Textractor/extensions/network.cpp
2019-06-29 08:46:31 +05:30

68 lines
2.1 KiB
C++

#include "network.h"
#include "util.h"
HttpRequest::HttpRequest(
const wchar_t* agentName,
const wchar_t* serverName,
const wchar_t* action,
const wchar_t* objectName,
DWORD requestFlags,
const wchar_t* httpVersion,
const wchar_t* referrer,
const wchar_t** acceptTypes,
const wchar_t* headers,
void* body,
DWORD bodyLength
)
{
static std::atomic<HINTERNET> internet = NULL;
if (!internet) internet = WinHttpOpen(agentName, WINHTTP_ACCESS_TYPE_DEFAULT_PROXY, NULL, NULL, 0);
if (internet)
if (InternetHandle connection = WinHttpConnect(internet, serverName, INTERNET_DEFAULT_HTTPS_PORT, 0))
if (InternetHandle request = WinHttpOpenRequest(connection, action, objectName, httpVersion, referrer, acceptTypes, requestFlags))
if (WinHttpSendRequest(request, headers, -1UL, body, bodyLength, bodyLength, NULL))
{
WinHttpReceiveResponse(request, NULL);
std::string data;
DWORD availableSize, downloadedSize;
do
{
availableSize = 0;
WinHttpQueryDataAvailable(request, &availableSize);
if (!availableSize) break;
std::vector<char> buffer(availableSize);
WinHttpReadData(request, buffer.data(), availableSize, &downloadedSize);
data.append(buffer.data(), downloadedSize);
} while (availableSize > 0);
response = StringToWideString(data);
this->connection = std::move(connection);
this->request = std::move(request);
}
else errorCode = GetLastError();
else errorCode = GetLastError();
else errorCode = GetLastError();
else errorCode = GetLastError();
}
std::wstring Escape(const std::wstring& text)
{
std::wstring escaped;
for (unsigned char ch : WideStringToString(text)) escaped += FormatString(L"%%%02X", (int)ch);
return escaped;
}
void Unescape(std::wstring& text)
{
for (int i = 0; i < text.size(); ++i)
{
if (text[i] == L'\\')
{
text[i] = 0x200b;
if (text[i + 1] == L'r') text[i + 1] = 0x200b; // for some reason \r gets displayed as a newline
if (text[i + 1] == L'n') text[i + 1] = L'\n';
if (text[i + 1] == L't') text[i + 1] = L'\t';
if (text[i + 1] == L'\\') ++i;
}
}
}