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almost completely remove yew logic

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This commit is contained in:
Edward Shen 2021-10-24 02:25:42 -07:00
parent 89aeb6ba2a
commit 856ee63b6d
Signed by: edward
GPG key ID: 19182661E818369F
15 changed files with 627 additions and 471 deletions
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1
.gitignore vendored
View file

@ -1,3 +1,4 @@
/target
**/database
/web/dist/
**/node_modules

8
.swcrc Normal file
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@ -0,0 +1,8 @@
{
"jsc": {
"parser": {
"syntax": "typescript"
},
"target": "es2021"
}
}

9
Cargo.lock generated
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@ -435,12 +435,6 @@ dependencies = [
"generic-array",
]
[[package]]
name = "downcast-rs"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9ea835d29036a4087793836fa931b08837ad5e957da9e23886b29586fb9b6650"
[[package]]
name = "either"
version = "1.6.1"
@ -1135,7 +1129,6 @@ dependencies = [
name = "omegaupload-common"
version = "0.1.0"
dependencies = [
"anyhow",
"base64",
"bytes",
"chacha20poly1305",
@ -1172,10 +1165,8 @@ dependencies = [
name = "omegaupload-web"
version = "0.1.0"
dependencies = [
"anyhow",
"byte-unit",
"bytes",
"downcast-rs",
"getrandom",
"gloo-console",
"http",

5
Trunk.toml
View file

@ -6,3 +6,8 @@ release = true
[[proxy]]
backend = "http://localhost:8081"
rewrite = "/api/"
[[hooks]]
stage="post_build"
command="npx"
command_arguments=["swc", "$TRUNK_SOURCE_DIR/src/main.ts", "-o", "$TRUNK_STAGING_DIR/main.js"]

1
common/Cargo.toml
View file

@ -6,7 +6,6 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
anyhow = "1"
base64 = "0.13"
bytes = { version = "*", features = ["serde"] }
chacha20poly1305 = "0.9"

8
common/src/lib.rs
View file

@ -153,13 +153,13 @@ impl From<&str> for PartialParsedUrl {
for (key, value) in args {
match (key, value) {
("key", Some(value)) => {
decryption_key = base64::decode(value).map(|k| *Key::from_slice(&k)).ok();
decryption_key = dbg!(base64::decode(value).map(|k| *Key::from_slice(&k)).ok());
}
("pw", _) => {
needs_password = true;
}
("nonce", Some(value)) => {
nonce = base64::decode(value).as_deref().map(Nonce::from_slice).ok();
nonce = dbg!(base64::decode(value).as_deref().map(Nonce::from_slice).ok());
}
_ => (),
}
@ -229,12 +229,12 @@ impl Display for Expiration {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Expiration::BurnAfterReading => {
write!(f, "This paste has been burned. You now have the only copy.")
write!(f, "This item has been burned. You now have the only copy.")
}
Expiration::UnixTime(time) => write!(
f,
"{}",
time.format("This paste will expire on %A, %B %-d, %Y at %T %Z.")
time.format("This item will expire on %A, %B %-d, %Y at %T %Z.")
),
}
}

6
package.json Normal file
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@ -0,0 +1,6 @@
{
"devDependencies": {
"@swc/cli": "^0.1.51",
"@swc/core": "^1.2.102"
}
}

21
web/Cargo.toml
View file

@ -10,19 +10,32 @@ omegaupload-common = { path = "../common" }
# Enables wasm support
getrandom = { version = "*", features = ["js"] }
anyhow = "1"
bytes = "1"
byte-unit = "4"
downcast-rs = "1"
gloo-console = "0.1"
http = "0.2"
image = "0.23"
js-sys = "0.3"
# reqwest = { version = "0.11", default_features = false, features = ["tokio-rustls"] }
reqwasm = "0.2"
wasm-bindgen = "0.2"
wasm-bindgen-futures = "0.4"
web-sys = { version = "0.3", features = ["TextDecoder"] }
yew = { version = "0.18", features = ["wasm-bindgen-futures"] }
yew-router = "0.15"
yewtil = "0.4"
[dependencies.web-sys]
version = "0.3"
features = [
"TextDecoder",
"IdbFactory",
"IdbOpenDbRequest",
"IdbRequest",
"IdbDatabase",
"IdbObjectStore",
"IdbTransaction",
"IdbTransactionMode",
"IdbIndex",
"IdbIndexParameters",
"Event",
"EventTarget"
]

4
web/index.html
View file

@ -5,15 +5,13 @@
<meta charset="utf-8" />
<title>Omegaupload</title>
<link data-trunk rel="rust" data-wasm-opt="0" data-keep-debug data-no-mangle />
<link data-trunk rel="copy-file" href="vendor/MPLUS_FONTS/fonts/ttf/MplusCodeLatin[wdth,wght].ttf" dest="/" />
<link data-trunk rel="copy-file" href="vendor/highlight.min.js" dest="/" />
<link data-trunk rel="copy-file" href="vendor/highlightjs-line-numbers.js/dist/highlightjs-line-numbers.min.js"
dest="/" />
<link data-trunk rel="copy-file" href="src/reload_on_hash_change.js" dest="/" />
<link data-trunk rel="scss" href="src/main.scss" />
<script src="reload_on_hash_change.js" async></script>
<script src="main.js" async></script>
<script src="highlight.min.js" defer></script>
<script src="highlightjs-line-numbers.min.js" defer></script>
</head>

114
web/src/decrypt.rs
View file

@ -1,99 +1,16 @@
use std::{collections::HashSet, sync::Arc};
use std::fmt::{Display, Formatter};
use std::sync::Arc;
use gloo_console::log;
use image::GenericImageView;
use js_sys::{Array, Uint8Array};
use omegaupload_common::{
crypto::{open_in_place, Key, Nonce},
Expiration,
};
use omegaupload_common::crypto::{open_in_place, Key, Nonce};
use wasm_bindgen::JsCast;
use web_sys::Blob;
use yew::worker::{Agent, AgentLink, Context, HandlerId};
use yew::{html::Scope, worker::Public};
use crate::{DecryptedData, Paste, PasteCompleteConstructionError};
use crate::DecryptedData;
#[derive(Clone)]
pub struct DecryptionAgent {
link: AgentLink<Self>,
}
impl Agent for DecryptionAgent {
type Reach = Public<Self>;
type Message = ();
type Input = DecryptionAgentMessage;
type Output = Result<(DecryptedData, PasteContext), PasteCompleteConstructionError>;
fn create(link: AgentLink<Self>) -> Self {
Self { link }
}
fn update(&mut self, _: Self::Message) {}
fn handle_input(
&mut self,
DecryptionAgentMessage { context, params }: Self::Input,
id: HandlerId,
) {
let DecryptionParams {
data,
key,
nonce,
maybe_password,
} = params;
self.link.respond(
id,
decrypt(data, key, nonce, maybe_password).map(|res| (res, context)),
)
}
}
pub struct DecryptionAgentMessage {
context: PasteContext,
params: DecryptionParams,
}
impl DecryptionAgentMessage {
pub fn new(context: PasteContext, params: DecryptionParams) -> Self {
Self { context, params }
}
}
pub struct PasteContext {
pub link: Scope<Paste>,
pub expires: Option<Expiration>,
}
impl PasteContext {
pub fn new(link: Scope<Paste>, expires: Option<Expiration>) -> Self {
Self { link, expires }
}
}
pub struct DecryptionParams {
data: Vec<u8>,
key: Key,
nonce: Nonce,
maybe_password: Option<Key>,
}
impl DecryptionParams {
pub fn new(data: Vec<u8>, key: Key, nonce: Nonce, maybe_password: Option<Key>) -> Self {
Self {
data,
key,
nonce,
maybe_password,
}
}
}
fn decrypt(
pub fn decrypt(
mut container: Vec<u8>,
key: Key,
nonce: Nonce,
@ -136,3 +53,24 @@ fn decrypt(
}
}
}
#[derive(Debug)]
pub enum PasteCompleteConstructionError {
StageOneFailure,
StageTwoFailure,
}
impl std::error::Error for PasteCompleteConstructionError {}
impl Display for PasteCompleteConstructionError {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match self {
PasteCompleteConstructionError::StageOneFailure => {
write!(f, "Failed to decrypt stage one.")
}
PasteCompleteConstructionError::StageTwoFailure => {
write!(f, "Failed to decrypt stage two.")
}
}
}
}

524
web/src/main.rs
View file

@ -1,37 +1,28 @@
#![warn(clippy::nursery, clippy::pedantic)]
use std::fmt::{Debug, Display, Formatter};
use std::fmt::Debug;
use std::str::FromStr;
use std::sync::Arc;
use anyhow::{anyhow, bail, Context};
use byte_unit::Byte;
use bytes::Bytes;
use decrypt::DecryptionAgent;
use downcast_rs::{impl_downcast, Downcast};
use gloo_console::log;
use http::header::EXPIRES;
use http::uri::PathAndQuery;
use http::{StatusCode, Uri};
use image::GenericImageView;
use js_sys::{Array, ArrayBuffer, Uint8Array};
use omegaupload_common::crypto::{open, open_in_place, Key, Nonce};
use js_sys::{Array, JsString, Object, Uint8Array};
use omegaupload_common::{Expiration, PartialParsedUrl};
use reqwasm::http::Request;
use wasm_bindgen::JsCast;
use wasm_bindgen::prelude::{wasm_bindgen, Closure};
use wasm_bindgen::{JsCast, JsValue};
use wasm_bindgen_futures::JsFuture;
use web_sys::TextDecoder;
use web_sys::{Blob, Url};
use yew::agent::Dispatcher;
use web_sys::{Blob, Event, IdbDatabase, IdbObjectStore, IdbOpenDbRequest, IdbTransactionMode};
use yew::utils::window;
use yew::worker::Agent;
use yew::{html, Bridge, Bridged, Component, ComponentLink, Html, ShouldRender};
use yew::{Dispatched, Properties};
use yew::{html, Component, ComponentLink, Html, ShouldRender};
use yew_router::router::Router;
use yew_router::Switch;
use yewtil::future::LinkFuture;
use crate::decrypt::{DecryptionAgentMessage, DecryptionParams, PasteContext};
use crate::decrypt::decrypt;
mod decrypt;
@ -39,6 +30,12 @@ fn main() {
yew::start_app::<App>();
}
#[wasm_bindgen]
extern "C" {
fn loadFromDb();
fn createNotFoundUi();
}
struct App;
impl Component for App {
type Message = ();
@ -80,21 +77,20 @@ fn render_route(route: Route) -> Html {
</main>
},
Route::Path(_) => html! {
<main>
<>
<Paste/>
</main>
<section class="hljs fullscreen centered">
<p>{"Loading"}</p>
</section>
</>
},
}
}
pub struct Paste {
state: Box<dyn PasteState>,
_listener: Box<dyn Bridge<DecryptionAgent>>,
}
pub struct Paste;
impl Component for Paste {
type Message = Box<dyn PasteState>;
type Message = ();
type Properties = ();
fn create(_: Self::Properties, link: ComponentLink<Self>) -> Self {
@ -107,20 +103,6 @@ impl Component for Paste {
Uri::from_parts(uri_parts).unwrap()
};
let handle_decryption_result = |res: <DecryptionAgent as Agent>::Output| {
log!("Got decryption result back!");
match res {
Ok((decrypted, context)) => {
Box::new(PasteComplete::new(context.link, decrypted, context.expires))
as Box<dyn PasteState>
}
Err(e) => Box::new(PasteError(anyhow!("wtf"))) as Box<dyn PasteState>,
}
};
let listener = DecryptionAgent::bridge(link.callback(handle_decryption_result));
let link_clone = link.clone();
link.send_future(async move {
match Request::get(&request_uri.to_string()).send().await {
Ok(resp) if resp.status() == StatusCode::OK => {
@ -130,7 +112,10 @@ impl Component for Paste {
.ok()
.flatten()
.as_deref()
.and_then(|v| Expiration::try_from(v).ok());
.and_then(|v| Expiration::try_from(v).ok())
.as_ref()
.map(Expiration::to_string)
.unwrap_or_else(|| "This item does not expire.".to_string());
let data = {
Uint8Array::new(
@ -148,109 +133,164 @@ impl Component for Paste {
let key = info.decryption_key.unwrap();
let nonce = info.nonce.unwrap();
let mut decryption_agent = DecryptionAgent::dispatcher();
let result = decrypt(data, key, nonce, None);
let params = DecryptionParams::new(data, key, nonce, None);
let ctx = PasteContext::new(link_clone, expires);
decryption_agent.send(DecryptionAgentMessage::new(ctx, params));
Box::new(PasteDecrypting(decryption_agent)) as Box<dyn PasteState>
let decrypted = match result {
Ok(decrypted) => decrypted,
Err(err) => {
// log!("decryption error: {}", err);
// return Box::new(PasteError(err));
unimplemented!()
}
};
let db_open_req = window()
.indexed_db()
.unwrap()
.unwrap()
.open("omegaupload")
.unwrap();
// On success callback
let on_success = Closure::once(Box::new(move |event: Event| {
let target: IdbOpenDbRequest = event.target().unwrap().dyn_into().unwrap();
let db: IdbDatabase = target.result().unwrap().dyn_into().unwrap();
let transaction: IdbObjectStore = db
.transaction_with_str_and_mode(
"decrypted data",
IdbTransactionMode::Readwrite,
)
.unwrap()
.object_store("decrypted data")
.unwrap();
let decrypted_object = Array::new();
match &decrypted {
DecryptedData::String(s) => {
let entry = Array::new();
entry.push(&JsString::from("data"));
entry.push(&JsValue::from_str(&s));
decrypted_object.push(&entry);
let entry = Array::new();
entry.push(&JsString::from("type"));
entry.push(&JsString::from("string"));
decrypted_object.push(&entry);
let entry = Array::new();
entry.push(&JsString::from("expiration"));
entry.push(&JsString::from(expires.to_string()));
decrypted_object.push(&entry);
}
DecryptedData::Blob(blob) => {
let entry = Array::new();
entry.push(&JsString::from("data"));
entry.push(blob);
decrypted_object.push(&entry);
let entry = Array::new();
entry.push(&JsString::from("type"));
entry.push(&JsString::from("blob"));
decrypted_object.push(&entry);
let entry = Array::new();
entry.push(&JsString::from("expiration"));
entry.push(&JsString::from(expires.to_string()));
decrypted_object.push(&entry);
}
DecryptedData::Image(blob, (width, height), size) => {
let entry = Array::new();
entry.push(&JsString::from("data"));
entry.push(blob);
decrypted_object.push(&entry);
let entry = Array::new();
entry.push(&JsString::from("type"));
entry.push(&JsString::from("image"));
decrypted_object.push(&entry);
let entry = Array::new();
entry.push(&JsString::from("width"));
entry.push(&JsValue::from(*width));
decrypted_object.push(&entry);
let entry = Array::new();
entry.push(&JsString::from("height"));
entry.push(&JsValue::from(*height));
decrypted_object.push(&entry);
let entry = Array::new();
entry.push(&JsString::from("button"));
entry.push(&JsString::from(format!(
"Download {} \u{2014} {} by {}",
Byte::from_bytes(*size as u128).get_appropriate_unit(true),
width,
height,
)));
decrypted_object.push(&entry);
let entry = Array::new();
entry.push(&JsString::from("expiration"));
entry.push(&JsString::from(expires.to_string()));
decrypted_object.push(&entry);
}
}
let db_entry = Object::from_entries(&decrypted_object).unwrap();
transaction
.put_with_key(
&db_entry,
&JsString::from(window().location().pathname().unwrap()),
)
.unwrap()
.set_onsuccess(Some(
Closure::once(Box::new(|| {
log!("success");
loadFromDb();
})
as Box<dyn FnOnce()>)
.into_js_value()
.dyn_ref()
.unwrap(),
));
})
as Box<dyn FnOnce(Event)>);
db_open_req.set_onsuccess(Some(on_success.into_js_value().dyn_ref().unwrap()));
// On upgrade callback
let on_upgrade = Closure::wrap(Box::new(move |event: Event| {
let target: IdbOpenDbRequest = event.target().unwrap().dyn_into().unwrap();
let db: IdbDatabase = target.result().unwrap().dyn_into().unwrap();
let _obj_store = db.create_object_store("decrypted data").unwrap();
}) as Box<dyn FnMut(Event)>);
db_open_req
.set_onupgradeneeded(Some(on_upgrade.into_js_value().dyn_ref().unwrap()));
}
Ok(resp) if resp.status() == StatusCode::NOT_FOUND => {
Box::new(PasteNotFound) as Box<dyn PasteState>
}
Ok(resp) if resp.status() == StatusCode::BAD_REQUEST => {
Box::new(PasteBadRequest) as Box<dyn PasteState>
}
Ok(err) => {
Box::new(PasteError(anyhow!("Got {}.", err.status()))) as Box<dyn PasteState>
}
Err(err) => Box::new(PasteError(anyhow!("Got {}.", err))) as Box<dyn PasteState>,
createNotFoundUi();
}
Ok(resp) if resp.status() == StatusCode::BAD_REQUEST => {}
Ok(err) => {}
Err(err) => {}
};
});
Self {
state: Box::new(PasteLoading),
_listener: listener,
}
Self
}
fn update(&mut self, msg: Self::Message) -> ShouldRender {
self.state = msg;
true
fn update(&mut self, _: Self::Message) -> ShouldRender {
false
}
fn change(&mut self, _props: Self::Properties) -> ShouldRender {
fn change(&mut self, _: Self::Properties) -> ShouldRender {
false
}
fn view(&self) -> Html {
if self.state.is::<PasteLoading>() {
return html! {
<p>{ "loading" }</p>
};
html! {}
}
if self.state.is::<PasteDecrypting>() {
return html! {
"decrypting"
};
}
if self.state.is::<PasteNotFound>() {
return html! {
<section class={"hljs centered"}>
<p>{ "Either the paste has been burned or one never existed." }</p>
</section>
};
}
if self.state.is::<PasteBadRequest>() {
return html! {
<section class={"hljs centered"}>
<p>{ "Bad Request. Is this a valid paste URL?" }</p>
</section>
};
}
if let Some(error) = self.state.downcast_ref::<PasteError>() {
return html! {
<section class={"hljs centered"}><p>{ error.0.to_string() }</p></section>
};
}
if let Some(partial_paste) = self.state.downcast_ref::<PastePartial>() {
return partial_paste.view();
}
if let Some(paste) = self.state.downcast_ref::<PasteComplete>() {
return paste.view();
}
html! {
"An internal error occurred: client is in unknown state!"
}
}
}
struct PasteError(anyhow::Error);
#[derive(Debug)]
struct PastePartial {
parent: ComponentLink<Paste>,
dispatcher: Dispatcher<DecryptionAgent>,
data: Bytes,
expires: Option<Expiration>,
key: Option<Key>,
nonce: Option<Nonce>,
password: Option<Key>,
needs_pw: bool,
}
#[derive(Properties, Clone)]
struct PasteComplete {
parent: ComponentLink<Paste>,
decrypted: DecryptedData,
expires: Option<Expiration>,
}
#[derive(Clone)]
@ -259,233 +299,3 @@ pub enum DecryptedData {
Blob(Arc<Blob>),
Image(Arc<Blob>, (u32, u32), usize),
}
pub trait PasteState: Downcast {}
impl_downcast!(PasteState);
impl PasteState for PasteError {}
impl PasteState for PastePartial {}
impl PasteState for PasteComplete {}
macro_rules! impl_paste_type_state {
(
$($state:ident),* $(,)?
) => {
$(
struct $state;
impl PasteState for $state {}
)*
};
}
impl_paste_type_state!(PasteLoading, PasteNotFound, PasteBadRequest);
struct PasteDecrypting(Dispatcher<DecryptionAgent>);
impl PasteState for PasteDecrypting {}
impl PastePartial {
fn new(
data: Bytes,
expires: Option<Expiration>,
partial_parsed_url: &PartialParsedUrl,
parent: ComponentLink<Paste>,
) -> Self {
Self {
parent,
dispatcher: DecryptionAgent::dispatcher(),
data,
expires,
key: partial_parsed_url.decryption_key,
nonce: partial_parsed_url.nonce,
password: None,
needs_pw: partial_parsed_url.needs_password,
}
}
}
enum PartialPasteMessage {
DecryptionKey(Key),
Nonce(Nonce),
Password(Key),
}
impl Component for PastePartial {
type Message = PartialPasteMessage;
type Properties = ();
fn create(_: Self::Properties, _: ComponentLink<Self>) -> Self {
unimplemented!()
}
fn update(&mut self, msg: Self::Message) -> ShouldRender {
match msg {
PartialPasteMessage::DecryptionKey(key) => self.key = Some(key),
PartialPasteMessage::Nonce(nonce) => self.nonce = Some(nonce),
PartialPasteMessage::Password(password) => self.password = Some(password),
}
match (self.key, self.nonce, self.password) {
(Some(key), Some(nonce), maybe_password)
if (self.needs_pw && maybe_password.is_some())
|| (!self.needs_pw && maybe_password.is_none()) =>
{
let parent = self.parent.clone();
let mut data = self.data.to_vec();
let expires = self.expires;
// self.dispatcher.send((data, key, nonce, maybe_password));
todo!()
}
_ => (),
}
// parent should re-render so this element should be dropped; no point
// in saying this needs to be re-rendered.
false
}
fn change(&mut self, _props: Self::Properties) -> ShouldRender {
false
}
fn view(&self) -> Html {
html! {
"got partial data"
}
}
}
#[derive(Debug)]
pub enum PasteCompleteConstructionError {
StageOneFailure,
StageTwoFailure,
}
impl std::error::Error for PasteCompleteConstructionError {}
impl Display for PasteCompleteConstructionError {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match self {
PasteCompleteConstructionError::StageOneFailure => {
write!(f, "Failed to decrypt stage one.")
}
PasteCompleteConstructionError::StageTwoFailure => {
write!(f, "Failed to decrypt stage two.")
}
}
}
}
impl PasteComplete {
fn new(
parent: ComponentLink<Paste>,
decrypted: DecryptedData,
expires: Option<Expiration>,
) -> Self {
Self {
parent,
decrypted,
expires,
}
}
fn view(&self) -> Html {
match &self.decrypted {
DecryptedData::String(decrypted) => html! {
html! {
<>
<pre class="paste">
<header class="unselectable">
{
self.expires.as_ref().map(ToString::to_string).unwrap_or_else(||
"This paste will not expire.".to_string()
)
}
</header>
<hr />
<code>{decrypted}</code>
</pre>
<script>
{"
hljs.highlightAll();
hljs.initLineNumbersOnLoad();
"}
</script>
</>
}
},
DecryptedData::Blob(decrypted) => {
let object_url = Url::create_object_url_with_blob(decrypted);
if let Ok(object_url) = object_url {
let file_name = window().location().pathname().unwrap_or("file".to_string());
let mut cloned = self.clone();
let decrypted_ref = Arc::clone(&decrypted);
let display_anyways_callback =
self.parent.callback_future_once(|_| async move {
let array_buffer: ArrayBuffer =
JsFuture::from(decrypted_ref.array_buffer())
.await
.unwrap()
.dyn_into()
.unwrap();
let decoder = TextDecoder::new().unwrap();
cloned.decrypted = decoder
.decode_with_buffer_source(&array_buffer)
.map(Arc::new)
.map(DecryptedData::String)
.unwrap();
Box::new(cloned) as Box<dyn PasteState>
});
html! {
<section class="hljs fullscreen centered">
<div class="centered">
<p>{ "Found a binary file." }</p>
<a href=object_url download=file_name class="hljs-meta">{"Download"}</a>
</div>
<p onclick=display_anyways_callback class="display-anyways hljs-meta">{ "Display anyways?" }</p>
</section>
}
} else {
// This branch really shouldn't happen, but might as well
// try and give a user-friendly error message.
html! {
<section class="hljs centered">
<p>{ "Failed to create an object URL for the decrypted file. Try reloading the page?" }</p>
</section>
}
}
}
DecryptedData::Image(decrypted, (width, height), size) => {
let object_url = Url::create_object_url_with_blob(decrypted);
if let Ok(object_url) = object_url {
let file_name = window().location().pathname().unwrap_or("file".to_string());
html! {
<section class="hljs fullscreen centered">
<img src=object_url.clone() />
<a href=object_url download=file_name class="hljs-meta">
{
format!(
"Download {} \u{2014} {} by {}",
Byte::from_bytes(*size as u128).get_appropriate_unit(true),
width, height,
)
}
</a>
</section>
}
} else {
// This branch really shouldn't happen, but might as well
// try and give a user-friendly error message.
html! {
<section class="hljs fullscreen centered">
<p>{ "Failed to create an object URL for the decrypted file. Try reloading the page?" }</p>
</section>
}
}
}
}
}
}

3
web/src/main.scss
View file

@ -59,8 +59,9 @@ main {
}
.display-anyways {
margin-bottom: 4em;
margin-top: 4em;
text-decoration: underline;
cursor: pointer;
}
img {

154
web/src/main.ts Normal file
View file

@ -0,0 +1,154 @@
// Exported to main.rs
function loadFromDb() {
const dbReq = window.indexedDB.open("omegaupload", 1);
dbReq.onsuccess = (evt) => {
const db = (evt.target as IDBRequest).result;
const obj_store = db
.transaction("decrypted data", "readonly")
.objectStore("decrypted data")
.get(window.location.pathname);
obj_store.onsuccess = (evt) => {
const data = (evt.target as IDBRequest).result;
switch (data.type) {
case "string":
createStringPasteUi(data);
break;
case "blob":
createBlobPasteUi(data);
break;
case "image":
createImagePasteUi(data);
break;
default:
createBrokenStateUi();
break;
}
};
obj_store.onerror = (evt) => {
console.log("err");
console.log(evt);
};
};
}
function createStringPasteUi(data) {
let bodyEle = document.getElementsByTagName("body")[0];
bodyEle.textContent = '';
let mainEle = document.createElement("main");
let preEle = document.createElement("pre");
preEle.classList.add("paste");
let headerEle = document.createElement("header");
headerEle.classList.add("unselectable");
headerEle.textContent = data.expiration;
preEle.appendChild(headerEle);
preEle.appendChild(document.createElement("hr"));
let codeEle = document.createElement("code");
codeEle.textContent = data.data;
preEle.appendChild(codeEle);
mainEle.appendChild(preEle);
bodyEle.appendChild(mainEle);
hljs.highlightAll();
hljs.initLineNumbersOnLoad();
}
function createImagePasteUi(data) {
let bodyEle = document.getElementsByTagName("body")[0];
bodyEle.textContent = '';
let mainEle = document.createElement("main");
mainEle.classList.add("hljs");
mainEle.classList.add("centered");
mainEle.classList.add("fullscreen");
const downloadLink = URL.createObjectURL(data.data);
let expirationEle = document.createElement("p");
expirationEle.textContent = data.expiration;
mainEle.appendChild(expirationEle);
let imgEle = document.createElement("img");
imgEle.src = downloadLink;
mainEle.appendChild(imgEle);
let downloadEle = document.createElement("a");
downloadEle.href = downloadLink;
downloadEle.download = window.location.pathname;
downloadEle.classList.add("hljs-meta");
downloadEle.textContent = data.button;
mainEle.appendChild(downloadEle);
bodyEle.appendChild(mainEle);
}
function createBlobPasteUi(data) {
let bodyEle = document.getElementsByTagName("body")[0];
bodyEle.textContent = '';
let mainEle = document.createElement("main");
mainEle.classList.add("hljs");
mainEle.classList.add("centered");
mainEle.classList.add("fullscreen");
let divEle = document.createElement("div");
divEle.classList.add("centered");
let expirationEle = document.createElement("p");
expirationEle.textContent = data.expiration;
divEle.appendChild(expirationEle);
let downloadEle = document.createElement("a");
downloadEle.href = URL.createObjectURL(data.data);
downloadEle.download = window.location.pathname;
downloadEle.classList.add("hljs-meta");
downloadEle.textContent = "Download binary file.";
divEle.appendChild(downloadEle);
mainEle.appendChild(divEle);
let displayAnywayEle = document.createElement("p");
displayAnywayEle.classList.add("display-anyways");
displayAnywayEle.classList.add("hljs-comment");
displayAnywayEle.textContent = "Display anyways?";
displayAnywayEle.onclick = () => {
data.data.text().then(text => {
data.data = text;
createStringPasteUi(data);
})
};
mainEle.appendChild(displayAnywayEle);
bodyEle.appendChild(mainEle);
}
// Exported to main.rs
function createNotFoundUi() {
let body = document.getElementsByTagName("body")[0];
body.textContent = '';
body.appendChild(createGenericError("Either the paste has been burned or one never existed."));
}
function createBrokenStateUi() {
let body = document.getElementsByTagName("body")[0];
body.textContent = '';
body.appendChild(createGenericError("Something went wrong. Try clearing local data."));
}
function createGenericError(message) {
let mainEle = document.createElement("main");
mainEle.classList.add("hljs");
mainEle.classList.add("centered");
mainEle.classList.add("fullscreen");
mainEle.textContent = message;
return mainEle;
}
window.addEventListener("hashchange", () => location.reload());

1
web/src/reload_on_hash_change.js
View file

@ -1 +0,0 @@
window.addEventListener("hashchange", () => location.reload());

233
yarn.lock Normal file
View file

@ -0,0 +1,233 @@
# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
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fast-glob "^3.2.5"
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source-map "^0.7.3"
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resolved "https://registry.yarnpkg.com/@swc/core-win32-arm64-msvc/-/core-win32-arm64-msvc-1.2.102.tgz#e7c7958f0c2adb1e83a375e0d8d6af673e53150d"
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optionalDependencies:
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picomatch "^2.2.3"
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queue-microtask "^1.2.2"
slash@3.0.0:
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source-map@^0.7.3:
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to-regex-range@^5.0.1:
version "5.0.1"
resolved "https://registry.yarnpkg.com/to-regex-range/-/to-regex-range-5.0.1.tgz#1648c44aae7c8d988a326018ed72f5b4dd0392e4"
integrity sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==
dependencies:
is-number "^7.0.0"