1 files changed, 0 insertions, 279 deletions
diff --git a/wx+/http.cpp b/wx+/http.cpp
deleted file mode 100755
index 1526d30f..00000000
--- a/wx+/http.cpp
+++ /dev/null
@@ -1,279 +0,0 @@
-// *****************************************************************************
-// * This file is part of the FreeFileSync project. It is distributed under    *
-// * GNU General Public License: https://www.gnu.org/licenses/gpl-3.0          *
-// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
-// *****************************************************************************
-
-#include "http.h"
-
-    #include <wx/app.h>
-    #include <zen/thread.h> //std::thread::id
-    #include <wx/protocol/http.h>
-
-using namespace zen;
-
-
-namespace
-{
-
-struct UrlRedirectError
-{
-    UrlRedirectError(const std::wstring& url) : newUrl(url) {}
-    std::wstring newUrl;
-};
-}
-
-
-class HttpInputStream::Impl
-{
-public:
-    Impl(const std::wstring& url, const std::wstring& userAgent, const IOCallback& notifyUnbufferedIO, //throw SysError, UrlRedirectError
-         const std::string* postParams) : //issue POST if bound, GET otherwise
-        notifyUnbufferedIO_(notifyUnbufferedIO)
-    {
-        ZEN_ON_SCOPE_FAIL( cleanup(); /*destructor call would lead to member double clean-up!!!*/ );
-
-        //assert(!startsWith(url, L"https:", CmpAsciiNoCase())); //not supported by wxHTTP!
-
-        const std::wstring urlFmt =         afterFirst(url, L"://", IF_MISSING_RETURN_NONE);
-        const std::wstring server =       beforeFirst(urlFmt, L'/', IF_MISSING_RETURN_ALL);
-        const std::wstring page   = L'/' + afterFirst(urlFmt, L'/', IF_MISSING_RETURN_NONE);
-
-        assert(std::this_thread::get_id() == mainThreadId);
-        assert(wxApp::IsMainLoopRunning());
-
-        webAccess_.SetHeader(L"User-Agent", userAgent);
-        webAccess_.SetTimeout(10 /*[s]*/); //default: 10 minutes: WTF are these wxWidgets people thinking???
-
-        if (!webAccess_.Connect(server)) //will *not* fail for non-reachable url here!
-            throw SysError(L"wxHTTP::Connect");
-
-        if (postParams)
-            if (!webAccess_.SetPostText(L"application/x-www-form-urlencoded", utfTo<wxString>(*postParams)))
-                throw SysError(L"wxHTTP::SetPostText");
-
-        httpStream_.reset(webAccess_.GetInputStream(page)); //pass ownership
-        const int sc = webAccess_.GetResponse();
-
-        //http://en.wikipedia.org/wiki/List_of_HTTP_status_codes#3xx_Redirection
-        if (sc / 100 == 3) //e.g. 301, 302, 303, 307... we're not too greedy since we check location, too!
-        {
-            const std::wstring newUrl(webAccess_.GetHeader(L"Location"));
-            if (newUrl.empty())
-                throw SysError(L"Unresolvable redirect. Empty target Location.");
-
-            throw UrlRedirectError(newUrl);
-        }
-
-        if (sc != 200) //HTTP_STATUS_OK
-            throw SysError(replaceCpy<std::wstring>(L"HTTP status code %x.", L"%x", numberTo<std::wstring>(sc)));
-
-        if (!httpStream_ || webAccess_.GetError() != wxPROTO_NOERR)
-            throw SysError(L"wxHTTP::GetError (" + numberTo<std::wstring>(webAccess_.GetError()) + L")");
-    }
-
-    ~Impl() { cleanup(); }
-
-    size_t read(void* buffer, size_t bytesToRead) //throw SysError, X; return "bytesToRead" bytes unless end of stream!
-    {
-        const size_t blockSize = getBlockSize();
-        assert(memBuf_.size() >= blockSize);
-        assert(bufPos_ <= bufPosEnd_ && bufPosEnd_ <= memBuf_.size());
-
-        char*       it    = static_cast<char*>(buffer);
-        char* const itEnd = it + bytesToRead;
-        for (;;)
-        {
-            const size_t junkSize = std::min(static_cast<size_t>(itEnd - it), bufPosEnd_ - bufPos_);
-            std::memcpy(it, &memBuf_[0] + bufPos_, junkSize);
-            bufPos_ += junkSize;
-            it      += junkSize;
-
-            if (it == itEnd)
-                break;
-            //--------------------------------------------------------------------
-            const size_t bytesRead = tryRead(&memBuf_[0], blockSize); //throw SysError; may return short, only 0 means EOF! => CONTRACT: bytesToRead > 0
-            bufPos_ = 0;
-            bufPosEnd_ = bytesRead;
-
-            if (notifyUnbufferedIO_) notifyUnbufferedIO_(bytesRead); //throw X
-
-            if (bytesRead == 0) //end of file
-                break;
-        }
-        return it - static_cast<char*>(buffer);
-    }
-
-    size_t getBlockSize() const { return 64 * 1024; }
-
-private:
-    size_t tryRead(void* buffer, size_t bytesToRead) //throw SysError; may return short, only 0 means EOF!
-    {
-        if (bytesToRead == 0) //"read() with a count of 0 returns zero" => indistinguishable from end of file! => check!
-            throw std::logic_error("Contract violation! " + std::string(__FILE__) + ":" + numberTo<std::string>(__LINE__));
-        assert(bytesToRead == getBlockSize());
-
-        httpStream_->Read(buffer, bytesToRead);
-
-        const wxStreamError ec = httpStream_->GetLastError();
-        if (ec != wxSTREAM_NO_ERROR && ec != wxSTREAM_EOF)
-            throw SysError(L"wxInputStream::GetLastError (" + numberTo<std::wstring>(httpStream_->GetLastError()) + L")");
-
-        const size_t bytesRead = httpStream_->LastRead();
-        //"if there are not enough bytes in the stream right now, LastRead() value will be
-        // less than size but greater than 0. If it is 0, it means that EOF has been reached."
-        assert(bytesRead > 0 || ec == wxSTREAM_EOF);
-        if (bytesRead > bytesToRead) //better safe than sorry
-            throw SysError(L"InternetReadFile: buffer overflow.");
-
-        return bytesRead; //"zero indicates end of file"
-    }
-
-    Impl           (const Impl&) = delete;
-    Impl& operator=(const Impl&) = delete;
-
-    void cleanup()
-    {
-    }
-
-    wxHTTP webAccess_;
-    std::unique_ptr<wxInputStream> httpStream_; //must be deleted BEFORE webAccess is closed
-
-    const IOCallback notifyUnbufferedIO_; //throw X
-
-    std::vector<char> memBuf_ = std::vector<char>(getBlockSize());
-    size_t bufPos_    = 0; //buffered I/O; see file_io.cpp
-    size_t bufPosEnd_ = 0; //
-};
-
-
-HttpInputStream::HttpInputStream(std::unique_ptr<Impl>&& pimpl) : pimpl_(std::move(pimpl)) {}
-
-HttpInputStream::~HttpInputStream() {}
-
-size_t HttpInputStream::read(void* buffer, size_t bytesToRead) { return pimpl_->read(buffer, bytesToRead); } //throw SysError, X; return "bytesToRead" bytes unless end of stream!
-
-size_t HttpInputStream::getBlockSize() const { return pimpl_->getBlockSize(); }
-
-std::string HttpInputStream::readAll() { return bufferedLoad<std::string>(*pimpl_); } //throw SysError, X;
-
-namespace
-{
-std::unique_ptr<HttpInputStream::Impl> sendHttpRequestImpl(const std::wstring& url, const std::wstring& userAgent, const IOCallback& notifyUnbufferedIO, //throw SysError
-                                                           const std::string* postParams) //issue POST if bound, GET otherwise
-{
-    std::wstring urlRed = url;
-    //"A user agent should not automatically redirect a request more than five times, since such redirections usually indicate an infinite loop."
-    for (int redirects = 0; redirects < 6; ++redirects)
-        try
-        {
-            return std::make_unique<HttpInputStream::Impl>(urlRed, userAgent, notifyUnbufferedIO, postParams); //throw SysError, UrlRedirectError
-        }
-        catch (const UrlRedirectError& e) { urlRed = e.newUrl; }
-    throw SysError(L"Too many redirects.");
-}
-
-
-//encode into "application/x-www-form-urlencoded"
-std::string urlencode(const std::string& str)
-{
-    std::string out;
-    for (const char c : str) //follow PHP spec: https://github.com/php/php-src/blob/master/ext/standard/url.c#L500
-        if (c == ' ')
-            out += '+';
-        else if (('0' <= c && c <= '9') ||
-                 ('A' <= c && c <= 'Z') ||
-                 ('a' <= c && c <= 'z') ||
-                 c == '-' || c == '.' || c == '_') //note: "~" is encoded by PHP!
-            out += c;
-        else
-        {
-            const std::pair<char, char> hex = hexify(c);
-
-            out += '%';
-            out += hex.first;
-            out += hex.second;
-        }
-    return out;
-}
-
-
-std::string urldecode(const std::string& str)
-{
-    std::string out;
-    for (size_t i = 0; i < str.size(); ++i)
-    {
-        const char c = str[i];
-        if (c == '+')
-            out += ' ';
-        else if (c == '%' && str.size() - i >= 3 &&
-                 isHexDigit(str[i + 1]) &&
-                 isHexDigit(str[i + 2]))
-        {
-            out += unhexify(str[i + 1], str[i + 2]);
-            i += 2;
-        }
-        else
-            out += c;
-    }
-    return out;
-}
-}
-
-
-std::string zen::xWwwFormUrlEncode(const std::vector<std::pair<std::string, std::string>>& paramPairs)
-{
-    std::string output;
-    for (const auto& pair : paramPairs)
-        output += urlencode(pair.first) + '=' + urlencode(pair.second) + '&';
-    //encode both key and value: https://www.w3.org/TR/html401/interact/forms.html#h-17.13.4.1
-    if (!output.empty())
-        output.pop_back();
-    return output;
-}
-
-
-std::vector<std::pair<std::string, std::string>> zen::xWwwFormUrlDecode(const std::string& str)
-{
-    std::vector<std::pair<std::string, std::string>> output;
-
-    for (const std::string& nvPair : split(str, '&', SplitType::SKIP_EMPTY))
-        output.emplace_back(urldecode(beforeFirst(nvPair, '=', IF_MISSING_RETURN_ALL)),
-                            urldecode(afterFirst (nvPair, '=', IF_MISSING_RETURN_NONE)));
-    return output;
-}
-
-
-HttpInputStream zen::sendHttpPost(const std::wstring& url, const std::wstring& userAgent, const IOCallback& notifyUnbufferedIO,
-                                  const std::vector<std::pair<std::string, std::string>>& postParams) //throw SysError
-{
-    const std::string encodedParams = xWwwFormUrlEncode(postParams);
-    return sendHttpRequestImpl(url, userAgent, notifyUnbufferedIO, &encodedParams); //throw SysError
-}
-
-
-HttpInputStream zen::sendHttpGet(const std::wstring& url, const std::wstring& userAgent, const IOCallback& notifyUnbufferedIO) //throw SysError
-{
-    return sendHttpRequestImpl(url, userAgent, notifyUnbufferedIO, nullptr); //throw SysError
-}
-
-
-bool zen::internetIsAlive() //noexcept
-{
-    assert(std::this_thread::get_id() == mainThreadId);
-
-    const wxString server = L"www.google.com";
-    const wxString page   = L"/";
-
-    wxHTTP webAccess;
-    webAccess.SetTimeout(10 /*[s]*/); //default: 10 minutes: WTF are these wxWidgets people thinking???
-
-    if (!webAccess.Connect(server)) //will *not* fail for non-reachable url here!
-        return false;
-
-    std::unique_ptr<wxInputStream> httpStream(webAccess.GetInputStream(page)); //call before checking wxHTTP::GetResponse()
-    const int sc = webAccess.GetResponse();
-    //attention: http://www.google.com/ might redirect to "https" => don't follow, just return "true"!!!
-    return sc / 100 == 2 || //e.g. 200
-           sc / 100 == 3;   //e.g. 301, 302, 303, 307... when in doubt, consider internet alive!
-}