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#![allow(unused_extern_crates)]
extern crate tokio_core;
extern crate native_tls;
extern crate hyper_tls;
extern crate openssl;
extern crate mime;
extern crate chrono;
extern crate url;
{{#apiHasFile}}extern crate multipart;{{/apiHasFile}}
{{#usesUrlEncodedForm}}extern crate serde_urlencoded;{{/usesUrlEncodedForm}}
{{#apiUsesUuid}}use uuid;{{/apiUsesUuid}}
{{#apiHasFile}}use self::multipart::client::lazy::Multipart;{{/apiHasFile}}
use hyper;
use hyper::header::{Headers, ContentType};
use hyper::Uri;
use self::url::percent_encoding::{utf8_percent_encode, PATH_SEGMENT_ENCODE_SET, QUERY_ENCODE_SET};
use futures;
use futures::{Future, Stream};
use futures::{future, stream};
use self::tokio_core::reactor::Handle;
use std::borrow::Cow;
use std::io::{Read, Error, ErrorKind};
use std::error;
use std::fmt;
use std::path::Path;
use std::sync::Arc;
use std::str;
use std::str::FromStr;
use mimetypes;
use serde_json;
{{#usesXml}}use serde_xml_rs;{{/usesXml}}
#[allow(unused_imports)]
use std::collections::{HashMap, BTreeMap};
#[allow(unused_imports)]
use swagger;
use swagger::{ApiError, XSpanId, XSpanIdString, Has, AuthData};
use {Api{{#apiInfo}}{{#apis}}{{#operations}}{{#operation}},
{{operationId}}Response{{/operation}}{{/operations}}{{/apis}}{{/apiInfo}}
};
use models;
/// Convert input into a base path, e.g. "http://example:123". Also checks the scheme as it goes.
fn into_base_path(input: &str, correct_scheme: Option<&'static str>) -> Result {
// First convert to Uri, since a base path is a subset of Uri.
let uri = Uri::from_str(input)?;
let scheme = uri.scheme().ok_or(ClientInitError::InvalidScheme)?;
// Check the scheme if necessary
if let Some(correct_scheme) = correct_scheme {
if scheme != correct_scheme {
return Err(ClientInitError::InvalidScheme);
}
}
let host = uri.host().ok_or_else(|| ClientInitError::MissingHost)?;
let port = uri.port().map(|x| format!(":{}", x)).unwrap_or_default();
Ok(format!("{}://{}{}", scheme, host, port))
}
/// A client that implements the API by making HTTP calls out to a server.
#[derive(Clone)]
pub struct Client {
hyper_client: Arc, Response=hyper::Response, Error=hyper::Error, Future=hyper::client::FutureResponse>>>,
base_path: String,
}
impl fmt::Debug for Client {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Client {{ base_path: {} }}", self.base_path)
}
}
impl Client {
/// Create an HTTP client.
///
/// # Arguments
/// * `handle` - tokio reactor handle to use for execution
/// * `base_path` - base path of the client API, i.e. "www.my-api-implementation.com"
pub fn try_new_http(handle: Handle, base_path: &str) -> Result {
let http_connector = swagger::http_connector();
Self::try_new_with_connector::(
handle,
base_path,
Some("http"),
http_connector,
)
}
/// Create a client with a TLS connection to the server.
///
/// # Arguments
/// * `handle` - tokio reactor handle to use for execution
/// * `base_path` - base path of the client API, i.e. "www.my-api-implementation.com"
/// * `ca_certificate` - Path to CA certificate used to authenticate the server
pub fn try_new_https(
handle: Handle,
base_path: &str,
ca_certificate: CA,
) -> Result
where
CA: AsRef,
{
let https_connector = swagger::https_connector(ca_certificate);
Self::try_new_with_connector::>(
handle,
base_path,
Some("https"),
https_connector,
)
}
/// Create a client with a mutually authenticated TLS connection to the server.
///
/// # Arguments
/// * `handle` - tokio reactor handle to use for execution
/// * `base_path` - base path of the client API, i.e. "www.my-api-implementation.com"
/// * `ca_certificate` - Path to CA certificate used to authenticate the server
/// * `client_key` - Path to the client private key
/// * `client_certificate` - Path to the client's public certificate associated with the private key
pub fn try_new_https_mutual(
handle: Handle,
base_path: &str,
ca_certificate: CA,
client_key: K,
client_certificate: C,
) -> Result
where
CA: AsRef,
K: AsRef,
C: AsRef,
{
let https_connector =
swagger::https_mutual_connector(ca_certificate, client_key, client_certificate);
Self::try_new_with_connector::>(
handle,
base_path,
Some("https"),
https_connector,
)
}
/// Create a client with a custom implementation of hyper::client::Connect.
///
/// Intended for use with custom implementations of connect for e.g. protocol logging
/// or similar functionality which requires wrapping the transport layer. When wrapping a TCP connection,
/// this function should be used in conjunction with
/// `swagger::{http_connector, https_connector, https_mutual_connector}`.
///
/// For ordinary tcp connections, prefer the use of `try_new_http`, `try_new_https`
/// and `try_new_https_mutual`, to avoid introducing a dependency on the underlying transport layer.
///
/// # Arguments
///
/// * `handle` - tokio reactor handle to use for execution
/// * `base_path` - base path of the client API, i.e. "www.my-api-implementation.com"
/// * `protocol` - Which protocol to use when constructing the request url, e.g. `Some("http")`
/// * `connector_fn` - Function which returns an implementation of `hyper::client::Connect`
pub fn try_new_with_connector(
handle: Handle,
base_path: &str,
protocol: Option<&'static str>,
connector_fn: Box C + Send + Sync>,
) -> Result
where
C: hyper::client::Connect + hyper::client::Service,
{
let connector = connector_fn(&handle);
let hyper_client = Box::new(hyper::Client::configure().connector(connector).build(
&handle,
));
Ok(Client {
hyper_client: Arc::new(hyper_client),
base_path: into_base_path(base_path, protocol)?,
})
}
/// Constructor for creating a `Client` by passing in a pre-made `hyper` client.
///
/// One should avoid relying on this function if possible, since it adds a dependency on the underlying transport
/// implementation, which it would be better to abstract away. Therefore, using this function may lead to a loss of
/// code generality, which may make it harder to move the application to a serverless environment, for example.
///
/// The reason for this function's existence is to support legacy test code, which did mocking at the hyper layer.
/// This is not a recommended way to write new tests. If other reasons are found for using this function, they
/// should be mentioned here.
pub fn try_new_with_hyper_client(hyper_client: Arc, Response=hyper::Response, Error=hyper::Error, Future=hyper::client::FutureResponse>>>,
handle: Handle,
base_path: &str)
-> Result
{
Ok(Client {
hyper_client: hyper_client,
base_path: into_base_path(base_path, None)?,
})
}
}
impl Api for Client where C: Has {{#hasAuthMethods}}+ Has>{{/hasAuthMethods}}{
{{#apiInfo}}{{#apis}}{{#operations}}{{#operation}}
fn {{#vendorExtensions}}{{operation_id}}{{/vendorExtensions}}(&self{{#allParams}}, param_{{paramName}}: {{^required}}{{#isFile}}Box{{#isFile}}, Error=Error> + Send>{{/isFile}}{{/required}}{{/allParams}}, context: &C) -> Box> {
{{#queryParams}}{{#-first}}
// Query parameters
{{/-first}}{{#required}} let query_{{paramName}} = format!("{{baseName}}={{=<% %>=}}{<% paramName %>}<%={{ }}=%>&", {{paramName}}=param_{{paramName}}{{#isListContainer}}.join(","){{/isListContainer}}{{^isListContainer}}.to_string(){{/isListContainer}});
{{/required}}{{^required}} let query_{{paramName}} = param_{{paramName}}.map_or_else(String::new, |query| format!("{{baseName}}={{=<% %>=}}{<% paramName %>}<%={{ }}=%>&", {{paramName}}=query{{#isListContainer}}.join(","){{/isListContainer}}{{^isListContainer}}.to_string(){{/isListContainer}}));
{{/required}}{{/queryParams}}
let uri = format!(
"{}{{basePathWithoutHost}}{{path}}{{#queryParams}}{{#-first}}?{{/-first}}{{=<% %>=}}{<% paramName %>}<%={{ }}=%>{{/queryParams}}",
self.base_path{{#pathParams}}, {{baseName}}=utf8_percent_encode(¶m_{{paramName}}.to_string(), PATH_SEGMENT_ENCODE_SET){{/pathParams}}{{#queryParams}},
{{paramName}}=utf8_percent_encode(&query_{{paramName}}, QUERY_ENCODE_SET){{/queryParams}}
);
let uri = match Uri::from_str(&uri) {
Ok(uri) => uri,
Err(err) => return Box::new(futures::done(Err(ApiError(format!("Unable to build URI: {}", err))))),
};
let mut request = hyper::Request::new(hyper::Method::{{#vendorExtensions}}{{HttpMethod}}{{/vendorExtensions}}, uri);
{{#vendorExtensions}}{{#hasFile}} // Form data body
let mut multipart = Multipart::new();
// Helper function to convert a Stream into a String. The String can then be used to build the HTTP body.
fn convert_stream_to_string(stream: Box, Error=Error> + Send>) -> Result {
stream.concat2()
.wait()
.map_err(|e| ApiError(format!("Unable to collect stream: {}", e)))
.and_then(|body| String::from_utf8(body)
.map_err(|e| ApiError(format!("Failed to convert utf8 stream to String: {}", e))))
}{{/hasFile}}{{/vendorExtensions}}{{#formParams}}{{#isFile}}
{{^required}} if let Ok(Some(param_{{paramName}})) = param_{{paramName}}.wait() { {{/required}}
{{^required}} {{/required}} match convert_stream_to_string(param_{{paramName}}) {
{{^required}} {{/required}} Ok(param_{{paramName}}) => {
// Add file to multipart form.
multipart.add_text("{{paramName}}", param_{{paramName}});
},
{{^required}} {{/required}} Err(err) => return Box::new(futures::done(Err(err))),
{{^required}} {{/required}} }
{{^required}}}{{/required}}{{/isFile}}{{/formParams}}{{#vendorExtensions}}{{#hasFile}}
let mut fields = match multipart.prepare() {
Ok(fields) => fields,
Err(err) => return Box::new(futures::done(Err(ApiError(format!("Unable to build request: {}", err))))),
};
let mut body_string = String::new();
let body = fields.to_body().read_to_string(&mut body_string);
let boundary = fields.boundary();
let multipart_header = match mime::Mime::from_str(&format!("multipart/form-data;boundary={}", boundary)) {
Ok(multipart_header) => multipart_header,
Err(err) => return Box::new(futures::done(Err(ApiError(format!("Unable to build multipart header: {:?}", err))))),
};{{/hasFile}}{{^hasFile}}{{#formParams}}{{#-first}} let params = &[{{/-first}}
("{{baseName}}", {{#vendorExtensions}}{{#required}}Some({{#isString}}param_{{paramName}}{{/isString}}{{^isString}}format!("{:?}", param_{{paramName}}){{/isString}}){{/required}}{{^required}}{{#isString}}param_{{paramName}}{{/isString}}{{^isString}}param_{{paramName}}.map(|param| format!("{:?}", param)){{/isString}}{{/required}}),{{/vendorExtensions}}{{#-last}}
];
let body = serde_urlencoded::to_string(params).expect("impossible to fail to serialize");
request.headers_mut().set(ContentType(mimetypes::requests::{{#vendorExtensions}}{{uppercase_operation_id}}{{/vendorExtensions}}.clone()));
request.set_body(body.into_bytes());{{/-last}}{{/formParams}}{{/hasFile}}{{/vendorExtensions}}{{#bodyParam}}{{#-first}}
// Body parameter
{{/-first}}{{#vendorExtensions}}{{#required}}{{#consumesPlainText}} let body = param_{{paramName}};{{/consumesPlainText}}{{#consumesXml}}
{{^has_namespace}} let body = serde_xml_rs::to_string(¶m_{{paramName}}).expect("impossible to fail to serialize");{{/has_namespace}}{{#has_namespace}}
let mut namespaces = BTreeMap::new();
// An empty string is used to indicate a global namespace in xmltree.
namespaces.insert("".to_string(), models::namespaces::{{uppercase_data_type}}.clone());
let body = serde_xml_rs::to_string_with_namespaces(¶m_{{paramName}}, namespaces).expect("impossible to fail to serialize");{{/has_namespace}}{{/consumesXml}}{{#consumesJson}}
let body = serde_json::to_string(¶m_{{paramName}}).expect("impossible to fail to serialize");{{/consumesJson}}
{{/required}}{{^required}}{{#consumesPlainText}} let body = param_{{paramName}};
{{/consumesPlainText}}{{^consumesPlainText}} let body = param_{{paramName}}.map(|ref body| {
{{#consumesXml}}
{{^has_namespace}} serde_xml_rs::to_string(body).expect("impossible to fail to serialize"){{/has_namespace}}{{#has_namespace}}
let mut namespaces = BTreeMap::new();
// An empty string is used to indicate a global namespace in xmltree.
namespaces.insert("".to_string(), models::namespaces::{{uppercase_data_type}}.clone());
serde_xml_rs::to_string_with_namespaces(body, namespaces).expect("impossible to fail to serialize"){{/has_namespace}}{{/consumesXml}}{{#consumesJson}}
serde_json::to_string(body).expect("impossible to fail to serialize"){{/consumesJson}}
});{{/consumesPlainText}}{{/required}}{{/vendorExtensions}}{{/bodyParam}}
{{#bodyParam}}{{^required}}if let Some(body) = body {
{{/required}} request.set_body(body.into_bytes());
{{^required}} }{{/required}}
request.headers_mut().set(ContentType(mimetypes::requests::{{#vendorExtensions}}{{uppercase_operation_id}}{{/vendorExtensions}}.clone()));
{{/bodyParam}}
request.headers_mut().set(XSpanId((context as &Has).get().0.clone()));
{{#authMethods}}{{#isBasic}} (context as &Has>).get().as_ref().map(|auth_data| {
if let &AuthData::Basic(ref basic_header) = auth_data {
request.headers_mut().set(hyper::header::Authorization(
basic_header.clone(),
))
}
});{{/isBasic}}{{/authMethods}}{{#headerParams}}{{#-first}}
// Header parameters
{{/-first}}{{^isMapContainer}} header! { (Request{{vendorExtensions.typeName}}, "{{baseName}}") => {{#isListContainer}}({{{baseType}}})*{{/isListContainer}}{{^isListContainer}}[{{{dataType}}}]{{/isListContainer}} }
{{#required}} request.headers_mut().set(Request{{vendorExtensions.typeName}}(param_{{paramName}}{{#isListContainer}}.clone(){{/isListContainer}}));
{{/required}}{{^required}} param_{{paramName}}.map(|header| request.headers_mut().set(Request{{vendorExtensions.typeName}}(header{{#isListContainer}}.clone(){{/isListContainer}})));
{{/required}}{{/isMapContainer}}{{#isMapContainer}} let param_{{paramName}}: Option<{{{dataType}}}> = None;
{{/isMapContainer}}{{/headerParams}}
{{#vendorExtensions}}{{#hasFile}}
request.headers_mut().set(ContentType(multipart_header));
request.set_body(body_string.into_bytes());
{{/hasFile}}{{/vendorExtensions}}
Box::new(self.hyper_client.call(request)
.map_err(|e| ApiError(format!("No response received: {}", e)))
.and_then(|mut response| {
match response.status().as_u16() {
{{#responses}}
{{code}} => {
{{#headers}} header! { (Response{{nameInCamelCase}}, "{{baseName}}") => [{{{dataType}}}] }
let response_{{name}} = match response.headers().get::() {
Some(response_{{name}}) => response_{{name}}.0.clone(),
None => return Box::new(future::err(ApiError(String::from("Required response header {{baseName}} for response {{code}} was not found.")))) as Box>,
};
{{/headers}}
{{^isFile}}let body = response.body();{{/isFile}}{{#isFile}}let body = Box::new(response.body()
.map(|chunk| chunk.to_vec())
.map_err(|_|
Error::new(ErrorKind::Other, "Received error reading response.")
));{{/isFile}}
Box::new(
{{#dataType}}{{^isFile}}
body
.concat2()
.map_err(|e| ApiError(format!("Failed to read response: {}", e)))
.and_then(|body| str::from_utf8(&body)
.map_err(|e| ApiError(format!("Response was not valid UTF8: {}", e)))
.and_then(|body|
{{#vendorExtensions}}{{#producesXml}}
// ToDo: this will move to swagger-rs and become a standard From conversion trait
// once https://github.com/RReverser/serde-xml-rs/pull/45 is accepted upstream
serde_xml_rs::from_str::<{{{dataType}}}>(body)
.map_err(|e| ApiError(format!("Response body did not match the schema: {}", e)))
{{/producesXml}}{{#producesJson}}
serde_json::from_str::<{{{dataType}}}>(body)
.map_err(|e| e.into())
{{/producesJson}}{{#producesPlainText}}
Ok(body.to_string())
{{/producesPlainText}}{{/vendorExtensions}}
))
.map(move |body|
{{/isFile}}{{#isFile}}
future::ok(
{{/isFile}}
{{operationId}}Response::{{#vendorExtensions}}{{x-responseId}}{{/vendorExtensions}}{{^headers}}(body){{/headers}}{{#headers}}{{#-first}}{ body: body, {{/-first}}{{name}}: response_{{name}}{{^-last}}, {{/-last}}{{#-last}} }{{/-last}}{{/headers}}
)
{{/dataType}}{{^dataType}}
future::ok(
{{operationId}}Response::{{#vendorExtensions}}{{x-responseId}}{{/vendorExtensions}}{{#headers}}{{#-first}}{ {{/-first}}{{^-first}}, {{/-first}}{{name}}: response_{{name}}{{#-last}} }{{/-last}}{{/headers}}
)
{{/dataType}}
) as Box>
},
{{/responses}}
code => {
let headers = response.headers().clone();
Box::new(response.body()
.take(100)
.concat2()
.then(move |body|
future::err(ApiError(format!("Unexpected response code {}:\n{:?}\n\n{}",
code,
headers,
match body {
Ok(ref body) => match str::from_utf8(body) {
Ok(body) => Cow::from(body),
Err(e) => Cow::from(format!("", e)),
},
Err(e) => Cow::from(format!("", e)),
})))
)
) as Box>
}
}
}))
}
{{/operation}}{{/operations}}{{/apis}}{{/apiInfo}}
}
#[derive(Debug)]
pub enum ClientInitError {
InvalidScheme,
InvalidUri(hyper::error::UriError),
MissingHost,
SslError(openssl::error::ErrorStack)
}
impl From for ClientInitError {
fn from(err: hyper::error::UriError) -> ClientInitError {
ClientInitError::InvalidUri(err)
}
}
impl From for ClientInitError {
fn from(err: openssl::error::ErrorStack) -> ClientInitError {
ClientInitError::SslError(err)
}
}
impl fmt::Display for ClientInitError {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
(self as &fmt::Debug).fmt(f)
}
}
impl error::Error for ClientInitError {
fn description(&self) -> &str {
"Failed to produce a hyper client."
}
}
