[taler-anastasis-gtk] 01/05: worked on authentication_frame

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dennis-neufeld pushed a commit to branch master
in repository anastasis-gtk.

commit a8bfe2ca6efe097de9ce8aca2b2b69f2e821336e
Author: Dennis Neufeld <dennis.neufeld@students.bfh.ch>
AuthorDate: Mon Sep 21 12:04:03 2020 +0200

    worked on authentication_frame
---
 src/anastasis/Makefile.am            |   4 +-
 src/anastasis/anastasis-gtk.c        |  14 ++++
 src/anastasis/anastasis-gtk_backup.c | 155 +++++++++++++++++++++++++++++++++++
 src/anastasis/anastasis-gtk_helper.c |  15 ++--
 src/include/anastasis-gtk_helper.h   |  20 +++++
 5 files changed, 202 insertions(+), 6 deletions(-)

diff --git a/src/anastasis/Makefile.am b/src/anastasis/Makefile.am
index be38f24..56d9ca9 100644
--- a/src/anastasis/Makefile.am
+++ b/src/anastasis/Makefile.am
@@ -20,10 +20,12 @@ anastasis_gtk_SOURCES = \
 anastasis_gtk_LDADD = \
   @GTK_LIBS@ \
   @GLADE_LIBS@ @GNUNET_LIBS@ \
-  -lanastasisredux \
   -lgnunetgtk \
   -lgnunetutil \
+  -lgnunetcurl \
   -ljansson \
+  -lanastasisrest \
+  -lanastasisredux \
   $(INTLLIBS)
 anastasis_gtk_LDFLAGS = \
   -export-dynamic
diff --git a/src/anastasis/anastasis-gtk.c b/src/anastasis/anastasis-gtk.c
index 18ab3ab..5c9356c 100644
--- a/src/anastasis/anastasis-gtk.c
+++ b/src/anastasis/anastasis-gtk.c
@@ -40,6 +40,16 @@ struct GNUNET_GTK_MainLoop *ml;
  */
 struct GNUNET_CONFIGURATION_Handle *cfg;
 
+/**
+ * Closure for #GNUNET_CURL_gnunet_scheduler_reschedule().
+ */
+struct GNUNET_CURL_RescheduleContext *rc;
+
+/**
+ * Curl context for communication with taler backend
+ */
+struct GNUNET_CURL_Context *ctx;
+
 /**
  * Actual state.
  */
@@ -101,6 +111,10 @@ run (void *cls)
   gtk_window_present (GTK_WINDOW (main_window));
   GNUNET_SCHEDULER_add_shutdown (&shutdown_task,
                                  NULL);
+  /* initialize HTTP client */
+  ctx = GNUNET_CURL_init (&GNUNET_CURL_gnunet_scheduler_reschedule,
+                          &rc);
+  rc = GNUNET_CURL_gnunet_rc_create (ctx);
 }
 
 
diff --git a/src/anastasis/anastasis-gtk_backup.c 
b/src/anastasis/anastasis-gtk_backup.c
index 7046f43..a65c402 100644
--- a/src/anastasis/anastasis-gtk_backup.c
+++ b/src/anastasis/anastasis-gtk_backup.c
@@ -32,6 +32,69 @@
 #include <jansson.h>
 
 
+/**
+ * Server information
+ */
+struct ServerInfo
+{
+  /**
+   * URL of the anastasis backend.
+   */
+  char *backend_url;
+
+  /**
+   * label of the anastasis backend.
+   */
+  const char *backend_label;
+
+  /**
+   * supported methods of the anastasis backend.
+   */
+  char *backend_methods;
+
+  /**
+   * server salt of the anastasis backend.
+   */
+  const struct ANASTASIS_CRYPTO_PowSalt *backend_salt;
+
+  /**
+   * insurance of the anastasis backend.
+   */
+  const struct TALER_Amount *backend_insurance;
+
+  /**
+   * cost of using the anastasis backend.
+   */
+  const struct TALER_Amount *backend_cost;
+
+  /**
+   * user identifier derived from user data and backend salt
+   */
+  struct ANASTASIS_CRYPTO_UserIdentifierP *user_id;
+};
+
+/**
+ * State for a "get config" CMD.
+ */
+struct ConfigState
+{
+  /**
+   * Expected status code.
+   */
+  unsigned int http_status;
+
+  /**
+   * The /config GET operation handle.
+   */
+  struct ANASTASIS_ConfigOperation *co;
+
+  /**
+   * Reference to a ServerInfo.
+   */
+  struct ServerInfo *server;
+};
+
+
 /**
  * Callback invoked if the the "backup"-button is clicked.
  *
@@ -59,3 +122,95 @@ anastasis_gtk_backup_button_clicked (GObject *object,
 }
 
 
+/**
+ * Function called with the results of a #ANASTASIS_get_config().
+ *
+ * @param cls closure
+ * @param http_status HTTP status of the request
+ * @param methods supported methods by this provider
+ * @param annual_fee Annual fee of this service
+ * @param question_cost Cost for authentication by question
+ */
+static void
+config_cb (void *cls,
+           unsigned int http_status,
+           const char *methods,
+           const char *conf_currency,
+           const struct TALER_Amount *annual_fee,
+           const struct TALER_Amount *question_cost)
+{
+     json_t *auth_method = json_object ();
+     struct ConfigState *cs = cls;
+
+     cs->co = NULL;
+     GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+               "At %s:%d url is %s\n", __FILE__, __LINE__,
+               cs->server->backend_url);
+     if (http_status != cs->http_status)
+     {
+          GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                         "Unexpected response code %u in %s:%u\n",
+                         http_status,
+                         __FILE__,
+                         __LINE__);
+          //return;
+     }
+     if (NULL != strstr (methods, "question"))
+     {
+          gtk_widget_show (GTK_WIDGET (GCG_get_main_window_object (
+                                        
"anastasis_gtk_bttn_add_auth_question")));
+     }
+     if (NULL != strstr (methods, "sms"))
+     {
+          gtk_widget_show (GTK_WIDGET (GCG_get_main_window_object (
+                                        "anastasis_gtk_bttn_add_auth_sms")));
+     }
+     if (NULL != strstr (methods, "email"))
+     {
+          gtk_widget_show (GTK_WIDGET (GCG_get_main_window_object (
+                                        "anastasis_gtk_bttn_add_auth_email")));
+     }
+     if (NULL != strstr (methods, "video"))
+     {
+          gtk_widget_show (GTK_WIDGET (GCG_get_main_window_object (
+                                        "anastasis_gtk_bttn_add_auth_video")));
+     }
+     if (NULL != strstr (methods, "post"))
+     {
+          gtk_widget_show (GTK_WIDGET (GCG_get_main_window_object (
+                                        "anastasis_gtk_bttn_add_auth_post")));
+     }
+}
+
+
+/**
+ * Initialize the auhentication methods.
+ * 
+ * @param state the initial state to get the continents from
+ */
+void
+init_auth_methods (json_t *state)
+{
+    size_t index;
+    json_t *provider;
+    json_t *provider_list = json_object_get (state, "provider-list");
+
+    json_array_foreach (provider_list, index, provider)
+    {
+          struct ConfigState *cs = GNUNET_new (struct ConfigState);
+          const char *url = json_string_value (json_object_get (provider, 
"provider-url"));
+          GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+                      "Url is: %s\n", url);
+          cs->http_status = MHD_HTTP_OK;
+          cs->co = ANASTASIS_get_config (ctx,
+                                         url,
+                                         config_cb,
+                                         cs);
+          if (NULL == cs->co)
+          {
+          /** FIXME: Error handling */
+          }
+    }
+}
+
+
diff --git a/src/anastasis/anastasis-gtk_helper.c 
b/src/anastasis/anastasis-gtk_helper.c
index 1b9b6b6..a5235de 100644
--- a/src/anastasis/anastasis-gtk_helper.c
+++ b/src/anastasis/anastasis-gtk_helper.c
@@ -177,14 +177,19 @@ action_cb (void *cls,
                                         
"anastasis_gtk_main_window_forward_button")), true);
             init_id_attr (redux_state, json_string_value (json_object_get 
(redux_state, "selected_country")));
         }
-
+        if (check_state (redux_state, "ReduxUserAttributesAddedState"))
+        {
+            init_auth_methods (redux_state);
+        }
+        /** FIXME: Don't use this like this */
         if (0 == persist_state (redux_state))
             return;
         else
             GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Failed to persist new state! \n");
     }
-    GNUNET_SCHEDULER_shutdown ();
+    /** FIXME: see above
+     * GNUNET_SCHEDULER_shutdown (); */
 }
 
 
@@ -590,9 +595,9 @@ anastasis_gtk_main_window_forward_clicked (GObject *object,
         for (iter = children; iter != NULL; iter = g_list_next (iter))
         {
             bool isset = false;
-            const char *entry_widget;
-            const char *cal_widget;
-            const char *widget = gtk_buildable_get_name (iter->data);
+            char *entry_widget;
+            char *cal_widget;
+            char *widget = gtk_buildable_get_name (iter->data);
             json_t *id_attr = json_object ();
 
             GNUNET_asprintf (&entry_widget,
diff --git a/src/include/anastasis-gtk_helper.h 
b/src/include/anastasis-gtk_helper.h
index d2e1aab..a1510f5 100644
--- a/src/include/anastasis-gtk_helper.h
+++ b/src/include/anastasis-gtk_helper.h
@@ -26,6 +26,7 @@
  */
 
 #include <gnunet-gtk/gnunet_gtk.h>
+#include <anastasis/anastasis_service.h>
 #include <anastasis/anastasis_redux.h>
 
 /**
@@ -43,6 +44,16 @@ extern struct GNUNET_CONFIGURATION_Handle *cfg;
  */
 extern json_t *redux_state;
 
+/**
+ * Curl context for communication with taler backend
+ */
+extern struct GNUNET_CURL_Context *ctx;
+
+/**
+ * Closure for #GNUNET_CURL_gnunet_scheduler_reschedule().
+ */
+extern struct GNUNET_CURL_RescheduleContext *rc;
+
 
 /**
  * Function called with the results of #ANASTASIS_backup_action
@@ -119,6 +130,15 @@ init_id_attr (json_t *state,
               const char *country);
 
 
+/**
+ * Initialize the auhentication methods.
+ * 
+ * @param state the initial state to get the continents from
+ */
+void
+init_auth_methods (json_t *state);
+
+
 /**
  * Callback invoked if the the "back"-button is clicked.
  *

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