[evolution-ews] I#55 - Consider mail aliases when searching for an attendee property

[Milan Crha <mcrha src gnome org>]

commit 1d18eed5843dc1ff54fb924d2cead40232157def
Author: Milan Crha <mcrha redhat com>
Date:   Wed Aug 7 16:19:58 2019 +0200

    I#55 - Consider mail aliases when searching for an attendee property
    
    Closes https://gitlab.gnome.org/GNOME/evolution-ews/issues/55

 src/calendar/e-cal-backend-ews.c | 65 +++++++++++++++++++++++++++++++++-------
 1 file changed, 55 insertions(+), 10 deletions(-)
---
diff --git a/src/calendar/e-cal-backend-ews.c b/src/calendar/e-cal-backend-ews.c
index fb3d9808..b0f759cd 100644
--- a/src/calendar/e-cal-backend-ews.c
+++ b/src/calendar/e-cal-backend-ews.c
@@ -148,6 +148,41 @@ ecb_ews_get_collection_settings (ECalBackendEws *cbews)
        return CAMEL_EWS_SETTINGS (settings);
 }
 
+static GHashTable *
+ecb_ews_get_mail_aliases (ECalBackendEws *cbews)
+{
+       ESource *source;
+       ESourceRegistry *registry;
+       GHashTable *aliases = NULL;
+       GList *identities, *link;
+       const gchar *parent_uid;
+
+       source = e_backend_get_source (E_BACKEND (cbews));
+       parent_uid = e_source_get_parent (source);
+
+       if (!parent_uid || !*parent_uid)
+               return NULL;
+
+       registry = e_cal_backend_get_registry (E_CAL_BACKEND (cbews));
+       identities = e_source_registry_list_enabled (registry, E_SOURCE_EXTENSION_MAIL_IDENTITY);
+
+       for (link = identities; link; link = g_list_next (link)) {
+               ESource *mail_identity = link->data;
+
+               if (g_strcmp0 (parent_uid, e_source_get_parent (mail_identity)) == 0) {
+                       ESourceMailIdentity *extension;
+
+                       extension = e_source_get_extension (mail_identity, E_SOURCE_EXTENSION_MAIL_IDENTITY);
+                       aliases = e_source_mail_identity_get_aliases_as_hash_table (extension);
+                       break;
+               }
+       }
+
+       g_list_free_full (identities, g_object_unref);
+
+       return aliases;
+}
+
 static void
 ecb_ews_convert_error_to_edc_error (GError **perror)
 {
@@ -3267,7 +3302,8 @@ ecb_ews_receive_objects_no_exchange_mail (ECalBackendEws *cbews,
 
 static ICalProperty *
 find_attendee (ICalComponent *icomp,
-               const gchar *address)
+              const gchar *address,
+              GHashTable *aliases)
 {
        ICalProperty *prop;
 
@@ -3287,7 +3323,8 @@ find_attendee (ICalComponent *icomp,
 
                text = g_strdup (itip_strip_mailto (attendee));
                text = g_strstrip (text);
-               if (text && !g_ascii_strcasecmp (address, text)) {
+               if (text && ((!g_ascii_strcasecmp (address, text)) ||
+                   (aliases && g_hash_table_contains (aliases, text)))) {
                        g_free (text);
                        g_free (attendee);
                        break;
@@ -3301,7 +3338,8 @@ find_attendee (ICalComponent *icomp,
 
 static ICalProperty *
 find_attendee_if_sentby (ICalComponent *icomp,
-                         const gchar *address)
+                        const gchar *address,
+                        GHashTable *aliases)
 {
        ICalProperty *prop;
 
@@ -3331,7 +3369,8 @@ find_attendee_if_sentby (ICalComponent *icomp,
 
                g_object_unref (param);
 
-               if (text && !g_ascii_strcasecmp (address, text)) {
+               if (text && ((!g_ascii_strcasecmp (address, text)) ||
+                   (aliases && g_hash_table_contains (aliases, text)))) {
                        g_free (text);
                        break;
                }
@@ -3365,6 +3404,7 @@ static gchar *
 ecb_ews_get_current_user_meeting_reponse (ECalBackendEws *cbews,
                                          ICalComponent *icomp,
                                          const gchar *current_user_mail,
+                                         GHashTable *aliases,
                                          gboolean *out_rsvp_requested)
 {
        ICalProperty *attendee;
@@ -3383,7 +3423,8 @@ ecb_ews_get_current_user_meeting_reponse (ECalBackendEws *cbews,
                if (attendee_str) {
                        attendee_mail = itip_strip_mailto (attendee_str);
 
-                       if (attendee_mail && current_user_mail && g_ascii_strcasecmp (attendee_mail, 
current_user_mail) == 0) {
+                       if (attendee_mail && ((current_user_mail && g_ascii_strcasecmp (attendee_mail, 
current_user_mail) == 0) ||
+                           (aliases && g_hash_table_contains (aliases, attendee_mail)))) {
                                g_object_unref (attendee);
                                /* Empty string means it's an organizer, NULL is when not found */
                                return g_strdup ("");
@@ -3401,7 +3442,8 @@ ecb_ews_get_current_user_meeting_reponse (ECalBackendEws *cbews,
                if (attendee_str != NULL) {
                        attendee_mail = itip_strip_mailto (attendee_str);
 
-                       if (attendee_mail && current_user_mail && g_ascii_strcasecmp (attendee_mail, 
current_user_mail) == 0) {
+                       if (attendee_mail && ((current_user_mail && g_ascii_strcasecmp (attendee_mail, 
current_user_mail) == 0) ||
+                           (aliases && g_hash_table_contains (aliases, attendee_mail)))) {
                                g_free (response);
                                response = i_cal_property_get_parameter_as_string (attendee, "PARTSTAT");
                                ecb_ews_get_rsvp (attendee, out_rsvp_requested);
@@ -3431,9 +3473,9 @@ ecb_ews_get_current_user_meeting_reponse (ECalBackendEws *cbews,
 
                        my_address = itip_get_comp_attendee (registry, comp, NULL);
 
-                       attendee = find_attendee (icomp, my_address);
+                       attendee = find_attendee (icomp, my_address, aliases);
                        if (!attendee)
-                               attendee = find_attendee_if_sentby (icomp, my_address);
+                               attendee = find_attendee_if_sentby (icomp, my_address, aliases);
 
                        if (attendee) {
                                response = i_cal_property_get_parameter_as_string (attendee, "PARTSTAT");
@@ -3685,6 +3727,7 @@ ecb_ews_receive_objects_sync (ECalBackendSync *sync_backend,
        CamelEwsSettings *ews_settings;
        ICalComponent *icomp, *subcomp;
        ICalComponentKind kind;
+       GHashTable *aliases;
        gchar *user_email;
        gboolean success = TRUE, do_refresh = FALSE;
 
@@ -3714,6 +3757,7 @@ ecb_ews_receive_objects_sync (ECalBackendSync *sync_backend,
 
        ews_settings = ecb_ews_get_collection_settings (cbews);
        user_email = camel_ews_settings_dup_email (ews_settings);
+       aliases = ecb_ews_get_mail_aliases (cbews);
 
        switch (i_cal_component_get_method (icomp)) {
        case I_CAL_METHOD_REQUEST:
@@ -3727,7 +3771,7 @@ ecb_ews_receive_objects_sync (ECalBackendSync *sync_backend,
                        gboolean rsvp_requested = FALSE;
 
                        /* getting a data for meeting request response */
-                       response_type = ecb_ews_get_current_user_meeting_reponse (cbews, subcomp, user_email, 
&rsvp_requested);
+                       response_type = ecb_ews_get_current_user_meeting_reponse (cbews, subcomp, user_email, 
aliases, &rsvp_requested);
 
                        comp = e_cal_component_new_from_icalcomponent (i_cal_component_clone (subcomp));
 
@@ -3752,7 +3796,7 @@ ecb_ews_receive_objects_sync (ECalBackendSync *sync_backend,
                        gchar *response_type;
 
                        /* getting a data for meeting request response */
-                       response_type = ecb_ews_get_current_user_meeting_reponse (cbews, subcomp, user_email, 
NULL);
+                       response_type = ecb_ews_get_current_user_meeting_reponse (cbews, subcomp, user_email, 
aliases, NULL);
 
                        if (g_strcmp0 (response_type, "ACCEPTED") == 0) {
                                gchar **split_subject;
@@ -3819,6 +3863,7 @@ ecb_ews_receive_objects_sync (ECalBackendSync *sync_backend,
                break;
        }
 
+       g_clear_pointer (&aliases, g_hash_table_unref);
        g_object_unref (icomp);
        g_free (user_email);