diff --git a/Cargo.toml b/Cargo.toml index 6efbd2b3..cf551c82 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -18,6 +18,7 @@ members = [ "juniper", "middleware", "multipart", + "multipart-async-std", "openssl", # "protobuf", "r2d2", diff --git a/multipart-async-std/.gitignore b/multipart-async-std/.gitignore new file mode 100644 index 00000000..8d2901e1 --- /dev/null +++ b/multipart-async-std/.gitignore @@ -0,0 +1,3 @@ +/target +**/*.rs.bk +/tmp diff --git a/multipart-async-std/Cargo.toml b/multipart-async-std/Cargo.toml new file mode 100644 index 00000000..10d543cd --- /dev/null +++ b/multipart-async-std/Cargo.toml @@ -0,0 +1,17 @@ +[package] +name = "multipart-async-std-example" +version = "0.3.0" +authors = ["Bevan Hunt "] +edition = "2018" +license = "MIT" +description = "Simple file uploader in Actix Web with Async/Await" +keywords = ["actix", "actix-web", "multipart"] +repository = "https://github.com/actix/examples" +readme = "README.md" + +[dependencies] +futures = "0.3.1" +actix-multipart = "0.2.0" +actix-web = "2.0.0" +actix-rt = "1.0.0" +async-std = "1.4.0" diff --git a/multipart-async-std/LICENSE b/multipart-async-std/LICENSE new file mode 100644 index 00000000..5a59c7c6 --- /dev/null +++ b/multipart-async-std/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) [2019] [Bevan Hunt] + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/multipart-async-std/README.md b/multipart-async-std/README.md new file mode 100644 index 00000000..edaf171c --- /dev/null +++ b/multipart-async-std/README.md @@ -0,0 +1,11 @@ +# Actix Web File Upload with Async/Await + +### Run + +``` open web browser to localhost:3000 and upload file(s) ``` + +### Result + +``` file(s) will show up in ./tmp in the same directory as the running process ``` + +Note: this is a naive implementation and will panic on any error diff --git a/multipart-async-std/src/main.rs b/multipart-async-std/src/main.rs new file mode 100644 index 00000000..1c392d37 --- /dev/null +++ b/multipart-async-std/src/main.rs @@ -0,0 +1,59 @@ +use actix_multipart::Multipart; +use actix_web::{middleware, web, App, Error, HttpResponse, HttpServer}; +use async_std::prelude::*; +use futures::StreamExt; + +async fn save_file(mut payload: Multipart) -> Result { + // iterate over multipart stream + while let Some(item) = payload.next().await { + let mut field = item?; + let content_type = field + .content_disposition() + .ok_or_else(|| actix_web::error::ParseError::Incomplete)?; + let filename = content_type + .get_filename() + .ok_or_else(|| actix_web::error::ParseError::Incomplete)?; + let filepath = format!("./tmp/{}", filename); + let mut f = async_std::fs::File::create(filepath).await?; + + // Field in turn is stream of *Bytes* object + while let Some(chunk) = field.next().await { + let data = chunk.unwrap(); + f.write_all(&data).await?; + } + } + Ok(HttpResponse::Ok().into()) +} + +fn index() -> HttpResponse { + let html = r#" + Upload Test + +
+ + +
+ + "#; + + HttpResponse::Ok().body(html) +} + +#[actix_rt::main] +async fn main() -> std::io::Result<()> { + std::env::set_var("RUST_LOG", "actix_server=info,actix_web=info"); + async_std::fs::create_dir_all("./tmp").await?; + + let ip = "0.0.0.0:3000"; + + HttpServer::new(|| { + App::new().wrap(middleware::Logger::default()).service( + web::resource("/") + .route(web::get().to(index)) + .route(web::post().to(save_file)), + ) + }) + .bind(ip)? + .run() + .await +}