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Diffstat (limited to 'chromium/components/autofill/core/browser/validation.cc')
| -rw-r--r-- | chromium/components/autofill/core/browser/validation.cc | 220 |
1 files changed, 0 insertions, 220 deletions
diff --git a/chromium/components/autofill/core/browser/validation.cc b/chromium/components/autofill/core/browser/validation.cc deleted file mode 100644 index b4b3a5e3f89..00000000000 --- a/chromium/components/autofill/core/browser/validation.cc +++ /dev/null @@ -1,220 +0,0 @@ -// Copyright 2013 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -#include "components/autofill/core/browser/validation.h" - -#include "base/strings/string_number_conversions.h" -#include "base/strings/string_piece.h" -#include "base/strings/string_util.h" -#include "base/strings/utf_string_conversions.h" -#include "base/time/time.h" -#include "components/autofill/core/browser/autofill_regexes.h" -#include "components/autofill/core/browser/credit_card.h" -#include "components/autofill/core/browser/state_names.h" - -using base::StringPiece16; - -namespace { - -// The separator characters for SSNs. -const char16 kSSNSeparators[] = {' ', '-', 0}; - -} // namespace - -namespace autofill { - -bool IsValidCreditCardExpirationDate(const base::string16& year, - const base::string16& month, - const base::Time& now) { - base::string16 year_cleaned, month_cleaned; - TrimWhitespace(year, TRIM_ALL, &year_cleaned); - TrimWhitespace(month, TRIM_ALL, &month_cleaned); - if (year_cleaned.length() != 4) - return false; - - int cc_year; - if (!base::StringToInt(year_cleaned, &cc_year)) - return false; - - int cc_month; - if (!base::StringToInt(month_cleaned, &cc_month)) - return false; - - return IsValidCreditCardExpirationDate(cc_year, cc_month, now); -} - -bool IsValidCreditCardExpirationDate(int year, - int month, - const base::Time& now) { - base::Time::Exploded now_exploded; - now.LocalExplode(&now_exploded); - - if (year < now_exploded.year) - return false; - - if (year == now_exploded.year && month < now_exploded.month) - return false; - - return true; -} - -bool IsValidCreditCardNumber(const base::string16& text) { - base::string16 number = CreditCard::StripSeparators(text); - - // Credit card numbers are at most 19 digits in length [1]. 12 digits seems to - // be a fairly safe lower-bound [2]. Specific card issuers have more rigidly - // defined sizes. - // [1] http://www.merriampark.com/anatomycc.htm - // [2] http://en.wikipedia.org/wiki/Bank_card_number - const std::string type = CreditCard::GetCreditCardType(text); - if (type == kAmericanExpressCard && number.size() != 15) - return false; - if (type == kDinersCard && number.size() != 14) - return false; - if (type == kDiscoverCard && number.size() != 16) - return false; - if (type == kJCBCard && number.size() != 16) - return false; - if (type == kMasterCard && number.size() != 16) - return false; - if (type == kUnionPay && (number.size() < 16 || number.size() > 19)) - return false; - if (type == kVisaCard && number.size() != 13 && number.size() != 16) - return false; - if (type == kGenericCard && (number.size() < 12 || number.size() > 19)) - return false; - - // Unlike all the other supported types, UnionPay cards lack Luhn checksum - // validation. - if (type == kUnionPay) - return true; - - // Use the Luhn formula [3] to validate the number. - // [3] http://en.wikipedia.org/wiki/Luhn_algorithm - int sum = 0; - bool odd = false; - for (base::string16::reverse_iterator iter = number.rbegin(); - iter != number.rend(); - ++iter) { - if (!IsAsciiDigit(*iter)) - return false; - - int digit = *iter - '0'; - if (odd) { - digit *= 2; - sum += digit / 10 + digit % 10; - } else { - sum += digit; - } - odd = !odd; - } - - return (sum % 10) == 0; -} - -bool IsValidCreditCardSecurityCode(const base::string16& text) { - if (text.size() < 3U || text.size() > 4U) - return false; - - for (base::string16::const_iterator iter = text.begin(); - iter != text.end(); - ++iter) { - if (!IsAsciiDigit(*iter)) - return false; - } - return true; -} - -bool IsValidCreditCardSecurityCode(const base::string16& code, - const base::string16& number) { - CreditCard card; - card.SetRawInfo(CREDIT_CARD_NUMBER, number); - size_t required_length = 3; - if (card.type() == kAmericanExpressCard) - required_length = 4; - - return code.length() == required_length; -} - -bool IsValidEmailAddress(const base::string16& text) { - // E-Mail pattern as defined by the WhatWG. (4.10.7.1.5 E-Mail state) - const base::string16 kEmailPattern = ASCIIToUTF16( - "^[a-zA-Z0-9.!#$%&'*+/=?^_`{|}~-]+@" - "[a-zA-Z0-9-]+(?:\\.[a-zA-Z0-9-]+)*$"); - return MatchesPattern(text, kEmailPattern); -} - -bool IsValidState(const base::string16& text) { - return !state_names::GetAbbreviationForName(text).empty() || - !state_names::GetNameForAbbreviation(text).empty(); -} - -bool IsValidZip(const base::string16& text) { - const base::string16 kZipPattern = ASCIIToUTF16("^\\d{5}(-\\d{4})?$"); - return MatchesPattern(text, kZipPattern); -} - -bool IsSSN(const base::string16& text) { - base::string16 number_string; - base::RemoveChars(text, kSSNSeparators, &number_string); - - // A SSN is of the form AAA-GG-SSSS (A = area number, G = group number, S = - // serial number). The validation we do here is simply checking if the area, - // group, and serial numbers are valid. - // - // Historically, the area number was assigned per state, with the group number - // ascending in an alternating even/odd sequence. With that scheme it was - // possible to check for validity by referencing a table that had the highest - // group number assigned for a given area number. (This was something that - // Chromium never did though, because the "high group" values were constantly - // changing.) - // - // However, starting on 25 June 2011 the SSA began issuing SSNs randomly from - // all areas and groups. Group numbers and serial numbers of zero remain - // invalid, and areas 000, 666, and 900-999 remain invalid. - // - // References for current practices: - // http://www.socialsecurity.gov/employer/randomization.html - // http://www.socialsecurity.gov/employer/randomizationfaqs.html - // - // References for historic practices: - // http://www.socialsecurity.gov/history/ssn/geocard.html - // http://www.socialsecurity.gov/employer/stateweb.htm - // http://www.socialsecurity.gov/employer/ssnvhighgroup.htm - - if (number_string.length() != 9 || !IsStringASCII(number_string)) - return false; - - int area; - if (!base::StringToInt(StringPiece16(number_string.begin(), - number_string.begin() + 3), - &area)) { - return false; - } - if (area < 1 || - area == 666 || - area >= 900) { - return false; - } - - int group; - if (!base::StringToInt(StringPiece16(number_string.begin() + 3, - number_string.begin() + 5), - &group) - || group == 0) { - return false; - } - - int serial; - if (!base::StringToInt(StringPiece16(number_string.begin() + 5, - number_string.begin() + 9), - &serial) - || serial == 0) { - return false; - } - - return true; -} - -} // namespace autofill |