User creation now possible!

Signed-off-by: Louis Hollingworth <louis@hollingworth.nl>

.gitignore

@@ -1,2 +1,4 @@
 /target
 .envrc
+/data
+.blogrss.toml

.sqlx/query-4b300d7e44f7b6c95cfb9a2791e81abb21ecf887cb7cf46e5dcb45567818cab4.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "SQLite",
+  "query": "\n                    INSERT INTO users (id, name, epost, xmpp, site, password, active_token)\n                    VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7) \n                    ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 7
+    },
+    "nullable": []
+  },
+  "hash": "4b300d7e44f7b6c95cfb9a2791e81abb21ecf887cb7cf46e5dcb45567818cab4"
+}

.sqlx/query-a2c624a66b1999281d3b63e85b77785d0aae8d5ebc4865b7d42d7afd81e6f58c.json

@@ -0,0 +1,56 @@
+{
+  "db_name": "SQLite",
+  "query": "\n        SELECT * FROM users\n        ",
+  "describe": {
+    "columns": [
+      {
+        "name": "id",
+        "ordinal": 0,
+        "type_info": "Int64"
+      },
+      {
+        "name": "name",
+        "ordinal": 1,
+        "type_info": "Text"
+      },
+      {
+        "name": "site",
+        "ordinal": 2,
+        "type_info": "Text"
+      },
+      {
+        "name": "xmpp",
+        "ordinal": 3,
+        "type_info": "Text"
+      },
+      {
+        "name": "epost",
+        "ordinal": 4,
+        "type_info": "Text"
+      },
+      {
+        "name": "password",
+        "ordinal": 5,
+        "type_info": "Text"
+      },
+      {
+        "name": "active_token",
+        "ordinal": 6,
+        "type_info": "Text"
+      }
+    ],
+    "parameters": {
+      "Right": 0
+    },
+    "nullable": [
+      false,
+      false,
+      false,
+      true,
+      true,
+      false,
+      true
+    ]
+  },
+  "hash": "a2c624a66b1999281d3b63e85b77785d0aae8d5ebc4865b7d42d7afd81e6f58c"
+}

Cargo.toml

@@ -2,6 +2,11 @@
 name = "blogrss"
 version = "0.1.0"
 edition = "2021"
+authors = ["Louis Hollingworth <louis@hollingworth.nl>"]
+readme = "README.md"
+repository = "https://git.ludoviko.ch/lucxjo/blogrss"
+license = "AGPL-3.0-or-later"
+description = "A simple blogging system using RSS/Atom"
 
 [lib]
 
@@ -14,9 +19,18 @@ name = "blogrss-server"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+argon2 = "0.5.2"
 atom_syndication = { version = "0.12.2", features = ["with-serde"] }
 axum = "0.7.3"
 axum-xml = "0.2.0"
+chrono = "0.4.31"
+clap = { version = "4.4.16", features = ["derive"] }
+jsonwebtoken = "9.2.0"
+rand_core = { version = "0.6.4", features = ["getrandom"] }
+reqwest = { version = "0.11.23", features = ["json", "native-tls-vendored"] }
 rss = { version = "2.0.6", features = ["serde", "atom", "atom_syndication", "chrono", "with-serde"] }
+rustcrypto = "0.0.0"
 serde = { version = "1.0.195", features = ["derive"] }
+sqlx = { version = "0.7.3", features = ["runtime-tokio", "sqlite"] }
 tokio = { version = "1.35.1", features = ["full"] }
+toml = "0.8.8"

migrations/0001_add_user.down.sql

@@ -0,0 +1,2 @@
+-- Add down migration script here
+DROP TABLE "users";

migrations/0001_add_user.up.sql

@@ -0,0 +1,9 @@
+-- Add up migration script here
+CREATE TABLE "users" (
+    id INTEGER PRIMARY KEY,
+    name TEXT NOT NULL,
+    site TEXT NOT NULL,
+    xmpp TEXT,
+    epost TEXT,
+    password TEXT NOT NULL
+);

migrations/0002_add_token_to_user.down.sql

@@ -0,0 +1,2 @@
+-- Add down migration script here
+ALTER TABLE users DROP COLUMN active_token;

migrations/0002_add_token_to_user.up.sql

@@ -0,0 +1,3 @@
+-- Add up migration script here
+ALTER TABLE users
+ADD COLUMN active_token TEXT;

src/bin/blogrss-server.rs

@@ -1,15 +1,92 @@
+use argon2::PasswordHasher;
+use blogrss::{User, RegisterUser};
 
 #[tokio::main]
 async fn main() {
-    let app = axum::Router::new()
-        .route("/", axum::routing::get(test_feed));
+    let database_url = std::env::var("DATABASE_URL").expect("DATABASE_URL must be set");
+    let pool = sqlx::SqlitePool::connect(&database_url).await.unwrap();
 
-    let listener = tokio::net::TcpListener::bind("0.0.0.0:3000")
-        .await
-        .unwrap();
+    let app = axum::Router::new()
+        .route("/test", axum::routing::get(test_feed))
+        .route("/user/register", axum::routing::post(register_user))
+        .with_state(pool);
+
+    let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap();
     axum::serve(listener, app).await.unwrap();
 }
 
+#[derive(serde::Deserialize, serde::Serialize)]
+struct JWTClaims {
+    sub: String,
+    exp: usize,
+}
+
+async fn register_user(
+    axum::extract::State(pool): axum::extract::State<sqlx::SqlitePool>,
+    axum::Json(user): axum::Json<RegisterUser>,
+) -> Result<String, (axum::http::StatusCode, String)> {
+    let recs = sqlx::query_as!(
+        User,
+        r#"
+        SELECT * FROM users
+        "#
+    )
+    .fetch_all(&pool)
+    .await;
+    match recs {
+        Err(_) => {
+            return Err((
+                axum::http::StatusCode::INTERNAL_SERVER_ERROR,
+                "Error getting users".to_string(),
+            ))
+        }
+        Ok(r) => {
+            if r.len() == 0 {
+                if user.epost.is_none() && user.xmpp.is_none() {
+                    return Err((
+                        axum::http::StatusCode::BAD_REQUEST,
+                        "E-post and/or XMPP must be supplied!".to_string(),
+                    ));
+                }
+
+                let claims = JWTClaims {
+                    sub: user.xmpp.clone().unwrap_or(user.epost.clone().unwrap()),
+                    exp: chrono::Utc::now().checked_add_signed(chrono::Duration::days(2)).expect("Valid timestamp").timestamp() as usize,
+                };
+
+                let token = jsonwebtoken::encode(&jsonwebtoken::Header::default(), &claims, &jsonwebtoken::EncodingKey::from_secret(std::env::var("JWT_SECRET").unwrap().as_bytes())).unwrap();
+                let salt = argon2::password_hash::SaltString::generate(&mut rand_core::OsRng);
+                let argon2 = argon2::Argon2::default();
+                let hash = argon2
+                    .hash_password(user.password.as_bytes(), &salt)
+                    .unwrap()
+                    .to_string();
+                sqlx::query_as!(
+                    User,
+                    r#"
+                    INSERT INTO users (id, name, epost, xmpp, site, password, active_token)
+                    VALUES (?1, ?2, ?3, ?4, ?5, ?6, ?7) 
+                    "#,
+                    1,
+                    user.name,
+                    user.epost,
+                    user.xmpp,
+                    user.site,
+                    hash,
+                    token
+                )
+                .execute(&pool)
+                .await
+                .unwrap();
+
+
+                return Ok(token);
+            }
+            return Err((axum::http::StatusCode::CONFLICT, "There is already a user in the database. We currently don't support more than one user.".to_string()));
+        }
+    }
+}
+
 async fn test_feed() -> axum::response::Response {
     let mut entries = Vec::<atom_syndication::Entry>::new();
 
@@ -17,26 +94,24 @@ async fn test_feed() -> axum::response::Response {
         atom_syndication::EntryBuilder::default()
             .title("First Test Post")
             .id("first-test-post".to_string())
-            .authors(vec![
-                atom_syndication::Person {
-                    name: "Test Person".into(),
-                    email: Some("test@example.com".into()),
-                    uri: Some("http://localhost:3000".into()),
-                    ..Default::default()
-                }
-            ])
+            .authors(vec![atom_syndication::Person {
+                name: "Test Person".into(),
+                email: Some("test@example.com".into()),
+                uri: Some("http://localhost:3000".into()),
+                ..Default::default()
+            }])
             .content(Some(
                 atom_syndication::ContentBuilder::default()
                     .lang(Some("en".into()))
                     .value(Some("<p>This is a test post</p>".into()))
                     .content_type(Some("html".into()))
-                    .build()
+                    .build(),
             ))
-            .build()
+            .build(),
     );
 
     let atom = atom_syndication::Feed {
-        title: "Test Feed".into(), 
+        title: "Test Feed".into(),
         id: "blog.localhost".into(),
         entries,
         ..Default::default()

src/bin/blogrss.rs

@@ -1,2 +1,159 @@
+#![feature(fs_try_exists)]
+use clap::{Parser, Subcommand};
 
-fn main() {}
+#[derive(Parser)]
+#[command(author, version, about, long_about = None)]
+struct Cli {
+    #[command(subcommand)]
+    command: Commands,
+}
+
+#[derive(Subcommand)]
+enum Commands {
+    /// Manipulate users (requires an initialised site)
+    User {
+        #[command(subcommand)]
+        command: UserCommands,
+    },
+    Site {
+        #[command(subcommand)]
+        command: SiteCommands,
+    },
+}
+
+#[derive(Subcommand)]
+enum UserCommands {
+    /// Register a user with the site
+    Register {
+        /// The name to show on blog posts by this user
+        #[arg(short, long)]
+        name: String,
+        /// The e-post/e-mail of this user, optional if XMPP address is supplied
+        /// shows in the feed.
+        #[arg(short, long)]
+        epost: Option<String>,
+        /// The XMPP address of the user, optional if e-post address is supplied
+        /// does not show in the feed, but shows in the body as a contact.
+        #[arg(short, long)]
+        xmpp: Option<String>,
+        /// The site URL for the user (should be the same as where the main blog shows)
+        #[arg(short, long)]
+        site: String,
+        /// The password for the user
+        #[arg(short, long)]
+        password: String,
+    },
+}
+
+#[derive(Subcommand)]
+enum SiteCommands {
+    /// Initialises a site in the current directory
+    Init {
+        /// The name for the site
+        #[arg(short, long)]
+        name: String,
+        /// The URL for the main site
+        #[arg(short, long)]
+        url: String,
+        /// The URL for the API
+        #[arg(short, long)]
+        api: String,
+    },
+}
+
+#[derive(serde::Serialize, serde::Deserialize)]
+struct Config {
+    site: SiteConfig,
+    user: Option<UserConfig>,
+}
+
+#[derive(serde::Serialize, serde::Deserialize)]
+struct SiteConfig {
+    name: String,
+    url: String,
+    api_url: String,
+}
+
+#[derive(serde::Serialize, serde::Deserialize)]
+struct UserConfig {
+    contact: String,
+    jwt: String,
+}
+
+fn deref_string_opt(val: &Option<String>) -> Option<String> {
+    let v = match val {
+        Some(s) => Some(s.to_string()),
+        None => None
+    };
+    return v;
+}
+
+#[tokio::main]
+async fn main() {
+    let cli = Cli::parse();
+
+    match &cli.command {
+        Commands::User { command } => match command {
+            UserCommands::Register { name, epost, xmpp, site, password } => {
+                let cfg_file = std::fs::read_to_string("./blogrss.toml").unwrap();
+                let cfg: Config = toml::from_str(&cfg_file).unwrap();
+                if epost.is_none() && xmpp.is_none() {
+                    println!("E-post and/or xmpp must be supplied!");
+                    return;
+                }
+
+                let new_user = blogrss::RegisterUser {
+                    name: name.to_string(),
+                    epost: deref_string_opt(epost),
+                    xmpp: deref_string_opt(xmpp),
+                    site: site.to_string(),
+                    password: password.to_string(),
+                };
+
+                let client = reqwest::Client::new();
+                let res = client.post(format!("{}/user/register", cfg.site.api_url))
+                    .json(&new_user)
+                    .send()
+                    .await.unwrap();
+
+                if res.status().is_success() {
+                    let new_cfg = Config {
+                        site: cfg.site,
+                        user: Some(UserConfig {
+                            jwt: res.text().await.unwrap(),
+                            contact: match deref_string_opt(xmpp) {
+                                Some(s) => format!("xmpp:{}", s),
+                                None => format!("epost:{}", deref_string_opt(epost).unwrap())
+                            }
+                        })
+                    };
+                    std::fs::write("./blogrss.toml", toml::to_string(&new_cfg).unwrap()).expect("Unable to write data");
+                    println!("Success! You are now registered and logged in");
+                    return;
+                } else {
+                    eprintln!("There was an error creating your account");
+                    return;
+                }
+            }
+        }
+        Commands::Site { command } => match command {
+            SiteCommands::Init { name, url, api } => {
+                if std::fs::try_exists("./blogrss.toml").unwrap() {
+                    println!("Site already initialised!")
+                } else {
+                    let cfg = Config {
+                        site: SiteConfig {
+                            api_url: api.to_string(),
+                            name: name.to_string(),
+                            url: url.to_string(),
+                        },
+                        user: None,
+                    };
+                    std::fs::write("./blogrss.toml", toml::to_string(&cfg).unwrap())
+                        .expect("Unable to write data");
+                    println!("Site initialised!")
+                }
+            }
+        },
+    }
+}

src/lib.rs

@@ -1,14 +1,20 @@
-pub fn add(left: usize, right: usize) -> usize {
-    left + right
+
+#[derive(serde::Deserialize, serde::Serialize, sqlx::FromRow)]
+pub struct RegisterUser {
+    pub name: String,
+    pub epost: Option<String>,
+    pub xmpp: Option<String>,
+    pub site: String,
+    pub password: String,
 }
 
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn it_works() {
-        let result = add(2, 2);
-        assert_eq!(result, 4);
-    }
+#[derive(serde::Serialize, serde::Deserialize, sqlx::FromRow)]
+pub struct User {
+    pub id: i64,
+    pub name: String,
+    pub epost: Option<String>,
+    pub xmpp: Option<String>,
+    pub site: String,
+    pub password: String,
+    pub active_token: Option<String>
 }