From 3026b217774a51e01cca1ae584fba8c6398754cc Mon Sep 17 00:00:00 2001
From: Quentin Dufour <quentin@deuxfleurs.fr>
Date: Wed, 1 Nov 2023 15:36:06 +0100
Subject: integration to login with an enum

---
 src/login/mod.rs   | 23 ++++++++++++++++++++---
 src/storage/mod.rs |  7 +++++--
 2 files changed, 25 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/login/mod.rs b/src/login/mod.rs
index 3fab90a..f403bcb 100644
--- a/src/login/mod.rs
+++ b/src/login/mod.rs
@@ -15,6 +15,9 @@ use rusoto_credential::{AwsCredentials, StaticProvider};
 use rusoto_s3::S3Client;
 
 use crate::cryptoblob::*;
+use crate::storage::*;
+use crate::storage::in_memory::MemTypes;
+use crate::storage::garage::GrgTypes;
 
 /// The trait LoginProvider defines the interface for a login provider that allows
 /// to retrieve storage and cryptographic credentials for access to a user account
@@ -23,12 +26,17 @@ use crate::cryptoblob::*;
 pub trait LoginProvider {
     /// The login method takes an account's password as an input to decypher
     /// decryption keys and obtain full access to the user's account.
-    async fn login(&self, username: &str, password: &str) -> Result<Credentials>;
+    async fn login(&self, username: &str, password: &str) -> Result<AnyCredentials>;
     /// The public_login method takes an account's email address and returns
     /// public credentials for adding mails to the user's inbox.
     async fn public_login(&self, email: &str) -> Result<PublicCredentials>;
 }
 
+pub enum AnyCredentials {
+    InMemory(Credentials<MemTypes>),
+    Garage(Credentials<GrgTypes>),
+}
+
 /// ArcLoginProvider is simply an alias on a structure that is used
 /// in many places in the code
 pub type ArcLoginProvider = Arc<dyn LoginProvider + Send + Sync>;
@@ -36,9 +44,9 @@ pub type ArcLoginProvider = Arc<dyn LoginProvider + Send + Sync>;
 /// The struct Credentials represent all of the necessary information to interact
 /// with a user account's data after they are logged in.
 #[derive(Clone, Debug)]
-pub struct Credentials {
+pub struct Credentials<T: StorageEngine> {
     /// The storage credentials are used to authenticate access to the underlying storage (S3, K2V)
-    pub storage: StorageCredentials,
+    pub storage: T::Builder,
     /// The cryptographic keys are used to encrypt and decrypt data stored in S3 and K2V
     pub keys: CryptoKeys,
 }
@@ -106,6 +114,7 @@ impl Region {
 
 // ----
 
+/*
 impl Credentials {
     pub fn k2v_client(&self) -> Result<K2vClient> {
         self.storage.k2v_client()
@@ -116,6 +125,14 @@ impl Credentials {
     pub fn bucket(&self) -> &str {
         self.storage.bucket.as_str()
     }
+}*/
+impl<T: StorageEngine> From<AnyCredentials> for Credentials<T> {
+    fn from(ac: AnyCredentials) -> Self {
+        match ac {
+            AnyCredentials::InMemory(c) => c,
+            AnyCredentials::Garage(c) => c,
+        }
+    }
 }
 
 impl StorageCredentials {
diff --git a/src/storage/mod.rs b/src/storage/mod.rs
index 4ef2d61..bc26379 100644
--- a/src/storage/mod.rs
+++ b/src/storage/mod.rs
@@ -8,8 +8,8 @@
  * into the object system so it is not exposed.
  */
 
-mod in_memory;
-mod garage;
+pub mod in_memory;
+pub mod garage;
 
 pub enum Selector<'a> {
     Range{ begin: &'a str, end: &'a str },
@@ -29,11 +29,14 @@ pub enum Error {
 }
 
 pub trait RowRealization: Sized {
+    type Builder: RowBuilder<Self>;
     type Store: RowStore<Self>;
     type Ref: RowRef<Self>;
     type Value: RowValue<Self>;
 }
 
+pub trait StorageEngine: RowRealization {}
+
 // ------ Row Builder
 pub trait RowBuilder<R: RowRealization> 
 {
-- 
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