wip state (building)

.gitignore

@@ -1,2 +1,5 @@
 /target
 .idea/
+test_data/
+.env
+

Cargo.lock

@@ -663,9 +663,9 @@ dependencies = [
 
 [[package]]
 name = "once_cell"
-version = "1.16.0"
+version = "1.17.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "86f0b0d4bf799edbc74508c1e8bf170ff5f41238e5f8225603ca7caaae2b7860"
+checksum = "6f61fba1741ea2b3d6a1e3178721804bb716a68a6aeba1149b5d52e3d464ea66"
 
 [[package]]
 name = "parking_lot"
@@ -1328,6 +1328,7 @@ dependencies = [
  "dashmap",
  "lazy_static",
  "nanoid",
+ "once_cell",
  "parking_lot",
  "serde",
  "tera",

Cargo.toml

@@ -12,6 +12,7 @@ axum = "0.6.1"
 dashmap = "5.4.0"
 lazy_static = "1.4.0"
 nanoid = "0.4.0"
+once_cell = "1.17.0"
 parking_lot = "0.12.1"
 serde = { version = "1.0.152", features = ["derive", "serde_derive"] }
 tera = "1.17.1"

src/admin.rs

@@ -0,0 +1,8 @@
+use axum::{routing::{post, get}, Router};
+
+pub(crate) fn routes() -> Router {
+    Router::new()
+        .route("/", get(todo!()))
+        .route("/user", get(todo!()).post(todo!()))
+        .route("/user/:id", get(todo!()).post(todo!()))
+}

src/data.rs

@@ -1,16 +1,18 @@
 use std::{
     collections::HashMap,
     fs::{read_to_string, remove_file, DirBuilder, File},
-    io::{self, BufRead},
+    os::unix::fs::DirBuilderExt,
     path::PathBuf,
 };
 
-use std::os::unix::fs::DirBuilderExt;
-
 use argon2::{
     password_hash::{rand_core::OsRng, SaltString},
     Argon2, PasswordHash, PasswordHasher, PasswordVerifier,
 };
+use axum::{
+    http::StatusCode,
+    response::{IntoResponse, Response},
+};
 use dashmap::DashMap;
 use lazy_static::lazy_static;
 
@@ -43,6 +45,18 @@ pub enum Error {
     BadPassword,
 }
 
+impl IntoResponse for Error {
+    fn into_response(self) -> Response {
+        match self {
+            Error::ShitMissing(thing) => {
+                (StatusCode::NOT_FOUND, format!("404 not found: {}", thing)).into_response()
+            }
+
+            _ => (StatusCode::INTERNAL_SERVER_ERROR, "shit went wrong sorry").into_response(),
+        }
+    }
+}
+
 fn meta_str_to_map(from: &str) -> Result<HashMap<&str, String>, Error> {
     let map = from
         .lines()
@@ -67,12 +81,14 @@ fn hash_password(password: String) -> Result<String, Error> {
     Ok(hash)
 }
 
-struct TextPaste {
+#[derive(Clone, Debug)]
+pub struct TextPaste {
     pub text: String,
     pub meta: TextMeta,
 }
 
-struct TextMeta {
+#[derive(Clone, Debug)]
+pub struct TextMeta {
     language: Option<String>,
 }
 
@@ -95,8 +111,10 @@ impl std::fmt::Display for TextMeta {
     }
 }
 
-struct FileMeta {
+#[derive(Clone, Debug)]
-    file_name: String,
+pub struct FileMeta {
+    pub file_name: String,
+    pub size: u64,
 }
 
 impl FileMeta {
@@ -104,17 +122,22 @@ impl FileMeta {
         let mut map = meta_str_to_map(from)?;
 
         let file_name = map.remove("file_name").ok_or(Error::Metadata)?;
-        Ok(Self { file_name })
+        let size = map
+            .remove("size")
+            .and_then(|string| string.parse::<u64>().ok())
+            .ok_or(Error::Metadata)?;
+        Ok(Self { file_name, size })
     }
 }
 
 impl std::fmt::Display for FileMeta {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        write!(f, "file_name: {}\n", self.file_name)
+        write!(f, "file_name: {}\nsize: {}\n", self.file_name, self.size)
     }
 }
 
-struct UserData {
+#[derive(Clone, Debug)]
+pub struct UserData {
     pub username: String,
     pub pw_hash: String,
     pub is_admin: bool,
@@ -146,7 +169,7 @@ impl UserData {
 
     pub fn set_password_checked(&mut self, old: String, new: String) -> Result<(), Error> {
         self.validate_password(old)?;
-        self.set_password(new);
+        self.set_password(new)?;
         Ok(())
     }
 
@@ -187,15 +210,40 @@ impl DataStorage {
     }
 
     pub fn init(&mut self) -> Result<(), Error> {
+        println!("1");
         self.ensure_folder_structure()?;
+        println!("2");
         self.load_redirects()?;
+        println!("3");
         self.load_text()?;
+        println!("4");
         self.load_files()?;
+        println!("lets go");
         self.load_users()?;
 
+        self.print_init_message();
+
         Ok(())
     }
 
+    fn print_init_message(&self) {
+        println!(
+                "data storage finished initializing. data loaded from {}:\n- {} redirects\n- {} users\n- {} text pastes\n- {} file/media pastes",
+            self.base_dir.display(),
+            self.redirects.len(),
+            self.users.len(),
+            self.text.len(),
+            self.files.len(),
+        );
+    }
+
+    pub fn get_text(&self, id: String) -> Result<TextPaste, Error> {
+        self.text
+            .get(&id)
+            .map(|thing| thing.value().clone())
+            .ok_or(Error::ShitMissing(id))
+    }
+
     pub fn create_text(&mut self, id: String, text: String, meta: TextMeta) -> Result<(), Error> {
         if self.text.contains_key(&id) {
             return Err(Error::IDCollision);
@@ -232,6 +280,14 @@ impl DataStorage {
         Ok(old_text)
     }
 
+    pub fn get_file_meta(&self, id: String) -> Result<FileMeta, Error> {
+        Ok(self
+            .files
+            .get(&id)
+            .map(|item| item.value().clone())
+            .ok_or(Error::ShitMissing(id))?)
+    }
+
     pub fn create_file(&mut self, id: String, file_meta: FileMeta) -> Result<(), Error> {
         if self.files.contains_key(&id) {
             return Err(Error::IDCollision);
@@ -239,16 +295,14 @@ impl DataStorage {
 
         self.files.insert(id.clone(), file_meta);
 
-        self.write_file_meta(id);
+        self.write_file_meta(id)?;
         Ok(())
     }
 
     pub fn delete_file(&mut self, id: String) -> Result<(), Error> {
-        let file_meta = self
+        self.files
-            .files
             .remove(&id)
-            .ok_or(Error::ShitMissing(id.clone()))?
+            .ok_or(Error::ShitMissing(id.clone()))?;
-            .1;
 
         remove_file(self.base_dir.join(FILE_DIR.as_str()).join(id.clone()))?;
         remove_file(self.base_dir.join(FILE_DIR.as_str()).join(id + ".meta"))?;
@@ -256,6 +310,13 @@ impl DataStorage {
         Ok(())
     }
 
+    pub fn get_redirect(&self, id: String) -> Result<String, Error> {
+        self.redirects
+            .get(&id)
+            .map(|meow| meow.value().to_string())
+            .ok_or(Error::ShitMissing(id))
+    }
+
     pub fn create_redirect(&mut self, id: String, target: String) -> Result<(), Error> {
         if self.redirects.contains_key(&id) {
             return Err(Error::IDCollision);
@@ -335,18 +396,23 @@ impl DataStorage {
         dir_builder.create(self.base_dir.as_path())?;
         dir_builder.create(self.base_dir.join(FILE_DIR.as_str()))?;
         dir_builder.create(self.base_dir.join(TEXT_DIR.as_str()))?;
+        let redir_file = self.base_dir.join(REDIRECTS_FILE.as_str());
+        if !redir_file.exists() {
+            File::create(redir_file)?;
+        }
+        let users_file = self.base_dir.join(USERS_FILE.as_str());
+        if !users_file.exists() {
+            File::create(users_file)?;
+        }
 
         Ok(())
     }
 
     fn load_redirects(&mut self) -> Result<(), Error> {
-        let f = File::options()
+        let contents = read_to_string(self.base_dir.join(REDIRECTS_FILE.as_str()))?;
-            .create(true)
-            .read(true)
-            .open(self.base_dir.join(REDIRECTS_FILE.as_str()))?;
 
-        for line in io::BufReader::new(f).lines() {
+        for line in contents.lines() {
-            let (id, url) = line?
+            let (id, url) = line
                 .split_once(": ")
                 .map(|(id, url)| (id.to_string(), url.to_string()))
                 .ok_or(Error::Metadata)?;
@@ -411,7 +477,7 @@ impl DataStorage {
         for line in read_to_string(self.base_dir.join(USERS_FILE.as_str()))?.lines() {
             if line.starts_with("---") {
                 is_admin = false;
-                break;
+                continue;
             }
             let user = UserData::parse(line, is_admin)?;
             self.users.insert(user.username.clone(), user);
@@ -420,7 +486,7 @@ impl DataStorage {
     }
 
     fn write_redirects(&self) -> Result<(), Error> {
-        let mut fuckery: String = self
+        let fuckery: String = self
             .redirects
             .iter()
             .map(|meow| format!("{}: {}\n", meow.key(), meow.value()))
@@ -432,7 +498,7 @@ impl DataStorage {
 
     fn write_users(&self) -> Result<(), Error> {
         let mut fuckery = String::from("---");
-        self.users.iter().map(|item| {
+        self.users.iter().for_each(|item| {
             if item.value().is_admin {
                 fuckery = format!("{}\n{}", item.value().to_string(), fuckery)
             } else {

src/down.rs

@@ -1,11 +1,64 @@
-use axum::{routing::get, Router};
+use axum::{
-
+    extract::{Path, State},
-pub(crate) fn routes() -> Router {
+    http::{header, StatusCode},
-    Router::new()
+    response::{Html, IntoResponse},
-        .route("/t/:id", get(todo!()))
+    routing::get,
-        .route("/f/:id", get(todo!()))
+    Router,
-        .route("/l/:id", get(todo!()))
+};
-        .route("/text/:id", get(todo!()))
+
-        .route("/file/:id", get(todo!()))
+use crate::{AppState, Error};
-        .route("/link/:id", get(todo!()))
+
+pub(crate) fn routes(router: Router<AppState>) -> Router<AppState> {
+    router
+        .route("/t/:id", get(get_text_page))
+        .route("/t/:id/raw", get(get_text_raw))
+        .route("/f/:id", get(get_file_page))
+        .route("/f/:id/dl", get(|| async { "Hello world" }))
+        .route("/l/:id", get(get_redirect))
+        .route("/text/:id", get(get_text_page))
+        .route("/text/:id/raw", get(get_text_raw))
+        .route("/file/:id", get(get_file_page))
+        .route("/file/:id/download", get(|| async { "Hello world" }))
+        .route("/link/:id", get(get_redirect))
+}
+
+async fn get_redirect(State(state): State<AppState>, Path(id): Path<String>) -> impl IntoResponse {
+    match state.cache.get_redirect(id) {
+        Ok(target) => (StatusCode::FOUND, [(header::LOCATION, target)]).into_response(),
+        Err(e) => e.into_response(),
+    }
+}
+
+async fn get_text_raw(State(state): State<AppState>, Path(id): Path<String>) -> impl IntoResponse {
+    match state.cache.get_text(id) {
+        Ok(text) => text.text.into_response(),
+        Err(e) => e.into_response(),
+    }
+}
+
+async fn get_text_page(
+    State(state): State<AppState>,
+    Path(id): Path<String>,
+) -> Result<Html<String>, Error> {
+    let text = state.cache.get_text(id)?;
+
+    let mut ctx = tera::Context::new();
+
+    ctx.insert("text", &text.text);
+
+    return Ok(Html(state.tera.render("text.html", &ctx)?));
+}
+
+async fn get_file_page(
+    State(state): State<AppState>,
+    Path(id): Path<String>,
+) -> Result<Html<String>, Error> {
+    let file_meta = state.cache.get_file_meta(id)?;
+
+    let mut ctx = tera::Context::new();
+
+    ctx.insert("size", &file_meta.size);
+    ctx.insert("file_name", &file_meta.file_name);
+
+    return Ok(Html(state.tera.render("file.html", &ctx)?));
 }

src/main.rs

@@ -1,71 +1,94 @@
+#![allow(dead_code)]
+
 mod data;
 mod down;
-mod up;
+//mod up;
+//mod user;
+//mod admin;
 
-use std::{net::SocketAddr, path::PathBuf};
+use std::{net::SocketAddr, path::PathBuf, sync::Arc};
 
-use axum::{routing::get, Router};
+use axum::{extract::State, http::StatusCode, response::IntoResponse, routing::get, Router};
-use lazy_static::lazy_static;
 use tera::Tera;
 
 use data::DataStorage;
 
-lazy_static! {
-    pub static ref TEMPLATES: Tera = {
-        let tera = Tera::new(concat!(env!("CARGO_MANIFEST_DIR"), "/templates/**/*.html"))
-            .expect("Parsing error(s)");
-
-        tera
-    };
-}
-
 #[derive(thiserror::Error, Debug)]
 pub enum Error {
     #[error("DataStorage error")]
     DataStorage(#[from] data::Error),
-    #[error("invalid env var")]
+    #[error("invalid or missing env var: {0}")]
-    EnvVar,
+    EnvVar(String),
+    #[error("tera error")]
+    Tera(#[from] tera::Error),
 }
 
+impl IntoResponse for Error {
+    fn into_response(self) -> axum::response::Response {
+        match self {
+            Error::DataStorage(ds_error) => ds_error.into_response(),
+            _ => (StatusCode::INTERNAL_SERVER_ERROR, "shit went wrong sorry").into_response(),
+        }
+    }
+}
+
+#[derive(Clone)]
 struct AppState {
     alphabet: Vec<char>,
     id_length: usize,
-    cache: DataStorage,
+    cache: Arc<DataStorage>,
+    tera: Tera,
 }
 
 impl AppState {
     pub fn new() -> Result<Self, Error> {
-        let base_dir_string = std::env::var("V_BASE_DIR").or(Err(Error::EnvVar))?;
+        let base_dir_string =
+            std::env::var("V_BASE_DIR").or(Err(Error::EnvVar("V_BASE_DIR".to_string())))?;
         let id_length: usize = std::env::var("V_ID_LENGTH")
             .unwrap_or("6".to_string())
             .parse()
-            .or(Err(Error::EnvVar))?;
+            .or(Err(Error::EnvVar("V_ID_LENGTH".to_string())))?;
         let alphabet = std::env::var("V_ID_ALPHABET")
             .unwrap_or("abcdefghijkmnpqrstuwxyz123467890".to_string())
             .chars()
             .collect();
 
-        let base_dir = PathBuf::new();
+        let mut base_dir = PathBuf::new();
         base_dir.push(base_dir_string);
 
         let mut cache = DataStorage::new(base_dir);
         cache.init()?;
 
+        let tera = Tera::new(concat!(env!("CARGO_MANIFEST_DIR"), "/templates/**/*.html"))
+            .expect("Parsing error(s)");
+
         Ok(Self {
             alphabet,
             id_length,
-            cache,
+            cache: Arc::new(cache),
+            tera,
         })
     }
 }
 
-fn routes() -> Router {
+fn routes() -> Result<Router, Error> {
-    let up = up::routes();
+    let state = AppState::new()?;
-    let down = down::routes();
+    //    let up = up::routes();
-    Router::new()
+    //    let down = down::routes();
-        .route("/", get(|| async { "Hello, World!" }))
+    //    let user = user::routes();
-        .merge(down)
+    //    let admin = admin::routes();
-        .nest("/up", up)
+    let router = Router::new().route("/extrac", get(test_extrac));
+    //        .merge(down)
+    //        .nest("/up", up)
+    //        .nest("/user", user)
+    //        .nest("/admin", admin)
+    let meow = down::routes(router);
+
+    Ok(meow.with_state(state))
+}
+
+async fn test_extrac(State(state): State<AppState>) -> String {
+    state.id_length.to_string()
 }
 
 #[tokio::main]
@@ -75,7 +98,7 @@ async fn main() -> anyhow::Result<()> {
         .parse()
         .expect("LISTEN_ADDR parse error");
 
-    let app = routes();
+    let app = routes()?;
 
     axum::Server::bind(&addr)
         .serve(app.into_make_service())

src/up.rs

@@ -1,8 +1,11 @@
-use axum::{routing::post, Router};
+use axum::{routing::{post, get}, Router};
 
 pub(crate) fn routes() -> Router {
     Router::new()
         .route("/text", post(todo!()))
         .route("/file", post(todo!()))
         .route("/link", post(todo!()))
+        .route("/text/:id", get(todo!()).post(todo!()))
+        .route("/file/:id", get(todo!()).post(todo!()))
+        .route("/link/:id", get(todo!()).post(todo!()))
 }

src/user.rs

@@ -0,0 +1,7 @@
+use axum::{Router, routing::post};
+
+pub(crate) fn routes() -> Router {
+    Router::new()
+        .route("/password", post(todo!()))
+        .route("/login", post(todo!()))
+}

templates/base.html

@@ -10,13 +10,13 @@
     <link rel="stylesheet" href="static/main.css" type="text/css" />
     {% endblock head %}
   </head>
-  <body {% block bodytags %}{% endblock bodytags %}>
+  <body>
     {% block body %}
     <header>
       {% block header %}{% endblock header %}
     </header>
     <main>
-      {% block main %}{% enblock main %}
+      {% block main %}{% endblock main %}
     </main>
     <footer>
       {% block footer %}{% endblock footer %}

templates/file.html

@@ -0,0 +1,5 @@
+{% extends "base.html" %}
+
+{% block main %}
+file {{ file_name }} ({{ size | filesizeformat }})
+{% endblock main %}

templates/text.html

@@ -0,0 +1,7 @@
+{% extends "base.html" %}
+
+{% block main %}
+
+{{ text }}
+
+{% endblock main %}