Load RSA keys as pem format directly, and using openssl crate, backported from async branch

src/api/core/mod.rs

@@ -27,7 +27,6 @@ pub fn routes() -> Vec<Route> {
 //
 // Move this somewhere else
 //
-use rocket::response::Response;
 use rocket::Route;
 use rocket_contrib::json::Json;
 use serde_json::Value;
@@ -41,7 +40,7 @@ use crate::{
 };
 
 #[put("/devices/identifier/<uuid>/clear-token")]
-fn clear_device_token<'a>(uuid: String) -> Response<'a> {
+fn clear_device_token<'a>(uuid: String) -> &'static str {
     // This endpoint doesn't have auth header
 
     let _ = uuid;
@@ -50,7 +49,7 @@ fn clear_device_token<'a>(uuid: String) -> Response<'a> {
     // This only clears push token
     // https://github.com/bitwarden/core/blob/master/src/Api/Controllers/DevicesController.cs#L109
     // https://github.com/bitwarden/core/blob/master/src/Core/Services/Implementations/DeviceService.cs#L37
-    Response::new()
+    ""
 }
 
 #[put("/devices/identifier/<uuid>/token", data = "<data>")]

src/api/core/two_factor/duo.rs

@@ -343,7 +343,7 @@ fn parse_duo_values(key: &str, val: &str, ikey: &str, prefix: &str, time: i64) -
         err!("Invalid ikey")
     }
 
-    let expire = match expire.parse() {
+    let expire: i64 = match expire.parse() {
         Ok(e) => e,
         Err(_) => err!("Invalid expire time"),
     };

src/auth.rs

@@ -27,17 +27,26 @@ static JWT_VERIFYEMAIL_ISSUER: Lazy<String> = Lazy::new(|| format!("{}|verifyema
 static JWT_ADMIN_ISSUER: Lazy<String> = Lazy::new(|| format!("{}|admin", CONFIG.domain_origin()));
 static JWT_SEND_ISSUER: Lazy<String> = Lazy::new(|| format!("{}|send", CONFIG.domain_origin()));
 
-static PRIVATE_RSA_KEY: Lazy<Vec<u8>> = Lazy::new(|| match read_file(&CONFIG.private_rsa_key()) {
-    Ok(key) => key,
-    Err(e) => panic!("Error loading private RSA Key.\n Error: {}", e),
+static PRIVATE_RSA_KEY_VEC: Lazy<Vec<u8>> = Lazy::new(|| {
+    read_file(&CONFIG.private_rsa_key()).unwrap_or_else(|e| panic!("Error loading private RSA Key.\n{}", e))
 });
-static PUBLIC_RSA_KEY: Lazy<Vec<u8>> = Lazy::new(|| match read_file(&CONFIG.public_rsa_key()) {
-    Ok(key) => key,
-    Err(e) => panic!("Error loading public RSA Key.\n Error: {}", e),
+static PRIVATE_RSA_KEY: Lazy<EncodingKey> = Lazy::new(|| {
+    EncodingKey::from_rsa_pem(&PRIVATE_RSA_KEY_VEC).unwrap_or_else(|e| panic!("Error decoding private RSA Key.\n{}", e))
+});
+static PUBLIC_RSA_KEY_VEC: Lazy<Vec<u8>> = Lazy::new(|| {
+    read_file(&CONFIG.public_rsa_key()).unwrap_or_else(|e| panic!("Error loading public RSA Key.\n{}", e))
+});
+static PUBLIC_RSA_KEY: Lazy<DecodingKey> = Lazy::new(|| {
+    DecodingKey::from_rsa_pem(&PUBLIC_RSA_KEY_VEC).unwrap_or_else(|e| panic!("Error decoding public RSA Key.\n{}", e))
 });
 
+pub fn load_keys() {
+    Lazy::force(&PRIVATE_RSA_KEY);
+    Lazy::force(&PUBLIC_RSA_KEY);
+}
+
 pub fn encode_jwt<T: Serialize>(claims: &T) -> String {
-    match jsonwebtoken::encode(&JWT_HEADER, claims, &EncodingKey::from_rsa_der(&PRIVATE_RSA_KEY)) {
+    match jsonwebtoken::encode(&JWT_HEADER, claims, &PRIVATE_RSA_KEY) {
         Ok(token) => token,
         Err(e) => panic!("Error encoding jwt {}", e),
     }
@@ -55,10 +64,7 @@ fn decode_jwt<T: DeserializeOwned>(token: &str, issuer: String) -> Result<T, Err
     };
 
     let token = token.replace(char::is_whitespace, "");
-
-    jsonwebtoken::decode(&token, &DecodingKey::from_rsa_der(&PUBLIC_RSA_KEY), &validation)
-        .map(|d| d.claims)
-        .map_res("Error decoding JWT")
+    jsonwebtoken::decode(&token, &&PUBLIC_RSA_KEY, &validation).map(|d| d.claims).map_res("Error decoding JWT")
 }
 
 pub fn decode_login(token: &str) -> Result<LoginJwtClaims, Error> {

src/config.rs

@@ -770,13 +770,10 @@ impl Config {
     }
 
     pub fn private_rsa_key(&self) -> String {
-        format!("{}.der", CONFIG.rsa_key_filename())
-    }
-    pub fn private_rsa_key_pem(&self) -> String {
         format!("{}.pem", CONFIG.rsa_key_filename())
     }
     pub fn public_rsa_key(&self) -> String {
-        format!("{}.pub.der", CONFIG.rsa_key_filename())
+        format!("{}.pub.pem", CONFIG.rsa_key_filename())
     }
     pub fn mail_enabled(&self) -> bool {
         let inner = &self.inner.read().unwrap().config;

src/error.rs

@@ -50,6 +50,7 @@ use std::time::SystemTimeError as TimeErr;
 use u2f::u2ferror::U2fError as U2fErr;
 use webauthn_rs::error::WebauthnError as WebauthnErr;
 use yubico::yubicoerror::YubicoError as YubiErr;
+use openssl::error::ErrorStack as SSLErr;
 
 #[derive(Serialize)]
 pub struct Empty {}
@@ -82,6 +83,7 @@ make_error! {
     Lettre(LettreErr): _has_source, _api_error,
     Address(AddrErr):  _has_source, _api_error,
     Smtp(SmtpErr):     _has_source, _api_error,
+    OpenSSL(SSLErr):   _has_source, _api_error,
 
     DieselCon(DieselConErr): _has_source, _api_error,
     DieselMig(DieselMigErr): _has_source, _api_error,

src/main.rs

@@ -21,7 +21,7 @@ use std::{
     fs::create_dir_all,
     panic,
     path::Path,
-    process::{exit, Command},
+    process::exit,
     str::FromStr,
     thread,
     time::Duration,
@@ -53,7 +53,10 @@ fn main() {
     let extra_debug = matches!(level, LF::Trace | LF::Debug);
 
     check_data_folder();
-    check_rsa_keys();
+    check_rsa_keys().unwrap_or_else(|_| {
+        error!("Error creating keys, exiting...");
+        exit(1);
+    });
     check_web_vault();
 
     create_icon_cache_folder();
@@ -249,52 +252,29 @@ fn check_data_folder() {
     }
 }
 
-fn check_rsa_keys() {
+fn check_rsa_keys()-> Result<(), crate::error::Error> {
     // If the RSA keys don't exist, try to create them
-    if !util::file_exists(&CONFIG.private_rsa_key()) || !util::file_exists(&CONFIG.public_rsa_key()) {
-        info!("JWT keys don't exist, checking if OpenSSL is available...");
-
-        Command::new("openssl").arg("version").status().unwrap_or_else(|_| {
-            info!(
-                "Can't create keys because OpenSSL is not available, make sure it's installed and available on the PATH"
-            );
-            exit(1);
-        });
-
-        info!("OpenSSL detected, creating keys...");
-
-        let key = CONFIG.rsa_key_filename();
+    let priv_path = CONFIG.private_rsa_key();
+    let pub_path = CONFIG.public_rsa_key();
 
-        let pem = format!("{}.pem", key);
-        let priv_der = format!("{}.der", key);
-        let pub_der = format!("{}.pub.der", key);
+    if !util::file_exists(&priv_path) {
+        let rsa_key = openssl::rsa::Rsa::generate(2048)?;
 
-        let mut success = Command::new("openssl")
-            .args(&["genrsa", "-out", &pem])
-            .status()
-            .expect("Failed to create private pem file")
-            .success();
-
-        success &= Command::new("openssl")
-            .args(&["rsa", "-in", &pem, "-outform", "DER", "-out", &priv_der])
-            .status()
-            .expect("Failed to create private der file")
-            .success();
+        let priv_key = rsa_key.private_key_to_pem()?;
+        crate::util::write_file(&priv_path, &priv_key)?;
+        info!("Private key created correctly.");
+    }
 
-        success &= Command::new("openssl")
-            .args(&["rsa", "-in", &priv_der, "-inform", "DER"])
-            .args(&["-RSAPublicKey_out", "-outform", "DER", "-out", &pub_der])
-            .status()
-            .expect("Failed to create public der file")
-            .success();
+    if !util::file_exists(&pub_path) {
+        let rsa_key = openssl::rsa::Rsa::private_key_from_pem(&util::read_file(&priv_path)?)?;
 
-        if success {
-            info!("Keys created correctly.");
-        } else {
-            error!("Error creating keys, exiting...");
-            exit(1);
-        }
+        let pub_key = rsa_key.public_key_to_pem()?;
+        crate::util::write_file(&pub_path, &pub_key)?;
+        info!("Public key created correctly.");
     }
+
+    auth::load_keys();
+    Ok(())
 }
 
 fn check_web_vault() {

src/util.rs

@@ -219,6 +219,14 @@ pub fn read_file(path: &str) -> IOResult<Vec<u8>> {
     Ok(contents)
 }
 
+pub fn write_file(path: &str, content: &[u8]) -> Result<(), crate::error::Error> {
+    use std::io::Write;
+    let mut f = File::create(path)?;
+    f.write_all(content)?;
+    f.flush()?;
+    Ok(())
+}
+
 pub fn read_file_string(path: &str) -> IOResult<String> {
     let mut contents = String::new();