feat: add image fetching

src/conf.rs

@@ -7,17 +7,18 @@ use std::{
     net::{Ipv4Addr, SocketAddr, SocketAddrV4},
 };
 
-use serde::{Deserialize, Serialize};
+use serde::Deserialize;
 
-use crate::serdes::Group;
+use crate::serdes::{DatabasePaths, Group};
 
-#[derive(Debug, Default, Serialize, Deserialize)]
+#[derive(Debug, Default, Deserialize)]
 #[serde(default)]
 pub struct Unix {
     pub groups: Vec<Group>,
+    pub magic_paths: DatabasePaths,
 }
 
-#[derive(Debug, Serialize, Deserialize)]
+#[derive(Debug, Deserialize)]
 #[serde(default)]
 pub struct Server {
     pub listen: SocketAddr,
@@ -30,7 +31,7 @@ impl Default for Server {
     }
 }
 
-#[derive(Debug, Default, Serialize, Deserialize)]
+#[derive(Debug, Default, Deserialize)]
 #[serde(default)]
 pub struct Config {
     pub unix: Unix,
@@ -50,12 +51,14 @@ impl Config {
     /// # Errors
     ///
     /// For IO errors reading the file or parsing errors.
+    ///
+    /// # Panics
+    ///
+    /// If file's u64 length might not fit in memory.
     pub fn from_toml_file(f: &mut File) -> Result<Self, ConfigParseError> {
         let mut buf = Vec::new();
         if let Ok(len) = f.stream_len() {
-            // There's no way a config file passes machine's memory limitations
-            #[allow(clippy::cast_possible_truncation)]
-            buf.reserve_exact(len as usize);
+            buf.reserve_exact(len.try_into().expect("file's u64 len to fit in memory"));
         }
         f.read_to_end(&mut buf)?;