feature: initialize free ai email

shinkai-bin/shinkai-node/src/utils/email.rs

@@ -0,0 +1,181 @@
+use ed25519_dalek::{ed25519::signature::SignerMut, SigningKey, VerifyingKey};
+
+use reqwest::Client;
+use serde::Deserialize;
+use serde_json::json;
+use shinkai_message_primitives::shinkai_utils::shinkai_logging::{shinkai_log, ShinkaiLogLevel, ShinkaiLogOption};
+
+#[derive(Debug, Deserialize)]
+struct ChallengeResponse {
+    challenge: String,
+}
+
+#[derive(Deserialize)]
+struct EmailResponse {
+    email: String,
+}
+
+#[derive(Debug)]
+pub struct ShinkaiEmails {
+    pub api_url: String,
+    pub verifying_key: VerifyingKey,
+    pub signing_key: SigningKey,
+}
+
+impl ShinkaiEmails {
+    pub fn new(api_url: String, verifying_key: VerifyingKey, signing_key: SigningKey) -> Self {
+        ShinkaiEmails {
+            api_url,
+            verifying_key,
+            signing_key,
+        }
+    }
+
+    async fn get_challenge(&self, verifying_key: &str) -> Result<ChallengeResponse, Box<dyn std::error::Error>> {
+        shinkai_log(
+            ShinkaiLogOption::Email,
+            ShinkaiLogLevel::Debug,
+            &format!("getting challenge for verifying key: {}", verifying_key),
+        );
+        let client = Client::new();
+        let response = match client
+            .post(format!("{}/api/v1/challenge", self.api_url))
+            .header("Content-Type", "application/json")
+            .json(&json!({ "verifyingKey": verifying_key }))
+            .send()
+            .await
+        {
+            Ok(response) => response,
+            Err(e) => {
+                shinkai_log(
+                    ShinkaiLogOption::Email,
+                    ShinkaiLogLevel::Error,
+                    &format!("Error getting challenge: {}", e),
+                );
+                return Err(Box::new(e));
+            }
+        };
+
+        let response_body: ChallengeResponse = response.json().await?;
+
+        shinkai_log(
+            ShinkaiLogOption::Email,
+            ShinkaiLogLevel::Debug,
+            &format!("successfully received challenge: {}", response_body.challenge),
+        );
+        Ok(response_body)
+    }
+
+    fn get_auth_headers(
+        &self,
+        verifying_key: &str,
+        challenge: &str,
+        signed_challenge: &str,
+    ) -> reqwest::header::HeaderMap {
+        shinkai_log(
+            ShinkaiLogOption::Email,
+            ShinkaiLogLevel::Debug,
+            "greating authentication headers",
+        );
+        let mut headers = reqwest::header::HeaderMap::new();
+        headers.insert("X-AUTH-CHALLENGE-VERIFYING-KEY", verifying_key.parse().unwrap());
+        headers.insert("X-AUTH-CHALLENGE-CHALLENGE", challenge.parse().unwrap());
+        headers.insert("X-AUTH-CHALLENGE-SIGNED-CHALLENGE", signed_challenge.parse().unwrap());
+        headers
+    }
+
+    async fn get_authenticated_client(&self) -> Result<Client, Box<dyn std::error::Error>> {
+        shinkai_log(
+            ShinkaiLogOption::Email,
+            ShinkaiLogLevel::Debug,
+            "getting authenticated client",
+        );
+        // Get the challenge from the server
+        let challenge = self
+            .get_challenge(&hex::encode(self.verifying_key.to_bytes()))
+            .await?
+            .challenge;
+        // Sign the challenge
+        let mut signing_key = self.signing_key.clone();
+        let signed_challenge = signing_key.sign(challenge.as_bytes());
+
+        // Prepare the authentication headers
+        let headers = self.get_auth_headers(
+            &hex::encode(self.verifying_key.to_bytes()),
+            &challenge,
+            &hex::encode(signed_challenge.to_bytes()),
+        );
+        // Send the authentication request
+        let client = Client::builder().default_headers(headers).build()?;
+        shinkai_log(
+            ShinkaiLogOption::Email,
+            ShinkaiLogLevel::Debug,
+            "successfully created authenticated client",
+        );
+        Ok(client)
+    }
+
+    async fn create_email(&self, password: &str) -> Result<String, Box<dyn std::error::Error>> {
+        shinkai_log(ShinkaiLogOption::Email, ShinkaiLogLevel::Info, "creating new email");
+        let client = self.get_authenticated_client().await?;
+        let response = match client
+            .post(format!("{}/api/v1/email", self.api_url))
+            .header("Content-Type", "application/json")
+            .json(&json!({ "password": password }))
+            .send()
+            .await
+        {
+            Ok(response) => response,
+            Err(e) => {
+                shinkai_log(
+                    ShinkaiLogOption::Email,
+                    ShinkaiLogLevel::Error,
+                    &format!("failed to create email: {}", e),
+                );
+                return Err(Box::new(e));
+            }
+        };
+
+        let response_body: EmailResponse = response.json().await?;
+        shinkai_log(
+            ShinkaiLogOption::Email,
+            ShinkaiLogLevel::Info,
+            &format!("successfully created email: {}", response_body.email),
+        );
+        Ok(response_body.email)
+    }
+
+    pub async fn initialize_email(&self, password: &str) -> Result<String, Box<dyn std::error::Error>> {
+        shinkai_log(ShinkaiLogOption::Email, ShinkaiLogLevel::Info, "initializing email");
+        let email = self.create_email(password).await?;
+        shinkai_log(
+            ShinkaiLogOption::Email,
+            ShinkaiLogLevel::Info,
+            &format!("successfully initialized email: {}", email),
+        );
+        Ok(email)
+    }
+}
+
+#[tokio::test]
+async fn initialize_email() {
+    let secret_key_bytes: [u8; 32] = hex::decode("209dd64296d9b3673b9e07c64d0047f0977372a4a60f0a80fe6f3f381bf49178")
+        .unwrap()
+        .try_into()
+        .unwrap();
+    let secret_key = SigningKey::from_bytes(&secret_key_bytes);
+    let public_key = secret_key.verifying_key();
+    println!("secret key: {}", hex::encode(secret_key.to_bytes()));
+    println!("public key: {}", hex::encode(public_key.to_bytes()));
+
+    let email = ShinkaiEmails::new(
+        "https://shinkai-emails-302883622007.us-central1.run.app".to_string(),
+        public_key,
+        secret_key,
+    )
+    .initialize_email("passwordpassword")
+    .await;
+    println!("email: {:?}", email);
+    assert!(email.is_ok());
+    println!("email: {}", email.unwrap());
+}

shinkai-bin/shinkai-node/src/utils/environment.rs

@@ -28,6 +28,7 @@ pub struct NodeEnvironment {
     pub default_embedding_model: EmbeddingModelType,
     pub supported_embedding_models: Vec<EmbeddingModelType>,
     pub api_v2_key: Option<String>,
+    pub shinkai_emails_api_url: Option<String>,
 }
 
 #[derive(Debug, Clone)]
@@ -199,6 +200,8 @@ pub fn fetch_node_environment() -> NodeEnvironment {
 
     let api_https_listen_address = SocketAddr::new(api_ip, api_https_port);
 
+    let shinkai_emails_api_url: Option<String> = env::var("SHINKAI_EMAILS_API_URL").ok();
+
     NodeEnvironment {
         global_identity_name,
         listen_address,
@@ -218,5 +221,7 @@ pub fn fetch_node_environment() -> NodeEnvironment {
         supported_embedding_models,
         api_v2_key,
         api_https_listen_address,
+        shinkai_emails_api_url,
     }
 }
+

shinkai-bin/shinkai-node/src/utils/mod.rs

@@ -5,4 +5,5 @@ pub mod keys;
 pub mod logging_helpers;
 pub mod printer;
 pub mod qr_code_setup;
-pub mod update_global_identity;
+pub mod update_global_identity;
+pub mod email;

shinkai-libs/shinkai-message-primitives/src/shinkai_utils/shinkai_logging.rs

@@ -37,6 +37,7 @@ pub enum ShinkaiLogOption {
     Node,
     InternalAPI,
     Network,
+    Email,
     Tests,
 }