refactor: modularize codebase and add 404 unit tests (#13)

compliance-agent/src/api/handlers/pentest_handlers/export.rs

@@ -0,0 +1,131 @@
+use std::sync::Arc;
+
+use axum::extract::{Extension, Path};
+use axum::http::StatusCode;
+use axum::response::IntoResponse;
+use axum::Json;
+use mongodb::bson::doc;
+use serde::Deserialize;
+
+use compliance_core::models::dast::DastFinding;
+use compliance_core::models::pentest::*;
+
+use crate::agent::ComplianceAgent;
+
+use super::super::dto::collect_cursor_async;
+
+type AgentExt = Extension<Arc<ComplianceAgent>>;
+
+#[derive(Deserialize)]
+pub struct ExportBody {
+    pub password: String,
+    /// Requester display name (from auth)
+    #[serde(default)]
+    pub requester_name: String,
+    /// Requester email (from auth)
+    #[serde(default)]
+    pub requester_email: String,
+}
+
+/// POST /api/v1/pentest/sessions/:id/export — Export an encrypted pentest report archive
+#[tracing::instrument(skip_all, fields(session_id = %id))]
+pub async fn export_session_report(
+    Extension(agent): AgentExt,
+    Path(id): Path<String>,
+    Json(body): Json<ExportBody>,
+) -> Result<axum::response::Response, (StatusCode, String)> {
+    let oid = mongodb::bson::oid::ObjectId::parse_str(&id)
+        .map_err(|_| (StatusCode::BAD_REQUEST, "Invalid session ID".to_string()))?;
+
+    if body.password.len() < 8 {
+        return Err((
+            StatusCode::BAD_REQUEST,
+            "Password must be at least 8 characters".to_string(),
+        ));
+    }
+
+    // Fetch session
+    let session = agent
+        .db
+        .pentest_sessions()
+        .find_one(doc! { "_id": oid })
+        .await
+        .map_err(|e| {
+            (
+                StatusCode::INTERNAL_SERVER_ERROR,
+                format!("Database error: {e}"),
+            )
+        })?
+        .ok_or_else(|| (StatusCode::NOT_FOUND, "Session not found".to_string()))?;
+
+    // Resolve target name
+    let target = if let Ok(tid) = mongodb::bson::oid::ObjectId::parse_str(&session.target_id) {
+        agent
+            .db
+            .dast_targets()
+            .find_one(doc! { "_id": tid })
+            .await
+            .ok()
+            .flatten()
+    } else {
+        None
+    };
+    let target_name = target
+        .as_ref()
+        .map(|t| t.name.clone())
+        .unwrap_or_else(|| "Unknown Target".to_string());
+    let target_url = target
+        .as_ref()
+        .map(|t| t.base_url.clone())
+        .unwrap_or_default();
+
+    // Fetch attack chain nodes
+    let nodes: Vec<AttackChainNode> = match agent
+        .db
+        .attack_chain_nodes()
+        .find(doc! { "session_id": &id })
+        .sort(doc! { "started_at": 1 })
+        .await
+    {
+        Ok(cursor) => collect_cursor_async(cursor).await,
+        Err(_) => Vec::new(),
+    };
+
+    // Fetch DAST findings for this session
+    let findings: Vec<DastFinding> = match agent
+        .db
+        .dast_findings()
+        .find(doc! { "session_id": &id })
+        .sort(doc! { "severity": -1, "created_at": -1 })
+        .await
+    {
+        Ok(cursor) => collect_cursor_async(cursor).await,
+        Err(_) => Vec::new(),
+    };
+
+    let ctx = crate::pentest::report::ReportContext {
+        session,
+        target_name,
+        target_url,
+        findings,
+        attack_chain: nodes,
+        requester_name: if body.requester_name.is_empty() {
+            "Unknown".to_string()
+        } else {
+            body.requester_name
+        },
+        requester_email: body.requester_email,
+    };
+
+    let report = crate::pentest::generate_encrypted_report(&ctx, &body.password)
+        .await
+        .map_err(|e| (StatusCode::INTERNAL_SERVER_ERROR, e))?;
+
+    let response = serde_json::json!({
+        "archive_base64": base64::Engine::encode(&base64::engine::general_purpose::STANDARD, &report.archive),
+        "sha256": report.sha256,
+        "filename": format!("pentest-report-{id}.zip"),
+    });
+
+    Ok(Json(response).into_response())
+}