Created
May 8, 2017 20:00
-
-
Save anonymous/82742b0ebd011a5a2a60ff2b9c14f600 to your computer and use it in GitHub Desktop.
Shared via Rust Playground
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#[macro_use] | |
extern crate hyper; | |
extern crate reqwest; | |
use reqwest; | |
use std::io::Read; | |
header! { (ContentType, "Content-Type") => [String] } | |
header! { (ContentLength, "Content-Length") => [usize] } | |
pub trait MultipartFile { | |
fn name(&self) -> String; | |
fn as_bytes(&self) -> Vec<u8>; | |
fn len(&self) -> usize; | |
} | |
struct MyUpload { | |
pub name: String, | |
pub data: Vec<u8>, | |
} | |
impl MultipartFile for MyUpload { | |
fn name(&self) -> String { | |
self.name.clone() | |
} | |
fn as_bytes(&self) -> Vec<u8> { | |
self.data.clone() | |
} | |
fn len(&self) -> usize { | |
self.data.len() | |
} | |
} | |
fn main() { | |
let s = MyUpload { | |
data: Vec::new(), | |
name: "my_upload.txt".to_string(), | |
}; | |
let uploads = vec![s]; | |
let client = ::reqwest::Client::new().unwrap(); | |
let (multipart_body, content_length) = multipart_for_binary(uploads.as_ref()); | |
let request = client.request(reqwest::Method::Post, "https://domain.local/my_endpoint") | |
.body(multipart_body) | |
.header(ContentType(format!("multipart/form-data; boundary=MULTIPARTBINARY"))) | |
.header(ContentLength(content_length)); | |
let mut result = match request.send() { | |
Ok(result) => result, | |
Err(err) => { | |
println!("error: {}", err); | |
return; | |
} | |
}; | |
println!("response received"); | |
match result.status() { | |
&::reqwest::StatusCode::Ok => println!("OK"), | |
&::reqwest::StatusCode::Created => println!("Created"), | |
&::reqwest::StatusCode::Unauthorized => println!("Unauthorized"), | |
&::reqwest::StatusCode::BadRequest => println!("Bad request"), | |
_ => { | |
let mut response = String::new(); | |
match result.read_to_string(&mut response) { | |
Ok(_) => { | |
println!("unexpected response (code HTTP{}): {}", result.status(), &response) | |
}, | |
Err(err) => { | |
println!("unexpected response (code HTTP{}), unable to read response: {}", result.status(), err) | |
} | |
}; | |
}, | |
} | |
} | |
fn multipart_for_binary<T>(items: &[T]) -> (Vec<u8>, usize) where T: MultipartFile { | |
let mut body = Vec::new(); | |
let rn = b"\r\n"; | |
let body_boundary = br"--MULTIPARTBINARY"; | |
let end_boundary = br"--MULTIPARTBINARY--"; | |
let enc = br"Content-Transfer-Encoding: binary"; | |
let field_name = match items.len() { | |
1 => "file", | |
_ => "files", | |
}; | |
body.extend(rn); | |
body.extend(rn); | |
for item in items { | |
let name = item.name(); | |
let data = item.as_bytes(); | |
let disp = format!("Content-Disposition: form-data; name=\"{}\"; filename=\"{}\"", field_name, name); | |
let content_type = br"Content-Type: application/octet-stream"; | |
body.extend(body_boundary.as_ref()); | |
body.extend(rn); | |
body.extend(disp.as_bytes()); | |
body.extend(rn); | |
body.extend(content_type.as_ref()); | |
body.extend(rn); | |
body.extend(enc.as_ref()); | |
body.extend(rn); | |
body.extend(rn); | |
body.extend(data.as_slice()); | |
body.extend(rn); | |
} | |
body.extend(end_boundary.as_ref()); | |
body.extend(rn); | |
body.extend(rn); | |
let content_length = body.len(); | |
(body, content_length) | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment