From f2190adfc2963e4067c5facf4656702db8803d58 Mon Sep 17 00:00:00 2001
From: Baptiste Gelez <baptiste@gelez.xyz>
Date: Sun, 21 Oct 2018 17:22:27 +0100
Subject: [PATCH] Add an API endpoint to register apps

---
 plume-api/src/apps.rs    | 13 ++++++++
 plume-api/src/lib.rs     |  1 +
 plume-models/src/apps.rs | 64 +++++++++++++++++++++++++++++++++++++++-
 src/api/apps.rs          | 16 ++++++++++
 src/api/mod.rs           |  1 +
 src/main.rs              |  3 ++
 6 files changed, 97 insertions(+), 1 deletion(-)
 create mode 100644 plume-api/src/apps.rs
 create mode 100644 src/api/apps.rs

diff --git a/plume-api/src/apps.rs b/plume-api/src/apps.rs
new file mode 100644
index 00000000..099511da
--- /dev/null
+++ b/plume-api/src/apps.rs
@@ -0,0 +1,13 @@
+use canapi::Endpoint;
+
+#[derive(Clone, Default, Serialize, Deserialize)]
+pub struct AppEndpoint {
+    pub id: Option<i32>,
+    pub name: Option<String>,
+    pub website: Option<String>,
+    pub redirect_uri: Option<String>,
+    pub client_id: Option<String>,
+    pub client_secret: Option<String>,
+}
+
+api!("/api/v1/apps" => AppEndpoint);
diff --git a/plume-api/src/lib.rs b/plume-api/src/lib.rs
index a7d66d39..315b6be9 100644
--- a/plume-api/src/lib.rs
+++ b/plume-api/src/lib.rs
@@ -15,4 +15,5 @@ macro_rules! api {
     };
 }
 
+pub mod apps;
 pub mod posts;
diff --git a/plume-models/src/apps.rs b/plume-models/src/apps.rs
index ff398c41..a636c410 100755
--- a/plume-models/src/apps.rs
+++ b/plume-models/src/apps.rs
@@ -1,7 +1,13 @@
+use canapi::{Error, Provider};
 use chrono::NaiveDateTime;
+use diesel::{self, RunQueryDsl, QueryDsl, ExpressionMethods};
+use openssl::rand::rand_bytes;
 
+use plume_api::apps::AppEndpoint;
+use Connection;
 use schema::apps;
 
+#[derive(Clone, Queryable)]
 pub struct App {
     pub id: i32,
     pub name: String,
@@ -12,7 +18,63 @@ pub struct App {
     pub creation_date: NaiveDateTime,
 }
 
+#[derive(Insertable)]
+#[table_name= "apps"]
+pub struct NewApp {
+    pub name: String,
+    pub client_id: String,
+    pub client_secret: String,
+    pub redirect_uri: Option<String>,
+    pub website: Option<String>,    
+}
+
+impl Provider<Connection> for App {
+    type Data = AppEndpoint;
+
+    fn get(conn: &Connection, id: i32) -> Result<AppEndpoint, Error> {
+        unimplemented!()
+    }
+
+    fn list(conn: &Connection, query: AppEndpoint) -> Vec<AppEndpoint> {
+        unimplemented!()
+    }
+
+    fn create(conn: &Connection, data: AppEndpoint) -> Result<AppEndpoint, Error> {
+        let mut id = [0; 32];
+        rand_bytes(&mut id).expect("Error while generating client id");
+        let client_id = id.into_iter().fold(String::new(), |res, byte| format!("{}{:x}", res, byte)); 
+        
+        let mut secret = [0; 32];
+        rand_bytes(&mut secret).expect("Error while generating client secret");
+        let client_secret = secret.into_iter().fold(String::new(), |res, byte| format!("{}{:x}", res, byte)); 
+        let app = App::insert(conn, NewApp {
+            name: data.name.expect("App::create: name is required"),
+            client_id: client_id,
+            client_secret: client_secret,
+            redirect_uri: data.redirect_uri,
+            website: data.website,
+        });
+
+        Ok(AppEndpoint {
+            id: Some(app.id),
+            name: Some(app.name),
+            client_id: Some(app.client_id),
+            client_secret: Some(app.client_secret),
+            redirect_uri: app.redirect_uri,
+            website: app.website,
+        })
+    }
+
+    fn update(conn: &Connection, id: i32, new_data: AppEndpoint) -> Result<AppEndpoint, Error> {
+        unimplemented!()
+    }
+    
+    fn delete(conn: &Connection, id: i32) {
+        unimplemented!()
+    }
+}
+
 impl App {
-    get!(apps, App);
+    get!(apps);
     insert!(apps, NewApp);
 } 
diff --git a/src/api/apps.rs b/src/api/apps.rs
new file mode 100644
index 00000000..b69a225d
--- /dev/null
+++ b/src/api/apps.rs
@@ -0,0 +1,16 @@
+use canapi::Provider;
+use rocket_contrib::Json;
+use serde_json;
+
+use plume_api::apps::AppEndpoint;
+use plume_models::{
+    Connection,
+    db_conn::DbConn,
+    apps::App,
+};
+
+#[post("/apps", data = "<data>")]
+fn create(conn: DbConn, data: Json<AppEndpoint>) -> Json<serde_json::Value> {
+    let post = <App as Provider<Connection>>::create(&*conn, (*data).clone()).ok();
+    Json(json!(post))
+}
diff --git a/src/api/mod.rs b/src/api/mod.rs
index 83d81e78..1e1d1680 100644
--- a/src/api/mod.rs
+++ b/src/api/mod.rs
@@ -1 +1,2 @@
+pub mod apps;
 pub mod posts;
diff --git a/src/main.rs b/src/main.rs
index 8a1cec2d..a2395a8e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -156,6 +156,8 @@ fn main() {
             routes::errors::csrf_violation
         ])
         .mount("/api/v1", routes![
+            api::apps::create,
+
             api::posts::get,
             api::posts::list,
         ])
@@ -176,6 +178,7 @@ fn main() {
                     ("/@/<name>/inbox".to_owned(), "/@/<name>/inbox".to_owned(), rocket::http::Method::Post),
                     ("/login".to_owned(), "/login".to_owned(), rocket::http::Method::Post),
                     ("/users/new".to_owned(), "/users/new".to_owned(), rocket::http::Method::Post),
+                    ("/api/v1/<endpoint>".to_owned(), "/api/v1/<endpoint>".to_owned(), rocket::http::Method::Post)
                 ])
                 .finalize().expect("main: csrf fairing creation error"))
         .launch();