add custom view for link-only text

This commit is contained in:
neri 2021-09-09 22:18:42 +02:00
parent b3c556e86e
commit 8367de1070
7 changed files with 230 additions and 213 deletions

285
Cargo.lock generated
View File

@ -327,12 +327,6 @@ dependencies = [
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name = "sqlx-core"
version = "0.5.6"
version = "0.5.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6da11206ae9ba3ececf83d44aef533c0d8176ae430cfaa14b408ce8b6bc4ab4b"
checksum = "ec28b91a01e1fe286d6ba66f68289a2286df023fc97444e1fd86c2fd6d5dc026"
dependencies = [
"ahash",
"atoi",
"base64",
"bitflags",
"byteorder",
"bytes 1.0.1",
"bytes 1.1.0",
"chrono",
"crossbeam-channel",
"crossbeam-queue",
@ -2208,9 +2176,9 @@ dependencies = [
[[package]]
name = "sqlx-macros"
version = "0.5.6"
version = "0.5.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "419f9005ad3b065ab4e774361b0d56a24e8e3dc9b2c9ddeaf018b5fdc1166ec2"
checksum = "4dc33c35d54774eed73d54568d47a6ac099aed8af5e1556a017c131be88217d5"
dependencies = [
"dotenv",
"either",
@ -2227,9 +2195,9 @@ dependencies = [
[[package]]
name = "sqlx-rt"
version = "0.5.6"
version = "0.5.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "52d39baa13314f936c5991429b0b656980f52d23dfb15078bbea2c51f5086eeb"
checksum = "14302b678d9c76b28f2e60115211e25e0aabc938269991745a169753dc00e35c"
dependencies = [
"async-rustls",
"async-std",
@ -2244,12 +2212,6 @@ dependencies = [
"version_check 0.9.3",
]
[[package]]
name = "static_assertions"
version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
[[package]]
name = "stdweb"
version = "0.4.20"
@ -2317,21 +2279,15 @@ checksum = "6bdef32e8150c2a081110b42772ffe7d7c9032b606bc226c8260fd97e0976601"
[[package]]
name = "syn"
version = "1.0.74"
version = "1.0.76"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1873d832550d4588c3dbc20f01361ab00bfe741048f71e3fecf145a7cc18b29c"
checksum = "c6f107db402c2c2055242dbf4d2af0e69197202e9faacbef9571bbe47f5a1b84"
dependencies = [
"proc-macro2",
"quote",
"unicode-xid",
]
[[package]]
name = "tap"
version = "1.0.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "55937e1799185b12863d447f42597ed69d9928686b8d88a1df17376a097d8369"
[[package]]
name = "termcolor"
version = "1.1.2"
@ -2343,18 +2299,18 @@ dependencies = [
[[package]]
name = "thiserror"
version = "1.0.26"
version = "1.0.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "93119e4feac1cbe6c798c34d3a53ea0026b0b1de6a120deef895137c0529bfe2"
checksum = "602eca064b2d83369e2b2f34b09c70b605402801927c65c11071ac911d299b88"
dependencies = [
"thiserror-impl",
]
[[package]]
name = "thiserror-impl"
version = "1.0.26"
version = "1.0.29"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "060d69a0afe7796bf42e9e2ff91f5ee691fb15c53d38b4b62a9a53eb23164745"
checksum = "bad553cc2c78e8de258400763a647e80e6d1b31ee237275d756f6836d204494c"
dependencies = [
"proc-macro2",
"quote",
@ -2507,13 +2463,14 @@ checksum = "e73fc24a5427b3b15e2b0bcad8ef61b5affb1da8ac89c8bf3f196c8692d57f02"
[[package]]
name = "tree_magic_mini"
version = "3.0.0"
version = "3.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0687683589ce7d3912e6bf52c1620d970fbed86c27e12118ca779a3780bbf888"
checksum = "7a7581560dc616314f7d73e81419c783d93a92e7fc7331b3041ff57bab240ea6"
dependencies = [
"bytecount",
"fnv",
"lazy_static",
"nom 6.1.2",
"nom 7.0.0",
"once_cell",
"petgraph",
"tree_magic_db",
@ -2570,9 +2527,9 @@ dependencies = [
[[package]]
name = "typenum"
version = "1.13.0"
version = "1.14.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "879f6906492a7cd215bfa4cf595b600146ccfac0c79bcbd1f3000162af5e8b06"
checksum = "b63708a265f51345575b27fe43f9500ad611579e764c79edbc2037b1121959ec"
[[package]]
name = "ucd-trie"
@ -2726,9 +2683,9 @@ checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
[[package]]
name = "wasm-bindgen"
version = "0.2.75"
version = "0.2.77"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "b608ecc8f4198fe8680e2ed18eccab5f0cd4caaf3d83516fa5fb2e927fda2586"
checksum = "5e68338db6becec24d3c7977b5bf8a48be992c934b5d07177e3931f5dc9b076c"
dependencies = [
"cfg-if 1.0.0",
"wasm-bindgen-macro",
@ -2736,9 +2693,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-backend"
version = "0.2.75"
version = "0.2.77"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "580aa3a91a63d23aac5b6b267e2d13cb4f363e31dce6c352fca4752ae12e479f"
checksum = "f34c405b4f0658583dba0c1c7c9b694f3cac32655db463b56c254a1c75269523"
dependencies = [
"bumpalo",
"lazy_static",
@ -2751,9 +2708,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-futures"
version = "0.4.25"
version = "0.4.27"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "16646b21c3add8e13fdb8f20172f8a28c3dbf62f45406bcff0233188226cfe0c"
checksum = "a87d738d4abc4cf22f6eb142f5b9a81301331ee3c767f2fef2fda4e325492060"
dependencies = [
"cfg-if 1.0.0",
"js-sys",
@ -2763,9 +2720,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-macro"
version = "0.2.75"
version = "0.2.77"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "171ebf0ed9e1458810dfcb31f2e766ad6b3a89dbda42d8901f2b268277e5f09c"
checksum = "b9d5a6580be83b19dc570a8f9c324251687ab2184e57086f71625feb57ec77c8"
dependencies = [
"quote",
"wasm-bindgen-macro-support",
@ -2773,9 +2730,9 @@ dependencies = [
[[package]]
name = "wasm-bindgen-macro-support"
version = "0.2.75"
version = "0.2.77"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6c2657dd393f03aa2a659c25c6ae18a13a4048cebd220e147933ea837efc589f"
checksum = "e3775a030dc6f5a0afd8a84981a21cc92a781eb429acef9ecce476d0c9113e92"
dependencies = [
"proc-macro2",
"quote",
@ -2786,15 +2743,15 @@ dependencies = [
[[package]]
name = "wasm-bindgen-shared"
version = "0.2.75"
version = "0.2.77"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2e0c4a743a309662d45f4ede961d7afa4ba4131a59a639f29b0069c3798bbcc2"
checksum = "c279e376c7a8e8752a8f1eaa35b7b0bee6bb9fb0cdacfa97cc3f1f289c87e2b4"
[[package]]
name = "web-sys"
version = "0.3.52"
version = "0.3.54"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "01c70a82d842c9979078c772d4a1344685045f1a5628f677c2b2eab4dd7d2696"
checksum = "0a84d70d1ec7d2da2d26a5bd78f4bca1b8c3254805363ce743b7a05bc30d195a"
dependencies = [
"js-sys",
"wasm-bindgen",
@ -2905,9 +2862,3 @@ dependencies = [
"winapi 0.2.8",
"winapi-build",
]
[[package]]
name = "wyz"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "85e60b0d1b5f99db2556934e21937020776a5d31520bf169e851ac44e6420214"

View File

@ -21,3 +21,4 @@ htmlescape = "0.3.1"
urlencoding = "2.1.0"
tree_magic_mini = { version = "3.0.0", features = ["with-gpl-data"] }
mime = "0.3.16"
url = "2.2.2"

View File

@ -1,3 +1,5 @@
use std::str::FromStr;
use actix_files::NamedFile;
use actix_web::{
error,
@ -11,11 +13,13 @@ use sqlx::{
postgres::{PgPool, PgRow},
Row,
};
use url::Url;
use crate::deleter;
use crate::{config::Config, file_kind::FileKind};
const VIEW_HTML: &str = include_str!("../template/view.html");
const TEXT_VIEW_HTML: &str = include_str!("../template/text-view.html");
const URL_VIEW_HTML: &str = include_str!("../template/url-view.html");
pub async fn download(
req: HttpRequest,
@ -23,6 +27,33 @@ pub async fn download(
config: web::Data<Config>,
) -> Result<HttpResponse, Error> {
let id = req.match_info().query("id");
let (file_id, file_name, file_kind, delete_on_download) = load_file_info(id, &db).await?;
let mut path = config.files_dir.clone();
path.push(&file_id);
let download = delete_on_download || req.query_string().contains("dl");
let content_type = get_content_type(&path);
let is_text = file_kind == FileKind::Text.to_string() || content_type.type_() == mime::TEXT;
let response = if is_text && !download {
build_text_response(&path).await
} else {
build_file_response(download, &file_name, path, content_type, req)
};
if delete_on_download {
deleter::delete_by_id(&db, &file_id, &config.files_dir)
.await
.map_err(|db_err| {
log::error!("could not delete file {:?}", db_err);
error::ErrorInternalServerError("could not delete file")
})?;
}
response
}
async fn load_file_info(
id: &str,
db: &web::Data<sqlx::Pool<sqlx::Postgres>>,
) -> Result<(String, String, String, bool), Error> {
let mut rows = sqlx::query(
"SELECT file_id, file_name, kind, delete_on_download from files WHERE file_id = $1",
)
@ -36,27 +67,46 @@ pub async fn download(
error::ErrorInternalServerError("could not run select statement")
})?
.ok_or_else(|| error::ErrorNotFound("file does not exist or has expired"))?;
let file_id: String = row.get("file_id");
let file_name: String = row.get("file_name");
let file_kind: String = row.get("kind");
let delete_on_download: bool = row.get("delete_on_download");
let mut path = config.files_dir.clone();
path.push(&file_id);
Ok((file_id, file_name, file_kind, delete_on_download))
}
let download = delete_on_download || req.query_string().contains("dl");
let content_type = get_content_type(&path);
let is_text = file_kind == FileKind::Text.to_string() || content_type.type_() == mime::TEXT;
let response = if is_text && !download {
fn get_content_type(path: &Path) -> Mime {
let std_path = std::path::Path::new(path.as_os_str());
tree_magic_mini::from_filepath(std_path)
.unwrap_or("application/octet-stream")
.parse::<Mime>()
.expect("tree_magic_mini should not produce invalid mime")
}
async fn build_text_response(path: &Path) -> Result<HttpResponse, Error> {
let content = fs::read_to_string(path).await.map_err(|file_err| {
log::error!("file could not be read {:?}", file_err);
error::ErrorInternalServerError("this file should be here but could not be found")
})?;
let encoded = htmlescape::encode_minimal(&content);
let view_html = VIEW_HTML.replace("{text}", &encoded);
let response = HttpResponse::Ok().content_type("text/html").body(view_html);
Ok(response)
let html = if Url::from_str(&content).is_ok() {
let attribute_encoded = htmlescape::encode_attribute(&content);
URL_VIEW_HTML
.replace("{link_content}", &encoded)
.replace("{link_attribute}", &attribute_encoded)
} else {
TEXT_VIEW_HTML.replace("{text}", &encoded)
};
let response = HttpResponse::Ok().content_type("text/html").body(html);
Ok(response)
}
fn build_file_response(
download: bool,
file_name: &str,
path: async_std::path::PathBuf,
content_type: Mime,
req: HttpRequest,
) -> Result<HttpResponse, Error> {
let content_disposition = ContentDisposition {
disposition: if download {
DispositionType::Attachment
@ -73,24 +123,6 @@ pub async fn download(
.set_content_type(content_type)
.set_content_disposition(content_disposition);
file.into_response(&req)
};
if delete_on_download {
deleter::delete_by_id(&db, &file_id, &config.files_dir)
.await
.map_err(|db_err| {
log::error!("could not delete file {:?}", db_err);
error::ErrorInternalServerError("could not delete file")
})?;
}
response
}
fn get_content_type(path: &Path) -> Mime {
let std_path = std::path::Path::new(path.as_os_str());
tree_magic_mini::from_filepath(std_path)
.unwrap_or("application/octet-stream")
.parse::<Mime>()
.expect("tree_magic_mini should not produce invalid mime")
}
fn get_disposition_params(filename: &str) -> Vec<DispositionParam> {

View File

@ -7,7 +7,7 @@ mod multipart;
mod upload;
use actix_files::Files;
use actix_web::{App, Error, HttpResponse, HttpServer, middleware::Logger, web};
use actix_web::{middleware::Logger, web, App, Error, HttpResponse, HttpServer};
use async_std::{channel, task};
use env_logger::Env;
use sqlx::postgres::PgPool;

View File

@ -15,6 +15,7 @@ html {
body {
background-color: var(--bg);
min-height: 100vh;
margin: 0;
}
@ -63,7 +64,7 @@ textarea {
height: 30vh;
}
*.hidden {
.hidden {
display: none;
}
@ -76,6 +77,8 @@ input[type="checkbox"] {
font-family: sans;
font-weight: normal;
font-size: 1rem;
margin-right: 0.5rem;
user-select: none;
}
a.button {
@ -102,3 +105,13 @@ a.button:visited {
margin-top: 2em;
overflow: auto;
}
.large-link {
display: block;
margin-bottom: 1em;
max-height: 60vh;
overflow-y: auto;
font-size: clamp(1rem, 3vw, 1.5rem);
overflow-wrap: anywhere;
}

20
template/url-view.html Normal file
View File

@ -0,0 +1,20 @@
<!DOCTYPE html>
<html lang="de-DE">
<head>
<title>datatrash</title>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link href="/static/index.css" rel="stylesheet" />
</head>
<body>
<main>
<h1><a href="/">datatrash</a></h1>
<a class="large-link copy-content" href="{link_attribute}">{link_content}</a>
<br />
<a class="main button" href="{link_attribute}">link öffnen</a>
<button id="copy" class="button hidden">link kopieren</button>
<a class="button" href="?dl">als text herunterladen</a>
</main>
<script src="/static/copy.js" lang="javascript"></script>
</body>
</html>