chore(crimp): Prepare for depot merge

6 files changed, 1364 insertions, 0 deletions

diff --git a/net/crimp/.gitignore b/net/crimp/.gitignore
new file mode 100644
index 000000000000..693699042b1a
--- /dev/null
+++ b/net/crimp/.gitignore
@@ -0,0 +1,3 @@
+/target
+**/*.rs.bk
+Cargo.lock
diff --git a/net/crimp/Cargo.toml b/net/crimp/Cargo.toml
new file mode 100644
index 000000000000..13c80f1f6950
--- /dev/null
+++ b/net/crimp/Cargo.toml
@@ -0,0 +1,18 @@
+[package]
+name = "crimp"
+description = "Higher-level Rust API for cURL bindings"
+version = "0.2.2"
+authors = ["Vincent Ambo <mail@tazj.in>"]
+keywords = [ "http", "curl" ]
+categories = [ "api-bindings" ]
+license = "GPL-3.0-or-later"
+repository = "https://github.com/tazjin/crimp"
+
+[features]
+default = [ "json" ]
+json = [ "serde", "serde_json"]
+
+[dependencies]
+curl = "0.4"
+serde = { version = "1.0", optional = true }
+serde_json = { version = "1.0", optional = true }
diff --git a/net/crimp/LICENSE b/net/crimp/LICENSE
new file mode 100644
index 000000000000..94a9ed024d38
--- /dev/null
+++ b/net/crimp/LICENSE
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
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+Public License "or any later version" applies to it, you have the
+option of following the terms and conditions either of that numbered
+version or of any later version published by the Free Software
+Foundation.  If the Program does not specify a version number of the
+GNU General Public License, you may choose any version ever published
+by the Free Software Foundation.
+
+  If the Program specifies that a proxy can decide which future
+versions of the GNU General Public License can be used, that proxy's
+public statement of acceptance of a version permanently authorizes you
+to choose that version for the Program.
+
+  Later license versions may give you additional or different
+permissions.  However, no additional obligations are imposed on any
+author or copyright holder as a result of your choosing to follow a
+later version.
+
+  15. Disclaimer of Warranty.
+
+  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
+APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
+HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
+OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
+THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    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, either version 3 of the License, or
+    (at your option) any later version.
+
+    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 <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/net/crimp/README.md b/net/crimp/README.md
new file mode 100644
index 000000000000..791c354fc1d9
--- /dev/null
+++ b/net/crimp/README.md
@@ -0,0 +1,15 @@
+crimp
+=====
+
+[![Build Status](https://travis-ci.org/tazjin/crimp.svg?branch=master)](https://travis-ci.org/tazjin/crimp)
+[![](https://img.shields.io/crates/v/crimp.svg)](https://crates.io/crates/crimp)
+[![](https://docs.rs/crimp/badge.svg)](https://docs.rs/crimp)
+
+Crimp is an HTTP client interface on top of the [Rust bindings][] to
+cURL.
+
+The documentation for this crate is primarily in the [module
+documentation][]
+
+[Rust bindings]: https://docs.rs/curl
+[module documentation]: https://docs.rs/crimp
diff --git a/net/crimp/src/lib.rs b/net/crimp/src/lib.rs
new file mode 100644
index 000000000000..b52ebc3ef09c
--- /dev/null
+++ b/net/crimp/src/lib.rs
@@ -0,0 +1,502 @@
+// crimp - Higher-level Rust cURL API
+//
+// Copyright (C) 2019 Vincent Ambo
+//
+// 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, either version 3 of the License, or
+// (at your option) any later version.
+//
+// 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 <http://www.gnu.org/licenses/>.
+
+//! # crimp
+//!
+//! This library provides a simplified API over the [cURL Rust
+//! bindings][] that resemble that of higher-level libraries such as
+//! [reqwest][]. All calls are synchronous.
+//!
+//! `crimp` is intended to be used in situations where HTTP client
+//! functionality is desired without adding a significant number of
+//! dependencies or sacrificing too much usability.
+//!
+//! Using `crimp` to make HTTP requests is done using a simple
+//! builder-pattern style API. For example, to make a `GET`-request
+//! and print the result to `stdout`:
+//!
+//! ```rust
+//! use crimp::Request;
+//!
+//! let response = Request::get("http://httpbin.org/get")
+//!     .user_agent("crimp test suite").unwrap()
+//!     .send().unwrap()
+//!     .as_string().unwrap();
+//!
+//! println!("Status: {}\nBody: {}", response.status, response.body);
+//! # assert_eq!(response.status, 200);
+//! ```
+//!
+//! If a feature from the underlying cURL library is missing, the
+//! `Request::raw` method can be used as an escape hatch to deal with
+//! the handle directly. Should you find yourself doing this, please
+//! [file an issue][].
+//!
+//! `crimp` does not currently expose functionality for re-using a
+//! cURL Easy handle, meaning that keep-alive of HTTP connections and
+//! the like is not supported.
+//!
+//! ## Cargo features
+//!
+//! All optional features are enabled by default.
+//!
+//! * `json`: Adds `Request::json` and `Response::as_json` methods
+//!   which can be used for convenient serialisation of
+//!   request/response bodies using `serde_json`. This feature adds a
+//!   dependency on the `serde` and `serde_json` crates.
+//!
+//! ## Initialisation
+//!
+//! It is recommended to call the underlying `curl::init` method
+//! (re-exported as `crimp::init`) when launching your application to
+//! initialise the cURL library. This is not required, but will
+//! otherwise occur the first time a request is made.
+//!
+//! [cURL Rust bindings]: https://docs.rs/curl
+//! [reqwest]: https://docs.rs/reqwest
+//! [file an issue]: https://github.com/tazjin/crimp/issues
+
+extern crate curl;
+
+#[cfg(feature = "json")] extern crate serde;
+#[cfg(feature = "json")] extern crate serde_json;
+
+pub use curl::init;
+
+use curl::easy::{Auth, Easy, Form, List, Transfer, ReadError, WriteError};
+use std::collections::HashMap;
+use std::io::Write;
+use std::path::Path;
+use std::string::{FromUtf8Error, ToString};
+use std::time::Duration;
+
+#[cfg(feature = "json")] use serde::Serialize;
+#[cfg(feature = "json")] use serde::de::DeserializeOwned;
+
+#[cfg(test)]
+mod tests;
+
+/// HTTP method to use for the request.
+enum Method {
+    Get, Post, Put, Patch, Delete
+}
+
+/// Certificate types for client-certificate key pairs.
+pub enum CertType {
+    P12, PEM, DER
+}
+
+/// Builder structure for an HTTP request.
+///
+/// This is the primary API-type in `crimp`. After creating a new
+/// request its parameters are modified using the various builder
+/// methods until it is consumed by `send()`.
+pub struct Request<'a> {
+    url: &'a str,
+    method: Method,
+    handle: Easy,
+    headers: List,
+    body: Body<'a>,
+}
+
+enum Body<'a> {
+    NoBody,
+    Form(Form),
+
+    Bytes {
+        content_type: &'a str,
+        data: &'a [u8],
+    },
+
+    #[cfg(feature = "json")]
+    Json(Vec<u8>),
+}
+
+/// HTTP responses structure containing response data and headers.
+///
+/// By default the `send()` function of the `Request` structure will
+/// return a `Response<Vec<u8>>`. Convenience helpers exist for
+/// decoding a string via `Response::as_string` or to a
+/// `serde`-compatible type with `Response::as_json` (if the
+/// `json`-feature is enabled).
+#[derive(Debug, PartialEq)]
+pub struct Response<T> {
+    /// HTTP status code of the response.
+    pub status: u32,
+
+    /// HTTP headers returned from the remote.
+    pub headers: HashMap<String, String>,
+
+    /// Body data from the HTTP response.
+    pub body: T,
+}
+
+impl <'a> Request<'a> {
+    /// Initiate an HTTP request with the given method and URL.
+    fn new(method: Method, url: &'a str) -> Self {
+        Request {
+            url,
+            method,
+            handle: Easy::new(),
+            headers: List::new(),
+            body: Body::NoBody,
+        }
+    }
+
+    /// Initiate a GET request with the given URL.
+    pub fn get(url: &'a str) -> Self { Request::new(Method::Get, url) }
+
+    /// Initiate a POST request with the given URL.
+    pub fn post(url: &'a str) -> Self { Request::new(Method::Post, url) }
+
+    /// Initiate a PUT request with the given URL.
+    pub fn put(url: &'a str) -> Self { Request::new(Method::Put, url) }
+
+    /// Initiate a PATCH request with the given URL.
+    pub fn patch(url: &'a str) -> Self { Request::new(Method::Patch, url) }
+
+    /// Initiate a DELETE request with the given URL.
+    pub fn delete(url: &'a str) -> Self { Request::new(Method::Delete, url) }
+
+    /// Add an HTTP header to a request.
+    pub fn header(mut self, k: &str, v: &str) -> Result<Self, curl::Error> {
+        self.headers.append(&format!("{}: {}", k, v))?;
+        Ok(self)
+    }
+
+    /// Set the `User-Agent` for this request. By default this will be
+    /// set to cURL's standard user agent.
+    pub fn user_agent(mut self, agent: &str) -> Result<Self, curl::Error> {
+        self.handle.useragent(agent)?;
+        Ok(self)
+    }
+
+    /// Set the `Authorization` header to a `Bearer` value with the
+    /// supplied token.
+    pub fn bearer_auth(mut self, token: &str) -> Result<Self, curl::Error> {
+        self.headers.append(&format!("Authorization: Bearer {}", token))?;
+        Ok(self)
+    }
+
+    /// Set the `Authorization` header to a basic authentication value
+    /// from the supplied username and password.
+    pub fn basic_auth(mut self, username: &str, password: &str) -> Result<Self, curl::Error> {
+        let mut auth = Auth::new();
+        auth.basic(true);
+        self.handle.username(username)?;
+        self.handle.password(password)?;
+        self.handle.http_auth(&auth)?;
+        Ok(self)
+    }
+
+    /// Configure a TLS client certificate on the request.
+    ///
+    /// Depending on whether the certificate file contains the private
+    /// key or not, calling `tls_client_key` may be required in
+    /// addition.
+    ///
+    /// Consult the documentation for the `ssl_cert` and `ssl_key`
+    /// functions in `curl::easy::Easy2` for details on supported
+    /// formats and defaults.
+    pub fn tls_client_cert<P: AsRef<Path>>(mut self, cert_type: CertType, cert: P)
+                                           -> Result<Self, curl::Error> {
+        self.handle.ssl_cert(cert)?;
+        self.handle.ssl_cert_type(match cert_type {
+            CertType::P12 => "P12",
+            CertType::PEM => "PEM",
+            CertType::DER => "DER",
+        })?;
+
+        Ok(self)
+    }
+
+    /// Configure a TLS client certificate key on the request.
+    ///
+    /// Note that this does **not** need to be called again for
+    /// PKCS12-encoded key pairs which are set via `tls_client_cert`.
+    ///
+    /// Currently only PEM-encoded key files are supported.
+    pub fn tls_client_key<P: AsRef<Path>>(mut self, key: P) -> Result<Self, curl::Error> {
+        self.handle.ssl_key(key)?;
+        Ok(self)
+    }
+
+    /// Configure an encryption password for a TLS client certificate
+    /// key on the request.
+    ///
+    /// This is required in case of an encrypted private key that
+    /// should be used.
+    pub fn tls_key_password(mut self, password: &str) -> Result<Self, curl::Error> {
+        self.handle.key_password(password)?;
+        Ok(self)
+    }
+
+    /// Configure a timeout for the request after which the request
+    /// will be aborted.
+    pub fn timeout(mut self, timeout: Duration) -> Result<Self, curl::Error> {
+        self.handle.timeout(timeout)?;
+        Ok(self)
+    }
+
+    /// Set custom configuration on the cURL `Easy` handle.
+    ///
+    /// This function can be considered an "escape-hatch" from the
+    /// high-level API which lets users access the internal
+    /// `curl::easy::Easy` handle and configure options on it
+    /// directly.
+    ///
+    /// ```
+    /// # use crimp::Request;
+    /// let response = Request::get("https://httpbin.org/get")
+    ///     .with_handle(|mut handle| handle.referer("Example-Referer")).unwrap()
+    ///     .send().unwrap();
+    /// #
+    /// # assert!(response.is_success());
+    /// ```
+    pub fn with_handle<F>(mut self, function: F) -> Result<Self, curl::Error>
+    where F: FnOnce(&mut Easy) -> Result<(), curl::Error> {
+        function(&mut self.handle)?;
+        Ok(self)
+    }
+
+    /// Add a byte-array body to a request using the specified
+    /// `Content-Type`.
+    pub fn body(mut self, content_type: &'a str, data: &'a [u8]) -> Self {
+        self.body = Body::Bytes { data, content_type };
+        self
+    }
+
+    /// Add a form-encoded body to a request using the `curl::Form`
+    /// type.
+    ///
+    /// ```rust
+    /// # extern crate curl;
+    /// # extern crate serde_json;
+    /// # use crimp::*;
+    /// # use serde_json::{Value, json};
+    /// use curl::easy::Form;
+    ///
+    /// let mut form = Form::new();
+    /// form.part("some-name")
+    ///     .contents("some-data".as_bytes())
+    ///     .add().unwrap();
+    ///
+    /// let response = Request::post("https://httpbin.org/post")
+    ///     .user_agent("crimp test suite").unwrap()
+    ///     .form(form)
+    ///     .send().unwrap();
+    /// #
+    /// # assert_eq!(200, response.status, "form POST should succeed");
+    /// # assert_eq!(
+    /// #     response.as_json::<Value>().unwrap().body.get("form").unwrap(),
+    /// #     &json!({"some-name": "some-data"}),
+    /// #     "posted form data should match",
+    /// # );
+    /// ```
+    ///
+    /// See the documentation of `curl::easy::Form` for details on how
+    /// to construct a form body.
+    pub fn form(mut self, form: Form) -> Self {
+        self.body = Body::Form(form);
+        self
+    }
+
+    /// Add a JSON-encoded body from a serializable type.
+    #[cfg(feature = "json")]
+    pub fn json<T: Serialize>(mut self, body: &T) -> Result<Self, serde_json::Error> {
+        let json = serde_json::to_vec(body)?;
+        self.body = Body::Json(json);
+        Ok(self)
+    }
+
+    /// Send the HTTP request and return a response structure
+    /// containing the raw body.
+    pub fn send(mut self) -> Result<Response<Vec<u8>>, curl::Error> {
+        // Configure request basics:
+        self.handle.url(self.url)?;
+
+        match self.method {
+            Method::Get    => self.handle.get(true)?,
+            Method::Post   => self.handle.post(true)?,
+            Method::Put    => self.handle.put(true)?,
+            Method::Patch  => self.handle.custom_request("PATCH")?,
+            Method::Delete => self.handle.custom_request("DELETE")?,
+        }
+
+        // Create structures in which to store the response data:
+        let mut headers = HashMap::new();
+        let mut body = vec![];
+
+        // Submit a form value to cURL if it is set and proceed
+        // pretending that there is no body, as the handling of this
+        // type of body happens under-the-hood.
+        if let Body::Form(form) = self.body {
+            self.handle.httppost(form)?;
+            self.body = Body::NoBody;
+        }
+
+        // Optionally set content type if a body payload is configured
+        // and configure the expected body size (or form payload).
+         match self.body {
+            Body::Bytes { content_type, data } => {
+                self.handle.post_field_size(data.len() as u64)?;
+                self.headers.append(&format!("Content-Type: {}", content_type))?;
+            },
+
+            #[cfg(feature = "json")]
+            Body::Json(ref data) => {
+                self.handle.post_field_size(data.len() as u64)?;
+                self.headers.append("Content-Type: application/json")?;
+            },
+
+             // Do not set content-type header at all if there is no
+             // body, or if the form handler was invoked above.
+             _ => (),
+        };
+
+        // Configure headers on the request:
+        self.handle.http_headers(self.headers)?;
+
+        {
+            // Take a scoped transfer from the Easy handle. This makes it
+            // possible to write data into the above local buffers without
+            // fighting the borrow-checker:
+            let mut transfer = self.handle.transfer();
+
+            // Write the payload if it exists:
+            match self.body {
+                Body::Bytes { data, .. } => chunked_read_function(&mut transfer, data)?,
+
+                #[cfg(feature = "json")]
+                Body::Json(ref json) => chunked_read_function(&mut transfer, json)?,
+
+                // Do nothing if there is no body or if the body is a
+                // form.
+                _ => (),
+            };
+
+            // Read one header per invocation. Request processing is
+            // terminated if any header is malformed:
+            transfer.header_function(|header| {
+                // Headers are expected to be valid UTF-8 data. If they
+                // are not, the conversion is lossy.
+                //
+                // Technically it is legal for HTTP requests to use
+                // different encodings, but we don't interface with such
+                // services for hygienic reasons.
+                let header = String::from_utf8_lossy(header);
+                let split = header.splitn(2, ':').collect::<Vec<_>>();
+
+                // "Malformed" headers are skipped. In most cases this
+                // will only be the HTTP version statement.
+                if split.len() != 2 {
+                    return true;
+                }
+
+                headers.insert(
+                    split[0].trim().to_string(), split[1].trim().to_string()
+                );
+                true
+            })?;
+
+            // Read the body to the allocated buffer.
+            transfer.write_function(|data| {
+                let len = data.len();
+                body.write_all(data)
+                    .map(|_| len)
+                    .map_err(|_| WriteError::Pause)
+            })?;
+
+            transfer.perform()?;
+        }
+
+        Ok(Response {
+            status: self.handle.response_code()?,
+            headers,
+            body
+        })
+    }
+}
+
+/// Provide a data chunk potentially larger than cURL's initial write
+/// buffer to the data reading callback by tracking the offset off
+/// already written data.
+///
+/// As we manually set the expected upload size, cURL will call the
+/// read callback repeatedly until it has all the data it needs.
+fn chunked_read_function<'easy, 'data>(transfer: &mut Transfer<'easy, 'data>,
+                                       data: &'data [u8]) -> Result<(), curl::Error> {
+    let mut data = data;
+
+    transfer.read_function(move |mut into| {
+        let written = into.write(data)
+            .map_err(|_| ReadError::Abort)?;
+
+        data = &data[written..];
+
+        Ok(written)
+    })
+}
+
+impl <T> Response<T> {
+    /// Check whether the status code of this HTTP response is a
+    /// success (i.e. in the 200-299 range).
+    pub fn is_success(&self) -> bool {
+        self.status >= 200 && self.status < 300
+    }
+
+    /// Check whether a request succeeded using `Request::is_success`
+    /// and let users provide a closure that creates a custom error
+    /// from the request if it did not.
+    ///
+    /// This function exists for convenience to avoid having to write
+    /// repetitive `if !response.is_success() { ... }` blocks.
+    pub fn error_for_status<F, E>(self, closure: F) -> Result<Self, E>
+    where F: FnOnce(Self) -> E {
+        if !self.is_success() {
+            return Err(closure(self))
+        }
+
+        Ok(self)
+    }
+}
+
+impl Response<Vec<u8>> {
+    /// Attempt to parse the HTTP response body as a UTF-8 encoded
+    /// string.
+    pub fn as_string(self) -> Result<Response<String>, FromUtf8Error> {
+        let body = String::from_utf8(self.body)?;
+
+        Ok(Response {
+            body,
+            status: self.status,
+            headers: self.headers,
+        })
+    }
+
+    /// Attempt to deserialize the HTTP response body from JSON.
+    #[cfg(feature = "json")]
+    pub fn as_json<T: DeserializeOwned>(self) -> Result<Response<T>, serde_json::Error> {
+        let deserialized = serde_json::from_slice(&self.body)?;
+
+        Ok(Response {
+            body: deserialized,
+            status: self.status,
+            headers: self.headers,
+        })
+    }
+}
diff --git a/net/crimp/src/tests.rs b/net/crimp/src/tests.rs
new file mode 100644
index 000000000000..6c2bc4f5b37a
--- /dev/null
+++ b/net/crimp/src/tests.rs
@@ -0,0 +1,152 @@
+// All tests expect an httpbin instance to be available at
+// `http://localhost:4662`.
+//
+// This is easily spun up using Docker by running:
+//
+//    docker run --rm -p 4662:80 kennethreitz/httpbin
+
+use super::*;
+use serde_json::{Value, json};
+
+// These tests check whether the correct HTTP method is used in the
+// requests.
+
+#[test]
+fn test_http_get() {
+    let resp = Request::get("http://127.0.0.1:4662/get")
+        .send().expect("failed to send request");
+
+    assert!(resp.is_success(), "request should have succeeded");
+}
+
+#[test]
+fn test_http_delete() {
+    let resp = Request::delete("http://127.0.0.1:4662/delete")
+        .send().expect("failed to send request");
+
+    assert_eq!(200, resp.status, "response status should be 200 OK");
+}
+
+#[test]
+fn test_http_put() {
+    let resp = Request::put("http://127.0.0.1:4662/put")
+        .send().expect("failed to send request");
+
+    assert_eq!(200, resp.status, "response status should be 200 OK");
+}
+
+#[test]
+fn test_http_patch() {
+    let resp = Request::patch("http://127.0.0.1:4662/patch")
+        .send().expect("failed to send request");
+
+    assert_eq!(200, resp.status, "response status should be 200 OK");
+}
+
+// These tests perform various requests with different body payloads
+// and verify that those were received correctly by the remote side.
+
+#[test]
+fn test_http_post() {
+    let body = "test body";
+    let response = Request::post("http://127.0.0.1:4662/post")
+        .user_agent("crimp test suite").expect("failed to set user-agent")
+        .timeout(Duration::from_secs(5)).expect("failed to set request timeout")
+        .body("text/plain", &body.as_bytes())
+        .send().expect("failed to send request")
+        .as_json::<Value>().expect("failed to deserialize response");
+
+    let data = response.body;
+
+    assert_eq!(200, response.status, "response status should be 200 OK");
+
+    assert_eq!(data.get("data").unwrap(), &json!("test body"),
+               "test body should have been POSTed");
+
+    assert_eq!(
+        data.get("headers").unwrap().get("Content-Type").unwrap(),
+        &json!("text/plain"),
+        "Content-Type should be `text/plain`",
+    );
+}
+
+#[cfg(feature = "json")] #[test]
+fn test_http_post_json() {
+    let body = json!({
+        "purpose": "testing!"
+    });
+
+    let response = Request::post("http://127.0.0.1:4662/post")
+        .user_agent("crimp test suite").expect("failed to set user-agent")
+        .timeout(Duration::from_secs(5)).expect("failed to set request timeout")
+        .json(&body).expect("request serialization failed")
+        .send().expect("failed to send request")
+        .as_json::<Value>().expect("failed to deserialize response");
+
+
+    let data = response.body;
+
+    assert_eq!(200, response.status, "response status should be 200 OK");
+
+    assert_eq!(data.get("json").unwrap(), &body,
+               "test body should have been POSTed");
+
+    assert_eq!(
+        data.get("headers").unwrap().get("Content-Type").unwrap(),
+        &json!("application/json"),
+        "Content-Type should be `application/json`",
+    );
+}
+
+// Tests for different authentication methods that are supported
+// out-of-the-box:
+
+#[test]
+fn test_bearer_auth() {
+    let response = Request::get("http://127.0.0.1:4662/bearer")
+        .bearer_auth("some-token").expect("failed to set auth header")
+        .send().expect("failed to send request");
+
+    assert!(response.is_success(), "authorized request should succeed");
+}
+
+#[test]
+fn test_basic_auth() {
+    let request = Request::get("http://127.0.0.1:4662/basic-auth/alan_watts/oneness");
+
+    let response = request
+        .basic_auth("alan_watts", "oneness").expect("failed to set auth header")
+        .send().expect("failed to send request");
+
+    assert!(response.is_success(), "authorized request should succeed");
+}
+
+#[test]
+fn test_large_body() {
+    // By default cURL buffers seem to be 2^16 bytes in size. The test
+    // size is therefore 2^16+1.
+    const BODY_SIZE: usize = 65537;
+
+    let resp = Request::post("http://127.0.0.1:4662/post")
+        .body("application/octet-stream", &[0; BODY_SIZE])
+        .send().expect("sending request")
+        .as_json::<Value>().expect("JSON deserialisation");
+
+    // httpbin returns the uploaded data as a string in the `data`
+    // field.
+    let data = resp.body.get("data").unwrap().as_str().unwrap();
+
+    assert_eq!(BODY_SIZE, data.len(), "uploaded data length should be correct");
+}
+
+// Tests for various other features.
+
+#[test]
+fn test_error_for_status() {
+    let response = Request::get("http://127.0.0.1:4662/patch")
+        .send().expect("failed to send request")
+        .error_for_status(|resp| format!("Response error code: {}", resp.status));
+
+    assert_eq!(Err("Response error code: 405".into()), response,
+               "returned error should be converted into Result::Err");
+}