Files
sesimos/src/necronda-server.cpp
2018-07-28 11:01:02 +02:00

288 lines
6.3 KiB
C++

/**
* Necronda Web Server 3.0
* necronda-server.cpp - Main Executable
* Lorenz Stechauner, 2018-05-09
*/
#include "necronda-server.h"
#include <magic.h>
#include <iostream>
#include <thread>
#include <sys/time.h>
#include <sys/stat.h>
#include <bits/signum.h>
#include <csignal>
using namespace std;
const char* webroot = "/srv/necronda/";
string getMimeType(string path) {
unsigned long pos = path.find_last_of('.');
string ext;
if (pos != string::npos) {
ext = path.substr(pos + 1, path.length() - pos);
}
magic_t magic = magic_open(MAGIC_MIME_TYPE);
magic_load(magic, "/usr/share/misc/magic.mgc");
string type = magic_file(magic, path.c_str());
magic_setflags(magic, MAGIC_MIME_ENCODING);
string charset = magic_file(magic, path.c_str());
if (type == "text/plain") {
if (ext == "css") {
type = "text/css";
} else if (ext == "js") {
type = "text/javascript";
}
}
magic_close(magic);
return type + "; charset=" + charset;
}
/**
* Sun, 06 Nov 1994 08:49:37 GMT
* @return
*/
std::string getTimestamp(string path) {
struct stat attrib;
stat(path.c_str(), &attrib);
return getTimestamp(attrib.st_ctime);
}
std::string getTimestamp(time_t time) {
char buffer[64];
struct tm *timeinfo = gmtime(&time);
strftime(buffer, sizeof(buffer), "%Y%m%d%H%M%S", timeinfo);
return string(buffer);
}
long getFileSize(string filename) {
struct stat stat_buf;
int rc = stat(filename.c_str(), &stat_buf);
return rc == 0 ? stat_buf.st_size : -1;
}
/**
* Returns a formatted time string
* @param micros Delta time to be formatted
* @return A formatted time string
*/
std::string formatTime(long micros) {
char buffer[64];
if (micros < 1000) {
sprintf(buffer, "%.3f ms", micros / 1000.0);
} else if (micros < 10000) {
sprintf(buffer, "%.2f ms", micros / 1000.0);
} else if (micros < 100000) {
sprintf(buffer, "%.1f ms", micros / 1000.0);
} else if (micros < 1000000) {
sprintf(buffer, "%.0f ms", micros / 1000.0);
} else {
sprintf(buffer, "%.1f s", micros / 1000000.0);
}
return std::string(buffer);
}
std::string formatSize(unsigned long bytes) {
char buffer[64];
if (bytes > 0x10000000000) {
sprintf(buffer, "%.1f TiB", (double) bytes / 0x10000000000);
} else if (bytes > 0x40000000) {
sprintf(buffer, "%.1f GiB", (double) bytes / 0x40000000);
} else if (bytes > 0x100000) {
sprintf(buffer, "%.1f MiB", (double) bytes / 0x100000);
} else if (bytes > 0x400) {
sprintf(buffer, "%.1f KiB", (double) bytes / 0x400);
} else {
sprintf(buffer, "%ld B", bytes);
}
return std::string(buffer);
}
string url_decode(string url) {
long pos = 0;
while ((pos = url.find('+', pos + 1)) != string::npos) {
url.replace(pos, 1, 1, ' ');
}
pos = 0;
while ((pos = url.find('%', pos + 1)) != string::npos) {
const char *num = url.substr(pos + 1, 2).c_str();
auto c = (char) strtol(num, nullptr, 16);
url.erase(pos, 3);
url.insert(pos, 1, c);
}
return url;
}
string url_encode(string url) {
char buff[4];
for (long pos = 0; pos < url.length(); pos++) {
auto c = (unsigned char) url[pos];
if (c < ' ' || c > '~' || c == ' ' || c == '#' || c == '?' || c == '&' || c == '=' || c == '\\' || c == '%') {
sprintf(buff, "%%%02X", c);
url.replace(pos, 1, buff);
}
}
return url;
}
string html_decode(string text) {
return text;
}
string html_encode(string text) {
return text;
}
string cli_encode(string text) {
char buff[5];
for (long pos = 0; pos < text.length(); pos++) {
auto c = (unsigned char) text[pos];
if (!((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z') || (c >= '0' && c <= '9') || c == ',' || c == '.' || c == '_' || c == '+' || c == ':' || c == '@' || c == '%' || c == '/' || c == '-')) {
sprintf(buff, "\\%.1s", &c);
text.replace(pos, 1, buff);
pos++;
}
}
return text;
}
string read_line(FILE* file) {
char *line;
size_t len = 0;
ssize_t read;
if ((read = getline(&line, &len, file)) < 0 || line == nullptr) {
return "";
}
string l = string(line);
if (l[l.length()-1] == '\n') {
l.erase(l.length()-1);
}
if (l[l.length()-1] == '\r') {
l.erase(l.length()-1);
}
return l;
}
#include "procopen.cpp"
#include "../CppNet/src/network/Address.cpp"
#include "../CppNet/src/network/Socket.cpp"
#include "URI.cpp"
#include "../CppNet/src/network/http/Http.cpp"
#include "../CppNet/src/network/http/HttpStatusCode.cpp"
#include "../CppNet/src/network/http/HttpHeader.cpp"
#include "../CppNet/src/network/http/HttpRequest.cpp"
#include "../CppNet/src/network/http/HttpResponse.cpp"
#include "../CppNet/src/network/http/HttpConnection.cpp"
string getWebRoot(string host) {
if (host == "www.necronda.net") {
host = "www.necronda.net-new";
}
string root = webroot + host;
if (fileExists(root)) {
return root;
} else {
return (string) webroot + "www.necronda.net-new";
}
}
#include "client.cpp"
long clientnum = 0;
int main() {
cout << "Necronda Server 3.0" << endl << "by Lorenz Stechauner" << endl << endl;
signal(SIGPIPE, SIG_IGN);
SSL_load_error_strings();
SSL_library_init();
ERR_load_crypto_strings();
OpenSSL_add_all_algorithms();
int ret = system("mkdir -p /var/necronda /etc/necronda /tmp/necronda; touch /var/necronda/ETags");
if (ret != 0) {
cout << "Unable to create server files" << endl;
exit(1);
}
list<unsigned short> ports = {80, 443};
list<Socket> servers = {};
auto it = ports.begin();
for (int i = 0; i < ports.size(); i++) {
unsigned short port = *it;
advance(it, 1);
Socket server = Socket();
servers.push_back(server);
try {
server.setReuseAddress(true);
server.setReceiveTimeout(0);
server.setSendTimeout(0);
} catch (char *msg) {
cout << "Unable to set socket option: " << msg << endl;
exit(2);
}
try {
server.bind(port);
} catch (char *msg) {
cout << "Unable to bind socket to port " << port << ": " << msg << endl;
exit(3);
}
try {
server.listen(256);
} catch (char *msg) {
cout << "Unable to listen on socket: " << msg << endl;
exit(4);
}
}
cout << "Ready for connections" << endl;
while (true) {
try {
Socket::select(servers, {});
for (Socket server : servers) {
try {
Socket *socket = server.accept();
clientnum++;
thread *t = new thread(client_handler, socket, clientnum, server.getSocketPort() == 4443);
} catch (char *msg) {
// Nothing
}
}
} catch (char *msg) {
cout << "Select: " << msg << endl;
break;
}
}
return 0;
}