src/curl/fetch.c

   1 /* libquvi
   2  * Copyright (C) 2012  Toni Gundogdu <legatvs@gmail.com>
   3  *
   4  * This file is part of libquvi <http://quvi.sourceforge.net/>.
   5  *
   6  * This library is free software: you can redistribute it and/or
   7  * modify it under the terms of the GNU Affero General Public
   8  * License as published by the Free Software Foundation, either
   9  * version 3 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU Affero General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Affero General
  17  * Public License along with this library.  If not, see
  18  * <http://www.gnu.org/licenses/>.
  19  */
  20
  21 #include "config.h"
  22
  23 #include <glib/gi18n-lib.h>
  24 #include <glib.h>
  25 #include <curl/curl.h>
  26
  27 #include "quvi.h"
  28 /* -- */
  29 #include "_quvi_s.h"
  30 #include "_quvi_media_s.h"
  31 #include "_quvi_net_s.h"
  32 /* -- */
  33 #include "curl/autoproxy.h"
  34 #include "curl/temp.h"
  35
  36 static void _set_opts(_quvi_net_t n, _c_temp_t t, CURL *c)
  37 {
  38   typedef curl_write_callback cwc;
  39
  40   curl_easy_setopt(c, CURLOPT_WRITEFUNCTION, (cwc) c_temp_wrcb);
  41   curl_easy_setopt(c, CURLOPT_URL, n->url.addr->str);
  42   curl_easy_setopt(c, CURLOPT_WRITEDATA, t);
  43   /* CURLOPT_ENCODING -> CURLOPT_ACCEPT_ENCODING 7.21.6+ */
  44   curl_easy_setopt(c, CURLOPT_ENCODING, "");
  45
  46   c_autoproxy(n->handle.quvi, n->url.addr->str);
  47 }
  48
  49 static const gchar *_EOK = N_("The server responded with the code %03ld");
  50
  51 static QuviError _fetch(_quvi_net_t n, CURL *c)
  52 {
  53   CURLcode curlcode;
  54   QuviError rc;
  55
  56   curlcode = curl_easy_perform(c);
  57   curl_easy_getinfo(c, CURLINFO_RESPONSE_CODE, &n->status.resp_code);
  58
  59   rc = QUVI_OK;
  60
  61   if (curlcode == CURLE_OK && n->status.resp_code == 200)
  62     ;
  63   else
  64     {
  65       if (curlcode == CURLE_OK)
  66         {
  67           g_string_printf(n->status.errmsg,
  68                           g_dgettext(GETTEXT_PACKAGE, _EOK),
  69                           n->status.resp_code);
  70         }
  71       else
  72         {
  73           const gchar *s = curl_easy_strerror(curlcode);
  74           const glong c = n->status.resp_code;
  75           const gint cc = curlcode;
  76 #define _ENO "%s (HTTP/%03ld, cURL=0x%03x)"
  77           g_string_printf(n->status.errmsg, _ENO, s, c, cc);
  78 #undef _ENO
  79         }
  80       rc = QUVI_ERROR_CALLBACK;
  81     }
  82   return (rc);
  83 }
  84
  85 QuviError c_fetch(_quvi_net_t n)
  86 {
  87   QuviError rc;
  88   _c_temp_t t;
  89   CURL *c;
  90
  91   c = n->handle.quvi->handle.curl;
  92   t = c_temp_new();
  93
  94   _set_opts(n, t, c);
  95   rc = _fetch(n, c);
  96
  97   if (rc == QUVI_OK)
  98     g_string_assign(n->fetch.content, t->p);
  99
 100   c_temp_free(t);
 101   t = NULL;
 102
 103   return (rc);
 104 }
 105
 106 /* vim: set ts=2 sw=2 tw=72 expandtab: */