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#include "skype.h"
bool CSkypeProto::IsAvatarChanged(const SEBinary &avatar, HANDLE hContact)
{
bool result = false;
::mir_md5_byte_t digest[16];
::mir_md5_hash((PBYTE)avatar.data(), (int)avatar.size(), digest);
DBVARIANT dbv;
::db_get(hContact, this->m_szModuleName, "AvatarHash", &dbv);
if (dbv.type == DBVT_BLOB && dbv.pbVal && dbv.cpbVal == 16)
{
if (::memcmp(digest, dbv.pbVal, 16) == 0)
{
result = true;
}
}
::db_free(&dbv);
return result;
}
int CSkypeProto::DetectAvatarFormatBuffer(const char *pBuffer)
{
if (!strncmp(pBuffer, "%PNG", 4))
return PA_FORMAT_PNG;
if (!strncmp(pBuffer, "GIF8", 4))
return PA_FORMAT_GIF;
if (!_strnicmp(pBuffer, "<?xml", 5))
return PA_FORMAT_XML;
if ((((DWORD *)pBuffer)[0] == 0xE0FFD8FFul) || (((DWORD *)pBuffer)[0] == 0xE1FFD8FFul))
return PA_FORMAT_JPEG;
if (!strncmp(pBuffer, "BM", 2))
return PA_FORMAT_BMP;
return PA_FORMAT_UNKNOWN;
}
int CSkypeProto::DetectAvatarFormat(const wchar_t *path)
{
int src = _wopen(path, _O_BINARY | _O_RDONLY, 0);
if (src == -1)
return PA_FORMAT_UNKNOWN;
char pBuf[32];
_read(src, pBuf, 32);
_close(src);
return CSkypeProto::DetectAvatarFormatBuffer(pBuf);
}
wchar_t * CSkypeProto::GetContactAvatarFilePath(HANDLE hContact)
{
wchar_t *path = (wchar_t*)::mir_alloc(MAX_PATH * sizeof(wchar_t));
this->InitCustomFolders();
if (m_hAvatarsFolder == NULL || FoldersGetCustomPathT(m_hAvatarsFolder, path, MAX_PATH, _T("")))
{
ptrW tmpPath( ::Utils_ReplaceVarsT(L"%miranda_avatarcache%"));
::mir_sntprintf(path, MAX_PATH, _T("%s\\%S"), tmpPath, this->m_szModuleName);
}
DWORD dwAttributes = GetFileAttributes(path);
if (dwAttributes == 0xffffffff || (dwAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0)
CallService(MS_UTILS_CREATEDIRTREET, 0, (LPARAM)path);
ptrW sid(::db_get_wsa(hContact, this->m_szModuleName, SKYPE_SETTINGS_SID));
if (hContact != NULL)
::mir_sntprintf(path, MAX_PATH, _T("%s\\%s.jpg"), path, sid);
else if (sid != NULL)
::mir_sntprintf(path, MAX_PATH, _T("%s\\%s avatar.jpg"), path, sid);
else
{
::mir_free(path);
return NULL;
}
return path;
}
INT_PTR __cdecl CSkypeProto::GetAvatarInfo(WPARAM, LPARAM lParam)
{
PROTO_AVATAR_INFORMATIONW *pai = (PROTO_AVATAR_INFORMATIONW *)lParam;
if (this->getDword(pai->hContact, "AvatarTS", 0))
return GAIR_NOAVATAR;
ptrW sid = ::db_get_wsa(pai->hContact, this->m_szModuleName, SKYPE_SETTINGS_SID);
if (sid)
{
ptrW path( this->GetContactAvatarFilePath(pai->hContact));
if (path && !_waccess(path, 0))
{
::wcsncpy(pai->filename, path, SIZEOF(pai->filename));
pai->format = PA_FORMAT_JPEG;
return GAIR_SUCCESS;
}
}
return GAIR_NOAVATAR;
}
INT_PTR __cdecl CSkypeProto::GetAvatarCaps(WPARAM wParam, LPARAM lParam)
{
switch (wParam)
{
case AF_MAXSIZE:
{
POINT *size = (POINT *)lParam;
if (size)
{
size->x = 96;
size->y = 96;
}
}
break;
case AF_PROPORTION:
return PIP_NONE;
case AF_FORMATSUPPORTED:
return lParam == PA_FORMAT_JPEG;
case AF_ENABLED:
return 1;
case AF_DONTNEEDDELAYS:
return 1;
case AF_MAXFILESIZE:
// server accepts images of 32000 bytees, not bigger
return 32000;
case AF_DELAYAFTERFAIL:
// do not request avatar again if server gave an error
return 1;// * 60 * 60 * 1000; // one hour
case AF_FETCHALWAYS:
// avatars can be fetched all the time (server only operation)
return 1;
}
return 0;
}
INT_PTR __cdecl CSkypeProto::GetMyAvatar(WPARAM wParam, LPARAM lParam)
{
if (!wParam)
return -2;
mir_ptr<wchar_t> path( this->GetContactAvatarFilePath(NULL));
if (path && CSkypeProto::FileExists(path))
{
::wcsncpy((wchar_t *)wParam, path, (int)lParam);
return 0;
}
return -1;
}
INT_PTR __cdecl CSkypeProto::SetMyAvatar(WPARAM, LPARAM lParam)
{
wchar_t *path = (wchar_t *)lParam;
if (path)
{
ptrW avatarPath( this->GetContactAvatarFilePath(NULL));
if ( !::wcscmp(path, avatarPath))
{
this->Log(L"New avatar path are same with old.");
return -1;
}
SEBinary avatar = this->GetAvatarBinary(path);
if (avatar.size() == 0)
{
this->Log(L"Failed to read avatar file.");
return -1;
}
if (this->IsAvatarChanged(avatar))
{
this->Log(L"New avatar are same with old.");
return -1;
}
if ( !::CopyFile(path, avatarPath, FALSE))
{
this->Log(L"Failed to copy new avatar to local storage.");
return -1;
}
Skype::VALIDATERESULT result = Skype::NOT_VALIDATED;
if (!this->account->SetAvatar(avatar, result))
{
this->Log(CSkypeProto::ValidationReasons[result]);
return -1;
}
uint newTS = this->account->GetUintProp(Account::P_AVATAR_IMAGE);
this->setDword("AvatarTS", newTS);
return 0;
}
this->account->SetBinProperty(Account::P_AVATAR_IMAGE, SEBinary());
this->delSetting("AvatarTS");
return 0;
}
SEBinary CSkypeProto::GetAvatarBinary(wchar_t *path)
{
SEBinary avatar;
if (CSkypeProto::FileExists(path))
{
int len;
char *buffer;
FILE* fp = ::_wfopen(path, L"rb");
if (fp)
{
::fseek(fp, 0, SEEK_END);
len = ::ftell(fp);
::fseek(fp, 0, SEEK_SET);
buffer = new char[len + 1];
::fread(buffer, len, 1, fp);
::fclose(fp);
avatar.set(buffer, len);
}
}
return avatar;
}
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