/* UserinfoEx plugin for Miranda IM Copyright: © 2006-2010 DeathAxe, Yasnovidyashii, Merlin, K. Romanov, Kreol 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. */ #include "stdafx.h" namespace DB { /** * This namespace contains all functions used to access or modify contacts in the database. **/ namespace Contact { /** * This function trys to guess, when an ICQ contact was added to database. **/ DWORD WhenAdded(DWORD dwUIN, LPCSTR) { DBEVENTINFO dbei = { sizeof(dbei) }; for (MEVENT edbe = db_event_first(NULL); edbe != NULL; edbe = db_event_next(NULL, edbe)) { // get eventtype and compare if (!DB::Event::GetInfo(edbe, &dbei) && dbei.eventType == EVENTTYPE_ADDED) { if (!DB::Event::GetInfoWithData(edbe, &dbei)) { // extract UIN and compare with given one DWORD dwEvtUIN; memcpy(&dwEvtUIN, dbei.pBlob, sizeof(DWORD)); MIR_FREE(dbei.pBlob); if (dwEvtUIN == dwUIN) return dbei.timestamp; } } } return 0; } } /* Contact */ namespace Module { /** * Deletes all settings in the module. * @param hContact - handle to the contact * @param pszModule - the module to delete the setting from (e.g. USERINFO) * return: nothing **/ void Delete(MCONTACT hContact, LPCSTR pszModule) { CEnumList Settings; if (!Settings.EnumSettings(hContact, pszModule)) for (int i = 0; i < Settings.getCount(); i++) db_unset(hContact, pszModule, Settings[i]); } /** * Enum Proc for DBModule_IsEmpty * @param pszSetting - the setting * @param lParam - DBCONTACTENUMSETTINGS - (LPARAM)&dbces * @retval TRUE - always true **/ static int IsEmptyEnumProc(LPCSTR, LPARAM) { return 1; } /** * This function tests, whether a module is empty for the given contact or not * @param hContact - handle to the contact * @param pszModule - the module to read the setting from (e.g. USERINFO) * @retval TRUE - the module is empty * @retval FALSE - the module contains settings **/ bool IsEmpty(MCONTACT hContact, LPCSTR pszModule) { return 0 > db_enum_settings(hContact, IsEmptyEnumProc, pszModule); } /** * This function tests, whether a module belongs to a metacontact protocol * @param pszModule - the module to read the setting from (e.g. USERINFO) * @retval TRUE - the module belongs to a metacontact protocol * @retval FALSE - the module belongs to a other protocol **/ bool IsMeta(LPCSTR pszModule) { return !mir_strcmp(pszModule, META_PROTO); } /** * This function tests, whether a module is a meta contact, and user wants to scan it for settings * @param pszModule - the module to read the setting from (e.g. USERINFO) * @retval TRUE - the module is empty * @retval FALSE - the module contains settings **/ bool IsMetaAndScan(LPCSTR pszModule) { return 0 != db_get_b(NULL, MODNAME, SET_META_SCAN, TRUE) && IsMeta(pszModule); } } /* namespace Module */ namespace Setting { /** * This function calls MS_DB_CONTACT_GETSETTING_STR service to get database values. * @param hContact - handle to the contact * @param pszModule - the module to read the setting from (e.g. USERINFO) * @param pszSetting - the setting to read * @param destType - desired string type (DBVT_ASCIIZ, DBVT_WCHAR, DBVT_UTF8) * * @retval 0 - success * @retval 1 - error **/ BYTE Get(MCONTACT hContact, LPCSTR pszModule, LPCSTR pszSetting, DBVARIANT *dbv, const BYTE destType) { // read value without translation to specific type BYTE result = db_get_s(hContact, pszModule, pszSetting, dbv, 0) != 0; // Is value read successfully and destination type set? if (!result && destType) result = DB::Variant::ConvertString(dbv, destType); return result; } /** * This function reads a value from the database and returns it as an ansi encoded string. * @param hContact - handle to the contact * @param pszModule - the module to read the setting from (e.g. USERINFO) * @param pszSetting - the setting to read * * @return string value **/ LPSTR GetAString(MCONTACT hContact, LPCSTR pszModule, LPCSTR pszSetting) { DBVARIANT dbv; if (GetAString(hContact, pszModule, pszSetting, &dbv) == 0){ if (DB::Variant::dbv2String(&dbv, DBVT_WCHAR) == 0) return dbv.pszVal; db_free(&dbv); } return NULL; } /** * This function reads a value from the database and returns it as an unicode encoded string. * @param hContact - handle to the contact * @param pszModule - the module to read the setting from (e.g. USERINFO) * @param pszSetting - the setting to read * * @return string value **/ LPWSTR GetWString(MCONTACT hContact, LPCSTR pszModule, LPCSTR pszSetting) { DBVARIANT dbv; if (GetWString(hContact, pszModule, pszSetting, &dbv) == 0) { if (DB::Variant::dbv2String(&dbv, DBVT_WCHAR) == 0) return dbv.pwszVal; db_free(&dbv); } return NULL; } /** * This function calls MS_DB_CONTACT_GETSETTING_STR service to get database values. * It searches in pszModule first and if the setting does not exist there it tries proto to retrieve it. * @param hContact - handle to the contact * @param pszModule - the module to read the setting from (e.g. USERINFO) * @param szProto - the contact's protocol to read the setting from (e.g. ICQ) * @param szSetting - the setting to read * @param destType - desired string type (DBVT_ASCIIZ, DBVT_WCHAR, DBVT_UTF8) * * @retval 0 - success * @retval 1 - error **/ BYTE GetEx(MCONTACT hContact, LPCSTR pszModule, LPCSTR pszProto, LPCSTR pszSetting, DBVARIANT *dbv, const BYTE destType) { BYTE result = !pszModule || Get(hContact, pszModule, pszSetting, dbv, destType); // try to read setting from the contact's protocol module if (result && pszProto) { result = Get(hContact, pszProto, pszSetting, dbv, destType) != 0; // try to get setting from a metasubcontact if (result && DB::Module::IsMetaAndScan(pszProto)) { const INT_PTR def = db_mc_getDefaultNum(hContact); MCONTACT hSubContact; // try to get setting from the default subcontact first if (def > -1 && def < INT_MAX) { hSubContact = db_mc_getSub(hContact, def); if (hSubContact != NULL) result = DB::Setting::GetEx(hSubContact, pszModule, Proto_GetBaseAccountName(hSubContact), pszSetting, dbv, destType) != 0; } // scan all subcontacts for the setting if (result) { const INT_PTR cnt = db_mc_getSubCount(hContact); if (cnt < INT_MAX) { INT_PTR i; for (i = 0; result && i < cnt; i++) { if (i != def) { hSubContact = db_mc_getSub(hContact, i); if (hSubContact != NULL) result = DB::Setting::GetEx(hSubContact, pszModule, Proto_GetBaseAccountName(hSubContact), pszSetting, dbv, destType) != 0; } } } } } } return result; } /** * This function is used by the controls of the details dialog and calls MS_DB_CONTACT_GETSETTING_STR service * to get database values. It searches in pszModule first and if the setting does not exist there it tries proto * to retrieve it. * @param hContact - handle to the contact * @param pszModule - the module to read the setting from (e.g. USERINFO) * @param pszSubModule - the module to read the setting from a meta subcontract (e.g. USERINFO) * @param pszProto - the contact's protocol to read the setting from (e.g. ICQ) * @param pszSetting - the setting to read * @param destType - desired string type (DBVT_ASCIIZ, DBVT_WCHAR, DBVT_UTF8) * * @return This function returns the WORD which contains the source of information. **/ WORD GetCtrl(MCONTACT hContact, LPCSTR pszModule, LPCSTR pszSubModule, LPCSTR pszProto, LPCSTR pszSetting, DBVARIANT *dbv, const BYTE destType) { WORD wFlags = 0; // read setting from given module if (hContact && pszModule && *pszModule && !Get(hContact, pszModule, pszSetting, dbv, destType)) { wFlags |= CTRLF_HASCUSTOM; if (Exists(hContact, pszProto, pszSetting)) wFlags |= CTRLF_HASPROTO; } // read setting from contact's basic protocol else if (pszProto && *pszProto) { // try to read the setting from the basic protocol if (!Get(hContact, pszProto, pszSetting, dbv, destType)) wFlags |= CTRLF_HASPROTO; // try to read the setting from the sub contacts' modules else if (DB::Module::IsMetaAndScan(pszProto)) { const INT_PTR def = db_mc_getDefaultNum(hContact); MCONTACT hSubContact; // try to get setting from the default subcontact first if (def > -1 && def < INT_MAX) { hSubContact = db_mc_getSub(hContact, def); if (hSubContact != NULL) { wFlags = GetCtrl(hSubContact, pszSubModule, NULL, Proto_GetBaseAccountName(hSubContact), pszSetting, dbv, destType); if (wFlags != 0) { wFlags &= ~CTRLF_HASCUSTOM; wFlags |= CTRLF_HASMETA; } } } // copy the missing settings from the other subcontacts if (wFlags == 0) { INT_PTR i; const INT_PTR cnt = db_mc_getSubCount(hContact); for (i = 0; i < cnt; i++) { if (i != def) { hSubContact = db_mc_getSub(hContact, i); if (hSubContact != NULL) { wFlags = GetCtrl(hSubContact, pszSubModule, NULL, Proto_GetBaseAccountName(hSubContact), pszSetting, dbv, destType); if (wFlags != 0) { wFlags &= ~CTRLF_HASCUSTOM; wFlags |= CTRLF_HASMETA; break; } } } } } } } if (wFlags == 0) dbv->type = DBVT_DELETED; return wFlags; } /** * This function checks for the existence of the given setting in the database * @param hContact - handle to the contact * @param pszModule - the module to read the setting from (e.g. USERINFO) * @param pszSetting - the setting to check * * @retval TRUE - setting exists * @retval FALSE - setting does not exist **/ BYTE Exists(MCONTACT hContact, LPCSTR pszModule, LPCSTR pszSetting) { if (pszModule && pszSetting) { CHAR szDummy[1]; return 0 == db_get_static(hContact, pszModule, pszSetting, szDummy, 1); } return FALSE; } /** * This function deletes all reluctant settings of an setting array such as My-phoneXX. * @param hContact - handle to the contact * @param pszModule - the module to read the setting from (e.g. USERINFO) * @param pszFormat - the format, telling what a array of settings is ment * @param iStart - the first index of the setting to delete * * @return nothing **/ void DeleteArray(MCONTACT hContact, LPCSTR pszModule, LPCSTR pszFormat, int iStart) { char pszSetting[MAXSETTING]; do { mir_snprintf(pszSetting, pszFormat, iStart++); } while (!db_unset(hContact, pszModule, pszSetting)); } } /* namespace Setting */ namespace Variant { /** * This function converts a string value of the DBVARIANT to the destination type * but keeps all other values as is. * @param dbv - pointer to DBVARIANT structure which is to manipulate * @param destType - one of (DBVT_ASCIIZ, DBVT_UTF8 or DBVT_WCHAR) * * @retval 0 - success * @retval 1 - error **/ BYTE ConvertString(DBVARIANT* dbv, const BYTE destType) { if (dbv == NULL) return 1; switch (dbv->type) { // source value is of type "ascii" case DBVT_ASCIIZ: switch (destType) { // destination type is "utf8" case DBVT_UTF8: { LPSTR tmpBuf = mir_utf8encode(dbv->pszVal); mir_free(dbv->pszVal); dbv->pszVal = tmpBuf; } dbv->type = (dbv->pszVal) ? destType : DBVT_DELETED; break; // destination type is "wchar" case DBVT_WCHAR: { LPWSTR tmpBuf = mir_a2u(dbv->pszVal); mir_free(dbv->pszVal); dbv->pwszVal = tmpBuf; } dbv->type = (dbv->pwszVal) ? destType : DBVT_DELETED; } break; // source value is of type "utf8" case DBVT_UTF8: switch (destType) { // destination type is "ascii" case DBVT_ASCIIZ: mir_utf8decode(dbv->pszVal, NULL); dbv->type = (dbv->pszVal) ? destType : DBVT_DELETED; break; // destination type is "wchar" case DBVT_WCHAR: LPSTR savePtr = dbv->pszVal; dbv->pszVal = NULL; mir_utf8decode(savePtr, &dbv->pwszVal); mir_free(savePtr); dbv->type = (dbv->pwszVal) ? destType : DBVT_DELETED; } break; // source value is of type "wchar" case DBVT_WCHAR: switch (destType) { // destination type is "ascii" case DBVT_ASCIIZ: { LPSTR tmpBuf = mir_u2a(dbv->pwszVal); mir_free(dbv->pwszVal); dbv->pszVal = tmpBuf; } dbv->type = (dbv->pszVal) ? destType : DBVT_DELETED; break; // destination type is "utf8" case DBVT_UTF8: { LPSTR tmpBuf = mir_utf8encodeW(dbv->pwszVal); mir_free(dbv->pwszVal); dbv->pszVal = tmpBuf; } dbv->type = (dbv->pszVal) ? destType : DBVT_DELETED; } } return dbv->type == DBVT_DELETED; } /** * This function completely converts a DBVARIANT to the destination string type. * It includes BYTE, WORD, DWORD and all string types * @param dbv - pointer to DBVARIANT structure which is to manipulate * @param destType - one of (DBVT_ASCIIZ, DBVT_UTF8 or DBVT_WCHAR) * * @retval 0 - success * @retval 1 - error **/ BYTE dbv2String(DBVARIANT* dbv, const BYTE destType) { if (dbv == NULL) return 1; WCHAR wbuf[32]; CHAR buf[32]; switch (destType) { // destination type is "utf8" or "ascii" case DBVT_ASCIIZ: case DBVT_UTF8: switch (dbv->type) { // source value is of type "byte" case DBVT_BYTE: _ultoa(dbv->bVal, buf, 10); dbv->pszVal = mir_strdup(buf); dbv->type = (dbv->pszVal) ? destType : DBVT_DELETED; break; // source value is of type "word" case DBVT_WORD: _ultoa(dbv->wVal, buf, 10); dbv->pszVal = mir_strdup(buf); dbv->type = (dbv->pszVal) ? destType : DBVT_DELETED; break; // source value is of type "dword" case DBVT_DWORD: _ultoa(dbv->dVal, buf, 10); dbv->pszVal = mir_strdup(buf); dbv->type = (dbv->pszVal) ? destType : DBVT_DELETED; break; // source value is of any string type case DBVT_ASCIIZ: case DBVT_WCHAR: case DBVT_UTF8: return ConvertString(dbv, destType); } break; // destination type is "wchar" case DBVT_WCHAR: switch (dbv->type) { // source value is of type "byte" case DBVT_BYTE: _ultow(dbv->bVal, wbuf, 10); dbv->pwszVal = mir_wstrdup(wbuf); dbv->type = (dbv->pwszVal) ? destType : DBVT_DELETED; break; // source value is of type "word" case DBVT_WORD: _ultow(dbv->wVal, wbuf, 10); dbv->pwszVal = mir_wstrdup(wbuf); dbv->type = (dbv->pwszVal) ? destType : DBVT_DELETED; break; // source value is of type "dword" case DBVT_DWORD: _ultow(dbv->dVal, wbuf, 10); dbv->pwszVal = mir_wstrdup(wbuf); dbv->type = (dbv->pwszVal) ? destType : DBVT_DELETED; break; // source value is of any string type case DBVT_ASCIIZ: case DBVT_WCHAR: case DBVT_UTF8: return ConvertString(dbv, destType); } } return dbv->type != destType; } } /* namespace Variant */ namespace Event { /** * This function initializes the DBEVENTINFO structure and calls * db_event_get() to retrieve information about an event. * @param hEvent - the handle of the event to get information for * @param dbei - the pointer to a DBEVENTINFO structure, which retrieves all information. * * @retval 0 - success * @retval nonezero - failure **/ bool GetInfo(MEVENT hEvent, DBEVENTINFO *dbei) { dbei->cbSize = sizeof(DBEVENTINFO); dbei->cbBlob = 0; dbei->pBlob = NULL; return db_event_get(hEvent, dbei) != 0; } /** * This function initializes the DBEVENTINFO structure and calls * db_event_get() to retrieve information about an event. * @param hEvent - the handle of the event to get information for * @param dbei - the pointer to a DBEVENTINFO structure, which retrieves all information. * * @retval 0 - success * @retval 1 - failure **/ bool GetInfoWithData(MEVENT hEvent, DBEVENTINFO *dbei) { dbei->cbSize = sizeof(DBEVENTINFO); if (!dbei->cbBlob) { INT_PTR size = db_event_getBlobSize(hEvent); dbei->cbBlob = (size != -1) ? (DWORD)size : 0; } if (dbei->cbBlob) { dbei->pBlob = (PBYTE) mir_alloc(dbei->cbBlob); if (dbei->pBlob == NULL) dbei->cbBlob = 0; } else dbei->pBlob = NULL; bool result = db_event_get(hEvent, dbei) != 0; if (result && dbei->pBlob) { mir_free(dbei->pBlob); dbei->pBlob = NULL; } return result; } /** * This function returns the timestamp for the given event. * @param hEvent - the handle of the event to get the timestamp for * * @retval 0 if no timestamp is available * @retval timestamp **/ DWORD TimeOf(MEVENT hEvent) { DBEVENTINFO dbei; if (!GetInfo(hEvent, &dbei)) return dbei.timestamp; return 0; } /** * This function compares two DBEVENTINFO structures against each other. * It compares the timestamp, eventType and module names. * @param d1 - pointer to the first DBEVENTINFO structure * @param d2 - pointer to the second DBEVENTINFO structure * @param Data - default false, if true compare also blob data .* * @retval TRUE - The structures describe the same event. * @retval FALSE - The two structure's events differ from each other. **/ static FORCEINLINE bool IsEqual(const DBEVENTINFO *d1, const DBEVENTINFO *d2, bool Data) { bool res = d1 && d2 && (d1->timestamp == d2->timestamp) && (d1->eventType == d2->eventType) && (d1->cbBlob == d2->cbBlob) && (!d1->szModule || !d2->szModule || !_stricmp(d1->szModule, d2->szModule)); if (Data) return res && (!d1->pBlob || !d2->pBlob || !memcmp(d1->pBlob,d2->pBlob,d1->cbBlob)); return res; } /** * This functions searches for an existing event in the database, which matches * the information provided by 'dbei'. In order to fasten up the search e.g. * while checking many events, this function stars searching from the last * found event. * @param hContact - the handle of the contact to search events for * @param hDbExistingEvent - an existing database event to start the search from. * @param dbei - the pointer to a DBEVENTINFO structure * * @retval TRUE - the event identified by its information in @c dbei exists. * @retval FALSE - no event with the information of @c dbei exists. * **/ bool Exists(MCONTACT hContact, MEVENT& hDbExistingEvent, DBEVENTINFO *dbei) { bool result = false; DBEVENTINFO edbei; if (!hDbExistingEvent) { hDbExistingEvent = db_event_first(hContact); if (hDbExistingEvent) { if (!GetInfo(hDbExistingEvent, &edbei)) { if ((dbei->timestamp < edbei.timestamp)) return false; if (IsEqual(dbei, &edbei, false)) { if (!GetInfoWithData(hDbExistingEvent, &edbei)) { if (IsEqual(dbei, &edbei, true)) { mir_free(edbei.pBlob); return true; } mir_free(edbei.pBlob); } } } MEVENT edbe = db_event_last(hContact); if (edbe == hDbExistingEvent) return FALSE; hDbExistingEvent = edbe; } } if (hDbExistingEvent) { MEVENT sdbe = hDbExistingEvent; for (MEVENT edbe = sdbe; edbe && !GetInfo(edbe, &edbei) && (dbei->timestamp <= edbei.timestamp); edbe = db_event_prev(hContact, edbe)) { hDbExistingEvent = edbe; //compare without data (faster) if ( result = IsEqual(dbei, &edbei, false)) { if (NULL == (result = !GetInfoWithData(edbe, &edbei))) continue; //compare with data result = IsEqual(dbei, &edbei, true); mir_free(edbei.pBlob); if (result) break; } } /*end for*/ if (!result) { for (MEVENT edbe = db_event_next(hContact, sdbe); edbe && !GetInfo(edbe, &edbei) && (dbei->timestamp >= edbei.timestamp); edbe = db_event_next(hContact, edbe)) { hDbExistingEvent = edbe; //compare without data (faster) if (result = IsEqual(dbei, &edbei, false)) { if (NULL == (result = !GetInfoWithData(edbe, &edbei))) continue; //compare with data result = IsEqual(dbei, &edbei, true); mir_free(edbei.pBlob); if (result) break; } } } } return result; } } /* namespace Events */ int CEnumList::EnumProc(LPCSTR pszName, DWORD, LPARAM lParam) { if (pszName) ((CEnumList*)lParam)->Insert(pszName); return 0; } int CEnumList::EnumSettingsProc(LPCSTR pszName, LPARAM lParam) { return EnumProc(pszName, 0, lParam); } int CEnumList::CompareProc(LPCSTR p1, LPCSTR p2) { if (p1) { if (p2) return mir_strcmp(p1, p2); return 1; } return 0; } CEnumList::CEnumList() : LIST(50, CEnumList::CompareProc) { } CEnumList::~CEnumList() { for (int i = 0, cnt = getCount(); i < cnt; i++) { LPSTR p = (*this)[i]; if (p) mir_free(p); } } LPSTR CEnumList::Insert(LPCSTR str) { LPSTR p = mir_strdup(str); if (p && !insert(p)) { mir_free(p); p = NULL; } return p; } INT_PTR CEnumList::EnumModules() { return db_enum_modules(CEnumList::EnumProc, this); } /** * @retval -1 - no settings to enumerate * @retval 0 - success **/ INT_PTR CEnumList::EnumSettings(MCONTACT hContact, LPCSTR pszModule) { return db_enum_settings(hContact, &CEnumList::EnumSettingsProc, pszModule, this); } } /* namespace DB */