moved Snippet into own module

src/main.rs

@@ -8,7 +8,9 @@ extern crate snap;
 
 mod chacha_io;
 mod pgp;
+mod snippet;
 
+use crate::snippet::*;
 use crate::pgp::KnownKeys;
 use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
 use chacha_io::{ChaChaReader, ChaChaWriter};
@@ -29,145 +31,8 @@ use std::io::prelude::*;
 use std::iter::Iterator;
 use std::path::{Path, PathBuf};
 use std::sync::Mutex;
+use std::sync::Arc;
 
-struct Snippet<'a> {
-    id: String,
-    storage: &'a SnippetStorage<'a>,
-}
-
-#[allow(dead_code)]
-struct SnippetMeta {
-    created: DateTime<Utc>,
-    compression: Option<String>,
-}
-
-struct SnippetStorage<'a> {
-    directory: &'a Path,
-}
-
-impl<'a> Snippet<'a> {
-    pub fn random(storage: &'a SnippetStorage) -> Snippet<'a> {
-        Snippet::new(
-            &rand::thread_rng()
-                .gen_ascii_chars()
-                .take(8)
-                .collect::<String>(),
-            storage,
-        )
-    }
-
-    pub fn new(id: &str, storage: &'a SnippetStorage) -> Snippet<'a> {
-        Snippet {
-            id: id.to_string(),
-            storage,
-        }
-    }
-
-    pub fn file_id(&self) -> String {
-        SnippetStorage::file_id(&self.id)
-    }
-
-    pub fn passphrase(&self) -> ([u8; 8], [u8; 32]) {
-        let mut hasher = Sha256::new();
-        hasher.input(self.id.as_bytes());
-        let res = hasher.result();
-        let nonce: [u8; 8] = res[0..8].try_into().unwrap();
-        let mut hasher = Sha256::new();
-        hasher.input(self.id.as_bytes());
-        hasher.input(b"pass");
-        let pass: [u8; 32] = res[0..32].try_into().unwrap();
-        (nonce, pass)
-    }
-
-    pub fn path(&self) -> PathBuf {
-        self.storage.directory.join(&self.file_id())
-    }
-
-    pub fn metadata(&self) -> Result<SnippetMeta, io::Error> {
-        let mut file = File::open(self.path())?;
-        let (nonce, key) = self.passphrase();
-        self.metadata_via_handle(&mut ChaChaReader::new(&key, &nonce, &mut file))
-    }
-
-    fn metadata_via_handle(&self, hdl: &mut impl Read) -> Result<SnippetMeta, io::Error> {
-        let timestamp = hdl.read_i64::<BigEndian>()?;
-        let comp_len = hdl.read_u16::<BigEndian>()? as usize;
-        let mut comp = Vec::with_capacity(comp_len);
-        comp.resize(comp_len, 0u8);
-        hdl.read_exact(&mut comp)?;
-        let comp = String::from_utf8(comp).unwrap();
-        Ok(SnippetMeta {
-            created: Utc.timestamp_millis(timestamp),
-            compression: Some(comp).filter(|_| comp_len > 0),
-        })
-    }
-
-    fn contents(&self) -> Result<String, io::Error> {
-        let mut file = File::open(self.path())?;
-        let (nonce, key) = self.passphrase();
-        let mut reader = ChaChaReader::new(&key, &nonce, &mut file);
-        let meta = self.metadata_via_handle(&mut reader)?;
-        fn read_string(r: &mut impl Read) -> Result<String, io::Error> {
-            let mut text = String::new();
-            r.read_to_string(&mut text)?;
-            Ok(text)
-        }
-        dbg!((&meta.compression, &meta.created, self.file_id()));
-        match meta.compression {
-            Some(ref comp) if comp == "snap" => {
-                let mut r = snap::Reader::new(&mut reader);
-                read_string(&mut r)
-            }
-            _ => read_string(&mut reader),
-        }
-    }
-
-    fn write(self, content: &str) -> Result<Snippet<'a>, io::Error> {
-        let mut file = File::create(self.path())?;
-        let (nonce, key) = self.passphrase();
-        let mut writer = ChaChaWriter::new(&key, &nonce, &mut file);
-        writer.write_i64::<BigEndian>(Utc::now().timestamp())?;
-        let comp = if content.len() > 2048 {
-            Some("snap")
-        } else {
-            None
-        };
-        writer.write_u16::<BigEndian>(comp.map(|s| s.len() as u16).unwrap_or(0u16))?;
-        writer.write(comp.map(|s| s.as_bytes()).unwrap_or(&[0u8; 0]))?;
-        match comp {
-            Some(ref comp) if comp == &"snap" => {
-                let mut w = snap::Writer::new(&mut writer);
-                w.write_all(content.as_bytes())?
-            }
-            _ => writer.write_all(content.as_bytes())?,
-        };
-        Ok(Snippet::new(&self.id, self.storage))
-    }
-}
-
-impl<'a> SnippetStorage<'a> {
-    pub fn new(directory: &'a Path) -> SnippetStorage<'a> {
-        SnippetStorage {
-            directory: directory,
-        }
-    }
-    pub fn file_id(id: &str) -> String {
-        let mut hasher = Sha256::new();
-        hasher.input(id.as_bytes());
-        hex::encode(&hasher.result()[0..12])
-    }
-    fn has(&self, id: &str) -> bool {
-        self.directory.join(Self::file_id(id)).exists()
-    }
-
-    fn open(&self, id: &str) -> Option<Snippet> {
-        if self.has(id) {
-            Some(Snippet::new(id, self))
-        } else {
-            None
-        }
-    }
-}
 
 #[cfg(not(debug_assertions))]
 const STORAGE_DIR: &str = "/snips";
@@ -176,9 +41,9 @@ const STORAGE_DIR: &str = "/snips";
 const STORAGE_DIR: &str = "/tmp";
 
 lazy_static! {
-    static ref KNOWN_KEYS: Mutex<KnownKeys> = Mutex::new(
+    static ref KNOWN_KEYS: Arc<Mutex<KnownKeys>> = Arc::new(Mutex::new(
         KnownKeys::load_dir([STORAGE_DIR, "keys"].join("/")).expect("Failed to load pubkeys")
-    );
+    ));
 }
 
 const VERSION: &str = env!("CARGO_PKG_VERSION");

src/snippet.rs

@@ -0,0 +1,161 @@
+use crate::pgp::KnownKeys;
+use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
+use crate::chacha_io::{ChaChaReader, ChaChaWriter};
+use chrono::*;
+use core::cell::RefCell;
+use iron::method::Method;
+use iron::modifiers::Redirect;
+use iron::prelude::*;
+use iron::url::Url;
+use rand::Rng;
+use sha2::{Digest, Sha256};
+use std::borrow::BorrowMut;
+use std::convert::TryInto;
+use std::fs;
+use std::fs::File;
+use std::io;
+use std::io::prelude::*;
+use std::iter::Iterator;
+use std::path::{Path, PathBuf};
+use std::sync::Mutex;
+use std::sync::Arc;
+
+pub struct Snippet<'a> {
+    pub id: String,
+    pub storage: &'a SnippetStorage<'a>,
+}
+
+#[allow(dead_code)]
+pub struct SnippetMeta {
+    created: DateTime<Utc>,
+    compression: Option<String>,
+}
+
+pub struct SnippetStorage<'a> {
+    directory: &'a Path,
+}
+
+impl<'a> Snippet<'a> {
+    pub fn random(storage: &'a SnippetStorage) -> Snippet<'a> {
+        Snippet::new(
+            &rand::thread_rng()
+                .gen_ascii_chars()
+                .take(8)
+                .collect::<String>(),
+            storage,
+        )
+    }
+
+    pub fn new(id: &str, storage: &'a SnippetStorage) -> Snippet<'a> {
+        Snippet {
+            id: id.to_string(),
+            storage,
+        }
+    }
+
+    pub fn file_id(&self) -> String {
+        SnippetStorage::file_id(&self.id)
+    }
+
+    pub fn passphrase(&self) -> ([u8; 8], [u8; 32]) {
+        let mut hasher = Sha256::new();
+        hasher.input(self.id.as_bytes());
+        let res = hasher.result();
+        let nonce: [u8; 8] = res[0..8].try_into().unwrap();
+        let mut hasher = Sha256::new();
+        hasher.input(self.id.as_bytes());
+        hasher.input(b"pass");
+        let pass: [u8; 32] = res[0..32].try_into().unwrap();
+        (nonce, pass)
+    }
+
+    pub fn path(&self) -> PathBuf {
+        self.storage.directory.join(&self.file_id())
+    }
+
+    pub fn metadata(&self) -> Result<SnippetMeta, io::Error> {
+        let mut file = File::open(self.path())?;
+        let (nonce, key) = self.passphrase();
+        self.metadata_via_handle(&mut ChaChaReader::new(&key, &nonce, &mut file))
+    }
+
+    fn metadata_via_handle(&self, hdl: &mut impl Read) -> Result<SnippetMeta, io::Error> {
+        let timestamp = hdl.read_i64::<BigEndian>()?;
+        let comp_len = hdl.read_u16::<BigEndian>()? as usize;
+        let mut comp = Vec::with_capacity(comp_len);
+        comp.resize(comp_len, 0u8);
+        hdl.read_exact(&mut comp)?;
+        let comp = String::from_utf8(comp).unwrap();
+        Ok(SnippetMeta {
+            created: Utc.timestamp_millis(timestamp),
+            compression: Some(comp).filter(|_| comp_len > 0),
+        })
+    }
+
+    pub fn contents(&self) -> Result<String, io::Error> {
+        let mut file = File::open(self.path())?;
+        let (nonce, key) = self.passphrase();
+        let mut reader = ChaChaReader::new(&key, &nonce, &mut file);
+        let meta = self.metadata_via_handle(&mut reader)?;
+        fn read_string(r: &mut impl Read) -> Result<String, io::Error> {
+            let mut text = String::new();
+            r.read_to_string(&mut text)?;
+            Ok(text)
+        }
+        dbg!((&meta.compression, &meta.created, self.file_id()));
+        match meta.compression {
+            Some(ref comp) if comp == "snap" => {
+                let mut r = snap::Reader::new(&mut reader);
+                read_string(&mut r)
+            }
+            _ => read_string(&mut reader),
+        }
+    }
+
+    pub fn write(self, content: &str) -> Result<Snippet<'a>, io::Error> {
+        let mut file = File::create(self.path())?;
+        let (nonce, key) = self.passphrase();
+        let mut writer = ChaChaWriter::new(&key, &nonce, &mut file);
+        writer.write_i64::<BigEndian>(Utc::now().timestamp())?;
+        let comp = if content.len() > 2048 {
+            Some("snap")
+        } else {
+            None
+        };
+        writer.write_u16::<BigEndian>(comp.map(|s| s.len() as u16).unwrap_or(0u16))?;
+        writer.write(comp.map(|s| s.as_bytes()).unwrap_or(&[0u8; 0]))?;
+        match comp {
+            Some(ref comp) if comp == &"snap" => {
+                let mut w = snap::Writer::new(&mut writer);
+                w.write_all(content.as_bytes())?
+            }
+            _ => writer.write_all(content.as_bytes())?,
+        };
+        Ok(Snippet::new(&self.id, self.storage))
+    }
+}
+
+impl<'a> SnippetStorage<'a> {
+    pub fn new(directory: &'a Path) -> SnippetStorage<'a> {
+        SnippetStorage {
+            directory: directory,
+        }
+    }
+    pub fn file_id(id: &str) -> String {
+        let mut hasher = Sha256::new();
+        hasher.input(id.as_bytes());
+        hex::encode(&hasher.result()[0..12])
+    }
+    fn has(&self, id: &str) -> bool {
+        self.directory.join(Self::file_id(id)).exists()
+    }
+
+    pub fn open(&self, id: &str) -> Option<Snippet> {
+        if self.has(id) {
+            Some(Snippet::new(id, self))
+        } else {
+            None
+        }
+    }
+}
+