+wxString wxHTTP::GenerateAuthString(const wxString& user, const wxString& pass) const
+{
+ static const char *base64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
+ wxString buf;
+ wxString toencode;
+
+ buf.Printf(wxT("Basic "));
+
+ toencode.Printf(wxT("%s:%s"),user.c_str(),pass.c_str());
+
+ size_t len = toencode.length();
+ const wxChar *from = toencode.c_str();
+ while (len >= 3) { // encode full blocks first
+ buf << wxString::Format(wxT("%c%c"), base64[(from[0] >> 2) & 0x3f], base64[((from[0] << 4) & 0x30) | ((from[1] >> 4) & 0xf)]);
+ buf << wxString::Format(wxT("%c%c"), base64[((from[1] << 2) & 0x3c) | ((from[2] >> 6) & 0x3)], base64[from[2] & 0x3f]);
+ from += 3;
+ len -= 3;
+ }
+ if (len > 0) { // pad the remaining characters
+ buf << wxString::Format(wxT("%c"), base64[(from[0] >> 2) & 0x3f]);
+ if (len == 1) {
+ buf << wxString::Format(wxT("%c="), base64[(from[0] << 4) & 0x30]);
+ } else {
+ buf << wxString::Format(wxT("%c%c"), base64[((from[0] << 4) & 0x30) | ((from[1] >> 4) & 0xf)], base64[(from[1] << 2) & 0x3c]);
+ }
+ buf << wxT("=");
+ }
+
+ return buf;
+}
+