Remove read_file and read_file_string and replace them with the std alternatives

src/api/admin.rs

@@ -536,15 +536,14 @@ async fn get_release_info(has_http_access: bool, running_within_docker: bool) ->
 
 #[get("/diagnostics")]
 async fn diagnostics(_token: AdminToken, ip_header: IpHeader, conn: DbConn) -> ApiResult<Html<String>> {
-    use crate::util::read_file_string;
     use chrono::prelude::*;
     use std::net::ToSocketAddrs;
 
     // Get current running versions
     let web_vault_version: WebVaultVersion =
-        match read_file_string(&format!("{}/{}", CONFIG.web_vault_folder(), "vw-version.json")) {
+        match std::fs::read_to_string(&format!("{}/{}", CONFIG.web_vault_folder(), "vw-version.json")) {
             Ok(s) => serde_json::from_str(&s)?,
-            _ => match read_file_string(&format!("{}/{}", CONFIG.web_vault_folder(), "version.json")) {
+            _ => match std::fs::read_to_string(&format!("{}/{}", CONFIG.web_vault_folder(), "version.json")) {
                 Ok(s) => serde_json::from_str(&s)?,
                 _ => WebVaultVersion {
                     version: String::from("Version file missing"),

src/auth.rs

@@ -11,7 +11,6 @@ use serde::ser::Serialize;
 
 use crate::{
     error::{Error, MapResult},
-    util::read_file,
     CONFIG,
 };
 
@@ -30,13 +29,13 @@ static JWT_ADMIN_ISSUER: Lazy<String> = Lazy::new(|| format!("{}|admin", CONFIG.
 static JWT_SEND_ISSUER: Lazy<String> = Lazy::new(|| format!("{}|send", CONFIG.domain_origin()));
 
 static PRIVATE_RSA_KEY_VEC: Lazy<Vec<u8>> = Lazy::new(|| {
-    read_file(&CONFIG.private_rsa_key()).unwrap_or_else(|e| panic!("Error loading private RSA Key.\n{}", e))
+    std::fs::read(&CONFIG.private_rsa_key()).unwrap_or_else(|e| panic!("Error loading private RSA Key.\n{}", e))
 });
 static PRIVATE_RSA_KEY: Lazy<EncodingKey> = Lazy::new(|| {
     EncodingKey::from_rsa_pem(&PRIVATE_RSA_KEY_VEC).unwrap_or_else(|e| panic!("Error decoding private RSA Key.\n{}", e))
 });
 static PUBLIC_RSA_KEY_VEC: Lazy<Vec<u8>> = Lazy::new(|| {
-    read_file(&CONFIG.public_rsa_key()).unwrap_or_else(|e| panic!("Error loading public RSA Key.\n{}", e))
+    std::fs::read(&CONFIG.public_rsa_key()).unwrap_or_else(|e| panic!("Error loading public RSA Key.\n{}", e))
 });
 static PUBLIC_RSA_KEY: Lazy<DecodingKey> = Lazy::new(|| {
     DecodingKey::from_rsa_pem(&PUBLIC_RSA_KEY_VEC).unwrap_or_else(|e| panic!("Error decoding public RSA Key.\n{}", e))

src/config.rs

@@ -91,8 +91,7 @@ macro_rules! make_config {
             }
 
             fn from_file(path: &str) -> Result<Self, Error> {
-                use crate::util::read_file_string;
-                let config_str = read_file_string(path)?;
+                let config_str = std::fs::read_to_string(path)?;
                 serde_json::from_str(&config_str).map_err(Into::into)
             }
 

src/main.rs

@@ -328,7 +328,7 @@ fn check_rsa_keys() -> Result<(), crate::error::Error> {
     }
 
     if !util::file_exists(&pub_path) {
-        let rsa_key = openssl::rsa::Rsa::private_key_from_pem(&util::read_file(&priv_path)?)?;
+        let rsa_key = openssl::rsa::Rsa::private_key_from_pem(&std::fs::read(&priv_path)?)?;
 
         let pub_key = rsa_key.public_key_to_pem()?;
         crate::util::write_file(&pub_path, &pub_key)?;

src/util.rs

@@ -308,11 +308,6 @@ pub fn file_exists(path: &str) -> bool {
     Path::new(path).exists()
 }
 
-pub fn read_file(path: &str) -> IOResult<Vec<u8>> {
-    let contents = fs::read(Path::new(path))?;
-    Ok(contents)
-}
-
 pub fn write_file(path: &str, content: &[u8]) -> Result<(), crate::error::Error> {
     use std::io::Write;
     let mut f = File::create(path)?;
@@ -321,11 +316,6 @@ pub fn write_file(path: &str, content: &[u8]) -> Result<(), crate::error::Error>
     Ok(())
 }
 
-pub fn read_file_string(path: &str) -> IOResult<String> {
-    let contents = fs::read_to_string(Path::new(path))?;
-    Ok(contents)
-}
-
 pub fn delete_file(path: &str) -> IOResult<()> {
     let res = fs::remove_file(path);