.is_true() {
-			true => "LIVE SELECT DIFF FROM $tb",
-			false => "LIVE SELECT * FROM $tb",
-		};
-		// Specify the query parameters
-		let var = map! {
-			String::from("tb") => tb.could_be_table(),
-			=> &self.vars
-		};
-		// Execute the query on the database
-		let mut res = self.query_with(Value::from(sql), Object::from(var)).await?;
-		// Extract the first query result
-		let response = res.remove(0);
-		match response.result {
-			Ok(v) => Ok(v),
-			Err(e) => Err(Error::from(e)),
-		}
-	}
-
-	// ------------------------------
-	// Methods for selecting
-	// ------------------------------
-
-	async fn select(&self, what: Value) -> Result<Value, Error> {
-		// Return a single result?
-		let one = what.is_thing();
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the SQL query string
-		let sql = "SELECT * FROM $what";
-		// Specify the query parameters
-		let var = Some(map! {
-			String::from("what") => what.could_be_table(),
-			=> &self.vars
-		});
-		// Execute the query on the database
-		let mut res = kvs.execute(sql, &self.session, var).await?;
-		// Extract the first query result
-		let res = match one {
-			true => res.remove(0).result?.first(),
-			false => res.remove(0).result?,
-		};
-		// Return the result to the client
-		Ok(res)
-	}
-
-	// ------------------------------
-	// Methods for inserting
-	// ------------------------------
-
-	async fn insert(&self, what: Value, data: Value) -> Result<Value, Error> {
-		// Return a single result?
-		let one = what.is_thing();
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the SQL query string
-		let sql = "INSERT INTO $what $data RETURN AFTER";
-		// Specify the query parameters
-		let var = Some(map! {
-			String::from("what") => what.could_be_table(),
-			String::from("data") => data,
-			=> &self.vars
-		});
-		// Execute the query on the database
-		let mut res = kvs.execute(sql, &self.session, var).await?;
-		// Extract the first query result
-		let res = match one {
-			true => res.remove(0).result?.first(),
-			false => res.remove(0).result?,
-		};
-		// Return the result to the client
-		Ok(res)
-	}
-
-	// ------------------------------
-	// Methods for creating
-	// ------------------------------
-
-	async fn create(&self, what: Value, data: Value) -> Result<Value, Error> {
-		// Return a single result?
-		let one = what.is_thing();
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the SQL query string
-		let sql = if data.is_none_or_null() {
-			"CREATE $what RETURN AFTER"
-		} else {
-			"CREATE $what CONTENT $data RETURN AFTER"
-		};
-		// Specify the query parameters
-		let var = Some(map! {
-			String::from("what") => what.could_be_table(),
-			String::from("data") => data,
-			=> &self.vars
-		});
-		// Execute the query on the database
-		let mut res = kvs.execute(sql, &self.session, var).await?;
-		// Extract the first query result
-		let res = match one {
-			true => res.remove(0).result?.first(),
-			false => res.remove(0).result?,
-		};
-		// Return the result to the client
-		Ok(res)
-	}
-
-	// ------------------------------
-	// Methods for updating
-	// ------------------------------
-
-	async fn update(&self, what: Value, data: Value) -> Result<Value, Error> {
-		// Return a single result?
-		let one = what.is_thing();
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the SQL query string
-		let sql = if data.is_none_or_null() {
-			"UPDATE $what RETURN AFTER"
-		} else {
-			"UPDATE $what CONTENT $data RETURN AFTER"
-		};
-		// Specify the query parameters
-		let var = Some(map! {
-			String::from("what") => what.could_be_table(),
-			String::from("data") => data,
-			=> &self.vars
-		});
-		// Execute the query on the database
-		let mut res = kvs.execute(sql, &self.session, var).await?;
-		// Extract the first query result
-		let res = match one {
-			true => res.remove(0).result?.first(),
-			false => res.remove(0).result?,
-		};
-		// Return the result to the client
-		Ok(res)
-	}
-
-	// ------------------------------
-	// Methods for merging
-	// ------------------------------
-
-	async fn merge(&self, what: Value, data: Value) -> Result<Value, Error> {
-		// Return a single result?
-		let one = what.is_thing();
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the SQL query string
-		let sql = if data.is_none_or_null() {
-			"UPDATE $what RETURN AFTER"
-		} else {
-			"UPDATE $what MERGE $data RETURN AFTER"
-		};
-		// Specify the query parameters
-		let var = Some(map! {
-			String::from("what") => what.could_be_table(),
-			String::from("data") => data,
-			=> &self.vars
-		});
-		// Execute the query on the database
-		let mut res = kvs.execute(sql, &self.session, var).await?;
-		// Extract the first query result
-		let res = match one {
-			true => res.remove(0).result?.first(),
-			false => res.remove(0).result?,
-		};
-		// Return the result to the client
-		Ok(res)
-	}
-
-	// ------------------------------
-	// Methods for patching
-	// ------------------------------
-
-	async fn patch(&self, what: Value, data: Value, diff: Value) -> Result<Value, Error> {
-		// Return a single result?
-		let one = what.is_thing();
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the SQL query string
-		let sql = match diff.is_true() {
-			true => "UPDATE $what PATCH $data RETURN DIFF",
-			false => "UPDATE $what PATCH $data RETURN AFTER",
-		};
-		// Specify the query parameters
-		let var = Some(map! {
-			String::from("what") => what.could_be_table(),
-			String::from("data") => data,
-			=> &self.vars
-		});
-		// Execute the query on the database
-		let mut res = kvs.execute(sql, &self.session, var).await?;
-		// Extract the first query result
-		let res = match one {
-			true => res.remove(0).result?.first(),
-			false => res.remove(0).result?,
-		};
-		// Return the result to the client
-		Ok(res)
-	}
-
-	// ------------------------------
-	// Methods for deleting
-	// ------------------------------
-
-	async fn delete(&self, what: Value) -> Result<Value, Error> {
-		// Return a single result?
-		let one = what.is_thing();
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the SQL query string
-		let sql = "DELETE $what RETURN BEFORE";
-		// Specify the query parameters
-		let var = Some(map! {
-			String::from("what") => what.could_be_table(),
-			=> &self.vars
-		});
-		// Execute the query on the database
-		let mut res = kvs.execute(sql, &self.session, var).await?;
-		// Extract the first query result
-		let res = match one {
-			true => res.remove(0).result?.first(),
-			false => res.remove(0).result?,
-		};
-		// Return the result to the client
-		Ok(res)
-	}
-
-	// ------------------------------
-	// Methods for querying
-	// ------------------------------
-
-	async fn query(&self, sql: Value) -> Result<Vec<Response>, Error> {
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the query parameters
-		let var = Some(self.vars.clone());
-		// Execute the query on the database
-		let res = match sql {
-			Value::Query(sql) => kvs.process(sql, &self.session, var).await?,
-			Value::Strand(sql) => kvs.execute(&sql, &self.session, var).await?,
-			_ => unreachable!(),
-		};
-
-		// Post-process hooks for web layer
-		for response in &res {
-			self.handle_live_query_results(response).await;
-		}
-		// Return the result to the client
-		Ok(res)
-	}
-
-	async fn query_with(&self, sql: Value, mut vars: Object) -> Result<Vec<Response>, Error> {
-		// Get a database reference
-		let kvs = DB.get().unwrap();
-		// Specify the query parameters
-		let var = Some(mrg! { vars.0, &self.vars });
-		// Execute the query on the database
-		let res = match sql {
-			Value::Query(sql) => kvs.process(sql, &self.session, var).await?,
-			Value::Strand(sql) => kvs.execute(&sql, &self.session, var).await?,
-			_ => unreachable!(),
-		};
-		// Post-process hooks for web layer
-		for response in &res {
-			self.handle_live_query_results(response).await;
-		}
-		// Return the result to the client
-		Ok(res)
-	}
-
-	// ------------------------------
-	// Private methods
-	// ------------------------------
-
-	async fn handle_live_query_results(&self, res: &Response) {
-		match &res.query_type {
-			QueryType::Live => {
-				if let Ok(Value::Uuid(lqid)) = &res.result {
-					// Match on Uuid type
-					LIVE_QUERIES.write().await.insert(lqid.0, self.id);
-					trace!("Registered live query {} on websocket {}", lqid, self.id);
-				}
-			}
-			QueryType::Kill => {
-				if let Ok(Value::Uuid(lqid)) = &res.result {
-					if let Some(id) = LIVE_QUERIES.write().await.remove(&lqid.0) {
-						trace!("Unregistered live query {} on websocket {}", lqid, id);
-					}
-				}
-			}
-			_ => {}
 		}
 	}
 }
+
+impl RpcContext for Connection {
+	fn kvs(&self) -> &Datastore {
+		DB.get().unwrap()
+	}
+
+	fn session(&self) -> &Session {
+		&self.session
+	}
+
+	fn session_mut(&mut self) -> &mut Session {
+		&mut self.session
+	}
+
+	fn vars(&self) -> &BTreeMap<String, Value> {
+		&self.vars
+	}
+
+	fn vars_mut(&mut self) -> &mut BTreeMap<String, Value> {
+		&mut self.vars
+	}
+
+	fn version_data(&self) -> impl Into<Data> {
+		format!("{PKG_NAME}-{}", *PKG_VERSION)
+	}
+
+	const LQ_SUPPORT: bool = true;
+
+	async fn handle_live(&self, lqid: &Uuid) {
+		LIVE_QUERIES.write().await.insert(*lqid, self.id);
+		trace!("Registered live query {} on websocket {}", lqid, self.id);
+	}
+
+	async fn handle_kill(&self, lqid: &Uuid) {
+		if let Some(id) = LIVE_QUERIES.write().await.remove(lqid) {
+			trace!("Unregistered live query {} on websocket {}", lqid, id);
+		}
+	}
+
+	// reimplimentaions
+
+	async fn signup(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Object(v)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		let out: Result<Value, RpcError> =
+			surrealdb::iam::signup::signup(DB.get().unwrap(), &mut self.session, v)
+				.await
+				.map(Into::into)
+				.map_err(Into::into);
+
+		out
+	}
+
+	async fn signin(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Object(v)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		let out: Result<Value, RpcError> =
+			surrealdb::iam::signin::signin(DB.get().unwrap(), &mut self.session, v)
+				.await
+				.map(Into::into)
+				.map_err(Into::into);
+		out
+	}
+
+	async fn authenticate(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Strand(token)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		surrealdb::iam::verify::token(DB.get().unwrap(), &mut self.session, &token.0).await?;
+		Ok(Value::None)
+	}
+}

src/rpc/failure.rs

@@ -3,6 +3,7 @@ use revision::revisioned;
 use revision::Revisioned;
 use serde::Serialize;
 use std::borrow::Cow;
+use surrealdb::rpc::RpcError;
 use surrealdb::sql::Value;
 
 #[derive(Clone, Debug, Serialize)]
@@ -51,6 +52,20 @@ impl From<Error> for Failure {
 	}
 }
 
+impl From<RpcError> for Failure {
+	fn from(err: RpcError) -> Self {
+		match err {
+			RpcError::ParseError => Failure::PARSE_ERROR,
+			RpcError::InvalidRequest => Failure::INVALID_REQUEST,
+			RpcError::MethodNotFound => Failure::METHOD_NOT_FOUND,
+			RpcError::InvalidParams => Failure::INVALID_PARAMS,
+			RpcError::InternalError(_) => Failure::custom(err.to_string()),
+			RpcError::Thrown(_) => Failure::custom(err.to_string()),
+			_ => Failure::custom(err.to_string()),
+		}
+	}
+}
+
 impl From<Failure> for Value {
 	fn from(err: Failure) -> Self {
 		map! {

src/rpc/format/bincode.rs

@@ -1,22 +1,40 @@
-use crate::rpc::failure::Failure;
+use crate::net::headers::ContentType;
 use crate::rpc::request::Request;
 use crate::rpc::response::Response;
 use axum::extract::ws::Message;
+use axum::response::IntoResponse;
+use axum::response::Response as AxumResponse;
+use bytes::Bytes;
+use http::header::CONTENT_TYPE;
+use http::HeaderValue;
+use surrealdb::rpc::RpcError;
 use surrealdb::sql::serde::deserialize;
 use surrealdb::sql::Value;
 
-pub fn req(msg: Message) -> Result<Request, Failure> {
+pub fn req_ws(msg: Message) -> Result<Request, RpcError> {
 	match msg {
 		Message::Binary(val) => {
-			deserialize::<Value>(&val).map_err(|_| Failure::PARSE_ERROR)?.try_into()
+			deserialize::<Value>(&val).map_err(|_| RpcError::ParseError)?.try_into()
 		}
-		_ => Err(Failure::INVALID_REQUEST),
+		_ => Err(RpcError::InvalidRequest),
 	}
 }
 
-pub fn res(res: Response) -> Result<(usize, Message), Failure> {
+pub fn res_ws(res: Response) -> Result<(usize, Message), RpcError> {
 	// Serialize the response with full internal type information
 	let res = surrealdb::sql::serde::serialize(&res).unwrap();
 	// Return the message length, and message as binary
 	Ok((res.len(), Message::Binary(res)))
 }
+
+pub fn req_http(val: &Bytes) -> Result<Request, RpcError> {
+	deserialize::<Value>(val).map_err(|_| RpcError::ParseError)?.try_into()
+}
+
+pub fn res_http(res: Response) -> Result<AxumResponse, RpcError> {
+	// Serialize the response with full internal type information
+	let res = surrealdb::sql::serde::serialize(&res).unwrap();
+	// Return the message length, and message as binary
+	// TODO: Check what this header should be, I'm being consistent with /sql
+	Ok(([(CONTENT_TYPE, HeaderValue::from(ContentType::Surrealdb))], res).into_response())
+}

src/rpc/format/cbor/mod.rs

@@ -1,27 +1,32 @@
 mod convert;
 
+use bytes::Bytes;
 pub use convert::Cbor;
+use http::header::CONTENT_TYPE;
+use http::HeaderValue;
+use surrealdb::rpc::RpcError;
 
-use crate::rpc::failure::Failure;
+use crate::net::headers::ContentType;
 use crate::rpc::request::Request;
 use crate::rpc::response::Response;
 use axum::extract::ws::Message;
+use axum::response::{IntoResponse, Response as AxumResponse};
 use ciborium::Value as Data;
 
-pub fn req(msg: Message) -> Result<Request, Failure> {
+pub fn req_ws(msg: Message) -> Result<Request, RpcError> {
 	match msg {
 		Message::Text(val) => {
-			surrealdb::sql::value(&val).map_err(|_| Failure::PARSE_ERROR)?.try_into()
+			surrealdb::sql::value(&val).map_err(|_| RpcError::ParseError)?.try_into()
 		}
 		Message::Binary(val) => ciborium::from_reader::<Data, _>(&mut val.as_slice())
-			.map_err(|_| Failure::PARSE_ERROR)
+			.map_err(|_| RpcError::ParseError)
 			.map(Cbor)?
 			.try_into(),
-		_ => Err(Failure::INVALID_REQUEST),
+		_ => Err(RpcError::InvalidRequest),
 	}
 }
 
-pub fn res(res: Response) -> Result<(usize, Message), Failure> {
+pub fn res_ws(res: Response) -> Result<(usize, Message), RpcError> {
 	// Convert the response into a value
 	let val: Cbor = res.into_value().try_into()?;
 	// Create a new vector for encoding output
@@ -31,3 +36,22 @@ pub fn res(res: Response) -> Result<(usize, Message), Failure> {
 	// Return the message length, and message as binary
 	Ok((res.len(), Message::Binary(res)))
 }
+
+pub fn req_http(body: Bytes) -> Result<Request, RpcError> {
+	let val: Vec<u8> = body.into();
+	ciborium::from_reader::<Data, _>(&mut val.as_slice())
+		.map_err(|_| RpcError::ParseError)
+		.map(Cbor)?
+		.try_into()
+}
+
+pub fn res_http(res: Response) -> Result<AxumResponse, RpcError> {
+	// Convert the response into a value
+	let val: Cbor = res.into_value().try_into()?;
+	// Create a new vector for encoding output
+	let mut res = Vec::new();
+	// Serialize the value into CBOR binary data
+	ciborium::into_writer(&val.0, &mut res).unwrap();
+	// Return the message length, and message as binary
+	Ok(([(CONTENT_TYPE, HeaderValue::from(ContentType::Surrealdb))], res).into_response())
+}

src/rpc/format/json.rs

@@ -1,18 +1,23 @@
-use crate::rpc::failure::Failure;
 use crate::rpc::request::Request;
 use crate::rpc::response::Response;
 use axum::extract::ws::Message;
+use axum::response::IntoResponse;
+use axum::response::Response as AxumResponse;
+use bytes::Bytes;
+use http::StatusCode;
+use surrealdb::rpc::RpcError;
+use surrealdb::sql;
 
-pub fn req(msg: Message) -> Result<Request, Failure> {
+pub fn req_ws(msg: Message) -> Result<Request, RpcError> {
 	match msg {
 		Message::Text(val) => {
-			surrealdb::sql::value(&val).map_err(|_| Failure::PARSE_ERROR)?.try_into()
+			surrealdb::sql::value(&val).map_err(|_| RpcError::ParseError)?.try_into()
 		}
-		_ => Err(Failure::INVALID_REQUEST),
+		_ => Err(RpcError::InvalidRequest),
 	}
 }
 
-pub fn res(res: Response) -> Result<(usize, Message), Failure> {
+pub fn res_ws(res: Response) -> Result<(usize, Message), RpcError> {
 	// Convert the response into simplified JSON
 	let val = res.into_json();
 	// Serialize the response with simplified type information
@@ -20,3 +25,18 @@ pub fn res(res: Response) -> Result<(usize, Message), Failure> {
 	// Return the message length, and message as binary
 	Ok((res.len(), Message::Text(res)))
 }
+
+pub fn req_http(val: &Bytes) -> Result<Request, RpcError> {
+	sql::value(std::str::from_utf8(val).or(Err(RpcError::ParseError))?)
+		.or(Err(RpcError::ParseError))?
+		.try_into()
+}
+
+pub fn res_http(res: Response) -> Result<AxumResponse, RpcError> {
+	// Convert the response into simplified JSON
+	let val = res.into_json();
+	// Serialize the response with simplified type information
+	let res = serde_json::to_string(&val).unwrap();
+	// Return the message length, and message as binary
+	Ok((StatusCode::OK, res).into_response())
+}

src/rpc/format/mod.rs

@@ -4,10 +4,14 @@ mod json;
 pub mod msgpack;
 mod revision;
 
+use crate::net::headers::{Accept, ContentType};
 use crate::rpc::failure::Failure;
 use crate::rpc::request::Request;
 use crate::rpc::response::Response;
 use axum::extract::ws::Message;
+use axum::response::Response as AxumResponse;
+use bytes::Bytes;
+use surrealdb::rpc::RpcError;
 
 pub const PROTOCOLS: [&str; 5] = [
 	"json",     // For basic JSON serialisation
@@ -25,6 +29,33 @@ pub enum Format {
 	Msgpack,     // For basic Msgpack serialisation
 	Bincode,     // For full internal serialisation
 	Revision,    // For full versioned serialisation
+	Unsupported, // Unsupported format
+}
+
+impl From<&Accept> for Format {
+	fn from(value: &Accept) -> Self {
+		match value {
+			Accept::TextPlain => Format::None,
+			Accept::ApplicationJson => Format::Json,
+			Accept::ApplicationCbor => Format::Cbor,
+			Accept::ApplicationPack => Format::Msgpack,
+			Accept::ApplicationOctetStream => Format::Unsupported,
+			Accept::Surrealdb => Format::Bincode,
+		}
+	}
+}
+
+impl From<&ContentType> for Format {
+	fn from(value: &ContentType) -> Self {
+		match value {
+			ContentType::TextPlain => Format::None,
+			ContentType::ApplicationJson => Format::Json,
+			ContentType::ApplicationCbor => Format::Cbor,
+			ContentType::ApplicationPack => Format::Msgpack,
+			ContentType::ApplicationOctetStream => Format::Unsupported,
+			ContentType::Surrealdb => Format::Bincode,
+		}
+	}
 }
 
 impl From<&str> for Format {
@@ -46,25 +77,53 @@ impl Format {
 		matches!(self, Format::None)
 	}
 	/// Process a request using the specified format
-	pub fn req(&self, msg: Message) -> Result<Request, Failure> {
+	pub fn req_ws(&self, msg: Message) -> Result<Request, Failure> {
 		match self {
 			Self::None => unreachable!(), // We should never arrive at this code
-			Self::Json => json::req(msg),
+			Self::Unsupported => unreachable!(), // We should never arrive at this code
-			Self::Cbor => cbor::req(msg),
+			Self::Json => json::req_ws(msg),
-			Self::Msgpack => msgpack::req(msg),
+			Self::Cbor => cbor::req_ws(msg),
-			Self::Bincode => bincode::req(msg),
+			Self::Msgpack => msgpack::req_ws(msg),
-			Self::Revision => revision::req(msg),
+			Self::Bincode => bincode::req_ws(msg),
+			Self::Revision => revision::req_ws(msg),
+		}
+		.map_err(Into::into)
+	}
+	/// Process a response using the specified format
+	pub fn res_ws(&self, res: Response) -> Result<(usize, Message), Failure> {
+		match self {
+			Self::None => unreachable!(), // We should never arrive at this code
+			Self::Unsupported => unreachable!(), // We should never arrive at this code
+			Self::Json => json::res_ws(res),
+			Self::Cbor => cbor::res_ws(res),
+			Self::Msgpack => msgpack::res_ws(res),
+			Self::Bincode => bincode::res_ws(res),
+			Self::Revision => revision::res_ws(res),
+		}
+		.map_err(Into::into)
+	}
+	/// Process a request using the specified format
+	pub fn req_http(&self, body: Bytes) -> Result<Request, RpcError> {
+		match self {
+			Self::None => unreachable!(), // We should never arrive at this code
+			Self::Unsupported => unreachable!(), // We should never arrive at this code
+			Self::Json => json::req_http(&body),
+			Self::Cbor => cbor::req_http(body),
+			Self::Msgpack => msgpack::req_http(body),
+			Self::Bincode => bincode::req_http(&body),
+			Self::Revision => revision::req_http(body),
 		}
 	}
 	/// Process a response using the specified format
-	pub fn res(&self, res: Response) -> Result<(usize, Message), Failure> {
+	pub fn res_http(&self, res: Response) -> Result<AxumResponse, RpcError> {
 		match self {
 			Self::None => unreachable!(), // We should never arrive at this code
-			Self::Json => json::res(res),
+			Self::Unsupported => unreachable!(), // We should never arrive at this code
-			Self::Cbor => cbor::res(res),
+			Self::Json => json::res_http(res),
-			Self::Msgpack => msgpack::res(res),
+			Self::Cbor => cbor::res_http(res),
-			Self::Bincode => bincode::res(res),
+			Self::Msgpack => msgpack::res_http(res),
-			Self::Revision => revision::res(res),
+			Self::Bincode => bincode::res_http(res),
+			Self::Revision => revision::res_http(res),
 		}
 	}
 }

src/rpc/format/msgpack/mod.rs

@@ -1,26 +1,31 @@
 mod convert;
 
+use bytes::Bytes;
 pub use convert::Pack;
+use http::header::CONTENT_TYPE;
+use http::HeaderValue;
+use surrealdb::rpc::RpcError;
 
-use crate::rpc::failure::Failure;
+use crate::net::headers::ContentType;
 use crate::rpc::request::Request;
 use crate::rpc::response::Response;
 use axum::extract::ws::Message;
+use axum::response::{IntoResponse, Response as AxumResponse};
 
-pub fn req(msg: Message) -> Result<Request, Failure> {
+pub fn req_ws(msg: Message) -> Result<Request, RpcError> {
 	match msg {
 		Message::Text(val) => {
-			surrealdb::sql::value(&val).map_err(|_| Failure::PARSE_ERROR)?.try_into()
+			surrealdb::sql::value(&val).map_err(|_| RpcError::ParseError)?.try_into()
 		}
 		Message::Binary(val) => rmpv::decode::read_value(&mut val.as_slice())
-			.map_err(|_| Failure::PARSE_ERROR)
+			.map_err(|_| RpcError::ParseError)
 			.map(Pack)?
 			.try_into(),
-		_ => Err(Failure::INVALID_REQUEST),
+		_ => Err(RpcError::InvalidRequest),
 	}
 }
 
-pub fn res(res: Response) -> Result<(usize, Message), Failure> {
+pub fn res_ws(res: Response) -> Result<(usize, Message), RpcError> {
 	// Convert the response into a value
 	let val: Pack = res.into_value().try_into()?;
 	// Create a new vector for encoding output
@@ -30,3 +35,21 @@ pub fn res(res: Response) -> Result<(usize, Message), Failure> {
 	// Return the message length, and message as binary
 	Ok((res.len(), Message::Binary(res)))
 }
+pub fn req_http(body: Bytes) -> Result<Request, RpcError> {
+	let val: Vec<u8> = body.into();
+	rmpv::decode::read_value(&mut val.as_slice())
+		.map_err(|_| RpcError::ParseError)
+		.map(Pack)?
+		.try_into()
+}
+
+pub fn res_http(res: Response) -> Result<AxumResponse, RpcError> {
+	// Convert the response into a value
+	let val: Pack = res.into_value().try_into()?;
+	// Create a new vector for encoding output
+	let mut res = Vec::new();
+	// Serialize the value into MsgPack binary data
+	rmpv::encode::write_value(&mut res, &val.0).unwrap();
+	// Return the message length, and message as binary
+	Ok(([(CONTENT_TYPE, HeaderValue::from(ContentType::ApplicationPack))], res).into_response())
+}

src/rpc/format/revision.rs

@@ -1,23 +1,42 @@
-use crate::rpc::failure::Failure;
+use crate::net::headers::ContentType;
 use crate::rpc::request::Request;
 use crate::rpc::response::Response;
 use axum::extract::ws::Message;
+use axum::response::{IntoResponse, Response as AxumResponse};
+use bytes::Bytes;
+use http::header::CONTENT_TYPE;
+use http::HeaderValue;
 use revision::Revisioned;
+use surrealdb::rpc::RpcError;
 use surrealdb::sql::Value;
 
-pub fn req(msg: Message) -> Result<Request, Failure> {
+pub fn req_ws(msg: Message) -> Result<Request, RpcError> {
 	match msg {
 		Message::Binary(val) => Value::deserialize_revisioned(&mut val.as_slice())
-			.map_err(|_| Failure::PARSE_ERROR)?
+			.map_err(|_| RpcError::ParseError)?
 			.try_into(),
-		_ => Err(Failure::INVALID_REQUEST),
+		_ => Err(RpcError::InvalidRequest),
 	}
 }
 
-pub fn res(res: Response) -> Result<(usize, Message), Failure> {
+pub fn res_ws(res: Response) -> Result<(usize, Message), RpcError> {
 	// Serialize the response with full internal type information
 	let mut buf = Vec::new();
 	res.serialize_revisioned(&mut buf).unwrap();
 	// Return the message length, and message as binary
 	Ok((buf.len(), Message::Binary(buf)))
 }
+
+pub fn req_http(body: Bytes) -> Result<Request, RpcError> {
+	let val: Vec<u8> = body.into();
+	Value::deserialize_revisioned(&mut val.as_slice()).map_err(|_| RpcError::ParseError)?.try_into()
+}
+
+pub fn res_http(res: Response) -> Result<AxumResponse, RpcError> {
+	// Serialize the response with full internal type information
+	let mut buf = Vec::new();
+	res.serialize_revisioned(&mut buf).unwrap();
+	// Return the message length, and message as binary
+	// TODO: Check what this header should be, new header needed for revisioned
+	Ok(([(CONTENT_TYPE, HeaderValue::from(ContentType::Surrealdb))], buf).into_response())
+}

src/rpc/mod.rs

@@ -2,6 +2,7 @@ pub mod args;
 pub mod connection;
 pub mod failure;
 pub mod format;
+pub mod post_context;
 pub mod request;
 pub mod response;
 

src/rpc/post_context.rs

@@ -0,0 +1,103 @@
+use std::collections::BTreeMap;
+
+use crate::cnf::{PKG_NAME, PKG_VERSION};
+use surrealdb::dbs::Session;
+use surrealdb::kvs::Datastore;
+use surrealdb::rpc::args::Take;
+use surrealdb::rpc::Data;
+use surrealdb::rpc::RpcContext;
+use surrealdb::rpc::RpcError;
+use surrealdb::sql::Array;
+use surrealdb::sql::Value;
+
+pub struct PostRpcContext<'a> {
+	pub kvs: &'a Datastore,
+	pub session: Session,
+	pub vars: BTreeMap<String, Value>,
+}
+
+impl<'a> PostRpcContext<'a> {
+	pub fn new(kvs: &'a Datastore, session: Session, vars: BTreeMap<String, Value>) -> Self {
+		Self {
+			kvs,
+			session,
+			vars,
+		}
+	}
+}
+
+impl RpcContext for PostRpcContext<'_> {
+	fn kvs(&self) -> &Datastore {
+		self.kvs
+	}
+
+	fn session(&self) -> &Session {
+		&self.session
+	}
+
+	fn session_mut(&mut self) -> &mut Session {
+		&mut self.session
+	}
+
+	fn vars(&self) -> &BTreeMap<String, Value> {
+		&self.vars
+	}
+
+	fn vars_mut(&mut self) -> &mut BTreeMap<String, Value> {
+		&mut self.vars
+	}
+
+	fn version_data(&self) -> impl Into<Data> {
+		let val: Value = format!("{PKG_NAME}-{}", *PKG_VERSION).into();
+		val
+	}
+
+	// disable:
+
+	// doesn't do anything so shouldn't be supported
+	async fn set(&mut self, _params: Array) -> Result<impl Into<Data>, RpcError> {
+		let out: Result<Value, RpcError> = Err(RpcError::MethodNotFound);
+		out
+	}
+
+	// doesn't do anything so shouldn't be supported
+	async fn unset(&mut self, _params: Array) -> Result<impl Into<Data>, RpcError> {
+		let out: Result<Value, RpcError> = Err(RpcError::MethodNotFound);
+		out
+	}
+
+	// reimplimentaions:
+
+	async fn signup(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Object(v)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		let out: Result<Value, RpcError> =
+			surrealdb::iam::signup::signup(self.kvs, &mut self.session, v)
+				.await
+				.map(Into::into)
+				.map_err(Into::into);
+
+		out
+	}
+
+	async fn signin(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Object(v)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		let out: Result<Value, RpcError> =
+			surrealdb::iam::signin::signin(self.kvs, &mut self.session, v)
+				.await
+				.map(Into::into)
+				.map_err(Into::into);
+		out
+	}
+
+	async fn authenticate(&mut self, params: Array) -> Result<impl Into<Data>, RpcError> {
+		let Ok(Value::Strand(token)) = params.needs_one() else {
+			return Err(RpcError::InvalidParams);
+		};
+		surrealdb::iam::verify::token(self.kvs, &mut self.session, &token.0).await?;
+		Ok(Value::None)
+	}
+}

src/rpc/request.rs

@@ -1,7 +1,7 @@
-use crate::rpc::failure::Failure;
 use crate::rpc::format::cbor::Cbor;
 use crate::rpc::format::msgpack::Pack;
 use once_cell::sync::Lazy;
+use surrealdb::rpc::RpcError;
 use surrealdb::sql::Part;
 use surrealdb::sql::{Array, Value};
 
@@ -16,22 +16,22 @@ pub struct Request {
 }
 
 impl TryFrom<Cbor> for Request {
-	type Error = Failure;
+	type Error = RpcError;
-	fn try_from(val: Cbor) -> Result<Self, Failure> {
+	fn try_from(val: Cbor) -> Result<Self, RpcError> {
-		<Cbor as TryInto<Value>>::try_into(val).map_err(|_| Failure::INVALID_REQUEST)?.try_into()
+		<Cbor as TryInto<Value>>::try_into(val).map_err(|_| RpcError::InvalidRequest)?.try_into()
 	}
 }
 
 impl TryFrom<Pack> for Request {
-	type Error = Failure;
+	type Error = RpcError;
-	fn try_from(val: Pack) -> Result<Self, Failure> {
+	fn try_from(val: Pack) -> Result<Self, RpcError> {
-		<Pack as TryInto<Value>>::try_into(val).map_err(|_| Failure::INVALID_REQUEST)?.try_into()
+		<Pack as TryInto<Value>>::try_into(val).map_err(|_| RpcError::InvalidRequest)?.try_into()
 	}
 }
 
 impl TryFrom<Value> for Request {
-	type Error = Failure;
+	type Error = RpcError;
-	fn try_from(val: Value) -> Result<Self, Failure> {
+	fn try_from(val: Value) -> Result<Self, RpcError> {
 		// Fetch the 'id' argument
 		let id = match val.pick(&*ID) {
 			v if v.is_none() => None,
@@ -40,12 +40,12 @@ impl TryFrom<Value> for Request {
 			v if v.is_number() => Some(v),
 			v if v.is_strand() => Some(v),
 			v if v.is_datetime() => Some(v),
-			_ => return Err(Failure::INVALID_REQUEST),
+			_ => return Err(RpcError::InvalidRequest),
 		};
 		// Fetch the 'method' argument
 		let method = match val.pick(&*METHOD) {
 			Value::Strand(v) => v.to_raw(),
-			_ => return Err(Failure::INVALID_REQUEST),
+			_ => return Err(RpcError::InvalidRequest),
 		};
 		// Fetch the 'params' argument
 		let params = match val.pick(&*PARAMS) {

src/rpc/response.rs

@@ -8,61 +8,10 @@ use serde::Serialize;
 use serde_json::Value as Json;
 use std::sync::Arc;
 use surrealdb::channel::Sender;
-use surrealdb::dbs;
+use surrealdb::rpc::Data;
-use surrealdb::dbs::Notification;
-use surrealdb::sql;
 use surrealdb::sql::Value;
 use tracing::Span;
 
-/// The data returned by the database
-// The variants here should be in exactly the same order as `surrealdb::engine::remote::ws::Data`
-// In future, they will possibly be merged to avoid having to keep them in sync.
-#[derive(Debug, Serialize)]
-#[revisioned(revision = 1)]
-pub enum Data {
-	/// Generally methods return a `sql::Value`
-	Other(Value),
-	/// The query methods, `query` and `query_with` return a `Vec` of responses
-	Query(Vec<dbs::Response>),
-	/// Live queries return a notification
-	Live(Notification),
-	// Add new variants here
-}
-
-impl From<Value> for Data {
-	fn from(v: Value) -> Self {
-		Data::Other(v)
-	}
-}
-
-impl From<String> for Data {
-	fn from(v: String) -> Self {
-		Data::Other(Value::from(v))
-	}
-}
-
-impl From<Notification> for Data {
-	fn from(n: Notification) -> Self {
-		Data::Live(n)
-	}
-}
-
-impl From<Vec<dbs::Response>> for Data {
-	fn from(v: Vec<dbs::Response>) -> Self {
-		Data::Query(v)
-	}
-}
-
-impl From<Data> for Value {
-	fn from(val: Data) -> Self {
-		match val {
-			Data::Query(v) => sql::to_value(v).unwrap(),
-			Data::Live(v) => sql::to_value(v).unwrap(),
-			Data::Other(v) => v,
-		}
-	}
-}
-
 #[derive(Debug, Serialize)]
 #[revisioned(revision = 1)]
 pub struct Response {
@@ -111,7 +60,7 @@ impl Response {
 			span.record("rpc.error_message", err.message.as_ref());
 		}
 		// Process the response for the format
-		let (len, msg) = fmt.res(self).unwrap();
+		let (len, msg) = fmt.res_ws(self).unwrap();
 		// Send the message to the write channel
 		if chn.send(msg).await.is_ok() {
 			record_rpc(cx.as_ref(), len, is_error);