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diff -up evolution-ews-3.28.5/src/calendar/e-cal-backend-ews.c.save-only-if-organizer evolution-ews-3.28.5/src/calendar/e-cal-backend-ews.c
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--- evolution-ews-3.28.5/src/calendar/e-cal-backend-ews.c.save-only-if-organizer 2019-11-13 07:44:37.295278517 +0100
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+++ evolution-ews-3.28.5/src/calendar/e-cal-backend-ews.c 2019-11-13 07:55:27.656269523 +0100
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@@ -147,6 +147,41 @@ ecb_ews_get_collection_settings (ECalBac
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return CAMEL_EWS_SETTINGS (settings);
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}
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+static GHashTable *
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+ecb_ews_get_mail_aliases (ECalBackendEws *cbews)
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+{
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+ ESource *source;
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+ ESourceRegistry *registry;
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+ GHashTable *aliases = NULL;
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+ GList *identities, *link;
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+ const gchar *parent_uid;
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+
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+ source = e_backend_get_source (E_BACKEND (cbews));
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+ parent_uid = e_source_get_parent (source);
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+
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+ if (!parent_uid || !*parent_uid)
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+ return NULL;
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+
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+ registry = e_cal_backend_get_registry (E_CAL_BACKEND (cbews));
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+ identities = e_source_registry_list_enabled (registry, E_SOURCE_EXTENSION_MAIL_IDENTITY);
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+
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+ for (link = identities; link; link = g_list_next (link)) {
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+ ESource *mail_identity = link->data;
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+
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+ if (g_strcmp0 (parent_uid, e_source_get_parent (mail_identity)) == 0) {
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+ ESourceMailIdentity *extension;
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+
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+ extension = e_source_get_extension (mail_identity, E_SOURCE_EXTENSION_MAIL_IDENTITY);
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+ aliases = e_source_mail_identity_get_aliases_as_hash_table (extension);
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+ break;
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+ }
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+ }
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+
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+ g_list_free_full (identities, g_object_unref);
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+
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+ return aliases;
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+}
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+
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static void
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ecb_ews_convert_error_to_edc_error (GError **perror)
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{
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@@ -1350,6 +1385,18 @@ ecb_ews_is_organizer (ECalBackendEws *cb
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is_organizer = user_email && g_ascii_strcasecmp (email, user_email) == 0;
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g_free (user_email);
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+
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+ if (!is_organizer) {
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+ GHashTable *aliases;
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+
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+ aliases = ecb_ews_get_mail_aliases (cbews);
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+
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+ if (aliases) {
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+ is_organizer = g_hash_table_contains (aliases, email);
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+
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+ g_hash_table_unref (aliases);
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+ }
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+ }
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}
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return is_organizer;
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@@ -2595,6 +2642,10 @@ ecb_ews_save_component_sync (ECalMetaBac
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g_slist_free_full (existing, g_object_unref);
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g_slist_free_full (changed_instances, change_data_free);
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g_slist_free_full (removed_instances, g_object_unref);
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+ } else if (e_cal_component_has_organizer (master) &&
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+ !ecb_ews_is_organizer (cbews, master)) {
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+ success = FALSE;
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+ g_propagate_error (error, EDC_ERROR_EX (PermissionDenied, _("Cannot create meetings organized by other users in an Exchange Web Services calendar.")));
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} else {
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GHashTable *removed_indexes;
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EwsCalendarConvertData convert_data = { 0 };
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