int connection_msg_to_handler(Connection *conn)
{
Handler *handler = Request_get_action(conn->req, handler);
int rc = 0;
int header_len = Request_header_length(conn->req);
// body_len will include \0
int body_len = Request_content_length(conn->req);
check(handler, "JSON request doesn't match any handler: %s",
bdata(Request_path(conn->req)));
if(pattern_match(IOBuf_start(conn->iob), header_len + body_len, bdata(&PING_PATTERN))) {
Register_ping(IOBuf_fd(conn->iob));
} else {
check(body_len >= 0, "Parsing error, body length ended up being: %d", body_len);
bstring payload = Request_to_payload(conn->req, handler->send_ident,
IOBuf_fd(conn->iob), IOBuf_start(conn->iob) + header_len,
body_len - 1); // drop \0 on payloads
rc = Handler_deliver(handler->send_socket, bdata(payload), blength(payload));
bdestroy(payload);
check(rc == 0, "Failed to deliver to handler: %s", bdata(Request_path(conn->req)));
}
// consumes \0 from body_len
IOBuf_read_commit(conn->iob, header_len + body_len);
return REQ_SENT;
error:
return CLOSE;
}
int connection_proxy_deliver(Connection *conn)
{
int rc = 0;
int total_len = Request_header_length(conn->req) + Request_content_length(conn->req);
char *buf = IOBuf_read_all(conn->iob, total_len, CLIENT_READ_RETRIES);
check(buf != NULL, "Failed to read from the client socket to proxy.");
rc = IOBuf_send(conn->proxy_iob, IOBuf_start(conn->iob), total_len);
check(rc > 0, "Failed to send to proxy.");
return REQ_SENT;
error:
return REMOTE_CLOSE;
}
int connection_msg_to_handler(Connection *conn)
{
Handler *handler = Request_get_action(conn->req, handler);
int rc = 0;
int header_len = Request_header_length(conn->req);
// body_len will include \0
int body_len = Request_content_length(conn->req);
check(handler, "JSON request doesn't match any handler: %s",
bdata(Request_path(conn->req)));
if(pattern_match(IOBuf_start(conn->iob), header_len + body_len, bdata(&PING_PATTERN))) {
Register_ping(IOBuf_fd(conn->iob));
} else {
check(body_len >= 0, "Parsing error, body length ended up being: %d", body_len);
bstring payload = NULL;
if(handler->protocol == HANDLER_PROTO_TNET) {
payload = Request_to_tnetstring(conn->req, handler->send_ident,
IOBuf_fd(conn->iob), IOBuf_start(conn->iob) + header_len,
body_len - 1); // drop \0 on payloads
} else if(handler->protocol == HANDLER_PROTO_JSON) {
payload = Request_to_payload(conn->req, handler->send_ident,
IOBuf_fd(conn->iob), IOBuf_start(conn->iob) + header_len,
body_len - 1); // drop \0 on payloads
} else {
sentinel("Invalid protocol type: %d", handler->protocol);
}
debug("SENT: %s", bdata(payload));
check(payload != NULL, "Failed to generate payload.");
check(handler->send_socket != NULL, "Handler socket is NULL, tell Zed.");
rc = Handler_deliver(handler->send_socket, bdata(payload), blength(payload));
free(payload);
check(rc == 0, "Failed to deliver to handler: %s", bdata(Request_path(conn->req)));
}
// consumes \0 from body_len
check(IOBuf_read_commit(conn->iob, header_len + body_len) != -1, "Final commit failed.");
return REQ_SENT;
error:
return CLOSE;
}
int connection_http_to_handler(Connection *conn)
{
int content_len = Request_content_length(conn->req);
int rc = 0;
char *body = NULL;
Handler *handler = Request_get_action(conn->req, handler);
error_unless(handler, conn, 404, "No action for request: %s", bdata(Request_path(conn->req)));
// we don't need the header anymore, so commit the buffer and deal with the body
IOBuf_read_commit(conn->iob, Request_header_length(conn->req));
if(content_len == 0) {
body = "";
rc = Connection_send_to_handler(conn, handler, body, content_len);
check_debug(rc == 0, "Failed to deliver to the handler.");
} else if(content_len > MAX_CONTENT_LENGTH) {
rc = Upload_file(conn, handler, content_len);
check(rc == 0, "Failed to upload file.");
} else {
if(content_len > conn->iob->len) {
// temporarily grow the buffer
IOBuf_resize(conn->iob, content_len);
}
debug("READ ALL CALLED with content_len: %d, and MAX_CONTENT_LENGTH: %d", content_len, MAX_CONTENT_LENGTH);
body = IOBuf_read_all(conn->iob, content_len, CLIENT_READ_RETRIES);
check(body != NULL, "Client closed the connection during upload.");
rc = Connection_send_to_handler(conn, handler, body, content_len);
check_debug(rc == 0, "Failed to deliver to the handler.");
}
Log_request(conn, 200, content_len);
return REQ_SENT;
error:
return CLOSE;
}
int connection_http_to_directory(Connection *conn)
{
Dir *dir = Request_get_action(conn->req, dir);
int rc = Dir_serve_file(dir, conn->req, conn);
check_debug(rc == 0, "Failed to serve file: %s", bdata(Request_path(conn->req)));
IOBuf_read_commit(conn->iob,
Request_header_length(conn->req) + Request_content_length(conn->req));
Log_request(conn, conn->req->status_code, conn->req->response_size);
if(conn->close) {
return CLOSE;
} else {
return RESP_SENT;
}
error:
return CLOSE;
}
int connection_http_to_handler(Connection *conn)
{
int content_len = Request_content_length(conn->req);
int rc = 0;
char *body = NULL;
Handler *handler = Request_get_action(conn->req, handler);
error_unless(handler, conn, 404, "No action for request: %s", bdata(Request_path(conn->req)));
bstring expects = Request_get(conn->req, &HTTP_EXPECT);
if (expects != NULL) {
if (biseqcstr(expects, "100-continue")) {
Response_send_status(conn, &HTTP_100);
} else {
Response_send_status(conn, &HTTP_417);
log_info("Client requested unsupported expectation: %s.", bdata(expects));
goto error;
}
}
// we don't need the header anymore, so commit the buffer and deal with the body
check(IOBuf_read_commit(conn->iob, Request_header_length(conn->req)) != -1, "Finaly commit failed streaming the connection to http handlers.");
if(is_websocket(conn)) {
bstring wsKey = Request_get(conn->req, &WS_SEC_WS_KEY);
bstring response= websocket_challenge(wsKey);
conn->handler = handler;
//Response_send_status(conn,response);
bdestroy(conn->req->request_method);
conn->req->request_method=bfromcstr("WEBSOCKET_HANDSHAKE");
Connection_send_to_handler(conn, handler, bdata(response), blength(response));
bdestroy(response);
bdestroy(conn->req->request_method);
conn->req->request_method=bfromcstr("WEBSOCKET");
return REQ_SENT;
}
if(content_len == 0) {
body = "";
rc = Connection_send_to_handler(conn, handler, body, content_len);
check_debug(rc == 0, "Failed to deliver to the handler.");
} else if(content_len > MAX_CONTENT_LENGTH) {
rc = Upload_file(conn, handler, content_len);
check(rc == 0, "Failed to upload file.");
} else {
debug("READ ALL CALLED with content_len: %d, and MAX_CONTENT_LENGTH: %d", content_len, MAX_CONTENT_LENGTH);
body = IOBuf_read_all(conn->iob, content_len, CLIENT_READ_RETRIES);
check(body != NULL, "Client closed the connection during upload.");
rc = Connection_send_to_handler(conn, handler, body, content_len);
check_debug(rc == 0, "Failed to deliver to the handler.");
}
Log_request(conn, 200, content_len);
return REQ_SENT;
error:
return CLOSE;
}