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Fix decrypt context menu not appearing for .gpg files in Nemo #554

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Fix decrypt context menu not appearing for .gpg files in Nemo #554

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82 changes: 77 additions & 5 deletions nemo-seahorse/nemo-ext/nemo-seahorse.c
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Original file line number Diff line number Diff line change
Expand Up @@ -87,6 +87,34 @@ sign_callback (NemoMenuItem *item, gpointer user_data)
g_string_free (cmd, TRUE);
}

static void
decrypt_callback (NemoMenuItem *item, gpointer user_data)
{
GList *files, *scan;
char *uri, *t;
GString *cmd;

files = g_object_get_data (G_OBJECT (item), "files");
g_assert (files != NULL);

cmd = g_string_new ("nemo-seahorse-tool");
g_string_append_printf (cmd, " --decrypt");

for (scan = files; scan; scan = scan->next) {
uri = nemo_file_info_get_uri ((NemoFileInfo*)scan->data);
t = g_shell_quote (uri);
g_free (uri);

g_string_append_printf (cmd, " %s", t);
g_free (t);
}

g_print ("EXEC: %s\n", cmd->str);
g_spawn_command_line_async (cmd->str, NULL);

g_string_free (cmd, TRUE);
}

static char *pgp_encrypted_types[] = {
"application/pgp",
"application/pgp-encrypted",
Expand Down Expand Up @@ -122,6 +150,43 @@ is_all_mime_types (GList *files, char* types[])
return TRUE;
}

static gboolean
is_encrypted_file (NemoFileInfo *file)
{
char *name;
gboolean result = FALSE;

/* Check MIME type first */
if (is_mime_types (file, pgp_encrypted_types))
return TRUE;

/* Check file extension for .gpg and .asc files */
name = nemo_file_info_get_name (file);
if (name != NULL) {
int len = strlen (name);
if ((len > 4 && g_ascii_strcasecmp (name + len - 4, ".gpg") == 0) ||
(len > 4 && g_ascii_strcasecmp (name + len - 4, ".asc") == 0) ||
(len > 4 && g_ascii_strcasecmp (name + len - 4, ".sig") == 0)) {
result = TRUE;
}
}
g_free (name);

return result;
}

static gboolean
is_all_encrypted_files (GList *files)
{
while (files) {
if (!is_encrypted_file ((NemoFileInfo*)(files->data)))
return FALSE;
files = g_list_next (files);
}

return TRUE;
}

static GList*
seahorse_nemo_get_file_items (NemoMenuProvider *provider,
GtkWidget *window, GList *files)
Expand All @@ -147,15 +212,22 @@ seahorse_nemo_get_file_items (NemoMenuProvider *provider,
return NULL;
}

/* A single encrypted file, no menu items */
if (num == 1 &&
is_mime_types ((NemoFileInfo*)files->data, pgp_encrypted_types))
return NULL;

/* All 'no display' types, no menu items */
if (is_all_mime_types (files, no_display_types))
return NULL;

/* Encrypted files get decrypt menu */
if (is_all_encrypted_files (files)) {
item = nemo_menu_item_new ("NemoSh::decrypt", _("Decrypt..."),
ngettext ("Decrypt the selected file", "Decrypt the selected files", num), NULL);
g_object_set_data_full (G_OBJECT (item), "files", nemo_file_info_list_copy (files),
(GDestroyNotify) nemo_file_info_list_free);
g_signal_connect (item, "activate", G_CALLBACK (decrypt_callback), provider);
items = g_list_append (items, item);
return items;
}

/* Regular files get encrypt and sign menu */
item = nemo_menu_item_new ("NemoSh::crypt", _("Encrypt..."),
ngettext ("Encrypt (and optionally sign) the selected file", "Encrypt the selected files", num), NULL);
g_object_set_data_full (G_OBJECT (item), "files", nemo_file_info_list_copy (files),
Expand Down