use config.salt instead of something hard coded

src/paste.rs

@@ -30,9 +30,9 @@ impl Paste {
 		Ok(paste)
 	}
 
-	pub fn from_text(text: String) -> Result<Self> {
+	pub fn from_text(text: String, salt: String) -> Result<Self> {
 		let dt = Utc::now();
-		let harsh = HarshBuilder::new().salt("salt and pepper").init()?;
+		let harsh = HarshBuilder::new().salt(salt).init()?;
 		let encoded = harsh.encode(&[dt.timestamp_millis() as u64]);
 
 		if let Some(id) = encoded {
@@ -48,9 +48,9 @@ impl Paste {
 	}
 
 
-	pub fn from_form(form: HashMap<String, String>) -> Result<Self> {
+	pub fn from_form(form: HashMap<String, String>, salt: String) -> Result<Self> {
 		let dt = Utc::now();
-		let harsh = HarshBuilder::new().salt("salt and pepper").init()?;
+		let harsh = HarshBuilder::new().salt(salt).init()?;
 		let encoded = harsh.encode(&[dt.timestamp_millis() as u64]);
 
 		if let Some(id) = encoded {

src/routes/submit.rs

@@ -25,7 +25,7 @@ pub fn put(mut state: State) -> Box<HandlerFuture> {
 					let body_content = b.into_bytes();
 					let text = String::from_utf8(body_content.as_ref().to_vec()).unwrap();
 
-					match Paste::from_text(text) {
+					match Paste::from_text(text, config.salt) {
 						Ok(paste) => {
 							let mut path = config.data_directory.clone();
 							path.push(paste.id.clone());
@@ -69,7 +69,7 @@ pub fn post(mut state: State) -> Box<HandlerFuture> {
 						.map(|x| x)
 						.collect();
 
-					if let Ok(paste) = Paste::from_form(form_map) {
+					if let Ok(paste) = Paste::from_form(form_map, config.salt) {
 						let mut path = config.data_directory;
 						path.push(paste.id.clone());