/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
var { cal } = ChromeUtils.import("resource:///modules/calendar/calUtils.jsm");
var { recurrenceRule2String } = ChromeUtils.import(
"resource:///modules/calendar/calRecurrenceUtils.jsm"
);
var { MailServices } = ChromeUtils.import("resource:///modules/MailServices.jsm");
const lazy = {};
ChromeUtils.defineModuleGetter(
lazy,
"CalRecurrenceDate",
"resource:///modules/CalRecurrenceDate.jsm"
);
ChromeUtils.defineModuleGetter(lazy, "MailStringUtils", "resource:///modules/MailStringUtils.jsm");
const EXPORTED_SYMBOLS = ["calinvitation"];
var calinvitation = {
/**
* Returns a header title for an ITIP item depending on the response method
*
* @param {calItipItem} aItipItem the itip item to check
* @returns {string} the header title
*/
getItipHeader(aItipItem) {
let header;
if (aItipItem) {
let item = aItipItem.getItemList()[0];
let summary = item.getProperty("SUMMARY") || "";
let organizer = item.organizer;
let organizerString = organizer ? organizer.commonName || organizer.toString() : "";
switch (aItipItem.responseMethod) {
case "REQUEST":
header = cal.l10n.getLtnString("itipRequestBody", [organizerString, summary]);
break;
case "CANCEL":
header = cal.l10n.getLtnString("itipCancelBody", [organizerString, summary]);
break;
case "COUNTER":
// falls through
case "REPLY": {
let attendees = item.getAttendees();
let sender = cal.itip.getAttendeesBySender(attendees, aItipItem.sender);
if (sender.length == 1) {
if (aItipItem.responseMethod == "COUNTER") {
header = cal.l10n.getLtnString("itipCounterBody", [sender[0].toString(), summary]);
} else {
let statusString =
sender[0].participationStatus == "DECLINED"
? "itipReplyBodyDecline"
: "itipReplyBodyAccept";
header = cal.l10n.getLtnString(statusString, [sender[0].toString()]);
}
} else {
header = "";
}
break;
}
case "DECLINECOUNTER":
header = cal.l10n.getLtnString("itipDeclineCounterBody", [organizerString, summary]);
break;
}
}
if (!header) {
header = cal.l10n.getLtnString("imipHtml.header");
}
return header;
},
_createAddedElement(doc) {
let el = doc.createElement("ins");
el.classList.add("added");
return el;
},
_createRemovedElement(doc) {
let el = doc.createElement("del");
el.classList.add("removed");
return el;
},
/**
* Creates new icon and text label for the given event attendee.
*
* @param {Document} doc - The document the new label will belong to.
* @param {calIAttendee} attendee - The attendee to create the label for.
* @param {calIAttendee[]} attendeeList - The full list of attendees for the
* event.
* @param {calIAttendee} [oldAttendee] - The previous version of this attendee
* for this event.
* @param {calIAttendee[]} [attendeeList] - The previous list of attendees for
* this event. This is not optional if oldAttendee is given.
*
* @returns {HTMLDivElement} - The new attendee label.
*/
createAttendeeLabel(doc, attendee, attendeeList, oldAttendee, oldAttendeeList) {
let userType = attendee.userType || "INDIVIDUAL";
let role = attendee.role || "REQ-PARTICIPANT";
let partstat = attendee.participationStatus || "NEEDS-ACTION";
let modified =
oldAttendee &&
((oldAttendee.userType || "INDIVIDUAL") != userType ||
(oldAttendee.role || "REQ-PARTICIPANT") != role ||
(oldAttendee.participationStatus || "NEEDS-ACTION") != partstat);
// resolve delegatees/delegators to display also the CN
let del = cal.itip.resolveDelegation(attendee, attendeeList);
if (oldAttendee && !modified) {
let oldDel = cal.itip.resolveDelegation(oldAttendee, oldAttendeeList);
modified = oldDel.delegatees !== del.delegatees || oldDel.delegator !== del.delegator;
}
let userTypeString = cal.l10n.getLtnString("imipHtml.attendeeUserType2." + userType, [
attendee.toString(),
]);
let roleString = cal.l10n.getLtnString("imipHtml.attendeeRole2." + role, [userTypeString]);
let partstatString = cal.l10n.getLtnString("imipHtml.attendeePartStat2." + partstat, [
attendee.commonName || attendee.toString(),
del.delegatees,
]);
let tooltip = cal.l10n.getLtnString("imipHtml.attendee.combined", [roleString, partstatString]);
let name = attendee.toString();
if (del.delegators) {
name += " " + cal.l10n.getLtnString("imipHtml.attendeeDelegatedFrom", [del.delegators]);
}
let attendeeLabel = doc.createElement("div");
attendeeLabel.classList.add("attendee-label");
// NOTE: tooltip will not appear when the top level is XUL.
attendeeLabel.setAttribute("title", tooltip);
attendeeLabel.setAttribute("attendeeid", attendee.id);
attendeeLabel.setAttribute("tabindex", "0");
if (modified) {
attendeeLabel.classList.add("modified");
}
// FIXME: Replace icon with an img element with src and alt. The current
// problem is that the icon image is set in CSS on the itip-icon class
// with a background image that changes with the role attribute. This is
// generally inaccessible (see Bug 1702560).
let icon = doc.createElement("div");
icon.classList.add("itip-icon");
icon.setAttribute("partstat", partstat);
icon.setAttribute("usertype", userType);
icon.setAttribute("attendeerole", role);
attendeeLabel.appendChild(icon);
let text = doc.createElement("div");
text.classList.add("attendee-name");
text.appendChild(doc.createTextNode(name));
attendeeLabel.appendChild(text);
return attendeeLabel;
},
/**
* Create an new list item element for an attendee, to be used as a child of
* an "attendee-list" element.
*
* @param {Document} doc - The document the new list item will belong to.
* @param {Element} attendeeLabel - The attendee label to place within the
* list item.
*
* return {HTMLLIElement} - The attendee list item.
*/
createAttendeeListItem(doc, attendeeLabel) {
let listItem = doc.createElement("li");
listItem.classList.add("attendee-list-item");
listItem.appendChild(attendeeLabel);
return listItem;
},
/**
* Creates a new element that lists the given attendees.
*
* @param {Document} doc - The document the new list will belong to.
* @param {calIAttendee[]} attendees - The attendees to create the list for.
* @param {calIAttendee[]} [oldAttendees] - A list of attendees for a
* previous version of the event.
*
* @returns {HTMLUListElement} - The list of attendees.
*/
createAttendeesList(doc, attendees, oldAttendees) {
let list = doc.createElement("ul");
list.classList.add("attendee-list");
let oldAttendeeData;
if (oldAttendees) {
oldAttendeeData = [];
for (let attendee of oldAttendees) {
let data = { attendee, item: null };
oldAttendeeData.push(data);
}
}
for (let attendee of attendees) {
let attendeeLabel;
let oldData;
if (oldAttendeeData) {
oldData = oldAttendeeData.find(old => old.attendee.id == attendee.id);
if (oldData) {
// Same attendee.
attendeeLabel = this.createAttendeeLabel(
doc,
attendee,
attendees,
oldData.attendee,
oldAttendees
);
} else {
// Added attendee.
attendeeLabel = this._createAddedElement(doc);
attendeeLabel.appendChild(this.createAttendeeLabel(doc, attendee, attendees));
}
} else {
attendeeLabel = this.createAttendeeLabel(doc, attendee, attendees);
}
let listItem = this.createAttendeeListItem(doc, attendeeLabel);
if (oldData) {
oldData.item = listItem;
}
list.appendChild(listItem);
}
if (oldAttendeeData) {
let next = null;
// Traverse from the end of the list to the start.
for (let i = oldAttendeeData.length - 1; i >= 0; i--) {
let data = oldAttendeeData[i];
if (!data.item) {
// Removed attendee.
let attendeeLabel = this._createRemovedElement(doc);
attendeeLabel.appendChild(this.createAttendeeLabel(doc, data.attendee, attendees));
let listItem = this.createAttendeeListItem(doc, attendeeLabel);
data.item = listItem;
// Insert the removed attendee list item *before* the list item that
// corresponds to the attendee that follows this attendee in the
// oldAttendees list.
//
// NOTE: by traversing from the end of the list to the start, we are
// prioritising being next to the attendee that follows us, rather
// than being next to the attendee that precedes us in the oldAttendee
// list.
//
// Specifically, if a new attendee is added between these two old
// neighbours, the added attendee will be shown earlier than the
// removed attendee in the list.
//
// E.g., going from the list
// [first@person, removed@person, second@person]
// to
// [first@person, added@person, second@person]
// will be shown as
// first@person
// + added@person
// - removed@person
// second@person
// because the removed@person's uses second@person as their reference
// point.
//
// NOTE: next.item is always non-null because next.item is always set
// by the end of the last loop.
list.insertBefore(listItem, next ? next.item : null);
}
next = data;
}
}
return list;
},
/**
* Returns the html representation of the event as a DOM document.
*
* @param {calIItemBase} event - The event to parse into html.
* @param {calItipItem} itipItem - The itip item, which contains the event.
* @returns {Document} The html representation of the event.
*/
createInvitationOverlay(event, itipItem) {
// Creates HTML using the Node strings in the properties file
const parser = new DOMParser();
let doc = parser.parseFromString(calinvitation.htmlTemplate, "text/html");
this.updateInvitationOverlay(doc, event, itipItem);
return doc;
},
/**
* Update the document created by createInvitationOverlay to show the new
* event details, and optionally show changes in the event against an older
* version of it.
*
* For example, this can be used for email invitations to update the invite to
* show the most recent version of the event found in the calendar, whilst
* also showing the event details that were removed since the original email
* invitation. I.e. contrasting the event found in the calendar with the event
* found within the email. Alternatively, if the email invitation is newer
* than the event found in the calendar, you can switch the comparison around.
* (As used in imip-bar.js.)
*
* @param {Document} doc - The document to update, previously created through
* createInvitationOverlay.
* @param {calIItemBase} event - The newest version of the event.
* @param {calItipItem} itipItem - The itip item, which contains the event.
* @param {calIItemBase} [oldEvent] - A previous version of the event to
* show as updated.
*/
updateInvitationOverlay(doc, event, itipItem, oldEvent) {
let headerDescr = doc.getElementById("imipHtml-header");
if (headerDescr) {
headerDescr.textContent = calinvitation.getItipHeader(itipItem);
}
let formatter = cal.dtz.formatter;
/**
* Set whether the given field should be shown.
*
* @param {string} fieldName - The name of the field.
* @param {boolean} show - Whether the field should be shown.
*/
let showField = (fieldName, show) => {
let row = doc.getElementById("imipHtml-" + fieldName + "-row");
if (row.hidden && show) {
// Make sure the field name is set.
doc.getElementById("imipHtml-" + fieldName + "-descr").textContent = cal.l10n.getLtnString(
"imipHtml." + fieldName
);
}
row.hidden = !show;
};
/**
* Set the given element to display the given value.
*
* @param {Element} element - The element to display the value within.
* @param {string} value - The value to show.
* @param {boolean} [convert=false] - Whether the value will need converting
* to a sanitised document fragment.
* @param {string} [html] - The html to use as the value. This is only used
* if convert is set to true.
*/
let setElementValue = (element, value, convert = false, html) => {
if (convert) {
element.appendChild(cal.view.textToHtmlDocumentFragment(value, doc, html));
} else {
element.textContent = value;
}
};
/**
* Set the given field.
*
* If oldEvent is set, and the new value differs from the old one, it will
* be shown as added and/or removed content.
*
* If neither events have a value, the field will be hidden.
*
* @param {string} fieldName - The name of the field to set.
* @param {Function} getValue - A method to retrieve the field value from an
* event. Should return a string, or a falsey value if the event has no
* value for this field.
* @param {boolean} [convert=false] - Whether the value will need converting
* to a sanitised document fragment.
* @param {Function} [getHtml] - A method to retrieve the value as a html.
*/
let setField = (fieldName, getValue, convert = false, getHtml) => {
let cell = doc.getElementById("imipHtml-" + fieldName + "-content");
while (cell.lastChild) {
cell.lastChild.remove();
}
let value = getValue(event);
let oldValue = oldEvent && getValue(oldEvent);
let html = getHtml && getHtml(event);
let oldHtml = oldEvent && getHtml && getHtml(event);
if (oldEvent && (oldValue || value) && oldValue !== value) {
// Different values, with at least one being truthy.
showField(fieldName, true);
if (!oldValue) {
let added = this._createAddedElement(doc);
setElementValue(added, value, convert, html);
cell.appendChild(added);
} else if (!value) {
let removed = this._createRemovedElement(doc);
setElementValue(removed, oldValue, convert, oldHtml);
cell.appendChild(removed);
} else {
let added = this._createAddedElement(doc);
setElementValue(added, value, convert, html);
let removed = this._createRemovedElement(doc);
setElementValue(removed, oldValue, convert, oldHtml);
cell.appendChild(added);
cell.appendChild(doc.createElement("br"));
cell.appendChild(removed);
}
} else if (value) {
// Same truthy value.
showField(fieldName, true);
setElementValue(cell, value, convert, html);
} else {
showField(fieldName, false);
}
};
setField("summary", ev => ev.title, true);
setField("location", ev => ev.getProperty("LOCATION"), true);
let kDefaultTimezone = cal.dtz.defaultTimezone;
setField("when", ev => {
if (ev.recurrenceInfo) {
let startDate = ev.startDate?.getInTimezone(kDefaultTimezone) ?? null;
let endDate = ev.endDate?.getInTimezone(kDefaultTimezone) ?? null;
let repeatString = recurrenceRule2String(
ev.recurrenceInfo,
startDate,
endDate,
startDate.isDate
);
if (repeatString) {
return repeatString;
}
}
return formatter.formatItemInterval(ev);
});
setField("canceledOccurrences", ev => {
if (!ev.recurrenceInfo) {
return null;
}
let formattedExDates = [];
// Show removed instances
for (let exc of ev.recurrenceInfo.getRecurrenceItems()) {
if (
(exc instanceof lazy.CalRecurrenceDate || exc instanceof Ci.calIRecurrenceDate) &&
exc.isNegative
) {
// This is an EXDATE
let excDate = exc.date.getInTimezone(kDefaultTimezone);
formattedExDates.push(formatter.formatDateTime(excDate));
}
}
if (formattedExDates.length > 0) {
return formattedExDates.join("\n");
}
return null;
});
let dateComptor = (a, b) => a.startDate.compare(b.startDate);
setField("modifiedOccurrences", ev => {
if (!ev.recurrenceInfo) {
return null;
}
let modifiedOccurrences = [];
for (let exc of ev.recurrenceInfo.getRecurrenceItems()) {
if (
(exc instanceof lazy.CalRecurrenceDate || exc instanceof Ci.calIRecurrenceDate) &&
!exc.isNegative
) {
// This is an RDATE, close enough to a modified occurrence
let excItem = ev.recurrenceInfo.getOccurrenceFor(exc.date);
cal.data.binaryInsert(modifiedOccurrences, excItem, dateComptor, true);
}
}
for (let recurrenceId of ev.recurrenceInfo.getExceptionIds()) {
let exc = ev.recurrenceInfo.getExceptionFor(recurrenceId);
let excLocation = exc.getProperty("LOCATION");
// Only show modified occurrence if start, duration or location
// has changed.
exc.QueryInterface(Ci.calIEvent);
if (
exc.startDate.compare(exc.recurrenceId) != 0 ||
exc.duration.compare(ev.duration) != 0 ||
excLocation != ev.getProperty("LOCATION")
) {
cal.data.binaryInsert(modifiedOccurrences, exc, dateComptor, true);
}
}
if (modifiedOccurrences.length > 0) {
let evLocation = ev.getProperty("LOCATION");
return modifiedOccurrences
.map(occ => {
let formattedExc = formatter.formatItemInterval(occ);
let occLocation = occ.getProperty("LOCATION");
if (occLocation != evLocation) {
formattedExc +=
" (" + cal.l10n.getLtnString("imipHtml.newLocation", [occLocation]) + ")";
}
return formattedExc;
})
.join("\n");
}
return null;
});
setField(
"description",
// We remove the useless "Outlookism" squiggle.
ev => ev.descriptionText?.replace("*~*~*~*~*~*~*~*~*~*", ""),
true,
ev => ev.descriptionHTML
);
setField("url", ev => ev.getProperty("URL"), true);
setField(
"attachments",
ev => {
// ATTACH - we only display URI but no BINARY type attachments here
let links = [];
for (let attachment of ev.getAttachments()) {
if (attachment.uri) {
links.push(attachment.uri.spec);
}
}
return links.join("\n");
},
true
);
// ATTENDEE and ORGANIZER fields
let attendees = event.getAttendees();
let oldAttendees = oldEvent?.getAttendees();
let organizerCell = doc.getElementById("imipHtml-organizer-cell");
while (organizerCell.lastChild) {
organizerCell.lastChild.remove();
}
let organizer = event.organizer;
if (oldEvent) {
let oldOrganizer = oldEvent.organizer;
if (!organizer && !oldOrganizer) {
showField("organizer", false);
} else {
showField("organizer", true);
let removed = false;
let added = false;
if (!organizer) {
removed = true;
} else if (!oldOrganizer) {
added = true;
} else if (organizer.id !== oldOrganizer.id) {
removed = true;
added = true;
} else {
// Same organizer, potentially modified.
organizerCell.appendChild(
this.createAttendeeLabel(doc, organizer, attendees, oldOrganizer, oldAttendees)
);
}
// Append added first.
if (added) {
let addedEl = this._createAddedElement(doc);
addedEl.appendChild(this.createAttendeeLabel(doc, organizer, attendees));
organizerCell.appendChild(addedEl);
}
if (removed) {
let removedEl = this._createRemovedElement(doc);
removedEl.appendChild(this.createAttendeeLabel(doc, oldOrganizer, oldAttendees));
organizerCell.appendChild(removedEl);
}
}
} else if (!organizer) {
showField("organizer", false);
} else {
showField("organizer", true);
organizerCell.appendChild(this.createAttendeeLabel(doc, organizer, attendees));
}
let attendeesCell = doc.getElementById("imipHtml-attendees-cell");
while (attendeesCell.lastChild) {
attendeesCell.lastChild.remove();
}
// Hide if we have no attendees, and neither does the old event.
if (attendees.length == 0 && (!oldEvent || oldAttendees.length == 0)) {
showField("attendees", false);
} else {
// oldAttendees is undefined if oldEvent is undefined.
showField("attendees", true);
attendeesCell.appendChild(this.createAttendeesList(doc, attendees, oldAttendees));
}
},
/**
* Returns the header section for an invitation email.
*
* @param {string} aMessageId the message id to use for that email
* @param {nsIMsgIdentity} aIdentity the identity to use for that email
* @returns {string} the source code of the header section of the email
*/
getHeaderSection(aMessageId, aIdentity, aToList, aSubject) {
let recipient = aIdentity.fullName + " <" + aIdentity.email + ">";
let from = aIdentity.fullName.length
? cal.email.validateRecipientList(recipient)
: aIdentity.email;
let header =
"MIME-version: 1.0\r\n" +
(aIdentity.replyTo
? "Return-path: " + calinvitation.encodeMimeHeader(aIdentity.replyTo, true) + "\r\n"
: "") +
"From: " +
calinvitation.encodeMimeHeader(from, true) +
"\r\n" +
(aIdentity.organization
? "Organization: " + calinvitation.encodeMimeHeader(aIdentity.organization) + "\r\n"
: "") +
"Message-ID: " +
aMessageId +
"\r\n" +
"To: " +
calinvitation.encodeMimeHeader(aToList, true) +
"\r\n" +
"Date: " +
calinvitation.getRfc5322FormattedDate() +
"\r\n" +
"Subject: " +
calinvitation.encodeMimeHeader(aSubject.replace(/(\n|\r\n)/, "|")) +
"\r\n";
let validRecipients;
if (aIdentity.doCc) {
validRecipients = cal.email.validateRecipientList(aIdentity.doCcList);
if (validRecipients != "") {
header += "Cc: " + calinvitation.encodeMimeHeader(validRecipients, true) + "\r\n";
}
}
if (aIdentity.doBcc) {
validRecipients = cal.email.validateRecipientList(aIdentity.doBccList);
if (validRecipients != "") {
header += "Bcc: " + calinvitation.encodeMimeHeader(validRecipients, true) + "\r\n";
}
}
return header;
},
/**
* Returns a datetime string according to section 3.3 of RfC5322
*
* @param {Date} [optional] Js Date object to format; if not provided current DateTime is used
* @returns {string} Datetime string with a modified tz-offset notation compared to
* Date.toString() like "Fri, 20 Nov 2015 09:45:36 +0100"
*/
getRfc5322FormattedDate(aDate = null) {
let date = aDate || new Date();
let str = date
.toString()
.replace(
/^(\w{3}) (\w{3}) (\d{2}) (\d{4}) ([0-9:]{8}) GMT([+-])(\d{4}).*$/,
"$1, $3 $2 $4 $5 $6$7"
);
// according to section 3.3 of RfC5322, +0000 should be used for defined timezones using
// UTC time, while -0000 should indicate a floating time instead
let timezone = cal.dtz.defaultTimezone;
if (timezone && timezone.isFloating) {
str.replace(/\+0000$/, "-0000");
}
return str;
},
/**
* Converts a given unicode text to utf-8 and normalizes line-breaks to \r\n
*
* @param {string} aText a unicode encoded string
* @returns {string} the converted uft-8 encoded string
*/
encodeUTF8(aText) {
return calinvitation.convertFromUnicode(aText).replace(/(\r\n)|\n/g, "\r\n");
},
/**
* Converts a given unicode text
*
* @param {string} aSrc unicode text to convert
* @returns {string} the converted string
*/
convertFromUnicode(aSrc) {
return lazy.MailStringUtils.stringToByteString(aSrc);
},
/**
* Converts a header to a mime encoded header
*
* @param {string} aHeader a header to encode
* @param {boolean} aIsEmail if enabled, only the CN but not the email address gets
* converted - default value is false
* @returns {string} the encoded string
*/
encodeMimeHeader(aHeader, aIsEmail = false) {
let fieldNameLen = aHeader.indexOf(": ") + 2;
return MailServices.mimeConverter.encodeMimePartIIStr_UTF8(
aHeader,
aIsEmail,
fieldNameLen,
Ci.nsIMimeConverter.MIME_ENCODED_WORD_SIZE
);
},
/**
* Parses a counterproposal to extract differences to the existing event
*
* @param {calIEvent|calITodo} aProposedItem The counterproposal
* @param {calIEvent|calITodo} aExistingItem The item to compare with
* @returns {JSObject} Objcet of result and differences of parsing
* @returns {string} JsObject.result.type Parsing result: OK|OLDVERSION|ERROR|NODIFF
* @returns {string} JsObject.result.descr Parsing result description
* @returns {Array} JsObject.differences Array of objects consisting of property, proposed
* and original properties.
* @returns {string} JsObject.comment A comment of the attendee, if any
*/
parseCounter(aProposedItem, aExistingItem) {
let isEvent = aProposedItem.isEvent();
// atm we only support a subset of properties, for a full list see RfC 5546 section 3.2.7
let properties = ["SUMMARY", "LOCATION", "DTSTART", "DTEND", "COMMENT"];
if (!isEvent) {
cal.LOG("Parsing of counterproposals is currently only supported for events.");
properties = [];
}
let diff = [];
let status = { descr: "", type: "OK" };
// As required in https://tools.ietf.org/html/rfc5546#section-3.2.7 a valid counterproposal
// is referring to as existing UID and must include the same sequence number and organizer as
// the original request being countered
if (
aProposedItem.id == aExistingItem.id &&
aProposedItem.organizer &&
aExistingItem.organizer &&
aProposedItem.organizer.id == aExistingItem.organizer.id
) {
let proposedSequence = aProposedItem.getProperty("SEQUENCE") || 0;
let existingSequence = aExistingItem.getProperty("SEQUENCE") || 0;
if (existingSequence >= proposedSequence) {
if (existingSequence > proposedSequence) {
// in this case we prompt the organizer with the additional information that the
// received proposal refers to an outdated version of the event
status.descr = "This is a counterproposal to an already rescheduled event.";
status.type = "OUTDATED";
} else if (aProposedItem.stampTime.compare(aExistingItem.stampTime) == -1) {
// now this is the same sequence but the proposal is not based on the latest
// update of the event - updated events may have minor changes, while for major
// ones there has been a rescheduling
status.descr = "This is a counterproposal not based on the latest event update.";
status.type = "NOTLATESTUPDATE";
}
for (let prop of properties) {
let newValue = aProposedItem.getProperty(prop) || null;
let oldValue = aExistingItem.getProperty(prop) || null;
if (
(["DTSTART", "DTEND"].includes(prop) && newValue.toString() != oldValue.toString()) ||
(!["DTSTART", "DTEND"].includes(prop) && newValue != oldValue)
) {
diff.push({
property: prop,
proposed: newValue,
original: oldValue,
});
}
}
} else {
status.descr = "Invalid sequence number in counterproposal.";
status.type = "ERROR";
}
} else {
status.descr = "Mismatch of uid or organizer in counterproposal.";
status.type = "ERROR";
}
if (status.type != "ERROR" && !diff.length) {
status.descr = "No difference in counterproposal detected.";
status.type = "NODIFF";
}
return { result: status, differences: diff };
},
/**
* The HTML template used to format invitations for display.
* This used to be in a separate file (invitation-template.xhtml) and should
* probably be moved back there. But loading on-the-fly was causing a nasty
* C++ reentrancy issue (see bug 1679299).
*/
htmlTemplate: `