src/customheader.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2022 Hiroyuki Yamamoto and the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #ifdef HAVE_CONFIG_H
  20 #  include "config.h"
  21 #include "claws-features.h"
  22 #endif
  23
  24 #include <glib.h>
  25 #include <string.h>
  26 #include <stdlib.h>
  27
  28 #include "customheader.h"
  29 #include "utils.h"
  30
  31
  32 gchar *custom_header_get_str(CustomHeader *ch)
  33 {
  34         return g_strdup_printf("%i:%s: %s",
  35                                ch->account_id, ch->name,
  36                                ch->value ? ch->value : "");
  37 }
  38
  39 CustomHeader *custom_header_read_str(const gchar *buf)
  40 {
  41         CustomHeader *ch;
  42         gchar *account_id_str;
  43         gint id;
  44         gchar *name;
  45         gchar *value;
  46         gchar *tmp;
  47
  48         Xstrdup_a(tmp, buf, return NULL);
  49
  50         account_id_str = tmp;
  51
  52         name = strchr(account_id_str, ':');
  53         if (!name)
  54                 return NULL;
  55         else {
  56                 gchar *endp;
  57
  58                 *name++ = '\0';
  59                 id = strtol(account_id_str, &endp, 10);
  60                 if (*endp != '\0') return NULL;
  61         }
  62
  63         value = strchr(name, ':');
  64         if (!value) return NULL;
  65
  66         *value++ = '\0';
  67
  68         g_strstrip(name);
  69         g_strstrip(value);
  70
  71         ch = g_new0(CustomHeader, 1);
  72         ch->account_id = id;
  73         ch->name = *name ? g_strdup(name) : NULL;
  74         ch->value = *value ? g_strdup(value) : NULL;
  75
  76         return ch;
  77 }
  78
  79 CustomHeader *custom_header_find(GSList *header_list, const gchar *header)
  80 {
  81         GSList *cur;
  82         CustomHeader *chdr;
  83
  84         for (cur = header_list; cur != NULL; cur = cur->next) {
  85                 chdr = (CustomHeader *)cur->data;
  86                 if (!g_utf8_collate(chdr->name, header))
  87                         return chdr;
  88         }
  89
  90         return NULL;
  91 }
  92
  93 void custom_header_free(CustomHeader *ch)
  94 {
  95         if (!ch) return;
  96
  97         g_free(ch->name);
  98         g_free(ch->value);
  99         g_free(ch);
 100 }
 101
 102 gboolean custom_header_is_allowed(const gchar *header)
 103 {
 104         cm_return_val_if_fail(header != NULL, FALSE);
 105
 106         if (g_ascii_strcasecmp(header, "Date")         != 0 &&
 107             g_ascii_strcasecmp(header, "From")         != 0 &&
 108             g_ascii_strcasecmp(header, "To")           != 0 &&
 109          /* g_ascii_strcasecmp(header, "Sender")       != 0 && */
 110             g_ascii_strcasecmp(header, "Message-ID")   != 0 &&
 111             g_ascii_strcasecmp(header, "In-Reply-To")  != 0 &&
 112             g_ascii_strcasecmp(header, "References")   != 0 &&
 113             g_ascii_strcasecmp(header, "MIME-Version") != 0 &&
 114             g_ascii_strcasecmp(header, "Content-Type") != 0 &&
 115             g_ascii_strcasecmp(header, "Content-Transfer-Encoding")
 116             != 0)
 117                 return TRUE;
 118
 119         return FALSE;
 120 }