cache index.html and auth-hide.js in static directory

This commit is contained in:
neri 2021-12-08 18:54:55 +01:00
parent 6b60399c5f
commit 424af11918
8 changed files with 241 additions and 136 deletions

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@ -25,13 +25,16 @@ docker-compose up -d --build
## running & config
- The static files directory needs to be next to the binary.
- The `static` files directory needs to be next to the binary.
- The `static` directory needs to be writable
- On startup the `index.html` will be generated based on the config
- The maximum filename length is 255
### General configuration
| environment variable | default value |
| -------------------- | -------------- |
| STATIC_DIR | ./static |
| FILES_DIR | ./files |
| UPLOAD_MAX_BYTES | 8388608 (8MiB) |
| BIND_ADDRESS | 0.0.0.0:8000 |

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@ -6,4 +6,4 @@
<br />
<input id="password" name="password" type="password" />
</div>
<script src="/assets/auth-hide.js" lang="javascript"></script>
<script src="/static/auth-hide.js" lang="javascript"></script>

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@ -5,6 +5,7 @@ use chrono::Duration;
#[derive(Clone)]
pub struct Config {
pub static_dir: PathBuf,
pub files_dir: PathBuf,
pub max_file_size: Option<u64>,
pub no_auth_limits: Option<NoAuthLimits>,
@ -25,6 +26,8 @@ pub async fn get_config() -> Config {
.unwrap_or(8 * 1024 * 1024);
let max_file_size = (max_file_size != 0).then(|| max_file_size);
let static_dir =
PathBuf::from(env::var("STATIC_DIR").unwrap_or_else(|_| "./static".to_owned()));
let files_dir = PathBuf::from(env::var("FILES_DIR").unwrap_or_else(|_| "./files".to_owned()));
fs::create_dir_all(&files_dir)
.await
@ -33,6 +36,7 @@ pub async fn get_config() -> Config {
let no_auth_limits = get_no_auth_limits();
Config {
static_dir,
files_dir,
max_file_size,
no_auth_limits,
@ -55,7 +59,9 @@ fn get_no_auth_limits() -> Option<NoAuthLimits> {
})
}
(None, None, None, None) => None,
_ => panic!("Incomplete NO_AUTH configuration: All environment variables must be specified")
_ => {
panic!("Incomplete NO_AUTH configuration: All environment variables must be specified")
}
}
}

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@ -4,6 +4,7 @@ mod deleter;
mod download;
mod file_kind;
mod multipart;
mod template;
mod upload;
use actix_files::Files;
@ -39,6 +40,8 @@ async fn main() -> std::io::Result<()> {
config.files_dir.clone(),
));
template::write_prefillable_templates(&config).await;
HttpServer::new({
move || {
App::new()
@ -52,9 +55,6 @@ async fn main() -> std::io::Result<()> {
web::resource(["/upload/{id}", "/upload/{id}/{name}"])
.route(web::get().to(upload::uploaded)),
)
.service(
web::resource("/assets/auth-hide.js").route(web::get().to(upload::auth_hide)),
)
.service(Files::new("/static", "static").disable_content_disposition())
.service(
web::resource([

139
src/template.rs Normal file
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@ -0,0 +1,139 @@
use std::cmp;
use actix_web::web;
use chrono::Duration;
use crate::config::Config;
const INDEX_HTML: &str = include_str!("../template/index.html");
const AUTH_HIDE_JS: &str = include_str!("../template/auth-hide.js");
const AUTH_SNIPPET_HTML: &str = include_str!("../snippet/auth.html.snippet");
const MAX_SIZE_SNIPPET_HTML: &str = include_str!("../snippet/max_size.html.snippet");
pub async fn write_prefillable_templates(config: &Config) {
let index_html = build_index_html(config);
let auth_hide_js = build_auth_hide_js(config);
let index_path = config.static_dir.join("index.html");
let auth_hide_path = config.static_dir.join("auth-hide.js");
async_std::fs::write(index_path, index_html)
.await
.expect("could not write index.html to static folder");
if let Some(auth_hide_js) = auth_hide_js {
async_std::fs::write(auth_hide_path, auth_hide_js)
.await
.expect("could not write auth-hide.js to static folder");
} else if auth_hide_path.exists().await {
async_std::fs::remove_file(auth_hide_path)
.await
.expect("could not delete auth-hide.js from static folder");
}
}
fn build_index_html(config: &Config) -> String {
let auth_snippet = config
.no_auth_limits
.as_ref()
.map_or("", |_| AUTH_SNIPPET_HTML);
let max_size_snippet = config
.max_file_size
.as_ref()
.map_or("", |_| MAX_SIZE_SNIPPET_HTML);
INDEX_HTML
.replace("{max_size_snippet}", max_size_snippet)
.replace(
"{max_size}",
&render_file_size(config.max_file_size.unwrap_or(0)),
)
.replace("{auth_snippet}", auth_snippet)
.replace(
"{auth_time}",
&config
.no_auth_limits
.as_ref()
.map(|limit| limit.max_time)
.map_or("".into(), render_duration),
)
.replace(
"{auth_large_time}",
&config
.no_auth_limits
.as_ref()
.map(|limit| limit.large_file_max_time)
.map_or("".into(), render_duration),
)
.replace(
"{auth_large_size}",
&config
.no_auth_limits
.as_ref()
.map(|limit| limit.large_file_size)
.map_or("".into(), render_file_size),
)
}
fn render_file_size(size: u64) -> String {
let magnitude = cmp::min((size as f64).log(1024.0) as u32, 5);
let prefix = ["", "ki", "Mi", "Gi", "Ti", "Pi"][magnitude as usize];
let value = size / (1024_u64.pow(magnitude));
format!("{}{}B", value, prefix)
}
fn render_duration(duration: Duration) -> String {
let days = duration.num_days();
let hours = duration.num_hours() % 24;
let minutes = duration.num_minutes() % 60;
let seconds = duration.num_seconds() % 60;
let mut elements = vec![];
if let Some(name) = pluralize(days, "tag", "e") {
elements.push(name);
}
if let Some(name) = pluralize(hours, "stunde", "n") {
elements.push(name);
}
if let Some(name) = pluralize(minutes, "minute", "n") {
elements.push(name);
}
if let Some(name) = pluralize(seconds, "sekunde", "n") {
elements.push(name);
}
elements.join("+")
}
fn pluralize(number: i64, word: &str, suffix: &str) -> Option<String> {
match number {
0 => None,
1 => Some(format!("{} {}", number, word)),
_ => Some(format!("{} {}{}", number, word, suffix)),
}
}
fn build_auth_hide_js(config: &Config) -> Option<String> {
if let Some(no_auth_limits) = &config.no_auth_limits {
let auth_hide_js = AUTH_HIDE_JS
.replace(
"{no_auth_max_time}",
&no_auth_limits.max_time.num_seconds().to_string(),
)
.replace(
"{no_auth_large_file_max_time}",
&no_auth_limits.large_file_max_time.num_seconds().to_string(),
)
.replace(
"{no_auth_large_file_size}",
&no_auth_limits.large_file_size.to_string(),
);
Some(auth_hide_js)
// Ok(HttpResponse::Ok()
// .content_type("application/javascript")
// .body(auth_hide_js))
} else {
None
// Err(error::ErrorNotFound("file not found"))
}
}
pub fn get_host_url(req: &web::HttpRequest) -> String {
let conn = req.connection_info();
format!("{}://{}", conn.scheme(), conn.host())
}

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@ -1,10 +1,10 @@
use std::io::ErrorKind;
use std::{cmp, vec};
use crate::config::Config;
use crate::file_kind::FileKind;
use crate::multipart;
use crate::multipart::UploadConfig;
use crate::{multipart, template};
use actix_files::NamedFile;
use actix_multipart::Multipart;
use actix_web::{error, web, Error, HttpResponse};
use async_std::{
@ -12,132 +12,21 @@ use async_std::{
fs::{self, OpenOptions},
path::PathBuf,
};
use chrono::Duration;
use rand::prelude::SliceRandom;
use sqlx::postgres::PgPool;
const INDEX_HTML: &str = include_str!("../template/index.html");
const AUTH_HIDE_JS: &str = include_str!("../template/auth-hide.js");
const UPLOAD_HTML: &str = include_str!("../template/upload.html");
const AUTH_SNIPPET_HTML: &str = include_str!("../snippet/auth.html.snippet");
const MAX_SIZE_SNIPPET_HTML: &str = include_str!("../snippet/max_size.html.snippet");
const ID_CHARS: &[char] = &[
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'j', 'k', 'm', 'n', 'p', 'q', 'r', 's', 't', 'u', 'v',
'w', 'x', 'y', 'z', '1', '2', '3', '4', '5', '6', '7', '8', '9',
];
pub async fn index(
req: web::HttpRequest,
config: web::Data<Config>,
) -> Result<HttpResponse, Error> {
let filled_index_html = fill_index_html(req, config);
Ok(HttpResponse::Ok()
.content_type("text/html")
.body(filled_index_html))
}
fn fill_index_html(req: web::HttpRequest, config: web::Data<Config>) -> String {
let upload_url = format!("{}/upload", get_host_url(&req));
let auth_snippet = config
.no_auth_limits
.as_ref()
.map_or("", |_| AUTH_SNIPPET_HTML);
let max_size_snippet = config
.max_file_size
.as_ref()
.map_or("", |_| MAX_SIZE_SNIPPET_HTML);
INDEX_HTML
.replace("{max_size_snippet}", max_size_snippet)
.replace(
"{max_size}",
&render_file_size(config.max_file_size.unwrap_or(0)),
)
.replace("{auth_snippet}", auth_snippet)
.replace(
"{auth_time}",
&config
.no_auth_limits
.as_ref()
.map(|limit| limit.max_time)
.map_or("".into(), render_duration),
)
.replace(
"{auth_large_time}",
&config
.no_auth_limits
.as_ref()
.map(|limit| limit.large_file_max_time)
.map_or("".into(), render_duration),
)
.replace(
"{auth_large_size}",
&config
.no_auth_limits
.as_ref()
.map(|limit| limit.large_file_size)
.map_or("".into(), render_file_size),
)
.replace("{upload_url}", upload_url.as_str())
}
fn render_file_size(size: u64) -> String {
let magnitude = cmp::min((size as f64).log(1024.0) as u32, 5);
let prefix = ["", "ki", "Mi", "Gi", "Ti", "Pi"][magnitude as usize];
let value = size / (1024_u64.pow(magnitude));
format!("{}{}B", value, prefix)
}
fn render_duration(duration: Duration) -> String {
let days = duration.num_days();
let hours = duration.num_hours() % 24;
let minutes = duration.num_minutes() % 60;
let seconds = duration.num_seconds() % 60;
let mut elements = vec![];
if let Some(name) = pluralize(days, "tag", "e") {
elements.push(name);
}
if let Some(name) = pluralize(hours, "stunde", "n") {
elements.push(name);
}
if let Some(name) = pluralize(minutes, "minute", "n") {
elements.push(name);
}
if let Some(name) = pluralize(seconds, "sekunde", "n") {
elements.push(name);
}
elements.join("+")
}
fn pluralize(number: i64, word: &str, suffix: &str) -> Option<String> {
match number {
0 => None,
1 => Some(format!("{} {}", number, word)),
_ => Some(format!("{} {}{}", number, word, suffix)),
}
}
pub async fn auth_hide(config: web::Data<Config>) -> Result<HttpResponse, Error> {
if let Some(no_auth_limits) = &config.no_auth_limits {
let auth_hide_js = AUTH_HIDE_JS
.replace(
"{no_auth_max_time}",
&no_auth_limits.max_time.num_seconds().to_string(),
)
.replace(
"{no_auth_large_file_max_time}",
&no_auth_limits.large_file_max_time.num_seconds().to_string(),
)
.replace(
"{no_auth_large_file_size}",
&no_auth_limits.large_file_size.to_string(),
);
Ok(HttpResponse::Ok()
.content_type("application/javascript")
.body(auth_hide_js))
} else {
Err(error::ErrorNotFound("file not found"))
}
pub async fn index(config: web::Data<Config>) -> Result<NamedFile, Error> {
NamedFile::open(config.static_dir.join("index.html")).map_err(|file_err| {
log::error!("index.html could not be read {:?}", file_err);
error::ErrorInternalServerError("this file should be here but could not be found")
})
}
pub async fn upload(
@ -250,17 +139,12 @@ fn gen_file_id() -> String {
id
}
fn get_host_url(req: &web::HttpRequest) -> String {
let conn = req.connection_info();
format!("{}://{}", conn.scheme(), conn.host())
}
fn get_file_url(req: &web::HttpRequest, id: &str, name: Option<&str>) -> String {
if let Some(name) = name {
let encoded_name = urlencoding::encode(name);
format!("{}/{}/{}", get_host_url(req), id, encoded_name)
format!("{}/{}/{}", template::get_host_url(req), id, encoded_name)
} else {
format!("{}/{}", get_host_url(req), id)
format!("{}/{}", template::get_host_url(req), id)
}
}

73
static/index.html Normal file
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@ -0,0 +1,73 @@
<!DOCTYPE html>
<html lang="de-DE">
<head>
<title>datatrash</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta name="description" content="Temporärer Dateiaustausch" />
<link href="/static/index.css" rel="stylesheet" />
</head>
<body>
<main>
<h1>datatrash</h1>
<form action="/upload" method="POST" enctype="multipart/form-data">
<label for="file-upload">datei (maximal 8MiB)
</label>
<br />
<input id="file-upload" type="file" name="file" />
<br />
<label for="text-upload">oder asciitrash</label>
<br />
<textarea id="text-upload" name="text" cols="120"></textarea>
<br />
<label for="keep_for">gültig für</label>
<select id="keep_for" name="keep_for">
<option value="1800">30 minuten</option>
<option value="3600">60 minuten</option>
<option value="43200">12 stunden</option>
<option value="86400">24 stunden</option>
<option value="604800">eine woche</option>
<option value="2678400">einen monat</option>
</select>
<br />
<input
id="delete_on_download"
type="checkbox"
name="delete_on_download"
/>
<label for="delete_on_download">nach einem download löschen</label>
<br />
<input class="main button" type="submit" value="hochladen" />
</form>
<details class="usage">
<summary>nutzung als api</summary>
<pre>
datei hochladen
curl -F 'file=@yourfile.rs' &lt;domain&gt;/upload
text hochladen
curl -F 'text=your text' &lt;domain&gt;/upload
zeitbegrenzung setzen
curl -F 'text=your text' -F 'keep_for=1800' &lt;domain&gt;/upload
nach einem download löschen
curl -F 'text=your text' -F 'delete_on_download=true' &lt;domain&gt;/upload
authentifizieren
curl -F 'text=your text' -F 'password=…' &lt;domain&gt;/upload</pre
>
</details>
</main>
<footer>
<a
class="repo"
href="https://repos.ctdo.de/neri/datatrash"
target="_blank"
rel="noopener noreferrer"
>
repo
</a>
</footer>
</body>
</html>

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@ -42,19 +42,19 @@
<summary>nutzung als api</summary>
<pre>
datei hochladen
curl -F 'file=@yourfile.rs' {upload_url}
curl -F 'file=@yourfile.rs' &lt;domain&gt;/upload
text hochladen
curl -F 'text=your text' {upload_url}
curl -F 'text=your text' &lt;domain&gt;/upload
zeitbegrenzung setzen
curl -F 'text=your text' -F 'keep_for=1800' {upload_url}
curl -F 'text=your text' -F 'keep_for=1800' &lt;domain&gt;/upload
nach einem download löschen
curl -F 'text=your text' -F 'delete_on_download=true' {upload_url}
curl -F 'text=your text' -F 'delete_on_download=true' &lt;domain&gt;/upload
authentifizieren
curl -F 'text=your text' -F 'password=…' {upload_url}</pre
curl -F 'text=your text' -F 'password=…' &lt;domain&gt;/upload</pre
>
</details>
</main>