1581 lines
50 KiB
Rust
1581 lines
50 KiB
Rust
use std::{
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collections::BTreeMap,
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convert::Infallible,
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sync::Arc,
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time::{Duration, Instant},
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};
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use axum::{
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Json, Router,
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extract::{Path, State},
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http::{HeaderMap, StatusCode},
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response::{IntoResponse, Response, sse::Event},
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routing::{get, post},
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};
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use crank_core::{
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ApprovalRequest, ApprovalRequestId, ApprovalRequestStatus, AuthProfile, CoordinationStateStore,
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InvocationLevel, InvocationLog, InvocationLogId, InvocationSource, InvocationStatus,
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OperationApprovalMode, PlatformApiKeyScope, SecretId,
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};
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use crank_registry::{
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CreateApprovalRequest, CreateInvocationLogRequest, DecideApprovalRequest,
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ExpireApprovalRequest, PostgresRegistry, PublishedAgentTool,
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};
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use crank_runtime::{
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RequestRateLimiter, ResolvedAuth, RuntimeError, RuntimeExecutionRequest, RuntimeExecutor,
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RuntimeOperation, RuntimeRequestContext, SecretCrypto,
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};
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use futures_util::stream;
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use serde::{Deserialize, Serialize};
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use serde_json::{Value, json};
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use time::OffsetDateTime;
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use tracing::{info, warn};
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use crate::{
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access::{
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credential_allows_security_level, require_approval_access, require_machine_access,
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serialize_machine_access_mode, serialize_security_level,
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},
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approval_execution::{execute_approved_request, spawn_approval_recovery},
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auth::{SharedMachineCredentialVerifier, VerifiedMachineCredential},
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catalog::PublishedToolCatalog,
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jsonrpc::{
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DEFAULT_PROTOCOL_VERSION, is_notification, is_request, is_response, jsonrpc_error,
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jsonrpc_result, method_name, negotiated_protocol_version, params, request_id,
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},
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manifest::tool_definitions,
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rate_limit::{
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enforce_post_rate_limit, enforce_transport_rate_limit, rate_limited_jsonrpc_response,
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rate_limited_status_response,
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},
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session::{SessionState, SharedSessionStore},
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tool_error::{
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ToolErrorContract, generic_tool_error_contract, runtime_error_code,
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tool_error_contract_from_runtime, tool_error_text, tool_error_value,
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},
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transport::{
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AllowedOrigins, HEADER_MCP_SESSION_ID, ResponseMode, json_response,
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negotiate_post_response_mode, protocol_version_from_headers, resolve_request_id,
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session_id_from_headers, sse_response, transport_response, validate_get_accept_header,
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validate_origin, validate_session_protocol_version, with_request_id_header,
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},
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};
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const TRANSPORT_SESSION_TTL_MS: u64 = 86_400_000;
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#[derive(Clone)]
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pub(super) struct AppState {
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pub(super) registry: PostgresRegistry,
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pub(super) catalog: PublishedToolCatalog,
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pub(super) runtime: RuntimeExecutor,
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pub(super) api_rate_limiter: RequestRateLimiter,
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secret_crypto: SecretCrypto,
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sessions: SharedSessionStore,
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pub(super) credential_verifier: SharedMachineCredentialVerifier,
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allowed_origins: AllowedOrigins,
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}
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#[derive(Debug, Serialize, Deserialize)]
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struct InitializeParams {
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#[serde(rename = "protocolVersion")]
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protocol_version: String,
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#[serde(default)]
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capabilities: Value,
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}
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#[derive(Debug, Serialize, Deserialize)]
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struct ToolCallParams {
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name: String,
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#[serde(default)]
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arguments: Value,
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}
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#[derive(Debug, Deserialize)]
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struct ApprovalDecisionPayload {
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approve: String,
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#[serde(default)]
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note: Option<String>,
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}
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#[derive(Clone)]
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struct ResolvedToolCall {
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tool: PublishedAgentTool,
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}
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struct ToolCallExecution {
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tool: PublishedAgentTool,
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arguments: Value,
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confirmation_token: Option<String>,
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}
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#[derive(Clone, Debug, Deserialize)]
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pub(super) struct AgentRoutePath {
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pub(super) workspace_slug: String,
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pub(super) agent_slug: String,
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}
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#[derive(Clone, Debug, Deserialize)]
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struct ApprovalRoutePath {
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workspace_slug: String,
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agent_slug: String,
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approval_id: String,
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}
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#[allow(clippy::too_many_arguments)]
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pub fn build_app(
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registry: PostgresRegistry,
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refresh_interval: Duration,
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public_base_url: Option<String>,
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secret_crypto: SecretCrypto,
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runtime: RuntimeExecutor,
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api_rate_limiter: RequestRateLimiter,
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coordination_store: Arc<dyn CoordinationStateStore>,
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sessions: SharedSessionStore,
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credential_verifier: SharedMachineCredentialVerifier,
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) -> Router {
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build_app_inner(
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registry,
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refresh_interval,
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public_base_url,
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secret_crypto,
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runtime,
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api_rate_limiter,
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coordination_store,
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sessions,
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credential_verifier,
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false,
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)
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}
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#[allow(clippy::too_many_arguments)]
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pub fn build_app_with_background_workers(
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registry: PostgresRegistry,
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refresh_interval: Duration,
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public_base_url: Option<String>,
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secret_crypto: SecretCrypto,
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runtime: RuntimeExecutor,
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api_rate_limiter: RequestRateLimiter,
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coordination_store: Arc<dyn CoordinationStateStore>,
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sessions: SharedSessionStore,
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credential_verifier: SharedMachineCredentialVerifier,
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) -> Router {
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build_app_inner(
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registry,
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refresh_interval,
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public_base_url,
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secret_crypto,
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runtime,
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api_rate_limiter,
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coordination_store,
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sessions,
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credential_verifier,
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true,
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)
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}
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#[allow(clippy::too_many_arguments)]
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fn build_app_inner(
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registry: PostgresRegistry,
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refresh_interval: Duration,
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public_base_url: Option<String>,
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secret_crypto: SecretCrypto,
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runtime: RuntimeExecutor,
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api_rate_limiter: RequestRateLimiter,
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coordination_store: Arc<dyn CoordinationStateStore>,
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sessions: SharedSessionStore,
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credential_verifier: SharedMachineCredentialVerifier,
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start_background_workers: bool,
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) -> Router {
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let state = Arc::new(AppState {
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registry: registry.clone(),
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catalog: PublishedToolCatalog::new(registry, refresh_interval, coordination_store),
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runtime,
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api_rate_limiter,
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secret_crypto,
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sessions,
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credential_verifier,
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allowed_origins: AllowedOrigins::new(public_base_url),
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});
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if start_background_workers {
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spawn_approval_recovery(Arc::clone(&state));
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}
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Router::new()
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.route("/health", get(health))
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.route(
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"/v1/{workspace_slug}/{agent_slug}",
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get(mcp_get).post(mcp_post).delete(mcp_delete),
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)
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.route(
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"/v1/{workspace_slug}/{agent_slug}/approvals",
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get(list_pending_approvals),
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)
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.route(
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"/v1/{workspace_slug}/{agent_slug}/approvals/{approval_id}/approve",
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post(approve_request),
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)
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.route(
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"/v1/{workspace_slug}/{agent_slug}/approvals/{approval_id}",
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get(get_approval_request),
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)
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.route(
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"/v1/{workspace_slug}/{agent_slug}/approvals/{approval_id}/deny",
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post(deny_request),
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)
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.with_state(state)
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}
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async fn health() -> Json<Value> {
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Json(json!({
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"service": "mcp-server",
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"status": "ok"
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}))
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}
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async fn list_pending_approvals(
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Path(path): Path<AgentRoutePath>,
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State(state): State<Arc<AppState>>,
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headers: HeaderMap,
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) -> Response {
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let key =
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match require_approval_access(&state, &path, &headers, PlatformApiKeyScope::ReadPending)
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.await
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{
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Ok(key) => key,
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Err(status) => return status.into_response(),
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};
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let Some(agent_id) = key.api_key.agent_id.as_ref() else {
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return StatusCode::FORBIDDEN.into_response();
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};
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match state
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.registry
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.list_pending_approval_requests_for_agent(&key.api_key.workspace_id, agent_id)
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.await
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{
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Ok(items) => Json(json!({ "items": items })).into_response(),
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Err(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
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}
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}
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async fn approve_request(
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Path(path): Path<ApprovalRoutePath>,
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State(state): State<Arc<AppState>>,
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headers: HeaderMap,
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Json(payload): Json<ApprovalDecisionPayload>,
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) -> Response {
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decide_approval_request(
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path,
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state,
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headers,
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payload,
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PlatformApiKeyScope::Approve,
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ApprovalRequestStatus::Approved,
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)
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.await
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}
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async fn get_approval_request(
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Path(path): Path<ApprovalRoutePath>,
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State(state): State<Arc<AppState>>,
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headers: HeaderMap,
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) -> Response {
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let agent_path = AgentRoutePath {
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workspace_slug: path.workspace_slug,
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agent_slug: path.agent_slug,
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};
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let key = match require_approval_access(
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&state,
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&agent_path,
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&headers,
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PlatformApiKeyScope::ReadPending,
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)
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.await
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{
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Ok(key) => key,
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Err(status) => return status.into_response(),
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};
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let Some(agent_id) = key.api_key.agent_id.as_ref() else {
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return StatusCode::FORBIDDEN.into_response();
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};
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let approval_id = ApprovalRequestId::new(path.approval_id);
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approval_record_response(&state, &key.api_key.workspace_id, agent_id, &approval_id).await
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}
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async fn deny_request(
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Path(path): Path<ApprovalRoutePath>,
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State(state): State<Arc<AppState>>,
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headers: HeaderMap,
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Json(payload): Json<ApprovalDecisionPayload>,
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) -> Response {
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decide_approval_request(
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path,
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state,
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headers,
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payload,
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PlatformApiKeyScope::Deny,
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ApprovalRequestStatus::Denied,
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)
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.await
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}
|
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|
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async fn decide_approval_request(
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path: ApprovalRoutePath,
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state: Arc<AppState>,
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headers: HeaderMap,
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payload: ApprovalDecisionPayload,
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required_scope: PlatformApiKeyScope,
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status: ApprovalRequestStatus,
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) -> Response {
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let agent_path = AgentRoutePath {
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workspace_slug: path.workspace_slug,
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agent_slug: path.agent_slug,
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};
|
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let key = match require_approval_access(&state, &agent_path, &headers, required_scope).await {
|
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Ok(key) => key,
|
|
Err(status) => return status.into_response(),
|
|
};
|
|
|
|
if (status == ApprovalRequestStatus::Approved && !payload.approve.eq_ignore_ascii_case("yes"))
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|| (status == ApprovalRequestStatus::Denied && !payload.approve.eq_ignore_ascii_case("no"))
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{
|
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return (
|
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StatusCode::BAD_REQUEST,
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Json(json!({
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"error": "invalid_decision_payload",
|
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"message": "approve must be yes for approve endpoint and no for deny endpoint"
|
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})),
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)
|
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.into_response();
|
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}
|
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|
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let Some(agent_id) = key.api_key.agent_id.as_ref() else {
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return StatusCode::FORBIDDEN.into_response();
|
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};
|
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let approval_id = ApprovalRequestId::new(path.approval_id);
|
|
|
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match state
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.registry
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.decide_approval_request(DecideApprovalRequest {
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workspace_id: &key.api_key.workspace_id,
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agent_id,
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approval_id: &approval_id,
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status,
|
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decided_at: OffsetDateTime::now_utc(),
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decided_by_key_id: &key.api_key.id,
|
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response_payload: Some(json!({ "approve": payload.approve })),
|
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decision_note: payload.note.as_deref(),
|
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})
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.await
|
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{
|
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Ok(Some(record)) if status == ApprovalRequestStatus::Approved => {
|
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let claimed = match state
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.registry
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.claim_approval_request(
|
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&record.approval.workspace_id,
|
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&record.approval.agent_id,
|
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&record.approval.id,
|
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OffsetDateTime::now_utc(),
|
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)
|
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.await
|
|
{
|
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Ok(Some(claimed)) => claimed,
|
|
Ok(None) => return StatusCode::CONFLICT.into_response(),
|
|
Err(_) => return StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
};
|
|
match execute_approved_request(&state, &agent_path, claimed).await {
|
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Ok(record) => Json(json!(record)).into_response(),
|
|
Err(response) => response,
|
|
}
|
|
}
|
|
Ok(Some(record)) => Json(json!(record)).into_response(),
|
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Ok(None) => {
|
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terminal_decision_response(&state, &key.api_key.workspace_id, agent_id, &approval_id)
|
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.await
|
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}
|
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Err(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
}
|
|
}
|
|
|
|
async fn approval_record_response(
|
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state: &Arc<AppState>,
|
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workspace_id: &crank_core::WorkspaceId,
|
|
agent_id: &crank_core::AgentId,
|
|
approval_id: &ApprovalRequestId,
|
|
) -> Response {
|
|
match state
|
|
.registry
|
|
.get_approval_request_for_agent(workspace_id, agent_id, approval_id)
|
|
.await
|
|
{
|
|
Ok(Some(record))
|
|
if record.approval.status == ApprovalRequestStatus::Pending
|
|
&& record.approval.expires_at <= OffsetDateTime::now_utc() =>
|
|
{
|
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expire_approval_response(state, workspace_id, agent_id, approval_id).await
|
|
}
|
|
Ok(Some(record)) => Json(json!(record)).into_response(),
|
|
Ok(None) => StatusCode::NOT_FOUND.into_response(),
|
|
Err(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
}
|
|
}
|
|
|
|
async fn terminal_decision_response(
|
|
state: &Arc<AppState>,
|
|
workspace_id: &crank_core::WorkspaceId,
|
|
agent_id: &crank_core::AgentId,
|
|
approval_id: &ApprovalRequestId,
|
|
) -> Response {
|
|
match state
|
|
.registry
|
|
.get_approval_request_for_agent(workspace_id, agent_id, approval_id)
|
|
.await
|
|
{
|
|
Ok(Some(record))
|
|
if record.approval.status == ApprovalRequestStatus::Pending
|
|
&& record.approval.expires_at <= OffsetDateTime::now_utc() =>
|
|
{
|
|
expire_approval_response(state, workspace_id, agent_id, approval_id).await
|
|
}
|
|
Ok(Some(record))
|
|
if matches!(
|
|
record.approval.status,
|
|
ApprovalRequestStatus::Completed
|
|
| ApprovalRequestStatus::Failed
|
|
| ApprovalRequestStatus::Denied
|
|
| ApprovalRequestStatus::Expired
|
|
) =>
|
|
{
|
|
Json(json!(record)).into_response()
|
|
}
|
|
Ok(Some(_)) => StatusCode::CONFLICT.into_response(),
|
|
Ok(None) => StatusCode::NOT_FOUND.into_response(),
|
|
Err(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
}
|
|
}
|
|
|
|
async fn expire_approval_response(
|
|
state: &Arc<AppState>,
|
|
workspace_id: &crank_core::WorkspaceId,
|
|
agent_id: &crank_core::AgentId,
|
|
approval_id: &ApprovalRequestId,
|
|
) -> Response {
|
|
match state
|
|
.registry
|
|
.expire_approval_request(ExpireApprovalRequest {
|
|
workspace_id,
|
|
agent_id,
|
|
approval_id,
|
|
expired_at: OffsetDateTime::now_utc(),
|
|
})
|
|
.await
|
|
{
|
|
Ok(Some(record)) => Json(json!(record)).into_response(),
|
|
Ok(None) => StatusCode::CONFLICT.into_response(),
|
|
Err(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
}
|
|
}
|
|
|
|
async fn mcp_get(
|
|
Path(path): Path<AgentRoutePath>,
|
|
State(state): State<Arc<AppState>>,
|
|
headers: HeaderMap,
|
|
) -> Response {
|
|
if let Err(status) = validate_origin(&state.allowed_origins, &headers) {
|
|
return status.into_response();
|
|
}
|
|
|
|
if let Err(status) = validate_get_accept_header(&headers) {
|
|
return status.into_response();
|
|
}
|
|
|
|
if let Err(status) =
|
|
require_machine_access(&state, &path, &headers, PlatformApiKeyScope::Read).await
|
|
{
|
|
return status.into_response();
|
|
}
|
|
|
|
if let Err(rejection) = enforce_transport_rate_limit(&state, &path, &headers).await {
|
|
return rate_limited_status_response(rejection);
|
|
}
|
|
|
|
let session_id = match session_id_from_headers(&headers) {
|
|
Ok(Some(session_id)) => session_id,
|
|
Ok(None) => return StatusCode::BAD_REQUEST.into_response(),
|
|
Err(status) => return status.into_response(),
|
|
};
|
|
|
|
let Some(session) = (match state.sessions.get(&session_id).await {
|
|
Ok(session) => session,
|
|
Err(_) => return StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
}) else {
|
|
return StatusCode::NOT_FOUND.into_response();
|
|
};
|
|
|
|
if session.workspace_slug != path.workspace_slug || session.agent_slug != path.agent_slug {
|
|
return StatusCode::NOT_FOUND.into_response();
|
|
}
|
|
|
|
if !session.initialized {
|
|
return StatusCode::BAD_REQUEST.into_response();
|
|
}
|
|
|
|
if let Err(status) = validate_session_protocol_version(&headers, &session.protocol_version) {
|
|
return status.into_response();
|
|
}
|
|
|
|
sse_response(
|
|
StatusCode::OK,
|
|
stream::pending::<Result<Event, Infallible>>(),
|
|
Some(&session_id),
|
|
Some(&session.protocol_version),
|
|
)
|
|
}
|
|
|
|
async fn mcp_delete(
|
|
Path(path): Path<AgentRoutePath>,
|
|
State(state): State<Arc<AppState>>,
|
|
headers: HeaderMap,
|
|
) -> Response {
|
|
if let Err(status) =
|
|
require_machine_access(&state, &path, &headers, PlatformApiKeyScope::Read).await
|
|
{
|
|
return status.into_response();
|
|
}
|
|
|
|
if let Err(rejection) = enforce_transport_rate_limit(&state, &path, &headers).await {
|
|
return rate_limited_status_response(rejection);
|
|
}
|
|
|
|
match session_id_from_headers(&headers) {
|
|
Ok(Some(session_id)) => match state.sessions.get(&session_id).await {
|
|
Ok(Some(session))
|
|
if session.workspace_slug == path.workspace_slug
|
|
&& session.agent_slug == path.agent_slug =>
|
|
{
|
|
match state.sessions.delete(&session_id).await {
|
|
Ok(true) => StatusCode::NO_CONTENT.into_response(),
|
|
Ok(false) => StatusCode::NOT_FOUND.into_response(),
|
|
Err(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
}
|
|
}
|
|
Ok(Some(_)) => StatusCode::NOT_FOUND.into_response(),
|
|
Ok(None) => StatusCode::NOT_FOUND.into_response(),
|
|
Err(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
},
|
|
Ok(None) => StatusCode::BAD_REQUEST.into_response(),
|
|
Err(status) => status.into_response(),
|
|
}
|
|
}
|
|
|
|
async fn mcp_post(
|
|
Path(path): Path<AgentRoutePath>,
|
|
State(state): State<Arc<AppState>>,
|
|
headers: HeaderMap,
|
|
Json(message): Json<Value>,
|
|
) -> Response {
|
|
let transport_request_id = resolve_request_id(&headers);
|
|
info!(
|
|
request_id = %transport_request_id,
|
|
workspace_slug = %path.workspace_slug,
|
|
agent_slug = %path.agent_slug,
|
|
jsonrpc_method = method_name(&message).unwrap_or("<unknown>"),
|
|
"mcp request received"
|
|
);
|
|
|
|
if let Err(status) = validate_origin(&state.allowed_origins, &headers) {
|
|
return with_request_id_header(status.into_response(), &transport_request_id);
|
|
}
|
|
|
|
let response_mode = match negotiate_post_response_mode(&headers) {
|
|
Ok(mode) => mode,
|
|
Err(status) => {
|
|
return with_request_id_header(status.into_response(), &transport_request_id);
|
|
}
|
|
};
|
|
|
|
if is_response(&message) || is_notification(&message) && method_name(&message).is_none() {
|
|
return with_request_id_header(StatusCode::ACCEPTED.into_response(), &transport_request_id);
|
|
}
|
|
|
|
let protocol_version = match protocol_version_from_headers(&headers) {
|
|
Ok(value) => value,
|
|
Err(status) => {
|
|
return with_request_id_header(status.into_response(), &transport_request_id);
|
|
}
|
|
};
|
|
|
|
if let Err(rejection) = enforce_post_rate_limit(&state, &path, &headers).await {
|
|
return with_request_id_header(
|
|
rate_limited_jsonrpc_response(&message, response_mode, &protocol_version, rejection),
|
|
&transport_request_id,
|
|
);
|
|
}
|
|
|
|
if let Some(session_id) = headers.get(HEADER_MCP_SESSION_ID)
|
|
&& let Ok(session_id) = session_id.to_str()
|
|
{
|
|
let session = match state.sessions.get(session_id).await {
|
|
Ok(session) => session,
|
|
Err(_) => {
|
|
return with_request_id_header(
|
|
StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
&transport_request_id,
|
|
);
|
|
}
|
|
};
|
|
if let Some(session) = session
|
|
&& let Err(status) =
|
|
validate_session_protocol_version(&headers, &session.protocol_version)
|
|
{
|
|
return with_request_id_header(status.into_response(), &transport_request_id);
|
|
}
|
|
}
|
|
|
|
let required_scope = match method_name(&message) {
|
|
Some("tools/call") => PlatformApiKeyScope::Write,
|
|
_ => PlatformApiKeyScope::Read,
|
|
};
|
|
let credential = match require_machine_access(&state, &path, &headers, required_scope).await {
|
|
Ok(credential) => credential,
|
|
Err(status) => {
|
|
return with_request_id_header(status.into_response(), &transport_request_id);
|
|
}
|
|
};
|
|
|
|
let response = match method_name(&message) {
|
|
Some("initialize") if is_request(&message) => {
|
|
handle_initialize(state, &path, &message, response_mode).await
|
|
}
|
|
Some("notifications/initialized") if is_notification(&message) => {
|
|
handle_initialized_notification(state, &path, &headers).await
|
|
}
|
|
Some("ping") if is_request(&message) => {
|
|
let session = match require_initialized_session(&state, &path, &headers, &message).await
|
|
{
|
|
Ok(session) => session,
|
|
Err(response) => return response,
|
|
};
|
|
|
|
transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_result(
|
|
request_id(&message),
|
|
json!({ "protocolVersion": session.protocol_version }),
|
|
),
|
|
response_mode,
|
|
None,
|
|
Some(&session.protocol_version),
|
|
)
|
|
}
|
|
Some("tools/list") if is_request(&message) => {
|
|
let session = match require_initialized_session(&state, &path, &headers, &message).await
|
|
{
|
|
Ok(session) => session,
|
|
Err(response) => return response,
|
|
};
|
|
|
|
match state
|
|
.catalog
|
|
.list_tools(&session.workspace_slug, &session.agent_slug)
|
|
.await
|
|
{
|
|
Ok(tools) => {
|
|
let definitions = tools.iter().flat_map(tool_definitions).collect::<Vec<_>>();
|
|
|
|
transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_result(request_id(&message), json!({ "tools": definitions })),
|
|
response_mode,
|
|
None,
|
|
Some(&session.protocol_version),
|
|
)
|
|
}
|
|
Err(error) => internal_jsonrpc_error(&message, error),
|
|
}
|
|
}
|
|
Some("tools/call") if is_request(&message) => {
|
|
let session = match require_initialized_session(&state, &path, &headers, &message).await
|
|
{
|
|
Ok(session) => session,
|
|
Err(response) => return response,
|
|
};
|
|
let tool_call_params: ToolCallParams = match serde_json::from_value(params(&message)) {
|
|
Ok(value) => value,
|
|
Err(error) => {
|
|
return transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_error(request_id(&message), -32602, error.to_string()),
|
|
response_mode,
|
|
None,
|
|
Some(&session.protocol_version),
|
|
);
|
|
}
|
|
};
|
|
|
|
let mut arguments = if tool_call_params.arguments.is_null() {
|
|
json!({})
|
|
} else {
|
|
tool_call_params.arguments
|
|
};
|
|
let confirmation_token = take_confirmation_token(&mut arguments);
|
|
|
|
match state
|
|
.catalog
|
|
.list_tools(&session.workspace_slug, &session.agent_slug)
|
|
.await
|
|
{
|
|
Ok(tools) => match resolve_generated_tool(&tools, &tool_call_params.name) {
|
|
Some(resolved) => {
|
|
handle_tool_call(
|
|
state.clone(),
|
|
&session,
|
|
&message,
|
|
response_mode,
|
|
&credential,
|
|
resolved,
|
|
arguments,
|
|
confirmation_token,
|
|
&transport_request_id,
|
|
)
|
|
.await
|
|
}
|
|
None => transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_error(
|
|
request_id(&message),
|
|
-32602,
|
|
format!("tool {} was not found", tool_call_params.name),
|
|
),
|
|
response_mode,
|
|
None,
|
|
Some(&session.protocol_version),
|
|
),
|
|
},
|
|
Err(error) => internal_jsonrpc_error(&message, error),
|
|
}
|
|
}
|
|
Some(method) if is_notification(&message) => {
|
|
let _ = method;
|
|
StatusCode::ACCEPTED.into_response()
|
|
}
|
|
Some(method) => transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_error(
|
|
request_id(&message),
|
|
-32601,
|
|
format!("method {method} is not supported"),
|
|
),
|
|
response_mode,
|
|
None,
|
|
Some(&protocol_version),
|
|
),
|
|
None => transport_response(
|
|
StatusCode::BAD_REQUEST,
|
|
jsonrpc_error(Value::Null, -32600, "invalid JSON-RPC message"),
|
|
response_mode,
|
|
None,
|
|
Some(&protocol_version),
|
|
),
|
|
};
|
|
|
|
with_request_id_header(response, &transport_request_id)
|
|
}
|
|
|
|
#[allow(clippy::too_many_arguments)]
|
|
async fn handle_tool_call(
|
|
state: Arc<AppState>,
|
|
session: &SessionState,
|
|
message: &Value,
|
|
response_mode: ResponseMode,
|
|
credential: &VerifiedMachineCredential,
|
|
resolved: ResolvedToolCall,
|
|
arguments: Value,
|
|
confirmation_token: Option<String>,
|
|
transport_request_id: &str,
|
|
) -> Response {
|
|
if !credential_allows_security_level(credential, resolved.tool.operation.security_level) {
|
|
return tool_error_response(
|
|
message,
|
|
response_mode,
|
|
&session.protocol_version,
|
|
generic_tool_error_contract(
|
|
"machine_access_insufficient",
|
|
format!(
|
|
"machine access mode {} does not satisfy {} operation security",
|
|
serialize_machine_access_mode(credential.machine_access_mode),
|
|
serialize_security_level(resolved.tool.operation.security_level),
|
|
),
|
|
transport_request_id,
|
|
false,
|
|
Some("Используйте ключ агента с достаточным уровнем доступа."),
|
|
),
|
|
);
|
|
}
|
|
|
|
handle_base_tool_call(
|
|
state,
|
|
session,
|
|
message,
|
|
response_mode,
|
|
ToolCallExecution {
|
|
tool: resolved.tool,
|
|
arguments,
|
|
confirmation_token,
|
|
},
|
|
transport_request_id,
|
|
)
|
|
.await
|
|
}
|
|
|
|
pub(super) async fn resolve_operation_auth(
|
|
state: &Arc<AppState>,
|
|
workspace_id: &crank_core::WorkspaceId,
|
|
execution_config: &crank_core::ExecutionConfig,
|
|
) -> Result<Option<ResolvedAuth>, RuntimeError> {
|
|
resolve_runtime_auth_for_task(
|
|
&state.registry,
|
|
&state.secret_crypto,
|
|
workspace_id,
|
|
execution_config,
|
|
)
|
|
.await
|
|
}
|
|
|
|
async fn resolve_runtime_auth_for_task(
|
|
registry: &PostgresRegistry,
|
|
secret_crypto: &SecretCrypto,
|
|
workspace_id: &crank_core::WorkspaceId,
|
|
execution_config: &crank_core::ExecutionConfig,
|
|
) -> Result<Option<ResolvedAuth>, RuntimeError> {
|
|
let Some(auth_profile_id) = execution_config.auth_profile_ref.as_ref() else {
|
|
return Ok(None);
|
|
};
|
|
|
|
let auth_profile = registry
|
|
.get_auth_profile(workspace_id, auth_profile_id)
|
|
.await
|
|
.map_err(|error| RuntimeError::SecretCrypto {
|
|
operation: "load auth profile",
|
|
details: error.to_string(),
|
|
})?
|
|
.ok_or_else(|| RuntimeError::MissingAuthProfile {
|
|
auth_profile_id: auth_profile_id.as_str().to_owned(),
|
|
})?;
|
|
|
|
resolve_auth_profile(registry, secret_crypto, workspace_id, &auth_profile)
|
|
.await
|
|
.map(Some)
|
|
}
|
|
|
|
async fn resolve_auth_profile(
|
|
registry: &PostgresRegistry,
|
|
secret_crypto: &SecretCrypto,
|
|
workspace_id: &crank_core::WorkspaceId,
|
|
auth_profile: &AuthProfile,
|
|
) -> Result<ResolvedAuth, RuntimeError> {
|
|
let mut secrets = BTreeMap::new();
|
|
let used_at = OffsetDateTime::now_utc();
|
|
|
|
for secret_id in auth_profile.config.secret_ids() {
|
|
let secret = registry
|
|
.get_secret(workspace_id, secret_id)
|
|
.await
|
|
.map_err(|error| RuntimeError::SecretCrypto {
|
|
operation: "load secret",
|
|
details: error.to_string(),
|
|
})?
|
|
.ok_or_else(|| RuntimeError::MissingSecret {
|
|
secret_id: secret_id.as_str().to_owned(),
|
|
})?;
|
|
let version = registry
|
|
.get_current_secret_version(workspace_id, secret_id)
|
|
.await
|
|
.map_err(|error| RuntimeError::SecretCrypto {
|
|
operation: "load current secret version",
|
|
details: error.to_string(),
|
|
})?
|
|
.ok_or_else(|| RuntimeError::MissingSecretVersion {
|
|
secret_id: secret_id.as_str().to_owned(),
|
|
version: secret.secret.current_version,
|
|
})?;
|
|
let plaintext = secret_crypto.decrypt(
|
|
&version.secret_version.key_version,
|
|
&version.secret_version.ciphertext,
|
|
)?;
|
|
registry
|
|
.touch_secret(workspace_id, secret_id, &used_at)
|
|
.await
|
|
.map_err(|error| RuntimeError::SecretCrypto {
|
|
operation: "touch secret",
|
|
details: error.to_string(),
|
|
})?;
|
|
secrets.insert(SecretId::new(secret_id.as_str()), plaintext);
|
|
}
|
|
|
|
ResolvedAuth::from_profile(auth_profile, &secrets)
|
|
}
|
|
|
|
async fn handle_base_tool_call(
|
|
state: Arc<AppState>,
|
|
session: &SessionState,
|
|
message: &Value,
|
|
response_mode: ResponseMode,
|
|
execution: ToolCallExecution,
|
|
transport_request_id: &str,
|
|
) -> Response {
|
|
let tool = execution.tool;
|
|
let arguments = execution.arguments;
|
|
let operation = runtime_operation(&tool);
|
|
if let Some(response) = maybe_handle_approval_policy(
|
|
&state,
|
|
session,
|
|
message,
|
|
response_mode,
|
|
&tool,
|
|
&arguments,
|
|
transport_request_id,
|
|
)
|
|
.await
|
|
{
|
|
return response;
|
|
}
|
|
|
|
let mut runtime_request_context = RuntimeRequestContext::from_request_id(transport_request_id)
|
|
.with_response_cache_scope(
|
|
tool.workspace_id.as_str().to_owned(),
|
|
tool.agent_id.as_str().to_owned(),
|
|
)
|
|
.with_metering_context(
|
|
tool.workspace_id.clone(),
|
|
Some(tool.agent_id.clone()),
|
|
InvocationSource::AgentToolCall,
|
|
);
|
|
if let Some(token) = execution.confirmation_token {
|
|
runtime_request_context = runtime_request_context.with_confirmation_token(token);
|
|
}
|
|
let request_preview = build_request_preview(&state.runtime, &operation, &arguments);
|
|
let started_at = Instant::now();
|
|
let resolved_auth =
|
|
resolve_operation_auth(&state, &tool.workspace_id, &operation.execution_config).await;
|
|
|
|
let result = match resolved_auth {
|
|
Ok(resolved_auth) => {
|
|
state
|
|
.runtime
|
|
.execute_request(
|
|
RuntimeExecutionRequest::new(&operation, &arguments)
|
|
.with_optional_auth(resolved_auth.as_ref())
|
|
.with_context(&runtime_request_context),
|
|
)
|
|
.await
|
|
}
|
|
Err(error) => Err(error),
|
|
};
|
|
|
|
match result {
|
|
Ok(output) => {
|
|
if let Err(error) = persist_invocation(
|
|
&state,
|
|
&tool,
|
|
InvocationRecord {
|
|
request_id: Some(transport_request_id),
|
|
tool_name: &tool.tool_name,
|
|
status: InvocationStatus::Ok,
|
|
level: InvocationLevel::Info,
|
|
message: "agent tool call completed",
|
|
status_code: None,
|
|
error_kind: None,
|
|
duration: started_at.elapsed(),
|
|
request_preview,
|
|
response_preview: output.clone(),
|
|
},
|
|
)
|
|
.await
|
|
{
|
|
warn!(error = %error, "successful invocation log write failed");
|
|
}
|
|
|
|
success_tool_response(message, response_mode, &session.protocol_version, output)
|
|
}
|
|
Err(error) => {
|
|
if let Err(log_error) = persist_invocation(
|
|
&state,
|
|
&tool,
|
|
InvocationRecord {
|
|
request_id: Some(transport_request_id),
|
|
tool_name: &tool.tool_name,
|
|
status: InvocationStatus::Error,
|
|
level: InvocationLevel::Error,
|
|
message: &error.to_string(),
|
|
status_code: None,
|
|
error_kind: Some(runtime_error_code(&error)),
|
|
duration: started_at.elapsed(),
|
|
request_preview,
|
|
response_preview: Value::Null,
|
|
},
|
|
)
|
|
.await
|
|
{
|
|
warn!(error = %log_error, "failed invocation log write failed");
|
|
}
|
|
|
|
tool_error_response(
|
|
message,
|
|
response_mode,
|
|
&session.protocol_version,
|
|
tool_error_contract_from_runtime(&error, transport_request_id),
|
|
)
|
|
}
|
|
}
|
|
}
|
|
|
|
async fn maybe_handle_approval_policy(
|
|
state: &Arc<AppState>,
|
|
session: &SessionState,
|
|
message: &Value,
|
|
response_mode: ResponseMode,
|
|
tool: &PublishedAgentTool,
|
|
arguments: &Value,
|
|
transport_request_id: &str,
|
|
) -> Option<Response> {
|
|
let policy = tool.operation.execution_config.approval_policy.as_ref()?;
|
|
if !policy.required {
|
|
return None;
|
|
}
|
|
|
|
match policy.mode {
|
|
OperationApprovalMode::Custom => {
|
|
maybe_create_custom_pending_approval(
|
|
state,
|
|
session,
|
|
message,
|
|
response_mode,
|
|
tool,
|
|
arguments,
|
|
transport_request_id,
|
|
)
|
|
.await
|
|
}
|
|
OperationApprovalMode::Elicitation => Some(handle_elicitation_approval(
|
|
session,
|
|
message,
|
|
response_mode,
|
|
tool,
|
|
arguments,
|
|
policy.elicitation_message.as_deref(),
|
|
transport_request_id,
|
|
)),
|
|
}
|
|
}
|
|
|
|
async fn maybe_create_custom_pending_approval(
|
|
state: &Arc<AppState>,
|
|
session: &SessionState,
|
|
message: &Value,
|
|
response_mode: ResponseMode,
|
|
tool: &PublishedAgentTool,
|
|
arguments: &Value,
|
|
transport_request_id: &str,
|
|
) -> Option<Response> {
|
|
let policy = tool.operation.execution_config.approval_policy.as_ref()?;
|
|
|
|
let approval_id = ApprovalRequestId::new(format!("approval_{}", uuid::Uuid::now_v7().simple()));
|
|
let now = OffsetDateTime::now_utc();
|
|
let expires_at = now + time::Duration::seconds(i64::from(policy.ttl_seconds));
|
|
let approval_url = approval_url_for(tool, &approval_id);
|
|
let response_payload = json!({
|
|
"status": "approval_required",
|
|
"approval_id": approval_id.as_str(),
|
|
"approval_url": approval_url,
|
|
"approve": {
|
|
"method": "POST",
|
|
"url": format!("{approval_url}/approve"),
|
|
"body": { "approve": "yes" }
|
|
},
|
|
"deny": {
|
|
"method": "POST",
|
|
"url": format!("{approval_url}/deny"),
|
|
"body": { "approve": "no" }
|
|
},
|
|
"expires_at": expires_at,
|
|
"risk_level": policy.risk_level,
|
|
"payload_preview": if policy.show_payload_preview {
|
|
arguments.clone()
|
|
} else {
|
|
Value::Null
|
|
},
|
|
});
|
|
let approval = ApprovalRequest {
|
|
id: approval_id,
|
|
workspace_id: tool.workspace_id.clone(),
|
|
agent_id: tool.agent_id.clone(),
|
|
operation_id: tool.operation.id.clone(),
|
|
operation_version: tool.operation.version,
|
|
status: ApprovalRequestStatus::Pending,
|
|
risk_level: policy.risk_level,
|
|
request_payload: arguments.clone(),
|
|
response_payload: None,
|
|
created_at: now,
|
|
expires_at,
|
|
decided_at: None,
|
|
decided_by_key_id: None,
|
|
decision_note: None,
|
|
};
|
|
|
|
let persisted_approval = match state
|
|
.registry
|
|
.create_approval_request(CreateApprovalRequest {
|
|
approval: &approval,
|
|
})
|
|
.await
|
|
{
|
|
Ok(approval) => approval,
|
|
Err(error) => return Some(internal_jsonrpc_error(message, error)),
|
|
};
|
|
let response_payload = persisted_approval
|
|
.approval
|
|
.response_payload
|
|
.unwrap_or(response_payload);
|
|
|
|
if let Err(error) = persist_invocation(
|
|
state,
|
|
tool,
|
|
InvocationRecord {
|
|
request_id: Some(transport_request_id),
|
|
tool_name: &tool.tool_name,
|
|
status: InvocationStatus::Ok,
|
|
level: InvocationLevel::Info,
|
|
message: "agent tool call is waiting for human approval",
|
|
status_code: None,
|
|
error_kind: None,
|
|
duration: Duration::from_millis(0),
|
|
request_preview: arguments.clone(),
|
|
response_preview: response_payload.clone(),
|
|
},
|
|
)
|
|
.await
|
|
{
|
|
warn!(error = %error, "pending approval invocation log write failed");
|
|
}
|
|
|
|
Some(success_tool_response(
|
|
message,
|
|
response_mode,
|
|
&session.protocol_version,
|
|
response_payload,
|
|
))
|
|
}
|
|
|
|
fn handle_elicitation_approval(
|
|
session: &SessionState,
|
|
message: &Value,
|
|
response_mode: ResponseMode,
|
|
tool: &PublishedAgentTool,
|
|
arguments: &Value,
|
|
elicitation_message: Option<&str>,
|
|
transport_request_id: &str,
|
|
) -> Response {
|
|
if !session.supports_elicitation {
|
|
return tool_error_response(
|
|
message,
|
|
response_mode,
|
|
&session.protocol_version,
|
|
generic_tool_error_contract(
|
|
"approval_elicitation_not_supported",
|
|
"operation requires MCP Elicitation, but the MCP client did not advertise elicitation capability",
|
|
transport_request_id,
|
|
false,
|
|
Some(
|
|
"Выберите Custom MCP Approval или подключите MCP-клиент с поддержкой elicitation.",
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
let payload_preview = tool
|
|
.operation
|
|
.execution_config
|
|
.approval_policy
|
|
.as_ref()
|
|
.and_then(|policy| policy.show_payload_preview.then(|| arguments.clone()))
|
|
.unwrap_or(Value::Null);
|
|
|
|
success_tool_response(
|
|
message,
|
|
response_mode,
|
|
&session.protocol_version,
|
|
json!({
|
|
"status": "elicitation_required",
|
|
"message": elicitation_message.unwrap_or("Confirm operation execution."),
|
|
"tool": tool.tool_name,
|
|
"payload_preview": payload_preview,
|
|
"note": "This MCP client advertised elicitation support. Full elicitation/create continuation is handled by compatible client integrations.",
|
|
}),
|
|
)
|
|
}
|
|
|
|
fn approval_url_for(tool: &PublishedAgentTool, approval_id: &ApprovalRequestId) -> String {
|
|
format!(
|
|
"/v1/{}/{}/approvals/{}",
|
|
tool.workspace_slug,
|
|
tool.agent_slug,
|
|
approval_id.as_str()
|
|
)
|
|
}
|
|
|
|
async fn handle_initialize(
|
|
state: Arc<AppState>,
|
|
path: &AgentRoutePath,
|
|
message: &Value,
|
|
response_mode: ResponseMode,
|
|
) -> Response {
|
|
let initialize_params: InitializeParams = match serde_json::from_value(params(message)) {
|
|
Ok(value) => value,
|
|
Err(error) => {
|
|
return transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_error(request_id(message), -32602, error.to_string()),
|
|
response_mode,
|
|
None,
|
|
Some(DEFAULT_PROTOCOL_VERSION),
|
|
);
|
|
}
|
|
};
|
|
let Some(protocol_version) = negotiated_protocol_version(&initialize_params.protocol_version)
|
|
else {
|
|
return transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_error(
|
|
request_id(message),
|
|
-32602,
|
|
format!(
|
|
"unsupported protocol version {}",
|
|
initialize_params.protocol_version
|
|
),
|
|
),
|
|
response_mode,
|
|
None,
|
|
Some(DEFAULT_PROTOCOL_VERSION),
|
|
);
|
|
};
|
|
let now = OffsetDateTime::now_utc();
|
|
let expires_at = add_millis(now, TRANSPORT_SESSION_TTL_MS);
|
|
let supports_elicitation = initialize_params
|
|
.capabilities
|
|
.get("elicitation")
|
|
.is_some_and(Value::is_object);
|
|
let session_id = match state
|
|
.sessions
|
|
.create(
|
|
protocol_version,
|
|
&path.workspace_slug,
|
|
&path.agent_slug,
|
|
supports_elicitation,
|
|
now,
|
|
Some(expires_at),
|
|
)
|
|
.await
|
|
{
|
|
Ok(session_id) => session_id,
|
|
Err(error) => return internal_jsonrpc_error(message, error),
|
|
};
|
|
|
|
transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_result(
|
|
request_id(message),
|
|
json!({
|
|
"protocolVersion": protocol_version,
|
|
"capabilities": {
|
|
"tools": {
|
|
"listChanged": false
|
|
}
|
|
},
|
|
"serverInfo": {
|
|
"name": "crank-mcp-server",
|
|
"version": env!("CARGO_PKG_VERSION")
|
|
}
|
|
}),
|
|
),
|
|
response_mode,
|
|
Some(&session_id),
|
|
Some(protocol_version),
|
|
)
|
|
}
|
|
|
|
async fn handle_initialized_notification(
|
|
state: Arc<AppState>,
|
|
path: &AgentRoutePath,
|
|
headers: &HeaderMap,
|
|
) -> Response {
|
|
match session_id_from_headers(headers) {
|
|
Ok(Some(session_id)) => match state.sessions.get(&session_id).await {
|
|
Ok(Some(session))
|
|
if session.workspace_slug == path.workspace_slug
|
|
&& session.agent_slug == path.agent_slug =>
|
|
{
|
|
match state
|
|
.sessions
|
|
.mark_initialized(&session_id, OffsetDateTime::now_utc())
|
|
.await
|
|
{
|
|
Ok(true) => StatusCode::ACCEPTED.into_response(),
|
|
Ok(false) => StatusCode::NOT_FOUND.into_response(),
|
|
Err(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
}
|
|
}
|
|
Ok(Some(_)) => StatusCode::NOT_FOUND.into_response(),
|
|
Ok(None) => StatusCode::NOT_FOUND.into_response(),
|
|
Err(_) => StatusCode::INTERNAL_SERVER_ERROR.into_response(),
|
|
},
|
|
Ok(None) => StatusCode::BAD_REQUEST.into_response(),
|
|
Err(status) => status.into_response(),
|
|
}
|
|
}
|
|
|
|
async fn require_initialized_session(
|
|
state: &Arc<AppState>,
|
|
path: &AgentRoutePath,
|
|
headers: &HeaderMap,
|
|
message: &Value,
|
|
) -> Result<SessionState, Response> {
|
|
let session_id = match session_id_from_headers(headers) {
|
|
Ok(Some(session_id)) => session_id,
|
|
Ok(None) => return Err(StatusCode::BAD_REQUEST.into_response()),
|
|
Err(status) => return Err(status.into_response()),
|
|
};
|
|
|
|
let Some(session) = (match state.sessions.get(&session_id).await {
|
|
Ok(session) => session,
|
|
Err(_) => return Err(StatusCode::INTERNAL_SERVER_ERROR.into_response()),
|
|
}) else {
|
|
return Err(StatusCode::NOT_FOUND.into_response());
|
|
};
|
|
|
|
if session.workspace_slug != path.workspace_slug || session.agent_slug != path.agent_slug {
|
|
return Err(StatusCode::NOT_FOUND.into_response());
|
|
}
|
|
|
|
if !session.initialized {
|
|
return Err(json_response(
|
|
StatusCode::OK,
|
|
jsonrpc_error(request_id(message), -32002, "session is not initialized"),
|
|
None,
|
|
Some(&session.protocol_version),
|
|
));
|
|
}
|
|
|
|
Ok(session)
|
|
}
|
|
|
|
fn internal_jsonrpc_error(message: &Value, error: impl std::fmt::Display) -> Response {
|
|
transport_response(
|
|
StatusCode::INTERNAL_SERVER_ERROR,
|
|
jsonrpc_error(request_id(message), -32603, error.to_string()),
|
|
ResponseMode::Json,
|
|
None,
|
|
Some(DEFAULT_PROTOCOL_VERSION),
|
|
)
|
|
}
|
|
|
|
fn take_confirmation_token(arguments: &mut Value) -> Option<String> {
|
|
let Value::Object(object) = arguments else {
|
|
return None;
|
|
};
|
|
object
|
|
.remove("_crank_confirmation_token")
|
|
.and_then(|value| value.as_str().map(str::to_owned))
|
|
.filter(|value| !value.trim().is_empty())
|
|
}
|
|
|
|
pub(super) fn build_request_preview(
|
|
runtime: &RuntimeExecutor,
|
|
operation: &RuntimeOperation,
|
|
arguments: &Value,
|
|
) -> Value {
|
|
match runtime.prepare_request(operation, arguments) {
|
|
Ok(prepared) => json!({
|
|
"path": prepared.path_params,
|
|
"query": prepared.query_params,
|
|
"headers": prepared.headers,
|
|
"body": prepared.body.unwrap_or(Value::Null)
|
|
}),
|
|
Err(_) => Value::Null,
|
|
}
|
|
}
|
|
|
|
pub(super) struct InvocationRecord<'a> {
|
|
pub(super) request_id: Option<&'a str>,
|
|
pub(super) tool_name: &'a str,
|
|
pub(super) status: InvocationStatus,
|
|
pub(super) level: InvocationLevel,
|
|
pub(super) message: &'a str,
|
|
pub(super) status_code: Option<u16>,
|
|
pub(super) error_kind: Option<&'a str>,
|
|
pub(super) duration: Duration,
|
|
pub(super) request_preview: Value,
|
|
pub(super) response_preview: Value,
|
|
}
|
|
|
|
pub(super) async fn persist_invocation(
|
|
state: &Arc<AppState>,
|
|
tool: &PublishedAgentTool,
|
|
record: InvocationRecord<'_>,
|
|
) -> Result<(), crank_registry::RegistryError> {
|
|
let created_at = OffsetDateTime::now_utc();
|
|
let duration_ms = u64::try_from(record.duration.as_millis()).unwrap_or(u64::MAX);
|
|
let log = InvocationLog {
|
|
id: InvocationLogId::new(format!("log_{}", uuid::Uuid::now_v7().simple())),
|
|
workspace_id: tool.workspace_id.clone(),
|
|
agent_id: Some(tool.agent_id.clone()),
|
|
operation_id: tool.operation.id.clone(),
|
|
source: InvocationSource::AgentToolCall,
|
|
level: record.level,
|
|
status: record.status,
|
|
tool_name: record.tool_name.to_owned(),
|
|
message: record.message.to_owned(),
|
|
request_id: record.request_id.map(ToOwned::to_owned),
|
|
status_code: record.status_code,
|
|
duration_ms,
|
|
error_kind: record.error_kind.map(ToOwned::to_owned),
|
|
request_preview: record.request_preview,
|
|
response_preview: record.response_preview,
|
|
created_at,
|
|
};
|
|
|
|
state
|
|
.registry
|
|
.create_invocation_log(CreateInvocationLogRequest { log: &log })
|
|
.await
|
|
}
|
|
|
|
fn success_tool_response(
|
|
message: &Value,
|
|
response_mode: ResponseMode,
|
|
protocol_version: &str,
|
|
output: Value,
|
|
) -> Response {
|
|
transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_result(
|
|
request_id(message),
|
|
json!({
|
|
"content": [
|
|
{
|
|
"type": "text",
|
|
"text": serde_json::to_string_pretty(&output).unwrap_or_else(|_| "{}".to_owned())
|
|
}
|
|
],
|
|
"structuredContent": output,
|
|
"isError": false
|
|
}),
|
|
),
|
|
response_mode,
|
|
None,
|
|
Some(protocol_version),
|
|
)
|
|
}
|
|
|
|
fn tool_error_response(
|
|
message: &Value,
|
|
response_mode: ResponseMode,
|
|
protocol_version: &str,
|
|
error: ToolErrorContract,
|
|
) -> Response {
|
|
let error_message = tool_error_text(&error);
|
|
let error_value = tool_error_value(&error);
|
|
|
|
transport_response(
|
|
StatusCode::OK,
|
|
jsonrpc_result(
|
|
request_id(message),
|
|
json!({
|
|
"content": [
|
|
{
|
|
"type": "text",
|
|
"text": error_message
|
|
}
|
|
],
|
|
"structuredContent": {
|
|
"error": error_value
|
|
},
|
|
"isError": true
|
|
}),
|
|
),
|
|
response_mode,
|
|
None,
|
|
Some(protocol_version),
|
|
)
|
|
}
|
|
|
|
fn add_millis(timestamp: OffsetDateTime, millis: u64) -> OffsetDateTime {
|
|
let delta = time::Duration::milliseconds(i64::try_from(millis).unwrap_or(i64::MAX));
|
|
|
|
timestamp + delta
|
|
}
|
|
|
|
fn resolve_generated_tool(
|
|
tools: &[PublishedAgentTool],
|
|
tool_name: &str,
|
|
) -> Option<ResolvedToolCall> {
|
|
for tool in tools {
|
|
if tool.tool_name == tool_name {
|
|
return Some(ResolvedToolCall { tool: tool.clone() });
|
|
}
|
|
}
|
|
|
|
None
|
|
}
|
|
|
|
pub(super) fn runtime_operation(tool: &PublishedAgentTool) -> RuntimeOperation {
|
|
let mut operation = RuntimeOperation::from(tool.operation.clone());
|
|
operation.tool_name = tool.tool_name.clone();
|
|
operation.tool_description.title = tool.tool_title.clone();
|
|
operation.tool_description.description = tool.tool_description.clone();
|
|
operation
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use axum::body::to_bytes;
|
|
use serde_json::{Value, json};
|
|
|
|
use super::{ResponseMode, tool_error_response};
|
|
use crate::jsonrpc::CURRENT_PROTOCOL_VERSION;
|
|
use crate::tool_error::generic_tool_error_contract;
|
|
|
|
#[tokio::test]
|
|
async fn tool_error_response_includes_structured_context() {
|
|
let response = tool_error_response(
|
|
&json!({"jsonrpc": "2.0", "id": "req-1"}),
|
|
ResponseMode::Json,
|
|
CURRENT_PROTOCOL_VERSION,
|
|
generic_tool_error_contract(
|
|
"streaming_payload_error",
|
|
"request root must be an object",
|
|
"req-1",
|
|
false,
|
|
Some("Проверьте параметры вызова инструмента."),
|
|
),
|
|
);
|
|
|
|
let body = to_bytes(response.into_body(), usize::MAX).await.unwrap();
|
|
let payload: Value = serde_json::from_slice(&body).unwrap();
|
|
|
|
assert_eq!(
|
|
payload["result"]["structuredContent"]["error"],
|
|
json!({
|
|
"code": "streaming_payload_error",
|
|
"error_code": "streaming_payload_error",
|
|
"message": "request root must be an object",
|
|
"recoverable": false,
|
|
"request_id": "req-1",
|
|
"suggested_action": "Проверьте параметры вызова инструмента."
|
|
})
|
|
);
|
|
}
|
|
}
|