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|
// -*- coding: utf-8 -*-
//
// Simple CMS
//
// Copyright (C) 2011-2024 Michael Büsch <m@bues.ch>
//
// Licensed under the Apache License version 2.0
// or the MIT license, at your option.
// SPDX-License-Identifier: Apache-2.0 OR MIT
use anyhow as ah;
use std::fmt;
#[derive(Clone, Copy, PartialEq, Eq, Debug, Default)]
pub enum HttpStatus {
Ok = 200,
MovedPermanently = 301,
BadRequest = 400,
NotFound = 404,
#[default]
InternalServerError = 500,
}
impl From<HttpStatus> for u32 {
fn from(status: HttpStatus) -> Self {
status as Self
}
}
impl fmt::Display for HttpStatus {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> {
let text = match self {
Self::Ok => "Ok",
Self::MovedPermanently => "Moved Permanently",
Self::BadRequest => "Bad Request",
Self::NotFound => "Not Found",
Self::InternalServerError => "Internal Server Error",
};
write!(f, "{} {}", *self as u16, text)
}
}
#[derive(Clone, Debug, Default)]
pub struct CmsReply {
status: HttpStatus,
body: Vec<u8>,
mime: String,
extra_http_headers: Vec<String>,
extra_html_headers: Vec<String>,
error_msg: String,
}
impl CmsReply {
pub fn ok(body: Vec<u8>, mime: &str) -> Self {
Self {
status: HttpStatus::Ok,
body,
mime: mime.to_string(),
..Default::default()
}
}
pub fn not_found(msg: &str) -> Self {
Self {
status: HttpStatus::NotFound,
body: format!(
r#"<p style="font-size: large;">{}: {}</p>"#,
HttpStatus::NotFound,
msg
)
.into_bytes(),
mime: "text/html".to_string(),
error_msg: msg.to_string(),
..Default::default()
}
}
pub fn bad_request(msg: &str) -> Self {
Self {
status: HttpStatus::BadRequest,
body: format!(
r#"<p style="font-size: large;">{}: {}</p>"#,
HttpStatus::BadRequest,
msg
)
.into_bytes(),
mime: "text/html".to_string(),
error_msg: msg.to_string(),
..Default::default()
}
}
pub fn redirect(location: &str) -> Self {
let location = location.trim();
Self {
status: HttpStatus::MovedPermanently,
body: format!(
r#"<p style="font-size: large;">Moved permanently to <a href="{location}">{location}</a></p>"#
)
.into_bytes(),
mime: "text/html".to_string(),
extra_http_headers: vec![format!(r#"Location: {location}"#)],
extra_html_headers: vec![format!(
r#"<meta http-equiv="refresh" content="0; URL={location}" />"#
)],
..Default::default()
}
}
pub fn internal_error(msg: &str) -> Self {
Self {
status: HttpStatus::InternalServerError,
body: format!(
r#"<p style="font-size: large;">{}: {}</p>"#,
HttpStatus::InternalServerError,
msg
)
.into_bytes(),
mime: "text/html".to_string(),
error_msg: msg.to_string(),
..Default::default()
}
}
pub fn status(&self) -> HttpStatus {
self.status
}
pub fn set_status(&mut self, status: HttpStatus) {
self.status = status;
}
pub fn mime(&self) -> &str {
&self.mime
}
pub fn error_page_required(&self) -> bool {
self.status() != HttpStatus::Ok
}
pub fn error_msg(&self) -> &str {
&self.error_msg
}
pub fn extra_html_headers(&self) -> &[String] {
&self.extra_html_headers
}
pub fn set_status_as_body(&mut self) {
self.body = format!(r#"<p style="font-size: large;">{}</p>"#, self.status).into_bytes();
self.mime = "text/html".to_string();
}
pub fn remove_error_msg(&mut self) {
self.error_msg.clear();
}
pub fn add_http_header(&mut self, http_header: &str) {
self.extra_http_headers.push(http_header.to_string());
}
}
impl From<ah::Result<CmsReply>> for CmsReply {
fn from(reply: ah::Result<CmsReply>) -> Self {
match reply {
Ok(reply) => reply,
Err(err) => Self::internal_error(&format!("{err}")),
}
}
}
impl From<CmsReply> for cms_socket_back::Msg {
fn from(reply: CmsReply) -> Self {
cms_socket_back::Msg::Reply {
status: reply.status.into(),
body: reply.body,
mime: reply.mime,
extra_headers: reply.extra_http_headers,
}
}
}
// vim: ts=4 sw=4 expandtab
|
