2016-08-26 08:55:11 +00:00
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use handler::ErrorHandler;
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2016-07-16 04:09:08 +00:00
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use response::Response;
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2016-04-06 10:26:43 +00:00
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use codegen::StaticCatchInfo;
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2016-08-26 08:55:11 +00:00
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use error::Error;
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use request::Request;
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2016-04-06 10:26:43 +00:00
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use std::fmt;
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use term_painter::ToStyle;
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use term_painter::Color::*;
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pub struct Catcher {
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pub code: u16,
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2016-08-26 08:55:11 +00:00
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handler: ErrorHandler,
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2016-09-09 08:00:51 +00:00
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is_default: bool,
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2016-04-06 10:26:43 +00:00
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}
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impl Catcher {
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2016-08-26 08:55:11 +00:00
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pub fn new(code: u16, handler: ErrorHandler) -> Catcher {
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2016-10-08 04:31:52 +00:00
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Catcher { code: code, handler: handler, is_default: false }
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2016-04-06 20:50:02 +00:00
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}
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2016-10-08 06:20:49 +00:00
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pub fn handle<'r>(&self, err: Error, request: &'r Request) -> Response<'r> {
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2016-09-09 08:00:51 +00:00
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(self.handler)(err, request)
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2016-07-16 04:09:08 +00:00
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}
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2016-10-08 04:31:52 +00:00
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fn new_default(code: u16, handler: ErrorHandler) -> Catcher {
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Catcher { code: code, handler: handler, is_default: true, }
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2016-04-06 10:26:43 +00:00
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}
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2016-04-06 20:50:02 +00:00
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pub fn is_default(&self) -> bool {
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self.is_default
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}
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2016-04-06 10:26:43 +00:00
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}
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impl<'a> From<&'a StaticCatchInfo> for Catcher {
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fn from(info: &'a StaticCatchInfo) -> Catcher {
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Catcher::new(info.code, info.handler)
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}
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}
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impl fmt::Display for Catcher {
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fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
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2016-04-06 20:50:02 +00:00
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write!(f, "{}", Blue.paint(&self.code))
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2016-04-06 10:26:43 +00:00
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}
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}
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2016-04-06 20:50:02 +00:00
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2016-10-08 04:31:52 +00:00
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macro_rules! error_page_template {
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($code:expr, $name:expr, $description:expr) => (
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concat!(r#"
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2016-09-09 08:00:51 +00:00
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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2016-10-08 04:31:52 +00:00
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<title>"#, $code, " ", $name, r#"</title>
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2016-09-09 08:00:51 +00:00
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</head>
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<body align="center">
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<div align="center">
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2016-10-08 06:20:49 +00:00
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<h1>"#, $code, ": ", $name, r#"</h1>
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2016-10-08 04:31:52 +00:00
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<p>"#, $description, r#"</p>
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2016-09-09 08:00:51 +00:00
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<hr />
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<small>Rocket</small>
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</div>
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</body>
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</html>
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2016-10-08 04:31:52 +00:00
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"#
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)
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)
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}
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2016-04-06 20:50:02 +00:00
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2016-10-08 04:31:52 +00:00
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macro_rules! default_errors {
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($($code:expr, $name:expr, $description:expr, $fn_name:ident),+) => (
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2016-09-09 08:00:51 +00:00
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let mut map = HashMap::new();
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2016-10-08 04:31:52 +00:00
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$(
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fn $fn_name<'r>(_: Error, _r: &'r Request) -> Response<'r> {
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2016-10-08 06:20:49 +00:00
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Response::with_raw_status($code,
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2016-10-25 11:03:50 +00:00
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content::HTML(error_page_template!($code, $name, $description))
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2016-10-08 04:31:52 +00:00
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)
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}
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map.insert($code, Catcher::new_default($code, $fn_name));
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)+
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2016-09-09 08:00:51 +00:00
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map
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2016-10-08 04:31:52 +00:00
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)
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}
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pub mod defaults {
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use super::Catcher;
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use std::collections::HashMap;
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use request::Request;
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2016-10-25 11:03:50 +00:00
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use response::{Response, content};
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2016-10-08 04:31:52 +00:00
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use error::Error;
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pub fn get() -> HashMap<u16, Catcher> {
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default_errors! {
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400, "Bad Request", "The request could not be understood by the server due
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to malformed syntax.", handle_400,
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401, "Unauthorized", "The request requires user authentication.",
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handle_401,
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403, "Forbidden", "The request was forbidden by the server.
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Check authentication.", handle_403,
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402, "Payment Required", "The request could not be processed due to lack of
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payment.", handle_402,
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404, "Not Found", "The requested resource could not be found.", handle_404,
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405, "Method Not Allowed", "The request method is not supported for the
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requested resource.", handle_405,
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406, "Not Acceptable", "The requested resource is capable of generating
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only content not acceptable according to the Accept headers sent in the
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request.", handle_406,
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407, "Proxy Authentication Required", "Authentication with the proxy is
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required.", handle_407,
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408, "Request Timeout", "The server timed out waiting for the
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request.", handle_408,
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409, "Conflict", "The request could not be processed because of a conflict
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in the request.", handle_409,
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410, "Gone", "The resource requested is no longer available and will not be
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available again.", handle_410,
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411, "Length Required", "The request did not specify the length of its
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content, which is required by the requested resource.", handle_411,
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412, "Precondition Failed", "The server does not meet one of the
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preconditions specified in the request.", handle_412,
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413, "Payload Too Large", "The request is larger than the server is
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willing or able to process.", handle_413,
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414, "URI Too Long", "The URI provided was too long for the server to
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process.", handle_414,
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415, "Unsupported Media Type", "The request entity has a media type which
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the server or resource does not support.", handle_415,
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416, "Range Not Satisfiable", "The portion of the requested file cannot be
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supplied by the server.", handle_416,
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417, "Expectation Failed", "The server cannot meet the requirements of the
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Expect request-header field.", handle_417,
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418, "I'm a teapot", "I was requested to brew coffee, and I am a
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teapot.", handle_418,
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421, "Misdirected Request", "The server cannot produce a response for this
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request.", handle_421,
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426, "Upgrade Required", "Switching to the protocol in the Upgrade header
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field is required.", handle_426,
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428, "Precondition Required", "The server requires the request to be
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conditional.", handle_428,
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429, "Too Many Requests", "Too many requests have been received
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recently.", handle_429,
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431, "Request Header Fields Too Large", "The server is unwilling to process
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the request because either an individual header field, or all
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the header fields collectively, are too large.", handle_431,
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451, "Unavailable For Legal Reasons", "The requested resource is
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unavailable due to a legal demand to deny access to this
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resource.", handle_451,
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500, "Internal Server Error", "The server encountered an internal error
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while processing this request.", handle_500,
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501, "Not Implemented", "The server either does not recognize the request
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method, or it lacks the ability to fulfill the request.", handle_501,
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503, "Service Unavailable", "The server is currently unavailable.",
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handle_503,
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510, "Not Extended", "Further extensions to the request are required for
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the server to fulfill it.", handle_510
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}
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2016-07-16 04:09:08 +00:00
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}
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}
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2016-10-08 04:31:52 +00:00
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