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
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322

use std::fmt;
#[cfg(feature = "compat")]
use std::mem::replace;
use std::net::SocketAddr;

#[cfg(feature = "compat")]
use http;

use header::Headers;
use proto::{Body, MessageHead, RequestHead, RequestLine};
use method::Method;
use uri::{self, Uri};
use version::HttpVersion;

/// An HTTP Request
pub struct Request<B = Body> {
    method: Method,
    uri: Uri,
    version: HttpVersion,
    headers: Headers,
    body: Option<B>,
    is_proxy: bool,
    remote_addr: Option<SocketAddr>,
}

impl<B> Request<B> {
    /// Construct a new Request.
    #[inline]
    pub fn new(method: Method, uri: Uri) -> Request<B> {
        Request {
            method: method,
            uri: uri,
            version: HttpVersion::default(),
            headers: Headers::new(),
            body: None,
            is_proxy: false,
            remote_addr: None,
        }
    }

    /// Read the Request Uri.
    #[inline]
    pub fn uri(&self) -> &Uri { &self.uri }

    /// Read the Request Version.
    #[inline]
    pub fn version(&self) -> HttpVersion { self.version }

    /// Read the Request headers.
    #[inline]
    pub fn headers(&self) -> &Headers { &self.headers }

    /// Read the Request method.
    #[inline]
    pub fn method(&self) -> &Method { &self.method }

    /// Read the Request body.
    #[inline]
    pub fn body_ref(&self) -> Option<&B> { self.body.as_ref() }

     /// Get a mutable reference to the Request body.
    #[inline]
    pub fn body_mut(&mut self) -> &mut Option<B> { &mut self.body }

    #[doc(hidden)]
    #[inline]
    #[deprecated(since="0.11.12", note="This method will be gone in future versions.")]
    pub fn remote_addr(&self) -> Option<SocketAddr> { self.remote_addr }

    /// The target path of this Request.
    #[inline]
    pub fn path(&self) -> &str {
        self.uri.path()
    }

    /// The query string of this Request.
    #[inline]
    pub fn query(&self) -> Option<&str> {
        self.uri.query()
    }

    /// Set the Method of this request.
    #[inline]
    pub fn set_method(&mut self, method: Method) { self.method = method; }

    /// Get a mutable reference to the Request headers.
    #[inline]
    pub fn headers_mut(&mut self) -> &mut Headers { &mut self.headers }

    /// Set the `Uri` of this request.
    #[inline]
    pub fn set_uri(&mut self, uri: Uri) { self.uri = uri; }

    /// Set the `HttpVersion` of this request.
    #[inline]
    pub fn set_version(&mut self, version: HttpVersion) { self.version = version; }

    /// Set the body of the request.
    ///
    /// By default, the body will be sent using `Transfer-Encoding: chunked`. To
    /// override this behavior, manually set a [`ContentLength`] header with the
    /// length of `body`.
    #[inline]
    pub fn set_body<T: Into<B>>(&mut self, body: T) { self.body = Some(body.into()); }

    /// Set that the URI should use the absolute form.
    ///
    /// This is only needed when talking to HTTP/1 proxies to URLs not
    /// protected by TLS.
    #[inline]
    pub fn set_proxy(&mut self, is_proxy: bool) { self.is_proxy = is_proxy; }

    pub(crate) fn is_proxy(&self) -> bool { self.is_proxy }
}

impl Request<Body> {
    /// Deconstruct this Request into its pieces.
    ///
    /// Modifying these pieces will have no effect on how hyper behaves.
    #[inline]
    pub fn deconstruct(self) -> (Method, Uri, HttpVersion, Headers, Body) {
        (self.method, self.uri, self.version, self.headers, self.body.unwrap_or_default())
    }

    /// Take the Request body.
    #[inline]
    pub fn body(self) -> Body { self.body.unwrap_or_default() }
}

impl<B> fmt::Debug for Request<B> {
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
        f.debug_struct("Request")
            .field("method", &self.method)
            .field("uri", &self.uri)
            .field("version", &self.version)
            .field("remote_addr", &self.remote_addr)
            .field("headers", &self.headers)
            .finish()
    }
}

#[cfg(feature = "compat")]
impl From<Request> for http::Request<Body> {
    fn from(from_req: Request) -> http::Request<Body> {
        let (m, u, v, h, b) = from_req.deconstruct();

        let to_req = http::Request::new(());
        let (mut to_parts, _) = to_req.into_parts();

        to_parts.method = m.into();
        to_parts.uri = u.into();
        to_parts.version = v.into();
        to_parts.headers = h.into();

        http::Request::from_parts(to_parts, b)
    }
}

#[cfg(feature = "compat")]
impl<B> From<http::Request<B>> for Request<B> {
    fn from(from_req: http::Request<B>) -> Request<B> {
        let (from_parts, body) = from_req.into_parts();

        let mut to_req = Request::new(from_parts.method.into(), from_parts.uri.into());
        to_req.set_version(from_parts.version.into());
        replace(to_req.headers_mut(), from_parts.headers.into());
        to_req.set_body(body);
        to_req
    }
}

/// Constructs a request using a received ResponseHead and optional body
pub fn from_wire(addr: Option<SocketAddr>, incoming: RequestHead, body: Option<Body>) -> Request<Body> {
    Request {
        remote_addr: addr,
        ..join((incoming, body))
    }
}

pub fn split<B>(req: Request<B>) -> (RequestHead, Option<B>) {
    let uri = if req.is_proxy {
        req.uri
    } else {
        uri::origin_form(&req.uri)
    };
    let head = RequestHead {
        subject: ::proto::RequestLine(req.method, uri),
        headers: req.headers,
        version: req.version,
    };
    (head, req.body)
}

pub fn join<B>((head, body): (RequestHead, Option<B>)) -> Request<B> {
    let MessageHead { version, subject: RequestLine(method, uri), headers } = head;

    Request {
        method: method,
        uri: uri,
        headers: headers,
        version: version,
        remote_addr: None,
        body: body,
        is_proxy: false,
    }
}

pub fn addr<B>(req: &mut Request<B>, addr: SocketAddr) {
    req.remote_addr = Some(addr);
}

#[cfg(test)]
mod tests {
    /*
    use std::io::Write;
    use std::str::from_utf8;
    use Url;
    use method::Method::{Get, Head, Post};
    use mock::{MockStream, MockConnector};
    use net::Fresh;
    use header::{ContentLength,TransferEncoding,Encoding};
    use url::form_urlencoded;
    use super::Request;
    use http::h1::Http11Message;

    fn run_request(req: Request<Fresh>) -> Vec<u8> {
        let req = req.start().unwrap();
        let message = req.message;
        let mut message = message.downcast::<Http11Message>().ok().unwrap();
        message.flush_outgoing().unwrap();
        let stream = *message
            .into_inner().downcast::<MockStream>().ok().unwrap();
        stream.write
    }

    fn assert_no_body(s: &str) {
        assert!(!s.contains("Content-Length:"));
        assert!(!s.contains("Transfer-Encoding:"));
    }

    #[test]
    fn test_get_empty_body() {
        let req = Request::with_connector(
            Get, Url::parse("http://example.dom").unwrap(), &mut MockConnector
        ).unwrap();
        let bytes = run_request(req);
        let s = from_utf8(&bytes[..]).unwrap();
        assert_no_body(s);
    }

    #[test]
    fn test_head_empty_body() {
        let req = Request::with_connector(
            Head, Url::parse("http://example.dom").unwrap(), &mut MockConnector
        ).unwrap();
        let bytes = run_request(req);
        let s = from_utf8(&bytes[..]).unwrap();
        assert_no_body(s);
    }

    #[test]
    fn test_url_query() {
        let url = Url::parse("http://example.dom?q=value").unwrap();
        let req = Request::with_connector(
            Get, url, &mut MockConnector
        ).unwrap();
        let bytes = run_request(req);
        let s = from_utf8(&bytes[..]).unwrap();
        assert!(s.contains("?q=value"));
    }

    #[test]
    fn test_post_content_length() {
        let url = Url::parse("http://example.dom").unwrap();
        let mut req = Request::with_connector(
            Post, url, &mut MockConnector
        ).unwrap();
        let mut body = String::new();
        form_urlencoded::Serializer::new(&mut body).append_pair("q", "value");
        req.headers_mut().set(ContentLength(body.len() as u64));
        let bytes = run_request(req);
        let s = from_utf8(&bytes[..]).unwrap();
        assert!(s.contains("Content-Length:"));
    }

    #[test]
    fn test_post_chunked() {
        let url = Url::parse("http://example.dom").unwrap();
        let req = Request::with_connector(
            Post, url, &mut MockConnector
        ).unwrap();
        let bytes = run_request(req);
        let s = from_utf8(&bytes[..]).unwrap();
        assert!(!s.contains("Content-Length:"));
    }

    #[test]
    fn test_host_header() {
        let url = Url::parse("http://example.dom").unwrap();
        let req = Request::with_connector(
            Get, url, &mut MockConnector
        ).unwrap();
        let bytes = run_request(req);
        let s = from_utf8(&bytes[..]).unwrap();
        assert!(s.contains("Host: example.dom"));
    }

    #[test]
    fn test_proxy() {
        let url = Url::parse("http://example.dom").unwrap();
        let mut req = Request::with_connector(
            Get, url, &mut MockConnector
        ).unwrap();
        req.message.set_proxied(true);
        let bytes = run_request(req);
        let s = from_utf8(&bytes[..]).unwrap();
        let request_line = "GET http://example.dom/ HTTP/1.1";
        assert_eq!(&s[..request_line.len()], request_line);
        assert!(s.contains("Host: example.dom"));
    }
    */
}