create final totp authentication endpoint - full authentication flow is now finished (at and st)

trifid-api/src/auth.rs

@@ -7,7 +7,7 @@ pub struct PartialUserInfo {
     pub user_id: i32,
     pub created_at: i64,
     pub email: String,
-    pub has_totp: bool,
+    pub has_totp_auth: bool,
 
     pub session_id: String,
     pub auth_id: Option<String>
@@ -88,7 +88,7 @@ impl<'r> FromRequest<'r> for PartialUserInfo {
                 user_id: user_id as i32,
                 created_at: user.created_on as i64,
                 email: user.email,
-                has_totp: at.is_some(),
+                has_totp_auth: at.is_some(),
                 session_id: st,
                 auth_id: at,
             })
@@ -113,7 +113,7 @@ impl<'r> FromRequest<'r> for TOTPAuthenticatedUserInfo {
             Outcome::Failure(e) => Outcome::Failure(e),
             Outcome::Forward(f) => Outcome::Forward(f),
             Outcome::Success(s) => {
-                if s.has_totp {
+                if s.has_totp_auth {
                     Outcome::Success(Self {
                         user_id: s.user_id,
                         created_at: s.created_at,

trifid-api/src/main.rs

@@ -1,3 +1,5 @@
+extern crate core;
+
 use std::error::Error;
 use std::fs;
 use std::path::Path;
@@ -82,7 +84,8 @@ async fn main() -> Result<(), Box<dyn Error>> {
             crate::routes::v1::signup::signup_request,
             crate::routes::v1::auth::verify_magic_link::verify_magic_link,
             crate::routes::v1::totp_authenticators::totp_authenticators_request,
-            crate::routes::v1::verify_totp_authenticator::verify_totp_authenticator_request
+            crate::routes::v1::verify_totp_authenticator::verify_totp_authenticator_request,
+            crate::routes::v1::auth::totp::totp_request
         ])
         .register("/", catchers![
             crate::routes::handler_400,

trifid-api/src/routes/v1/auth/mod.rs

@@ -1,2 +1,3 @@
 pub mod verify_magic_link;
 pub mod magic_link;
+pub mod totp;

trifid-api/src/routes/v1/auth/totp.rs

@@ -0,0 +1,66 @@
+use rocket::http::{ContentType, Status};
+use rocket::serde::json::Json;
+use crate::auth::PartialUserInfo;
+use serde::{Serialize, Deserialize};
+use rocket::{post, State};
+use sqlx::PgPool;
+use crate::tokens::{generate_auth_token, get_totpmachine, user_has_totp};
+
+pub const TOTP_GENERIC_UNAUTHORIZED_ERROR: &str = "{\"errors\":[{\"code\":\"ERR_INVALID_TOTP_CODE\",\"message\":\"invalid TOTP code (maybe it expired?)\",\"path\":\"code\"}]}";
+pub const TOTP_NO_TOTP_ERROR: &str = "{\"errors\":[{\"code\":\"ERR_NO_TOTP\",\"message\":\"logged-in user does not have totp enabled\",\"path\":\"code\"}]}";
+
+#[derive(Serialize, Deserialize)]
+#[serde(crate = "rocket::serde")]
+pub struct TotpRequest {
+    pub code: String
+}
+
+#[derive(Serialize, Deserialize)]
+#[serde(crate = "rocket::serde")]
+pub struct TotpResponseData {
+    #[serde(rename = "authToken")]
+    auth_token: String
+}
+#[derive(Serialize, Deserialize)]
+#[serde(crate = "rocket::serde")]
+pub struct TotpResponseMetadata {
+}
+#[derive(Serialize, Deserialize)]
+#[serde(crate = "rocket::serde")]
+pub struct TotpResponse {
+    data: TotpResponseData,
+    metadata: TotpResponseMetadata
+}
+
+#[post("/v1/auth/totp", data = "<req>")]
+pub async fn totp_request(req: Json<TotpRequest>, user: PartialUserInfo, db: &State<PgPool>) -> Result<(ContentType, Json<TotpResponse>), (Status, String)> {
+    if !match user_has_totp(user.user_id, db.inner()).await {
+        Ok(b) => b,
+        Err(e) => return Err((Status::InternalServerError, format!("{{\"errors\":[{{\"code\":\"{}\",\"message\":\"{} - {}\"}}]}}", "ERR_UNABLE_TO_ISSUE", "an error occured trying to issue a session token, please try again later", e)))
+    } {
+        return Err((Status::UnprocessableEntity, TOTP_NO_TOTP_ERROR.to_string()))
+    }
+
+    if user.has_totp_auth {
+        return Err((Status::BadRequest, format!("{{\"errors\":[{{\"code\":\"{}\",\"message\":\"{}\"}}]}}", "ERR_TOTP_ALREADY_AUTHED", "user already has valid totp authentication")))
+    }
+
+    let totpmachine = match get_totpmachine(user.user_id, db.inner()).await {
+        Ok(t) => t,
+        Err(e) => {
+            return Err((Status::InternalServerError, format!("{{\"errors\":[{{\"code\":\"{}\",\"message\":\"{} - {}\"}}]}}", "ERR_UNABLE_TO_ISSUE", "an error occured trying to issue a session token, please try again later", e)))
+        }
+    };
+
+    if !totpmachine.check_current(&req.0.code).unwrap_or(false) {
+        return Err((Status::Unauthorized, TOTP_GENERIC_UNAUTHORIZED_ERROR.to_string()))
+    }
+
+    Ok((ContentType::JSON, Json(TotpResponse {
+        data: TotpResponseData { auth_token: match generate_auth_token(user.user_id as i64, user.session_id, db.inner()).await {
+            Ok(t) => t,
+            Err(e) => { return Err((Status::InternalServerError, format!("{{\"errors\":[{{\"code\":\"{}\",\"message\":\"{} - {}\"}}]}}", "ERR_UNABLE_TO_ISSUE", "an error occured trying to issue a session token, please try again later", e))) }
+        } },
+        metadata: TotpResponseMetadata {},
+    })))
+}

trifid-api/src/routes/v1/totp_authenticators.rs

@@ -5,7 +5,7 @@ use sqlx::PgPool;
 use serde::{Serialize, Deserialize};
 use crate::auth::PartialUserInfo;
 use crate::config::TFConfig;
-use crate::tokens::create_totp_token;
+use crate::tokens::{create_totp_token, user_has_totp};
 
 #[derive(Deserialize)]
 pub struct TotpAuthenticatorsRequest {}
@@ -29,7 +29,10 @@ pub struct TotpAuthenticatorsResponse {
 
 #[post("/v1/totp-authenticators", data = "<_req>")]
 pub async fn totp_authenticators_request(_req: Json<TotpAuthenticatorsRequest>, user: PartialUserInfo, db: &State<PgPool>, config: &State<TFConfig>) -> Result<(ContentType, Json<TotpAuthenticatorsResponse>), (Status, String)> {
-    if user.has_totp {
+    if match user_has_totp(user.user_id, db.inner()).await {
+        Ok(b) => b,
+        Err(e) => return Err((Status::InternalServerError, format!("{{\"errors\":[{{\"code\":\"{}\",\"message\":\"{} - {}\"}}]}}", "ERR_UNABLE_TO_ISSUE", "an error occured trying to issue a session token, please try again later", e)))
+    } {
         return Err((Status::BadRequest, format!("{{\"errors\":[{{\"code\":\"{}\",\"message\":\"{}\"}}]}}", "ERR_TOTP_ALREADY_EXISTS", "this user already has a totp authenticator on their account")))
     }
 

trifid-api/src/routes/v1/verify_totp_authenticator.rs

@@ -7,7 +7,6 @@
 {"data":{"authToken":"auth-O7mugxdYta-RKtLMqDW4j8XCJ85EfZKKezeZZXBYtFQ"},"metadata":{}}
 */
 
-use std::error::Error;
 use rocket::http::{ContentType, Status};
 use crate::auth::PartialUserInfo;
 use rocket::post;
@@ -15,7 +14,6 @@ use rocket::serde::json::Json;
 use rocket::State;
 use serde::{Serialize, Deserialize};
 use sqlx::PgPool;
-use totp_rs::TOTP;
 use crate::tokens::{generate_auth_token, use_totp_token, verify_totp_token};
 
 #[derive(Serialize, Deserialize)]

trifid-api/src/tokens.rs

@@ -33,7 +33,7 @@ pub async fn generate_auth_token(user_id: i64, session_id: String, db: &PgPool)
     Ok(token)
 }
 pub async fn validate_auth_token(token: String, session_id: String, db: &PgPool) -> Result<(), Box<dyn Error>> {
-    validate_session_token(token.clone(), db).await?;
+    validate_session_token(session_id.clone(), db).await?;
     sqlx::query!("SELECT * FROM auth_tokens WHERE id = $1 AND session_token = $2", token, session_id).fetch_one(db).await?;
     Ok(())
 }
@@ -81,3 +81,13 @@ pub async fn use_totp_token(otpid: String, email: String, db: &PgPool) -> Result
     sqlx::query!("UPDATE users SET totp_otpurl = $1, totp_secret = $2, totp_verified = 1 WHERE email = $3", totpmachine.get_url(), totpmachine.get_secret_base32(), email).execute(db).await?;
     Ok(totpmachine)
 }
+
+pub async fn get_totpmachine(user: i32, db: &PgPool) -> Result<TOTP, Box<dyn Error>> {
+    let user = sqlx::query!("SELECT totp_secret, totp_otpurl, email FROM users WHERE id = $1", user).fetch_one(db).await?;
+    let secret = Secret::Encoded(user.totp_secret);
+    Ok(TOTP::new(TOTP_ALGORITHM, TOTP_DIGITS, TOTP_SKEW, TOTP_STEP, secret.to_bytes().unwrap(), Some(TOTP_ISSUER.to_string()), user.email).unwrap())
+}
+
+pub async fn user_has_totp(user: i32, db: &PgPool) -> Result<bool, Box<dyn Error>> {
+    Ok(sqlx::query!("SELECT totp_verified FROM users WHERE id = $1", user).fetch_one(db).await?.totp_verified == 1)
+}