[evolution] eds-I#39 - Add Web Key Directory (WKD) support for OpenPGP

[Milan Crha <mcrha src gnome org>]

commit 8be87f0a743e1d92217258ecebba67c818bd8379
Author: Milan Crha <mcrha redhat com>
Date:   Tue Jun 28 13:33:10 2022 +0200

    eds-I#39 - Add Web Key Directory (WKD) support for OpenPGP
    
    Add an option in the Securities tab of the mail account Properties.
    
    Related to https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/39

 src/composer/e-msg-composer.c          |  3 +++
 src/mail/e-mail-config-security-page.c | 12 ++++++++++++
 2 files changed, 15 insertions(+)
---
diff --git a/src/composer/e-msg-composer.c b/src/composer/e-msg-composer.c
index b8ba281d1e..589dc1ffd7 100644
--- a/src/composer/e-msg-composer.c
+++ b/src/composer/e-msg-composer.c
@@ -913,6 +913,7 @@ composer_build_message_pgp (AsyncContext *context,
        gboolean always_trust;
        gboolean encrypt_to_self;
        gboolean prefer_inline;
+       gboolean locate_keys;
 
        /* Return silently if we're not signing or encrypting with PGP. */
        if (!context->pgp_sign && !context->pgp_encrypt)
@@ -924,6 +925,7 @@ composer_build_message_pgp (AsyncContext *context,
        always_trust = e_source_openpgp_get_always_trust (extension);
        encrypt_to_self = context->is_draft || e_source_openpgp_get_encrypt_to_self (extension);
        prefer_inline = e_source_openpgp_get_prefer_inline (extension);
+       locate_keys = e_source_openpgp_get_locate_keys (extension);
        pgp_key_id = e_source_openpgp_get_key_id (extension);
        signing_algorithm = e_source_openpgp_get_signing_algorithm (extension);
 
@@ -988,6 +990,7 @@ composer_build_message_pgp (AsyncContext *context,
                cipher = camel_gpg_context_new (context->session);
                camel_gpg_context_set_always_trust (CAMEL_GPG_CONTEXT (cipher), always_trust);
                camel_gpg_context_set_prefer_inline (CAMEL_GPG_CONTEXT (cipher), prefer_inline);
+               camel_gpg_context_set_locate_keys (CAMEL_GPG_CONTEXT (cipher), locate_keys);
 
                handler_id = g_signal_connect (context->session, "get-recipient-certificate",
                        G_CALLBACK (composer_get_recipient_certificate_cb), context);
diff --git a/src/mail/e-mail-config-security-page.c b/src/mail/e-mail-config-security-page.c
index 0db9cccc4b..9bef665c70 100644
--- a/src/mail/e-mail-config-security-page.c
+++ b/src/mail/e-mail-config-security-page.c
@@ -625,6 +625,18 @@ mail_config_security_page_constructed (GObject *object)
                G_BINDING_SYNC_CREATE |
                G_BINDING_BIDIRECTIONAL);
 
+       text = _("_Lookup keys for encryption in Web Key Directory (WKD)");
+       widget = gtk_check_button_new_with_mnemonic (text);
+       gtk_widget_set_margin_left (widget, 12);
+       gtk_grid_attach (GTK_GRID (container), widget, 0, 8, 2, 1);
+       gtk_widget_show (widget);
+
+       e_binding_bind_property (
+               openpgp_ext, "locate-keys",
+               widget, "active",
+               G_BINDING_SYNC_CREATE |
+               G_BINDING_BIDIRECTIONAL);
+
 #if defined (ENABLE_SMIME)
 
        /*** Security MIME (S/MIME) ***/