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#include "stdafx.h"
HANDLE WhatsAppProto::SendFile(MCONTACT hContact, const wchar_t* desc, wchar_t **ppszFiles) {
if (!isOnline())
return nullptr;
ptrA jid(getStringA(hContact, "ID"));
if (jid == NULL)
return nullptr;
// input validation
char *name = mir_utf8encodeW(ppszFiles[0]);
string mime = MediaUploader::getMimeFromExtension(split(name, '.')[1]);
if (mime.empty()) {
mir_free(name);
return nullptr;
}
// get file size
FILE *hFile = _wfopen(ppszFiles[0], L"rb");
if (hFile == nullptr) {
debugLogA(__FUNCTION__": cannot open file %s", ppszFiles[0]);
mir_free(name);
return nullptr;
}
_fseeki64(hFile, 0, SEEK_END);
uint64_t fileSize = _ftelli64(hFile);
fclose(hFile);
// get filetype from mimeType
int fileType = FMessage::getMessage_WA_Type(split(mime, '/')[0]);
// check max file sizes
switch (fileType) {
case FMessage::WA_TYPE_IMAGE:
if (fileSize >= 5 * 1024 * 1024) {
mir_free(name);
return nullptr;
}
break;
case FMessage::WA_TYPE_AUDIO:
if (fileSize >= 10 * 1024 * 1024) {
mir_free(name);
return nullptr;
}
break;
case FMessage::WA_TYPE_VIDEO:
if (fileSize >= 20 * 1024 * 1024) {
mir_free(name);
return nullptr;
}
break;
default:
mir_free(name);
return nullptr;
}
int msgId = GetSerial();
time_t now = time(nullptr);
std::string msgid = Utilities::intToStr(now) + "-" + Utilities::intToStr(msgId);
FMessage * fmsg = new FMessage(std::string(jid), true, msgid);
fmsg->media_url = name;
fmsg->media_size = fileSize;
fmsg->media_wa_type = fileType;
fmsg->data = mir_utf8encodeW(desc);
// calculate file hash
unsigned char hash[MIR_SHA256_HASH_SIZE];
SHA256_CONTEXT sha256;
mir_sha256_init(&sha256);
FILE *fd = _wfopen(ppszFiles[0], L"rb");
int read = 0;
do {
char buf[1024];
read = (int)fread(buf, 1, 1024, fd);
mir_sha256_write(&sha256, buf, read);
} while (read > 0);
fclose(fd);
mir_sha256_final(&sha256, hash);
fmsg->media_name = mir_base64_encode((BYTE*)hash,sizeof(hash));
// request media upload url
m_pConnection->sendMessage(fmsg);
return (HANDLE)fmsg; // TODO what to return here to make the upload shown complete when done and how to handle errors?
}
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