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/*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with OpenSSL (or a modified version of that library), containing parts
* covered by the terms of OpenSSL License and SSLeay License, the licensors
* of this Program grant you additional permission to convey the resulting work.
*
*/
#ifndef CONF_NO_HTTPD
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <string>
#include "msgstruct.h"
#include "httpd.h"
#include "console.h"
#include "executor.h"
#include "jconf.h"
#include "webdesign.h"
#include <microhttpd.h>
#ifdef _WIN32
#define strcasecmp _stricmp
#endif // _WIN32
httpd* httpd::oInst = nullptr;
httpd::httpd()
{
}
int httpd::req_handler(void * cls,
MHD_Connection* connection,
const char* url,
const char* method,
const char* version,
const char* upload_data,
size_t* upload_data_size,
void ** ptr)
{
struct MHD_Response * rsp;
if (strcmp(method, "GET") != 0)
return MHD_NO;
*ptr = nullptr;
std::string str;
if(strcasecmp(url, "/style.css") == 0)
{
const char* req_etag = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "If-None-Match");
if(req_etag != NULL && strcmp(req_etag, sHtmlCssEtag) == 0)
{ //Cache hit
rsp = MHD_create_response_from_buffer(0, nullptr, MHD_RESPMEM_PERSISTENT);
int ret = MHD_queue_response(connection, MHD_HTTP_NOT_MODIFIED, rsp);
MHD_destroy_response(rsp);
return ret;
}
rsp = MHD_create_response_from_buffer(sHtmlCssSize, (void*)sHtmlCssFile, MHD_RESPMEM_PERSISTENT);
MHD_add_response_header(rsp, "ETag", sHtmlCssEtag);
MHD_add_response_header(rsp, "Content-Type", "text/css; charset=utf-8");
}
else if(strcasecmp(url, "/api.json") == 0)
{
executor::inst()->get_http_report(EV_HTML_JSON, str);
rsp = MHD_create_response_from_buffer(str.size(), (void*)str.c_str(), MHD_RESPMEM_MUST_COPY);
MHD_add_response_header(rsp, "Content-Type", "application/json; charset=utf-8");
}
else if(strcasecmp(url, "/h") == 0 || strcasecmp(url, "/hashrate") == 0)
{
executor::inst()->get_http_report(EV_HTML_HASHRATE, str);
rsp = MHD_create_response_from_buffer(str.size(), (void*)str.c_str(), MHD_RESPMEM_MUST_COPY);
MHD_add_response_header(rsp, "Content-Type", "text/html; charset=utf-8");
}
else if(strcasecmp(url, "/c") == 0 || strcasecmp(url, "/connection") == 0)
{
executor::inst()->get_http_report(EV_HTML_CONNSTAT, str);
rsp = MHD_create_response_from_buffer(str.size(), (void*)str.c_str(), MHD_RESPMEM_MUST_COPY);
MHD_add_response_header(rsp, "Content-Type", "text/html; charset=utf-8");
}
else if(strcasecmp(url, "/r") == 0 || strcasecmp(url, "/results") == 0)
{
executor::inst()->get_http_report(EV_HTML_RESULTS, str);
rsp = MHD_create_response_from_buffer(str.size(), (void*)str.c_str(), MHD_RESPMEM_MUST_COPY);
MHD_add_response_header(rsp, "Content-Type", "text/html; charset=utf-8");
}
else
{
//Do a 302 redirect to /h
char loc_path[256];
const char* host_val = MHD_lookup_connection_value(connection, MHD_HEADER_KIND, "Host");
if(host_val != nullptr)
snprintf(loc_path, sizeof(loc_path), "http://%s/h", host_val);
else
snprintf(loc_path, sizeof(loc_path), "/h");
rsp = MHD_create_response_from_buffer(0, nullptr, MHD_RESPMEM_PERSISTENT);
int ret = MHD_queue_response(connection, MHD_HTTP_TEMPORARY_REDIRECT, rsp);
MHD_add_response_header(rsp, "Location", loc_path);
MHD_destroy_response(rsp);
return ret;
}
int ret = MHD_queue_response(connection, MHD_HTTP_OK, rsp);
MHD_destroy_response(rsp);
return ret;
}
bool httpd::start_daemon()
{
d = MHD_start_daemon(MHD_USE_THREAD_PER_CONNECTION,
jconf::inst()->GetHttpdPort(), NULL, NULL,
&httpd::req_handler,
NULL, MHD_OPTION_END);
if(d == nullptr)
{
printer::inst()->print_str("HTTP Daemon failed to start.");
return false;
}
return true;
}
#endif
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