From baeb17826db95bee532dee5ea9b8e0f1a5cf7a33 Mon Sep 17 00:00:00 2001
From: David Mulder <dmulder@samba.org>
Date: Tue, 14 May 2024 12:49:18 -0600
Subject: [PATCH 1/2] Add check_user_exists

This validates whether a Azure Entra ID user exists.

Signed-off-by: David Mulder <dmulder@samba.org>
---
 src/auth.rs | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

diff --git a/src/auth.rs b/src/auth.rs
index 36f1f57..ca79e6c 100644
--- a/src/auth.rs
+++ b/src/auth.rs
@@ -1133,6 +1133,26 @@ impl PublicClientApplication {
         }
     }
 
+    /// Check if a user exists in Azure Entra ID
+    ///
+    /// # Arguments
+    ///
+    /// * `username` - Typically a UPN in the form of an email address.
+    ///
+    /// # Returns
+    /// * Success: true|false
+    /// * Failure: An MsalError, indicating the failure.
+    pub async fn check_user_exists(&self, username: &str) -> Result<bool, MsalError> {
+        let request_id = Uuid::new_v4().to_string();
+        let auth_config = self
+            .request_auth_config_internal(vec![], &request_id, None)
+            .await?;
+        let cred_type = self
+            .get_cred_type(username, &auth_config, &request_id)
+            .await?;
+        Ok(cred_type.if_exists_result == 0)
+    }
+
     /// Initiate an MFA flow via user credentials.
     ///
     /// # Arguments
@@ -2318,6 +2338,19 @@ impl BrokerClientApplication {
         self.app.acquire_token_by_device_flow(flow).await
     }
 
+    /// Check if a user exists in Azure Entra ID
+    ///
+    /// # Arguments
+    ///
+    /// * `username` - Typically a UPN in the form of an email address.
+    ///
+    /// # Returns
+    /// * Success: true|false
+    /// * Failure: An MsalError, indicating the failure.
+    pub async fn check_user_exists(&self, username: &str) -> Result<bool, MsalError> {
+        self.app.check_user_exists(username).await
+    }
+
     /// Initiate an MFA flow for enrollment via user credentials.
     ///
     /// # Arguments

From d3a70d7ba2f17293bb97fe97b786edf04e32d641 Mon Sep 17 00:00:00 2001
From: David Mulder <dmulder@samba.org>
Date: Tue, 14 May 2024 12:50:05 -0600
Subject: [PATCH 2/2] Version 0.1.23

Signed-off-by: David Mulder <dmulder@samba.org>
---
 Cargo.toml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Cargo.toml b/Cargo.toml
index 422e84f..6b2b3ee 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "msal"
 description = "Microsoft Authentication Library for Rust"
-version = "0.1.22"
+version = "0.1.23"
 edition = "2021"
 authors = [
     "David Mulder <dmulder@suse.com>"