Adds "working" signup and success page, from front-end branch.

.env

@@ -0,0 +1 @@
+DATABASE_URL=sqlite://${HOME}/.witch-watch.db

Cargo.lock

@@ -2447,6 +2447,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "urlencoding"
+version = "2.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8db7427f936968176eaa7cdf81b7f98b980b18495ec28f1b5791ac3bfe3eea9"
+
 [[package]]
 name = "uuid"
 version = "0.8.2"
@@ -2793,6 +2799,7 @@ dependencies = [
  "tracing",
  "tracing-subscriber",
  "unicode-segmentation",
+ "urlencoding",
  "uuid 1.3.1",
 ]
 

Cargo.toml

@@ -23,3 +23,4 @@ justerror = "1.1.0"
 password-hash = { version = "0.5.0", features = ["std", "getrandom"] }
 axum-login = { version = "0.5.0", features = ["sqlite", "sqlx"] }
 unicode-segmentation = "1.10.1"
+urlencoding = "2.1.2"

src/lib.rs

@@ -3,4 +3,5 @@ extern crate justerror;
 
 pub mod db;
 pub mod handlers;
+pub(crate) mod templates;
 pub mod users;

src/main.rs

@@ -2,7 +2,10 @@ use std::net::SocketAddr;
 
 use axum::{routing::get, Router};
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
-use witch_watch::{db, handlers};
+use witch_watch::{
+    db,
+    users::{get_create_user, handle_signup_success, post_create_user},
+};
 
 #[tokio::main]
 async fn main() {
@@ -16,16 +19,12 @@ async fn main() {
 
     let pool = db::get_pool().await;
 
-    let _ = witch_watch::users::create_user("joe", &None, &None, &[], &pool)
-        .await
-        .unwrap();
-
     // build our application with some routes
-    use handlers::*;
     let app = Router::new()
+        .route("/signup", get(get_create_user).post(post_create_user))
         .route(
-            "/",
-            get(using_connection_pool_extractor).post(using_connection_extractor),
+            "/signup_success/:id",
+            get(handle_signup_success).post(handle_signup_success),
         )
         .with_state(pool);
 

src/template.rs

@@ -1,35 +0,0 @@
-use askama::Template;
-use axum::{
-    extract,
-    http::StatusCode,
-    response::{Html, IntoResponse, Response},
-};
-
-pub(crate) async fn greet(extract::Path(name): extract::Path<String>) -> impl IntoResponse {
-    let template = HelloTemplate { name };
-    HtmlTemplate(template)
-}
-
-#[derive(Template)]
-#[template(path = "hello.html")]
-struct HelloTemplate {
-    name: String,
-}
-
-struct HtmlTemplate<T>(T);
-
-impl<T> IntoResponse for HtmlTemplate<T>
-where
-    T: Template,
-{
-    fn into_response(self) -> Response {
-        match self.0.render() {
-            Ok(html) => Html(html).into_response(),
-            Err(err) => (
-                StatusCode::INTERNAL_SERVER_ERROR,
-                format!("Failed to render template. Error: {}", err),
-            )
-                .into_response(),
-        }
-    }
-}

src/templates.rs

@@ -0,0 +1,12 @@
+use askama::Template;
+use serde::Deserialize;
+
+#[derive(Debug, Default, Template, Deserialize)]
+#[template(path = "signup.html")]
+pub struct CreateUser {
+    pub username: String,
+    pub displayname: Option<String>,
+    pub email: Option<String>,
+    pub password: String,
+    pub pw_verify: String,
+}

src/users.rs

@@ -1,57 +1,177 @@
+use std::fmt::Display;
+
 use argon2::{
     password_hash::{rand_core::OsRng, PasswordHash, PasswordHasher, PasswordVerifier, SaltString},
     Argon2,
 };
-use sqlx::{error::DatabaseError, Sqlite, SqlitePool};
-use tracing::log::log;
+use askama::Template;
+use axum::{
+    extract::{Form, Path, State},
+    http::StatusCode,
+    response::{IntoResponse, Response},
+};
+use sqlx::{sqlite::SqliteRow, Row, SqlitePool};
 use unicode_segmentation::UnicodeSegmentation;
 use uuid::Uuid;
 
+use crate::templates::CreateUser;
+
 const CREATE_QUERY: &str =
     "insert into witches (id, username, displayname, email, pwhash) values ($1, $2, $3, $4, $5)";
 
+const ID_QUERY: &str = "select * from witches where id = $1";
+
+#[derive(Debug, Default, Clone, PartialEq, Eq)]
 pub struct User {
     id: Uuid,
     username: String,
     displayname: Option<String>,
     email: Option<String>,
+    last_seen: Option<i64>,
 }
 
-#[derive(Debug, Clone, sqlx::FromRow, sqlx::Encode)]
-pub(crate) struct DbUser {
-    id: Uuid,
-    username: String,
-    displayname: Option<String>,
-    email: Option<String>,
-    last_seen: Option<u64>,
-    pwhash: String,
-}
-
-impl From<DbUser> for User {
-    fn from(dbu: DbUser) -> Self {
-        User {
-            id: dbu.id,
-            username: dbu.username,
-            displayname: dbu.displayname,
-            email: dbu.email,
-        }
+impl Display for User {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let uname = &self.username;
+        let dname = if let Some(ref n) = self.displayname {
+            n
+        } else {
+            ""
+        };
+        let email = if let Some(ref e) = self.email { e } else { "" };
+        write!(f, "Username: {uname}\nDisplayname: {dname}\nEmail: {email}")
     }
 }
 
-pub async fn create_user(
-    username: &str,
-    displayname: &Option<String>,
-    email: &Option<String>,
-    password: &[u8],
-    pool: &SqlitePool,
-) -> Result<User, CreateUserError> {
+#[derive(Debug, Clone, Template)]
+#[template(path = "signup_success.html")]
+pub struct CreateUserSuccess(User);
+
+impl sqlx::FromRow<'_, SqliteRow> for User {
+    fn from_row(row: &SqliteRow) -> Result<Self, sqlx::Error> {
+        let bytes: Vec<u8> = row.get("id");
+        let bytes = bytes.as_slice();
+        let bytes: [u8; 16] = bytes.try_into().unwrap();
+        let id = Uuid::from_bytes_le(bytes);
+        let username: String = row.get("username");
+        let displayname: Option<String> = row.get("displayname");
+        let last_seen: Option<i64> = row.get("last_seen");
+        let email: Option<String> = row.get("email");
+
+        Ok(Self {
+            id,
+            username,
+            displayname,
+            email,
+            last_seen,
+        })
+    }
+}
+
+/// Get Handler: displays the form to create a user
+pub async fn get_create_user() -> CreateUser {
+    CreateUser::default()
+}
+
+/// Post Handler: validates form values and calls the actual, private user
+/// creation function
+#[axum::debug_handler]
+pub async fn post_create_user(
+    State(pool): State<SqlitePool>,
+    Form(signup): Form<CreateUser>,
+) -> Result<Response, CreateUserError> {
+    let username = &signup.username;
+    let displayname = &signup.displayname;
+    let email = &signup.email;
+    let password = &signup.password;
+    let verify = &signup.pw_verify;
     let username = username.trim();
+
     let name_len = username.graphemes(true).size_hint().1.unwrap();
     // we are not ascii exclusivists around here
     if !(1..=20).contains(&name_len) {
         return Err(CreateUserErrorKind::BadUsername.into());
     }
 
+    if let Some(ref dn) = displayname {
+        if dn.len() > 50 {
+            return Err(CreateUserErrorKind::BadDisplayname.into());
+        }
+    }
+
+    if password != verify {
+        return Err(CreateUserErrorKind::PasswordMismatch.into());
+    }
+
+    let password = urlencoding::decode(password)
+        .map_err(|_| CreateUserErrorKind::BadPassword)?
+        .to_string();
+    let password = password.as_bytes();
+
+    let displayname = if let Some(dn) = displayname {
+        let dn = urlencoding::decode(dn)
+            .map_err(|_| CreateUserErrorKind::BadDisplayname)?
+            .to_string();
+        Some(dn)
+    } else {
+        None
+    };
+    let displayname = &displayname;
+
+    // TODO(2023-05-17): validate email
+    let email = if let Some(email) = email {
+        let email = urlencoding::decode(email)
+            .map_err(|_| CreateUserErrorKind::BadEmail)?
+            .to_string();
+        Some(email)
+    } else {
+        None
+    };
+    let email = &email;
+
+    let user = create_user(username, displayname, email, password, &pool).await?;
+    tracing::debug!("created {user:?}");
+    let id = user.id.simple().to_string();
+    let location = format!("/signup_success/{id}");
+
+    let resp = axum::response::Redirect::temporary(&location).into_response();
+
+    Ok(resp)
+}
+
+/// Get handler for successful signup
+pub async fn handle_signup_success(
+    Path(id): Path<String>,
+    State(pool): State<SqlitePool>,
+) -> Response {
+    let user: User = {
+        let id = id;
+        let id = Uuid::try_parse(&id).unwrap_or_default();
+        let id_bytes = id.to_bytes_le();
+        sqlx::query_as(ID_QUERY)
+            .bind(id_bytes.as_slice())
+            .fetch_one(&pool)
+            .await
+            .unwrap_or_default()
+    };
+
+    let mut resp = CreateUserSuccess(user.clone()).into_response();
+
+    if user.username.is_empty() {
+        // redirect to front page if we got here without a valid witch header
+        *resp.status_mut() = StatusCode::TEMPORARY_REDIRECT;
+        resp.headers_mut().insert("Location", "/".parse().unwrap());
+    }
+    resp
+}
+
+async fn create_user(
+    username: &str,
+    displayname: &Option<String>,
+    email: &Option<String>,
+    password: &[u8],
+    pool: &SqlitePool,
+) -> Result<User, CreateUserError> {
     // Argon2 with default params (Argon2id v19)
     let argon2 = Argon2::default();
     let salt = SaltString::generate(&mut OsRng);
@@ -79,6 +199,7 @@ pub async fn create_user(
                 username: username.to_string(),
                 displayname: displayname.to_owned(),
                 email: email.to_owned(),
+                last_seen: None,
             };
             Ok(user)
         }
@@ -89,13 +210,13 @@ pub async fn create_user(
                 if exit == 2067u32 || exit == 1555 {
                     Err(CreateUserErrorKind::AlreadyExists.into())
                 } else {
-                    Err(CreateUserErrorKind::Unknown.into())
+                    Err(CreateUserErrorKind::UnknownDBError.into())
                 }
             } else {
-                Err(CreateUserErrorKind::Unknown.into())
+                Err(CreateUserErrorKind::UnknownDBError.into())
             }
         }
-        _ => Err(CreateUserErrorKind::Unknown.into()),
+        _ => Err(CreateUserErrorKind::UnknownDBError.into()),
     }
 }
 
@@ -103,6 +224,17 @@ pub async fn create_user(
 #[non_exhaustive]
 pub struct CreateUserError(#[from] CreateUserErrorKind);
 
+impl IntoResponse for CreateUserError {
+    fn into_response(self) -> askama_axum::Response {
+        match self.0 {
+            CreateUserErrorKind::UnknownDBError => {
+                (StatusCode::INTERNAL_SERVER_ERROR, format!("{self}")).into_response()
+            }
+            _ => (StatusCode::BAD_REQUEST, format!("{self}")).into_response(),
+        }
+    }
+}
+
 #[Error]
 #[non_exhaustive]
 pub enum CreateUserErrorKind {
@@ -110,6 +242,9 @@ pub enum CreateUserErrorKind {
     #[error(desc = "Usernames must be between 1 and 20 non-whitespace characters long")]
     BadUsername,
     PasswordMismatch,
+    BadPassword,
+    BadDisplayname,
+    BadEmail,
     MissingFields,
-    Unknown,
+    UnknownDBError,
 }

templates/base.html

@@ -0,0 +1,18 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <title>{% block title %}{{ title }} - Witch Watch{% endblock %}</title>
+    {% block head %}{% endblock %}
+  </head>
+  <body>
+    <div id="header">
+      {% block header %}{% endblock %}
+    </div>
+    <div id="content">
+      {% block content %}{% endblock %}
+    </div>
+    <div id="footer">
+      {% block footer %}{% endblock %}
+    </div>
+  </body>
+</html>

templates/signup.html

@@ -0,0 +1,23 @@
+{% extends "base.html" %}
+
+{% block title %}Sign Up for Witch Watch, Bish{% endblock %}
+
+{% block content %}
+
+<p>
+<form action="/signup" enctype="application/x-www-form-urlencoded" method="post">
+    <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 (optional)</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 %}

templates/signup_success.html

@@ -0,0 +1,16 @@
+{% extends "base.html" %}
+
+{% block title %}Thanks for Signing Up for Witch Watch, Bish{% endblock %}
+
+{% block content %}
+
+<h1>You did it!</h1>
+
+<div id="signup_success"><p>
+{{ self.0 }}
+</p>
+</div>
+  
+<p>Now, head on over to <a href="/login">the login page</a> and get watchin'!</p>
+  
+{% endblock %}