initial commit of slink

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2021-02-04 15:07:55 +01:00
commit d64f205162
23 changed files with 3989 additions and 0 deletions
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use actix_identity::Identity;
use actix_web::{web, HttpResponse};
use qrcodegen::{QrCode, QrCodeEcc};
use crate::ServerError;
use super::forms::LinkForm;
use super::models::{Link, LoginUser, NewLink, NewUser, User};
use argonautica::Verifier;
use diesel::sqlite::SqliteConnection;
use diesel::{prelude::*, result::Error::NotFound};
use dotenv::dotenv;
use tera::{Context, Tera};
fn establish_connection() -> Result<SqliteConnection, ServerError> {
dotenv().ok();
let database_url = std::env::var("DATABASE_URL")?;
match SqliteConnection::establish(&database_url) {
Ok(c) => Ok(c),
Err(e) => {
info!("Error connecting to database: {}, {}", database_url, e);
Err(ServerError::User(
"Error connecting to Database".to_string(),
))
}
}
}
/// Show the list of all available links if a user is authenticated
pub(crate) async fn index(
tera: web::Data<Tera>,
id: Identity,
) -> Result<HttpResponse, ServerError> {
use super::schema::links::dsl::links;
use super::schema::users::dsl::users;
if let Some(id) = id.identity() {
let connection = establish_connection()?;
let all_links: Vec<(Link, User)> = links.inner_join(users).load(&connection)?;
let mut data = Context::new();
data.insert("name", &id);
data.insert("title", "Links der Freien Hochschule Stuttgart");
data.insert("links_per_users", &all_links);
let rendered = tera.render("index.html", &data)?;
Ok(HttpResponse::Ok().body(rendered))
} else {
Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/"))
}
}
pub(crate) async fn view_link(
tera: web::Data<Tera>,
id: Identity,
link_id: web::Path<String>,
) -> Result<HttpResponse, ServerError> {
println!("Viewing link!");
use super::schema::links::dsl::{code, links};
if let Some(id) = id.identity() {
let connection = establish_connection()?;
let link: Link = links
.filter(code.eq(&link_id.0))
.first::<Link>(&connection)?;
let qr =
QrCode::encode_text(&format!("http://fhs.li/{}", &link_id.0), QrCodeEcc::Low).unwrap();
let svg = qr.to_svg_string(4);
let mut data = Context::new();
data.insert("name", &id);
data.insert(
"title",
&format!("Links {} der Freien Hochschule Stuttgart", link_id.0),
);
data.insert("link", &link);
data.insert("qr", &svg);
let rendered = tera.render("view_link.html", &data)?;
Ok(HttpResponse::Ok().body(rendered))
} else {
Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/"))
}
}
pub(crate) async fn signup(
tera: web::Data<Tera>,
id: Identity,
) -> Result<HttpResponse, ServerError> {
if let Some(id) = id.identity() {
let mut data = Context::new();
data.insert("title", "Sign Up");
data.insert("name", &id);
let rendered = tera.render("signup.html", &data)?;
Ok(HttpResponse::Ok().body(rendered))
} else {
Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/"))
}
}
pub(crate) async fn process_signup(
data: web::Form<NewUser>,
id: Identity,
) -> Result<HttpResponse, ServerError> {
if let Some(_id) = id.identity() {
use super::schema::users;
let connection = establish_connection()?;
let new_user = NewUser::new(
data.username.clone(),
data.email.clone(),
data.password.clone(),
)?;
diesel::insert_into(users::table)
.values(&new_user)
.execute(&connection)?;
println!("{:?}", data);
Ok(HttpResponse::Ok().body(format!("Successfully saved user: {}", data.username)))
} else {
Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/"))
}
}
pub(crate) async fn login(
tera: web::Data<Tera>,
id: Identity,
) -> Result<HttpResponse, ServerError> {
let mut data = Context::new();
data.insert("title", "Login");
if let Some(_id) = id.identity() {
return Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/index/")
.body("Redirect to /index/"));
}
let rendered = tera.render("login.html", &data)?;
Ok(HttpResponse::Ok().body(rendered))
}
pub(crate) async fn process_login(
data: web::Form<LoginUser>,
id: Identity,
) -> Result<HttpResponse, ServerError> {
use super::schema::users::dsl::{username, users};
let connection = establish_connection()?;
let user = users
.filter(username.eq(&data.username))
.first::<User>(&connection);
match user {
Ok(u) => {
dotenv().ok();
let secret = std::env::var("SECRET_KEY")?;
let valid = Verifier::default()
.with_hash(u.password)
.with_password(data.password.clone())
.with_secret_key(secret)
.verify()?;
if valid {
let session_token = u.username;
id.remember(session_token);
Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/index/")
.body("Redirect to /index/"))
} else {
Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/"))
}
}
Err(_e) => Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/")),
}
}
pub(crate) async fn logout(id: Identity) -> Result<HttpResponse, ServerError> {
id.forget();
Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/"))
}
pub(crate) async fn redirect(
tera: web::Data<Tera>,
data: web::Path<String>,
) -> Result<HttpResponse, ServerError> {
use super::schema::links::dsl::{code, links};
let connection = establish_connection()?;
let link = links.filter(code.eq(&data.0)).first::<Link>(&connection);
match link {
Ok(link) => Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, link.target.clone())
.body(format!("Redirect to {}", link.target))),
Err(NotFound) => {
let mut data = Context::new();
data.insert("title", "Wurde gelöscht");
let rendered = tera.render("not_found.html", &data)?;
Ok(HttpResponse::NotFound().body(rendered))
}
Err(e) => Err(e.into()),
}
}
pub(crate) async fn redirect_fhs() -> Result<HttpResponse, ServerError> {
Ok(HttpResponse::TemporaryRedirect().set_header(
actix_web::http::header::LOCATION,
"https://www.freie-hochschule-stuttgart.de",
).body("If you are not redirected automatically go to https://www.freie-hochschule-stuttgart.de"))
}
pub(crate) async fn submission(
tera: web::Data<Tera>,
id: Identity,
) -> Result<HttpResponse, ServerError> {
if let Some(id) = id.identity() {
let mut data = Context::new();
data.insert("title", "Submit a Post");
data.insert("name", &id);
let rendered = tera.render("submission.html", &data)?;
return Ok(HttpResponse::Ok().body(rendered));
}
Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/"))
}
pub(crate) async fn process_submission(
data: web::Form<LinkForm>,
id: Identity,
) -> Result<HttpResponse, ServerError> {
if let Some(id) = id.identity() {
use super::schema::users::dsl::{username, users};
let connection = establish_connection()?;
let user: Result<User, diesel::result::Error> =
users.filter(username.eq(id)).first(&connection);
match user {
Ok(u) => {
use super::schema::links;
let new_post = NewLink::from_link_form(data.into_inner(), u.id);
diesel::insert_into(links::table)
.values(&new_post)
.execute(&connection)?;
return Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/index/")
.body("Redirect to /index/"));
}
Err(_e) => Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/")),
}
} else {
Ok(HttpResponse::TemporaryRedirect()
.set_header(actix_web::http::header::LOCATION, "/login/")
.body("Redirect to /login/"))
}
}