refactor(intel-dcap-api): split client.rs into smaller files

Signed-off-by: Harald Hoyer <harald@matterlabs.dev>

crates/intel-dcap-api/src/client/fmspc.rs

@@ -0,0 +1,134 @@
+// SPDX-License-Identifier: Apache-2.0
+// Copyright (c) 2025 Matter Labs
+
+use super::ApiClient; // Import from parent module
+use crate::{
+    error::{check_status, IntelApiError},
+    responses::TcbEvaluationDataNumbersResponse,
+    types::{ApiVersion, PlatformFilter},
+    FmspcJsonResponse,
+};
+use reqwest::StatusCode;
+
+impl ApiClient {
+    // --- FMSPCs & TCB Evaluation Data Numbers ---
+
+    /// GET /sgx/certification/{v3,v4}/fmspcs
+    /// Retrieves a list of FMSPC values for SGX and TDX platforms (API v4 only).
+    ///
+    /// # Arguments
+    ///
+    /// * `platform_filter` - An optional filter specifying SGX or TDX platforms.
+    ///
+    /// # Returns
+    ///
+    /// Optional 'platform' filter.
+    /// A `String` containing the JSON array of objects, each containing `fmspc` and `platform`.
+    ///
+    /// # Errors
+    ///
+    /// Returns an `IntelApiError` if an unsupported API version is used or if the request fails.
+    pub async fn get_fmspcs(
+        &self,
+        platform_filter: Option<PlatformFilter>,
+    ) -> Result<FmspcJsonResponse, IntelApiError> {
+        if self.api_version == ApiVersion::V3 {
+            return Err(IntelApiError::UnsupportedApiVersion(
+                "API v4 only function".to_string(),
+            ));
+        }
+        let path = self.build_api_path("sgx", "", "fmspcs")?;
+        let mut url = self.base_url.join(&path)?;
+
+        if let Some(pf) = platform_filter {
+            url.query_pairs_mut()
+                .append_pair("platform", &pf.to_string());
+        }
+
+        let request_builder = self.client.get(url);
+        let response = request_builder.send().await?;
+        let response = check_status(response, &[StatusCode::OK]).await?;
+
+        let fmspcs_json = response.text().await?;
+
+        Ok(fmspcs_json)
+    }
+
+    /// GET /sgx/certification/v4/tcbevaluationdatanumbers - V4 ONLY
+    /// Retrieves the currently supported SGX TCB Evaluation Data Numbers (API v4 only).
+    ///
+    /// # Returns
+    ///
+    /// A [`TcbEvaluationDataNumbersResponse`] containing the JSON structure of TCB Evaluation
+    /// Data Numbers and an issuer chain header.
+    ///
+    /// # Errors
+    ///
+    /// Returns an `IntelApiError` if an unsupported API version is used or if the request fails.
+    pub async fn get_sgx_tcb_evaluation_data_numbers(
+        &self,
+    ) -> Result<TcbEvaluationDataNumbersResponse, IntelApiError> {
+        // Endpoint requires V4
+        if self.api_version != ApiVersion::V4 {
+            return Err(IntelApiError::UnsupportedApiVersion(
+                "SGX TCB Evaluation Data Numbers endpoint requires API v4".to_string(),
+            ));
+        }
+
+        let path = self.build_api_path("sgx", "", "tcbevaluationdatanumbers")?;
+        let url = self.base_url.join(&path)?;
+        let request_builder = self.client.get(url);
+
+        let (tcb_evaluation_data_numbers_json, issuer_chain) = self
+            .fetch_json_with_issuer_chain(
+                request_builder,
+                "TCB-Evaluation-Data-Numbers-Issuer-Chain",
+                None,
+            )
+            .await?;
+
+        Ok(TcbEvaluationDataNumbersResponse {
+            tcb_evaluation_data_numbers_json,
+            issuer_chain,
+        })
+    }
+
+    /// GET /tdx/certification/v4/tcbevaluationdatanumbers - V4 ONLY
+    /// Retrieves the currently supported TDX TCB Evaluation Data Numbers (API v4 only).
+    ///
+    /// # Returns
+    ///
+    /// A [`TcbEvaluationDataNumbersResponse`] containing the JSON structure of TCB Evaluation
+    /// Data Numbers and an issuer chain header.
+    ///
+    /// # Errors
+    ///
+    /// Returns an `IntelApiError` if an unsupported API version is used or if the request fails.
+    pub async fn get_tdx_tcb_evaluation_data_numbers(
+        &self,
+    ) -> Result<TcbEvaluationDataNumbersResponse, IntelApiError> {
+        // Endpoint requires V4
+        if self.api_version != ApiVersion::V4 {
+            return Err(IntelApiError::UnsupportedApiVersion(
+                "TDX TCB Evaluation Data Numbers endpoint requires API v4".to_string(),
+            ));
+        }
+
+        let path = self.build_api_path("tdx", "", "tcbevaluationdatanumbers")?;
+        let url = self.base_url.join(&path)?;
+        let request_builder = self.client.get(url);
+
+        let (tcb_evaluation_data_numbers_json, issuer_chain) = self
+            .fetch_json_with_issuer_chain(
+                request_builder,
+                "TCB-Evaluation-Data-Numbers-Issuer-Chain",
+                None,
+            )
+            .await?;
+
+        Ok(TcbEvaluationDataNumbersResponse {
+            tcb_evaluation_data_numbers_json,
+            issuer_chain,
+        })
+    }
+}