org.apache.http.impl.cookie.LaxExpiresHandler Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of httpclient Show documentation
Show all versions of httpclient Show documentation
Apache HttpComponents Client
/*
* ====================================================================
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* MONTHS;
static {
final ConcurrentHashMap map = new ConcurrentHashMap(12);
map.put("jan", Calendar.JANUARY);
map.put("feb", Calendar.FEBRUARY);
map.put("mar", Calendar.MARCH);
map.put("apr", Calendar.APRIL);
map.put("may", Calendar.MAY);
map.put("jun", Calendar.JUNE);
map.put("jul", Calendar.JULY);
map.put("aug", Calendar.AUGUST);
map.put("sep", Calendar.SEPTEMBER);
map.put("oct", Calendar.OCTOBER);
map.put("nov", Calendar.NOVEMBER);
map.put("dec", Calendar.DECEMBER);
MONTHS = map;
}
private final static Pattern TIME_PATTERN = Pattern.compile(
"^([0-9]{1,2}):([0-9]{1,2}):([0-9]{1,2})([^0-9].*)?$");
private final static Pattern DAY_OF_MONTH_PATTERN = Pattern.compile(
"^([0-9]{1,2})([^0-9].*)?$");
private final static Pattern MONTH_PATTERN = Pattern.compile(
"^(jan|feb|mar|apr|may|jun|jul|aug|sep|oct|nov|dec)(.*)?$", Pattern.CASE_INSENSITIVE);
private final static Pattern YEAR_PATTERN = Pattern.compile(
"^([0-9]{2,4})([^0-9].*)?$");
public LaxExpiresHandler() {
super();
}
@Override
public void parse(final SetCookie cookie, final String value) throws MalformedCookieException {
Args.notNull(cookie, "Cookie");
if (TextUtils.isBlank(value)) {
return;
}
final ParserCursor cursor = new ParserCursor(0, value.length());
final StringBuilder content = new StringBuilder();
int second = 0, minute = 0, hour = 0, day = 0, month = 0, year = 0;
boolean foundTime = false, foundDayOfMonth = false, foundMonth = false, foundYear = false;
try {
while (!cursor.atEnd()) {
skipDelims(value, cursor);
content.setLength(0);
copyContent(value, cursor, content);
if (content.length() == 0) {
break;
}
if (!foundTime) {
final Matcher matcher = TIME_PATTERN.matcher(content);
if (matcher.matches()) {
foundTime = true;
hour = Integer.parseInt(matcher.group(1));
minute = Integer.parseInt(matcher.group(2));
second =Integer.parseInt(matcher.group(3));
continue;
}
}
if (!foundDayOfMonth) {
final Matcher matcher = DAY_OF_MONTH_PATTERN.matcher(content);
if (matcher.matches()) {
foundDayOfMonth = true;
day = Integer.parseInt(matcher.group(1));
continue;
}
}
if (!foundMonth) {
final Matcher matcher = MONTH_PATTERN.matcher(content);
if (matcher.matches()) {
foundMonth = true;
month = MONTHS.get(matcher.group(1).toLowerCase(Locale.ROOT));
continue;
}
}
if (!foundYear) {
final Matcher matcher = YEAR_PATTERN.matcher(content);
if (matcher.matches()) {
foundYear = true;
year = Integer.parseInt(matcher.group(1));
continue;
}
}
}
} catch (final NumberFormatException ignore) {
throw new MalformedCookieException("Invalid 'expires' attribute: " + value);
}
if (!foundTime || !foundDayOfMonth || !foundMonth || !foundYear) {
throw new MalformedCookieException("Invalid 'expires' attribute: " + value);
}
if (year >= 70 && year <= 99) {
year = 1900 + year;
}
if (year >= 0 && year <= 69) {
year = 2000 + year;
}
if (day < 1 || day > 31 || year < 1601 || hour > 23 || minute > 59 || second > 59) {
throw new MalformedCookieException("Invalid 'expires' attribute: " + value);
}
final Calendar c = Calendar.getInstance();
c.setTimeZone(UTC);
c.setTimeInMillis(0L);
c.set(Calendar.SECOND, second);
c.set(Calendar.MINUTE, minute);
c.set(Calendar.HOUR_OF_DAY, hour);
c.set(Calendar.DAY_OF_MONTH, day);
c.set(Calendar.MONTH, month);
c.set(Calendar.YEAR, year);
cookie.setExpiryDate(c.getTime());
}
private void skipDelims(final CharSequence buf, final ParserCursor cursor) {
int pos = cursor.getPos();
final int indexFrom = cursor.getPos();
final int indexTo = cursor.getUpperBound();
for (int i = indexFrom; i < indexTo; i++) {
final char current = buf.charAt(i);
if (DELIMS.get(current)) {
pos++;
} else {
break;
}
}
cursor.updatePos(pos);
}
private void copyContent(final CharSequence buf, final ParserCursor cursor, final StringBuilder dst) {
int pos = cursor.getPos();
final int indexFrom = cursor.getPos();
final int indexTo = cursor.getUpperBound();
for (int i = indexFrom; i < indexTo; i++) {
final char current = buf.charAt(i);
if (DELIMS.get(current)) {
break;
}
pos++;
dst.append(current);
}
cursor.updatePos(pos);
}
@Override
public String getAttributeName() {
return ClientCookie.EXPIRES_ATTR;
}
}