2019-01-01 19:58:40 -05:00
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// Copyright 2018-2019 the Deno authors. All rights reserved. MIT license.
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2018-11-02 20:09:10 -04:00
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// Helpers for serialization.
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2019-01-14 01:30:38 -05:00
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use crate::errors;
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use crate::errors::DenoResult;
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use crate::msg;
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2018-11-02 20:09:10 -04:00
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use flatbuffers;
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2018-11-14 20:36:34 -05:00
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use http::header::HeaderName;
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use http::uri::Uri;
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use http::Method;
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use hyper::header::HeaderMap;
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use hyper::header::HeaderValue;
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use hyper::Body;
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use hyper::Request;
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use hyper::Response;
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use std::str::FromStr;
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type Headers = HeaderMap<HeaderValue>;
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2018-11-02 20:09:10 -04:00
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pub fn serialize_key_value<'bldr>(
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builder: &mut flatbuffers::FlatBufferBuilder<'bldr>,
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key: &str,
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value: &str,
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) -> flatbuffers::WIPOffset<msg::KeyValue<'bldr>> {
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let key = builder.create_string(&key);
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let value = builder.create_string(&value);
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msg::KeyValue::create(
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builder,
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&msg::KeyValueArgs {
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key: Some(key),
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value: Some(value),
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2018-11-14 20:36:34 -05:00
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},
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)
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}
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pub fn serialize_request_header<'bldr>(
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builder: &mut flatbuffers::FlatBufferBuilder<'bldr>,
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r: &Request<Body>,
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) -> flatbuffers::WIPOffset<msg::HttpHeader<'bldr>> {
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let method = builder.create_string(r.method().as_str());
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let url = builder.create_string(r.uri().to_string().as_ref());
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let mut fields = Vec::new();
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for (key, val) in r.headers().iter() {
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let kv = serialize_key_value(builder, key.as_ref(), val.to_str().unwrap());
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fields.push(kv);
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}
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let fields = builder.create_vector(fields.as_ref());
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msg::HttpHeader::create(
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builder,
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&msg::HttpHeaderArgs {
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is_request: true,
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method: Some(method),
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url: Some(url),
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fields: Some(fields),
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..Default::default()
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},
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)
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}
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pub fn serialize_fields<'bldr>(
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builder: &mut flatbuffers::FlatBufferBuilder<'bldr>,
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headers: &Headers,
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) -> flatbuffers::WIPOffset<
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flatbuffers::Vector<
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'bldr,
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flatbuffers::ForwardsUOffset<msg::KeyValue<'bldr>>,
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>,
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> {
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let mut fields = Vec::new();
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for (key, val) in headers.iter() {
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let kv = serialize_key_value(builder, key.as_ref(), val.to_str().unwrap());
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fields.push(kv);
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}
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2018-11-30 03:30:49 -05:00
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builder.create_vector(fields.as_ref())
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2018-11-14 20:36:34 -05:00
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}
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// Not to be confused with serialize_response which has nothing to do with HTTP.
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pub fn serialize_http_response<'bldr>(
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builder: &mut flatbuffers::FlatBufferBuilder<'bldr>,
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r: &Response<Body>,
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) -> flatbuffers::WIPOffset<msg::HttpHeader<'bldr>> {
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let status = r.status().as_u16();
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let fields = serialize_fields(builder, r.headers());
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msg::HttpHeader::create(
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builder,
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&msg::HttpHeaderArgs {
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is_request: false,
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status,
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fields: Some(fields),
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..Default::default()
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2018-11-02 20:09:10 -04:00
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},
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)
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}
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2018-11-14 20:36:34 -05:00
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pub fn deserialize_request(
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header_msg: msg::HttpHeader<'_>,
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body: Body,
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) -> DenoResult<Request<Body>> {
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let mut r = Request::new(body);
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2018-11-30 03:30:49 -05:00
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assert!(header_msg.is_request());
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2018-11-30 03:30:49 -05:00
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let u = header_msg.url().unwrap();
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let u = Uri::from_str(u)
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.map_err(|e| errors::new(msg::ErrorKind::InvalidUri, e.to_string()))?;
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*r.uri_mut() = u;
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if let Some(method) = header_msg.method() {
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let method = Method::from_str(method).unwrap();
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*r.method_mut() = method;
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}
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if let Some(fields) = header_msg.fields() {
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let headers = r.headers_mut();
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for i in 0..fields.len() {
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let kv = fields.get(i);
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let key = kv.key().unwrap();
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let name = HeaderName::from_bytes(key.as_bytes()).unwrap();
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let value = kv.value().unwrap();
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let v = HeaderValue::from_str(value).unwrap();
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headers.insert(name, v);
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}
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}
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2018-12-21 04:47:09 -05:00
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Ok(r)
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2018-11-14 20:36:34 -05:00
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}
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