/*----------------------------------------------------------------------
| PLT_FileMediaServer::OnAlbumArtRequest
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::OnAlbumArtRequest(NPT_HttpResponse& response,
NPT_String file_path)
{
NPT_LargeSize total_len;
NPT_File file(file_path);
NPT_InputStreamReference stream;
// prevent hackers from accessing files outside of our root
if ((file_path.Find("/..") >= 0) || (file_path.Find("\\..") >= 0)) {
return NPT_FAILURE;
}
if (NPT_FAILED(file.Open(NPT_FILE_OPEN_MODE_READ)) ||
NPT_FAILED(file.GetInputStream(stream)) ||
NPT_FAILED(stream->GetSize(total_len)) || (total_len == 0)) {
goto filenotfound;
} else {
NPT_String extension = NPT_FilePath::FileExtension(file_path);
if (extension.GetLength() == 0) {
goto filenotfound;
}
PLT_MetadataHandler* metadataHandler = NULL;
char* caData;
int caDataLen;
NPT_Result ret = NPT_ContainerFind(m_MetadataHandlers,
PLT_MetadataHandlerFinder(extension),
metadataHandler);
if (NPT_FAILED(ret) || metadataHandler == NULL) {
goto filenotfound;
}
// load the metadatahandler and read the cover art
if (NPT_FAILED(metadataHandler->Load(*stream)) ||
NPT_FAILED(metadataHandler->GetCoverArtData(caData, caDataLen))) {
goto filenotfound;
}
PLT_HttpHelper::SetContentType(response, "application/octet-stream");
PLT_HttpHelper::SetBody(response, caData, caDataLen);
delete caData;
return NPT_SUCCESS;
}
filenotfound:
response.SetStatus(404, "File Not Found");
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_FileMediaServer::OnAlbumArtRequest
+---------------------------------------------------------------------*/
NPT_Result
PLT_FileMediaServer::OnAlbumArtRequest(NPT_String filepath, NPT_HttpResponse& response)
{
NPT_Size total_len;
NPT_File file(filepath);
NPT_InputStreamReference stream;
if (NPT_FAILED(file.Open(NPT_FILE_OPEN_MODE_READ)) || NPT_FAILED(file.GetInputStream(stream)) ||
NPT_FAILED(stream->GetSize(total_len)) || (total_len == 0)) {
goto filenotfound;
} else {
const char* extension = PLT_MediaItem::GetExtFromFilePath(filepath, m_DirDelimiter);
if (extension == NULL) {
goto filenotfound;
}
PLT_MetadataHandler* metadataHandler = NULL;
char* caData;
int caDataLen;
NPT_Result ret = NPT_ContainerFind(m_MetadataHandlers, PLT_MetadataHandlerFinder(extension), metadataHandler);
if (NPT_FAILED(ret) || metadataHandler == NULL) {
goto filenotfound;
}
// load the metadatahandler and read the cover art
if (NPT_FAILED(metadataHandler->Load(*stream)) || NPT_FAILED(metadataHandler->GetCoverArtData(caData, caDataLen))) {
goto filenotfound;
}
PLT_HttpHelper::SetContentType(&response, "application/octet-stream");
PLT_HttpHelper::SetBody(&response, caData, caDataLen);
delete caData;
return NPT_SUCCESS;
}
filenotfound:
response.SetStatus(404, "File Not Found");
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_FileMediaServer::BuildFromFilePath
+---------------------------------------------------------------------*/
PLT_MediaObject*
PLT_FileMediaServer::BuildFromFilePath(const NPT_String& filepath,
bool with_count /* = true */,
const NPT_SocketAddress* req_local_address /* = NULL */,
bool keep_extension_in_title /* = false */)
{
NPT_String root = m_Path;
PLT_MediaItemResource resource;
PLT_MediaObject* object = NULL;
/* retrieve the entry type (directory or file) */
NPT_FileInfo info;
NPT_CHECK_LABEL_FATAL(NPT_File::GetInfo(filepath, &info), failure);
if (info.m_Type == NPT_FileInfo::FILE_TYPE_REGULAR) {
object = new PLT_MediaItem();
/* Set the title using the filename for now */
object->m_Title = NPT_FilePath::BaseName(filepath, keep_extension_in_title);
if (object->m_Title.GetLength() == 0) goto failure;
/* Set the protocol Info from the extension */
resource.m_ProtocolInfo = PLT_MediaItem::GetProtInfoFromExt(NPT_FilePath::FileExtension(filepath));
if (resource.m_ProtocolInfo.GetLength() == 0) goto failure;
/* Set the resource file size */
resource.m_Size = info.m_Size;
/* format the resource URI */
NPT_String url = filepath.SubString(root.GetLength()+1);
// get list of ip addresses
NPT_List<NPT_String> ips;
NPT_CHECK_LABEL_SEVERE(PLT_UPnPMessageHelper::GetIPAddresses(ips), failure);
// if we're passed an interface where we received the request from
// move the ip to the top
if (req_local_address && req_local_address->GetIpAddress().ToString() != "0.0.0.0") {
ips.Remove(req_local_address->GetIpAddress().ToString());
ips.Insert(ips.GetFirstItem(), req_local_address->GetIpAddress().ToString());
}
// iterate through list and build list of resources
NPT_List<NPT_String>::Iterator ip = ips.GetFirstItem();
while (ip) {
/* prepend the base URI and url encode it */
//resource.m_Uri = NPT_Uri::Encode(uri.ToString(), NPT_Uri::UnsafeCharsToEncode);
resource.m_Uri = BuildResourceUri(m_FileBaseUri, *ip, url);
/* Look to see if a metadatahandler exists for this extension */
PLT_MetadataHandler* handler = NULL;
NPT_Result res = NPT_ContainerFind(
m_MetadataHandlers,
PLT_MetadataHandlerFinder(NPT_FilePath::FileExtension(filepath)),
handler);
if (NPT_SUCCEEDED(res) && handler) {
/* if it failed loading data, reset the metadatahandler so we don't use it */
if (NPT_SUCCEEDED(handler->LoadFile(filepath))) {
/* replace the title with the one from the Metadata */
NPT_String newTitle;
if (handler->GetTitle(newTitle) != NULL) {
object->m_Title = newTitle;
}
/* assign description */
handler->GetDescription(object->m_Description.long_description);
/* assign album art uri if we haven't yet */
/* prepend the album art base URI and url encode it */
if (object->m_ExtraInfo.album_art_uri.GetLength() == 0) {
object->m_ExtraInfo.album_art_uri =
NPT_Uri::PercentEncode(BuildResourceUri(m_AlbumArtBaseUri, *ip, url),
NPT_Uri::UnsafeCharsToEncode);
}
/* duration */
handler->GetDuration(resource.m_Duration);
/* protection */
handler->GetProtection(resource.m_Protection);
}
}
object->m_ObjectClass.type = PLT_MediaItem::GetUPnPClassFromExt(NPT_FilePath::FileExtension(filepath));
object->m_Resources.Add(resource);
++ip;
}
} else {
object = new PLT_MediaContainer;
/* Assign a title for this container */
if (filepath.Compare(root, true) == 0) {
object->m_Title = "Root";
} else {
object->m_Title = NPT_FilePath::BaseName(filepath, keep_extension_in_title);
if (object->m_Title.GetLength() == 0) goto failure;
}
/* Get the number of children for this container */
NPT_Cardinal count = 0;
if (with_count && NPT_SUCCEEDED(NPT_File::GetCount(filepath, count))) {
((PLT_MediaContainer*)object)->m_ChildrenCount = count;
}
object->m_ObjectClass.type = "object.container";
}
/* is it the root? */
if (filepath.Compare(root, true) == 0) {
object->m_ParentID = "-1";
object->m_ObjectID = "0";
} else {
NPT_String directory = NPT_FilePath::DirectoryName(filepath);
/* is the parent path the root? */
if (directory.GetLength() == root.GetLength()) {
object->m_ParentID = "0";
} else {
object->m_ParentID = "0" + filepath.SubString(root.GetLength(), directory.GetLength() - root.GetLength());
}
object->m_ObjectID = "0" + filepath.SubString(root.GetLength());
}
return object;
failure:
delete object;
return NULL;
}
/*----------------------------------------------------------------------
| PLT_FileMediaServer::BuildFromFilePath
+---------------------------------------------------------------------*/
PLT_MediaObject*
PLT_FileMediaServer::BuildFromFilePath(const NPT_String& filepath,
bool with_count /* = true */,
NPT_SocketInfo* info /* = NULL */,
bool keep_extension_in_title /* = false */)
{
NPT_String delimiter = m_DirDelimiter;
NPT_String root = m_Path;
PLT_MediaItemResource resource;
PLT_MediaObject* object = NULL;
int dir_delim_index;
/* make sure this is a valid entry */
/* and retrieve the entry type (directory or file) */
NPT_DirectoryEntryInfo entry_info;
if (!ProceedWithEntry(filepath, entry_info)) goto failure;
/* find the last directory delimiter */
dir_delim_index = filepath.ReverseFind(delimiter);
if (dir_delim_index < 0) goto failure;
if (entry_info.type == NPT_FILE_TYPE) {
object = new PLT_MediaItem();
/* we need a valid extension to retrieve the mimetype for the protocol info */
int ext_index = filepath.ReverseFind('.');
if (ext_index <= 0 || ext_index < dir_delim_index) {
ext_index = filepath.GetLength();
}
/* Set the title using the filename for now */
object->m_Title = filepath.SubString(dir_delim_index+1,
keep_extension_in_title?filepath.GetLength():ext_index - dir_delim_index -1);
if (object->m_Title.GetLength() == 0) goto failure;
/* Set the protocol Info from the extension */
const char* ext = ((const char*)filepath) + ext_index;
resource.m_ProtocolInfo = PLT_MediaItem::GetProtInfoFromExt(ext);
if (resource.m_ProtocolInfo.GetLength() == 0) goto failure;
/* Set the resource file size */
resource.m_Size = entry_info.size;
/* format the resource URI */
NPT_String url = filepath.SubString(root.GetLength());
// get list of ip addresses
NPT_List<NPT_String> ips;
NPT_CHECK_LABEL_SEVERE(PLT_UPnPMessageHelper::GetIPAddresses(ips), failure);
// if we're passed an interface where we received the request from
// move the ip to the top
if (info && info->local_address.GetIpAddress().ToString() != "0.0.0.0") {
ips.Remove(info->local_address.GetIpAddress().ToString());
ips.Insert(ips.GetFirstItem(), info->local_address.GetIpAddress().ToString());
}
// iterate through list and build list of resources
NPT_List<NPT_String>::Iterator ip = ips.GetFirstItem();
while (ip) {
NPT_HttpUrl uri = m_FileBaseUri;
NPT_HttpUrlQuery query;
query.AddField("path", url);
uri.SetHost(*ip);
uri.SetQuery(query.ToString());
//uri.SetPath(uri.GetPath() + url);
/* prepend the base URI and url encode it */
//resource.m_Uri = NPT_Uri::Encode(uri.ToString(), NPT_Uri::UnsafeCharsToEncode);
resource.m_Uri = uri.ToString();
/* Look to see if a metadatahandler exists for this extension */
PLT_MetadataHandler* handler = NULL;
NPT_Result res = NPT_ContainerFind(m_MetadataHandlers, PLT_MetadataHandlerFinder(ext), handler);
if (NPT_SUCCEEDED(res) && handler) {
/* if it failed loading data, reset the metadatahandler so we don't use it */
if (NPT_SUCCEEDED(handler->LoadFile(filepath))) {
/* replace the title with the one from the Metadata */
NPT_String newTitle;
if (handler->GetTitle(newTitle) != NULL) {
object->m_Title = newTitle;
}
/* assign description */
handler->GetDescription(object->m_Description.long_description);
/* assign album art uri if we haven't yet */
/* prepend the album art base URI and url encode it */
if (object->m_ExtraInfo.album_art_uri.GetLength() == 0) {
NPT_HttpUrl uri = m_AlbumArtBaseUri;
NPT_HttpUrlQuery query;
query.AddField("path", url);
uri.SetHost(*ip);
uri.SetQuery(query.ToString());
//uri.SetPath(uri.GetPath() + url);
object->m_ExtraInfo.album_art_uri = NPT_Uri::PercentEncode(uri.ToString(), NPT_Uri::UnsafeCharsToEncode);
}
/* duration */
handler->GetDuration((NPT_UInt32&)resource.m_Duration);
/* protection */
handler->GetProtection(resource.m_Protection);
}
}
object->m_ObjectClass.type = PLT_MediaItem::GetUPnPClassFromExt(ext);
object->m_Resources.Add(resource);
++ip;
}
} else {
object = new PLT_MediaContainer;
/* Assign a title for this container */
if (filepath.Compare(root, true) == 0) {
object->m_Title = "Root";
} else {
object->m_Title = filepath.SubString(dir_delim_index+1, filepath.GetLength() - dir_delim_index -1);
if (object->m_Title.GetLength() == 0) goto failure;
}
/* Get the number of children for this container */
if (with_count) {
NPT_Cardinal count = 0;
NPT_CHECK_LABEL_SEVERE(GetEntryCount(filepath, count), failure);
((PLT_MediaContainer*)object)->m_ChildrenCount = count;
}
object->m_ObjectClass.type = "object.container";
}
/* is it the root? */
if (filepath.Compare(root, true) == 0) {
object->m_ParentID = "-1";
object->m_ObjectID = "0";
} else {
/* is the parent path the root? */
if (dir_delim_index == (int)root.GetLength() - 1) {
object->m_ParentID = "0";
} else {
object->m_ParentID = "0" + delimiter + filepath.SubString(root.GetLength(), dir_delim_index - root.GetLength());
}
object->m_ObjectID = "0" + delimiter + filepath.SubString(root.GetLength());
}
return object;
failure:
delete object;
return NULL;
}
