fix(core, validator): use BufReader for serde_json

Author: gadomski

core/src/io/json.rs

@@ -5,7 +5,7 @@ use crate::{Error, Href, Result};
 #[cfg(feature = "reqwest")]
 use reqwest::blocking::Response;
 use serde::de::DeserializeOwned;
-use std::fs::File;
+use std::{fs::File, io::BufReader};
 
 /// Reads any STAC value from a JSON href.
 ///
@@ -22,7 +22,7 @@ struct JsonReader;
 
 impl<T: Href + DeserializeOwned> Read<T> for JsonReader {
     fn read_from_file(file: File) -> Result<T> {
-        serde_json::from_reader(file).map_err(Error::from)
+        serde_json::from_reader(BufReader::new(file)).map_err(Error::from)
     }
     #[cfg(feature = "reqwest")]
     fn from_response(response: Response) -> Result<T> {

validate/src/validator.rs

@@ -4,6 +4,7 @@ use serde_json::Value;
 use stac::Version;
 use std::{
     collections::HashMap,
+    io::BufReader,
     sync::Arc,
     thread::{self, JoinHandle},
 };
@@ -305,7 +306,7 @@ impl SchemaResolver for Resolver {
                 "file" => {
                     if let Ok(path) = url.to_file_path() {
                         let f = std::fs::File::open(path)?;
-                        let document: Value = serde_json::from_reader(f)?;
+                        let document: Value = serde_json::from_reader(BufReader::new(f))?;
                         Ok(Arc::new(document))
                     } else {
                         Err(Error::InvalidFilePath(url.clone()).into())