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change index to templates using handlebars

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using a handlebars instance in ApiConfig, to cache the templates
as long as possible, this is currently ok, as the index template
can only change when the whole package changes

if we split this in the future, we have to trigger a reload of
the daemon on gui package upgrade (so that the template gets reloaded)

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
This commit is contained in:
Dominik Csapak
2020-04-29 11:59:31 +02:00
committed by Dietmar Maurer
parent bc0d03885c
commit f9e3b1104e
8 changed files with 87 additions and 49 deletions
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15
src/server/config.rs
View File

@ -1,7 +1,9 @@
use std::collections::HashMap;
use std::path::{PathBuf};
use anyhow::Error;
use hyper::Method;
use handlebars::Handlebars;
use proxmox::api::{ApiMethod, Router, RpcEnvironmentType};
@ -10,17 +12,22 @@ pub struct ApiConfig {
router: &'static Router,
aliases: HashMap<String, PathBuf>,
env_type: RpcEnvironmentType,
pub templates: Handlebars<'static>,
}
impl ApiConfig {
pub fn new<B: Into<PathBuf>>(basedir: B, router: &'static Router, env_type: RpcEnvironmentType) -> Self {
Self {
basedir: basedir.into(),
pub fn new<B: Into<PathBuf>>(basedir: B, router: &'static Router, env_type: RpcEnvironmentType) -> Result<Self, Error> {
let mut templates = Handlebars::new();
let basedir = basedir.into();
templates.register_template_file("index", basedir.join("index.hbs"))?;
Ok(Self {
basedir,
router,
aliases: HashMap::new(),
env_type,
}
templates
})
}
pub fn find_method(

69
src/server/rest.rs
View File

@ -16,6 +16,7 @@ use serde_json::{json, Value};
use tokio::fs::File;
use tokio::time::Instant;
use url::form_urlencoded;
use handlebars::Handlebars;
use proxmox::http_err;
use proxmox::api::{ApiHandler, ApiMethod, HttpError};
@ -311,59 +312,43 @@ pub async fn handle_api_request<Env: RpcEnvironment, S: 'static + BuildHasher +
Ok(resp)
}
fn get_index(username: Option<String>, token: Option<String>) -> Response<Body> {
fn get_index(username: Option<String>, token: Option<String>, template: &Handlebars, parts: Parts) -> Response<Body> {
let nodename = proxmox::tools::nodename();
let username = username.unwrap_or_else(|| String::from(""));
let token = token.unwrap_or_else(|| String::from(""));
let setup = json!({
"Setup": { "auth_cookie_name": "PBSAuthCookie" },
let mut debug = false;
if let Some(query_str) = parts.uri.query() {
for (k, v) in form_urlencoded::parse(query_str.as_bytes()).into_owned() {
if k == "debug" && v == "1" || v == "true" {
debug = true;
}
}
}
let data = json!({
"NodeName": nodename,
"UserName": username,
"CSRFPreventionToken": token,
"debug": debug,
});
let index = format!(r###"
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
<title>Proxmox Backup Server</title>
<link rel="icon" sizes="128x128" href="/images/logo-128.png" />
<link rel="apple-touch-icon" sizes="128x128" href="/pve2/images/logo-128.png" />
<link rel="stylesheet" type="text/css" href="/extjs/theme-crisp/resources/theme-crisp-all.css" />
<link rel="stylesheet" type="text/css" href="/extjs/crisp/resources/charts-all.css" />
<link rel="stylesheet" type="text/css" href="/fontawesome/css/font-awesome.css" />
<link rel="stylesheet" type="text/css" href="/css/ext6-pbs.css" />
<script type='text/javascript'> function gettext(buf) {{ return buf; }} </script>
<script type="text/javascript" src="/extjs/ext-all-debug.js"></script>
<script type="text/javascript" src="/extjs/charts-debug.js"></script>
<script type="text/javascript">
Proxmox = {};
</script>
<script type="text/javascript" src="/widgettoolkit/proxmoxlib.js"></script>
<script type="text/javascript" src="/extjs/locale/locale-en.js"></script>
<script type="text/javascript">
Ext.History.fieldid = 'x-history-field';
</script>
<script type="text/javascript" src="/js/proxmox-backup-gui.js"></script>
</head>
<body>
<!-- Fields required for history management -->
<form id="history-form" class="x-hidden">
<input type="hidden" id="x-history-field"/>
</form>
</body>
</html>
"###, setup.to_string());
let mut ct = "text/html";
let index = match template.render("index", &data) {
Ok(index) => index,
Err(err) => {
ct = "text/plain";
format!("Error rendering template: {}", err.desc)
},
};
Response::builder()
.status(StatusCode::OK)
.header(header::CONTENT_TYPE, "text/html")
.header(header::CONTENT_TYPE, ct)
.body(index.into())
.unwrap()
}
@ -595,15 +580,15 @@ pub async fn handle_request(api: Arc<ApiConfig>, req: Request<Body>) -> Result<R
match check_auth(&method, &ticket, &token, &user_info) {
Ok(username) => {
let new_token = assemble_csrf_prevention_token(csrf_secret(), &username);
return Ok(get_index(Some(username), Some(new_token)));
return Ok(get_index(Some(username), Some(new_token), &api.templates, parts));
}
_ => {
tokio::time::delay_until(Instant::from_std(delay_unauth_time)).await;
return Ok(get_index(None, None));
return Ok(get_index(None, None, &api.templates, parts));
}
}
} else {
return Ok(get_index(None, None));
return Ok(get_index(None, None, &api.templates, parts));
}
} else {
let filename = api.find_alias(&components);