Initial commit

backend/src/s3.rs

@@ -0,0 +1,38 @@
+use anyhow::Result;
+use aws_config::meta::region::RegionProviderChain;
+use aws_credential_types::Credentials;
+use aws_sdk_s3::{
+    config::{Builder as S3ConfigBuilder, Region},
+    Client as S3Client,
+};
+
+use crate::config::AppConfig;
+
+pub async fn build_client(config: &AppConfig) -> Result<S3Client> {
+    let region = Region::new(config.aws_region.clone());
+    let region_provider = RegionProviderChain::first_try(Some(region))
+        .or_default_provider()
+        .or_else("us-east-1");
+
+    #[allow(deprecated)]
+    let mut loader = aws_config::from_env().region(region_provider);
+
+    if let Some(endpoint) = &config.aws_endpoint_url {
+        loader = loader.endpoint_url(endpoint);
+    }
+
+    if let (Some(access_key), Some(secret_key)) = (
+        config.aws_access_key_id.clone(),
+        config.aws_secret_access_key.clone(),
+    ) {
+        let credentials = Credentials::new(access_key, secret_key, None, None, "static");
+        loader = loader.credentials_provider(credentials);
+    }
+
+    let base_config = loader.load().await;
+    let s3_config = S3ConfigBuilder::from(&base_config)
+        .force_path_style(true)
+        .build();
+
+    Ok(S3Client::from_conf(s3_config))
+}