functions.c

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#include "config.h"
#include <stdbool.h>
#include <stdio.h>
#include "private.h"
#include "mutt/lib.h"
#include "address/lib.h"
#include "config/lib.h"
#include "core/lib.h"
#include "gui/lib.h"
#include "functions.h"
#include "lib.h"
#include "key/lib.h"
#include "menu/lib.h"
#include "question/lib.h"
#include "autocrypt_data.h"
#include "module_data.h"
 
// clang-format off
static const struct MenuFuncOp OpAutocrypt[] = { /* map: autocrypt account */
  { "create-account",                OP_AUTOCRYPT_CREATE_ACCT },
  { "delete-account",                OP_AUTOCRYPT_DELETE_ACCT },
  { "exit",                          OP_EXIT },
  { "toggle-active",                 OP_AUTOCRYPT_TOGGLE_ACTIVE },
  { "toggle-prefer-encrypt",         OP_AUTOCRYPT_TOGGLE_PREFER },
  { NULL, 0 }
};

static const struct MenuOpSeq AutocryptDefaultBindings[] = { /* map: autocrypt account */
  { OP_AUTOCRYPT_CREATE_ACCT,              "c" },
  { OP_AUTOCRYPT_DELETE_ACCT,              "D" },
  { OP_AUTOCRYPT_TOGGLE_ACTIVE,            "a" },
  { OP_AUTOCRYPT_TOGGLE_PREFER,            "p" },
  { OP_EXIT,                               "q" },
  { 0, NULL }
};
// clang-format on

void autocrypt_init_keys(struct NeoMutt *n, struct SubMenu *sm_generic)
{
  struct AutocryptModuleData *mod_data = neomutt_get_module_data(n, MODULE_ID_AUTOCRYPT);
  ASSERT(mod_data);
 
  struct MenuDefinition *md = NULL;
  struct SubMenu *sm = NULL;
 
  sm = km_register_submenu(OpAutocrypt);
  md = km_register_menu(MENU_AUTOCRYPT, "autocrypt");
  km_menu_add_submenu(md, sm);
  km_menu_add_submenu(md, sm_generic);
  km_menu_add_bindings(md, AutocryptDefaultBindings);
 
  mod_data->menu_autocrypt = md;
}

static bool toggle_active(struct AccountEntry *entry)
{
  entry->account->enabled = !entry->account->enabled;
  if (mutt_autocrypt_db_account_update(entry->account) != 0)
  {
    entry->account->enabled = !entry->account->enabled;
    /* L10N: This error message is displayed if a database update of an
       account record fails for some odd reason.  */
    mutt_error(_("Error updating account record"));
    return false;
  }
 
  return true;
}

static bool toggle_prefer_encrypt(struct AccountEntry *entry)
{
  entry->account->prefer_encrypt = !entry->account->prefer_encrypt;
  if (mutt_autocrypt_db_account_update(entry->account))
  {
    entry->account->prefer_encrypt = !entry->account->prefer_encrypt;
    mutt_error(_("Error updating account record"));
    return false;
  }
 
  return true;
}
 
// -----------------------------------------------------------------------------

static int op_autocrypt_create_acct(struct AutocryptData *ad, const struct KeyEvent *event)
{
  if (mutt_autocrypt_account_init(false) == 0)
    populate_menu(ad->menu);
 
  return FR_SUCCESS;
}

static int op_autocrypt_delete_acct(struct AutocryptData *ad, const struct KeyEvent *event)
{
  if (!ad->menu->mdata)
    return FR_ERROR;
 
  const int index = menu_get_index(ad->menu);
  struct AccountEntry **pentry = ARRAY_GET(&ad->entries, index);
  if (!pentry)
    return 0;
 
  char msg[128] = { 0 };
  snprintf(msg, sizeof(msg),
           // L10N: Confirmation message when deleting an autocrypt account
           _("Really delete account \"%s\"?"), buf_string((*pentry)->addr->mailbox));
  if (query_yesorno(msg, MUTT_NO) != MUTT_YES)
    return FR_NO_ACTION;
 
  if (mutt_autocrypt_db_account_delete((*pentry)->account) == 0)
    populate_menu(ad->menu);
 
  return FR_SUCCESS;
}

static int op_autocrypt_toggle_active(struct AutocryptData *ad, const struct KeyEvent *event)
{
  if (!ad->menu->mdata)
    return FR_ERROR;
 
  const int index = menu_get_index(ad->menu);
  struct AccountEntry **pentry = ARRAY_GET(&ad->entries, index);
  if (!pentry)
    return 0;
 
  if (!toggle_active((*pentry)))
    return FR_ERROR;
 
  menu_queue_redraw(ad->menu, MENU_REDRAW_FULL);
  return FR_SUCCESS;
}

static int op_autocrypt_toggle_prefer(struct AutocryptData *ad, const struct KeyEvent *event)
{
  if (!ad->menu->mdata)
    return FR_ERROR;
 
  const int index = menu_get_index(ad->menu);
  struct AccountEntry **pentry = ARRAY_GET(&ad->entries, index);
  if (!pentry)
    return 0;
 
  if (!toggle_prefer_encrypt((*pentry)))
    return FR_ERROR;
 
  menu_queue_redraw(ad->menu, MENU_REDRAW_FULL);
  return FR_SUCCESS;
}

static int op_exit(struct AutocryptData *ad, const struct KeyEvent *event)
{
  ad->done = true;
  return FR_SUCCESS;
}
 
// -----------------------------------------------------------------------------

static const struct AutocryptFunction AutocryptFunctions[] = {
  // clang-format off
  { OP_AUTOCRYPT_CREATE_ACCT,   op_autocrypt_create_acct },
  { OP_AUTOCRYPT_DELETE_ACCT,   op_autocrypt_delete_acct },
  { OP_AUTOCRYPT_TOGGLE_ACTIVE, op_autocrypt_toggle_active },
  { OP_AUTOCRYPT_TOGGLE_PREFER, op_autocrypt_toggle_prefer },
  { OP_EXIT,                    op_exit },
  { 0, NULL },
  // clang-format on
};

int autocrypt_function_dispatcher(struct MuttWindow *win, const struct KeyEvent *event)
{
  // The Dispatcher may be called on any Window in the Dialog
  struct MuttWindow *dlg = dialog_find(win);
  if (!event || !dlg || !dlg->wdata)
  {
    dispatcher_flush_on_error(FR_ERROR);
    return FR_ERROR;
  }
 
  const int op = event->op;
  struct Menu *menu = dlg->wdata;
  struct AutocryptData *ad = menu->mdata;
  if (!ad)
  {
    dispatcher_flush_on_error(FR_ERROR);
    return FR_ERROR;
  }
 
  int rc = FR_UNKNOWN;
  for (size_t i = 0; AutocryptFunctions[i].op != OP_NULL; i++)
  {
    const struct AutocryptFunction *fn = &AutocryptFunctions[i];
    if (fn->op == op)
    {
      rc = fn->function(ad, event);
      break;
    }
  }
 
  if (rc == FR_UNKNOWN) // Not our function
    return rc;
 
  const char *result = dispatcher_get_retval_name(rc);
  mutt_debug(LL_DEBUG1, "Handled %s (%d) -> %s\n", opcodes_get_name(op), op, NONULL(result));
 
  dispatcher_flush_on_error(rc);
  return rc;
}