warn about privacy system 'none' and auto sign/encrypt being enabled in all applicabl...
[claws.git] / src / compose.c
index 1344b2b77fa7936ea5451be4001f1feb140f008c..1df165aa9084ef46c29c9dc47d7517c4c5de8768 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
- * Copyright (C) 1999-2016 Hiroyuki Yamamoto and the Claws Mail team
+ * Copyright (C) 1999-2020 the Claws Mail team and Hiroyuki Yamamoto
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
 #include "autofaces.h"
 #include "spell_entry.h"
 #include "headers.h"
-#include "claws_io.h"
+#include "file-utils.h"
 
 #ifdef USE_LDAP
 #include "password.h"
@@ -191,6 +191,13 @@ typedef enum {
 #define COMPOSE_DRAFT_TIMEOUT_UNSET -1
 #define COMPOSE_DRAFT_TIMEOUT_FORBIDDEN -2
 
+#define COMPOSE_PRIVACY_WARNING() {                                                    \
+       alertpanel_error(_("You have opted to sign and/or encrypt this "                \
+                          "message but have not selected a privacy system.\n\n"        \
+                          "Signing and encrypting have been disabled for this "        \
+                          "message."));                                                \
+}
+
 static GdkColor default_header_bgcolor = {
        (gulong)0,
        (gushort)0,
@@ -1010,6 +1017,10 @@ Compose *compose_generic_new(PrefsAccount *account, const gchar *mailto, FolderI
        compose = compose_create(account, item, COMPOSE_NEW, FALSE);
        compose_apply_folder_privacy_settings(compose, item);
 
+       if (privacy_system_can_sign(compose->privacy_system) == FALSE &&
+           (account->default_encrypt || account->default_sign))
+               COMPOSE_PRIVACY_WARNING();
+
        /* override from name if mailto asked for it */
        if (mailto_from) {
                gtk_entry_set_text(GTK_ENTRY(compose->from_name), mailto_from);
@@ -1201,7 +1212,8 @@ Compose *compose_generic_new(PrefsAccount *account, const gchar *mailto, FolderI
        if (item && item->prefs && item->prefs->save_copy_to_folder) {
                gchar *folderidentifier;
 
-               gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), prefs_common.savemsg);
+               gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
+               gtk_widget_set_sensitive(GTK_WIDGET(compose->savemsg_combo), TRUE);
                folderidentifier = folder_item_get_identifier(item);
                compose_set_save_to(compose, folderidentifier);
                g_free(folderidentifier);
@@ -1273,7 +1285,8 @@ static void compose_force_encryption(Compose *compose, PrefsAccount *account,
        cm_return_if_fail(compose != NULL);
        cm_return_if_fail(account != NULL);
 
-       if (override_pref == FALSE && account->default_encrypt_reply == FALSE)
+       if (privacy_system_can_encrypt(compose->privacy_system) == FALSE ||
+           (override_pref == FALSE && account->default_encrypt_reply == FALSE))
                return;
 
        if (account->default_privacy_system && strlen(account->default_privacy_system))
@@ -1310,6 +1323,8 @@ static void compose_force_encryption(Compose *compose, PrefsAccount *account,
 static void compose_force_signing(Compose *compose, PrefsAccount *account, const gchar *system)
 {
        const gchar *privacy = NULL;
+       if (privacy_system_can_sign(compose->privacy_system) == FALSE)
+               return;
 
        if (account->default_privacy_system && strlen(account->default_privacy_system))
                privacy = account->default_privacy_system;
@@ -1580,6 +1595,7 @@ static Compose *compose_generic_reply(MsgInfo *msginfo,
                gchar *folderidentifier;
 
                gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
+               gtk_widget_set_sensitive(GTK_WIDGET(compose->savemsg_combo), TRUE);
                folderidentifier = folder_item_get_identifier(msginfo->folder);
                compose_set_save_to(compose, folderidentifier);
                g_free(folderidentifier);
@@ -1679,6 +1695,12 @@ static Compose *compose_generic_reply(MsgInfo *msginfo,
        }
        g_free(s_system);
 
+       if (privacy_system_can_sign(compose->privacy_system) == FALSE &&
+           ((account->default_encrypt || account->default_sign) ||
+            (account->default_encrypt_reply && MSG_IS_ENCRYPTED(compose->replyinfo->flags)) ||
+            (account->default_sign_reply && MSG_IS_SIGNED(compose->replyinfo->flags))))
+               COMPOSE_PRIVACY_WARNING();
+
        SIGNAL_BLOCK(textbuf);
        
        if (account->auto_sig)
@@ -1882,6 +1904,10 @@ Compose *compose_forward(PrefsAccount *account, MsgInfo *msginfo,
 #endif
        SIGNAL_UNBLOCK(textbuf);
        
+       if (privacy_system_can_sign(compose->privacy_system) == FALSE &&
+           (account->default_encrypt || account->default_sign))
+               COMPOSE_PRIVACY_WARNING();
+
        cursor_pos = quote_fmt_get_cursor_pos();
        if (cursor_pos == -1)
                gtk_widget_grab_focus(compose->header_last->entry);
@@ -1896,6 +1922,7 @@ Compose *compose_forward(PrefsAccount *account, MsgInfo *msginfo,
                gchar *folderidentifier;
 
                gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
+               gtk_widget_set_sensitive(GTK_WIDGET(compose->savemsg_combo), TRUE);
                folderidentifier = folder_item_get_identifier(msginfo->folder);
                compose_set_save_to(compose, folderidentifier);
                g_free(folderidentifier);
@@ -1962,6 +1989,9 @@ static Compose *compose_forward_multiple(PrefsAccount *account, GSList *msginfo_
 
        compose = compose_create(account, ((MsgInfo *)msginfo_list->data)->folder, COMPOSE_FORWARD, FALSE);
        compose_apply_folder_privacy_settings(compose, ((MsgInfo *)msginfo_list->data)->folder);
+       if (privacy_system_can_sign(compose->privacy_system) == FALSE &&
+           (account->default_encrypt || account->default_sign))
+               COMPOSE_PRIVACY_WARNING();
 
        compose->updating = TRUE;
 
@@ -2372,6 +2402,9 @@ Compose *compose_reedit(MsgInfo *msginfo, gboolean batch)
                compose_activate_privacy_system(compose, account, FALSE);
        }
        compose_apply_folder_privacy_settings(compose, msginfo->folder);
+       if (privacy_system_can_sign(compose->privacy_system) == FALSE &&
+           (account->default_encrypt || account->default_sign))
+               COMPOSE_PRIVACY_WARNING();
 
        compose->targetinfo = procmsg_msginfo_copy(msginfo);
        compose->targetinfo->tags = g_slist_copy(msginfo->tags);
@@ -2386,6 +2419,7 @@ Compose *compose_reedit(MsgInfo *msginfo, gboolean batch)
                /* Set message save folder */
                if (!procheader_get_header_from_msginfo(msginfo, &queueheader_buf, "SCF:")) {
                        gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
+                       gtk_widget_set_sensitive(GTK_WIDGET(compose->savemsg_combo), TRUE);
                        compose_set_save_to(compose, &queueheader_buf[4]);
                        g_free(queueheader_buf);
                }
@@ -2498,7 +2532,6 @@ Compose *compose_redirect(PrefsAccount *account, MsgInfo *msginfo,
        cm_return_val_if_fail(account != NULL, NULL);
 
        compose = compose_create(account, msginfo->folder, COMPOSE_REDIRECT, batch);
-       compose_apply_folder_privacy_settings(compose, msginfo->folder);
 
        compose->updating = TRUE;
 
@@ -2526,7 +2559,8 @@ Compose *compose_redirect(PrefsAccount *account, MsgInfo *msginfo,
        if (item && item->prefs && item->prefs->save_copy_to_folder) {
                gchar *folderidentifier;
 
-               gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), prefs_common.savemsg);
+               gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
+               gtk_widget_set_sensitive(GTK_WIDGET(compose->savemsg_combo), TRUE);
                folderidentifier = folder_item_get_identifier(item);
                compose_set_save_to(compose, folderidentifier);
                g_free(folderidentifier);
@@ -2575,6 +2609,10 @@ Compose *compose_redirect(PrefsAccount *account, MsgInfo *msginfo,
                gtk_widget_set_sensitive(compose->toolbar->linewrap_current_btn, FALSE);
        if (compose->toolbar->linewrap_all_btn)
                gtk_widget_set_sensitive(compose->toolbar->linewrap_all_btn, FALSE);
+       if (compose->toolbar->privacy_sign_btn)
+               gtk_widget_set_sensitive(compose->toolbar->privacy_sign_btn, FALSE);
+       if (compose->toolbar->privacy_encrypt_btn)
+               gtk_widget_set_sensitive(compose->toolbar->privacy_encrypt_btn, FALSE);
 
        compose->modified = FALSE;
        compose_set_title(compose);
@@ -2871,7 +2909,7 @@ static gint compose_parse_header(Compose *compose, MsgInfo *msginfo)
 
        cm_return_val_if_fail(msginfo != NULL, -1);
 
-       if ((fp = procmsg_open_message(msginfo)) == NULL) return -1;
+       if ((fp = procmsg_open_message(msginfo, FALSE)) == NULL) return -1;
        procheader_get_header_fields(fp, hentry);
        claws_fclose(fp);
 
@@ -2996,7 +3034,7 @@ static gint compose_parse_manual_headers(Compose *compose, MsgInfo *msginfo, Hea
 
        cm_return_val_if_fail(msginfo != NULL, -1);
 
-       if ((fp = procmsg_open_message(msginfo)) == NULL) return -1;
+       if ((fp = procmsg_open_message(msginfo, FALSE)) == NULL) return -1;
        procheader_get_header_fields(fp, entries);
        claws_fclose(fp);
 
@@ -4233,10 +4271,16 @@ static gboolean compose_get_line_break_pos(GtkTextBuffer *buffer,
 
        for (; *p != '\0' && i < len; i++) {
                PangoLogAttr *attr = attrs + i;
-               gunichar wc;
+               gunichar wc = g_utf8_get_char(p);
                gint uri_len;
 
-               if (attr->is_line_break && can_break && was_white && !prev_dont_break)
+               /* attr->is_line_break will be false for some characters that
+                * we want to break a line before, like '/' or ':', so we
+                * also allow breaking on any non-wide character. The
+                * mentioned pango attribute is still useful to decide on
+                * line breaks when wide characters are involved. */
+               if ((!g_unichar_iswide(wc) || attr->is_line_break)
+                               && can_break && was_white && !prev_dont_break)
                        pos = i;
                
                was_white = attr->is_white;
@@ -4254,7 +4298,6 @@ static gboolean compose_get_line_break_pos(GtkTextBuffer *buffer,
                        continue;
                }
 
-               wc = g_utf8_get_char(p);
                if (g_unichar_iswide(wc)) {
                        col += 2;
                        if (prev_dont_break && can_break && attr->is_line_break)
@@ -4308,7 +4351,7 @@ static gboolean compose_join_next_line(Compose *compose,
        next_quote_str = compose_get_quote_str(buffer, &iter_, &quote_len);
 
        if ((quote_str || next_quote_str) &&
-           strcmp2(quote_str, next_quote_str) != 0) {
+           g_strcmp0(quote_str, next_quote_str) != 0) {
                g_free(next_quote_str);
                return FALSE;
        }
@@ -4951,16 +4994,18 @@ static void compose_select_account(Compose *compose, PrefsAccount *account,
 
        compose_set_title(compose);
 
-       if (account->default_sign && compose->mode != COMPOSE_REDIRECT)
+       compose_activate_privacy_system(compose, account, FALSE);
+
+       if (account->default_sign && privacy_system_can_sign(compose->privacy_system) &&
+           compose->mode != COMPOSE_REDIRECT)
                cm_toggle_menu_set_active_full(compose->ui_manager, "Menu/Options/Sign", TRUE);
        else
                cm_toggle_menu_set_active_full(compose->ui_manager, "Menu/Options/Sign", FALSE);
-       if (account->default_encrypt && compose->mode != COMPOSE_REDIRECT)
+       if (account->default_encrypt && privacy_system_can_encrypt(compose->privacy_system) &&
+           compose->mode != COMPOSE_REDIRECT)
                cm_toggle_menu_set_active_full(compose->ui_manager, "Menu/Options/Encrypt", TRUE);
        else
                cm_toggle_menu_set_active_full(compose->ui_manager, "Menu/Options/Encrypt", FALSE);
-                                      
-       compose_activate_privacy_system(compose, account, FALSE);
 
        if (!init && compose->mode != COMPOSE_REDIRECT) {
                undo_block(compose->undostruct);
@@ -5244,6 +5289,9 @@ static void _display_queue_error(ComposeQueueResult val)
                        alertpanel_error(_("Could not queue message for sending:\n\n"
                                                "Couldn't get recipient encryption key."));
                        break;
+               case COMPOSE_QUEUE_SIGNING_CANCELLED:
+                       debug_print("signing cancelled\n");
+                       break;
                default:
                        /* unhandled error */
                        debug_print("oops, unhandled compose_queue() return value %d\n",
@@ -5882,7 +5930,10 @@ static gint compose_write_to_file(Compose *compose, FILE *fp, gint action, gbool
                        compose->account, from_addr)) {
                        g_free(from_name);
                        g_free(from_addr);
-                       return COMPOSE_QUEUE_ERROR_SIGNING_FAILED;
+                       if (!privacy_peek_error())
+                               return COMPOSE_QUEUE_SIGNING_CANCELLED;
+                       else
+                               return COMPOSE_QUEUE_ERROR_SIGNING_FAILED;
        }
        g_free(from_name);
        g_free(from_addr);
@@ -5904,7 +5955,7 @@ static gint compose_write_to_file(Compose *compose, FILE *fp, gint action, gbool
                                        rewind(fp);
                                        content = file_read_stream_to_str(fp);
 
-                                       str_write_to_file(content, tmp_enc_file);
+                                       str_write_to_file(content, tmp_enc_file, TRUE);
                                        g_free(content);
 
                                        /* Now write the unencrypted body. */
@@ -6428,7 +6479,7 @@ static int compose_add_attachments(Compose *compose, MimeInfo *parent)
                }
                if (ainfo->name && mimepart->type != MIMETYPE_MESSAGE) {
                        if (mimepart->type == MIMETYPE_APPLICATION && 
-                          !strcmp2(mimepart->subtype, "octet-stream"))
+                          !g_strcmp0(mimepart->subtype, "octet-stream"))
                                g_hash_table_insert(mimepart->typeparameters,
                                                g_strdup("name"), g_strdup(ainfo->name));
                        g_hash_table_insert(mimepart->dispositionparameters,
@@ -6439,7 +6490,7 @@ static int compose_add_attachments(Compose *compose, MimeInfo *parent)
                if (mimepart->type == MIMETYPE_MESSAGE
                    || mimepart->type == MIMETYPE_MULTIPART)
                        ainfo->encoding = ENC_BINARY;
-               else if (compose->use_signing) {
+               else if (compose->use_signing || compose->fwdinfo != NULL) {
                        if (ainfo->encoding == ENC_7BIT)
                                ainfo->encoding = ENC_QUOTED_PRINTABLE;
                        else if (ainfo->encoding == ENC_8BIT)
@@ -7470,7 +7521,6 @@ static GtkWidget *compose_create_attach(Compose *compose)
        return attach_scrwin;
 }
 
-static void compose_savemsg_checkbtn_cb(GtkWidget *widget, Compose *compose);
 static void compose_savemsg_select_cb(GtkWidget *widget, Compose *compose);
 
 static GtkWidget *compose_create_others(Compose *compose)
@@ -7497,8 +7547,6 @@ static GtkWidget *compose_create_others(Compose *compose)
        if (account_get_special_folder(compose->account, F_OUTBOX)) {
                gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(savemsg_checkbtn), prefs_common.savemsg);
        }
-       g_signal_connect(G_OBJECT(savemsg_checkbtn), "toggled",
-                        G_CALLBACK(compose_savemsg_checkbtn_cb), compose);
 
        savemsg_combo = gtk_combo_box_text_new_with_entry();
        compose->savemsg_checkbtn = savemsg_checkbtn;
@@ -7513,6 +7561,11 @@ static GtkWidget *compose_create_others(Compose *compose)
        g_signal_connect_after(G_OBJECT(savemsg_combo), "grab_focus",
                         G_CALLBACK(compose_grab_focus_cb), compose);
        if (account_get_special_folder(compose->account, F_OUTBOX)) {
+               if (compose->account->set_sent_folder || prefs_common.savemsg)
+                       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(savemsg_checkbtn), TRUE);
+               else
+                       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(savemsg_checkbtn), FALSE);
+               gtk_widget_set_sensitive(GTK_WIDGET(savemsg_combo), TRUE);
                folderidentifier = folder_item_get_identifier(account_get_special_folder
                                  (compose->account, F_OUTBOX));
                compose_set_save_to(compose, folderidentifier);
@@ -7529,12 +7582,6 @@ static GtkWidget *compose_create_others(Compose *compose)
        return table;   
 }
 
-static void compose_savemsg_checkbtn_cb(GtkWidget *widget, Compose *compose) 
-{
-       gtk_widget_set_sensitive(GTK_WIDGET(compose->savemsg_combo),
-               gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn)));
-}
-
 static void compose_savemsg_select_cb(GtkWidget *widget, Compose *compose)
 {
        FolderItem *dest;
@@ -9160,6 +9207,7 @@ static void compose_destroy(Compose *compose)
        clipboard = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
        gtk_text_buffer_remove_selection_clipboard(buffer, clipboard);
 
+       message_search_close(compose);
        gtk_widget_destroy(compose->window);
        toolbar_destroy(compose->toolbar);
        g_free(compose->toolbar);
@@ -9427,6 +9475,7 @@ static void compose_attach_property_create(gboolean *cancelled)
        gtk_container_set_border_width(GTK_CONTAINER(window), 8);
        gtk_window_set_title(GTK_WINDOW(window), _("Properties"));
        gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER);
+       gtk_window_set_type_hint(GTK_WINDOW(window), GDK_WINDOW_TYPE_HINT_DIALOG);
        g_signal_connect(G_OBJECT(window), "delete_event",
                         G_CALLBACK(attach_property_delete_event),
                         cancelled);
@@ -9459,11 +9508,11 @@ static void compose_attach_property_create(gboolean *cancelled)
 
                tmp = g_strdup_printf("%s/%s", type->type, type->sub_type);
 
-               if (g_list_find_custom(strlist, tmp, (GCompareFunc)strcmp2))
+               if (g_list_find_custom(strlist, tmp, (GCompareFunc)g_strcmp0))
                        g_free(tmp);
                else
                        strlist = g_list_insert_sorted(strlist, (gpointer)tmp,
-                                       (GCompareFunc)strcmp2);
+                                       (GCompareFunc)g_strcmp0);
        }
 
        for (mime_type_list = strlist; mime_type_list != NULL; 
@@ -10115,14 +10164,19 @@ static void account_activated(GtkComboBox *optmenu, gpointer data)
        }
 
        /* Set message save folder */
-       if (account_get_special_folder(compose->account, F_OUTBOX)) {
-               gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), prefs_common.savemsg);
-       }
-       g_signal_connect(G_OBJECT(compose->savemsg_checkbtn), "toggled",
-                        G_CALLBACK(compose_savemsg_checkbtn_cb), compose);
-                          
        compose_set_save_to(compose, NULL);
-       if (account_get_special_folder(compose->account, F_OUTBOX)) {
+       if (compose->folder && compose->folder->prefs && compose->folder->prefs->save_copy_to_folder) {
+               gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
+               gtk_widget_set_sensitive(GTK_WIDGET(compose->savemsg_combo), TRUE);
+               folderidentifier = folder_item_get_identifier(compose->folder);
+               compose_set_save_to(compose, folderidentifier);
+               g_free(folderidentifier);
+       } else if (account_get_special_folder(compose->account, F_OUTBOX)) {
+               if (compose->account->set_sent_folder || prefs_common.savemsg)
+                       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), TRUE);
+               else
+                       gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(compose->savemsg_checkbtn), FALSE);
+               gtk_widget_set_sensitive(GTK_WIDGET(compose->savemsg_combo), TRUE);
                folderidentifier = folder_item_get_identifier(account_get_special_folder
                                  (compose->account, F_OUTBOX));
                compose_set_save_to(compose, folderidentifier);
@@ -10866,15 +10920,15 @@ static void entry_copy_clipboard(GtkWidget *entry)
 }
 
 static void entry_paste_clipboard(Compose *compose, GtkWidget *entry, 
-                                 gboolean wrap, GdkAtom clip, GtkTextIter *insert_place)
+                                 gboolean wrap, GdkAtom clip, GtkTextIter *insert_place)
 {
-       if (GTK_IS_TEXT_VIEW(entry)) {
+       if (GTK_IS_TEXT_VIEW(entry)) {
                GtkTextBuffer *buffer = gtk_text_view_get_buffer(GTK_TEXT_VIEW(entry));
                GtkTextMark *mark_start = gtk_text_buffer_get_insert(buffer);
                GtkTextIter start_iter, end_iter;
                gint start, end;
                gchar *contents = gtk_clipboard_wait_for_text(gtk_clipboard_get(clip));
-
                if (contents == NULL)
                        return;
        
@@ -10898,7 +10952,7 @@ static void entry_paste_clipboard(Compose *compose, GtkWidget *entry,
                        gtk_text_buffer_insert(buffer, insert_place, contents, strlen(contents));
                        if (prefs_common.primary_paste_unselects)
                                gtk_text_buffer_select_range(buffer, insert_place, insert_place);
-               }
+               }
                
                if (!wrap) {
                        /* paste unwrapped: mark the paste so it's not wrapped later */
@@ -10912,13 +10966,13 @@ static void entry_paste_clipboard(Compose *compose, GtkWidget *entry,
                        gtk_text_buffer_get_iter_at_mark(buffer, &start_iter, mark_start);
                        gtk_text_iter_backward_char(&start_iter);
                        compose_beautify_paragraph(compose, &start_iter, TRUE);
-               }
+               }
        } else if (GTK_IS_EDITABLE(entry))
                gtk_editable_paste_clipboard (GTK_EDITABLE(entry));
-
        compose->modified = TRUE;
 }
-
 static void entry_allsel(GtkWidget *entry)
 {
        if (GTK_IS_EDITABLE(entry))
@@ -11539,11 +11593,13 @@ static void compose_activate_privacy_system(Compose *compose, PrefsAccount *acco
 static void compose_apply_folder_privacy_settings(Compose *compose, FolderItem *folder_item)
 {
        if (folder_item != NULL) {
-               if (folder_item->prefs->always_sign != SIGN_OR_ENCRYPT_DEFAULT) {
+               if (folder_item->prefs->always_sign != SIGN_OR_ENCRYPT_DEFAULT &&
+                   privacy_system_can_sign(compose->privacy_system)) {
                        compose_use_signing(compose,
                                (folder_item->prefs->always_sign == SIGN_OR_ENCRYPT_ALWAYS) ? TRUE : FALSE);
                }
-               if (folder_item->prefs->always_encrypt != SIGN_OR_ENCRYPT_DEFAULT) {
+               if (folder_item->prefs->always_encrypt != SIGN_OR_ENCRYPT_DEFAULT &&
+                   privacy_system_can_encrypt(compose->privacy_system)) {
                        compose_use_encryption(compose,
                                (folder_item->prefs->always_encrypt == SIGN_OR_ENCRYPT_ALWAYS) ? TRUE : FALSE);
                }
@@ -11674,7 +11730,7 @@ static void compose_insert_drag_received_cb (GtkWidget          *widget,
                        /* Assume a list of no files, and data has ://, is a remote link */
                        gchar *tmpdata = g_strstrip(g_strdup(ddata));
                        gchar *tmpfile = get_tmp_file();
-                       str_write_to_file(tmpdata, tmpfile);
+                       str_write_to_file(tmpdata, tmpfile, TRUE);
                        g_free(tmpdata);  
                        compose_insert_file(compose, tmpfile);
                        claws_unlink(tmpfile);