fc::vector<header> parse_urlencoded_params( const fc::string& f ) {
int num_args = 0;
for( size_t i = 0; i < f.size(); ++i ) {
if( f[i] == '=' ) ++num_args;
}
fc::vector<header> h(num_args);
int arg = 0;
for( size_t i = 0; i < f.size(); ++i ) {
while( f[i] != '=' && i < f.size() ) {
if( f[i] == '%' ) {
h[arg].key += char((fc::from_hex(f[i+1]) << 4) | fc::from_hex(f[i+2]));
i += 3;
} else {
h[arg].key += f[i];
++i;
}
}
++i;
while( i < f.size() && f[i] != '&' ) {
if( f[i] == '%' ) {
h[arg].val += char((fc::from_hex(f[i+1]) << 4) | fc::from_hex(f[i+2]));
i += 3;
} else {
h[arg].val += f[i] == '+' ? ' ' : f[i];
++i;
}
}
++arg;
}
return h;
}
size_t from_hex( const fc::string& hex_str, char* out_data, size_t out_data_len ) {
fc::string::const_iterator i = hex_str.begin();
uint8_t* out_pos = (uint8_t*)out_data;
uint8_t* out_end = out_pos + out_data_len;
while( i != hex_str.end() && out_end != out_pos ) {
*out_pos = from_hex( *i ) << 4;
++i;
if( i != hex_str.end() ) {
*out_pos |= from_hex( *i );
++i;
}
++out_pos;
}
return out_pos - (uint8_t*)out_data;
}
void node::start_service( uint16_t cn, const fc::string& name, const node::new_channel_handler& cb ) {
if( !my->_thread.is_current() ) {
my->_thread.async( [&,this](){ return start_service( cn, name, cb ); } ).wait();
return;
}
if( !my->_services.insert( service( cn, name, cb ) ).second )
FC_THROW_MSG( "Unable to start service '%s' on channel '%s' because channel '%s' is in use.", name.c_str(), cn, cn );
slog( "Starting service '%s' on channel %d", name.c_str(), cn );
}
// windows command-line escaping rules are a disaster, partly because how the command-line is
// parsed depends on what program you're running. In windows, the command line is passed in
// as a single string, and the process is left to interpret it as it sees fit. The standard
// C runtime uses one set of rules, the function CommandLineToArgvW usually used by
// GUI-mode programs uses a different set.
// Here we try to find a common denominator that works well for simple cases
// it's only minimally tested right now due to time constraints.
fc::string detail::process_impl::windows_shell_escape(const fc::string& str) {
if (str.find_first_of(" \"") == fc::string::npos)
return str;
fc::string escaped_quotes(str);
for (size_t start = escaped_quotes.find("\"");
start != fc::string::npos;
start = escaped_quotes.find("\"", start + 2))
escaped_quotes.replace(start, 1, "\\\"");
fc::string escaped_str("\"");
escaped_str += escaped_quotes;
escaped_str += "\"";
return escaped_str;
}
// these rules work pretty well for a standard bash shell on unix
fc::string detail::process_impl::unix_shell_escape(const fc::string& str) {
if (str.find_first_of(" ;&|><*?`$(){}[]!#'\"") == fc::string::npos)
return str;
fc::string escaped_quotes(str);
for (size_t start = escaped_quotes.find("'");
start != fc::string::npos;
start = escaped_quotes.find("'", start + 5))
escaped_quotes.replace(start, 1, "'\"'\"'");
fc::string escaped_str("\'");
escaped_str += escaped_quotes;
escaped_str += "\'";
return escaped_str;
}
/***
* @brief Read input from the user
* @param prompt the prompt to display
* @param line what the user typed
*/
void cli::getline( const fc::string& prompt, fc::string& line)
{
// getting file descriptor for C++ streams is near impossible
// so we just assume it's the same as the C stream...
#ifdef HAVE_EDITLINE
#ifndef WIN32
if( isatty( fileno( stdin ) ) )
#else
// it's implied by
// https://msdn.microsoft.com/en-us/library/f4s0ddew.aspx
// that this is the proper way to do this on Windows, but I have
// no access to a Windows compiler and thus,
// no idea if this actually works
if( _isatty( _fileno( stdin ) ) )
#endif
{
rl_set_complete_func(my_rl_complete);
rl_set_list_possib_func(cli_completion);
rl_set_check_secret_func(cli_check_secret);
static fc::thread getline_thread("getline");
getline_thread.async( [&](){
char* line_read = nullptr;
std::cout.flush(); //readline doesn't use cin, so we must manually flush _out
line_read = readline(prompt.c_str());
if( line_read == nullptr )
FC_THROW_EXCEPTION( fc::eof_exception, "" );
line = line_read;
// we don't need here to add line in editline's history, cause it will be doubled
free(line_read);
}).wait();
}
else
#endif
{
std::cout << prompt;
// sync_call( cin_thread, [&](){ std::getline( *input_stream, line ); }, "getline");
fc::getline( fc::cin, line );
return;
}
}
fc::string pretty_print( const fc::string& v, uint8_t indent ) {
int level = 0;
fc::stringstream ss;
bool first = false;
bool quote = false;
bool escape = false;
for( uint32_t i = 0; i < v.size(); ++i ) {
switch( v[i] ) {
case '\\':
if( !escape ) {
if( quote )
escape = true;
} else { escape = false; }
ss<<v[i];
break;
case ':':
if( !quote ) {
ss<<": ";
} else {
ss<<':';
}
break;
case '"':
if( first ) {
ss<<'\n';
for( int i = 0; i < level*indent; ++i ) ss<<' ';
first = false;
}
if( !escape ) {
quote = !quote;
}
escape = false;
ss<<'"';
break;
case '{':
case '[':
ss<<v[i];
if( !quote ) {
++level;
first = true;
}else {
escape = false;
}
break;
case '}':
case ']':
if( !quote ) {
if( v[i-1] != '[' && v[i-1] != '{' ) {
ss<<'\n';
}
--level;
if( !first ) {
for( int i = 0; i < level*indent; ++i ) ss<<' ';
}
first = false;
ss<<v[i];
break;
} else {
escape = false;
ss<<v[i];
}
break;
case ',':
if( !quote ) {
ss<<',';
first = true;
} else {
escape = false;
ss<<',';
}
break;
case 'n':
//If we're in quotes and see a \n, just print it literally but unset the escape flag.
if( quote && escape )
escape = false;
//No break; fall through to default case
default:
if( first ) {
ss<<'\n';
for( int i = 0; i < level*indent; ++i ) ss<<' ';
first = false;
}
ss << v[i];
}
}
return ss.str();
}
address::address( const fc::string& s ) {
_ip = boost::asio::ip::address_v4::from_string(s.c_str()).to_ulong();
}