add consts file to injector

Author: su-shivanshmathur

crates/injector/src/consts.rs

@@ -0,0 +1,2 @@
+/// Header name for external vault metadata
+pub const EXTERNAL_VAULT_METADATA_HEADER: &str = "x-external-vault-metadata";

crates/injector/src/injector.rs

@@ -16,7 +16,7 @@ pub mod core {
     use thiserror::Error;
 
     use crate as injector_types;
-    use crate::{ContentType, InjectorRequest, InjectorResponse, IntoInjectorResponse};
+    use crate::types::{ContentType, InjectorRequest, InjectorResponse, IntoInjectorResponse};
 
     impl From<injector_types::HttpMethod> for Method {
         fn from(method: injector_types::HttpMethod) -> Self {

crates/injector/src/lib.rs

@@ -1,8 +1,10 @@
+pub mod consts;
 pub mod injector;
 pub mod types;
 pub mod vault_metadata;
 
 // Re-export all functionality
+pub use consts::*;
 pub use injector::*;
 pub use types::*;
 pub use vault_metadata::*;

crates/injector/src/types.rs

@@ -206,7 +206,7 @@ pub mod models {
 
             // Process vault metadata if present
             if let Some(vault_header) =
-                headers.remove(crate::vault_metadata::EXTERNAL_VAULT_METADATA_HEADER)
+                headers.remove(consts::EXTERNAL_VAULT_METADATA_HEADER)
             {
                 let vault_header_value = vault_header.expose();
                 logger::info!(

crates/injector/src/vault_metadata.rs

@@ -5,10 +5,12 @@ use masking::{ExposeInterface, Secret};
 use router_env::logger;
 use url::Url;
 
-use crate::{ConnectionConfig, VaultConnectors};
+use crate::{
+    types::ConnectionConfig, VaultConnectors,
+    consts::EXTERNAL_VAULT_METADATA_HEADER
+};
 
 const BASE64_ENGINE: base64::engine::GeneralPurpose = base64::engine::general_purpose::STANDARD;
-pub const EXTERNAL_VAULT_METADATA_HEADER: &str = "x-external-vault-metadata";
 
 /// Trait for different vault metadata processors
 pub trait VaultMetadataProcessor: Send + Sync {
@@ -426,7 +428,7 @@ mod tests {
     use common_utils::pii::SecretSerdeValue;
 
     use super::*;
-    use crate::{HttpMethod, InjectorRequest, TokenData, VaultConnectors};
+    use crate::types::{HttpMethod, InjectorRequest, TokenData, VaultConnectors};
 
     #[test]
     fn test_vault_metadata_processing() {