From 3b5809bcf0c071eaaaeaee2a15e2b87c32202235 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sun, 26 Sep 2021 15:52:46 +0200
Subject: add dialog to answer TOTP challenges

---
 src/anastasis/anastasis-gtk_action.c | 73 +++++++++++++++++++++++++++++++++++-
 1 file changed, 71 insertions(+), 2 deletions(-)

(limited to 'src/anastasis/anastasis-gtk_action.c')

diff --git a/src/anastasis/anastasis-gtk_action.c b/src/anastasis/anastasis-gtk_action.c
index 5d4b461..87e06bc 100644
--- a/src/anastasis/anastasis-gtk_action.c
+++ b/src/anastasis/anastasis-gtk_action.c
@@ -2533,6 +2533,15 @@ action_challenge_paying (void)
  * Render challenge feedback for challenge @a uuid_str in a dialog of
  * @a builder in the label under @a target_widget.
  *
+ * Useful in case the operation previously failed at the
+ * server and we have some useful information to return
+ * to the user.
+ *
+ * FIXME: only do it AFTER the first attempt of the
+ * user to enter a code, and/or change what the
+ * server returns so we do NOT render a confusing
+ * error message on first use!
+ *
  * @param builder a builder to get widgets from
  * @param target_widget the widget to upate
  * @param uuid_str the UUID to render feedback for
@@ -2735,7 +2744,6 @@ diag_question (const json_t *details)
 
     uuid_str = json_string_value (json_object_get (details,
                                                    "uuid"));
-    /* Why do we do this? */
     render_feedback (builder,
                      "anastasis_gtk_c_question_error_label",
                      uuid_str);
@@ -2794,7 +2802,6 @@ diag_code (const json_t *details)
                                                "anastasis_gtk_c_challenge_label"));
     gtk_label_set_text (label,
                         uuid_str);
-    /* Why do we do this? */
     render_feedback (builder,
                      "anastasis_gtk_c_code_error_label",
                      uuid_str);
@@ -2809,6 +2816,66 @@ diag_code (const json_t *details)
 }
 
 
+/**
+ * Create a dialog for the user to enter an TOTP code.
+ *
+ * @param details details about the dialog to render
+ * @return dialog object
+ */
+static GtkDialog *
+diag_totp (const json_t *details)
+{
+  GtkBuilder *builder;
+  const char *instructions;
+  const char *uuid_str;
+  struct GNUNET_JSON_Specification spec[] = {
+    GNUNET_JSON_spec_string ("instructions",
+                             &instructions),
+    GNUNET_JSON_spec_string ("uuid",
+                             &uuid_str),
+    GNUNET_JSON_spec_end ()
+  };
+
+  if (GNUNET_OK !=
+      GNUNET_JSON_parse (details,
+                         spec,
+                         NULL, NULL))
+  {
+    GNUNET_break (0);
+    json_dumpf (details,
+                stderr,
+                JSON_INDENT (2));
+    return NULL;
+  }
+
+  builder = GNUNET_GTK_get_new_builder ("anastasis_gtk_challenge_totp.glade",
+                                        NULL);
+  if (NULL == builder)
+  {
+    GNUNET_break (0);
+    return NULL;
+  }
+  {
+    GtkLabel *label;
+
+    label = GTK_LABEL (gtk_builder_get_object (builder,
+                                               "challenge_instructions_label"));
+    gtk_label_set_text (label,
+                        instructions);
+  }
+  render_feedback (builder,
+                   "anastasis_gtk_c_totp_error_label",
+                   uuid_str);
+  {
+    GtkDialog *ad;
+
+    ad = GTK_DIALOG (gtk_builder_get_object (builder,
+                                             "anastasis_gtk_c_totp_dialog"));
+    return ad;
+  }
+}
+
+
 /**
  * Create a dialog for the user to make an IBAN transfer.
  *
@@ -2941,6 +3008,8 @@ action_challenge_solving (void)
       .ctor = &diag_code },
     { .type = gettext_noop ("iban"),
       .ctor = &diag_iban },
+    { .type = gettext_noop ("totp"),
+      .ctor = &diag_totp },
     { .type = NULL,
       .ctor = NULL }
   };
-- 
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