src/privacy.h

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2021 the Claws Mail team and Hiroyuki Yamamoto
   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
  20 #ifndef PRIVACY_H
  21 #define PRIVACY_H
  22
  23 typedef struct _PrivacySystem PrivacySystem;
  24 typedef struct _PrivacyData PrivacyData;
  25
  26 typedef enum {
  27         SIGNATURE_UNCHECKED,
  28         SIGNATURE_OK,
  29         SIGNATURE_WARN,
  30         SIGNATURE_KEY_EXPIRED,
  31         SIGNATURE_INVALID,
  32         SIGNATURE_CHECK_FAILED,
  33         SIGNATURE_CHECK_TIMEOUT,
  34         SIGNATURE_CHECK_ERROR
  35 } SignatureStatus;
  36
  37 typedef struct _SignatureData {
  38         SignatureStatus status;
  39         gchar *info_short;
  40         gchar *info_full;
  41 } SignatureData;
  42
  43 typedef struct _SigCheckTaskResult {
  44         SignatureData *sig_data;
  45         struct _MimeInfo *newinfo;
  46 } SigCheckTaskResult;
  47
  48 #include <glib.h>
  49
  50 #include "procmime.h"
  51 #include "prefs_account.h"
  52
  53 void privacy_register_system                    (PrivacySystem *system);
  54 void privacy_unregister_system                  (PrivacySystem *system);
  55
  56 void privacy_free_privacydata                   (PrivacyData *);
  57 void privacy_free_signature_data                (gpointer);
  58 void privacy_free_sig_check_task_result (gpointer);
  59
  60 void privacy_msginfo_get_signed_state           (MsgInfo *, gchar **system);
  61 gboolean privacy_mimeinfo_is_signed             (MimeInfo *);
  62 gint privacy_mimeinfo_check_signature   (MimeInfo *mimeinfo,
  63         GCancellable *cancellable,
  64         GAsyncReadyCallback callback,
  65         gpointer user_data);
  66 SignatureStatus privacy_mimeinfo_get_sig_status (MimeInfo *);
  67 gchar *privacy_mimeinfo_get_sig_info            (MimeInfo *, gboolean);
  68
  69 gboolean privacy_mimeinfo_is_encrypted          (MimeInfo *);
  70 gint privacy_mimeinfo_decrypt                   (MimeInfo *);
  71
  72 GSList *privacy_get_system_ids                  ();
  73 const gchar *privacy_system_get_name            (const gchar *);
  74 gboolean privacy_system_can_sign                (const gchar *);
  75 gboolean privacy_system_can_encrypt             (const gchar *);
  76
  77 gboolean privacy_sign                           (const gchar  *system,
  78                                                  MimeInfo     *mimeinfo,
  79                                                  PrefsAccount *account,
  80                                                  const gchar *from_addr);
  81 gchar *privacy_get_encrypt_data                 (const gchar  *system,
  82                                                  GSList       *recp_names);
  83 const gchar *privacy_get_encrypt_warning        (const gchar  *system);
  84 gboolean privacy_encrypt                        (const gchar  *system,
  85                                                  MimeInfo     *mimeinfo,
  86                                                  const gchar  *encdata);
  87
  88 void privacy_set_error                          (const gchar *format, ...) G_GNUC_PRINTF(1, 2);
  89 void privacy_reset_error                                (void);
  90 gboolean privacy_peek_error                             (void);
  91 const gchar *privacy_get_error                  (void);
  92
  93 struct _PrivacySystem {
  94         /** Identifier for the PrivacySystem that can use in config files */
  95         gchar            *id;
  96         /** Human readable name for the PrivacySystem for the user interface */
  97         gchar            *name;
  98
  99         void             (*free_privacydata)    (PrivacyData *data);
 100
 101         gboolean         (*is_signed)           (MimeInfo *mimeinfo);
 102         gint             (*check_signature)     (MimeInfo *mimeinfo,
 103                                                  GCancellable *cancellable,
 104                                                  GAsyncReadyCallback callback,
 105                                                  gpointer user_data);
 106
 107         gboolean         (*is_encrypted)        (MimeInfo *mimeinfo);
 108         MimeInfo        *(*decrypt)             (MimeInfo *mimeinfo);
 109
 110         gboolean           can_sign;
 111         gboolean         (*sign)                (MimeInfo *mimeinfo,
 112                                                  PrefsAccount *account,
 113                                                  const gchar *from_addr);
 114
 115         gboolean           can_encrypt;
 116         gchar           *(*get_encrypt_data)    (GSList *recp_names);
 117         gboolean         (*encrypt)             (MimeInfo *mimeinfo,
 118                                                  const gchar *encrypt_data);
 119         const gchar     *(*get_encrypt_warning) (void);
 120         void             (*inhibit_encrypt_warning)     (gboolean inhibit);
 121         gboolean         (*auto_check_signatures)(void);
 122 };
 123
 124 struct _PrivacyData {
 125         PrivacySystem   *system;
 126 };
 127
 128 void privacy_inhibit_encrypt_warning            (const gchar *id,
 129                                                  gboolean inhibit);
 130 gboolean privacy_auto_check_signatures(MimeInfo *mimeinfo);
 131
 132 #endif /* PRIVACY_H */