{gemini_title}

// This file is part of September . // Copyright (C) 2022-2022 Fuwn // // This program is free software: you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation, version 3. // // This program is distributed in the hope that it will be useful, but // WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU // General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program. If not, see . // // Copyright (C) 2022-2022 Fuwn // SPDX-License-Identifier: GPL-3.0-only use std::{env::var, time::Instant}; use actix_web::{Error, HttpResponse}; use crate::url::make as make_url; #[allow(clippy::unused_async, clippy::future_not_send, clippy::too_many_lines)] pub async fn default( req: actix_web::HttpRequest, ) -> Result { if vec![ "/proxy", "/proxy/", "/x", "/x/", "/raw", "/raw/", "/nocss", "/nocss/", ] .contains(&req.path()) { return Ok( HttpResponse::Ok() .content_type("text/html") .body(r#"

This is a proxy path. Please specify a Gemini URL without the "gemini://" to proxy.

For example: to proxy "gemini://fuwn.me/uptime", visit "/proxy/fuwn.me/uptime".

"#), ); } let mut is_proxy = false; let mut is_raw = false; let mut is_nocss = false; // Try to construct a Gemini URL let url = match make_url( &format!("{}{}", req.path(), { if !req.query_string().is_empty() || req.uri().to_string().ends_with('?') { format!("?{}", req.query_string()) } else { String::new() } }), false, &mut is_proxy, &mut is_raw, &mut is_nocss, ) { Ok(url) => url, Err(e) => { return Ok( HttpResponse::BadRequest() .content_type("text/plain") .body(format!("{e}")), ); } }; // Make a request to get Gemini content and time it. let mut timer = Instant::now(); let mut response = match gmi::request::make_request(&url) { Ok(response) => response, Err(e) => { return Ok(HttpResponse::Ok().body(e.to_string())); } }; if response.data.is_empty() { response = match gmi::request::make_request(&match make_url( req.path(), true, &mut is_proxy, &mut is_raw, &mut is_nocss, ) { Ok(url) => url, Err(e) => { return Ok( HttpResponse::BadRequest() .content_type("text/plain") .body(format!("{e}")), ); } }) { Ok(response) => response, Err(e) => { return Ok(HttpResponse::Ok().body(e.to_string())); } }; } let response_time_taken = timer.elapsed(); let meta = germ::meta::Meta::from_string(&response.meta); let charset = meta .parameters() .get("charset") .map_or_else(|| "utf-8".to_string(), ToString::to_string); let language = meta .parameters() .get("lang") .map_or_else(String::new, ToString::to_string); // Reset timer for below timer = Instant::now(); // Convert Gemini Response to HTML and time it. let mut html_context = if is_raw { String::new() } else { format!( "", if language.is_empty() { String::new() } else { format!(" lang=\"{language}\"") } ) }; let gemini_html = crate::gemini_to_html::gemini_to_html(&response, &url, is_proxy); let gemini_title = gemini_html.0; let convert_time_taken = timer.elapsed(); if is_raw { html_context.push_str(&String::from_utf8_lossy(&response.data)); return Ok( HttpResponse::Ok() .content_type(format!("{}; charset={charset}", meta.mime())) .body(html_context), ); } if is_nocss { html_context.push_str(&gemini_html.1); return Ok( HttpResponse::Ok() .content_type(format!("text/html; charset={}", meta.mime())) .body(html_context), ); } // Try to add an external stylesheet from the `CSS_EXTERNAL` environment // variable. if let Ok(css) = var("CSS_EXTERNAL") { let stylesheets = css.split(',').filter(|s| !s.is_empty()).collect::>(); for stylesheet in stylesheets { html_context.push_str(&format!( "", stylesheet, )); } } // Try to add an external favicon from the `FAVICON_EXTERNAL` environment // variable. if let Ok(favicon) = var("FAVICON_EXTERNAL") { html_context.push_str(&format!( "", favicon )); } if var("MATHJAX") .unwrap_or_else(|_| "true".to_string()) .to_lowercase() == "true" { html_context.push_str( r#""#, ); } // Add a title to HTML response html_context.push_str(&format!("{gemini_title}")); html_context.push_str(""); match response.status { gmi::protocol::StatusCode::Success(_) => { html_context.push_str(&gemini_html.1); } _ => html_context.push_str(&format!("

{}

", response.meta)), } // Add proxy information to footer of HTML response html_context.push_str(&format!( "

Proxy information

Original URL: {0}
Status code: {:?}
Meta: {}
Capsule response time: {} milliseconds
Gemini-to-HTML time: {} milliseconds

This content has been proxied by \ September ({}).

", url, response.status, response.meta, response_time_taken.as_nanos() as f64 / 1_000_000.0, convert_time_taken.as_nanos() as f64 / 1_000_000.0, format_args!("/tree/{}", env!("VERGEN_GIT_SHA")), env!("VERGEN_GIT_SHA").get(0..5).unwrap_or("UNKNOWN"), )); if let Ok(plain_texts) = var("PLAIN_TEXT_ROUTE") { if plain_texts.split(',').any(|r| r == req.path()) { return Ok( HttpResponse::Ok() .body(String::from_utf8_lossy(&response.data).to_string()), ); } } Ok( HttpResponse::Ok() .content_type(format!("text/html; charset={charset}")) .body(html_context), ) }