ardour_http.h

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/*
 * Copyright (C) 2016-2018 Robin Gareus <robin@gareus.org>
 *
 * 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 2 of the License, or
 * (at your option) 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, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef __gtk_ardour_http_h__
#define __gtk_ardour_http_h__
 
#include <curl/curl.h>
#include <string>
#include <map>
 
namespace ArdourCurl {
 
class HttpGet {
public:
        HttpGet (bool persist = false, bool ssl = true);
        ~HttpGet ();
 
        struct MemStruct {
                MemStruct () : data (0), size (0) {}
                char*  data;
                size_t size;
        };
 
        struct HeaderInfo {
                std::map<std::string, std::string> h;
        };
 
        char* get (const char* url, bool with_error_logging = false);
 
        std::string get (const std::string& url, bool with_error_logging = false) {
                char *rv = get (url.c_str (), with_error_logging);
                return rv ? std::string (rv) : std::string ("");
        }
 
        char* data () const { return mem.data; }
        size_t data_size () const { return mem.size; }
 
        long int status () const { return _status; }
 
        std::map<std::string, std::string> header () const { return nfo.h; }
 
        char* escape (const char* s, int l) const {
                return curl_easy_escape (_curl, s, l);
        }
 
        char* unescape (const char* s, int l, int *o) const {
                return curl_easy_unescape (_curl, s, l, o);
        }
 
        /* this is only to be used for data returned by from
         * \ref escape() and \ref unescape() */
        void free (void *p) const {
                curl_free (p);
        }
 
        std::string error () const;
 
        CURL* curl () const { return _curl; }
 
        // called from fixup_bundle_environment
        static void setup_certificate_paths ();
 
        static void ca_setopt (CURL*);
 
private:
        CURL* _curl;
        bool  persist;
 
        long int _status;
        long int _result;
 
        char error_buffer[CURL_ERROR_SIZE];
 
        struct MemStruct mem;
        struct HeaderInfo nfo;
 
        static const char* ca_path;
        static const char* ca_info;
};
 
char* http_get (const char* url, int* status, bool with_error_logging);
std::string http_get (const std::string& url, bool with_error_logging);
 
} // namespace
 
#endif /* __gtk_ardour_http_h__ */