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Use timezone aware date parser

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This commit is contained in:
Andris Reinman 2017-06-08 16:04:34 +03:00
parent d0d6072f1b
commit d226d98486
2 changed files with 228 additions and 2 deletions
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225
imap-core/lib/parse-date.js Normal file
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@ -0,0 +1,225 @@
'use strict';
const TIMEZONE_ABBREVATIONS = {
ACDT: '+1030',
ACST: '+0930',
ACT: '+0800',
ADT: '-0300',
AEDT: '+1100',
AEST: '+1000',
AFT: '+0430',
AKDT: '-0800',
AKST: '-0900',
AMST: '-0300',
AMT: '+0400',
ART: '-0300',
AST: '+0300',
AWDT: '+0900',
AWST: '+0800',
AZOST: '-0100',
AZT: '+0400',
BDT: '+0800',
BIOT: '+0600',
BIT: '-1200',
BOT: '-0400',
BRT: '-0300',
BST: '+0600',
BTT: '+0600',
CAT: '+0200',
CCT: '+0630',
CDT: '-0500',
CEDT: '+0200',
CEST: '+0200',
CET: '+0100',
CHADT: '+1345',
CHAST: '+1245',
CHOT: '+0800',
CHST: '+1000',
CHUT: '+1000',
CIST: '-0800',
CIT: '+0800',
CKT: '-1000',
CLST: '-0300',
CLT: '-0400',
COST: '-0400',
COT: '-0500',
CST: '-0600',
CT: '+0800',
CVT: '-0100',
CWST: '+0845',
CXT: '+0700',
DAVT: '+0700',
DDUT: '+1000',
DFT: '+0100',
EASST: '-0500',
EAST: '-0600',
EAT: '+0300',
ECT: '-0500',
EDT: '-0400',
EEDT: '+0300',
EEST: '+0300',
EET: '+0200',
EGST: '+0000',
EGT: '-0100',
EIT: '+0900',
EST: '-0500',
FET: '+0300',
FJT: '+1200',
FKST: '-0300',
FKT: '-0400',
FNT: '-0200',
GALT: '-0600',
GAMT: '-0900',
GET: '+0400',
GFT: '-0300',
GILT: '+1200',
GIT: '-0900',
GMT: '+0000',
GST: '+0400',
GYT: '-0400',
HADT: '-0900',
HAEC: '+0200',
HAST: '-1000',
HKT: '+0800',
HMT: '+0500',
HOVT: '+0700',
HST: '-1000',
ICT: '+0700',
IDT: '+0300',
IOT: '+0300',
IRDT: '+0430',
IRKT: '+0900',
IRST: '+0330',
IST: '+0530',
JST: '+0900',
KGT: '+0600',
KOST: '+1100',
KRAT: '+0700',
KST: '+0900',
LHST: '+1030',
LINT: '+1400',
MAGT: '+1200',
MART: '-0930',
MAWT: '+0500',
MDT: '-0600',
MET: '+0100',
MEST: '+0200',
MHT: '+1200',
MIST: '+1100',
MIT: '-0930',
MMT: '+0630',
MSK: '+0400',
MST: '-0700',
MUT: '+0400',
MVT: '+0500',
MYT: '+0800',
NCT: '+1100',
NDT: '-0230',
NFT: '+1130',
NPT: '+0545',
NST: '-0330',
NT: '-0330',
NUT: '-1100',
NZDT: '+1300',
NZST: '+1200',
OMST: '+0700',
ORAT: '+0500',
PDT: '-0700',
PET: '-0500',
PETT: '+1200',
PGT: '+1000',
PHOT: '+1300',
PHT: '+0800',
PKT: '+0500',
PMDT: '-0200',
PMST: '-0300',
PONT: '+1100',
PST: '-0800',
PYST: '-0300',
PYT: '-0400',
RET: '+0400',
ROTT: '-0300',
SAKT: '+1100',
SAMT: '+0400',
SAST: '+0200',
SBT: '+1100',
SCT: '+0400',
SGT: '+0800',
SLST: '+0530',
SRT: '-0300',
SST: '+0800',
SYOT: '+0300',
TAHT: '-1000',
THA: '+0700',
TFT: '+0500',
TJT: '+0500',
TKT: '+1300',
TLT: '+0900',
TMT: '+0500',
TOT: '+1300',
TVT: '+1200',
UCT: '+0000',
ULAT: '+0800',
UTC: '+0000',
UYST: '-0200',
UYT: '-0300',
UZT: '+0500',
VET: '-0430',
VLAT: '+1000',
VOLT: '+0400',
VOST: '+0600',
VUT: '+1100',
WAKT: '+1200',
WAST: '+0200',
WAT: '+0100',
WEDT: '+0100',
WEST: '+0100',
WET: '+0000',
WST: '+0800',
YAKT: '+1000',
YEKT: '+0600',
Z: '+0000'
};
function parseDate(str, defaultDate) {
if (isValidDate(str)) {
return str;
}
str = (str || '').toString().trim();
let date = new Date(str);
if (isValidDate(date)) {
return date;
}
// Assume last alpha part is a timezone
// Ex: "Date: Thu, 15 May 2014 13:53:30 EEST"
str = str.replace(/\b[a-z]+$/i, tz => {
tz = tz.toUpperCase();
if (TIMEZONE_ABBREVATIONS.hasOwnProperty(tz)) {
return TIMEZONE_ABBREVATIONS[tz];
}
return tz;
});
date = new Date(str);
if (isValidDate(date)) {
return date;
} else {
return defaultDate || new Date();
}
}
/**
* Checks if a value is a Date object and it contains an actual date value
* @param {Date} date Date object to check
* @returns {Boolean} True if the value is a valid date
*/
function isValidDate(date) {
return Object.prototype.toString.call(date) === '[object Date]' && date.toString() !== 'Invalid Date';
}
module.exports = parseDate;

5
lib/message-handler.js
View file

@ -9,6 +9,7 @@ const ImapNotifier = require('./imap-notifier');
const tools = require('./tools');
const libmime = require('libmime');
const counters = require('./counters');
const parseDate = require('../imap-core/lib/parse-date');
// how many modifications to cache before writing
const BULK_BATCH_SIZE = 150;
@ -763,8 +764,8 @@ class MessageHandler {
let bodystructure = this.indexer.getBodyStructure(mimeTree);
let envelope = this.indexer.getEnvelope(mimeTree);
let idate = (options.date && new Date(options.date)) || new Date();
let hdate = (mimeTree.parsedHeader.date && new Date(mimeTree.parsedHeader.date)) || false;
let idate = (options.date && parseDate(options.date)) || new Date();
let hdate = (mimeTree.parsedHeader.date && parseDate(mimeTree.parsedHeader.date, idate)) || false;
let flags = [].concat(options.flags || []);