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/*
Copyright © 2016-20 Miranda NG team
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, see <http://www.gnu.org/licenses/>.
*/
#include "stdafx.h"
CMStringW CDiscordProto::GetAvatarFilename(MCONTACT hContact)
{
CMStringW wszResult(FORMAT, L"%s\\%S", VARSW(L"%miranda_avatarcache%"), m_szModuleName);
CreateDirectoryTreeW(wszResult);
wszResult.AppendChar('\\');
const wchar_t* szFileType = ProtoGetAvatarExtension(getByte(hContact, "AvatarType", PA_FORMAT_PNG));
wszResult.AppendFormat(L"%lld%s", getId(hContact, DB_KEY_ID), szFileType);
return wszResult;
}
INT_PTR CDiscordProto::GetAvatarCaps(WPARAM wParam, LPARAM lParam)
{
int res = 0;
switch (wParam) {
case AF_MAXSIZE:
((POINT*)lParam)->x = ((POINT*)lParam)->y = 128;
break;
case AF_FORMATSUPPORTED:
res = lParam == PA_FORMAT_PNG || lParam == PA_FORMAT_GIF || lParam == PA_FORMAT_JPEG;
break;
case AF_ENABLED:
case AF_DONTNEEDDELAYS:
case AF_FETCHIFPROTONOTVISIBLE:
case AF_FETCHIFCONTACTOFFLINE:
return 1;
}
return res;
}
/////////////////////////////////////////////////////////////////////////////////////////
void CDiscordProto::OnReceiveAvatar(NETLIBHTTPREQUEST *reply, AsyncHttpRequest *pReq)
{
PROTO_AVATAR_INFORMATION ai = { 0 };
ai.format = PA_FORMAT_UNKNOWN;
ai.hContact = (UINT_PTR)pReq->pUserInfo;
if (reply->resultCode != 200) {
LBL_Error:
ProtoBroadcastAck(ai.hContact, ACKTYPE_AVATAR, ACKRESULT_FAILED, (HANDLE)&ai);
return;
}
if (auto *pszHdr = Netlib_GetHeader(reply, "Content-Type"))
ai.format = ProtoGetAvatarFormatByMimeType(pszHdr);
if (ai.format == PA_FORMAT_UNKNOWN) {
debugLogA("unknown avatar mime type");
goto LBL_Error;
}
setByte(ai.hContact, "AvatarType", ai.format);
mir_wstrncpy(ai.filename, GetAvatarFilename(ai.hContact), _countof(ai.filename));
FILE *out = _wfopen(ai.filename, L"wb");
if (out == nullptr) {
debugLogA("cannot open avatar file %S for writing", ai.filename);
goto LBL_Error;
}
fwrite(reply->pData, 1, reply->dataLength, out);
fclose(out);
if (ai.hContact)
ProtoBroadcastAck(ai.hContact, ACKTYPE_AVATAR, ACKRESULT_SUCCESS, (HANDLE)&ai);
else
ReportSelfAvatarChanged();
}
bool CDiscordProto::RetrieveAvatar(MCONTACT hContact)
{
ptrA szAvatarHash(getStringA(hContact, DB_KEY_AVHASH));
SnowFlake id = getId(hContact, DB_KEY_ID);
if (id == 0 || szAvatarHash == nullptr)
return false;
CMStringA szUrl(FORMAT, "https://cdn.discordapp.com/avatars/%lld/%s.jpg", id, szAvatarHash.get());
AsyncHttpRequest *pReq = new AsyncHttpRequest(this, REQUEST_GET, szUrl, &CDiscordProto::OnReceiveAvatar);
pReq->pUserInfo = (void*)hContact;
Push(pReq);
return true;
}
INT_PTR CDiscordProto::GetAvatarInfo(WPARAM flags, LPARAM lParam)
{
PROTO_AVATAR_INFORMATION *pai = (PROTO_AVATAR_INFORMATION *)lParam;
CMStringW wszFileName(GetAvatarFilename(pai->hContact));
if (!wszFileName.IsEmpty()) {
mir_wstrncpy(pai->filename, wszFileName, _countof(pai->filename));
bool bFileExist = _waccess(wszFileName, 0) == 0;
// if we still need to load an avatar
if ((flags & GAIF_FORCE) || !bFileExist) {
if (RetrieveAvatar(pai->hContact))
return GAIR_WAITFOR;
}
else if (bFileExist)
return GAIR_SUCCESS;
}
return GAIR_NOAVATAR;
}
/////////////////////////////////////////////////////////////////////////////////////////
INT_PTR CDiscordProto::GetMyAvatar(WPARAM wParam, LPARAM lParam)
{
if (!wParam || !lParam)
return -3;
wchar_t* buf = (wchar_t*)wParam;
int size = (int)lParam;
PROTO_AVATAR_INFORMATION ai = {};
switch (GetAvatarInfo(0, (LPARAM)&ai)) {
case GAIR_SUCCESS:
wcsncpy_s(buf, size, ai.filename, _TRUNCATE);
return 0;
case GAIR_WAITFOR:
return -1;
}
return -2;
}
/////////////////////////////////////////////////////////////////////////////////////////
INT_PTR CDiscordProto::SetMyAvatar(WPARAM, LPARAM lParam)
{
CMStringW wszFileName(GetAvatarFilename(0));
const wchar_t *pwszFilename = (const wchar_t*)lParam;
if (pwszFilename == nullptr) { // remove my avatar file
delSetting(DB_KEY_AVHASH);
DeleteFile(wszFileName);
}
CMStringA szPayload("data:");
const char *szMimeType = ProtoGetAvatarMimeType(ProtoGetAvatarFileFormat(pwszFilename));
if (szMimeType == nullptr) {
debugLogA("invalid file format for avatar %S", pwszFilename);
return 1;
}
szPayload.AppendFormat("%s;base64,", szMimeType);
FILE *in = _wfopen(pwszFilename, L"rb");
if (in == nullptr) {
debugLogA("cannot open avatar file %S for reading", pwszFilename);
return 2;
}
int iFileLength = _filelength(_fileno(in));
ptrA szFileContents((char*)mir_alloc(iFileLength));
fread(szFileContents, 1, iFileLength, in);
fclose(in);
szPayload.Append(ptrA(mir_base64_encode(szFileContents.get(), iFileLength)));
JSONNode root; root << CHAR_PARAM("avatar", szPayload);
Push(new AsyncHttpRequest(this, REQUEST_PATCH, "/users/@me", nullptr, &root));
return 0;
}
/////////////////////////////////////////////////////////////////////////////////////////
void CDiscordProto::CheckAvatarChange(MCONTACT hContact, const CMStringW &wszNewHash)
{
if (wszNewHash.IsEmpty())
return;
ptrW wszOldAvatar(getWStringA(hContact, DB_KEY_AVHASH));
// if avatar's hash changed, we need to request a new one
if (mir_wstrcmp(wszNewHash, wszOldAvatar)) {
setWString(hContact, DB_KEY_AVHASH, wszNewHash);
RetrieveAvatar(hContact);
}
}
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