some work

.env

@@ -1 +1 @@
-DATABASE_URL=postgres://postgres:postgres@localhost/hotel
+DATABASE_URL=postgres://postgres@localhost/hotel

.idea/dataSources.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="DataSourceManagerImpl" format="xml" multifile-model="true">
-    <data-source source="LOCAL" name="hotel@localhost" uuid="105f1b61-47ca-4e1f-868e-283fceb34f96">
+    <data-source source="LOCAL" name="hotel@localhost" uuid="fcbea912-4e4c-4fa0-90f4-86901bab7984">
       <driver-ref>postgresql</driver-ref>
       <synchronize>true</synchronize>
       <jdbc-driver>org.postgresql.Driver</jdbc-driver>

Cargo.lock

@@ -581,6 +581,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "hex"
+version = "0.4.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
+
 [[package]]
 name = "hotel"
 version = "0.1.0"
@@ -589,9 +595,11 @@ dependencies = [
  "diesel",
  "diesel_migrations",
  "dotenvy",
+ "hex",
  "log",
  "once_cell",
  "r2d2",
+ "rand",
  "serde",
  "simple_logger",
  "toml 0.7.3",

Cargo.toml

@@ -19,4 +19,7 @@ simple_logger = "4.1.0" # Logging
 diesel = { version = "2.0.0", features = ["postgres", "r2d2"] } # Database
 dotenvy = "0.15"                                                # Database
 diesel_migrations = "2.0.0"                                     # Database
-r2d2 = "0.8.10"                                                 # Database
+r2d2 = "0.8.10"                                                 # Database
+
+rand = "0.8.5"  # Misc.
+hex = "0.4.3"   # Misc.

migrations/2023-03-26-024321_create_users/up.sql

@@ -1,5 +1,6 @@
 CREATE TABLE users (
     id SERIAL NOT NULL PRIMARY KEY,
     name VARCHAR(128) NOT NULL UNIQUE,
-    discord_id BIGINT NOT NULL UNIQUE
+    discord_id BIGINT NOT NULL UNIQUE,
+    password_hash VARCHAR(256) NOT NULL
 );

src/config.rs

@@ -12,20 +12,20 @@ pub static CONFIG: Lazy<HotelConfig> = Lazy::new(|| {
         }
     };
 
-    let config = match toml::from_str(&config_str) {
+    match toml::from_str(&config_str) {
         Ok(cfg) => cfg,
         Err(e) => {
             error!("Unable to parse config file: {}", e);
             std::process::exit(1);
         }
-    };
-
-    config
+    }
 });
 
 #[derive(Serialize, Debug, Deserialize)]
 pub struct HotelConfig {
     pub db_uri: String,
-    pub authorized_3fa_tokens: Vec<String>
+    pub authorized_3fa_tokens: Vec<String>,
+    pub mfa_codes_expire_in: i64,
+    pub authorized_new_user_tokens: Vec<String>
 }
 

src/main.rs

@@ -13,40 +13,18 @@ pub mod config;
 pub mod error;
 pub mod models;
 pub mod schema;
+pub mod routes;
+pub mod util;
 
 pub const MIGRATIONS: EmbeddedMigrations = embed_migrations!();
 
-#[derive(Serialize, Deserialize)]
-pub struct CodeRequest3FA {
-    token: String,
-    user: String
-}
-
-#[post("/v1/3fa_code")]
-pub async fn get_3fa_code(req: Json<CodeRequest3FA>) -> HttpResponse {
-    if !CONFIG.authorized_3fa_tokens.contains(&req.token) {
-        return HttpResponse::Unauthorized().json(APIErrorResponse {
-            errors: vec![
-                APIError {
-                    code: "ERR_INVALID_CODEREQ_TOKEN".to_string(),
-                    message: "Invalid codereq token".to_string(),
-                }
-            ],
-        })
-    }
-
-
-
-    HttpResponse::Ok().body("d")
-}
-
 pub type PgPool = Pool<ConnectionManager<PgConnection>>;
 
 #[actix_web::main]
 async fn main() -> std::io::Result<()> {
     simple_logger::init_with_level(Level::Debug).unwrap();
 
-    info!("Connecting to database...");
+    info!("Connecting to database at {}...", CONFIG.db_uri);
 
     let manager = ConnectionManager::new(&CONFIG.db_uri);
     let pool: PgPool = match Pool::builder().build(manager) {
@@ -91,7 +69,8 @@ async fn main() -> std::io::Result<()> {
                     })
                 ).into()
             }))
-            .service(get_3fa_code)
+            .service(routes::v1::code_3fa::get_3fa_code)
+            .service(routes::v1::user_add::add_user_request)
     })
         .bind(("127.0.0.1", 8080))?
         .run()

src/models.rs

@@ -1,11 +1,21 @@
 use diesel::prelude::*;
+use crate::schema::{users, codes_3fa};
 
 #[derive(Queryable)]
 #[diesel(table_name = users)]
 pub struct User {
     pub id: i32,
     pub name: String,
-    pub discord_id: i64
+    pub discord_id: i64,
+    pub password_hash: String
+}
+
+#[derive(Insertable)]
+#[diesel(table_name = users)]
+pub struct NewUser {
+    pub name: String,
+    pub discord_id: i64,
+    pub password_hash: String
 }
 
 #[derive(Queryable)]
@@ -16,4 +26,12 @@ pub struct Code3FA {
     pub code: String,
     pub user_id: i32,
     pub expires_on: i64
+}
+
+#[derive(Insertable, Clone)]
+#[diesel(table_name = codes_3fa)]
+pub struct NewCode3FA {
+    pub code: String,
+    pub user_id: i32,
+    pub expires_on: i64
 }

src/routes/mod.rs

@@ -0,0 +1 @@
+pub mod v1;

src/routes/v1/code_3fa.rs

@@ -0,0 +1,141 @@
+use actix_web::{HttpResponse, web};
+use actix_web::web::{Data, Json};
+use crate::config::CONFIG;
+use crate::error::{APIError, APIErrorResponse};
+use actix_web::post;
+use diesel::prelude::*;
+use log::error;
+use rand::Rng;
+use serde::{Serialize, Deserialize};
+use crate::models::{Code3FA, NewCode3FA, User};
+use crate::PgPool;
+use crate::util::current_unix_time;
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct CodeRequest3FA {
+    token: String,
+    user: String
+}
+
+#[derive(Serialize, Deserialize)]
+pub struct CodeResponse {
+    user: String,
+    code: String,
+    id: i32,
+    valid_until: i64
+}
+
+#[post("/v1/3fa_code")]
+pub async fn get_3fa_code(pool: Data<PgPool>, req: Json<CodeRequest3FA>) -> HttpResponse {
+    use crate::schema::users;
+    use crate::schema::codes_3fa;
+
+    if !CONFIG.authorized_3fa_tokens.contains(&req.token) {
+        return HttpResponse::Unauthorized().json(APIErrorResponse {
+            errors: vec![
+                APIError {
+                    code: "ERR_INVALID_CODEREQ_TOKEN".to_string(),
+                    message: "Invalid codereq token".to_string(),
+                }
+            ],
+        })
+    }
+
+    let req_clone = req.clone();
+    let pool_clone = pool.clone();
+    let results = match web::block(move || {
+        let mut conn = pool_clone.get().expect("Unable to get db pool");
+        users::table.filter(users::name.eq(&req_clone.user)).load::<User>(&mut conn)
+    }).await {
+        Ok(r) => r,
+        Err(e) => {
+            error!("Database error: {}", e);
+            return HttpResponse::InternalServerError().json(APIErrorResponse {
+                errors: vec![
+                    APIError {
+                        code: "ERR_BLOCKING_ERROR".to_string(),
+                        message: "There was an error running the database request. Please try again later.".to_string()
+                    }
+                ]
+            })
+        }
+    };
+    let user_list = match results {
+        Ok(r) => r,
+        Err(e) => {
+            error!("Database error: {}", e);
+            return HttpResponse::InternalServerError().json(APIErrorResponse {
+                errors: vec![
+                    APIError {
+                        code: "ERR_DB_ERROR".to_string(),
+                        message: "There was an error fetching the user. Please try again later.".to_string()
+                    }
+                ]
+            })
+        }
+    };
+    if user_list.is_empty() {
+        return HttpResponse::Unauthorized().json(APIErrorResponse {
+            errors: vec![
+                APIError {
+                    code: "ERR_USER_DOES_NOT_EXIST".to_string(),
+                    message: "Cannot issue codereq for a non-existent user".to_string()
+                }
+            ]
+        })
+    }
+    let user = &user_list[0];
+
+    let codereq = NewCode3FA {
+        code: random_3fa_code(),
+        user_id: user.id,
+        expires_on: current_unix_time() + CONFIG.mfa_codes_expire_in,
+    };
+
+    let codereq_clone = codereq.clone();
+    let insert_result: QueryResult<Code3FA> = match web::block(move || {
+        let mut conn = pool.get().expect("Unable to get db pool");
+        diesel::insert_into(codes_3fa::table).values(codereq_clone).get_result(&mut conn)
+    }).await {
+        Ok(r) => r,
+        Err(e) => {
+            error!("Database error: {}", e);
+            return HttpResponse::InternalServerError().json(APIErrorResponse {
+                errors: vec![
+                    APIError {
+                        code: "ERR_BLOCKING_ERROR".to_string(),
+                        message: "There was an error running the insert database request. Please try again later.".to_string()
+                    }
+                ]
+            })
+        }
+    };
+    let code = match insert_result {
+        Ok(r) => r,
+        Err(e) => {
+            error!("Database error: {}", e);
+            return HttpResponse::InternalServerError().json(APIErrorResponse {
+                errors: vec![
+                    APIError {
+                        code: "ERR_DB_ERROR".to_string(),
+                        message: "There was an error creating the codereq. Please try again later.".to_string()
+                    }
+                ]
+            })
+        }
+    };
+
+    HttpResponse::Ok().json(CodeResponse {
+        user: req.user.clone(),
+        code: code.code,
+        id: code.id,
+        valid_until: code.expires_on,
+    })
+}
+
+fn random_3fa_code() -> String {
+    // 3fa codes are 10-digit hex values (5-byte)
+    let mut rng = rand::thread_rng();
+    let bytes: [u8; 5] = rng.gen();
+    hex::encode(bytes)
+}

src/routes/v1/mod.rs

@@ -0,0 +1,2 @@
+pub mod code_3fa;
+pub mod user_add;

src/routes/v1/user_add.rs

@@ -0,0 +1,31 @@
+use actix_web::HttpResponse;
+use actix_web::post;
+use actix_web::web::{Data, Json};
+use serde::{Serialize, Deserialize};
+use crate::config::CONFIG;
+use crate::error::{APIError, APIErrorResponse};
+use crate::PgPool;
+
+#[derive(Serialize, Deserialize, Clone)]
+pub struct UserAddRequest {
+    pub token: String,
+    pub name: String,
+    pub discord_id: i64,
+    pub password_hash: String
+}
+
+#[post("/v1/user/add")]
+pub async fn add_user_request(db: Data<PgPool>, req: Json<UserAddRequest>) -> HttpResponse {
+    if !CONFIG.authorized_new_user_tokens.contains(&req.token) {
+        return HttpResponse::Unauthorized().json(APIErrorResponse {
+            errors: vec![
+                APIError {
+                    code: "ERR_INVALID_NEW_USER_TOKEN".to_string(),
+                    message: "Invalid newuser token".to_string(),
+                }
+            ],
+        })
+    }
+
+    HttpResponse::Ok().body("d")
+}

src/schema.rs

@@ -14,6 +14,7 @@ diesel::table! {
         id -> Int4,
         name -> Varchar,
         discord_id -> Int8,
+        password_hash -> Varchar,
     }
 }
 

src/util.rs

@@ -0,0 +1,12 @@
+use std::ops::Add;
+use std::time::{Duration, SystemTime, UNIX_EPOCH};
+
+pub fn current_unix_time() -> i64 {
+    let time = SystemTime::now().duration_since(UNIX_EPOCH).expect("Time went backwards").as_secs();
+    time as i64
+}
+
+pub fn has_expired(time: i64) -> bool {
+    let time = SystemTime::UNIX_EPOCH.add(Duration::from_secs(time as u64));
+    SystemTime::now().lt(&time)
+}