CHTTPImageHandler::CHTTPImageHandler(const HTTPRequest &request)
: CHTTPFileHandler(request)
{
std::string file;
int responseStatus = MHD_HTTP_BAD_REQUEST;
// resolve the URL into a file path and a HTTP response status
if (m_request.pathUrl.size() > 7)
{
file = m_request.pathUrl.substr(7);
XFILE::CImageFile imageFile;
const CURL pathToUrl(file);
if (imageFile.Exists(pathToUrl))
{
responseStatus = MHD_HTTP_OK;
struct __stat64 statBuffer;
if (imageFile.Stat(pathToUrl, &statBuffer) == 0)
{
SetLastModifiedDate(&statBuffer);
SetCanBeCached(true);
}
}
else
responseStatus = MHD_HTTP_NOT_FOUND;
}
// set the file and the HTTP response status
SetFile(file, responseStatus);
}
int CHTTPImageHandler::HandleHTTPRequest(const HTTPRequest &request)
{
if (request.url.size() > 7)
{
m_path = request.url.substr(7);
XFILE::CImageFile imageFile;
const CURL pathToUrl(m_path);
if (imageFile.Exists(pathToUrl))
{
m_responseCode = MHD_HTTP_OK;
m_responseType = HTTPFileDownload;
}
else
{
m_responseCode = MHD_HTTP_NOT_FOUND;
m_responseType = HTTPError;
}
}
else
{
m_responseCode = MHD_HTTP_BAD_REQUEST;
m_responseType = HTTPError;
}
return MHD_YES;
}
CHTTPImageTransformationHandler::CHTTPImageTransformationHandler(const HTTPRequest &request)
: IHTTPRequestHandler(request),
m_url(),
m_lastModified(),
m_buffer(NULL),
m_responseData()
{
m_url = m_request.pathUrl.substr(ImageBasePath.size());
if (m_url.empty())
{
m_response.status = MHD_HTTP_BAD_REQUEST;
m_response.type = HTTPError;
return;
}
XFILE::CImageFile imageFile;
const CURL pathToUrl(m_url);
if (!imageFile.Exists(pathToUrl))
{
m_response.status = MHD_HTTP_NOT_FOUND;
m_response.type = HTTPError;
return;
}
m_response.type = HTTPMemoryDownloadNoFreeCopy;
m_response.status = MHD_HTTP_OK;
// determine the content type
std::string ext = URIUtils::GetExtension(pathToUrl.GetHostName());
StringUtils::ToLower(ext);
m_response.contentType = CMime::GetMimeType(ext);
//! @todo determine the maximum age
// determine the last modified date
struct __stat64 statBuffer;
if (imageFile.Stat(pathToUrl, &statBuffer) != 0)
return;
struct tm *time;
#ifdef HAVE_LOCALTIME_R
struct tm result = {};
time = localtime_r((time_t*)&statBuffer.st_mtime, &result);
#else
time = localtime((time_t *)&statBuffer.st_mtime);
#endif
if (time == NULL)
return;
m_lastModified = *time;
}