(
request: http.IncomingMessage,
response: http.ServerResponse,
)
| 123 | }; |
| 124 | |
| 125 | const handleMcpRequest = ( |
| 126 | request: http.IncomingMessage, |
| 127 | response: http.ServerResponse, |
| 128 | ): Effect.Effect<void> => |
| 129 | Effect.gen(function* () { |
| 130 | const requestUrl = request.url ?? "/"; |
| 131 | const sessionId = Array.isArray(request.headers["mcp-session-id"]) |
| 132 | ? request.headers["mcp-session-id"][0] |
| 133 | : request.headers["mcp-session-id"]; |
| 134 | const authorization = Array.isArray(request.headers.authorization) |
| 135 | ? request.headers.authorization[0] |
| 136 | : request.headers.authorization; |
| 137 | const origin = request.headers.host |
| 138 | ? `http://${request.headers.host}` |
| 139 | : "http://127.0.0.1"; |
| 140 | |
| 141 | yield* Ref.update(requests, (all) => [ |
| 142 | ...all, |
| 143 | { |
| 144 | method: request.method ?? "GET", |
| 145 | url: requestUrl, |
| 146 | authorization, |
| 147 | sessionId, |
| 148 | }, |
| 149 | ]); |
| 150 | |
| 151 | if ( |
| 152 | options.auth?.authorizationServerUrls && |
| 153 | requestUrl.startsWith(protectedResourcePath) |
| 154 | ) { |
| 155 | const resourcePath = requestUrl.slice(protectedResourcePath.length); |
| 156 | writeJson(response, 200, { |
| 157 | resource: `${origin}${resourcePath}`, |
| 158 | authorization_servers: options.auth.authorizationServerUrls, |
| 159 | bearer_methods_supported: ["header"], |
| 160 | scopes_supported: options.auth.scopes ?? ["read"], |
| 161 | }); |
| 162 | return; |
| 163 | } |
| 164 | |
| 165 | if (!isMcpPath(requestUrl, path)) { |
| 166 | writeJson(response, 404, { error: "not_found" }); |
| 167 | return; |
| 168 | } |
| 169 | |
| 170 | if (options.auth) { |
| 171 | const accepted = yield* options.auth.validateAuthorization(authorization); |
| 172 | if (!accepted) { |
| 173 | writeUnauthorized(response, origin); |
| 174 | return; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | if (sessionId && request.method === "POST" && nextSessionRequestStatus !== undefined) { |
| 179 | const status = nextSessionRequestStatus; |
| 180 | nextSessionRequestStatus = undefined; |
| 181 | writeText(response, status, `Forced HTTP ${status}`); |
| 182 | return; |
no test coverage detected