std::string n_url = url;

std::string::iterator new_end = std::unique(n_url.begin(), n_url.end(), [](char a, char b) { return (a == b) && (a == '/'); });

n_url.erase(new_end, n_url.end());

std::string::size_type n_url_length = n_url.length();

std::string result;

if (n_url_length > 1 && n_url[n_url_length - 1] == '/') {

result = n_url.substr(0, n_url_length - 1);

} else {

result = n_url;

}

return result;

std::string filename = directory + http_utils::path_separator + http_utils::upload_filename_template;

char *template_filename = strdup(filename.c_str());

int fd = 0;

#if defined(_WIN32)

// only function for win32 which creates unique filenames and can handle a given template including a path

// all other functions like tmpnam() always create filenames in the 'temp' directory

if (0 != _mktemp_s(template_filename, filename.size() + 1)) {

free(template_filename);

throw generateFilenameException("Failed to create unique filename");

}

// as no existing file should be overwritten the operation should fail if the file already exists

// fstream or ofstream classes don't feature such an option

// with the function _sopen_s this can be achieved by setting the flag _O_EXCL

if (0 != _sopen_s(&fd, template_filename, _O_CREAT | _O_EXCL | _O_NOINHERIT, _SH_DENYNO, _S_IREAD | _S_IWRITE)) {

free(template_filename);

throw generateFilenameException("Failed to create file");

}

if (fd == -1) {

free(template_filename);

throw generateFilenameException("File descriptor after successful _sopen_s is -1");

}

_close(fd);

#else // _WIN32

fd = mkstemp(template_filename);

if (fd == -1) {

free(template_filename);

throw generateFilenameException("Failed to create unique file");

}

close(fd);

#endif // _WIN32

std::string ret_filename = template_filename;

free(template_filename);

return ret_filename;

if (!sa) throw std::invalid_argument("socket pointer is null");

char to_ret[NI_MAXHOST];

if (AF_INET6 == sa->sa_family) {

inet_ntop(AF_INET6, &((reinterpret_cast<const sockaddr_in6*>(sa))->sin6_addr), to_ret, INET6_ADDRSTRLEN);

return to_ret;

} else if (AF_INET == sa->sa_family) {

inet_ntop(AF_INET, &((reinterpret_cast<const sockaddr_in*>(sa))->sin_addr), to_ret, INET_ADDRSTRLEN);

return to_ret;

} else {

throw std::invalid_argument("IP family must be either AF_INET or AF_INET6");

}

if (!sa) throw std::invalid_argument("socket pointer is null");

if (sa->sa_family == AF_INET) {

return (reinterpret_cast<const struct sockaddr_in*>(sa))->sin_port;

} else if (sa->sa_family == AF_INET6) {

return (reinterpret_cast<const struct sockaddr_in6*>(sa))->sin6_port;

} else {

throw std::invalid_argument("IP family must be either AF_INET or AF_INET6");

}

if (val->empty()) return 0;

unsigned int rpos = 0;

unsigned int wpos = 0;

unsigned int num;

unsigned int size = val->size();

while (rpos < size && (*val)[rpos] != '\0') {

switch ((*val)[rpos]) {

case '+':

(*val)[wpos] = ' ';

wpos++;

rpos++;

break;

case '%':

if (size > rpos + 2 && ((1 == sscanf(val->substr(rpos + 1, 2).c_str(), "%2x", &num)) || (1 == sscanf(val->substr(rpos + 1, 2).c_str(), "%2X", &num)))) {

(*val)[wpos] = (unsigned char) num;

wpos++;

rpos += 3;

break;

}

// intentional fall through!

default:

(*val)[wpos] = (*val)[rpos];

wpos++;

rpos++;

}

}

(*val)[wpos] = '\0'; // add 0-terminator

val->resize(wpos);

return wpos; // = strlen(val)

std::fill(pieces, pieces + 16, 0);

if (ip->sa_family == AF_INET) {

ip_version = http_utils::IPV4;

const in_addr* sin_addr_pt = &((reinterpret_cast<const struct sockaddr_in*>(ip))->sin_addr);

for (int i = 0; i < 4; i++) {

pieces[12 + i] = (reinterpret_cast<const u_char*>(sin_addr_pt))[i];

}

} else {

ip_version = http_utils::IPV6;

const in6_addr* sin_addr6_pt = &((reinterpret_cast<const struct sockaddr_in6*>(ip))->sin6_addr);

for (int i = 0; i < 16; i++) {

pieces[i] = (reinterpret_cast<const u_char*>(sin_addr6_pt))[i];

}

}

mask = DEFAULT_MASK_VALUE;

std::vector<std::string> parts;

mask = DEFAULT_MASK_VALUE;

std::fill(pieces, pieces + 16, 0);

if (ip.find(':') != std::string::npos) { // IPV6

ip_version = http_utils::IPV6;

parts = string_utilities::string_split(ip, ':', false);

if (parts.size() > 8) {

throw std::invalid_argument("IP is badly formatted. Max 8 parts in IPV6.");

}

unsigned int omitted = 8 - (parts.size() - 1);

if (omitted != 0) {

int empty_count = 0;

for (unsigned int i = 0; i < parts.size(); i++) {

if (parts[i].size() == 0) empty_count++;

}

if (empty_count > 1) {

if (parts[parts.size() - 1].find(".") != std::string::npos) omitted -= 1;

if (empty_count == 2 && parts[0] == "" && parts[1] == "") {

omitted += 1;

parts = std::vector<std::string>(parts.begin() + 1, parts.end());

} else {

throw std::invalid_argument("IP is badly formatted. Cannot have more than one omitted segment in IPV6.");

}

}

}

int y = 0;

for (unsigned int i = 0; i < parts.size(); i++) {

if (parts[i] != "*") {

if (parts[i].size() == 0) {

for (unsigned int omitted_idx = 0; omitted_idx < omitted; omitted_idx++) {

pieces[y] = 0;

pieces[y+1] = 0;

y += 2;

}

continue;

}

if (parts[i].size() < 4) {

std::stringstream ss;

ss << std::setfill('0') << std::setw(4) << parts[i];

parts[i] = ss.str();

}

if (parts[i].size() == 4) {

pieces[y] = strtol((parts[i].substr(0, 2)).c_str(), nullptr, 16);

pieces[y+1] = strtol((parts[i].substr(2, 2)).c_str(), nullptr, 16);

y += 2;

} else {

if (parts[i].find('.') != std::string::npos) {

if (y != 12) {

throw std::invalid_argument("IP is badly formatted. Missing parts before nested IPV4.");

}

if (i != parts.size() - 1) {

throw std::invalid_argument("IP is badly formatted. Nested IPV4 should be at the end");

}

std::vector<std::string> subparts = string_utilities::string_split(parts[i], '.');

if (subparts.size() == 4) {

for (unsigned int k = 0; k < 10; k++) {

if (pieces[k] != 0) throw std::invalid_argument("IP is badly formatted. Nested IPV4 can be preceded only by 0 (and, optionally, two 255 octects)");

}

if ((pieces[10] != 0 && pieces[10] != 255) || (pieces[11] != 0 && pieces[11] != 255)) {

throw std::invalid_argument("IP is badly formatted. Nested IPV4 can be preceded only by 0 (and, optionally, two 255 octects)");

}

for (unsigned int ii = 0; ii < subparts.size(); ii++) {

if (subparts[ii] != "*") {

pieces[y+ii] = strtol(subparts[ii].c_str(), nullptr, 10);

if (pieces[y+ii] > 255) throw std::invalid_argument("IP is badly formatted. 255 is max value for ip part.");

} else {

CLEAR_BIT(mask, y+ii);

}

}

} else {

throw std::invalid_argument("IP is badly formatted. Nested IPV4 can have max 4 parts.");

}

} else {

throw std::invalid_argument("IP is badly formatted. IPV6 parts can have max 4 characters (or nest an IPV4)");

}

}

} else {

CLEAR_BIT(mask, y);

CLEAR_BIT(mask, y+1);

y+=2;

}

}

} else { // IPV4

ip_version = http_utils::IPV4;

parts = string_utilities::string_split(ip, '.');

if (parts.size() == 4) {

for (unsigned int i = 0; i < parts.size(); i++) {

if (parts[i] != "*") {

pieces[12+i] = strtol(parts[i].c_str(), nullptr, 10);

if (pieces[12+i] > 255) throw std::invalid_argument("IP is badly formatted. 255 is max value for ip part.");

} else {

CLEAR_BIT(mask, 12+i);

}

}

} else {

throw std::invalid_argument("IP is badly formatted. Max 4 parts in IPV4.");

}

}

std::ifstream fp(filename.c_str(), std::ios::in | std::ios::binary | std::ios::ate);

if (fp.is_open()) {

std::string content;

fp.seekg(0, fp.end);

content.reserve(fp.tellg());

fp.seekg(0, fp.beg);

content.assign((std::istreambuf_iterator<char>(fp)), std::istreambuf_iterator<char>());

return content;

} else {

throw std::invalid_argument("Unable to open file");

}

std::map<std::string, std::string, header_comparator>::const_iterator it = map.begin();

std::map<std::string, std::string, header_comparator>::const_iterator end = map.end();

if (map.size()) {

os << " " << prefix << " [";

for (; it != end; ++it) {

os << (*it).first << ":\"" << (*it).second << "\" ";

}

os << "]" << std::endl;

}

std::map<std::string, std::string, arg_comparator>::const_iterator it = map.begin();

std::map<std::string, std::string, arg_comparator>::const_iterator end = map.end();

if (map.size()) {

os << " " << prefix << " [";

for (; it != end; ++it) {

os << (*it).first << ":\"" << (*it).second << "\" ";

}

os << "]" << std::endl;

}

if ((*s)[0] == 0) return 0;

if (unescaper != nullptr) {

unescaper(*s);

return s->size();

}

return http_unescape(s);