static inline void handle(Server *server, int fd, fd_set *activeFDs, struct sockaddr_in *addr)
{
int nread;
char buff[20480];
if ((nread = recv(fd, buff, sizeof(buff), 0)) < 0) {
fprintf(stderr, "error: read failed\n");
} else if (nread > 0) {
buff[nread] = '\0';
Request *req = requestNew(buff);
if (!req) {
send(fd, "HTTP/1.0 400 Bad Request\r\n\r\nBad Request", 39, 0);
LOG_400(addr);
} else {
ListCell *handler = server->handlers;
Response *response = NULL;
while (handler && !response) {
response = (*(HandlerP)handler->value)(req);
handler = handler->next;
}
if (!response) {
send(fd, "HTTP/1.0 404 Not Found\r\n\r\nNot Found!", 36, 0);
LOG_REQUEST(addr, METHODS[req->method], req->path, 404);
} else {
LOG_REQUEST(addr, METHODS[req->method], req->path,
response->status);
responseWrite(response, fd);
responseDel(response);
}
requestDel(req);
}
}
close(fd);
FD_CLR(fd, activeFDs);
}
Request *requestNew(char *buff) {
Request *request = malloc(sizeof(Request));
char *segment, *bs;
request->method = UNKNOWN_METHOD;
request->path = NULL;
request->uri = NULL;
request->queryString = NULL;
request->postBody = NULL;
request->headers = NULL;
request->cookies = NULL;
request->account = NULL;
// METHOD
TOK(buff, " \t");
if (strcmp(segment, "OPTIONS") == 0) request->method = OPTIONS;
else if (strcmp(segment, "GET") == 0) request->method = GET;
else if (strcmp(segment, "HEAD") == 0) request->method = HEAD;
else if (strcmp(segment, "POST") == 0) request->method = POST;
else if (strcmp(segment, "PUT") == 0) request->method = PUT;
else if (strcmp(segment, "DELETE") == 0) request->method = DELETE;
else if (strcmp(segment, "TRACE") == 0) request->method = TRACE;
else if (strcmp(segment, "CONNECT") == 0) request->method = CONNECT;
else goto fail;
// PATH
TOK(NULL, " \t");
request->path = bsNew(segment);
request->uri = bsNew(segment);
if (strchr(request->path, '#') != NULL)
goto fail;
// VERSION
TOK(NULL, "\n");
if (strncmp(segment, "HTTP/1.0", 8) != 0 &&
strncmp(segment, "HTTP/1.1", 8) != 0)
goto fail;
// HEADERS
request->headers = parseHeaders(segment);
// BODY
bs = kvFindList(request->headers, "Content-Type");
if (bs != NULL && strncmp(bs, "application/x-www-form-urlencoded", 33) == 0) {
segment = strtok(NULL, "\0");
if (segment == NULL)
goto fail;
request->postBody = parseQS(segment);
}
// QUERYSTRING
segment = strchr(request->path, '?');
if (segment != NULL) {
request->uri = bsNewLen(request->path, segment - request->path);
request->queryString = parseQS(segment + 1);
if (request->queryString == NULL)
goto fail;
}
// COOKIES
segment = kvFindList(request->headers, "Cookie");
if (segment != NULL) {
request->cookies = parseCookies(segment);
if (request->cookies == NULL)
goto fail;
}
return request;
fail:
requestDel(request);
return NULL;
}
