Added rng code and place holder for db call. wont build

Cargo.lock

···
 name = "pds_gatekeeper"
 version = "0.1.0"
 dependencies = [
+ "anyhow",
  "axum",
  "axum-template",
  "dotenvy",
···
  "hyper-util",
  "jwt-compact",
  "lettre",
+ "rand 0.9.2",
  "rust-embed",
  "scrypt",
  "serde",

Cargo.toml

···
 handlebars = { version = "6.3.2", features = ["rust-embed"] }
 rust-embed = "8.7.2"
 axum-template = { version = "3.0.0", features = ["handlebars"] }
+rand = "0.9.2"
+anyhow = "1.0.99"

migrations_bells_and_whistles/.keep

···
-# This directory holds SQLx migrations for the bells_and_whistles.sqlite database.
-# It is intentionally empty for now; running `sqlx::migrate!` will still ensure the
-# migrations table exists and succeed with zero migrations.

src/xrpc/helpers.rs

···
+use crate::AppState;
 use axum::body::{Body, to_bytes};
 use axum::extract::Request;
-use axum::http::{HeaderMap, Method, StatusCode, Uri};
 use axum::http::header::CONTENT_TYPE;
+use axum::http::{HeaderMap, Method, StatusCode, Uri};
 use axum::response::{IntoResponse, Response};
+use rand::distr::{Alphanumeric, SampleString};
 use serde::de::DeserializeOwned;
+use sqlx::SqlitePool;
+use sqlx::sqlite::SqliteError;
 use tracing::error;
-
-use crate::AppState;
 
 /// The result of a proxied call that attempts to parse JSON.
 pub enum ProxiedResult<T> {
···
     }
 }
 
-
 /// Build a JSON error response with the required Content-Type header
 /// Content-Type: application/json;charset=utf-8
 /// Body shape: { "error": string, "message": string }
···
         .body(Body::from(body_str))
         .map_err(|_| StatusCode::BAD_REQUEST)
 }
+
+pub fn get_random_token() -> String {
+    let full_code = Alphanumeric.sample_string(&mut rand::rng(), 10);
+    //The PDS implementation creates in lowercase, then converts to uppercase.
+    //Just going a head and doing uppercase here.
+    let slice_one = &full_code[0..5].to_ascii_uppercase();
+    let slice_two = &full_code[5..10].to_ascii_uppercase();
+    format!("{}-{}", slice_one, slice_two)
+}
+
+pub fn create_two_factor_token(account_db: &SqlitePool, did: String) -> anyhow::Result<String> {}