1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161

//! Ferrum's HTTP Request representation and associated methods.

use std::mem;
use std::net::SocketAddr;
use std::fmt::{self, Debug};

use hyper::{Body, HttpVersion, Uri};

use typemap::{TypeMap, TypeMapInner};
use plugin::Extensible;

pub use hyper::server::Request as HyperRequest;

use {Plugin, Headers, Method};

pub mod uri;
pub use self::uri::*;

/// The `Request` given to all `Middleware`.
///
/// Stores all the properties of the client's request plus
/// an `TypeMap` for data communication between middleware.
pub struct Request {
    /// The requested URI.
    pub uri: Uri,

    /// The URI path segments collection
    pub uri_path_segments: Vec<String>,

    /// The request method.
    pub method: Method,

    /// The version of the HTTP protocol used.
    pub version: HttpVersion,

    /// The originating address of the request. Some underlying transports
    /// may not have a socket address, such as Unix Sockets.
    pub remote_addr: Option<SocketAddr>,

    /// The request headers.
    pub headers: Headers,

    /// The request body.
    pub body: Option<Body>,

    /// Extensible storage for data passed between middleware.
    pub extensions: TypeMap<TypeMapInner>,

    _p: (),
}

impl Debug for Request {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        try!(writeln!(f, "Request {{"));
        try!(writeln!(f, "    uri: {:?}", self.uri));
        try!(writeln!(f, "    method: {:?}", self.method));
        try!(writeln!(f, "    version: {:?}", self.version));
        try!(writeln!(f, "    remote_addr: {:?}", self.remote_addr));
        try!(write!(f, "}}"));
        Ok(())
    }
}

impl Request {
    /// Create a request from an HyperRequest.
    ///
    /// This constructor consumes the HyperRequest.
    pub fn new(request: HyperRequest) -> Request {
        let remote_addr = request.remote_addr();
        let (method, uri, version, headers, body) = request.deconstruct();

        let uri_path_segments = uri.decoded_path_segments();

        Request {
            uri,
            uri_path_segments,
            method,
            version,
            remote_addr,
            headers,
            body: Some(body),
            extensions: TypeMap::custom(),
            _p: (),
        }
    }

    pub fn take_body(&mut self) -> Body {
        let body = mem::replace(&mut self.body, None);
        body.unwrap_or_default()
    }

    #[cfg(test)]
    pub fn stub() -> Request {
        use std::net::ToSocketAddrs;
        use std::str::FromStr;

        let uri = Uri::from_str("http://www.rust-lang.org").unwrap();
        let uri_path_segments = uri.decoded_path_segments();

        Request {
            uri,
            uri_path_segments,
            method: Method::Get,
            version: HttpVersion::Http11,
            remote_addr: Some("localhost:3000".to_socket_addrs().unwrap().next().unwrap()),
            headers: Headers::new(),
            body: None,
            extensions: TypeMap::custom(),
            _p: (),
        }
    }
}

// Allow plugins to attach to requests.
impl Extensible<TypeMapInner> for Request {
    fn extensions(&self) -> &TypeMap<TypeMapInner> {
        &self.extensions
    }

    fn extensions_mut(&mut self) -> &mut TypeMap<TypeMapInner> {
        &mut self.extensions
    }
}

impl Plugin for Request {}

#[cfg(test)]
mod test {
    use super::*;
    use std::net::ToSocketAddrs;
    use std::str::FromStr;

    #[test]
    fn test_create_request() {
        let uri = Uri::from_str("http://www.rust-lang.org/foo/bar").unwrap();
        let request = Request::new(
            HyperRequest::new(Method::Get, uri.clone())
        );

        assert_eq!(request.uri, uri);
        assert_eq!(request.uri_path_segments, vec!["foo".to_string(), "bar".to_string()]);
        assert_eq!(request.method, Method::Get);
        assert_eq!(request.version, HttpVersion::default());
        assert_eq!(request.remote_addr, None);
        assert_eq!(request.headers, Headers::new());
    }

    #[test]
    fn test_create_request_stub() {
        let uri = Uri::from_str("http://www.rust-lang.org").unwrap();
        let addr = "127.0.0.1:3000".to_socket_addrs().unwrap().next().unwrap();
        let request = Request::stub();

        assert_eq!(request.uri, uri);
        assert_eq!(request.uri_path_segments, vec!["".to_string()]);
        assert_eq!(request.method, Method::Get);
        assert_eq!(request.version, HttpVersion::default());
        assert_eq!(request.remote_addr.unwrap(), addr);
        assert_eq!(request.headers, Headers::new());
    }
}