2023-05-11 17:34:05 +00:00
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use serde::{Deserialize, Serialize};
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2023-05-12 12:51:10 +00:00
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use std::collections::HashMap;
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2023-05-11 17:34:05 +00:00
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use std::error::Error;
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use std::sync;
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2023-05-11 12:19:36 +00:00
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use warp::Filter;
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2023-05-11 17:34:05 +00:00
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use crate::domain;
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pub mod http_tpl;
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2023-05-12 16:17:23 +00:00
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mod util;
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2023-05-11 17:34:05 +00:00
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2023-05-11 12:19:36 +00:00
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/*
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* POST /domain/config (domain, config, secret, init?) -> token?
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2023-05-11 12:19:36 +00:00
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* GET /domain/config (domain) -> config
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* GET /domains
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*/
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2023-05-11 17:34:05 +00:00
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type Handlebars<'a> = sync::Arc<handlebars::Handlebars<'a>>;
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struct RenderContext<'a, DM>
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where
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DM: domain::manager::Manager,
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{
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domain_manager: sync::Arc<DM>,
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2023-05-12 16:17:23 +00:00
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target_cname: sync::Arc<domain::Name>,
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passphrase: sync::Arc<String>,
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2023-05-12 12:51:10 +00:00
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handlebars: Handlebars<'a>,
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query_args: HashMap<String, String>,
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}
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// TODO make this use an io::Write, rather than warp::Reply
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2023-05-13 13:22:47 +00:00
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fn render<'a, T>(handlebars: Handlebars<'a>, name: &'a str, value: T) -> Box<dyn warp::Reply>
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2023-05-11 17:34:05 +00:00
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where
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T: Serialize,
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{
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let rendered = match handlebars.render(name, &value) {
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Ok(res) => res,
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Err(handlebars::RenderError {
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template_name: None,
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..
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}) => return render_error_page(handlebars, 404, "Static asset not found".to_string()),
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Err(err) => return render_error_page(handlebars, 500, format!("template error: {err}")),
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};
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2023-05-11 17:34:05 +00:00
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let content_type = mime_guess::from_path(name)
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.first_or_octet_stream()
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.to_string();
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2023-05-13 13:22:47 +00:00
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let reply = warp::reply::html(rendered);
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Box::from(warp::reply::with_header(
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reply,
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"Content-Type",
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content_type,
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))
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}
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#[derive(Serialize)]
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struct BasePresenter<T> {
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page_name: String,
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query_args: HashMap<String, String>,
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data: T,
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}
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fn render_error_page<'a>(
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handlebars: Handlebars<'a>,
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status_code: u16,
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e: String,
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) -> Box<dyn warp::Reply> {
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#[derive(Serialize)]
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struct Response {
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error_msg: String,
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}
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2023-05-13 13:22:47 +00:00
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Box::from(warp::reply::with_status(
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render(
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handlebars,
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"/base.html",
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BasePresenter {
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page_name: "/error.html".to_string(),
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query_args: HashMap::default(),
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data: Response { error_msg: e },
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},
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),
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status_code.try_into().unwrap(),
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))
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}
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fn render_page<'a, T, DM>(
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render_ctx: RenderContext<'a, DM>,
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name: String,
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data: T,
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) -> Box<dyn warp::Reply>
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where
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T: Serialize,
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DM: domain::manager::Manager,
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{
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let presenter = BasePresenter {
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page_name: name,
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query_args: render_ctx.query_args,
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data,
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};
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render(render_ctx.handlebars, "/base.html", presenter)
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}
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pub fn new<DM>(
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manager: DM,
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target_cname: domain::Name,
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passphrase: String,
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) -> Result<
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impl warp::Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone + 'static,
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Box<dyn Error>,
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>
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where
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DM: domain::manager::Manager + 'static,
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{
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let manager = sync::Arc::new(manager);
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let target_cname = sync::Arc::new(target_cname);
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let passphrase = sync::Arc::new(passphrase);
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2023-05-11 17:34:05 +00:00
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let hbs = sync::Arc::new(self::http_tpl::get()?);
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let with_render_ctx = warp::any()
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.and(warp::query::<HashMap<String, String>>())
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.map(move |query_args: HashMap<String, String>| RenderContext {
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domain_manager: manager.clone(),
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target_cname: target_cname.clone(),
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passphrase: passphrase.clone(),
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handlebars: hbs.clone(),
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query_args,
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});
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let static_dir = warp::get()
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.and(with_render_ctx.clone())
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.and(warp::path("static"))
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.and(warp::path::full())
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.map(
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|render_ctx: RenderContext<'_, DM>, full: warp::path::FullPath| {
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render(render_ctx.handlebars, full.as_str(), ())
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},
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);
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let index = warp::get()
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.and(with_render_ctx.clone())
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.and(warp::path::end())
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.map(|render_ctx: RenderContext<'_, DM>| {
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render_page(render_ctx, String::from("/index.html"), ())
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});
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#[derive(Deserialize)]
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struct DomainGetNewRequest {
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domain: domain::Name,
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}
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2023-05-12 16:17:23 +00:00
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#[derive(Serialize)]
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struct DomainGetNewResponse {
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domain: domain::Name,
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config: Option<domain::config::Config>,
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}
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2023-05-12 12:51:10 +00:00
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let domain_get = warp::get()
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.and(with_render_ctx.clone())
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.and(warp::path!("domain.html"))
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.and(warp::query::<DomainGetNewRequest>())
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.and(warp::query::<util::ConfigFromURL>())
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.map(
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|render_ctx: RenderContext<'_, DM>,
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req: DomainGetNewRequest,
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domain_config: util::ConfigFromURL| {
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match render_ctx.domain_manager.get_config(&req.domain) {
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Ok(_config) => render_error_page(
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render_ctx.handlebars,
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500,
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"TODO not yet implemented".to_string(),
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),
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Err(domain::manager::GetConfigError::NotFound) => {
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let domain_config = match domain_config.try_into() {
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Ok(domain_config) => domain_config,
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Err(e) => {
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return render_error_page(
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render_ctx.handlebars,
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400,
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format!("parsing domain configuration: {}", e),
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)
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}
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};
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render_page(
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render_ctx,
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String::from("/domain_get_new.html"),
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DomainGetNewResponse {
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domain: req.domain,
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config: domain_config,
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},
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)
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}
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Err(domain::manager::GetConfigError::Unexpected(e)) => render_error_page(
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render_ctx.handlebars,
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500,
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format!("retrieving configuration: {}", e),
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),
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}
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},
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);
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#[derive(Deserialize)]
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struct DomainPostRequest {
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_init: bool,
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domain: domain::Name,
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passphrase: String,
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}
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let domain_post = warp::post()
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.and(with_render_ctx.clone())
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.and(warp::path!("domain.html"))
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.and(warp::query::<DomainPostRequest>())
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.and(warp::query::<util::ConfigFromURL>())
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.map(
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|render_ctx: RenderContext<'_, DM>,
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req: DomainPostRequest,
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domain_config: util::ConfigFromURL| {
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if req.passphrase != render_ctx.passphrase.as_str() {
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return render_error_page(
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render_ctx.handlebars,
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401,
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"Incorrect passphrase".to_string(),
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);
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}
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//if req.init {
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#[derive(Serialize)]
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struct Response {
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domain: domain::Name,
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config: domain::config::Config,
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target_cname: domain::Name,
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challenge_token: String,
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}
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let config: domain::config::Config = match domain_config.try_into() {
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Ok(Some(config)) => config,
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Ok(None) => {
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return render_error_page(
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render_ctx.handlebars,
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400,
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"domain config is required".to_string(),
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)
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}
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Err(e) => {
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return render_error_page(
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render_ctx.handlebars,
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400,
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format!("invalid domain config: {e}"),
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)
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}
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};
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let config_hash = match config.hash() {
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Ok(hash) => hash,
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Err(e) => {
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return render_error_page(
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render_ctx.handlebars,
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500,
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format!("failed to hash domain config: {e}"),
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)
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}
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};
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let target_cname = (*render_ctx.target_cname).clone();
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return render_page(
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render_ctx,
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String::from("/domain_post_init.html"),
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Response {
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domain: req.domain,
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config: config,
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target_cname: target_cname,
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challenge_token: config_hash,
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},
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);
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//}
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2023-05-12 14:43:28 +00:00
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},
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);
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2023-05-11 17:34:05 +00:00
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2023-05-13 13:22:47 +00:00
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let not_found =
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warp::any()
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.and(with_render_ctx.clone())
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.map(|render_ctx: RenderContext<'_, DM>| {
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render_error_page(render_ctx.handlebars, 404, "Page not found".to_string())
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});
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Ok(static_dir
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.or(index)
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.or(domain_get)
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.or(domain_post)
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.or(not_found))
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}
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