🏁 build: fix Windows build for ptth_server

crates/ptth_server/src/bin/ptth_server.rs

@@ -3,8 +3,7 @@
 use std::{
 	fs::File,
 	io::Write,
-	path::PathBuf,
-	os::unix::fs::PermissionsExt,
+	path::{Path, PathBuf},
 };
 
 use structopt::StructOpt;
@@ -49,6 +48,36 @@ pub struct ConfigFile {
 	pub file_server_root: Option <PathBuf>,
 }
 
+fn gen_key (path: &Path) -> anyhow::Result <()> {
+	use rand::RngCore;
+	let mut buffer = vec! [0_u8; 64];
+	rand::thread_rng ().fill_bytes (&mut buffer);
+	
+	let api_key = base64::encode (&buffer);
+	
+	{
+		let mut f = File::create (path)?;
+		
+		#[cfg (unix)]
+		{
+			use std::os::unix::fs::PermissionsExt;
+			
+			let metadata = f.metadata ()?;
+			let mut permissions = metadata.permissions ();
+			permissions.set_mode (0o600);
+			f.set_permissions (permissions)?;
+		}
+		#[cfg (not (unix))]
+		{
+			tracing::warn! ("API keys aren't protected from clients on non-Unix OSes yet");
+		}
+		
+		f.write_all (format! ("api_key = \"{}\"\n", api_key).as_bytes ())?;
+	}
+	
+	Ok (())
+}
+
 #[tokio::main]
 async fn main () -> Result <(), anyhow::Error> {
 	tracing_subscriber::fmt::init ();
@@ -60,21 +89,7 @@ async fn main () -> Result <(), anyhow::Error> {
 	
 	let config_file: ConfigFile = match load_toml::load (&path) {
 		Err (ptth_server::errors::LoadTomlError::Io (_)) => if opt.auto_gen_key {
-			use rand::RngCore;
-			let mut buffer = vec! [0_u8; 64];
-			rand::thread_rng ().fill_bytes (&mut buffer);
-			
-			let api_key = base64::encode (&buffer);
-			
-			{
-				let mut f = File::create (&path)?;
-				let metadata = f.metadata ()?;
-				let mut permissions = metadata.permissions ();
-				permissions.set_mode (0o600);
-				f.set_permissions (permissions)?;
-				
-				f.write_all (format! ("api_key = \"{}\"\n", api_key).as_bytes ())?;
-			}
+			gen_key (&path)?;
 			
 			load_toml::load (&path)?
 		}