Move crypto.rs into common

- Refactor code and move crypto.rs into the common subdirectory.
- Fixed comments

src/types/defaults.rs

@@ -1,5 +1,3 @@
-//
-// Some defaults
-//
+//! Defaults
 
 pub const CONFIG_FILE_LOCATION: &'static str = "/etc/husk/config.toml";

src/types/errors.rs

@@ -1,8 +1,4 @@
-//
-// Husk milter
-//
-// Error typ
-//
+//! Error typ
 
 use thiserror::Error;
 

src/types/husk_context.rs

@@ -1,8 +1,6 @@
-//
-// Husk milter
-//
-// Context
-//
+//! HuskContext
+//!
+//! Keep data in HuskContext while processing a mail.
 
 use anyhow;
 use sequoia_openpgp::policy::StandardPolicy;
@@ -11,7 +9,8 @@ use sequoia_openpgp::Cert;
 use sequoia_cert_store::CertStore;
 use sequoia_directories::Home;
 
-use crate::{config::HuskConfig, crypto};
+use crate::config::HuskConfig;
+use crate::common::crypto;
 use crate::types::mail_context::MailContext;
 
 use crate::types::introducer::Introducer;

src/types/introducer.rs

@@ -1,11 +1,6 @@
-//
-// husk-milter
-//
-// introducers
-//
+//! introducers
 
 use std::sync::Arc;
-use std::collections::HashSet;
 
 use anyhow::Result;
 

src/types/mail_context.rs

@@ -1,8 +1,4 @@
-//
-// Husk milter
-//
-// Mail Context
-//
+//! Mail Context
 
 use std::sync::Arc;
 use bytes::{Bytes, BytesMut};

src/types/recipient.rs

@@ -1,8 +1,4 @@
-//
-// Husk milter
-//
-// Recipient
-//
+//! Recipient
 
 use anyhow;
 use std::sync::Arc;