Bug 1847658 - Account for organizer as attendee of sent invite in iTIP. r=mkmelin

Differential Revision: https://phabricator.services.mozilla.com/D189023

--HG--
extra : amend_source : 0b68acfae8702e1e669b68faf4845b5ac30b1474

calendar/base/modules/utils/calItipUtils.sys.mjs

@@ -835,8 +835,21 @@ export var itip = {
    *                                            to ask the user whether to send)
    */
   checkAndSend(aOpType, aItem, aOriginalItem, aExtResponse = null) {
-    let sender = new lazy.CalItipMessageSender(aOriginalItem, itip.getInvitedAttendee(aItem));
+    // `CalItipMessageSender` uses the presence of an "invited attendee"
-    if (sender.detectChanges(aOpType, aItem, aExtResponse)) {
+    // (representation of the current user) as an indication that this is an
+    // incoming invitation, so we need to avoid passing it if the current user
+    // is the event organizer.
+    let currentUserAsAttendee = null;
+    const itemCalendar = aItem.calendar;
+    if (
+      itemCalendar?.supportsScheduling &&
+      itemCalendar.getSchedulingSupport().isInvitation(aItem)
+    ) {
+      currentUserAsAttendee = this.getInvitedAttendee(aItem, itemCalendar);
+    }
+
+    const sender = new lazy.CalItipMessageSender(aOriginalItem, currentUserAsAttendee);
+    if (sender.buildOutgoingMessages(aOpType, aItem, aExtResponse)) {
       sender.send(itip.getImipTransport(aItem));
     }
   },

calendar/itip/CalItipMessageSender.jsm

@@ -25,6 +25,7 @@ class CalItipMessageSender {
    *
    * @param {?calIAttendee} invitedAttendee - For incoming invitations, this is
    *   the attendee that was invited (corresponding to an installed identity).
+   *   For outgoing invitations, this should be `null`.
    */
   constructor(originalItem, invitedAttendee) {
     this.originalItem = originalItem;
@@ -39,9 +40,9 @@ class CalItipMessageSender {
   }
 
   /**
-   * Detects whether the passed invitation item has been modified from the
+   * Builds a list of iTIP messages to be sent as a result of operations on a
-   * original (attendees added/removed, item deleted etc.) thus requiring iTIP
+   * calendar item, based on the current user's role and any modifications to
-   * messages to be sent.
+   * the item.
    *
    * This method should be called before send().
    *
@@ -58,7 +59,7 @@ class CalItipMessageSender {
    *
    * @returns {number} - The number of messages to be sent.
    */
-  detectChanges(opType, item, extResponse = null) {
+  buildOutgoingMessages(opType, item, extResponse = null) {
     let { originalItem, invitedAttendee } = this;
 
     // balance out parts of the modification vs delete confusion, deletion of occurrences
@@ -146,8 +147,10 @@ class CalItipMessageSender {
       return this.pendingMessageCount;
     }
 
+    // If an "invited attendee" (i.e., the current user) is present, we assume
+    // that this is an incoming invite and that we should send only a REPLY if
+    // needed.
     if (invitedAttendee) {
-      // actually is an invitation copy, fix attendee list to send REPLY
       /* We check if the attendee id matches one of of the
        * userAddresses. If they aren't equal, it means that
        * someone is accepting invitations on behalf of an other user. */
@@ -158,9 +161,10 @@ class CalItipMessageSender {
           !cal.email.attendeeMatchesAddresses(invitedAttendee, userAddresses)
         ) {
           invitedAttendee = invitedAttendee.clone();
-          invitedAttendee.setProperty("SENT-BY", "mailto:" + userAddresses[0]);
+          invitedAttendee.setProperty("SENT-BY", cal.email.prependMailTo(userAddresses[0]));
         }
       }
+
       if (item.organizer) {
         let origInvitedAttendee = originalItem && originalItem.getAttendeeById(invitedAttendee.id);
 
@@ -312,6 +316,7 @@ class CalItipMessageSender {
             attendee.rsvp = "TRUE";
             requestItem.addAttendee(attendee);
           }
+
           recipients.push(attendee);
         }
 
@@ -328,6 +333,14 @@ class CalItipMessageSender {
           recipients = addedAttendees;
         }
 
+        // Since this is a REQUEST, it is being sent from the event creator to
+        // attendees. We do not need to send a message to the creator, even
+        // though they may also be an attendee.
+        const calendarEmail = cal.provider.getEmailIdentityOfCalendar(item.calendar)?.email;
+        recipients = recipients.filter(
+          attendee => cal.email.removeMailTo(attendee.id) != calendarEmail
+        );
+
         if (recipients.length > 0) {
           this.pendingMessages.push(
             new CalItipOutgoingMessage("REQUEST", recipients, requestItem, null, autoResponse)
@@ -352,7 +365,7 @@ class CalItipMessageSender {
 
   /**
    * Sends the iTIP message using the item's calendar transport. This method
-   * should be called after detectChanges().
+   * should be called after buildOutgoingMessages().
    *
    * @param {calIItipTransport} [transport] - An optional transport to use
    *  instead of the one provided by the item's calendar.

calendar/test/unit/test_itip_message_sender.js

@@ -3,6 +3,7 @@
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 var { cal } = ChromeUtils.importESModule("resource:///modules/calendar/calUtils.sys.mjs");
+const { CalAttendee } = ChromeUtils.import("resource:///modules/CalAttendee.jsm");
 var { CalEvent } = ChromeUtils.import("resource:///modules/CalEvent.jsm");
 var { CalItipMessageSender } = ChromeUtils.import("resource:///modules/CalItipMessageSender.jsm");
 var { MailServices } = ChromeUtils.import("resource:///modules/MailServices.jsm");
@@ -12,10 +13,22 @@ var { CalendarTestUtils } = ChromeUtils.import(
 );
 
 const identityEmail = "user@example.com";
-const calendarOrganizerId = "mailto:user@example.com";
 const eventOrganizerEmail = "eventorganizer@example.com";
-const eventOrganizerId = `mailto:${eventOrganizerEmail}`;
+
-const icalString = CalendarTestUtils.dedent`
+/**
+ * Creates a calendar event mimicking an event to which we have received an
+ * invitation.
+ *
+ * @param {string} organizerEmail - The email address of the event organizer.
+ * @param {string} attendeeEmail - The email address of an attendee who has
+ *   accepted the invitation.
+ * @returns {calIItemBase} - The new calendar event.
+ */
+function createIncomingEvent(organizerEmail, attendeeEmail) {
+  const organizerId = cal.email.prependMailTo(organizerEmail);
+  const attendeeId = cal.email.prependMailTo(attendeeEmail);
+
+  const icalString = CalendarTestUtils.dedent`
       BEGIN:VEVENT
       CREATED:20210105T000000Z
       DTSTAMP:20210501T000000Z
@@ -25,19 +38,21 @@ const icalString = CalendarTestUtils.dedent`
       DTEND:20210105T100000Z
       STATUS:CONFIRMED
       SUMMARY:Test Event
-      ORGANIZER;CN=${eventOrganizerEmail}:${eventOrganizerId}
+      ORGANIZER;CN=${organizerEmail}:${organizerId}
       ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED;
         RSVP=TRUE;CN=other@example.com;:mailto:other@example.com
       ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED;
-        RSVP=TRUE;CN=${identityEmail};:${calendarOrganizerId}
+        RSVP=TRUE;CN=${attendeeEmail};:${attendeeId}
       X-MOZ-RECEIVED-SEQUENCE:0
       X-MOZ-RECEIVED-DTSTAMP:20210501T000000Z
       X-MOZ-GENERATION:0
       END:VEVENT
     `;
 
+  return new CalEvent(icalString);
+}
+
 let calendar;
-let identity;
 
 /**
  * Ensure the calendar manager is available, initialize the calendar and
@@ -46,113 +61,273 @@ let identity;
 add_setup(async function () {
   await new Promise(resolve => do_load_calmgr(resolve));
   calendar = CalendarTestUtils.createCalendar("Test", "memory");
-  identity = MailServices.accounts.createIdentity();
+
+  const identity = MailServices.accounts.createIdentity();
   identity.email = identityEmail;
-  calendar.setProperty("imip.identity.key", identity.key);
-  calendar.setProperty("organizerId", calendarOrganizerId);
-});
 
-/**
+  const account = MailServices.accounts.createAccount();
- * Test receiving a new invitation queues a "REPLY" message.
+  account.incomingServer = MailServices.accounts.createIncomingServer(
- */
+    `${account.key}user`,
-add_task(async function testInvitationReceived() {
+    "localhost",
-  const item = new CalEvent(icalString);
+    "none"
-  const savedItem = await calendar.addItem(item);
-  const invitedAttendee = savedItem.getAttendeeById(calendarOrganizerId);
-  const sender = new CalItipMessageSender(null, invitedAttendee);
-  const result = sender.detectChanges(Ci.calIOperationListener.ADD, savedItem);
-  Assert.equal(result, 1, "result indicates 1 pending message queued");
-  Assert.equal(sender.pendingMessageCount, 1, "pendingMessageCount is 1");
-
-  const [msg] = sender.pendingMessages;
-  Assert.equal(msg.method, "REPLY", "message method is 'REPLY'");
-  Assert.equal(msg.recipients.length, 1, "message has 1 recipient");
-
-  const [recipient] = msg.recipients;
-  Assert.equal(recipient.id, eventOrganizerId, "recipient is the event organizer");
-
-  const attendeeList = msg.item.getAttendees();
-  Assert.equal(attendeeList.length, 1, "reply attendees list has 1 attendee");
-
-  const [attendee] = attendeeList;
-  Assert.equal(attendee.id, calendarOrganizerId, "invited attendee is on the reply attendees list");
-  Assert.equal(
-    attendee.participationStatus,
-    "ACCEPTED",
-    "invited attendee participation status is 'ACCEPTED'"
   );
+  account.addIdentity(identity);
 
-  await calendar.deleteItem(savedItem);
+  registerCleanupFunction(() => {
+    MailServices.accounts.removeIncomingServer(account.incomingServer, false);
+    MailServices.accounts.removeAccount(account);
+  });
+
+  calendar.setProperty("imip.identity.key", identity.key);
+  calendar.setProperty("organizerId", cal.email.prependMailTo(identityEmail));
 });
 
-/**
+add_task(async function testAddAttendeesToOwnEvent() {
- * Test updating the invited attendee's participation status queues a "REPLY"
+  const icalString = CalendarTestUtils.dedent`
- * message.
+      BEGIN:VEVENT
- */
+      CREATED:20210105T000000Z
-add_task(async function testParticipationStatusUpdated() {
+      DTSTAMP:20210501T000000Z
+      UID:c1a6cfe7-7fbb-4bfb-a00d-861e07c649a5
+      SUMMARY:Test Invitation
+      DTSTART:20210105T000000Z
+      DTEND:20210105T100000Z
+      STATUS:CONFIRMED
+      SUMMARY:Test Event
+      X-MOZ-SEND-INVITATIONS:TRUE
+      END:VEVENT
+    `;
+
   const item = new CalEvent(icalString);
   const savedItem = await calendar.addItem(item);
 
+  // Modify the event to include an attendee not in the original, as well as the
+  // organizer. As of the writing of this test, this is the expected behavior
+  // for adding an attendee to an event which previously had none.
+  const newAttendeeEmail = "foo@example.com";
+  const newAttendee = new CalAttendee();
+  newAttendee.id = newAttendeeEmail;
+
+  const organizer = new CalAttendee();
+  organizer.isOrganizer = true;
+  organizer.id = identityEmail;
+
+  const organizerAsAttendee = new CalAttendee();
+  organizerAsAttendee.id = identityEmail;
+
   const targetItem = savedItem.clone();
-  const invitedAttendee = targetItem.getAttendeeById(calendarOrganizerId);
+  targetItem.addAttendee(newAttendee);
-  invitedAttendee.participationStatus = "TENTATIVE";
+  targetItem.addAttendee(organizer);
-
+  targetItem.addAttendee(organizerAsAttendee);
   const modifiedItem = await calendar.modifyItem(targetItem, savedItem);
-  const sender = new CalItipMessageSender(savedItem, invitedAttendee);
+
-  const result = sender.detectChanges(Ci.calIOperationListener.MODIFY, modifiedItem);
+  // Test that a sender with an original item and for which the current user is
-  Assert.equal(result, 1, "result indicates 1 pending message queued");
+  // both an attendee and the organizer will generate a REQUEST, but not send a
-  Assert.equal(sender.pendingMessageCount, 1, "pendingMessageCount is 1");
+  // message to the organizer.
+  const sender = new CalItipMessageSender(savedItem, null);
+
+  const result = sender.buildOutgoingMessages(Ci.calIOperationListener.MODIFY, modifiedItem);
+  Assert.equal(result, 1, "return value should indicate there are pending messages");
+  Assert.equal(sender.pendingMessageCount, 1, "there should be one pending message");
 
   const [msg] = sender.pendingMessages;
-  Assert.equal(msg.method, "REPLY", "message method is 'REPLY'");
+  Assert.equal(msg.method, "REQUEST", "message method should be 'REQUEST'");
-  Assert.equal(msg.recipients.length, 1, "message has 1 recipient");
+  Assert.equal(msg.recipients.length, 1, "message should have one recipient");
 
   const [recipient] = msg.recipients;
-  Assert.equal(recipient.id, eventOrganizerId, "recipient is the event organizer");
-
-  const attendeeList = msg.item.getAttendees();
-  Assert.equal(attendeeList.length, 1, "reply attendees list has 1 attendee");
-
-  const [attendee] = attendeeList;
-  Assert.equal(attendee.id, calendarOrganizerId, "invited attendee is on the reply attendees list");
   Assert.equal(
-    attendee.participationStatus,
+    recipient.id,
-    "TENTATIVE",
+    cal.email.prependMailTo(newAttendeeEmail),
-    "invited attendee participation status is 'TENTATIVE'"
+    "recipient should be the non-organizer attendee"
   );
 
   await calendar.deleteItem(modifiedItem);
 });
 
-/**
+add_task(async function testAddAdditionalAttendee() {
- * Test deleting an event queues a "CANCEL" message.
+  const icalString = CalendarTestUtils.dedent`
- */
+      BEGIN:VEVENT
-add_task(async function testEventDeleted() {
+      CREATED:20210105T000000Z
+      DTSTAMP:20210501T000000Z
+      UID:c1a6cfe7-7fbb-4bfb-a00d-861e07c649a5
+      SUMMARY:Test Invitation
+      DTSTART:20210105T000000Z
+      DTEND:20210105T100000Z
+      STATUS:CONFIRMED
+      SUMMARY:Test Event
+      ORGANIZER;CN=${identityEmail}:${cal.email.prependMailTo(identityEmail)}
+      ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED;
+        RSVP=TRUE;CN=other@example.com;:mailto:other@example.com
+      ATTENDEE;CUTYPE=INDIVIDUAL;ROLE=REQ-PARTICIPANT;PARTSTAT=ACCEPTED;
+        RSVP=TRUE;CN=${identityEmail};:${cal.email.prependMailTo(identityEmail)}
+      X-MOZ-SEND-INVITATIONS:TRUE
+      END:VEVENT
+    `;
+
   const item = new CalEvent(icalString);
   const savedItem = await calendar.addItem(item);
 
-  await calendar.deleteItem(savedItem);
+  // Modify the event to include an attendee not in the original.
-  const invitedAttendee = savedItem.getAttendeeById(calendarOrganizerId);
+  const newAttendeeEmail = "bar@example.com";
-  const sender = new CalItipMessageSender(null, invitedAttendee);
+  const newAttendee = new CalAttendee();
-  const result = sender.detectChanges(Ci.calIOperationListener.DELETE, savedItem);
+  newAttendee.id = newAttendeeEmail;
-  Assert.equal(result, 1, "result indicates 1 pending message queued");
+
-  Assert.equal(sender.pendingMessageCount, 1, "pendingMessageCount is 1");
+  const organizer = new CalAttendee();
+  organizer.isOrganizer = true;
+  organizer.id = identityEmail;
+
+  const organizerAsAttendee = new CalAttendee();
+  organizerAsAttendee.id = identityEmail;
+
+  const targetItem = savedItem.clone();
+  targetItem.addAttendee(newAttendee);
+  const modifiedItem = await calendar.modifyItem(targetItem, savedItem);
+
+  // Test that adding an attendee won't cause messages to be sent to the
+  // existing attendees.
+  const sender = new CalItipMessageSender(savedItem, null);
+
+  const result = sender.buildOutgoingMessages(Ci.calIOperationListener.MODIFY, modifiedItem);
+  Assert.equal(result, 1, "return value should indicate there are pending messages");
+  Assert.equal(sender.pendingMessageCount, 1, "there should be one pending message");
 
   const [msg] = sender.pendingMessages;
-  Assert.equal(msg.method, "REPLY", "message method is 'REPLY'");
+  Assert.equal(msg.method, "REQUEST", "message method should be 'REQUEST'");
-  Assert.equal(msg.recipients.length, 1, "message has 1 recipient");
+  Assert.equal(msg.recipients.length, 1, "message should have one recipient");
 
   const [recipient] = msg.recipients;
-  Assert.equal(recipient.id, eventOrganizerId, "recipient is the event organizer");
+  Assert.equal(
+    recipient.id,
+    cal.email.prependMailTo(newAttendeeEmail),
+    "recipient should be the new attendee"
+  );
+
+  await calendar.deleteItem(modifiedItem);
+});
+
+add_task(async function testInvitationReceived() {
+  const item = createIncomingEvent(eventOrganizerEmail, identityEmail);
+  const savedItem = await calendar.addItem(item);
+
+  const attendeeId = cal.email.prependMailTo(identityEmail);
+
+  // Test that a sender with no original item and for which the current user is
+  // an attendee but not the organizer (representing a new incoming invitation)
+  // generates a single pending REPLY message on ADD.
+  const currentUserAsAttendee = savedItem.getAttendeeById(attendeeId);
+  const sender = new CalItipMessageSender(null, currentUserAsAttendee);
+
+  const result = sender.buildOutgoingMessages(Ci.calIOperationListener.ADD, savedItem);
+  Assert.equal(result, 1, "return value should indicate there are pending messages");
+  Assert.equal(sender.pendingMessageCount, 1, "there should be one pending message");
+
+  const [msg] = sender.pendingMessages;
+  Assert.equal(msg.method, "REPLY", "message method should be 'REPLY'");
+  Assert.equal(msg.recipients.length, 1, "message should have one recipient");
+
+  const [recipient] = msg.recipients;
+  Assert.equal(
+    recipient.id,
+    cal.email.prependMailTo(eventOrganizerEmail),
+    "recipient should be the event organizer"
+  );
 
   const attendeeList = msg.item.getAttendees();
-  Assert.equal(attendeeList.length, 1, "reply attendees list has 1 attendee");
+  Assert.equal(attendeeList.length, 1, "there should be one attendee listed in the message");
 
   const [attendee] = attendeeList;
-  Assert.equal(attendee.id, calendarOrganizerId, "invited attendee is on the reply attendees list");
+  Assert.equal(attendee.id, attendeeId, "listed attendee should be the current user");
+  Assert.equal(
+    attendee.participationStatus,
+    "ACCEPTED",
+    "current user's participation status should be 'ACCEPTED'"
+  );
+
+  await calendar.deleteItem(savedItem);
+});
+
+add_task(async function testParticipationStatusUpdated() {
+  const item = createIncomingEvent(eventOrganizerEmail, identityEmail);
+  const savedItem = await calendar.addItem(item);
+
+  const attendeeId = cal.email.prependMailTo(identityEmail);
+
+  // Modify the event to update the user's participation status.
+  const targetItem = savedItem.clone();
+  const currentUserAsAttendee = targetItem.getAttendeeById(attendeeId);
+  currentUserAsAttendee.participationStatus = "TENTATIVE";
+  const modifiedItem = await calendar.modifyItem(targetItem, savedItem);
+
+  // Test that a sender for which the current user is an attendee but not the
+  // organizer will generate a pending REPLY message on MODIFY.
+  const sender = new CalItipMessageSender(savedItem, currentUserAsAttendee);
+  const result = sender.buildOutgoingMessages(Ci.calIOperationListener.MODIFY, modifiedItem);
+
+  Assert.equal(result, 1, "return value should indicate there are pending messages");
+  Assert.equal(sender.pendingMessageCount, 1, "there should be one pending message");
+
+  const [msg] = sender.pendingMessages;
+  Assert.equal(msg.method, "REPLY", "message method should be 'REPLY'");
+  Assert.equal(msg.recipients.length, 1, "message should have one recipient");
+
+  const [recipient] = msg.recipients;
+  Assert.equal(
+    recipient.id,
+    cal.email.prependMailTo(eventOrganizerEmail),
+    "recipient should be the event organizer"
+  );
+
+  const attendeeList = msg.item.getAttendees();
+  Assert.equal(attendeeList.length, 1, "there should be one attendee listed in the message");
+
+  const [attendee] = attendeeList;
+  Assert.equal(attendee.id, attendeeId, "listed attendee should be the current user");
+  Assert.equal(
+    attendee.participationStatus,
+    "TENTATIVE",
+    "current user's participation status should be 'TENTATIVE'"
+  );
+
+  await calendar.deleteItem(modifiedItem);
+});
+
+add_task(async function testEventDeleted() {
+  const item = createIncomingEvent(eventOrganizerEmail, identityEmail);
+  const savedItem = await calendar.addItem(item);
+
+  const attendeeId = cal.email.prependMailTo(identityEmail);
+
+  await calendar.deleteItem(savedItem);
+  const currentUserAsAttendee = savedItem.getAttendeeById(attendeeId);
+
+  // Test that a sender with no original item and for which the current user is
+  // an attendee but not the organizer (representing the user deleting an event
+  // from their calendar) generates a single REPLY message to the organizer on
+  // DELETE.
+  const sender = new CalItipMessageSender(null, currentUserAsAttendee);
+  const result = sender.buildOutgoingMessages(Ci.calIOperationListener.DELETE, savedItem);
+
+  Assert.equal(result, 1, "return value should indicate there are pending messages");
+  Assert.equal(sender.pendingMessageCount, 1, "there should be one pending message");
+
+  const [msg] = sender.pendingMessages;
+  Assert.equal(msg.method, "REPLY", "message method should be 'REPLY'");
+  Assert.equal(msg.recipients.length, 1, "message should have one recipient");
+
+  const [recipient] = msg.recipients;
+  Assert.equal(
+    recipient.id,
+    cal.email.prependMailTo(eventOrganizerEmail),
+    "recipient should be the event organizer"
+  );
+
+  const attendeeList = msg.item.getAttendees();
+  Assert.equal(attendeeList.length, 1, "there should be one attendee listed in the message");
+
+  const [attendee] = attendeeList;
+  Assert.equal(attendee.id, attendeeId, "listed attendee should be the current user");
   Assert.equal(
     attendee.participationStatus,
     "DECLINED",
-    "invited attendee status changed to 'DECLINED'"
+    "current user's participation status should be 'DECLINED'"
   );
 });

calendar/test/unit/xpcshell.ini

@@ -3,6 +3,7 @@ head = head.js
 prefs =
   calendar.timezone.local=UTC
   calendar.timezone.useSystemTimezone=false
+  calendar.itip.updateInvitationForNewAttendeesOnly=true
 support-files = data/**
 tags = calendar