show signup links on front page, receive redirect from stripe

.gitignore

@@ -1,2 +1,4 @@
 /target
 .env
+*.db
+*.db-*

Cargo.toml

@@ -17,10 +17,9 @@ passwords = { version = "3", default-features = false }
 rand = { version = "0.8", default-features = false, features = ["getrandom"] }
 serde = { version = "1", default-features = false, features = ["derive"] }
 serde_json = { version = "1", default-features = false }
+sqlx = { version = "0.7", default-features = false, features = ["runtime-tokio", "sqlite", "tls-none", "migrate", "macros"] }
 thiserror = { version = "1" }
-time = { version = "0.3", default-features = false }
-tokio = { version = "1", default-features = false, features = ["rt-multi-thread"] }
+tokio = { version = "1", default-features = false, features = ["rt-multi-thread", "signal"] }
 tower-http = { version = "0.5", default-features = false, features = ["fs"] }
-tower-sessions = { version = "0.10", default-features = false, features = ["axum-core", "memory-store"] }
 unicode-segmentation = { version = "1", default-features = false }
 ureq = { version = "2", default-features = false, features = ["json", "tls"] }

src/handlers/handlers.rs

@@ -1,11 +1,10 @@
 use std::ops::RangeInclusive;
 
 use axum::{
-    extract::{Form, Path},
-    response::{IntoResponse, Redirect},
+    extract::{Form, Path, State},
+    response::IntoResponse,
 };
-use rand::random;
-use tower_sessions::Session;
+use sqlx::SqlitePool;
 use unicode_segmentation::UnicodeSegmentation;
 
 use super::{util, CreateUserError, CreateUserErrorKind, SignupForm};
@@ -21,94 +20,59 @@ const EMAIL_LEN: RangeInclusive<usize> = 4..=50;
 const CHECKOUT_TIMEOUT: i64 = 12 * 3600;
 
 lazy_static! {
-    static ref SIGNUP_KEY: String = format!("meow-{}", random::<u128>());
+    static ref ADMIN_TOKEN: String = std::env::var("ADMIN_TOKEN").unwrap();
+    static ref FORGEJO_URL: String = std::env::var("FORGEJO_URL").unwrap();
+    static ref STRIPE_TOKEN: String = std::env::var("STRIPE_TOKEN").unwrap();
+    static ref ANNUAL_LINK: String = std::env::var("ANNUAL_LINK").unwrap();
+    static ref MONTHLY_LINK: String = std::env::var("MONTHLY_LINK").unwrap();
 }
 
 /// Displays the signup form.
-pub async fn get_signup() -> impl IntoResponse {
+pub async fn get_signup(_db: State<SqlitePool>) -> impl IntoResponse {
     SignupPage {
+        monthly_link: Some((*MONTHLY_LINK).to_string()),
         ..Default::default()
     }
 }
 
 /// Receives the form with the user signup fields filled out.
 pub async fn post_signup(
-    session: Session,
+    db: State<SqlitePool>,
     Form(form): Form<SignupForm>,
 ) -> Result<impl IntoResponse, CreateUserError> {
     let user = validate_signup(&form).await?;
-    match session.insert(&SIGNUP_KEY, user).await {
-        Ok(_) => {}
-        Err(e) => {
-            log::error!(
-                "Could not insert validated user form into session, got {}",
-                e
-            );
-            return Err(CreateUserErrorKind::UnknownEorr.into());
-        }
-    }
-
-    match session.save().await {
-        // TODO: pass in as env var/into a state object that the handlers can read from
-        Ok(_) => Ok(Redirect::to(
-            "https://buy.stripe.com/test_eVa6rrb7ygjNbwk000",
-        )),
-        Err(e) => {
-            log::error!("Could not save session, got {}", e);
-            Err(CreateUserErrorKind::UnknownEorr.into())
-        }
+    if create_user(&user) {
+        log::info!("Created user {user:?}");
+        Ok(SignupSuccessPage(user))
+    } else {
+        Err(CreateUserError(CreateUserErrorKind::UnknownEorr))
     }
 }
 
 /// Redirected from Stripe with the receipt of payment.
-pub async fn payment_success(session: Session, receipt: Option<Path<String>>) -> impl IntoResponse {
-    session.load().await.unwrap_or_else(|e| {
-        log::error!("Could not load the session, got {}", e);
-    });
-    log::debug!("loaded the session");
-    let user = if let Some(user) = session.get::<User>(&SIGNUP_KEY).await.unwrap_or(None) {
-        user
-    } else {
-        log::warn!("Could not find user in session; got receipt {:?}", receipt);
-        return CreateUserError(CreateUserErrorKind::NoFormFound).into_response();
-    };
-
+pub async fn payment_success(
+    db: State<SqlitePool>,
+    receipt: Option<Path<String>>,
+) -> impl IntoResponse {
     let receipt = if let Some(Path(receipt)) = receipt {
         receipt
     } else {
-        log::info!("Got {:?} from the session, but no receipt.", &user);
         return CreateUserError(CreateUserErrorKind::BadPayment).into_response();
     };
 
-    if confirm_payment(&receipt) {
-        log::info!("Confirmed payment from {}", &receipt);
-    } else {
-        return CreateUserError(CreateUserErrorKind::BadPayment).into_response();
+    UserFormPage {
+        receipt,
+        ..Default::default()
     }
-
-    if create_user(&user) {
-        log::info!("Created user {user:?}");
-    } else {
-        return CreateUserError(CreateUserErrorKind::UnknownEorr).into_response();
-    }
-    // TODO: store the receipt into a durable store to prevent re-use after creating
-    // an account
-
-    session.delete().await.unwrap_or_else(|e| {
-        log::error!("Got error deleting {:?} from session, got {}", &user, e);
-    });
-
-    log::info!("Added {:?}", &user);
-    SignupSuccessPage(user).into_response()
+    .into_response()
 }
 
 //-************************************************************************
 // helpers
 //-************************************************************************
 fn create_user(user: &User) -> bool {
-    let token = std::env::var("ADMIN_TOKEN").expect("Could not find $ADMIN_TOKEN in environment.");
-    let url = std::env::var("ADD_USER_ENDPOINT")
-        .expect("Could not find $ADD_USER_ENDPOINT in environment");
+    let token = &*ADMIN_TOKEN;
+    let url = &*FORGEJO_URL;
     let auth_header = format!("token {token}");
     let user: ForgejoUser = user.into();
     let resp = ureq::post(&format!("{url}/api/v1/admin/users"))
@@ -127,13 +91,13 @@ fn create_user(user: &User) -> bool {
 }
 
 fn confirm_payment(stripe_checkout_session_id: &str) -> bool {
-    let token = std::env::var("STRIPE_TOKEN").expect("Could not find $STRIPE_TOKEN in environment");
+    let token = &*STRIPE_TOKEN;
     let url = format!("https://api.stripe.com/v1/checkout/sessions/{stripe_checkout_session_id}");
     let json: serde_json::Value = ureq::get(&url)
         .set("Authorization", &format!("Bearer {token}"))
         .call()
         .map_err(|e| {
-            log::error!("Error confirming payment from Stripe, got {}", e);
+            log::error!("Error confirming payment from Stripe, got {e}");
             std::io::Error::new(std::io::ErrorKind::Other, e)
         })
         .and_then(|resp| resp.into_json())
@@ -156,6 +120,13 @@ async fn validate_signup(form: &SignupForm) -> Result<User, CreateUserError> {
     let username = form.username.trim();
     let password = form.password.trim();
     let verify = form.pw_verify.trim();
+    let receipt = form.receipt.trim();
+
+    if confirm_payment(receipt) {
+        log::info!("Confirmed payment from {receipt}");
+    } else {
+        return Err(CreateUserError(CreateUserErrorKind::BadPayment));
+    }
 
     let name_len = username.graphemes(true).size_hint().1.unwrap_or(0);
     // we are not ascii exclusivists around here

src/handlers/mod.rs

@@ -41,8 +41,6 @@ pub enum CreateUserErrorKind {
     BadEmail,
     #[error(desc = "We could not verify your payment")]
     BadPayment,
-    #[error(desc = "We couldn't retrieve your info from this browser session")]
-    NoFormFound,
 }
 
 #[derive(Debug, Default, Deserialize, PartialEq, Eq)]
@@ -53,4 +51,5 @@ pub struct SignupForm {
     pub email: String,
     pub password: String,
     pub pw_verify: String,
+    pub receipt: String,
 }

src/main.rs

@@ -8,9 +8,9 @@ use axum::{
     routing::{get, MethodRouter},
     Router,
 };
+use sqlx::sqlite::{SqliteConnectOptions, SqlitePool, SqlitePoolOptions};
 use tokio::net::TcpListener;
 use tower_http::services::ServeDir;
-use tower_sessions::{Expiry, MemoryStore, SessionManagerLayer};
 
 #[macro_use]
 extern crate justerror;
@@ -28,15 +28,11 @@ async fn main() {
     init();
 
     // for javascript and css
+    // TODO: figure out how to intern these contents
     let assets_dir = std::env::current_dir().unwrap().join("assets");
     let assets_svc = ServeDir::new(assets_dir.as_path());
 
-    // just for signups
-    let session_store = MemoryStore::default();
-    let session_layer = SessionManagerLayer::new(session_store)
-        .with_secure(false)
-        .with_same_site(tower_sessions::cookie::SameSite::Lax)
-        .with_expiry(Expiry::OnInactivity(time::Duration::hours(2)));
+    let pool = db().await;
 
     // the core application, defining the routes and handlers
     let app = Router::new()
@@ -44,10 +40,15 @@ async fn main() {
         .stripped_clone("/signup/", get(get_signup).post(post_signup))
         .stripped_clone("/payment_success/", get(payment_success))
         .route("/payment_success/:receipt", get(payment_success))
-        .layer(session_layer)
+        .with_state(pool.clone())
         .into_make_service();
     let listener = mklistener().await;
-    axum::serve(listener, app).await.unwrap();
+    axum::serve(listener, app)
+        .with_graceful_shutdown(shutdown_signal())
+        .await
+        .unwrap();
+
+    pool.close().await;
 }
 
 //-************************************************************************
@@ -63,6 +64,16 @@ fn init() {
         .init();
 }
 
+async fn db() -> SqlitePool {
+    //let dbfile = std::env::var("DATABASE_URL").unwrap();
+    let opts = SqliteConnectOptions::new()
+        .foreign_keys(true)
+        .create_if_missing(true)
+        .journal_mode(sqlx::sqlite::SqliteJournalMode::Wal)
+        .optimize_on_close(true, None);
+    SqlitePoolOptions::new().connect_with(opts).await.unwrap()
+}
+
 async fn mklistener() -> TcpListener {
     let ip =
         std::env::var("LISTENING_ADDR").expect("Could not find $LISTENING_ADDR in environment");
@@ -96,3 +107,28 @@ where
             .route(path.trim_end_matches('/'), method_router)
     }
 }
+
+async fn shutdown_signal() {
+    use tokio::signal;
+    let ctrl_c = async {
+        signal::ctrl_c()
+            .await
+            .expect("failed to install Ctrl+C handler");
+    };
+
+    #[cfg(unix)]
+    let terminate = async {
+        signal::unix::signal(signal::unix::SignalKind::terminate())
+            .expect("failed to install signal handler")
+            .recv()
+            .await;
+    };
+
+    #[cfg(not(unix))]
+    let terminate = std::future::pending::<()>();
+
+    tokio::select! {
+        _ = ctrl_c => {log::info!("shutting down")},
+        _ = terminate => {},
+    }
+}

src/templates.rs

@@ -4,8 +4,8 @@ use serde::{Deserialize, Serialize};
 use crate::user::User;
 
 #[derive(Debug, Default, Template, Deserialize, Serialize, PartialEq, Eq)]
-#[template(path = "signup.html")]
-pub struct SignupPage {
+#[template(path = "user_form.html")]
+pub struct UserFormPage {
     pub username: String,
     pub displayname: Option<String>,
     pub email: Option<String>,
@@ -21,3 +21,11 @@ pub struct SignupSuccessPage(pub User);
 #[derive(Debug, Clone, Template, Default, Deserialize, Serialize, PartialEq, Eq)]
 #[template(path = "signup_error.html")]
 pub struct SignupErrorPage(pub String);
+
+#[derive(Debug, Clone, Template, Default, Deserialize, Serialize, PartialEq, Eq)]
+#[template(path = "signup.html")]
+pub struct SignupPage {
+    pub annual_link: Option<String>,
+    pub monthly_link: Option<String>,
+    pub invitation: Option<String>,
+}

templates/base.html

@@ -16,7 +16,6 @@
         {% block header %}{% endblock %}
     </div>
     <div id="content">
-        <hr />
         {% block content %}{% endblock %}
     </div>
     <div id="footer">

templates/index.html

@@ -1,26 +0,0 @@
-{% extends "base.html" %}
-
-{% block title %}Welcome to What 2 Watch, Bish{% endblock %}
-
-{% block content %}
-
-<h1>Welcome to What 2 Watch</h1>
-
-{% match user %}
-{% when Some with (usr) %}
-<p>
-    Hello, {{ usr.username }}! It's nice to see you. <a href="watches">Let's get watchin'!</a>
-</p>
-</br>
-<p>
-<form action="/logout" enctype="application/x-www-form-urlencoded" method="post">
-    <input type="submit" value="sign out?">
-</form>
-</p>
-{% when None %}
-<p>
-    Heya, why don't you <a href="/login">log in</a> or <a href="/signup">sign up</a>?
-</p>
-{% endmatch %}
-
-{% endblock %}

templates/signup.html

@@ -1,26 +1,35 @@
 {% extends "base.html" %}
 
-{% block title %}Welcome, friend, to git.kittenclause.com{% endblock %}
-
-{% block header %} {% endblock %}
+{% block title %}Welcome to the Kitten Collective!{% endblock %}
 
 {% block content %}
 
-<p>
-<form action="/signup" enctype="application/x-www-form-urlencoded" method="post">
-    <input type="hidden" value="{{ self.receipt }}" name="receipt">
-    <label for="username">Username</label>
-    <input type="text" name="username" id="username" minlength="1" maxlength="20" required></br>
-    <label for="displayname">Displayname (optional)</label>
-    <input type="text" name="displayname" id="displayname"></br>
-    <label for="email">Email</label>
-    <input type="text" name="email"></br>
-    <label for="password">Password</label>
-    <input type="password" name="password" id="password" required></br>
-    <label for="confirm_password">Confirm Password</label>
-    <input type="password" name="pw_verify" id="pw_verify" required></br>
-    <input type="submit" value="Signup">
-</form>
-</p>
+<!-- Show the monthly link if we have it -->
+
+{% match monthly_link %}
+{% when Some with (link) %}
+<div>
+    <p><a href="{{ link }}">Just $3/month!</a></p>
+</div>
+{% else %}
+{% endmatch %}
+
+<!-- Show the annual link if we have it  -->
+{% match annual_link %}
+{% when Some with (link) %}
+<div>
+    <p><a href="{{ link }}">Just $30/year!</a></p>
+</div>
+{% else %}
+{% endmatch %}
+
+<!-- the invitation is also a URL  -->
+{% match invitation %}
+{% when Some with (link) %}
+<div>
+    <p><a href="{{ link }}">Free, limited account for collaborating with other kittens</a></p>
+</div>
+{% else %}
+{% endmatch %}
 
 {% endblock %}

templates/signup_error.html

@@ -1,6 +1,6 @@
 {% extends "base.html" %}
 
-{% block title %}Dang, Bish{% endblock %}
+{% block title %}Dang!{% endblock %}
 
 {% block content %}
 {% block header %}{% endblock %}

templates/signup_success.html

@@ -1,6 +1,6 @@
 {% extends "base.html" %}
 
-{% block title %}Thanks for Signing Up for What 2 Watch, Bish{% endblock %}
+{% block title %}Thanks for Signing up for the Kitten Collective!{% endblock %}
 
 {% block content %}
 {% block header %}{% endblock %}
@@ -13,7 +13,8 @@
     </p>
 </div>
 
-<p>Now, head on over to <a href="/login?redirect_to=%2F{{ self.0.username|escape  }}">the login page</a> and git going!
+<p>Now, head on over to <a href="/user/login?redirect_to=%2F{{ self.0.username|escape  }}">the login page</a> and git
+    going!
 </p>
 
 {% endblock %}

templates/user_form.html

@@ -0,0 +1,26 @@
+{% extends "base.html" %}
+
+{% block title %}Welcome, friend, to git.kittenclause.com{% endblock %}
+
+{% block header %} {% endblock %}
+
+{% block content %}
+
+<p>
+<form action="/signup" enctype="application/x-www-form-urlencoded" method="post">
+    <input type="hidden" value="{{ self.receipt }}" name="receipt">
+    <label for="username">Username</label>
+    <input type="text" name="username" id="username" minlength="1" maxlength="20" required></br>
+    <label for="displayname">Displayname (optional)</label>
+    <input type="text" name="displayname" id="displayname"></br>
+    <label for="email">Email</label>
+    <input type="text" name="email"></br>
+    <label for="password">Password</label>
+    <input type="password" name="password" id="password" required></br>
+    <label for="confirm_password">Confirm Password</label>
+    <input type="password" name="pw_verify" id="pw_verify" required></br>
+    <input type="submit" value="Signup">
+</form>
+</p>
+
+{% endblock %}