| /* |
| * This file is part of the WebKit project. |
| * |
| * Copyright (C) 2009 Michelangelo De Simone <micdesim@gmail.com> |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * Copyright (C) 2018 Apple Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #include "config.h" |
| #include "EmailInputType.h" |
| |
| #include "HTMLInputElement.h" |
| #include "HTMLParserIdioms.h" |
| #include "InputTypeNames.h" |
| #include "LocalizedStrings.h" |
| #include <JavaScriptCore/RegularExpression.h> |
| #include <wtf/NeverDestroyed.h> |
| #include <wtf/text/StringBuilder.h> |
| |
| namespace WebCore { |
| |
| // From https://html.spec.whatwg.org/#valid-e-mail-address. |
| static const char emailPattern[] = "^[a-zA-Z0-9.!#$%&'*+\\/=?^_`{|}~-]+@[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?(?:\\.[a-zA-Z0-9](?:[a-zA-Z0-9-]{0,61}[a-zA-Z0-9])?)*$"; |
| |
| static bool isValidEmailAddress(const String& address) |
| { |
| int addressLength = address.length(); |
| if (!addressLength) |
| return false; |
| |
| static NeverDestroyed<const JSC::Yarr::RegularExpression> regExp(emailPattern, JSC::Yarr::TextCaseInsensitive); |
| |
| int matchLength; |
| int matchOffset = regExp.get().match(address, 0, &matchLength); |
| |
| return !matchOffset && matchLength == addressLength; |
| } |
| |
| const AtomString& EmailInputType::formControlType() const |
| { |
| return InputTypeNames::email(); |
| } |
| |
| bool EmailInputType::typeMismatchFor(const String& value) const |
| { |
| ASSERT(element()); |
| if (value.isEmpty()) |
| return false; |
| if (!element()->multiple()) |
| return !isValidEmailAddress(value); |
| for (auto& address : value.splitAllowingEmptyEntries(',')) { |
| if (!isValidEmailAddress(stripLeadingAndTrailingHTMLSpaces(address))) |
| return true; |
| } |
| return false; |
| } |
| |
| bool EmailInputType::typeMismatch() const |
| { |
| ASSERT(element()); |
| return typeMismatchFor(element()->value()); |
| } |
| |
| String EmailInputType::typeMismatchText() const |
| { |
| ASSERT(element()); |
| return element()->multiple() ? validationMessageTypeMismatchForMultipleEmailText() : validationMessageTypeMismatchForEmailText(); |
| } |
| |
| bool EmailInputType::isEmailField() const |
| { |
| return true; |
| } |
| |
| bool EmailInputType::supportsSelectionAPI() const |
| { |
| return false; |
| } |
| |
| String EmailInputType::sanitizeValue(const String& proposedValue) const |
| { |
| String noLineBreakValue = proposedValue.removeCharacters(isHTMLLineBreak); |
| ASSERT(element()); |
| if (!element()->multiple()) |
| return stripLeadingAndTrailingHTMLSpaces(noLineBreakValue); |
| Vector<String> addresses = noLineBreakValue.splitAllowingEmptyEntries(','); |
| StringBuilder strippedValue; |
| for (unsigned i = 0; i < addresses.size(); ++i) { |
| if (i > 0) |
| strippedValue.append(','); |
| strippedValue.append(stripLeadingAndTrailingHTMLSpaces(addresses[i])); |
| } |
| return strippedValue.toString(); |
| } |
| |
| } // namespace WebCore |