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MediaServerUtilUnit.pas
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{$I ZZZP_PRO.INC}
{$DEFINE CONTENTTRACE}
{$DEFINE HEADERSTRACE}
unit MediaServerUtilUnit;
interface
uses classes;
function MediaServerAuthenticate(ServerURL : String; const ServerType : Integer; const Username, Password: string; out sToken, sID : string): Boolean;
procedure MediaServerGetAvailableCategoryIDs(ServerURL : String; const ServerType : Integer; const UserId, AccessToken: string; itemList : TList; IgnoreCache : Boolean);
procedure MediaServerGetMediaFromParentID(ServerURL : String; const ServerType : Integer; const UserId, ParentID, AccessToken : String; itemList : TList; IgnoreCache : Boolean);
function MediaServerGetMediaStreamInfo(ServerURL : String; const ServerType : Integer; const UserId, ItemID, AccessToken : String) : String;
function MediaServerURLLoadCache(sURL : String; CacheDuration : Integer) : String;
procedure MediaServerURLSaveCache(sURL : String; const sData : String);
const
strMediaServer_JSON : String = '.json';
strMediaServer_JSONnew : String = '.newjson';
mediaServerJellyfin = 0;
mediaServerEmby = 1;
mediaServerPlex = 2;
drTypeCollection = 0;
drTypeMedia = 1;
plexPort : Integer = 32400;
plexClientID : String = '11c32164-ec12-9027-b9c4-4f94e6af6f0e';
type
TMediaServerCollectionRecord =
Record
crID : WideString; // Collection ID
crName : WideString; // Title
crIsFolder : Boolean; // It's a folder
crType : WideString; // e.g. "CollectionFolder"
crCollectionType : WideString; // e.g. "movies", "tvshows"
End;
PMediaServerCollectionRecord = ^TMediaServerCollectionRecord;
TMediaServerMediaRecord =
Record
mrID : WideString; // Media ID
mrName : WideString; // Title
mrRunTimeTicks : Int64; // Duration in "Ticks"
mrIsFolder : Boolean;
mrType : WideString; // e.g. "Series", "Folder"
mrImagePrimaryID : WideString;
mrImageBackdropID : WideString;
End;
PMediaServerMediaRecord = ^TMediaServerMediaRecord;
TMediaServerDisplayRecord =
Record
drType : Integer; // Collection or Media
drIndex : Integer;
End;
PMediaServerDisplayRecord = ^TMediaServerDisplayRecord;
TMediaServerBreadCrumbRecord =
Record
bcParentID : WideString;
bcParentName : WideString;
End;
PMediaServerBreadCrumbRecord = ^TMediaServerBreadCrumbRecord;
var
OPMediaServerType : Integer = mediaServerJellyfin;
OPMediaServerUserName : WideString = '';
OPMediaServerPassword : WideString = '';
OPMediaServerURL : WideString = '';
OPMediaServerCacheDur : Integer = 7;
OPMediaServerUserID : String = '';
OPMediaServerToken : String = '';
implementation
uses
Windows, SysUtils, StrUtils, Dialogs, WinInet, tntsysutils, tntclasses, ZPVars, General_Txt, Debugunit, superobject, mainunit, general_func, parseunit, md5, base64;
// Helper function to get error message
function GetWinInetError(ErrorCode: DWORD): string;
var
Buf: array[0..255] of Char;
begin
FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_FROM_HMODULE,
Pointer(GetModuleHandle('wininet.dll')), ErrorCode,
0, @Buf[0], 256, nil);
Result := Buf;
end;
function MediaServerURLLoadCache(sURL : String; CacheDuration : Integer) : String;
var
fStream : TTNTFileStream;
sList : TStringList;
sPath : WideString;
begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','MediaServerURLLoadCache "'+sURL+'", Duration "'+IntToStr(CacheDuration)+'" (before)');{$ENDIF}
Result := '';
sPath := CFGPath+MediaCachePath+MediaCacheMSdb+StringMD5Digest(sURL)+strMediaServer_JSON;
sList := TStringList.Create;
If WideFileExists(sPath) = True then
Begin
// Limit cache to [x] number of days
If Now-FileDateToDateTime(FileAgeW(sPath)) < CacheDuration then
Begin
Try
fStream := TTNTFileStream.Create(sPath,fmOpenRead or fmShareDenyNone);
Except
On E : Exception do
Begin
fStream := nil;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Exception opening file "'+E.Message+'"');{$ENDIF}
End;
end;
If fStream <> nil then
Begin
Try
sList.LoadFromStream(fStream);
Except
On E : Exception do
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Exception reading file "'+E.Message+'"');{$ENDIF}
End;
End;
Result := sList.Text;
fStream.Free;
End;
End;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','File not found');{$ENDIF}
End;
sList.Free;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','MediaServerURLLoadCache (after)');{$ENDIF}
end;
procedure MediaServerURLSaveCache(sURL : String; const sData : String);
var
fStream : TTNTFileStream;
sList : TStringList;
bFail : Boolean;
sPath : WideString;
begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','MediaServerURLSaveCache "'+sURL+'" (before)');{$ENDIF}
If WideDirectoryExists(CFGPath+MediaCachePath+MediaCacheMSdb) = False then
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Creating folder "'+CFGPath+MediaCachePath+MediaCacheMSdb+'"');{$ENDIF}
WideForceDirectories(CFGPath+MediaCachePath+MediaCacheMSdb);
End;
sPath := CFGPath+MediaCachePath+MediaCacheMSdb+StringMD5Digest(sURL);
Try
fStream := TTNTFileStream.Create(sPath+strMediaServer_JSONnew,fmCreate);
Except
On E : Exception do
Begin
fStream := nil;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Exception creating file "'+E.Message+'"');{$ENDIF}
End;
end;
If fStream <> nil then
Begin
sList := TStringList.Create;
sList.Text := sData;
bFail := False;
Try
sList.SaveToStream(fStream);
Except
On E : Exception do
Begin
bFail := True;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Exception saving data "'+E.Message+'"');{$ENDIF}
End;
End;
sList.Free;
fStream.Free;
If bFail = False then
Begin
EraseFile(sPath+strMediaServer_JSON);
WideRenameFile(sPath+strMediaServer_JSONnew,sPath+strMediaServer_JSON);
End;
End;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','MediaServerURLSaveCache (after)');{$ENDIF}
end;
function MediaServerAuthenticate(ServerURL : String; const ServerType : Integer; const Username, Password: string; out sToken, sID : string): Boolean;
var
oJSON : ISuperObject;
hInet : HINTERNET;
hConn : HINTERNET;
hReq : HINTERNET;
Buffer : Array[0..4095] of Char;
BytesRead : DWORD;
StatusCode : DWORD;
StatusCodeSize : DWORD;
ResponseText : String;
RequestHeaders : String;
PostData : String;
ServerName : String;
URLPath : String;
PortStr : String;
SchemeFlags : DWORD;
Port : DWORD;
Index : DWORD;
ErrorCode : DWORD;
ErrorMessage : String;
URLParts : TURLComponents;
sHeaders : String;
begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','MediaServerAuthenticate (before)');{$ENDIF}
If (ServerType = mediaServerPlex) then
Begin
// Plex authentication is performed on Plex's server and not the local server
ServerURL := 'https://plex.tv/users/sign_in.json';
End;
Result := False;
sToken := '';
sID := '';
hInet := InternetOpen(PChar(AppName), INTERNET_OPEN_TYPE_PRECONFIG, nil, nil, 0);
If hInet = nil then
begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','InternetOpen failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
end;
Try
// Parse ServerURL
FillChar(URLParts, SizeOf(URLParts), 0);
URLParts.dwStructSize := SizeOf(URLParts);
URLParts.dwSchemeLength := 1;
URLParts.dwHostNameLength := 1;
URLParts.dwUrlPathLength := 1;
If InternetCrackUrl(PChar(ServerURL), Length(ServerURL), 0, URLParts) then
Begin
SetString(ServerName, URLParts.lpszHostName, URLParts.dwHostNameLength);
SetString(URLPath, URLParts.lpszUrlPath, URLParts.dwUrlPathLength);
Port := URLParts.nPort;
If URLParts.nScheme = INTERNET_SCHEME_HTTPS then
SchemeFlags := INTERNET_FLAG_SECURE else
SchemeFlags := 0;
End
else
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','InternetCrackUrl failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
// *********************************************
// * Authenticate Path *
// *********************************************
Case ServerType of
mediaServerEmby :
Begin
If (URLPath = '') or (URLPath[Length(URLPath)] <> '/') then
URLPath := URLPath + '/';
URLPath := URLPath + 'emby/Users/AuthenticateByName';
sHeaders := 'X-Emby-Authorization: MediaBrowser Client="'+AppBase+'", Device="PC", DeviceId="WindowsPC", Version="'+GetZPVersionBase+'"';
End;
mediaServerJellyfin :
Begin
URLPath := URLPath + 'Users/AuthenticateByName';
sHeaders := 'Authorization: MediaBrowser Client="'+AppBase+'", Device="PC", DeviceId="WindowsPC", Version="'+GetZPVersionBase+'"';
End;
mediaServerPlex :
Begin
sHeaders :=
'Authorization: Basic '+Base64EncodeString(username+':'+password)+CRLF+
'X-Plex-Client-Identifier: '+plexClientID+CRLF+
'X-Plex-Product: '+AppBase+CRLF+
'X-Plex-Version: '+GetZPVersionBase+CRLF+
'X-Plex-Device: '+GetLocalComputerName+CRLF+
'X-Plex-Platform: Windows'+CRLF+
'X-Plex-Platform-Version: '+IntToStr(WinVerInfo.dwMajorVersion)+'.'+IntToStr(WinVerInfo.dwMinorVersion)+'.'+IntToStr(WinVerInfo.dwBuildNumber);
End;
End;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Connecting to: ' + ServerName + ':' + IntToStr(Port) + URLPath);{$ENDIF}
hConn := InternetConnect(hInet, PChar(ServerName), Port, nil, nil, INTERNET_SERVICE_HTTP, 0, 0);
If hConn = nil then
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','InternetConnect failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
Try
hReq := HttpOpenRequest(hConn, 'POST', PChar(URLPath), nil, nil, nil, SchemeFlags, 0);
If hReq = nil then
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HttpOpenRequest failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
Try
// Prepare POST data
Case ServerType of
mediaServerEmby,
mediaServerJellyfin :
Begin
PostData := Format('{"Username":"%s","Pw":"%s"}', [URLEncodeUTF8(Username), URLEncodeUTF8(Password)]);
End;
mediaServerPlex :
Begin
PostData := '';
End;
End;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','POST data: '+CRLF+PostData+CRLF);{$ENDIF}
// Prepare headers
RequestHeaders := 'Content-Type: application/json'#13#10 + sHeaders;
{$IFDEF HEADERSTRACE}DebugMSGFT('c:\log\.MediaServerUtil.txt','Request headers: '+CRLF+RequestHeaders+CRLF);{$ENDIF}
// Send request
If not HttpSendRequest(hReq, PChar(RequestHeaders), Length(RequestHeaders), PChar(PostData), Length(PostData)) then
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HttpSendRequest failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
// Check HTTP status code
StatusCodeSize := SizeOf(StatusCode);
Index := 0;
If HttpQueryInfo(hReq, HTTP_QUERY_STATUS_CODE or HTTP_QUERY_FLAG_NUMBER, @StatusCode, StatusCodeSize, Index) then
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HTTP Status Code: ' + IntToStr(StatusCode));{$ENDIF}
If (StatusCode <> 200) and (StatusCode <> 201) then
Begin
// Read and output error response
ResponseText := '';
Repeat
FillChar(Buffer, SizeOf(Buffer), 0);
InternetReadFile(hReq, @Buffer, SizeOf(Buffer), BytesRead);
ResponseText := ResponseText + Copy(Buffer, 1, BytesRead);
Until BytesRead = 0;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Server error response: ' + ResponseText);{$ENDIF}
Exit;
End;
End
else
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HttpQueryInfo failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
// Read response
ResponseText := '';
Repeat
FillChar(Buffer, SizeOf(Buffer), 0);
InternetReadFile(hReq, @Buffer, SizeOf(Buffer), BytesRead);
ResponseText := ResponseText + Copy(Buffer, 1, BytesRead);
Until BytesRead = 0;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Server response: '+CRLF+ResponseText+CRLF);{$ENDIF}
// *********************************************
// * Authenticate Processing *
// *********************************************
// Extract Token/UserID from response
Case ServerType of
mediaServerEmby,
mediaServerJellyfin :
Begin
If Pos('"AccessToken":', ResponseText) > 0 then
Begin
oJSON := SO(ResponseText);
If oJSON <> nil then
Begin
sToken := oJSON.S['AccessToken'];
sID := oJSON.S['User.Id'];
oJSON.Clear(True);
oJSON := nil;
Result := True;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Authentication successful. Token "'+sToken+'", UserID "'+sID+'"');{$ENDIF}
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','JSON = NIL');{$ENDIF}
End;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Authentication failed. No token found in response.');{$ENDIF}
End;
End;
mediaServerPlex :
Begin
If Pos('"authToken":', ResponseText) > 0 then
Begin
oJSON := SO(ResponseText);
If oJSON <> nil then
Begin
sToken := oJSON.S['user.authToken'];
sID := oJSON.S['user.id'];
oJSON.Clear(True);
oJSON := nil;
Result := True;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Authentication successful. Token "'+sToken+'", UserID "'+sID+'"');{$ENDIF}
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','JSON = NIL');{$ENDIF}
End;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Authentication failed. No token found in response.');{$ENDIF}
End;
End;
End; // Case
Finally
InternetCloseHandle(hReq);
End;
Finally
InternetCloseHandle(hConn);
End;
Finally
InternetCloseHandle(hInet);
End;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','MediaServerAuthenticate (after)'+CRLF);{$ENDIF}
end;
procedure MediaServerGetAvailableCategoryIDs(ServerURL : String; const ServerType : Integer; const UserId, AccessToken: string; itemList : TList; IgnoreCache : Boolean);
var
oJSON : ISuperObject;
oItems : ISuperObject;
hInet : HINTERNET;
hConn : HINTERNET;
hReq : HINTERNET;
Buffer : Array[0..4095] of Char;
BytesRead : DWORD;
StatusCode : DWORD;
StatusCodeSize : DWORD;
ResponseText : String;
RequestHeaders : String;
AuthHeader : String;
PostData : String;
ServerName : String;
URLPath : String;
PortStr : String;
SchemeFlags : DWORD;
Port : DWORD;
Index : DWORD;
ErrorCode : DWORD;
I : Integer;
idCount : Integer;
ErrorMessage : string;
URLParts : TURLComponents;
nEntry : PMediaServerCollectionRecord;
sHeaders : String;
initialCount : Integer;
begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','MediaServerGetAvailableItemIDs (before)');{$ENDIF}
initialCount := itemList.Count;
If (ServerType = mediaServerPlex) then
Begin
I := Pos('://',ServerURL);
If I = 0 then I := Pos(':',ServerURL) else I := PosEx(':',ServerURL,I+3);
If I = 0 then
Begin
ServerURL := RemoveFrontSlash(ServerURL)+':'+IntToStr(plexPort);
End;
End;
{$IFDEF TRACEDEBUG}
DebugMSGFT('c:\log\.MediaServerUtil.txt','Server URL : '+ServerURL);
DebugMSGFT('c:\log\.MediaServerUtil.txt','User ID : '+UserID);
DebugMSGFT('c:\log\.MediaServerUtil.txt','Auth Token : '+AccessToken);
{$ENDIF}
ResponseText := '';
hInet := InternetOpen(PChar(AppName), INTERNET_OPEN_TYPE_PRECONFIG, nil, nil, 0);
If hInet = nil then
begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','InternetOpen failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
end;
Try
// Parse ServerURL
FillChar(URLParts, SizeOf(URLParts), 0);
URLParts.dwStructSize := SizeOf(URLParts);
URLParts.dwSchemeLength := 1;
URLParts.dwHostNameLength := 1;
URLParts.dwUrlPathLength := 1;
If InternetCrackUrl(PChar(ServerURL), Length(ServerURL), 0, URLParts) then
Begin
SetString(ServerName, URLParts.lpszHostName, URLParts.dwHostNameLength);
SetString(URLPath, URLParts.lpszUrlPath, URLParts.dwUrlPathLength);
Port := URLParts.nPort;
If URLParts.nScheme = INTERNET_SCHEME_HTTPS then
SchemeFlags := INTERNET_FLAG_SECURE else
SchemeFlags := 0;
End
else
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','InternetCrackUrl failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
If (URLPath = '') or (URLPath[Length(URLPath)] <> '/') then
URLPath := URLPath + '/';
// *********************************************
// * Collections Path *
// *********************************************
Case ServerType of
mediaServerEmby :
Begin
URLPath := URLPath + 'emby/Users/'+UserID+'/Items';
sHeaders := 'X-Emby-Token: '+AccessToken;
End;
mediaServerJellyfin :
Begin
URLPath := URLPath + 'UserViews?userId='+UserID;
sHeaders := 'Authorization: MediaBrowser Token="'+AccessToken+'"';
End;
mediaServerPlex :
Begin
URLPath := URLPath + 'library/sections';
sHeaders := 'X-Plex-Token: '+AccessToken+CRLF+
'Accept: application/json';
End;
End;
If IgnoreCache = False then
ResponseText := MediaServerURLLoadCache(ServerURL+URLPath,OPMediaServerCacheDur);
If ResponseText = '' then
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Connecting to : ' + ServerName + ':' + IntToStr(Port) + URLPath);{$ENDIF}
hConn := InternetConnect(hInet, PChar(ServerName), Port, nil, nil, INTERNET_SERVICE_HTTP, 0, 0);
If hConn = nil then
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','InternetConnect failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
Try
hReq := HttpOpenRequest(hConn, 'GET', PChar(URLPath), nil, nil, nil, SchemeFlags, 0);
If hReq = nil then
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HttpOpenRequest failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
Try
// Prepare headers
RequestHeaders := 'Content-Type: application/json'+CRLF+sHeaders;
{$IFDEF HEADERSTRACE}DebugMSGFT('c:\log\.MediaServerUtil.txt','Request headers: '+CRLF+RequestHeaders+CRLF);{$ENDIF}
// Send request
If not HttpSendRequest(hReq, PChar(RequestHeaders), Length(RequestHeaders), nil, 0) then
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HttpSendRequest failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
// Check HTTP status code
StatusCodeSize := SizeOf(StatusCode);
Index := 0;
If HttpQueryInfo(hReq, HTTP_QUERY_STATUS_CODE or HTTP_QUERY_FLAG_NUMBER, @StatusCode, StatusCodeSize, Index) then
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HTTP Status Code: ' + IntToStr(StatusCode));{$ENDIF}
If StatusCode <> 200 then
Begin
// Read and output error response
Repeat
FillChar(Buffer, SizeOf(Buffer), 0);
InternetReadFile(hReq, @Buffer, SizeOf(Buffer), BytesRead);
ResponseText := ResponseText + Copy(Buffer, 1, BytesRead);
Until BytesRead = 0;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Server error response: '+CRLF+ResponseText+CRLF);{$ENDIF}
Exit;
End;
End
else
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HttpQueryInfo failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
// Read response
Repeat
FillChar(Buffer, SizeOf(Buffer), 0);
InternetReadFile(hReq, @Buffer, SizeOf(Buffer), BytesRead);
ResponseText := ResponseText + Copy(Buffer, 1, BytesRead);
Until BytesRead = 0;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Server response: '+CRLF+ResponseText+CRLF);{$ENDIF}
Finally
InternetCloseHandle(hReq);
End;
Finally
InternetCloseHandle(hConn);
End;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Using Cache');{$ENDIF}
End;
Finally
InternetCloseHandle(hInet);
End;
If ResponseText <> '' then
Begin
// *********************************************
// * Collections Processing *
// *********************************************
oJSON := SO(ResponseText);
If oJSON <> nil then
Begin
Case ServerType of
mediaServerEmby,
mediaServerJellyfin :
Begin
idCount := oJSON.I['TotalRecordCount'];
If idCount > 0 then
Begin
oItems := oJson.O['Items'];
If oItems <> nil then
Begin
For I := 0 to idCount-1 do
Begin
New(nEntry);
nEntry^.crID := oItems.AsArray.O[I].S['Id'];
nEntry^.crName := oItems.AsArray.O[I].S['Name'];
nEntry^.crIsFolder := oItems.AsArray.O[I].B['IsFolder'];
nEntry^.crType := oItems.AsArray.O[I].S['Type'];
nEntry^.crCollectionType := oItems.AsArray.O[I].S['CollectionType'];
{$IFDEF CONTENTTRACE}
DebugMSGFT('c:\log\.MediaServerUtil.txt',CRLF+
'ID : '+nEntry^.crID+CRLF+
'Name : '+nEntry^.crName+CRLF+
'Type : '+nEntry^.crType+CRLF+
'Collection Type : '+nEntry^.crCollectionType+CRLF+
'IsFolder : '+BoolToStr(nEntry^.crIsFolder,True)+CRLF+
'-----------------');
{$ENDIF}
itemList.Add(nEntry);
End;
oItems.Clear(True);
oItems := nil;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','oItems = NIL');{$ENDIF}
End;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','idCount = 0');{$ENDIF}
End;
End;
mediaServerPlex :
Begin
idCount := oJSON.I['MediaContainer.size'];
If idCount > 0 then
Begin
oItems := oJson.O['MediaContainer.Directory'];
If oItems <> nil then
Begin
For I := 0 to idCount-1 do
Begin
New(nEntry);
nEntry^.crID := oItems.AsArray.O[I].S['key'];
nEntry^.crName := oItems.AsArray.O[I].S['title'];
nEntry^.crIsFolder := oItems.AsArray.O[I].B['directory'];
nEntry^.crType := oItems.AsArray.O[I].S['agent'];
nEntry^.crCollectionType := oItems.AsArray.O[I].S['type'];
{$IFDEF CONTENTTRACE}
DebugMSGFT('c:\log\.MediaServerUtil.txt',CRLF+
'ID : '+nEntry^.crID+CRLF+
'Name : '+nEntry^.crName+CRLF+
'Agent : '+nEntry^.crType+CRLF+
'Collection Type : '+nEntry^.crCollectionType+CRLF+
'IsFolder : '+BoolToStr(nEntry^.crIsFolder,True)+CRLF+
'-----------------');
{$ENDIF}
itemList.Add(nEntry);
End;
oItems.Clear(True);
oItems := nil;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','oItems = NIL');{$ENDIF}
End;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','idCount = 0');{$ENDIF}
End;
End;
End; // Case
// Save cached reply if new items were successfully added
If itemList.Count > initialCount then
MediaServerURLSaveCache(ServerURL+URLPath,ResponseText);
oJSON.Clear(True);
oJSON := nil;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','JSON = NIL');{$ENDIF}
End;
End;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','MediaServerGetAvailableItemIDs (after)'+CRLF);{$ENDIF}
end;
procedure MediaServerGetMediaFromParentID(ServerURL : String; const ServerType : Integer; const UserId, ParentID, AccessToken : String; itemList : TList; IgnoreCache : Boolean);
var
oJSON : ISuperObject;
oItems : ISuperObject;
hInet : HINTERNET;
hConn : HINTERNET;
hReq : HINTERNET;
Buffer : Array[0..4095] of Char;
BytesRead : DWORD;
StatusCode : DWORD;
StatusCodeSize : DWORD;
ResponseText : String;
RequestHeaders : String;
AuthHeader : String;
PostData : String;
ServerName : String;
URLPath : String;
PortStr : String;
SchemeFlags : DWORD;
Port : DWORD;
Index : DWORD;
ErrorCode : DWORD;
I : Integer;
idCount : Integer;
ErrorMessage : string;
URLParts : TURLComponents;
nEntry : PMediaServerMediaRecord;
sHeaders : String;
initialCount : Integer;
begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','MediaServerGetMediaFromParentID (before)');{$ENDIF}
initialCount := itemList.Count;
If (ServerType = mediaServerPlex) then
Begin
// Apply Plex local port if no port is specified
I := Pos('://',ServerURL);
If I = 0 then I := Pos(':',ServerURL) else I := PosEx(':',ServerURL,I+3);
If I = 0 then
Begin
ServerURL := RemoveFrontSlash(ServerURL)+':'+IntToStr(plexPort);
End;
End;
{$IFDEF TRACEDEBUG}
DebugMSGFT('c:\log\.MediaServerUtil.txt','Server URL : '+ServerURL);
DebugMSGFT('c:\log\.MediaServerUtil.txt','User ID : '+UserID);
DebugMSGFT('c:\log\.MediaServerUtil.txt','Parent ID : '+ParentID);
DebugMSGFT('c:\log\.MediaServerUtil.txt','Auth Token : '+AccessToken);
{$ENDIF}
ResponseText := '';
hInet := InternetOpen(PChar(AppName), INTERNET_OPEN_TYPE_PRECONFIG, nil, nil, 0);
If hInet = nil then
begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','InternetOpen failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
end;
Try
// Parse ServerURL
FillChar(URLParts, SizeOf(URLParts), 0);
URLParts.dwStructSize := SizeOf(URLParts);
URLParts.dwSchemeLength := 1;
URLParts.dwHostNameLength := 1;
URLParts.dwUrlPathLength := 1;
If InternetCrackUrl(PChar(ServerURL), Length(ServerURL), 0, URLParts) then
Begin
SetString(ServerName, URLParts.lpszHostName, URLParts.dwHostNameLength);
SetString(URLPath, URLParts.lpszUrlPath, URLParts.dwUrlPathLength);
Port := URLParts.nPort;
If URLParts.nScheme = INTERNET_SCHEME_HTTPS then
SchemeFlags := INTERNET_FLAG_SECURE else
SchemeFlags := 0;
End
else
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','InternetCrackUrl failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
If (URLPath = '') or (URLPath[Length(URLPath)] <> '/') then
URLPath := URLPath + '/';
// *********************************************
// * Media From Parent Path *
// *********************************************
Case ServerType of
mediaServerEmby :
Begin
URLPath := URLPath + 'emby/Users/'+UserID+'/Items?ParentId='+ParentID;
sHeaders := 'X-Emby-Token: '+AccessToken;
End;
mediaServerJellyfin :
Begin
URLPath := URLPath + 'Items?userId='+UserID+'&parentId='+ParentID;
//URLPath := URLPath + 'Items?parentId='+ParentID;
sHeaders := 'Authorization: MediaBrowser Token="'+AccessToken+'"';
End;
mediaServerPlex :
Begin
If Pos ('/',ParentID) = 0 then
URLPath := URLPath + 'library/sections/'+ParentID+'/all' else
URLPath := RemoveFrontSlash(URLPath) + ParentID;
sHeaders := 'X-Plex-Token: '+AccessToken+CRLF+
'Accept: application/json';
End;
End;
If IgnoreCache = False then
ResponseText := MediaServerURLLoadCache(ServerURL+URLPath,OPMediaServerCacheDur);
If ResponseText = '' then
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Connecting to : ' + ServerName + ':' + IntToStr(Port) + URLPath);{$ENDIF}
hConn := InternetConnect(hInet, PChar(ServerName), Port, nil, nil, INTERNET_SERVICE_HTTP, 0, 0);
If hConn = nil then
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','InternetConnect failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
Try
hReq := HttpOpenRequest(hConn, 'GET', PChar(URLPath), nil, nil, nil, SchemeFlags, 0);
If hReq = nil then
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HttpOpenRequest failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
Try
// Prepare headers
RequestHeaders := 'Content-Type: application/json'#13#10 + sHeaders;
{$IFDEF HEADERSTRACE}DebugMSGFT('c:\log\.MediaServerUtil.txt','Request headers: '+CRLF+RequestHeaders+CRLF);{$ENDIF}
// Send request
If not HttpSendRequest(hReq, PChar(RequestHeaders), Length(RequestHeaders), nil, 0) then
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HttpSendRequest failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
// Check HTTP status code
StatusCodeSize := SizeOf(StatusCode);
Index := 0;
If HttpQueryInfo(hReq, HTTP_QUERY_STATUS_CODE or HTTP_QUERY_FLAG_NUMBER, @StatusCode, StatusCodeSize, Index) then
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HTTP Status Code: ' + IntToStr(StatusCode));{$ENDIF}
If StatusCode <> 200 then
Begin
// Read and output error response
Repeat
FillChar(Buffer, SizeOf(Buffer), 0);
InternetReadFile(hReq, @Buffer, SizeOf(Buffer), BytesRead);
ResponseText := ResponseText + Copy(Buffer, 1, BytesRead);
Until BytesRead = 0;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Server error response: '+CRLF+ResponseText+CRLF);{$ENDIF}
Exit;
End;
End
else
Begin
ErrorCode := GetLastError;
ErrorMessage := GetWinInetError(ErrorCode);
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','HttpQueryInfo failed. Error: ' + IntToStr(ErrorCode) + ' - ' + ErrorMessage);{$ENDIF}
Exit;
End;
// Read response
Repeat
FillChar(Buffer, SizeOf(Buffer), 0);
InternetReadFile(hReq, @Buffer, SizeOf(Buffer), BytesRead);
ResponseText := ResponseText + Copy(Buffer, 1, BytesRead);
Until BytesRead = 0;
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Server response: '+CRLF+ResponseText+CRLF);{$ENDIF}
Finally
InternetCloseHandle(hReq);
End;
Finally
InternetCloseHandle(hConn);
End;
End
else
Begin
{$IFDEF TRACEDEBUG}DebugMSGFT('c:\log\.MediaServerUtil.txt','Using Cache');{$ENDIF}
End;
Finally
InternetCloseHandle(hInet);
End;
If ResponseText <> '' then
Begin
// *********************************************
// * Media From Parent Processing *
// *********************************************
oJSON := SO(ResponseText);