Store jwt secret in database

src/api/auth.rs

@@ -59,9 +59,8 @@ pub struct AuthResponse {
     issued_at: String,
 }
 
-/// In the returned UserToken::user, only the username is specified
-fn create_jwt_token(account: Option<&str>, scopes: Vec<Scope>) -> anyhow::Result<TokenInfo> {
-    let key: Hmac<Sha256> = Hmac::new_from_slice(b"some-secret")?;
+fn create_jwt_token(jwt_key: String, account: Option<&str>, scopes: Vec<Scope>) -> anyhow::Result<TokenInfo> {
+    let key: Hmac<Sha256> = Hmac::new_from_slice(jwt_key.as_bytes())?;
 
     let now = chrono::offset::Utc::now();
 
@@ -186,7 +185,8 @@ pub async fn auth_basic_get(
                 scope.actions.retain(|a| *a == Action::Pull);
             }
 
-            let token = create_jwt_token(None, auth.scope).map_err(|_| {
+            let token = create_jwt_token(state.config.jwt_key.clone(), None, auth.scope)
+                .map_err(|_| {
                     error!("Failed to create jwt token!");
 
                     StatusCode::INTERNAL_SERVER_ERROR
@@ -290,7 +290,8 @@ pub async fn auth_basic_get(
         debug!("User password is correct");
 
         let now = SystemTime::now();
-        let token = create_jwt_token(Some(account), vec![]).map_err(|_| {
+        let token = create_jwt_token(state.config.jwt_key.clone(), Some(account), vec![])
+            .map_err(|_| {
                 error!("Failed to create jwt token!");
 
                 StatusCode::INTERNAL_SERVER_ERROR

src/config.rs

@@ -71,6 +71,8 @@ pub struct Config {
     pub database: DatabaseConfig,
     pub storage: StorageConfig,
     pub tls: Option<TlsConfig>,
+    #[serde(skip)]
+    pub jwt_key: String,
 }
 
 #[allow(dead_code)]

src/database/mod.rs

@@ -1,5 +1,8 @@
 use async_trait::async_trait;
-use sqlx::{Sqlite, Pool};
+use hmac::{Hmac, digest::KeyInit};
+use rand::{Rng, distributions::Alphanumeric};
+use sha2::Sha256;
+use sqlx::{Sqlite, Pool, sqlite::SqliteError};
 use tracing::{debug, warn};
 
 use chrono::{DateTime, Utc, NaiveDateTime, TimeZone};
@@ -8,12 +11,13 @@ use crate::dto::{Tag, user::{User, RepositoryPermissions, RegistryUserType, Perm
 
 #[async_trait]
 pub trait Database {
-
     // Digest related functions
 
     /// Create the tables in the database
     async fn create_schema(&self) -> anyhow::Result<()>;
 
+    async fn get_jwt_secret(&self) -> anyhow::Result<String>;
+
     // Tag related functions
 
     /// Get tags associated with a repository
@@ -67,14 +71,56 @@ pub trait Database {
 #[async_trait]
 impl Database for Pool<Sqlite> {
     async fn create_schema(&self) -> anyhow::Result<()> {
+        let orca_version = "0.1.0";
+        let schema_version = "0.0.1";
+
+        let row: Option<(u32, )> = match sqlx::query_as("SELECT COUNT(1) FROM orca WHERE \"schema_version\" = ?")
+                .bind(schema_version)
+                .fetch_one(self).await {
+            Ok(row) => Some(row),
+            Err(e) => match e {
+                sqlx::Error::RowNotFound => {
+                    None
+                },
+                // ignore no such table errors
+                sqlx::Error::Database(b) if b.message().starts_with("no such table") => None,
+                _ => {
+                    return Err(anyhow::Error::new(e));
+                }
+            }
+        };
+
+        if row.is_none() || row.unwrap().0 == 0 {
+            let jwt_sec: String = rand::thread_rng()
+                .sample_iter(&Alphanumeric)
+                .take(16)
+                .map(char::from)
+                .collect();
+
+            // create schema
+            // TODO: Check if needed
             sqlx::query(include_str!("schemas/schema.sql"))
                 .execute(self).await?;
-
             debug!("Created database schema");
 
+            sqlx::query("INSERT INTO orca(orca_version, schema_version, jwt_secret) VALUES (?, ?, ?)")
+                .bind(orca_version)
+                .bind(schema_version)
+                .bind(jwt_sec)
+                .execute(self).await?;
+            debug!("Inserted information about orca!");
+        }
+
         Ok(())
     }
 
+    async fn get_jwt_secret(&self) -> anyhow::Result<String> {
+        let rows: (String, ) = sqlx::query_as("SELECT jwt_secret FROM orca WHERE id = (SELECT max(id) FROM orca)")
+            .fetch_one(self).await?;
+
+        Ok(rows.0)
+    }
+
     async fn link_manifest_layer(&self, manifest_digest: &str, layer_digest: &str) -> anyhow::Result<()> {
         sqlx::query("INSERT INTO manifest_layers(manifest, layer_digest) VALUES (?, ?)")
             .bind(manifest_digest)

src/database/schemas/schema.sql

@@ -1,3 +1,10 @@
+CREATE TABLE IF NOT EXISTS orca (
+    id INTEGER PRIMARY KEY AUTOINCREMENT,
+    orca_version TEXT NOT NULL,
+    schema_version TEXT NOT NULL,
+    jwt_secret TEXT NOT NULL
+);
+
 CREATE TABLE IF NOT EXISTS projects (
     name TEXT NOT NULL UNIQUE PRIMARY KEY,
     -- 0 = private, 1 = public

src/main.rs

@@ -69,7 +69,7 @@ async fn change_request_paths<B>(mut request: Request<B>, next: Next<B>) -> Resu
 
 #[tokio::main]
 async fn main() -> anyhow::Result<()> {
-    let config = Config::new()
+    let mut config = Config::new()
         .expect("Failure to parse config!");
 
     tracing_subscriber::fmt()
@@ -92,6 +92,9 @@ async fn main() -> anyhow::Result<()> {
         .connect_with(connection_options).await?;
     pool.create_schema().await?;
 
+    // set jwt key
+    config.jwt_key = pool.get_jwt_secret().await?;
+
     let storage_driver: Mutex<Box<dyn StorageDriver>> = match &config.storage {
         StorageConfig::Filesystem(fs) => {
             Mutex::new(Box::new(FilesystemDriver::new(&fs.path)))