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From 5f765f63193a0f13af2b7c31b466f0f207e0b4e0 Mon Sep 17 00:00:00 2001
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From: Jakub Filak <jfilak@redhat.com>
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Date: Mon, 16 Mar 2015 08:58:58 +0100
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Subject: [PATCH] dbus: add a new method GetProblemData
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The method returns serialized problem_data_t for a given problem id.
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The method is needed by cockpit-abrt which is supposed to have a page
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showing comprehensive problem details.
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Related: #1224984
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Signed-off-by: Jakub Filak <jfilak@redhat.com>
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---
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 src/dbus/abrt-dbus.c | 72 ++++++++++++++++++++++++++++++++++++++++++++++++++--
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 1 file changed, 70 insertions(+), 2 deletions(-)
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diff --git a/src/dbus/abrt-dbus.c b/src/dbus/abrt-dbus.c
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index f2f742b..335c234 100644
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--- a/src/dbus/abrt-dbus.c
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+++ b/src/dbus/abrt-dbus.c
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@@ -49,6 +49,10 @@ static const gchar introspection_xml[] =
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   "      <arg type='s' name='problem_dir' direction='in'/>"
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   "      <arg type='s' name='name' direction='in'/>"
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   "    </method>"
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+  "    <method name='GetProblemData'>"
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+  "      <arg type='s' name='problem_dir' direction='in'/>"
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+  "      <arg type='a{s(its)}' name='problem_data' direction='out'/>"
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+  "    </method>"
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   "    <method name='ChownProblemDir'>"
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   "      <arg type='s' name='problem_dir' direction='in'/>"
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   "    </method>"
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@@ -599,6 +603,68 @@ static void handle_method_call(GDBusConnection *connection,
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         return;
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     }
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+    if (g_strcmp0(method_name, "GetProblemData") == 0)
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+    {
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+        /* Parameter tuple is (s) */
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+        const char *problem_id;
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+
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+        g_variant_get(parameters, "(&s)", &problem_id);
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+
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+        int ddstat = dump_dir_stat_for_uid(problem_id, caller_uid);
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+        if ((ddstat & DD_STAT_ACCESSIBLE_BY_UID) == 0 &&
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+                polkit_check_authorization_dname(caller, "org.freedesktop.problems.getall") != PolkitYes)
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+        {
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+            log_notice("Unauthorized access : '%s'", problem_id);
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+            g_dbus_method_invocation_return_dbus_error(invocation,
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+                                              "org.freedesktop.problems.AuthFailure",
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+                                              _("Not Authorized"));
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+            return;
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+        }
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+
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+        struct dump_dir *dd = dd_opendir(problem_id, DD_OPEN_READONLY);
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+        if (dd == NULL)
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+        {
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+            log_notice("Can't access the problem '%s' for reading", problem_id);
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+            g_dbus_method_invocation_return_dbus_error(invocation,
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+                                    "org.freedesktop.problems.Failure",
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+                                    _("Can't access the problem for reading"));
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+            return;
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+        }
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+
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+        problem_data_t *pd = create_problem_data_from_dump_dir(dd);
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+        dd_close(dd);
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+
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+        GVariantBuilder *response_builder = g_variant_builder_new(G_VARIANT_TYPE_ARRAY);
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+
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+        GHashTableIter pd_iter;
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+        char *element_name;
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+        struct problem_item *element_info;
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+        g_hash_table_iter_init(&pd_iter, pd);
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+        while (g_hash_table_iter_next(&pd_iter, (void**)&element_name, (void**)&element_info))
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+        {
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+            unsigned long size = 0;
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+            if (problem_item_get_size(element_info, &size) != 0)
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+            {
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+                log_notice("Can't get stat of : '%s'", element_info->content);
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+                continue;
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+            }
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+
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+            g_variant_builder_add(response_builder, "{s(its)}",
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+                                                    element_name,
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+                                                    element_info->flags,
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+                                                    size,
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+                                                    element_info->content);
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+        }
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+
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+        GVariant *response = g_variant_new("(a{s(its)})", response_builder);
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+        g_variant_builder_unref(response_builder);
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+
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+        problem_data_free(pd);
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+
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+        g_dbus_method_invocation_return_value(invocation, response);
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+        return;
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+    }
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+
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     if (g_strcmp0(method_name, "SetElement") == 0)
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     {
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         const char *problem_id;
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@@ -923,8 +989,10 @@ int main(int argc, char *argv[])
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     * the introspection data structures - so we just build
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     * them from XML.
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     */
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-    introspection_data = g_dbus_node_info_new_for_xml(introspection_xml, NULL);
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-    g_assert(introspection_data != NULL);
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+    GError *err = NULL;
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+    introspection_data = g_dbus_node_info_new_for_xml(introspection_xml, &err;;
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+    if (err != NULL)
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+        error_msg_and_die("Invalid D-Bus interface: %s", err->message);
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     owner_id = g_bus_own_name(G_BUS_TYPE_SYSTEM,
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                              ABRT_DBUS_NAME,
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-- 
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2.4.3
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