/** HTTP request callback */ static void http_request_cb(struct evhttp_request* req, void* arg) { std::unique_ptr<HTTPRequest> hreq(new HTTPRequest(req)); LogPrint(BCLog::HTTP, "Received a %s request for %s from %s\n", RequestMethodString(hreq->GetRequestMethod()), hreq->GetURI(), hreq->GetPeer().ToString()); // Early address-based allow check if (!ClientAllowed(hreq->GetPeer())) { hreq->WriteReply(HTTP_FORBIDDEN); return; } // Early reject unknown HTTP methods if (hreq->GetRequestMethod() == HTTPRequest::UNKNOWN) { hreq->WriteReply(HTTP_BADMETHOD); return; } // Find registered handler for prefix std::string strURI = hreq->GetURI(); std::string path; std::vector<HTTPPathHandler>::const_iterator i = pathHandlers.begin(); std::vector<HTTPPathHandler>::const_iterator iend = pathHandlers.end(); for (; i != iend; ++i) { bool match = false; if (i->exactMatch) match = (strURI == i->prefix); else match = (strURI.substr(0, i->prefix.size()) == i->prefix); if (match) { path = strURI.substr(i->prefix.size()); break; } } // Dispatch to worker thread if (i != iend) { std::unique_ptr<HTTPWorkItem> item(new HTTPWorkItem(std::move(hreq), path, i->handler)); assert(workQueue); if (workQueue->Enqueue(item.get())) item.release(); /* if true, queue took ownership */ else { LogPrintf("WARNING: request rejected because http work queue depth exceeded, it can be increased with the -rpcworkqueue= setting\n"); item->req->WriteReply(HTTP_INTERNAL, "Work queue depth exceeded"); } } else { hreq->WriteReply(HTTP_NOTFOUND); } }
/** HTTP request callback */ static void http_request_cb(struct evhttp_request* req, void* arg) { // Disable reading to work around a libevent bug, fixed in 2.2.0. if (event_get_version_number() >= 0x02010600 && event_get_version_number() < 0x02020001) { evhttp_connection* conn = evhttp_request_get_connection(req); if (conn) { bufferevent* bev = evhttp_connection_get_bufferevent(conn); if (bev) { bufferevent_disable(bev, EV_READ); } } } std::unique_ptr<HTTPRequest> hreq(new HTTPRequest(req)); // Early address-based allow check if (!ClientAllowed(hreq->GetPeer())) { LogPrint(BCLog::HTTP, "HTTP request from %s rejected: Client network is not allowed RPC access\n", hreq->GetPeer().ToString()); hreq->WriteReply(HTTP_FORBIDDEN); return; } // Early reject unknown HTTP methods if (hreq->GetRequestMethod() == HTTPRequest::UNKNOWN) { LogPrint(BCLog::HTTP, "HTTP request from %s rejected: Unknown HTTP request method\n", hreq->GetPeer().ToString()); hreq->WriteReply(HTTP_BADMETHOD); return; } LogPrint(BCLog::HTTP, "Received a %s request for %s from %s\n", RequestMethodString(hreq->GetRequestMethod()), SanitizeString(hreq->GetURI(), SAFE_CHARS_URI).substr(0, 100), hreq->GetPeer().ToString()); // Find registered handler for prefix std::string strURI = hreq->GetURI(); std::string path; std::vector<HTTPPathHandler>::const_iterator i = pathHandlers.begin(); std::vector<HTTPPathHandler>::const_iterator iend = pathHandlers.end(); for (; i != iend; ++i) { bool match = false; if (i->exactMatch) match = (strURI == i->prefix); else match = (strURI.substr(0, i->prefix.size()) == i->prefix); if (match) { path = strURI.substr(i->prefix.size()); break; } } // Dispatch to worker thread if (i != iend) { std::unique_ptr<HTTPWorkItem> item(new HTTPWorkItem(std::move(hreq), path, i->handler)); assert(workQueue); if (workQueue->Enqueue(item.get())) item.release(); /* if true, queue took ownership */ else { LogPrintf("WARNING: request rejected because http work queue depth exceeded, it can be increased with the -rpcworkqueue= setting\n"); item->req->WriteReply(HTTP_INTERNAL, "Work queue depth exceeded"); } } else { hreq->WriteReply(HTTP_NOTFOUND); } }