Moved code & started split into binary & library

src/auth/jwt.rs

@@ -3,15 +3,14 @@ use diesel::PgConnection;
 use hmac::{Hmac, NewMac};
 use jwt::SignWithKey;
 use rand::{thread_rng, Rng};
+use rb::{
+    auth::JwtConf,
+    errors::{RbError, RbResult},
+};
+use rb_gw::db;
 use serde::{Deserialize, Serialize};
 use sha2::Sha256;
 
-use crate::{
-    db,
-    errors::{RbError, RbResult},
-    RbJwtConf,
-};
-
 #[derive(Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct JWTResponse
@@ -31,7 +30,7 @@ pub struct Claims
 
 pub fn generate_jwt_token(
     conn: &PgConnection,
-    jwt: &RbJwtConf,
+    jwt: &JwtConf,
     user: &db::User,
 ) -> RbResult<JWTResponse>
 {
@@ -78,7 +77,7 @@ pub fn generate_jwt_token(
 
 pub fn refresh_token(
     conn: &PgConnection,
-    jwt: &RbJwtConf,
+    jwt: &JwtConf,
     refresh_token: &str,
 ) -> RbResult<JWTResponse>
 {

src/db/mod.rs

@@ -0,0 +1,8 @@
+//! The db module contains all Diesel-related logic. This is to prevent the various Diesel imports
+//! from poluting other modules' namespaces.
+
+pub mod tokens;
+pub mod users;
+
+pub use tokens::{NewRefreshToken, RefreshToken};
+pub use users::{NewUser, User};

src/db/tokens.rs

@@ -0,0 +1,120 @@
+//! Handles refresh token-related database operations.
+
+use diesel::{insert_into, prelude::*, Insertable, PgConnection, Queryable};
+use rb::errors::{RbError, RbResult};
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+use crate::schema::{refresh_tokens, refresh_tokens::dsl::*};
+
+/// A refresh token as stored in the database
+#[derive(Queryable, Serialize)]
+pub struct RefreshToken
+{
+    pub token: Vec<u8>,
+    pub user_id: Uuid,
+    pub expires_at: chrono::NaiveDateTime,
+    pub last_used_at: Option<chrono::NaiveDateTime>,
+}
+
+/// A new refresh token to be added into the database
+#[derive(Deserialize, Insertable)]
+#[table_name = "refresh_tokens"]
+pub struct NewRefreshToken
+{
+    pub token: Vec<u8>,
+    pub user_id: Uuid,
+    pub expires_at: chrono::NaiveDateTime,
+}
+
+#[derive(Deserialize, AsChangeset)]
+#[table_name = "refresh_tokens"]
+pub struct PatchRefreshToken
+{
+    pub expires_at: Option<chrono::NaiveDateTime>,
+    pub last_used_at: Option<chrono::NaiveDateTime>,
+}
+
+pub fn get(conn: &PgConnection, offset_: u32, limit_: u32) -> RbResult<Vec<RefreshToken>>
+{
+    Ok(refresh_tokens
+        .offset(offset_.into())
+        .limit(limit_.into())
+        .load(conn)
+        .map_err(|_| RbError::DbError("Couldn't query tokens."))?)
+}
+
+pub fn create(conn: &PgConnection, new_token: &NewRefreshToken) -> RbResult<RefreshToken>
+{
+    Ok(insert_into(refresh_tokens)
+        .values(new_token)
+        .get_result(conn)
+        .map_err(|_| RbError::DbError("Couldn't insert refresh token."))?)
+
+    // TODO check for conflict?
+}
+
+pub fn update(
+    conn: &PgConnection,
+    token_: &[u8],
+    patch_token: &PatchRefreshToken,
+) -> RbResult<RefreshToken>
+{
+    Ok(diesel::update(refresh_tokens.filter(token.eq(token_)))
+        .set(patch_token)
+        .get_result(conn)
+        .map_err(|_| RbError::DbError("Couldn't update token."))?)
+}
+
+pub fn delete(conn: &PgConnection, token_: &[u8]) -> RbResult<()>
+{
+    diesel::delete(refresh_tokens.filter(token.eq(token_)))
+        .execute(conn)
+        .map_err(|_| RbError::DbError("Couldn't delete token."))?;
+
+    Ok(())
+}
+
+/// Returns the token & user data associated with the given refresh token value.
+///
+/// # Arguments
+///
+/// * `conn` - database connection to use
+/// * `token_val` - token value to search for
+pub fn find_with_user(
+    conn: &PgConnection,
+    token_: &[u8],
+) -> Option<(RefreshToken, super::users::User)>
+{
+    // TODO actually check for errors here
+    refresh_tokens
+        .inner_join(crate::schema::users::dsl::users)
+        .filter(token.eq(token_))
+        .first::<(RefreshToken, super::users::User)>(conn)
+        .map_err(|_| RbError::DbError("Couldn't get refresh token & user."))
+        .ok()
+}
+
+/// Updates a token's `last_used_at` column value.
+///
+/// # Arguments
+///
+/// * `conn` - database connection to use
+/// * `token_` - value of the refresh token to update
+/// * `last_used_at_` - date value to update column with
+///
+/// **NOTE**: argument names use trailing underscores as to not conflict with Diesel's imported dsl
+/// names.
+pub fn update_last_used_at(
+    conn: &PgConnection,
+    token_: &[u8],
+    last_used_at_: chrono::NaiveDateTime,
+) -> RbResult<()>
+{
+    diesel::update(refresh_tokens.filter(token.eq(token_)))
+        .set(last_used_at.eq(last_used_at_))
+        .execute(conn)
+        .map_err(|_| RbError::DbError("Couldn't update last_used_at."))?;
+
+    Ok(())
+}

src/db/users.rs

@@ -0,0 +1,129 @@
+use diesel::{prelude::*, AsChangeset, Insertable, Queryable};
+use rb::errors::{RbError, RbResult};
+use serde::{Deserialize, Serialize};
+use uuid::Uuid;
+
+use crate::schema::{users, users::dsl::*};
+
+#[derive(Queryable, Serialize)]
+pub struct User
+{
+    pub id: Uuid,
+    pub username: String,
+    #[serde(skip_serializing)]
+    pub password: String,
+    pub blocked: bool,
+    pub admin: bool,
+}
+
+#[derive(Insertable, Deserialize)]
+#[table_name = "users"]
+pub struct NewUser
+{
+    pub username: String,
+    pub password: String,
+    pub admin: bool,
+}
+
+#[derive(Deserialize, AsChangeset)]
+#[table_name = "users"]
+#[serde(rename_all = "camelCase")]
+pub struct PatchSection
+{
+    username: Option<String>,
+    admin: Option<bool>,
+}
+
+pub fn get(conn: &PgConnection, offset_: u32, limit_: u32) -> RbResult<Vec<User>>
+{
+    Ok(users
+        .offset(offset_.into())
+        .limit(limit_.into())
+        .load(conn)
+        .map_err(|_| RbError::DbError("Couldn't query users."))?)
+}
+
+pub fn find(conn: &PgConnection, user_id: Uuid) -> Option<User>
+{
+    users.find(user_id).first::<User>(conn).ok()
+}
+
+pub fn find_by_username(conn: &PgConnection, username_: &str) -> RbResult<User>
+{
+    Ok(users
+        .filter(username.eq(username_))
+        .first::<User>(conn)
+        .map_err(|_| RbError::DbError("Couldn't find users by username."))?)
+}
+
+/// Insert a new user into the database
+///
+/// # Arguments
+///
+/// * `conn` - database connection to use
+/// * `new_user` - user to insert
+pub fn create(conn: &PgConnection, new_user: &NewUser) -> RbResult<()>
+{
+    let count = diesel::insert_into(users)
+        .values(new_user)
+        .execute(conn)
+        .map_err(|_| RbError::DbError("Couldn't create user."))?;
+
+    if count == 0 {
+        return Err(RbError::UMDuplicateUser);
+    }
+
+    Ok(())
+}
+
+/// Either create a new user or update an existing one on conflict.
+///
+/// # Arguments
+///
+/// * `conn` - database connection to use
+/// * `new_user` - user to insert/update
+// pub fn create_or_update(conn: &PgConnection, new_user: &NewUser) -> RbResult<()>
+// {
+//     diesel::insert_into(users)
+//         .values(new_user)
+//         .on_conflict(username)
+//         .do_update()
+//         .set(new_user)
+//         .execute(conn)
+//         .map_err(|_| RbError::DbError("Couldn't create or update user."))?;
+
+//     Ok(())
+// }
+
+/// Delete the user with the given ID.
+///
+/// # Arguments
+///
+/// `conn` - database connection to use
+/// `user_id` - ID of user to delete
+pub fn delete(conn: &PgConnection, user_id: Uuid) -> RbResult<()>
+{
+    diesel::delete(users.filter(id.eq(user_id)))
+        .execute(conn)
+        .map_err(|_| RbError::DbError("Couldn't delete user."))?;
+
+    Ok(())
+}
+
+/// Block a user given an ID.
+/// In practice, this means updating the user's entry so that the `blocked` column is set to
+/// `true`.
+///
+/// # Arguments
+///
+/// `conn` - database connection to use
+/// `user_id` - ID of user to block
+pub fn block(conn: &PgConnection, user_id: Uuid) -> RbResult<()>
+{
+    diesel::update(users.filter(id.eq(user_id)))
+        .set(blocked.eq(true))
+        .execute(conn)
+        .map_err(|_| RbError::DbError("Couldn't block user."))?;
+
+    Ok(())
+}

src/lib.rs

@@ -0,0 +1,5 @@
+#[macro_use]
+extern crate diesel;
+
+pub mod db;
+pub(crate) mod schema;

src/schema.rs

@@ -1,13 +1,3 @@
-table! {
-    posts (id) {
-        id -> Uuid,
-        section_id -> Uuid,
-        title -> Nullable<Varchar>,
-        publish_date -> Date,
-        content -> Text,
-    }
-}
-
 table! {
     refresh_tokens (token) {
         token -> Bytea,
@@ -17,17 +7,6 @@ table! {
     }
 }
 
-table! {
-    sections (id) {
-        id -> Uuid,
-        title -> Varchar,
-        shortname -> Varchar,
-        description -> Nullable<Text>,
-        is_default -> Bool,
-        has_titles -> Bool,
-    }
-}
-
 table! {
     users (id) {
         id -> Uuid,
@@ -38,12 +17,9 @@ table! {
     }
 }
 
-joinable!(posts -> sections (section_id));
 joinable!(refresh_tokens -> users (user_id));
 
 allow_tables_to_appear_in_same_query!(
-    posts,
     refresh_tokens,
-    sections,
     users,
 );