{

bool operator() (const std::pair<int, int>& left,

const std::pair<int, int>& right

) const

{

return left.second < right.second;

}

{

#if !defined(_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)

struct sigaction oldsig;

struct sigaction sig;

sig.sa_handler = &catcher;

sigemptyset (&sig.sa_mask);

#ifdef SA_INTERRUPT

sig.sa_flags = SA_INTERRUPT; /* SunOS */

#else //SA_INTERRUPT

sig.sa_flags = SA_RESTART;

#endif //SA_INTERRUPTT

if (0 != sigaction (SIGPIPE, &sig, &oldsig))

fprintf (stderr,

gettext("Failed to install SIGPIPE handler: %s\n"),

strerror (errno)

);

#endif

port(params._port),

start_method(params._start_method),

max_threads(params._max_threads),

max_connections(params._max_connections),

memory_limit(params._memory_limit),

content_size_limit(params._content_size_limit),

connection_timeout(params._connection_timeout),

per_IP_connection_limit(params._per_IP_connection_limit),

log_access(params._log_access),

log_error(params._log_error),

validator(params._validator),

unescaper(params._unescaper),

bind_address(params._bind_address),

bind_socket(params._bind_socket),

max_thread_stack_size(params._max_thread_stack_size),

use_ssl(params._use_ssl),

use_ipv6(params._use_ipv6),

debug(params._debug),

pedantic(params._pedantic),

https_mem_key(params._https_mem_key),

https_mem_cert(params._https_mem_cert),

https_mem_trust(params._https_mem_trust),

https_priorities(params._https_priorities),

cred_type(params._cred_type),

digest_auth_random(params._digest_auth_random),

nonce_nc_size(params._nonce_nc_size),

running(false),

default_policy(params._default_policy),

basic_auth_enabled(params._basic_auth_enabled),

digest_auth_enabled(params._digest_auth_enabled),

regex_checking(params._regex_checking),

ban_system_enabled(params._ban_system_enabled),

post_process_enabled(params._post_process_enabled),

deferred_enabled(params._deferred_enabled),

single_resource(params._single_resource),

tcp_nodelay(params._tcp_nodelay),

not_found_resource(params._not_found_resource),

method_not_allowed_resource(params._method_not_allowed_resource),

internal_error_resource(params._internal_error_resource)

{

ignore_sigpipe();

pthread_mutex_init(&mutexwait, NULL);

pthread_cond_init(&mutexcond, NULL);

void *cls,

struct MHD_Connection *connection,

void **con_cls,

enum MHD_RequestTerminationCode toe

)

{

details::modded_request* mr = static_cast<details::modded_request*>(*con_cls);

if (mr == 0x0) return;

delete mr;

mr = 0x0;

{

if (single_resource && ((resource != "" && resource != "/") || !family))

{

throw std::invalid_argument("The resource should be '' or '/' and be marked as family when using a single_resource server");

}

details::http_endpoint idx(resource, family, true, regex_checking);

pair<map<details::http_endpoint, http_resource*>::iterator, bool> result = registered_resources.insert(

map<details::http_endpoint, http_resource*>::value_type(idx, hrm)

);

if(result.second)

{

registered_resources_str.insert(

pair<string, http_resource*>(idx.get_url_complete(), result.first->second)

);

}

return result.second;

{

struct {

MHD_OptionItem operator ()(

enum MHD_OPTION opt,

intptr_t val,

void *ptr = 0

)

{

MHD_OptionItem x = {opt, val, ptr};

return x;

}

} gen;

vector<struct MHD_OptionItem> iov;

iov.push_back(gen(MHD_OPTION_NOTIFY_COMPLETED,

(intptr_t) &request_completed,

NULL

));

iov.push_back(gen(MHD_OPTION_URI_LOG_CALLBACK, (intptr_t) &uri_log, this));

iov.push_back(gen(MHD_OPTION_EXTERNAL_LOGGER, (intptr_t) &error_log, this));

iov.push_back(gen(MHD_OPTION_UNESCAPE_CALLBACK,

(intptr_t) &unescaper_func,

this)

);

iov.push_back(gen(MHD_OPTION_CONNECTION_TIMEOUT, connection_timeout));

if(bind_socket != 0)

iov.push_back(gen(MHD_OPTION_LISTEN_SOCKET, bind_socket));

if(start_method == http_utils::THREAD_PER_CONNECTION && (max_threads != 0 || max_thread_stack_size != 0))

{

throw std::invalid_argument("Cannot specify maximum number of threads when using a thread per connection");

}

if(max_threads != 0)

iov.push_back(gen(MHD_OPTION_THREAD_POOL_SIZE, max_threads));

if(max_connections != 0)

iov.push_back(gen(MHD_OPTION_CONNECTION_LIMIT, max_connections));

if(memory_limit != 0)

iov.push_back(gen(MHD_OPTION_CONNECTION_MEMORY_LIMIT, memory_limit));

if(per_IP_connection_limit != 0)

iov.push_back(gen(MHD_OPTION_PER_IP_CONNECTION_LIMIT,

per_IP_connection_limit)

);

if(max_thread_stack_size != 0)

iov.push_back(gen(MHD_OPTION_THREAD_STACK_SIZE, max_thread_stack_size));

if(nonce_nc_size != 0)

iov.push_back(gen(MHD_OPTION_NONCE_NC_SIZE, nonce_nc_size));

if(use_ssl)

iov.push_back(gen(MHD_OPTION_HTTPS_MEM_KEY,

0,

(void*)https_mem_key.c_str())

);

if(use_ssl)

iov.push_back(gen(MHD_OPTION_HTTPS_MEM_CERT,

0,

(void*)https_mem_cert.c_str())

);

if(https_mem_trust != "" && use_ssl)

iov.push_back(gen(MHD_OPTION_HTTPS_MEM_TRUST,

0,

(void*)https_mem_trust.c_str())

);

if(https_priorities != "" && use_ssl)

iov.push_back(gen(MHD_OPTION_HTTPS_PRIORITIES,

0,

(void*)https_priorities.c_str())

);

if(digest_auth_random != "")

iov.push_back(gen(MHD_OPTION_DIGEST_AUTH_RANDOM,

digest_auth_random.size(),

(char*)digest_auth_random.c_str())

);

#ifdef HAVE_GNUTLS

if(cred_type != http_utils::NONE)

iov.push_back(gen(MHD_OPTION_HTTPS_CRED_TYPE, cred_type));

#endif //HAVE_GNUTLS

iov.push_back(gen(MHD_OPTION_END, 0, NULL ));

int start_conf = start_method;

if(use_ssl)

start_conf |= MHD_USE_SSL;

if(use_ipv6)

start_conf |= MHD_USE_IPv6;

if(debug)

start_conf |= MHD_USE_DEBUG;

if(pedantic)

start_conf |= MHD_USE_PEDANTIC_CHECKS;

if(deferred_enabled)

start_conf |= MHD_USE_SUSPEND_RESUME;

#ifdef USE_FASTOPEN

start_conf |= MHD_USE_TCP_FASTOPEN;

#endif

daemon = NULL;

if(bind_address == 0x0) {

daemon = MHD_start_daemon

(

start_conf, port, &policy_callback, this,

&answer_to_connection, this, MHD_OPTION_ARRAY,

&iov[0], MHD_OPTION_END

);

} else {

daemon = MHD_start_daemon

(

start_conf, 1, &policy_callback, this,

&answer_to_connection, this, MHD_OPTION_ARRAY,

&iov[0], MHD_OPTION_SOCK_ADDR, bind_address, MHD_OPTION_END

);

}

if(daemon == NULL)

{

throw std::invalid_argument("Unable to connect daemon to port: " + std::to_string(port));

}

bool value_onclose = false;

running = true;

if(blocking)

{

pthread_mutex_lock(&mutexwait);

while(blocking && running)

pthread_cond_wait(&mutexcond, &mutexwait);

pthread_mutex_unlock(&mutexwait);

value_onclose = true;

}

return value_onclose;

{

if(!running) return false;

pthread_mutex_lock(&mutexwait);

running = false;

pthread_cond_signal(&mutexcond);

pthread_mutex_unlock(&mutexwait);

MHD_stop_daemon(daemon);

shutdown(bind_socket, 2);

return true;

{

details::http_endpoint he(resource);

registered_resources.erase(he);

registered_resources.erase(he.get_url_complete());

registered_resources_str.erase(he.get_url_complete());

{

ip_representation t_ip(ip);

set<ip_representation>::iterator it = bans.find(t_ip);

if(it != bans.end() && (t_ip.weight() < (*it).weight()))

{

bans.erase(it);

bans.insert(t_ip);

}

else

bans.insert(t_ip);

{

ip_representation t_ip(ip);

set<ip_representation>::iterator it = allowances.find(t_ip);

if(it != allowances.end() && (t_ip.weight() < (*it).weight()))

{

allowances.erase(it);

allowances.insert(t_ip);

}

else

allowances.insert(t_ip);

{

if(!(static_cast<webserver*>(cls))->ban_system_enabled) return MHD_YES;

if((((static_cast<webserver*>(cls))->default_policy == http_utils::ACCEPT) &&

((static_cast<webserver*>(cls))->bans.count(addr)) &&

(!(static_cast<webserver*>(cls))->allowances.count(addr))

) ||

(((static_cast<webserver*>(cls))->default_policy == http_utils::REJECT)

&& ((!(static_cast<webserver*>(cls))->allowances.count(addr)) ||

((static_cast<webserver*>(cls))->bans.count(addr)))

))

{

return MHD_NO;

}

return MHD_YES;

{

webserver* dws = static_cast<webserver*>(cls);

if(dws->log_error != 0x0) dws->log_error(fmt);

{

// THIS IS USED TO AVOID AN UNESCAPING OF URL BEFORE THE ANSWER.

// IT IS DUE TO A BOGUS ON libmicrohttpd (V0.99) THAT PRODUCING A

// STRING CONTAINING '\0' AFTER AN UNESCAPING, IS UNABLE TO PARSE

// ARGS WITH get_connection_values FUNC OR lookup FUNC.

return std::string(s).size();

const char *key,

const char *filename,

const char *content_type,

const char *transfer_encoding,

const char *data, uint64_t off, size_t size

)

{

struct details::modded_request* mr = (struct details::modded_request*) cls;

mr->dhr->set_arg(key, mr->dhr->get_arg(key) + std::string(data, size));

return MHD_YES;

{

if(not_found_resource != 0x0)

{

return not_found_resource(*mr->dhr);

}

else

{

return std::shared_ptr<http_response>(new string_response(NOT_FOUND_ERROR, http_utils::http_not_found));

}

{

if(method_not_allowed_resource != 0x0)

{

return method_not_allowed_resource(*mr->dhr);

}

else

{

return std::shared_ptr<http_response>(new string_response(METHOD_ERROR, http_utils::http_method_not_allowed));

}

{

if(internal_error_resource != 0x0 && !force_our)

{

return internal_error_resource(*mr->dhr);

}

else

{

return std::shared_ptr<http_response>(new string_response(GENERIC_ERROR, http_utils::http_internal_server_error, "text/plain"));

}

MHD_Connection* connection,

struct details::modded_request* mr

)

{

mr->second = true;

mr->dhr = new http_request(connection, unescaper);

if (!mr->has_body)

{

return MHD_YES;

}

mr->dhr->set_content_size_limit(content_size_limit);

const char *encoding = MHD_lookup_connection_value (

connection,

MHD_HEADER_KIND,

http_utils::http_header_content_type.c_str()

);

if ( post_process_enabled &&

(

0x0 != encoding &&

((0 == strncasecmp (

http_utils::http_post_encoding_form_urlencoded.c_str(),

encoding,

http_utils::http_post_encoding_form_urlencoded.size()

)

)

|| (0 == strncasecmp (

http_utils::http_post_encoding_multipart_formdata.c_str(),

encoding,

http_utils::http_post_encoding_multipart_formdata.size()

)))

)

)

{

const size_t post_memory_limit (32*1024); // Same as #MHD_POOL_SIZE_DEFAULT

mr->pp = MHD_create_post_processor (

connection,

post_memory_limit,

&post_iterator,

mr

);

}

else

{

mr->pp = NULL;

}

return MHD_YES;

MHD_Connection* connection, const char* method,

const char* version, const char* upload_data,

size_t* upload_data_size, struct details::modded_request* mr

)

{

if (0 == *upload_data_size) return complete_request(connection, mr, version, method);

if (mr->has_body)

{

#ifdef DEBUG

cout << "Writing content: " << upload_data << endl;

#endif //DEBUG

mr->dhr->grow_content(upload_data, *upload_data_size);

if (mr->pp != NULL) MHD_post_process(mr->pp, upload_data, *upload_data_size);

}

*upload_data_size = 0;

return MHD_YES;

MHD_Connection* connection,

struct details::modded_request* mr,

const char* method

)

{

int to_ret = MHD_NO;

map<string, http_resource*>::iterator fe;

http_resource* hrm;

bool found = false;

struct MHD_Response* raw_response;

if(!single_resource)

{

const char* st_url = mr->standardized_url->c_str();

fe = registered_resources_str.find(st_url);

if(fe == registered_resources_str.end())

{

if(regex_checking)

{

map<details::http_endpoint, http_resource*>::iterator found_endpoint;

details::http_endpoint endpoint(st_url, false, false, regex_checking);

map<details::http_endpoint, http_resource*>::iterator it;

size_t len = 0;

size_t tot_len = 0;

for(it=registered_resources.begin(); it!=registered_resources.end(); ++it)

{

size_t endpoint_pieces_len = (*it).first.get_url_pieces().size();

size_t endpoint_tot_len = (*it).first.get_url_complete().size();

if(!found || endpoint_pieces_len > len || (endpoint_pieces_len == len && endpoint_tot_len > tot_len))

{

if((*it).first.match(endpoint))

{

found = true;

len = endpoint_pieces_len;

tot_len = endpoint_tot_len;

found_endpoint = it;

}

}

}

if(found)

{

vector<string> url_pars = found_endpoint->first.get_url_pars();

vector<string> url_pieces = endpoint.get_url_pieces();

vector<int> chunks = found_endpoint->first.get_chunk_positions();

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

{

mr->dhr->set_arg(url_pars[i], url_pieces[chunks[i]]);

}

hrm = found_endpoint->second;

}

}

}

else

{

hrm = fe->second;

found = true;

}

}

else

{

hrm = registered_resources.begin()->second;

found = true;

}

if(found)

{

try

{

if(hrm->is_allowed(method))

{

mr->dhrs = ((hrm)->*(mr->callback))(*mr->dhr); //copy in memory (move in case)

if (mr->dhrs->get_response_code() == -1)

{

mr->dhrs = internal_error_page(mr);

}

}

else

{

mr->dhrs = method_not_allowed_page(mr);

}

}

catch(const std::exception& e)

{

mr->dhrs = internal_error_page(mr);

}

catch(...)

{

mr->dhrs = internal_error_page(mr);

}

}

else

{

mr->dhrs = not_found_page(mr);

}

try

{

try

{

raw_response = mr->dhrs->get_raw_response();

}

catch(const std::invalid_argument& iae)

{

mr->dhrs = not_found_page(mr);

raw_response = mr->dhrs->get_raw_response();

}

catch(const std::exception& e)

{

mr->dhrs = internal_error_page(mr);

raw_response = mr->dhrs->get_raw_response();

}

catch(...)

{

mr->dhrs = internal_error_page(mr);

raw_response = mr->dhrs->get_raw_response();

}

}

catch(...) // catches errors in internal error page

{

mr->dhrs = internal_error_page(mr, true);

raw_response = mr->dhrs->get_raw_response();

}

mr->dhrs->decorate_response(raw_response);

to_ret = mr->dhrs->enqueue_response(connection, raw_response);

MHD_destroy_response(raw_response);

return to_ret;

MHD_Connection* connection,

struct details::modded_request* mr,

const char* version,

const char* method

)

{

mr->ws = this;

mr->dhr->set_path(mr->standardized_url->c_str());

mr->dhr->set_method(method);

mr->dhr->set_version(version);

return finalize_answer(connection, mr, method);

const char* url, const char* method,

const char* version, const char* upload_data,

size_t* upload_data_size, void** con_cls

)

{

struct details::modded_request* mr =

static_cast<struct details::modded_request*>(*con_cls);

if(mr->second != false)

{

return static_cast<webserver*>(cls)->

requests_answer_second_step(

connection,

method,

version,

upload_data,

upload_data_size,

mr

);

}

const MHD_ConnectionInfo * conninfo = MHD_get_connection_info(

connection,

MHD_CONNECTION_INFO_CONNECTION_FD

);

if (static_cast<webserver*>(cls)->tcp_nodelay)

{

int yes = 1;

setsockopt(conninfo->connect_fd, IPPROTO_TCP, TCP_NODELAY, (char *) &yes, sizeof(int));

}

std::string t_url = url;

base_unescaper(t_url, static_cast<webserver*>(cls)->unescaper);

mr->standardized_url = new string(http_utils::standardize_url(t_url));

mr->has_body = false;

access_log(

static_cast<webserver*>(cls),

*(mr->complete_uri) + " METHOD: " + method

);

if( 0 == strcasecmp(method, http_utils::http_method_get.c_str()))

{

mr->callback = &http_resource::render_GET;

}

else if (0 == strcmp(method, http_utils::http_method_post.c_str()))

{

mr->callback = &http_resource::render_POST;

mr->has_body = true;

}

else if (0 == strcasecmp(method, http_utils::http_method_put.c_str()))

{

mr->callback = &http_resource::render_PUT;

mr->has_body = true;

}

else if (0 == strcasecmp(method,http_utils::http_method_delete.c_str()))

{

mr->callback = &http_resource::render_DELETE;

mr->has_body = true;

}

else if (0 == strcasecmp(method, http_utils::http_method_patch.c_str()))

{

mr->callback = &http_resource::render_PATCH;

mr->has_body = true;

}

else if (0 == strcasecmp(method, http_utils::http_method_head.c_str()))

{

mr->callback = &http_resource::render_HEAD;

}

else if (0 ==strcasecmp(method,http_utils::http_method_connect.c_str()))

{

mr->callback = &http_resource::render_CONNECT;

}

else if (0 == strcasecmp(method, http_utils::http_method_trace.c_str()))

{

mr->callback = &http_resource::render_TRACE;

}

else if (0 ==strcasecmp(method,http_utils::http_method_options.c_str()))

{

mr->callback = &http_resource::render_OPTIONS;

}

return static_cast<webserver*>(cls)->requests_answer_first_step(connection, mr);