void WebProcessor::Dispatch()
{
if (*m_szUrl != '/')
{
SendErrorResponse(ERR_HTTP_BAD_REQUEST);
return;
}
if (XmlRpcProcessor::IsRpcRequest(m_szUrl))
{
XmlRpcProcessor processor;
processor.SetRequest(m_szRequest);
processor.SetHttpMethod(m_eHttpMethod == hmGet ? XmlRpcProcessor::hmGet : XmlRpcProcessor::hmPost);
processor.SetUserAccess((XmlRpcProcessor::EUserAccess)m_eUserAccess);
processor.SetUrl(m_szUrl);
processor.Execute();
SendBodyResponse(processor.GetResponse(), strlen(processor.GetResponse()), processor.GetContentType());
return;
}
if (Util::EmptyStr(g_pOptions->GetWebDir()))
{
SendErrorResponse(ERR_HTTP_SERVICE_UNAVAILABLE);
return;
}
if (m_eHttpMethod != hmGet)
{
SendErrorResponse(ERR_HTTP_BAD_REQUEST);
return;
}
// for security reasons we allow only characters "0..9 A..Z a..z . - _ /" in the URLs
// we also don't allow ".." in the URLs
for (char *p = m_szUrl; *p; p++)
{
if (!((*p >= '0' && *p <= '9') || (*p >= 'A' && *p <= 'Z') || (*p >= 'a' && *p <= 'z') ||
*p == '.' || *p == '-' || *p == '_' || *p == '/') || (*p == '.' && p[1] == '.'))
{
SendErrorResponse(ERR_HTTP_NOT_FOUND);
return;
}
}
const char *szDefRes = "";
if (m_szUrl[strlen(m_szUrl)-1] == '/')
{
// default file in directory (if not specified) is "index.html"
szDefRes = "index.html";
}
char disk_filename[1024];
snprintf(disk_filename, sizeof(disk_filename), "%s%s%s", g_pOptions->GetWebDir(), m_szUrl + 1, szDefRes);
disk_filename[sizeof(disk_filename)-1] = '\0';
SendFileResponse(disk_filename);
}
void WebProcessor::SendFileResponse(const char* filename)
{
debug("serving file: %s", filename);
CharBuffer body;
if (!FileSystem::LoadFileIntoBuffer(filename, body, false))
{
// do not print warnings "404 not found" for certain files
bool ignorable = !strcmp(filename, "package-info.json") ||
!strcmp(filename, "favicon.ico") ||
!strncmp(filename, "apple-touch-icon", 16);
SendErrorResponse(ERR_HTTP_NOT_FOUND, ignorable);
return;
}
SendBodyResponse(body, body.Size(), DetectContentType(filename));
}
void WebProcessor::SendFileResponse(const char* szFilename)
{
debug("serving file: %s", szFilename);
char *szBody;
int iBodyLen;
if (!Util::LoadFileIntoBuffer(szFilename, &szBody, &iBodyLen))
{
SendErrorResponse(ERR_HTTP_NOT_FOUND);
return;
}
// "LoadFileIntoBuffer" adds a trailing NULL, which we don't need here
iBodyLen--;
SendBodyResponse(szBody, iBodyLen, DetectContentType(szFilename));
free(szBody);
}