impl FromRequest for ApiToken
and use it for the posts API
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parent
663ec52fea
commit
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@ -1,6 +1,12 @@
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use chrono::NaiveDateTime;
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use diesel::{self, ExpressionMethods, QueryDsl, RunQueryDsl};
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use rocket::{
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Outcome,
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http::Status,
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request::{self, FromRequest, Request}
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};
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use db_conn::DbConn;
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use schema::api_tokens;
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#[derive(Clone, Queryable)]
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@ -37,4 +43,46 @@ impl ApiToken {
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get!(api_tokens);
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insert!(api_tokens, NewApiToken);
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find_by!(api_tokens, find_by_value, value as String);
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fn can(&self, what: &'static str, scope: &'static str) -> bool {
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let full_scope = what.to_owned() + ":" + scope;
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for s in self.scopes.split('+') {
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if s == what || s == full_scope {
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return true
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}
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}
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false
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}
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pub fn can_read(&self, what: &'static str) -> bool {
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self.can("read", what)
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}
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pub fn can_write(&self, what: &'static str) -> bool {
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self.can("write", what)
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}
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}
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impl<'a, 'r> FromRequest<'a, 'r> for ApiToken {
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type Error = ();
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fn from_request(request: &'a Request<'r>) -> request::Outcome<ApiToken, ()> {
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let headers: Vec<_> = request.headers().get("Authorization").collect();
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if headers.len() != 1 {
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return Outcome::Failure((Status::BadRequest, ()));
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}
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let mut parsed_header = headers[0].split(' ');
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let auth_type = parsed_header.next().expect("Expect a token type");
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let val = parsed_header.next().expect("Expect a token value");
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if auth_type == "Bearer" {
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let conn = request.guard::<DbConn>().expect("Couldn't connect to DB");
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if let Some(token) = ApiToken::find_by_value(&*conn, val.to_string()) {
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return Outcome::Success(token);
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}
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}
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return Outcome::Forward(());
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}
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}
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@ -7,19 +7,31 @@ use serde_qs;
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use plume_api::posts::PostEndpoint;
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use plume_models::{
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Connection,
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api_tokens::ApiToken,
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db_conn::DbConn,
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posts::Post,
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};
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#[get("/posts/<id>")]
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fn get(id: i32, conn: DbConn) -> Json<serde_json::Value> {
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fn get(id: i32, conn: DbConn, token: ApiToken) -> Json<serde_json::Value> {
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if token.can_read("posts") {
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let post = <Post as Provider<Connection>>::get(&*conn, id).ok();
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Json(json!(post))
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} else {
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Json(json!({
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"error": "Unauthorized"
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}))
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}
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}
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#[get("/posts")]
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fn list(conn: DbConn, uri: &Origin) -> Json<serde_json::Value> {
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fn list(conn: DbConn, uri: &Origin, token: ApiToken) -> Json<serde_json::Value> {
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if token.can_read("posts") {
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let query: PostEndpoint = serde_qs::from_str(uri.query().unwrap_or("")).expect("api::list: invalid query error");
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let post = <Post as Provider<Connection>>::list(&*conn, query);
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Json(json!(post))
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}
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} else {
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Json(json!({
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"error": "Unauthorized"
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}))
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}}
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