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use std::sync::Arc;
use axum::body::Bytes;
use axum::extract::{MatchedPath, Path, State};
use axum::http::{HeaderMap, StatusCode};
use axum::response::{IntoResponse, Redirect};
use axum::{Form, Json};
use axum_extra::extract::CookieJar;
use flexbuffers::{BuilderOptions, VectorBuilder};
use ordinary_config::ActionTrigger;
use ordinary_types::{
Kind, flexbuffer_reader_to_json, flexbuffer_reader_to_path_component, json_to_flexbuffer_vec,
};
use crate::server::OrdinaryAppServerState;
use base64::{Engine as B64Engine, engine::general_purpose::URL_SAFE_NO_PAD as b64};
use hyper::header::CONTENT_TYPE;
use ordinary_action::Action;
pub async fn invoke(
State(state): State<Arc<OrdinaryAppServerState>>,
Path(idx): Path<u8>,
headers: HeaderMap,
body: Bytes,
) -> impl IntoResponse {
// todo: check origin for valid template.actions routes
let span = tracing::info_span!(
"action",
i = tracing::field::Empty,
nm = tracing::field::Empty,
tgr = "Ordinary",
);
span.in_scope(|| {
if let Ok(root) = flexbuffers::Reader::get_root(body.as_ref())
&& let Some(action) = state.actions.get(idx as usize)
{
span.record("i", action.config.idx);
span.record("nm", tracing::field::display(&action.config.name));
let mut builder = flexbuffers::Builder::new(&BuilderOptions::SHARE_NONE);
let mut payload_vec = builder.start_vector();
if let Err(err) =
action
.config
.accepts
.copy_to(&root.as_vector().idx(0), &mut payload_vec, None)
{
tracing::error!(%err);
return StatusCode::INTERNAL_SERVER_ERROR.into_response();
}
if let Some(value) = check_auth_header(&state, &headers, action, &mut payload_vec) {
return value.into_response();
}
payload_vec.end_vector();
if let Ok(res) = action.call(builder.view(), &state.actions) {
return (StatusCode::OK, res).into_response();
}
}
StatusCode::NOT_FOUND.into_response()
})
}
#[allow(clippy::too_many_lines)]
pub async fn form(
State(state): State<Arc<OrdinaryAppServerState>>,
path: MatchedPath,
jar: CookieJar,
body: Form<serde_json::Value>,
) -> Result<Redirect, StatusCode> {
// todo: check origin for valid template.actions routes
let span = tracing::info_span!(
"action",
i = tracing::field::Empty,
nm = tracing::field::Empty,
tgr = "Form",
);
span.in_scope(|| {
if let Some(idx) = state.action_route_map.get(path.as_str())
&& let Some(action) = state.actions.get(*idx)
{
span.record("i", action.config.idx);
span.record("nm", tracing::field::display(&action.config.name));
let mut builder = flexbuffers::Builder::new(&BuilderOptions::SHARE_NONE);
let mut payload_vec = builder.start_vector();
if let Err(err) =
json_to_flexbuffer_vec(&action.config.accepts, &body, &mut payload_vec)
{
tracing::error!("{err}");
return Err(StatusCode::INTERNAL_SERVER_ERROR);
}
if let Some(_check) = &action.config.protected {
let cookie_name = if state.secure_cookies {
"__Host-ORDINARY-ACCESS-TOKEN"
} else {
"ORDINARY-ACCESS-TOKEN"
};
let token = if let Some(token) = jar.get(cookie_name) {
if let Ok(token) = b64.decode(token.value()) {
token
} else {
return Err(StatusCode::UNAUTHORIZED);
}
} else {
return Err(StatusCode::UNAUTHORIZED);
};
match state.auth.verify_access_token(&token) {
Ok((_account, claims_root)) => {
let mut claims_vec = payload_vec.start_vector();
let empty_system_claims = claims_vec.start_vector();
empty_system_claims.end_vector();
for field in &state.auth.config.access_token.claims {
// todo: use the check to validate any claims
if let Err(err) = field.kind.copy_to(
&claims_root.idx(field.idx as usize),
&mut claims_vec,
None,
) {
tracing::error!(%err);
return Err(StatusCode::INTERNAL_SERVER_ERROR);
}
}
claims_vec.end_vector();
}
Err(err) => {
tracing::error!("{err}");
return Err(StatusCode::UNAUTHORIZED);
}
}
}
payload_vec.end_vector();
match action.call(builder.view(), &state.actions) {
Ok(res) => match flexbuffers::Reader::get_root(&res[..]) {
Ok(root) => {
for trigger in &action.config.triggered_by {
if let ActionTrigger::Form {
route: _,
method: _,
redirect,
} = trigger
{
let mut redirect = redirect.clone();
if let Ok(payload_root) =
flexbuffers::Reader::get_root(builder.view())
{
if redirect.contains("{accepts}") {
redirect = redirect.replace(
"{accepts}",
&match flexbuffer_reader_to_path_component(
&action.config.returns,
&payload_root.as_vector().idx(0),
) {
Ok(v) => v,
Err(err) => {
tracing::error!(%err);
return Err(StatusCode::INTERNAL_SERVER_ERROR);
}
},
);
}
if redirect.contains("{accepts.")
&& let Kind::Object { name: _, fields } =
&action.config.accepts
{
let accepts_vec =
payload_root.as_vector().idx(0).as_vector();
for field in fields {
redirect = redirect.replace(
&format!("{{accepts.{}}}", field.name),
&match flexbuffer_reader_to_path_component(
&field.kind,
&accepts_vec.idx(field.idx as usize),
) {
Ok(v) => v,
Err(err) => {
tracing::error!(%err);
return Err(
StatusCode::INTERNAL_SERVER_ERROR,
);
}
},
);
}
}
// todo: handle `accepts` lists
}
if redirect.contains("{returns}") {
redirect = redirect.replace(
"{returns}",
&match flexbuffer_reader_to_path_component(
&action.config.returns,
&root,
) {
Ok(v) => v,
Err(err) => {
tracing::error!(%err);
return Err(StatusCode::INTERNAL_SERVER_ERROR);
}
},
);
}
if redirect.contains("{returns.")
&& let Kind::Object { name: _, fields } = &action.config.returns
{
let root_vec = root.as_vector();
for field in fields {
redirect = redirect.replace(
&format!("{{returns.{}}}", field.name),
&match flexbuffer_reader_to_path_component(
&field.kind,
&root_vec.idx(field.idx as usize),
) {
Ok(v) => v,
Err(err) => {
tracing::error!(%err);
return Err(StatusCode::INTERNAL_SERVER_ERROR);
}
},
);
}
}
// todo: handle `returns` lists
return Ok(Redirect::to(&redirect));
}
}
}
Err(err) => tracing::error!("{err}"),
},
Err(err) => {
tracing::error!("{err}");
}
}
}
Err(StatusCode::INTERNAL_SERVER_ERROR)
})
}
#[allow(clippy::too_many_lines)]
pub async fn json(
State(state): State<Arc<OrdinaryAppServerState>>,
path: MatchedPath,
headers: HeaderMap,
Json(json_body): Json<serde_json::Value>,
) -> impl IntoResponse {
// todo: check origin for valid template.actions routes
let span = tracing::info_span!(
"action",
i = tracing::field::Empty,
nm = tracing::field::Empty,
tgr = "Json",
);
span.in_scope(|| {
if let Some(idx) = state.action_route_map.get(path.as_str()) {
return if let Some(action) = state.actions.get(*idx) {
span.record("i", action.config.idx);
span.record("nm", tracing::field::display(&action.config.name));
let mut builder = flexbuffers::Builder::new(&BuilderOptions::SHARE_NONE);
let mut payload_vec = builder.start_vector();
if let Err(err) =
json_to_flexbuffer_vec(&action.config.accepts, &json_body, &mut payload_vec)
{
tracing::error!("{err}");
return StatusCode::INTERNAL_SERVER_ERROR.into_response();
}
if let Some(value) = check_auth_header(&state, &headers, action, &mut payload_vec) {
return value.into_response();
}
payload_vec.end_vector();
match action.call(builder.view(), &state.actions) {
Ok(res) => match flexbuffers::Reader::get_root(&res[..]) {
Ok(root) => {
let json_res =
match flexbuffer_reader_to_json(&action.config.returns, &root) {
Ok(res) => res,
Err(err) => {
tracing::error!(%err);
return StatusCode::INTERNAL_SERVER_ERROR.into_response();
}
};
(
StatusCode::OK,
[(CONTENT_TYPE, "application/json")],
json_res.to_string(),
)
.into_response()
}
Err(err) => {
tracing::error!("{err}");
StatusCode::INTERNAL_SERVER_ERROR.into_response()
}
},
Err(err) => {
tracing::error!("{err}");
StatusCode::INTERNAL_SERVER_ERROR.into_response()
}
}
} else {
tracing::error!("no action at for idx {}", idx);
StatusCode::NOT_FOUND.into_response()
};
}
tracing::error!("no action at path {}", path.as_str());
StatusCode::NOT_FOUND.into_response()
})
}
fn check_auth_header(
state: &Arc<OrdinaryAppServerState>,
headers: &HeaderMap,
action: &Action,
payload_vec: &mut VectorBuilder,
) -> Option<StatusCode> {
if let Some(_check) = &action.config.protected {
if let Some(val) = headers.get("authorization") {
if let Ok(str_val) = val.to_str() {
if let Some(b64_token) = str_val.strip_prefix("Bearer ") {
if let Ok(token) = b64.decode(b64_token) {
match state.auth.verify_access_token(&token) {
Ok((_account, claims_root)) => {
let mut claims_vec = payload_vec.start_vector();
let empty_system_claims = claims_vec.start_vector();
empty_system_claims.end_vector();
for field in &state.auth.config.access_token.claims {
// todo: use the check to validate any claims
if let Err(err) = field.kind.copy_to(
&claims_root.idx(field.idx as usize),
&mut claims_vec,
None,
) {
tracing::error!(%err);
return Some(StatusCode::INTERNAL_SERVER_ERROR);
}
}
claims_vec.end_vector();
}
Err(err) => {
tracing::error!("{err}");
return Some(StatusCode::UNAUTHORIZED);
}
}
} else {
return Some(StatusCode::UNAUTHORIZED);
}
} else {
return Some(StatusCode::UNAUTHORIZED);
}
} else {
return Some(StatusCode::UNAUTHORIZED);
}
} else {
return Some(StatusCode::UNAUTHORIZED);
}
}
None
}