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vk_core.pas
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vk_core.pas
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(*
VKontakte plugin for Miranda IM: the free IM client for Microsoft Windows
Copyright (c) 2008-2010 Andrey Lukyanov
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*)
{-----------------------------------------------------------------------------
vk_core.pas
[ Description ]
Module with core functions - connect with the server, disconnect, read
contacts, their statuses etc.
[ Known Issues ]
- See the code
- Status of friends is read only
Contributors: LA
-----------------------------------------------------------------------------}
unit vk_core;
interface
uses
m_globaldefs,
m_api,
vk_avatars, // module to support avatars
vk_common, // module with common functions
vk_global, // module with global variables and constant used
vk_http, // module to connect with the site
vk_msgs, // module to send/receive messages
vk_news, // module to receive news
vk_opts, // my unit to work with options
vk_popup, // module to support popups
vk_wall, // module to work with the wall
vk_xstatus, // module to support additional status
htmlparse, // module to simplify html parsing
uLkJSON, // module to parse data from feed2.php (in JSON format)
Windows,
Messages,
SysUtils,
Classes,
ShellAPI,
StrUtils,
Commctrl;
function vk_SetStatus(NewStatus: integer): integer;
function vk_AddFriend(frID: integer; frNick: WideString; frStatus: integer; frFriend: byte): integer;
procedure SetStatusOffline();
function ContactDeleted(wParam: wParam; lParam: lParam): integer; cdecl;
procedure UpdateDataInit();
procedure UpdateDataDestroy();
procedure vk_Logout();
function OnCreateAccMgrUI(wParam: wParam; lParam: lParam): integer; cdecl;
{$include res\dlgopt\i_const.inc}// contains list of ids used in dialogs
type
TThreadConnect = class(TThread)
private
{ Private declarations }
protected
procedure Execute; override;
end;
TThreadDataUpdate = class(TThread)
private
{ Private declarations }
protected
procedure Execute; override;
end;
var
ThrIDConnect: TThreadConnect;
ThrIDDataUpdate: TThreadDataUpdate;
vk_UserLangId, vk_UserLangHash: string;
implementation
//var
// =============================================================================
// Account Manager Login function
// -----------------------------------------------------------------------------
function DlgAccMgr(Dialog: HWnd; Msg: cardinal; wParam, lParam: DWord): boolean; stdcall;
var
str: string; // temp variable for types conversion
pc: PChar;
begin
Result := False;
case Msg of
WM_INITDIALOG:
begin
// translate all dialog texts
TranslateDialogDefault(Dialog);
// read login from settings, if exists
vk_o_login := DBReadString(0, piShortName, opt_UserName, nil);
SetDlgItemText(Dialog, VK_ACCMGR_EMAIL, PChar(vk_o_login)); // e-mail
if vk_o_login <> '' then
SetFocus(GetDlgItem(Dialog, VK_ACCMGR_PASS));
// read pass
vk_o_pass := DBReadString(0, piShortName, opt_UserPass, nil);
if trim(vk_o_pass) <> '' then // decrypt password
begin
pluginLink^.CallService(MS_DB_CRYPT_DECODESTRING, SizeOf(vk_o_pass), Windows.lparam(vk_o_pass));
SetDlgItemText(dialog, VK_ACCMGR_PASS, PChar(vk_o_pass)); // password
end;
Result := True;
end;
WM_CLOSE:
begin
EndDialog(Dialog, 0);
Result := False;
end;
WM_NOTIFY:
begin
// if user pressed Apply
if PNMHdr(lParam)^.code = PSN_APPLY then
begin
SetLength(Str, 256);
pc := PChar(Str);
GetDlgItemText(Dialog, VK_ACCMGR_EMAIL, pc, 256);
DBWriteContactSettingString(0, piShortName, opt_UserName, pc);
vk_o_login := pc;
SetLength(Str, 256);
pc := PChar(Str);
GetDlgItemText(Dialog, VK_ACCMGR_PASS, pc, 256);
// encode password
pluginLink^.CallService(MS_DB_CRYPT_ENCODESTRING, SizeOf(pc), Windows.lparam(pc));
DBWriteContactSettingString(0, piShortName, opt_UserPass, pc);
vk_o_pass := pc;
Result := True;
end;
end;
WM_COMMAND:
begin
case wParam of
VK_ACCMGR_NEWID:
begin
ShellAPI.ShellExecute(0, 'open', PAnsiChar(vk_url + vk_url_register), nil, nil, 0);
Result := True;
end;
end;
end;
end;
end;
// =============================================================================
// function to display dialog on Account Manager screen
// -----------------------------------------------------------------------------
function OnCreateAccMgrUI(wParam: wParam; lParam: lParam): integer; cdecl;
begin
Result := CreateDialogParam(hInstance, MAKEINTRESOURCE('ACCMGR'), lParam, @DlgAccMgr, 0);
end;
// =============================================================================
// Login Dialog function
// this function is executed only when password OR login are not input
// in the Options
// -----------------------------------------------------------------------------
function DlgLogin(Dialog: HWnd; Msg: cardinal; wParam, lParam: DWord): boolean; stdcall;
var
str: string; // temp variable for types conversion
pc: PChar; // temp variable for types conversion
begin
Result := False;
case Msg of
WM_INITDIALOG:
begin
// translate all dialog texts
TranslateDialogDefault(Dialog);
// read login from settings, if exists
vk_o_login := DBReadString(0, piShortName, opt_UserName, nil);
SetDlgItemText(Dialog, VK_LOGIN_EMAIL, PChar(vk_o_login)); // e-mail
if vk_o_login <> '' then
SetFocus(GetDlgItem(Dialog, VK_LOGIN_PASS));
end;
WM_COMMAND:
begin
case wParam of
idOk, VK_LOGIN_OK:
begin
SetLength(Str, 256);
pc := PChar(Str);
GetDlgItemText(Dialog, VK_LOGIN_EMAIL, pc, 256);
vk_o_login := pc;
SetLength(Str, 256);
pc := PChar(Str);
GetDlgItemText(Dialog, VK_LOGIN_PASS, pc, 256);
vk_o_pass := pc;
if (vk_o_pass <> '') and (vk_o_login <> '') then
begin
EndDialog(Dialog, 0);
Result := True;
end;
end;
idCancel, VK_LOGIN_CANCEL:
begin
EndDialog(Dialog, 0);
Result := True;
end;
VK_LOGIN_NEWID:
begin
ShellAPI.ShellExecute(0, 'open', PAnsiChar(vk_url + vk_url_register), nil, nil, 0);
Result := True;
end;
end;
end;
end;
end;
// =============================================================================
// function to change the status
// -----------------------------------------------------------------------------
function vk_SetStatus(NewStatus: integer): integer;
begin
if Assigned(ThrIDConnect) then
begin
Result := 1; // failed, since status change is already in progress
exit;
end;
if (NewStatus = vk_Status) then // if new status is equal to current status
begin
Result := 0; // ok, but has nothing to do
exit;
end;
vk_StatusPrevious := vk_Status;
vk_Status := NewStatus;
// plugin doesn't support all statuses, but Miranda may try to
// setup unsupported status (for ex., when user presses Ctrl+0..9)
// so, we should have the following lines
case vk_Status of
ID_STATUS_AWAY,
ID_STATUS_DND,
ID_STATUS_OCCUPIED,
ID_STATUS_FREECHAT,
ID_STATUS_ONTHEPHONE,
ID_STATUS_OUTTOLUNCH:
vk_Status := ID_STATUS_ONLINE;
ID_STATUS_NA:
vk_Status := ID_STATUS_INVISIBLE;
end;
if not Assigned(ThrIDConnect) then
begin
// initiate new thread for connection & status update
ThrIDConnect := TThreadConnect.Create(True);
ThrIDConnect.FreeOnTerminate := True; // we can automatically terminate the thread
ThrIDConnect.Resume; // since result is not so important
end;
Result := 0;
end;
// =============================================================================
// function to login to website
// returns one of the following value:
// LOGINERR_WRONGPASSWORD = 1;
// LOGINERR_NONETWORK = 2;
// LOGINERR_PROXYFAILURE = 3;
// LOGINERR_BADUSERID = 4;
// LOGINERR_NOSERVER = 5;
// LOGINERR_TIMEOUT = 6;
// LOGINERR_WRONGPROTOCOL = 7;
// LOGINERR_OTHERLOCATION = 8;
// if successfull = 0
// -----------------------------------------------------------------------------
function vk_Connect(): integer;
var
HTML: string; // html content of the page received
iUserRights: integer;
begin
if Assigned(CookiesGlobal) then
CookiesGlobal.Clear; // clear cookies
ErrorCode := 2; // zero out error code - LOGINERR_NONETWORK = 2;
// read login and pass from the database
vk_o_login := DBReadString(0, piShortName, opt_UserName, '');
vk_o_pass := DBReadString(0, piShortName, opt_UserPass, '');
if trim(vk_o_pass) <> '' then // decrypt password
pluginLink^.CallService(MS_DB_CRYPT_DECODESTRING, SizeOf(vk_o_pass), Windows.lparam(vk_o_pass));
if (vk_o_pass = '') or (vk_o_login = '') then
begin
// ask user about login & pass if not given
DialogBoxW(hInstance, MAKEINTRESOURCEW(WideString('LOGIN')), 0, @DlgLogin);
if (vk_o_pass = '') or (vk_o_login = '') then
begin
ErrorCode := 1; // LOGINERR_WRONGPASSWORD = 1;
Result := ErrorCode;
Exit;
end;
end;
// here is real connection happens
HTML := HTTP_NL_Get(Format(vk_url + vk_url_pda_login, [vk_o_login, URLEncode(UTF8Encode(vk_o_pass))]));
// no info received
if trim(HTML) = '' then
ErrorCode := 6; // LOGINERR_TIMEOUT = 6;
// no internet connection or other netlib error
if trim(HTML) = 'NetLib error occurred!' then
ErrorCode := 2; // LOGINERR_NONETWORK = 2;
// pass or login is incorrect
if Pos('<div id="error">', HTML) > 0 then
ErrorCode := 1; // LOGINERR_WRONGPASSWORD = 1;
// OK
if Pos('logout', HTML) > 0 then
begin
ErrorCode := 0; // succesfull login!
// ************************
// get API related details
// http://vk.com/developers.php?o=-1&p=%D0%90%D0%B2%D1%82%D0%BE%D1%80%D0%B8%D0%B7%D0%B0%D1%86%D0%B8%D1%8F+Desktop-%D0%BF%D1%80%D0%B8%D0%BB%D0%BE%D0%B6%D0%B5%D0%BD%D0%B8%D0%B9
Netlib_Log(vk_hNetlibUser, PChar('(vk_Connect) Getting session details...'));
HTML := HTTP_NL_GetSession(vk_url + vk_url_api_session); // TODO: it is possible that nothing is received
// vk_session_id := '';
// vk_secret := '';
// vk_id := '';
if (vk_session_id = '') or (vk_secret = '') or (vk_id = '') then
begin
vk_session_id := TextBetween(HTML, '"sid":"', '"');
vk_secret := TextBetween(HTML, '"secret":"', '"');
vk_id := TextBetween(HTML, '"mid":', ',');
if (vk_session_id = '') or (vk_secret = '') or (vk_id = '') then
ShowPopupMsg(0, err_session_nodetail, 1); // TODO: once plugin is fully migrated to VK API
// here we should change error code and do not change
// status to Online
end;
Netlib_Log(vk_hNetlibUser, PChar('(vk_Connect) Session details received: session id=' + vk_session_id + ', secret=' + vk_secret + ', vk_id=' + vk_id + ', vk_api_appid=' + vk_api_appid));
Netlib_Log(vk_hNetlibUser, PChar('(vk_Connect) Getting user rights...'));
HTML := HTTP_NL_Get(GenerateApiUrl('method=getUserSettings'));
Netlib_Log(vk_hNetlibUser, PChar('(vk_Connect) User rights received: ' + HTML));
if TryStrToInt(TextBetween(HTML,':','}'), iUserRights) then
if iUserRights < 15871 then
ShowPopupMsg(0, err_api_noenoughrights, 1);
// ************************
// get UserAPI details
// http://userapi.ru/?act=doc#authorization
vk_userapi_session_id := HTTP_NL_GetSessionUserAPI(vk_url_userapi_login_prefix +
vk_url_userapi +
Format(vk_url_userapi_login_suffix, [vk_o_login, URLEncode(UTF8Encode(vk_o_pass))])
);
if vk_userapi_session_id = '' then // userapi authorization failed
begin
ShowPopupMsg(0, err_userapi_session_nodetail, 1);
end;
end;
Result := ErrorCode;
// GAP: result of connection / error message is not provided to the user
end;
// =============================================================================
// procedure to logout from the server
// -----------------------------------------------------------------------------
procedure vk_Logout();
begin
// doesn't work
// HTTP_NL_Get(vk_url_pda_logout, REQUEST_HEAD);
if vk_userapi_session_id <> '' then
HTTP_NL_Get(Format(vk_url_userapi_login_prefix +
vk_url_userapi +
vk_url_userapi_logout, [vk_userapi_session_id]));
end;
// =============================================================================
// procedure to add new contact into Miranda's list
// returns Handle to added/existing contact
// -----------------------------------------------------------------------------
function vk_AddFriend(frID: integer; frNick: WideString; frStatus: integer; frFriend: byte): integer;
var
hContactNew: THandle; // handle to new contact
hContact: THandle;
DefaultGroup: WideString;
begin
Netlib_Log(vk_hNetlibUser, PChar('(vk_AddFriend) Trying to add friend, id: ' + IntToStr(frID) + ', nick: ' + string(frNick)));
// duplicate match
hContact := GetContactByID(frID);
if hContact <> 0 then // contact already exists in Miranda's list
begin
Netlib_Log(vk_hNetlibUser, PChar('(vk_AddFriend) ... friend already exists, id: ' + IntToStr(DBGetContactSettingDWord(hContact, piShortName, 'ID', 0)) + ', nick: ' + DBReadUnicode(hContact, piShortName, 'Nick', '')));
Result := hContact;
// remove temporary settings
DBDeleteContactSetting(hContact, 'CList', 'NotOnList');
DBDeleteContactSetting(hContact, 'CList', 'Hidden');
Exit;
end;
// if really new contact
hContactNew := pluginLink^.CallService(MS_DB_CONTACT_ADD, 0, 0);
CallService(MS_PROTO_ADDTOCONTACT, hContactNew, lParam(PChar(piShortName)));
if hContactNew <> 0 then
begin
DBWriteContactSettingDWord(hContactNew, piShortName, 'ID', frID);
DBWriteContactSettingUnicode(hContactNew, piShortName, 'Nick', PWideChar(frNick));
DBWriteContactSettingByte(hContactNew, piShortName, 'Friend', frFriend);
if DBGetContactSettingByte(0, piShortName, opt_UserVKontakteURL, 0) = 1 then
DBWriteContactSettingString(hContactNew, piShortName, 'Homepage', PChar(Format(vk_url + vk_url_friend, [frID])));
// assign group for contact, if given in settings
DefaultGroup := DBReadUnicode(0, piShortName, opt_UserDefaultGroup, nil);
if DefaultGroup <> '' then
begin
PluginLink^.CallService(MS_CLIST_GROUPCREATE, 0, Windows.lParam(DefaultGroup));
DBWriteContactSettingUnicode(hContactNew, 'CList', 'Group', PWideChar(WideString(DefaultGroup)));
end;
end;
if hContactNew <> 0 then
begin
DBWriteContactSettingWord(hContactNew, piShortName, 'Status', frStatus);
// remove temporary settings
DBDeleteContactSetting(hContactNew, 'CList', 'NotOnList');
DBDeleteContactSetting(hContactNew, 'CList', 'Hidden');
end;
Netlib_Log(vk_hNetlibUser, PChar('(vk_AddFriend) ... friend added'));
Result := hContactNew;
end;
// =============================================================================
// procedure to define contact's status
// -----------------------------------------------------------------------------
procedure SetContactStatus(hContact: THandle; Status: word);
begin
if DBGetContactSettingWord(hContact, piShortName, 'Status', ID_STATUS_OFFLINE) <> Status then
DBWriteContactSettingWord(hContact, piShortName, 'Status', Status);
end;
// =============================================================================
// function to get status of non-friend contact
// -----------------------------------------------------------------------------
function vk_GetContactStatus(ContactID: integer): integer;
var
sHTML: string;
iStatus: integer;
begin
Result := ID_STATUS_OFFLINE;
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetContactStatus) Getting status of non-friend contact ' + IntToStr(ContactID) + '...'));
if vk_userapi_session_id <> '' then
begin
sHTML := HTTP_NL_Get(Format(vk_url_uapi + vk_url_userapi_profile, [ContactID, vk_userapi_session_id]));
sHTML := TextBetween(sHTML, '"on":', ',');
TryStrToInt(sHTML, iStatus);
if iStatus = 1 then
Result := ID_STATUS_ONLINE;
end
else
ShowPopupMsg(0, Format(err_userapi_session_nodetail_profile_status, [ContactID]), 2);
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetContactStatus) ... status of non-friend contact ' + IntToStr(ContactID) + ' is identified as ' + IntToStr(iStatus) + ' (1 - online, 0 - offline)'));
end;
// =============================================================================
// function to get list of friends, their statuses and additional statuses
// -----------------------------------------------------------------------------
function vk_GetFriends(): integer;
type
TFriends = record // new type of record
ID: integer;
Name: WideString;
InList: boolean; // friend exists in Miranda's list
Online: boolean; // friend is online
Deleted: boolean; // friend is deleted from Miranda's list
AvatarURL: string;
Rating: integer;
Group: integer;
end;
var
hContact: THandle;
sHTML: string; // html content of the page received
FriendsDeleted: array of integer;
Friends: array of TFriends;
TempList: TStringList;
i, ii: integer;
StrTemp1: string;
jsoFeed: TlkJSONobject;
iFriendsCount: integer;
sTemp: WideString;
begin
// identify deleted friends
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetFriends) Find friends deleted from miranda''s contact list...'));
StrTemp1 := DBReadString(0, piShortName, opt_UserFriendsDeleted, ''); // read list of deleted friends
if Trim(StrTemp1) <> '' then
begin
TempList := TStringList.Create();
TempList.Sorted := True; // list should be sorted and
TempList.Duplicates := dupIgnore; // duplicates shouldn't be allowed
TempList.Delimiter := ',';
TempList.DelimitedText := StrTemp1;
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetFriends) ... ' + IntToStr(TempList.Count) + ' deleted friend(s) found'));
for i := 0 to TempList.Count - 1 do
begin
SetLength(FriendsDeleted, Length(FriendsDeleted) + 1);
TryStrToInt(TempList.Strings[i], FriendsDeleted[High(FriendsDeleted)]);
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetFriends) ... found deleted friend with id: ' + TempList.Strings[i]));
end;
TempList.Free;
end;
// getting friends with their statuses
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetFriends) Getting friends from the server...'));
sHTML := HTTP_NL_Get(GenerateApiUrl(Format(vk_url_api_friends, ['uid,first_name,last_name,nickname,photo_medium,online'])));
if Trim(sHTML) <> '' then
begin
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetFriends) Getting friends details...'));
TempList := TStringList.Create();
TempList.Sorted := True; // list should be sorted and
TempList.Duplicates := dupIgnore; // duplicates shouldn't be allowed
jsoFeed := TlkJSON.ParseText(sHTML) as TlkJSONobject;
try
iFriendsCount := jsoFeed.Field['response'].Count;
for i := 0 to iFriendsCount - 1 do
begin
SetLength(Friends, Length(Friends) + 1);
sTemp := jsoFeed.Field['response'].Child[i].Field['uid'].Value;
if TryStrToInt(sTemp, Friends[High(Friends)].ID) then
begin
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetFriends) ... found friend with id: ' + String(sTemp)));
try
sTemp := jsoFeed.Field['response'].Child[i].Field['nickname'].Value;
except
sTemp := '';
end;
if Trim(sTemp) <> '' then
sTemp := jsoFeed.Field['response'].Child[i].Field['first_name'].Value + ' ' +
sTemp + ' ' +
jsoFeed.Field['response'].Child[i].Field['last_name'].Value
else
sTemp := jsoFeed.Field['response'].Child[i].Field['first_name'].Value + ' ' +
jsoFeed.Field['response'].Child[i].Field['last_name'].Value;
Friends[High(Friends)].Name := HTMLDecodeW(sTemp);
try
Friends[High(Friends)].AvatarURL := jsoFeed.Field['response'].Child[i].Field['photo_medium'].Value;
except
end;
Friends[High(Friends)].InList := False;
Friends[High(Friends)].Online := jsoFeed.Field['response'].Child[i].Field['online'].Value;
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetFriends) ... friend online: ' + BoolToStr(Friends[High(Friends)].Online, true)));
// mark deleted friends
Friends[High(Friends)].Deleted := False;
for ii := Low(FriendsDeleted) to High(FriendsDeleted) do
begin
if FriendsDeleted[ii] = Friends[High(Friends)].ID then
begin
Friends[High(Friends)].Deleted := True;
break;
end;
end;
end;
end;
finally
jsoFeed.Free;
end;
end;
SetLength(FriendsDeleted, 0);
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetFriends) ... updating contacts status in miranda list...'));
// checking each contact in our Miranda's list
hContact := pluginLink^.CallService(MS_DB_CONTACT_FINDFIRST, 0, 0);
while hContact <> 0 do
begin
// by default MS_DB_CONTACT_FINDFIRST returns all contacts found
// next line verifies that found contact belongs to our protocol
if pluginLink^.CallService(MS_PROTO_ISPROTOONCONTACT, hContact, lParam(PChar(piShortName))) <> 0 then
begin
// if it is not our separate News contact or The wall contact
if (DBGetContactSettingDWord(hContact, piShortName, 'ID', 0) <> DBGetContactSettingDWord(0, piShortName, opt_NewsSeparateContactID, 1234)) and
(DBGetContactSettingDWord(hContact, piShortName, 'ID', 0) <> DBGetContactSettingDWord(0, piShortName, opt_WallSeparateContactID, 666)) then
begin
// make all our contacts in Miranda by default not Friends
DBWriteContactSettingByte(hContact, piShortName, 'Friend', 0);
// updating status & nick of existing contacts
for i := Low(Friends) to High(Friends) do
if (Friends[i].ID = DBGetContactSettingDWord(hContact, piShortName, 'ID', 0)) and (Friends[i].ID <> 0) then
begin
Netlib_Log(vk_hNetlibUser, PChar('(vk_GetFriends) Updating data of existing contact, id: ' + IntToStr(Friends[i].ID) + ', nick: ' + string(Friends[i].Name)));
Friends[i].InList := True;
DBWriteContactSettingUnicode(hContact, piShortName, 'Nick', PWideChar(Friends[i].Name));
DBWriteContactSettingByte(hContact, piShortName, 'Friend', 1); // found on server list - making friend
if Friends[i].Deleted then
DBWriteContactSettingByte(hContact, 'CList', 'Hidden', 1);
if Friends[i].Online then
SetContactStatus(hContact, ID_STATUS_ONLINE)
else
SetContactStatus(hContact, ID_STATUS_OFFLINE);
Break;
end;
// if contact is not found in the server's list
if DBGetContactSettingByte(hContact, piShortName, 'Friend', 1) = 0 then
if DBGetContactSettingByte(0, piShortName, opt_UserNonFriendsStatusSupport, 0) = 1 then // check status of non-friends?
begin
SetContactStatus(hContact,
vk_GetContactStatus(DBGetContactSettingDWord(hContact, piShortName, 'ID', 0)));
end;
end;
end;
hContact := pluginLink^.CallService(MS_DB_CONTACT_FINDNEXT, hContact, 0);
end;
// probably, new Friends appeared on the server - should add them to contact list
for i := 0 to High(Friends) do
begin
if not Friends[i].InList then
begin
if Friends[i].Online then
vk_AddFriend(Friends[i].ID, Friends[i].Name, ID_STATUS_ONLINE, 1)
else
vk_AddFriend(Friends[i].ID, Friends[i].Name, ID_STATUS_OFFLINE, 1);
end;
end;
SetLength(Friends, 0);
// MessageBoxW(0, PWideChar(pluginLink^.CallService(MS_CLIST_GETCONTACTDISPLAYNAME, Windows.wparam(GetContactByID(9488564)), GCDNF_UNICODE)), TranslateW(piShortName), MB_OK + MB_ICONINFORMATION);
// MessageBoxW(0, PWideChar(pluginLink^.CallService(MS_CLIST_GETSTATUSMODEDESCRIPTION, Windows.wparam(ID_STATUS_OFFLINE), GCDNF_UNICODE)), TranslateW(piShortName), MB_OK + MB_ICONINFORMATION);
vk_StatusAdditionalGet(); // get additional statuses of friends
Result := High(Friends); // function returns number of Friends on the server
end;
// =============================================================================
// function to get hash to delete friend
// (full id is required for this)
// -----------------------------------------------------------------------------
function vk_FriendGetHash(ContactFullID: int64): string;
var
HTML, Hash: string;
begin
Result := '';
Netlib_Log(vk_hNetlibUser, PChar('(vk_WallGetHash) Getting hash of contact ' + IntToStr(ContactFullID) + '...'));
// getting encoded wall hash
HTML := HTTP_NL_Get(Format(vk_url + vk_url_friend_hash, [ContactFullID]));
if Trim(HTML) <> '' then
begin
Hash := Trim(TextBetween(HTML, Format('removeFriend(%d, this, ''', [ContactFullID]), ''''));
Netlib_Log(vk_hNetlibUser, PChar('(vk_WallGetHash) ... hash of contact ' + IntToStr(ContactFullID) + ' is ' + Hash));
if (Hash <> '') then
begin // decode hash if everything is OK
Result := Hash;
end;
end;
end;
// =============================================================================
// procedure to delete friend from the server
// -----------------------------------------------------------------------------
procedure vk_DeleteFriend(FriendID: integer);
var
Hash: string;
begin
if FriendID <> 0 then
begin
Hash := vk_FriendGetHash(FriendID);
if Trim(Hash) <> '' then
begin
HTTP_NL_Get(Format(vk_url + vk_url_frienddelete, [FriendID, Hash]), REQUEST_HEAD); // GAP (?): result is not validated
end;
end;
end;
// =============================================================================
// procedure to make our user online on the server
// -----------------------------------------------------------------------------
procedure vk_KeepOnline();
begin
// we don't care about result
// we also don't need page html body, so request head only
HTTP_NL_Get(vk_url_pda + vk_url_pda_keeponline, REQUEST_HEAD);
end;
// =============================================================================
// procedure to read OUR name and ID
// -----------------------------------------------------------------------------
procedure vk_GetUserNameID();
var
sUserName: WideString;
sHTML: WideString;
jsoFeed: TlkJSONobject;
iUserID: integer;
sTemp: WideString;
begin
sHTML := HTTP_NL_Get(GenerateApiUrl(Format(vk_url_api_getprofiles, [vk_id, 'first_name,last_name,nickname,photo_medium'])));
if (Trim(sHTML) <> '') and (sHTML <> '{"response":{}}') and (Pos('error', sHTML) = 0) then
begin
jsoFeed := TlkJSON.ParseText(sHTML) as TlkJSONobject;
try
sUserName := jsoFeed.Field['response'].Child[0].Field['nickname'].Value;
if Trim(sUserName) <> '' then
sUserName := jsoFeed.Field['response'].Child[0].Field['first_name'].Value + ' ' +
jsoFeed.Field['response'].Child[0].Field['nickname'].Value + ' ' +
jsoFeed.Field['response'].Child[0].Field['last_name'].Value
else
sUserName := jsoFeed.Field['response'].Child[0].Field['first_name'].Value + ' ' +
jsoFeed.Field['response'].Child[0].Field['last_name'].Value;
DBWriteContactSettingUnicode(0, piShortName, 'Nick', PWideChar(HTMLDecodeW(sUserName)));
iUserID := jsoFeed.Field['response'].Child[0].Field['uid'].Value;
DBWriteContactSettingDWord(0, piShortName, 'ID', iUserID);
// if update of avatar is required
if DBGetContactSettingByte(0, piShortName, opt_UserAvatarsUpdateWhenGetInfo, 0) = 1 then
begin
sTemp := jsoFeed.Field['response'].Child[0].Field['photo_medium'].Value;
if Trim(sTemp) <> '' then
try
vk_AvatarGetAndSave(0, sTemp); // update user's avatar
except
end;
end;
finally
jsoFeed.Free;
end;
end;
end;
// =============================================================================
// procedure to join given group
// -----------------------------------------------------------------------------
procedure vk_JoinGroup(GroupID: integer);
begin
Netlib_Log(vk_hNetlibUser, PChar('(vk_JoinGroup) Joining of the group ' + IntToStr(GroupID) + '...'));
// GAP (?): result is not validated
HTTP_NL_Get(Format(vk_url_pda + vk_url_pda_group_join, [GroupID]), REQUEST_HEAD);
Netlib_Log(vk_hNetlibUser, PChar('(vk_JoinGroup) ... finished joining of the group ' + IntToStr(GroupID)));
end;
// =============================================================================
// procedure to change the status of all contacts to offline
// -----------------------------------------------------------------------------
procedure SetStatusOffline();
var
hContact: THandle;
begin
hContact := pluginLink^.CallService(MS_DB_CONTACT_FINDFIRST, 0, 0);
while hContact <> 0 do
begin
if pluginLink^.CallService(MS_PROTO_ISPROTOONCONTACT, hContact, lParam(PChar(piShortName))) <> 0 then
SetContactStatus(hContact, ID_STATUS_OFFLINE);
hContact := pluginLink^.CallService(MS_DB_CONTACT_FINDNEXT, hContact, 0);
end;
end;
// =============================================================================
// function is called when
// user deletes contact from list
// this function deletes it from the server
// -----------------------------------------------------------------------------
function ContactDeleted(wParam: wParam; lParam: lParam): integer; cdecl;
var
StrTemp: string;
begin
Result := 0;
if DBGetContactSettingByte(wParam, piShortName, 'Friend', 0) = 1 then // delete from the server only contacts marked as Friend
begin
if DBGetContactSettingByte(0, piShortName, opt_UserDontDeleteFriendsFromTheServer, 0) = 0 then
vk_DeleteFriend(DBGetContactSettingDWord(wParam, piShortName, 'ID', 0))
else
begin
StrTemp := DBReadString(0, piShortName, opt_UserFriendsDeleted, '');
if StrTemp <> '' then
StrTemp := StrTemp + ',';
StrTemp := StrTemp + IntToStr(DBGetContactSettingDWord(wParam, piShortName, 'ID', 0));
DBWriteContactSettingString(0, piShortName, opt_UserFriendsDeleted, PChar(StrTemp)); // add contact to plugins list of deleted contacts
end;
end;
end;
// =============================================================================
// procedure to start thread for regular data update
// -----------------------------------------------------------------------------
procedure UpdateDataInit();
begin
if not Assigned(ThrIDDataUpdate) then
ThrIDDataUpdate := TThreadDataUpdate.Create(False);
end;
// =============================================================================
// procedure to finish thread for regular data update
// -----------------------------------------------------------------------------
procedure UpdateDataDestroy();
begin
if Assigned(ThrIDDataUpdate) then
begin
ThrIDDataUpdate.Terminate;
// WaitForSingleObject(ThrIDDataUpdate.Handle, 5000);
ThrIDDataUpdate.WaitFor;
FreeAndNil(ThrIDDataUpdate);
end;
end;
// =============================================================================
// connection thread
// -----------------------------------------------------------------------------
procedure TThreadConnect.Execute;
var
ThreadNameInfo: TThreadNameInfo;
vk_Status_Temp: integer;
HTML: string;
begin
Netlib_Log(vk_hNetlibUser, PChar('(TThreadConnect) Thread started...'));
PluginLink^.CallService(MS_SYSTEM_THREAD_PUSH, 0, 0);
ThreadNameInfo.FType := $1000;
ThreadNameInfo.FName := 'TThreadConnect';
ThreadNameInfo.FThreadID := $FFFFFFFF;
ThreadNameInfo.FFlags := 0;
try
RaiseException($406D1388, 0, sizeof(ThreadNameInfo) div sizeof(longword), @ThreadNameInfo);
except
end;
// change status to online or invisible
if (vk_Status = ID_STATUS_ONLINE) or (vk_Status = ID_STATUS_INVISIBLE) then
begin
// changing status to connecting first
vk_Status_Temp := vk_Status;
vk_Status := ID_STATUS_CONNECTING;
ProtoBroadcastAck(piShortName,
0,
ACKTYPE_STATUS,
ACKRESULT_SUCCESS,
THANDLE(vk_StatusPrevious),
vk_Status);
// connecting to the server
if not Terminated then // doing it only if thread is not being terminated
vk_Status := vk_Connect();
if vk_Status <> 0 then // error occuried
begin
vk_Status := ID_STATUS_OFFLINE; // need to change status to offline
ProtoBroadcastAck(piShortName, 0, ACKTYPE_LOGIN, ACKRESULT_FAILED, 0, ErrorCode);
case ErrorCode of
LOGINERR_WRONGPASSWORD:
ShowPopupMsg(0, 'Error: Your e-mail or password was rejected', 2);
LOGINERR_TIMEOUT:
ShowPopupMsg(0, 'Error: Unknown error during sign on', 2);
LOGINERR_NONETWORK:
ShowPopupMsg(0, 'Error: Cannot connect to the server', 2);
end;
end
else
begin
vk_Status := vk_Status_Temp;
HTML := HTTP_NL_Get(vk_url + vk_lang_dialog);
if Pos('doChangeLang', HTML) > 0 then
begin
HTML := TextBetween(HTML, 'doChangeLang(', ')');
vk_UserLangHash := TextBetween(HTML, ', ''', '''');
end;
end;
end;
// really change the status
ProtoBroadcastAck(piShortName,
0,
ACKTYPE_STATUS,
ACKRESULT_SUCCESS,
THANDLE(vk_StatusPrevious),
vk_Status);
if Terminated then // if thread should be terminated (for ex., if miranda is being closed)
Exit;
// the code below should be executed only AFTER we informed miranda
// that status is changed - otherwise other plugins are informed incorrectly
if (vk_Status = ID_STATUS_OFFLINE) and
(not Terminated) and
(PluginLink^.CallService(MS_SYSTEM_TERMINATED, 0, 0) = 0) then
begin
Netlib_Log(vk_hNetlibUser, PChar('(TThreadConnect) ... changing status to offline'));
UpdateDataDestroy(); // stop the thread for regular data update
SetStatusOffline(); // make all contacts offline
vk_Logout(); // logout from the site
end;
if (vk_Status = ID_STATUS_INVISIBLE) then
vk_Logout(); // logout from the site
if (vk_Status = ID_STATUS_ONLINE) or (vk_Status = ID_STATUS_INVISIBLE) then
begin
if not Terminated then
vk_GetUserNameID(); // update OUR name and id
// user agreed to join plugin's group (see OnModulesLoad)
if DBGetContactSettingByte(0, piShortName, opt_GroupPluginJoined, 0) = 2 then
begin
DBWriteContactSettingByte(0, piShortName, opt_GroupPluginJoined, 3);
vk_JoinGroup(6929403); // id of plugins group
end;
// write default value of last date & time of contacts' status update
// so they will be updated again immediately in DataUpdate thread
DBWriteContactSettingDWord(0, piShortName, opt_LastUpdateDateTimeFriendsStatus, 539033600);
if not Terminated then // doing it only if thread is not being terminated
UpdateDataInit(); // start separate thread for online data update
end;
ThrIDConnect := nil;
PluginLink^.CallService(MS_SYSTEM_THREAD_POP, 0, 0);
Netlib_Log(vk_hNetlibUser, PChar('(TThreadConnect) ... thread finished'));
end;
type
ActionProc = procedure();
// =============================================================================
// update data thread
// -----------------------------------------------------------------------------
procedure TThreadDataUpdate.Execute;
procedure ExecIt(action: ActionProc; actionName: string);
begin
try
Netlib_Log(vk_hNetlibUser, PChar(actionName + ' started'));
action();
Netlib_Log(vk_hNetlibUser, PChar(actionName + ' finished'));
except
on E: Exception do
Netlib_Log(vk_hNetlibUser, PChar(actionName + ' exception: ' + E.Message));
end;
end;
var
ThreadNameInfo: TThreadNameInfo;
ContactIDNews, ContactIDWall: integer;
CheckMessagePeriod: integer;
begin
Netlib_Log(vk_hNetlibUser, PChar('(TThreadDataUpdate) Thread started...'));
ThreadNameInfo.FType := $1000;
ThreadNameInfo.FName := 'TThreadDataUpdate';
ThreadNameInfo.FThreadID := $FFFFFFFF;
ThreadNameInfo.FFlags := 0;
try
RaiseException($406D1388, 0, sizeof(ThreadNameInfo) div sizeof(longword), @ThreadNameInfo);
except
end;
PluginLink^.CallService(MS_SYSTEM_THREAD_PUSH, 0, 0);
// detecting news id handle
if DBGetContactSettingByte(0, piShortName, opt_NewsSupport, 1) = 1 then
begin
// we need it only if getting news in a separate contact
if DBGetContactSettingByte(0, piShortName, opt_NewsSeparateContact, 0) = 1 then
begin
ContactIDNews := DBGetContactSettingDWord(0, piShortName, opt_NewsSeparateContactID, 1234);
ContactIDNews := GetContactByID(ContactIDNews);
end;
end;
// detecting wall id handle
if DBGetContactSettingByte(0, piShortName, opt_WallReadSupport, 1) = 1 then