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use url::{ParseError, Url}; use crate::signing::util::percent_encode_path; #[derive(Debug, Clone)] pub struct Bucket { base_url: Url, name: String, region: String, } impl Bucket { pub fn new(endpoint: Url, path_style: bool, name: String, region: String) -> Option<Self> { let _ = endpoint.host_str()?; match endpoint.scheme() { "http" | "https" => {} _ => return None, }; let base_url = base_url(endpoint, &name, path_style); Some(Self { base_url, name, region, }) } pub fn base_url(&self) -> &Url { &self.base_url } pub fn name(&self) -> &str { &self.name } pub fn region(&self) -> &str { &self.region } pub fn object_url(&self, object: &str) -> Result<Url, ParseError> { let object = percent_encode_path(object); self.base_url.join(&object) } } fn base_url(mut endpoint: Url, name: &str, path_style: bool) -> Url { if path_style { let path = format!("{}/", name); endpoint.join(&path).unwrap() } else { let host = format!("{}.{}", name, endpoint.host_str().unwrap()); endpoint.set_host(Some(&host)).unwrap(); endpoint } } #[cfg(test)] mod tests { use pretty_assertions::assert_eq; use super::*; #[test] fn new_pathstyle() { let endpoint: Url = "https://s3.eu-west-1.amazonaws.com".parse().unwrap(); let base_url: Url = "https://s3.eu-west-1.amazonaws.com/rusty-s3/" .parse() .unwrap(); let name = "rusty-s3"; let region = "eu-west-1"; let bucket = Bucket::new(endpoint, true, name.into(), region.into()).unwrap(); assert_eq!(bucket.base_url(), &base_url); assert_eq!(bucket.name(), name); assert_eq!(bucket.region(), region); } #[test] fn new_domainstyle() { let endpoint: Url = "https://s3.eu-west-1.amazonaws.com".parse().unwrap(); let base_url: Url = "https://rusty-s3.s3.eu-west-1.amazonaws.com" .parse() .unwrap(); let name = "rusty-s3"; let region = "eu-west-1"; let bucket = Bucket::new(endpoint, false, name.into(), region.into()).unwrap(); assert_eq!(bucket.base_url(), &base_url); assert_eq!(bucket.name(), name); assert_eq!(bucket.region(), region); } #[test] fn new_bad_scheme() { let endpoint = "file:///home/something".parse().unwrap(); let name = "rusty-s3"; let region = "eu-west-1"; assert!(Bucket::new(endpoint, true, name.into(), region.into()).is_none()); } #[test] fn object_url_pathstyle() { let endpoint: Url = "https://s3.eu-west-1.amazonaws.com".parse().unwrap(); let name = "rusty-s3"; let region = "eu-west-1"; let bucket = Bucket::new(endpoint, true, name.into(), region.into()).unwrap(); let path_style = bucket.object_url("something/cat.jpg").unwrap(); assert_eq!( "https://s3.eu-west-1.amazonaws.com/rusty-s3/something/cat.jpg", path_style.as_str() ); } #[test] fn object_url_domainstyle() { let endpoint: Url = "https://s3.eu-west-1.amazonaws.com".parse().unwrap(); let name = "rusty-s3"; let region = "eu-west-1"; let bucket = Bucket::new(endpoint, false, name.into(), region.into()).unwrap(); let domain_style = bucket.object_url("something/cat.jpg").unwrap(); assert_eq!( "https://rusty-s3.s3.eu-west-1.amazonaws.com/something/cat.jpg", domain_style.as_str() ); } }