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gecko-dev/toolkit/components/formautofill/FormAutofillNative.cpp

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
/* 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/. */
#include "FormAutofillNative.h"
#include <math.h>
#include "mozilla/ClearOnShutdown.h"
#include "mozilla/ComputedStyle.h"
#include "mozilla/dom/AutocompleteInfoBinding.h"
#include "mozilla/dom/Document.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/HTMLInputElement.h"
#include "mozilla/dom/HTMLLabelElement.h"
#include "mozilla/dom/HTMLOptionElement.h"
#include "mozilla/dom/HTMLSelectElement.h"
#include "mozilla/HashTable.h"
#include "mozilla/RustRegex.h"
#include "nsContentUtils.h"
#include "nsIFrame.h"
#include "nsIFrameInlines.h"
#include "nsLayoutUtils.h"
#include "nsTStringHasher.h"
#include "mozilla/StaticPtr.h"
namespace mozilla::dom {
static const char kWhitespace[] = "\b\t\r\n ";
enum class RegexKey : uint8_t {
CC_NAME,
CC_NUMBER,
CC_EXP,
CC_EXP_MONTH,
CC_EXP_YEAR,
CC_TYPE,
MM_MONTH,
YY_OR_YYYY,
MONTH,
YEAR,
MMYY,
VISA_CHECKOUT,
CREDIT_CARD_NETWORK,
CREDIT_CARD_NETWORK_EXACT_MATCH,
CREDIT_CARD_NETWORK_LONG,
TWO_OR_FOUR_DIGIT_YEAR,
DWFRM,
BML,
TEMPLATED_VALUE,
FIRST,
LAST,
GIFT,
SUBSCRIPTION,
VALIDATION,
Count
};
// We don't follow the coding style (naming start with capital letter) here and
// the following CCXXX enum class because we want to sync the rule naming with
// the JS implementation.
enum class CCNumberParams : uint8_t {
idOrNameMatchNumberRegExp,
labelsMatchNumberRegExp,
closestLabelMatchesNumberRegExp,
placeholderMatchesNumberRegExp,
ariaLabelMatchesNumberRegExp,
idOrNameMatchGift,
labelsMatchGift,
placeholderMatchesGift,
ariaLabelMatchesGift,
idOrNameMatchSubscription,
idOrNameMatchDwfrmAndBml,
hasTemplatedValue,
inputTypeNotNumbery,
Count,
};
enum class CCNameParams : uint8_t {
idOrNameMatchNameRegExp,
labelsMatchNameRegExp,
closestLabelMatchesNameRegExp,
placeholderMatchesNameRegExp,
ariaLabelMatchesNameRegExp,
idOrNameMatchFirst,
labelsMatchFirst,
placeholderMatchesFirst,
ariaLabelMatchesFirst,
idOrNameMatchLast,
labelsMatchLast,
placeholderMatchesLast,
ariaLabelMatchesLast,
idOrNameMatchFirstAndLast,
idOrNameMatchSubscription,
idOrNameMatchDwfrmAndBml,
hasTemplatedValue,
Count,
};
enum class CCTypeParams : uint8_t {
idOrNameMatchTypeRegExp,
labelsMatchTypeRegExp,
closestLabelMatchesTypeRegExp,
idOrNameMatchVisaCheckout,
ariaLabelMatchesVisaCheckout,
isSelectWithCreditCardOptions,
isRadioWithCreditCardText,
idOrNameMatchSubscription,
idOrNameMatchDwfrmAndBml,
hasTemplatedValue,
Count,
};
enum class CCExpParams : uint8_t {
labelsMatchExpRegExp,
closestLabelMatchesExpRegExp,
placeholderMatchesExpRegExp,
labelsMatchExpWith2Or4DigitYear,
placeholderMatchesExpWith2Or4DigitYear,
labelsMatchMMYY,
placeholderMatchesMMYY,
maxLengthIs7,
idOrNameMatchSubscription,
idOrNameMatchDwfrmAndBml,
hasTemplatedValue,
isExpirationMonthLikely,
isExpirationYearLikely,
idOrNameMatchMonth,
idOrNameMatchYear,
idOrNameMatchExpMonthRegExp,
idOrNameMatchExpYearRegExp,
idOrNameMatchValidation,
Count,
};
enum class CCExpMonthParams : uint8_t {
idOrNameMatchExpMonthRegExp,
labelsMatchExpMonthRegExp,
closestLabelMatchesExpMonthRegExp,
placeholderMatchesExpMonthRegExp,
ariaLabelMatchesExpMonthRegExp,
idOrNameMatchMonth,
labelsMatchMonth,
placeholderMatchesMonth,
ariaLabelMatchesMonth,
nextFieldIdOrNameMatchExpYearRegExp,
nextFieldLabelsMatchExpYearRegExp,
nextFieldPlaceholderMatchExpYearRegExp,
nextFieldAriaLabelMatchExpYearRegExp,
nextFieldIdOrNameMatchYear,
nextFieldLabelsMatchYear,
nextFieldPlaceholderMatchesYear,
nextFieldAriaLabelMatchesYear,
nextFieldMatchesExpYearAutocomplete,
isExpirationMonthLikely,
nextFieldIsExpirationYearLikely,
maxLengthIs2,
placeholderMatchesMM,
roleIsMenu,
idOrNameMatchSubscription,
idOrNameMatchDwfrmAndBml,
hasTemplatedValue,
Count,
};
enum class CCExpYearParams : uint8_t {
idOrNameMatchExpYearRegExp,
labelsMatchExpYearRegExp,
closestLabelMatchesExpYearRegExp,
placeholderMatchesExpYearRegExp,
ariaLabelMatchesExpYearRegExp,
idOrNameMatchYear,
labelsMatchYear,
placeholderMatchesYear,
ariaLabelMatchesYear,
previousFieldIdOrNameMatchExpMonthRegExp,
previousFieldLabelsMatchExpMonthRegExp,
previousFieldPlaceholderMatchExpMonthRegExp,
previousFieldAriaLabelMatchExpMonthRegExp,
previousFieldIdOrNameMatchMonth,
previousFieldLabelsMatchMonth,
previousFieldPlaceholderMatchesMonth,
previousFieldAriaLabelMatchesMonth,
previousFieldMatchesExpMonthAutocomplete,
isExpirationYearLikely,
previousFieldIsExpirationMonthLikely,
placeholderMatchesYYOrYYYY,
roleIsMenu,
idOrNameMatchSubscription,
idOrNameMatchDwfrmAndBml,
hasTemplatedValue,
Count,
};
struct AutofillParams {
EnumeratedArray<CCNumberParams, double, size_t(CCNumberParams::Count)>
mCCNumberParams;
EnumeratedArray<CCNameParams, double, size_t(CCNameParams::Count)>
mCCNameParams;
EnumeratedArray<CCTypeParams, double, size_t(CCTypeParams::Count)>
mCCTypeParams;
EnumeratedArray<CCExpParams, double, size_t(CCExpParams::Count)> mCCExpParams;
EnumeratedArray<CCExpMonthParams, double, size_t(CCExpMonthParams::Count)>
mCCExpMonthParams;
EnumeratedArray<CCExpYearParams, double, size_t(CCExpYearParams::Count)>
mCCExpYearParams;
};
// clang-format off
constexpr AutofillParams kCoefficents{
.mCCNumberParams = {
/* idOrNameMatchNumberRegExp */ 7.679469585418701,
/* labelsMatchNumberRegExp */ 5.122580051422119,
/* closestLabelMatchesNumberRegExp */ 2.1256935596466064,
/* placeholderMatchesNumberRegExp */ 9.471800804138184,
/* ariaLabelMatchesNumberRegExp */ 6.067715644836426,
/* idOrNameMatchGift */ -22.946273803710938,
/* labelsMatchGift */ -7.852959632873535,
/* placeholderMatchesGift */ -2.355496406555176,
/* ariaLabelMatchesGift */ -2.940307855606079,
/* idOrNameMatchSubscription */ 0.11255314946174622,
/* idOrNameMatchDwfrmAndBml */ -0.0006645023822784424,
/* hasTemplatedValue */ -0.11370040476322174,
/* inputTypeNotNumbery */ -3.750155210494995
},
.mCCNameParams = {
/* idOrNameMatchNameRegExp */ 7.496212959289551,
/* labelsMatchNameRegExp */ 6.081472873687744,
/* closestLabelMatchesNameRegExp */ 2.600574254989624,
/* placeholderMatchesNameRegExp */ 5.750874042510986,
/* ariaLabelMatchesNameRegExp */ 5.162227153778076,
/* idOrNameMatchFirst */ -6.742659091949463,
/* labelsMatchFirst */ -0.5234538912773132,
/* placeholderMatchesFirst */ -3.4615235328674316,
/* ariaLabelMatchesFirst */ -1.3145145177841187,
/* idOrNameMatchLast */ -12.561869621276855,
/* labelsMatchLast */ -0.27417105436325073,
/* placeholderMatchesLast */ -1.434966802597046,
/* ariaLabelMatchesLast */ -2.9319725036621094,
/* idOrNameMatchFirstAndLast */ 24.123435974121094,
/* idOrNameMatchSubscription */ 0.08349418640136719,
/* idOrNameMatchDwfrmAndBml */ 0.01882520318031311,
/* hasTemplatedValue */ 0.182317852973938
},
.mCCTypeParams = {
/* idOrNameMatchTypeRegExp */ 2.0581533908843994,
/* labelsMatchTypeRegExp */ 1.0784518718719482,
/* closestLabelMatchesTypeRegExp */ 0.6995877623558044,
/* idOrNameMatchVisaCheckout */ -3.320356845855713,
/* ariaLabelMatchesVisaCheckout */ -3.4196767807006836,
/* isSelectWithCreditCardOptions */ 10.337477684020996,
/* isRadioWithCreditCardText */ 4.530318737030029,
/* idOrNameMatchSubscription */ -3.7206356525421143,
/* idOrNameMatchDwfrmAndBml */ -0.08782318234443665,
/* hasTemplatedValue */ 0.1772511601448059
},
.mCCExpParams = {
/* labelsMatchExpRegExp */ 7.588159561157227,
/* closestLabelMatchesExpRegExp */ 1.41484534740448,
/* placeholderMatchesExpRegExp */ 8.759064674377441,
/* labelsMatchExpWith2Or4DigitYear */ -3.876218795776367,
/* placeholderMatchesExpWith2Or4DigitYear */ 2.8364884853363037,
/* labelsMatchMMYY */ 8.836017608642578,
/* placeholderMatchesMMYY */ -0.5231751799583435,
/* maxLengthIs7 */ 1.3565447330474854,
/* idOrNameMatchSubscription */ 0.1779913753271103,
/* idOrNameMatchDwfrmAndBml */ 0.21037884056568146,
/* hasTemplatedValue */ 0.14900512993335724,
/* isExpirationMonthLikely */ -3.223409652709961,
/* isExpirationYearLikely */ -2.536919593811035,
/* idOrNameMatchMonth */ -3.6893014907836914,
/* idOrNameMatchYear */ -3.108184337615967,
/* idOrNameMatchExpMonthRegExp */ -2.264357089996338,
/* idOrNameMatchExpYearRegExp */ -2.7957723140716553,
/* idOrNameMatchValidation */ -2.29402756690979
},
.mCCExpMonthParams = {
/* idOrNameMatchExpMonthRegExp */ 0.2787344455718994,
/* labelsMatchExpMonthRegExp */ 1.298413634300232,
/* closestLabelMatchesExpMonthRegExp */ -11.206244468688965,
/* placeholderMatchesExpMonthRegExp */ 1.2605619430541992,
/* ariaLabelMatchesExpMonthRegExp */ 1.1330018043518066,
/* idOrNameMatchMonth */ 6.1464314460754395,
/* labelsMatchMonth */ 0.7051732540130615,
/* placeholderMatchesMonth */ 0.7463492751121521,
/* ariaLabelMatchesMonth */ 1.8244760036468506,
/* nextFieldIdOrNameMatchExpYearRegExp */ 0.06347066164016724,
/* nextFieldLabelsMatchExpYearRegExp */ -0.1692247837781906,
/* nextFieldPlaceholderMatchExpYearRegExp */ 1.0434566736221313,
/* nextFieldAriaLabelMatchExpYearRegExp */ 1.751156210899353,
/* nextFieldIdOrNameMatchYear */ -0.532447338104248,
/* nextFieldLabelsMatchYear */ 1.3248541355133057,
/* nextFieldPlaceholderMatchesYear */ 0.604235827922821,
/* nextFieldAriaLabelMatchesYear */ 1.5364223718643188,
/* nextFieldMatchesExpYearAutocomplete */ 6.285938262939453,
/* isExpirationMonthLikely */ 13.117807388305664,
/* nextFieldIsExpirationYearLikely */ 7.182341575622559,
/* maxLengthIs2 */ 4.477289199829102,
/* placeholderMatchesMM */ 14.403288841247559,
/* roleIsMenu */ 5.770959854125977,
/* idOrNameMatchSubscription */ -0.043085768818855286,
/* idOrNameMatchDwfrmAndBml */ 0.02823038399219513,
/* hasTemplatedValue */ 0.07234494388103485
},
.mCCExpYearParams = {
/* idOrNameMatchExpYearRegExp */ 5.426016807556152,
/* labelsMatchExpYearRegExp */ 1.3240209817886353,
/* closestLabelMatchesExpYearRegExp */ -8.702284812927246,
/* placeholderMatchesExpYearRegExp */ 0.9059725999832153,
/* ariaLabelMatchesExpYearRegExp */ 0.5550334453582764,
/* idOrNameMatchYear */ 5.362994194030762,
/* labelsMatchYear */ 2.7185044288635254,
/* placeholderMatchesYear */ 0.7883157134056091,
/* ariaLabelMatchesYear */ 0.311492383480072,
/* previousFieldIdOrNameMatchExpMonthRegExp */ 1.8155208826065063,
/* previousFieldLabelsMatchExpMonthRegExp */ -0.46133187413215637,
/* previousFieldPlaceholderMatchExpMonthRegExp */ 1.0374903678894043,
/* previousFieldAriaLabelMatchExpMonthRegExp */ -0.5901495814323425,
/* previousFieldIdOrNameMatchMonth */ -5.960310935974121,
/* previousFieldLabelsMatchMonth */ 0.6495584845542908,
/* previousFieldPlaceholderMatchesMonth */ 0.7198042273521423,
/* previousFieldAriaLabelMatchesMonth */ 3.4590985774993896,
/* previousFieldMatchesExpMonthAutocomplete */ 2.986003875732422,
/* isExpirationYearLikely */ 4.021566390991211,
/* previousFieldIsExpirationMonthLikely */ 9.298635482788086,
/* placeholderMatchesYYOrYYYY */ 10.457176208496094,
/* roleIsMenu */ 1.1051956415176392,
/* idOrNameMatchSubscription */ 0.000688597559928894,
/* idOrNameMatchDwfrmAndBml */ 0.15687309205532074,
/* hasTemplatedValue */ -0.19141331315040588
}
};
// clang-format off
constexpr float kCCNumberBias = -4.948795795440674;
constexpr float kCCNameBias = -5.3578081130981445;
// Comment out code that are not used right now
/*
constexpr float kCCTypeBias = -5.979659557342529;
constexpr float kCCExpBias = -5.849575996398926;
constexpr float kCCExpMonthBias = -8.844199180603027;
constexpr float kCCExpYearBias = -6.499860763549805;
*/
struct Rule {
RegexKey key;
const char* pattern;
};
const Rule kFirefoxRules[] = {
{RegexKey::MM_MONTH, "^mm$|\\(mm\\)"},
{RegexKey::YY_OR_YYYY, "^(yy|yyyy)$|\\(yy\\)|\\(yyyy\\)"},
{RegexKey::MONTH, "month"},
{RegexKey::YEAR, "year"},
{RegexKey::MMYY, "mm\\s*(/|\\\\)\\s*yy"},
{RegexKey::VISA_CHECKOUT, "visa(-|\\s)checkout"},
// This should be a union of NETWORK_NAMES in CreditCard.sys.mjs
{RegexKey::CREDIT_CARD_NETWORK_LONG,
"american express|master card|union pay"},
// Please also update CREDIT_CARD_NETWORK_EXACT_MATCH while updating
// CREDIT_CARD_NETWORK
{RegexKey::CREDIT_CARD_NETWORK,
"amex|cartebancaire|diners|discover|jcb|mastercard|mir|unionpay|visa"},
{RegexKey::CREDIT_CARD_NETWORK_EXACT_MATCH,
"^\\s*(?:amex|cartebancaire|diners|discover|jcb|mastercard|mir|unionpay|"
"visa)\\s*$"},
{RegexKey::TWO_OR_FOUR_DIGIT_YEAR,
"(?:exp.*date[^y\\\\n\\\\r]*|mm\\\\s*[-/]?\\\\s*)yy(?:yy)?(?:[^y]|$)"},
{RegexKey::DWFRM, "^dwfrm"},
{RegexKey::BML, "BML"},
{RegexKey::TEMPLATED_VALUE, "^\\{\\{.*\\}\\}$"},
{RegexKey::FIRST, "first"},
{RegexKey::LAST, "last"},
{RegexKey::GIFT, "gift"},
{RegexKey::SUBSCRIPTION, "subscription"},
{RegexKey::VALIDATION, "validate|validation"},
};
// These are the rules used by Bitwarden [0], converted into RegExp form.
// [0]
// https://github.com/bitwarden/browser/blob/c2b8802201fac5e292d55d5caf3f1f78088d823c/src/services/autofill.service.ts#L436
const Rule kCreditCardRules[] = {
/* eslint-disable */
// Let us keep our consistent wrapping.
{RegexKey::CC_NAME,
// Firefox-specific rules
"account.*holder.*name"
"|^(credit[-\\s]?card|card).*name"
// de-DE
"|^(kredit)?(karten|konto)inhaber"
"|^(name).*karte"
// fr-FR
"|nom.*(titulaire|détenteur)"
"|(titulaire|détenteur).*(carte)"
// it-IT
"|titolare.*carta"
// pl-PL
"|posiadacz.*karty"
// es-ES
"|nombre.*(titular|tarjeta)"
// nl-NL
"|naam.*op.*kaart"
// Rules from Bitwarden
"|cc-?name"
"|card-?name"
"|cardholder-?name"
"|(^nom$)"
// Rules are from Chromium source codes
"|card.?(?:holder|owner)|name.*(\\b)?on(\\b)?.*card"
"|(?:card|cc).?name|cc.?full.?name"
"|(?:card|cc).?owner"
"|nom.*carte" // fr-FR
"|nome.*cart" // it-IT
"|名前" // ja-JP
"|Имя.*карты" // ru
"|信用卡开户名|开户名|持卡人姓名" // zh-CN
"|持卡人姓名"}, // zh-TW
/* eslint-enable */
{RegexKey::CC_NUMBER,
// Firefox-specific rules
// de-DE
"(cc|kk)nr"
"|(kredit)?(karten)(nummer|nr)"
// it-IT
"|numero.*carta"
// fr-FR
"|(numero|número|numéro).*(carte)"
// pl-PL
"|numer.*karty"
// es-ES
"|(número|numero).*tarjeta"
// nl-NL
"|kaartnummer"
// Rules from Bitwarden
"|cc-?number"
"|cc-?num"
"|card-?number"
"|card-?num"
"|cc-?no"
"|card-?no"
"|numero-?carte"
"|num-?carte"
"|cb-?num"
// Rules are from Chromium source codes
"|(add)?(?:card|cc|acct).?(?:number|#|no|num)"
"|カード番号" // ja-JP
"|Номер.*карты" // ru
"|信用卡号|信用卡号码" // zh-CN
"|信用卡卡號" // zh-TW
"|카드"}, // ko-KR
{RegexKey::CC_EXP,
// Firefox-specific rules
"mm\\s*(/|\\|-)\\s*(yy|jj|aa)"
"|(month|mois)\\s*(/|\\|-|et)\\s*(year|année)"
// de-DE
// fr-FR
// Rules from Bitwarden
"|(^cc-?exp$)"
"|(^card-?exp$)"
"|(^cc-?expiration$)"
"|(^card-?expiration$)"
"|(^cc-?ex$)"
"|(^card-?ex$)"
"|(^card-?expire$)"
"|(^card-?expiry$)"
"|(^validite$)"
"|(^expiration$)"
"|(^expiry$)"
"|mm-?yy"
"|mm-?yyyy"
"|yy-?mm"
"|yyyy-?mm"
"|expiration-?date"
"|payment-?card-?expiration"
"|(^payment-?cc-?date$)"
// Rules are from Chromium source codes
"|expir|exp.*date|^expfield$"
"|ablaufdatum|gueltig|gültig" // de-DE
"|fecha" // es
"|date.*exp" // fr-FR
"|scadenza" // it-IT
"|有効期限" // ja-JP
"|validade" // pt-BR, pt-PT
"|Срок действия карты"}, // ru
{RegexKey::CC_EXP_MONTH,
// Firefox-specific rules
"(cc|kk)month" // de-DE
// Rules from Bitwarden
"|(^exp-?month$)"
"|(^cc-?exp-?month$)"
"|(^cc-?month$)"
"|(^card-?month$)"
"|(^cc-?mo$)"
"|(^card-?mo$)"
"|(^exp-?mo$)"
"|(^card-?exp-?mo$)"
"|(^cc-?exp-?mo$)"
"|(^card-?expiration-?month$)"
"|(^expiration-?month$)"
"|(^cc-?mm$)"
"|(^cc-?m$)"
"|(^card-?mm$)"
"|(^card-?m$)"
"|(^card-?exp-?mm$)"
"|(^cc-?exp-?mm$)"
"|(^exp-?mm$)"
"|(^exp-?m$)"
"|(^expire-?month$)"
"|(^expire-?mo$)"
"|(^expiry-?month$)"
"|(^expiry-?mo$)"
"|(^card-?expire-?month$)"
"|(^card-?expire-?mo$)"
"|(^card-?expiry-?month$)"
"|(^card-?expiry-?mo$)"
"|(^mois-?validite$)"
"|(^mois-?expiration$)"
"|(^m-?validite$)"
"|(^m-?expiration$)"
"|(^expiry-?date-?field-?month$)"
"|(^expiration-?date-?month$)"
"|(^expiration-?date-?mm$)"
"|(^exp-?mon$)"
"|(^validity-?mo$)"
"|(^exp-?date-?mo$)"
"|(^cb-?date-?mois$)"
"|(^date-?m$)"
// Rules are from Chromium source codes
"|exp.*mo|ccmonth|cardmonth|addmonth"
"|monat" // de-DE
// "|fecha" // es
// "|date.*exp" // fr-FR
// "|scadenza" // it-IT
// "|有効期限" // ja-JP
// "|validade" // pt-BR, pt-PT
// "|Срок действия карты" // ru
"|月"}, // zh-CN
{RegexKey::CC_EXP_YEAR,
// Firefox-specific rules
"(cc|kk)year" // de-DE
// Rules from Bitwarden
"|(^exp-?year$)"
"|(^cc-?exp-?year$)"
"|(^cc-?year$)"
"|(^card-?year$)"
"|(^cc-?yr$)"
"|(^card-?yr$)"
"|(^exp-?yr$)"
"|(^card-?exp-?yr$)"
"|(^cc-?exp-?yr$)"
"|(^card-?expiration-?year$)"
"|(^expiration-?year$)"
"|(^cc-?yy$)"
"|(^cc-?y$)"
"|(^card-?yy$)"
"|(^card-?y$)"
"|(^card-?exp-?yy$)"
"|(^cc-?exp-?yy$)"
"|(^exp-?yy$)"
"|(^exp-?y$)"
"|(^cc-?yyyy$)"
"|(^card-?yyyy$)"
"|(^card-?exp-?yyyy$)"
"|(^cc-?exp-?yyyy$)"
"|(^expire-?year$)"
"|(^expire-?yr$)"
"|(^expiry-?year$)"
"|(^expiry-?yr$)"
"|(^card-?expire-?year$)"
"|(^card-?expire-?yr$)"
"|(^card-?expiry-?year$)"
"|(^card-?expiry-?yr$)"
"|(^an-?validite$)"
"|(^an-?expiration$)"
"|(^annee-?validite$)"
"|(^annee-?expiration$)"
"|(^expiry-?date-?field-?year$)"
"|(^expiration-?date-?year$)"
"|(^cb-?date-?ann$)"
"|(^expiration-?date-?yy$)"
"|(^expiration-?date-?yyyy$)"
"|(^validity-?year$)"
"|(^exp-?date-?year$)"
"|(^date-?y$)"
// Rules are from Chromium source codes
"|(add)?year"
"|jahr" // de-DE
// "|fecha" // es
// "|scadenza" // it-IT
// "|有効期限" // ja-JP
// "|validade" // pt-BR, pt-PT
// "|Срок действия карты" // ru
"|年|有效期"}, // zh-CN
{RegexKey::CC_TYPE,
// Firefox-specific rules
"type"
// de-DE
"|Kartenmarke"
// Rules from Bitwarden
"|(^cc-?type$)"
"|(^card-?type$)"
"|(^card-?brand$)"
"|(^cc-?brand$)"
"|(^cb-?type$)"},
// Rules are from Chromium source codes
};
static double Sigmoid(double x) { return 1.0 / (1.0 + exp(-x)); }
class FormAutofillImpl {
public:
FormAutofillImpl();
void GetFormAutofillConfidences(
GlobalObject& aGlobal, const Sequence<OwningNonNull<Element>>& aElements,
nsTArray<FormAutofillConfidences>& aResults, ErrorResult& aRv);
private:
const RustRegex& GetRegex(RegexKey key);
bool StringMatchesRegExp(const nsACString& str, RegexKey key);
bool StringMatchesRegExp(const nsAString& str, RegexKey key);
bool TextContentMatchesRegExp(Element& element, RegexKey key);
size_t CountRegExpMatches(const nsACString& str, RegexKey key);
size_t CountRegExpMatches(const nsAString& str, RegexKey key);
bool IdOrNameMatchRegExp(Element& element, RegexKey key);
bool NextFieldMatchesExpYearAutocomplete(Element* aNextField);
bool PreviousFieldMatchesExpMonthAutocomplete(Element* aPrevField);
bool LabelMatchesRegExp(Element& element, const nsTArray<nsCString>* labels,
RegexKey key);
bool ClosestLabelMatchesRegExp(Element& aElement, RegexKey aKey);
bool PlaceholderMatchesRegExp(Element& element, RegexKey key);
bool AriaLabelMatchesRegExp(Element& element, RegexKey key);
bool AutocompleteStringMatches(Element& aElement, const nsAString& aKey);
bool HasTemplatedValue(Element& element);
bool MaxLengthIs(Element& aElement, int32_t aValue);
bool IsExpirationMonthLikely(Element& element);
bool IsExpirationYearLikely(Element& element);
bool InputTypeNotNumbery(Element& element);
bool IsSelectWithCreditCardOptions(Element& element);
bool IsRadioWithCreditCardText(Element& element,
const nsTArray<nsCString>* labels,
ErrorResult& aRv);
bool MatchesExpYearAutocomplete(Element& element);
bool RoleIsMenu(Element& element);
Element* FindRootForField(Element* aElement);
Element* FindField(const Sequence<OwningNonNull<Element>>& aElements,
uint32_t aStartIndex, int8_t aDirection);
Element* NextField(const Sequence<OwningNonNull<Element>>& aElements,
uint32_t aStartIndex);
Element* PrevField(const Sequence<OwningNonNull<Element>>& aElements,
uint32_t aStartIndex);
// Array contains regular expressions to match the corresponding
// field. Ex, CC number, CC type, etc.
using RegexStringArray =
EnumeratedArray<RegexKey, nsCString, size_t(RegexKey::Count)>;
RegexStringArray mRuleMap;
// Array that holds RegexWrapper that created by regex::ffi::regex_new
using RegexWrapperArray = EnumeratedArray<RegexKey, RustRegex, size_t(RegexKey::Count)>;
RegexWrapperArray mRegexes;
};
FormAutofillImpl::FormAutofillImpl() {
const Rule* rulesets[] = {&kFirefoxRules[0], &kCreditCardRules[0]};
size_t rulesetLengths[] = {ArrayLength(kFirefoxRules),
ArrayLength(kCreditCardRules)};
for (uint32_t i = 0; i < ArrayLength(rulesetLengths); ++i) {
for (uint32_t j = 0; j < rulesetLengths[i]; ++j) {
nsCString& rule = mRuleMap[rulesets[i][j].key];
if (!rule.IsEmpty()) {
rule.Append("|");
}
rule.Append(rulesets[i][j].pattern);
}
}
}
const RustRegex& FormAutofillImpl::GetRegex(RegexKey aKey) {
if (!mRegexes[aKey]) {
RustRegex regex(mRuleMap[aKey], RustRegexOptions().CaseInsensitive(true));
MOZ_DIAGNOSTIC_ASSERT(regex);
mRegexes[aKey] = std::move(regex);
}
return mRegexes[aKey];
}
bool FormAutofillImpl::StringMatchesRegExp(const nsACString& aStr,
RegexKey aKey) {
return GetRegex(aKey).IsMatch(aStr);
}
bool FormAutofillImpl::StringMatchesRegExp(const nsAString& aStr,
RegexKey aKey) {
return StringMatchesRegExp(NS_ConvertUTF16toUTF8(aStr), aKey);
}
bool FormAutofillImpl::TextContentMatchesRegExp(Element& element,
RegexKey key) {
ErrorResult rv;
nsAutoString text;
element.GetTextContent(text, rv);
if (rv.Failed()) {
return false;
}
return StringMatchesRegExp(text, key);
}
size_t FormAutofillImpl::CountRegExpMatches(const nsACString& aStr,
RegexKey aKey) {
return GetRegex(aKey).CountMatches(aStr);
}
size_t FormAutofillImpl::CountRegExpMatches(const nsAString& aStr,
RegexKey aKey) {
return CountRegExpMatches(NS_ConvertUTF16toUTF8(aStr), aKey);
}
bool FormAutofillImpl::NextFieldMatchesExpYearAutocomplete(
Element* aNextField) {
return AutocompleteStringMatches(*aNextField, u"cc-exp-year"_ns);
}
bool FormAutofillImpl::PreviousFieldMatchesExpMonthAutocomplete(
Element* aPrevField) {
return AutocompleteStringMatches(*aPrevField, u"cc-exp-month"_ns);
}
bool FormAutofillImpl::IdOrNameMatchRegExp(Element& aElement, RegexKey key) {
nsAutoString str;
aElement.GetId(str);
if (StringMatchesRegExp(str, key)) {
return true;
}
aElement.GetAttr(nsGkAtoms::name, str);
return StringMatchesRegExp(str, key);
}
bool FormAutofillImpl::LabelMatchesRegExp(
Element& aElement, const nsTArray<nsCString>* labelStrings, RegexKey key) {
if (labelStrings) {
for (const auto& str : *labelStrings) {
if (StringMatchesRegExp(str, key)) {
return true;
}
}
}
Element* parent = aElement.GetParentElement();
if (!parent) {
return false;
}
ErrorResult aRv;
if (parent->IsHTMLElement(nsGkAtoms::td)) {
Element* pp = parent->GetParentElement();
if (pp) {
return TextContentMatchesRegExp(*pp, key);
}
}
if (parent->IsHTMLElement(nsGkAtoms::td)) {
Element* pes = aElement.GetPreviousElementSibling();
if (pes) {
return TextContentMatchesRegExp(*pes, key);
}
}
return false;
}
bool FormAutofillImpl::ClosestLabelMatchesRegExp(Element& aElement,
RegexKey aKey) {
ErrorResult aRv;
Element* pes = aElement.GetPreviousElementSibling();
if (pes && pes->IsHTMLElement(nsGkAtoms::label)) {
return TextContentMatchesRegExp(*pes, aKey);
}
Element* nes = aElement.GetNextElementSibling();
if (nes && nes->IsHTMLElement(nsGkAtoms::label)) {
return TextContentMatchesRegExp(*nes, aKey);
}
return false;
}
bool FormAutofillImpl::PlaceholderMatchesRegExp(Element& aElement,
RegexKey aKey) {
nsAutoString str;
if (!aElement.GetAttr(nsGkAtoms::placeholder, str)) {
return false;
}
return StringMatchesRegExp(str, aKey);
}
bool FormAutofillImpl::AriaLabelMatchesRegExp(Element& aElement,
RegexKey aKey) {
nsAutoString str;
if (!aElement.GetAttr(nsGkAtoms::aria_label, str)) {
return false;
}
return StringMatchesRegExp(str, aKey);
}
bool FormAutofillImpl::AutocompleteStringMatches(Element& aElement,
const nsAString& aKey) {
Nullable<AutocompleteInfo> info;
if (auto* input = HTMLInputElement::FromNode(aElement)) {
input->GetAutocompleteInfo(info);
} else {
AutocompleteInfo autoInfo;
if (auto* select = HTMLSelectElement::FromNode(aElement)) {
select->GetAutocompleteInfo(autoInfo);
info.SetValue(autoInfo);
}
}
if (info.IsNull()) {
return false;
}
return info.Value().mFieldName.Equals(aKey);
}
bool FormAutofillImpl::HasTemplatedValue(Element& aElement) {
nsAutoString str;
if (!aElement.GetAttr(nsGkAtoms::value, str)) {
return false;
}
return StringMatchesRegExp(str, RegexKey::TEMPLATED_VALUE);
}
bool FormAutofillImpl::RoleIsMenu(Element& aElement) {
return aElement.AttrValueIs(kNameSpaceID_None, nsGkAtoms::role,
nsGkAtoms::menu, eCaseMatters);
}
bool FormAutofillImpl::InputTypeNotNumbery(Element& aElement) {
auto* input = HTMLInputElement::FromNode(aElement);
if (!input) {
return true;
}
auto type = input->ControlType();
return type != FormControlType::InputText &&
type != FormControlType::InputTel &&
type != FormControlType::InputNumber;
}
bool FormAutofillImpl::IsSelectWithCreditCardOptions(Element& aElement) {
auto* select = HTMLSelectElement::FromNode(aElement);
if (!select) {
return false;
}
nsCOMPtr<nsIHTMLCollection> options = select->Options();
for (uint32_t i = 0; i < options->Length(); ++i) {
auto* item = options->Item(i);
auto* option = HTMLOptionElement::FromNode(item);
if (!option) {
continue;
}
// Bug 1756799, consider using getAttribute("value") instead of .value
nsAutoString str;
option->GetValue(str);
if (StringMatchesRegExp(str, RegexKey::CREDIT_CARD_NETWORK_EXACT_MATCH) ||
StringMatchesRegExp(str, RegexKey::CREDIT_CARD_NETWORK_LONG)) {
return true;
}
option->GetText(str);
if (StringMatchesRegExp(str, RegexKey::CREDIT_CARD_NETWORK_EXACT_MATCH) ||
StringMatchesRegExp(str, RegexKey::CREDIT_CARD_NETWORK_LONG)) {
return true;
}
}
return false;
}
bool FormAutofillImpl::IsRadioWithCreditCardText(
Element& aElement, const nsTArray<nsCString>* aLabels, ErrorResult& aRv) {
auto* input = HTMLInputElement::FromNode(aElement);
if (!input) {
return false;
}
auto type = input->ControlType();
if (type != FormControlType::InputRadio) {
return false;
}
nsAutoString str;
input->GetValue(str, CallerType::System);
if (CountRegExpMatches(str, RegexKey::CREDIT_CARD_NETWORK) == 1) {
return true;
}
if (aLabels) {
size_t labelsMatched = 0;
for (const auto& label : *aLabels) {
size_t labelMatches =
CountRegExpMatches(label, RegexKey::CREDIT_CARD_NETWORK);
if (labelMatches > 1) {
return false;
}
if (labelMatches > 0) {
labelsMatched++;
}
}
if (labelsMatched) {
return labelsMatched == 1;
}
}
// Bug 1756798 : Remove reading text content in a <input>
nsAutoString text;
aElement.GetTextContent(text, aRv);
if (aRv.Failed()) {
return false;
}
return CountRegExpMatches(text, RegexKey::CREDIT_CARD_NETWORK) == 1;
}
bool FormAutofillImpl::MaxLengthIs(Element& aElement, int32_t aValue) {
auto* input = HTMLInputElement::FromNode(aElement);
if (!input) {
return false;
}
return input->MaxLength() == aValue;
}
static bool TestOptionElementForInteger(Element* aElement, int32_t aTestValue) {
auto* option = HTMLOptionElement::FromNodeOrNull(aElement);
if (!option) {
return false;
}
nsAutoString str;
option->GetValue(str);
nsContentUtils::ParseHTMLIntegerResultFlags parseFlags;
int32_t val = nsContentUtils::ParseHTMLInteger(str, &parseFlags);
if (val == aTestValue) {
return true;
}
option->GetRenderedLabel(str);
val = nsContentUtils::ParseHTMLInteger(str, &parseFlags);
return val == aTestValue;
}
static bool MatchOptionContiguousInteger(HTMLOptionsCollection* aOptions,
uint32_t aNumContiguous,
int32_t aInteger) {
uint32_t len = aOptions->Length();
if (aNumContiguous > len) {
return false;
}
for (uint32_t i = 0; i <= aOptions->Length() - aNumContiguous; i++) {
bool match = true;
for (uint32_t j = 0; j < aNumContiguous; j++) {
if (!TestOptionElementForInteger(aOptions->GetElementAt(i + j),
aInteger + j)) {
match = false;
break;
}
}
if (match) {
return true;
}
}
return false;
}
bool FormAutofillImpl::IsExpirationYearLikely(Element& aElement) {
auto* select = HTMLSelectElement::FromNode(aElement);
if (!select) {
return false;
}
auto* options = select->Options();
if (!options) {
return false;
}
PRExplodedTime tm;
PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &tm);
uint16_t currentYear = tm.tm_year;
return MatchOptionContiguousInteger(options, 3, currentYear);
}
bool FormAutofillImpl::IsExpirationMonthLikely(Element& aElement) {
auto* select = HTMLSelectElement::FromNode(aElement);
if (!select) {
return false;
}
auto* options = select->Options();
if (!options) {
return false;
}
if (options->Length() != 12 && options->Length() != 13) {
return false;
}
return MatchOptionContiguousInteger(options, 12, 1);
}
Element* FormAutofillImpl::FindRootForField(Element* aElement) {
if (const auto* control =
nsGenericHTMLFormControlElement::FromNode(aElement)) {
if (Element* form = control->GetForm()) {
return form;
}
}
return aElement->OwnerDoc()->GetDocumentElement();
}
Element* FormAutofillImpl::FindField(
const Sequence<OwningNonNull<Element>>& aElements, uint32_t aStartIndex,
int8_t aDirection) {
MOZ_ASSERT(aDirection == 1 || aDirection == -1);
MOZ_ASSERT(aStartIndex < aElements.Length());
Element* curFieldRoot = FindRootForField(aElements[aStartIndex]);
bool isRootForm = curFieldRoot->IsHTMLElement(nsGkAtoms::form);
uint32_t num =
aDirection == 1 ? aElements.Length() - aStartIndex - 1 : aStartIndex;
for (uint32_t i = 0, searchIndex = aStartIndex; i < num; i++) {
searchIndex += aDirection;
const auto& element = aElements[searchIndex];
Element* root = FindRootForField(element);
if (isRootForm) {
// Only search fields that are within the same root element.
if (curFieldRoot != root) {
return nullptr;
}
} else {
// Exclude elements inside the rootElement that are already in a <form>.
if (root->IsHTMLElement(nsGkAtoms::form)) {
continue;
}
}
if (element->IsAnyOfHTMLElements(nsGkAtoms::input, nsGkAtoms::select)) {
return element.get();
}
}
return nullptr;
}
Element* FormAutofillImpl::NextField(
const Sequence<OwningNonNull<Element>>& aElements, uint32_t aStartIndex) {
return FindField(aElements, aStartIndex, 1);
}
Element* FormAutofillImpl::PrevField(
const Sequence<OwningNonNull<Element>>& aElements, uint32_t aStartIndex) {
return FindField(aElements, aStartIndex, -1);
}
static void ExtractLabelStrings(nsINode* aNode, nsTArray<nsCString>& aStrings,
ErrorResult& aRv) {
if (aNode->IsAnyOfHTMLElements(nsGkAtoms::script, nsGkAtoms::noscript,
nsGkAtoms::option, nsGkAtoms::style)) {
return;
}
if (aNode->IsText() || !aNode->HasChildren()) {
nsAutoString text;
aNode->GetTextContent(text, aRv);
if (aRv.Failed()) {
return;
}
text.Trim(kWhitespace);
CopyUTF16toUTF8(text, *aStrings.AppendElement());
return;
}
for (nsINode* child = aNode->GetFirstChild(); child;
child = child->GetNextSibling()) {
if (child->IsElement() || child->IsText()) {
ExtractLabelStrings(child, aStrings, aRv);
if (aRv.Failed()) {
return;
}
}
}
}
nsTArray<nsCString>* GetLabelStrings(
Element* aElement,
const nsTHashMap<void*, nsTArray<nsCString>>& aElementMap,
const nsTHashMap<nsAtom*, nsTArray<nsCString>>& aIdMap) {
if (!aElement) {
return nullptr;
}
if (nsAtom* idAtom = aElement->GetID()) {
return aIdMap.Lookup(idAtom).DataPtrOrNull();
}
return aElementMap.Lookup(aElement).DataPtrOrNull();
}
void FormAutofillImpl::GetFormAutofillConfidences(
GlobalObject& aGlobal, const Sequence<OwningNonNull<Element>>& aElements,
nsTArray<FormAutofillConfidences>& aResults, ErrorResult& aRv) {
if (aElements.IsEmpty()) {
return;
}
// Create Labels
auto* document = aElements[0]->OwnerDoc();
#ifdef DEBUG
for (uint32_t i = 1; i < aElements.Length(); ++i) {
MOZ_ASSERT(document == aElements[i]->OwnerDoc());
}
#endif
RefPtr<nsContentList> labels = document->GetElementsByTagName(u"label"_ns);
nsTHashMap<void*, nsTArray<nsCString>> elementsToLabelStrings;
nsTHashMap<nsAtom*, nsTArray<nsCString>> elementsIdToLabelStrings;
if (labels) {
for (uint32_t i = 0; i < labels->Length(); ++i) {
auto* item = labels->Item(i);
auto* label = HTMLLabelElement::FromNode(item);
if (NS_WARN_IF(!label)) {
continue;
}
auto* control = label->GetControl();
if (!control) {
continue;
}
nsTArray<nsCString> labelStrings;
ExtractLabelStrings(label, labelStrings, aRv);
if (aRv.Failed()) {
return;
}
// We need two maps here to keep track controls with id and without id.
// We can't just use map without id to cover all cases because there
// might be multiple elements with the same id.
if (control->GetID()) {
elementsIdToLabelStrings.LookupOrInsert(control->GetID())
.AppendElements(std::move(labelStrings));
} else {
elementsToLabelStrings.LookupOrInsert(control).AppendElements(
std::move(labelStrings));
}
}
}
nsTArray<AutofillParams> paramSet;
paramSet.SetLength(aElements.Length());
for (uint32_t i = 0; i < aElements.Length(); ++i) {
auto& params = paramSet[i];
const auto& element = aElements[i];
const nsTArray<nsCString>* labelStrings = GetLabelStrings(
element, elementsToLabelStrings, elementsIdToLabelStrings);
bool idOrNameMatchDwfrmAndBml =
IdOrNameMatchRegExp(element, RegexKey::DWFRM) &&
IdOrNameMatchRegExp(element, RegexKey::BML);
bool hasTemplatedValue = HasTemplatedValue(element);
bool inputTypeNotNumbery = InputTypeNotNumbery(element);
bool idOrNameMatchSubscription =
IdOrNameMatchRegExp(element, RegexKey::SUBSCRIPTION);
bool idOrNameMatchFirstAndLast =
IdOrNameMatchRegExp(element, RegexKey::FIRST) &&
IdOrNameMatchRegExp(element, RegexKey::LAST);
#define RULE_IMPL2(rule, type) params.m##type##Params[type##Params::rule]
#define RULE_IMPL(rule, type) RULE_IMPL2(rule, type)
#define RULE(rule) RULE_IMPL(rule, RULE_TYPE)
// cc-number
#define RULE_TYPE CCNumber
RULE(idOrNameMatchNumberRegExp) =
IdOrNameMatchRegExp(element, RegexKey::CC_NUMBER);
RULE(labelsMatchNumberRegExp) =
LabelMatchesRegExp(element, labelStrings, RegexKey::CC_NUMBER);
RULE(closestLabelMatchesNumberRegExp) =
ClosestLabelMatchesRegExp(element, RegexKey::CC_NUMBER);
RULE(placeholderMatchesNumberRegExp) =
PlaceholderMatchesRegExp(element, RegexKey::CC_NUMBER);
RULE(ariaLabelMatchesNumberRegExp) =
AriaLabelMatchesRegExp(element, RegexKey::CC_NUMBER);
RULE(idOrNameMatchGift) = IdOrNameMatchRegExp(element, RegexKey::GIFT);
RULE(labelsMatchGift) =
LabelMatchesRegExp(element, labelStrings, RegexKey::GIFT);
RULE(placeholderMatchesGift) =
PlaceholderMatchesRegExp(element, RegexKey::GIFT);
RULE(ariaLabelMatchesGift) =
AriaLabelMatchesRegExp(element, RegexKey::GIFT);
RULE(idOrNameMatchSubscription) = idOrNameMatchSubscription;
RULE(idOrNameMatchDwfrmAndBml) = idOrNameMatchDwfrmAndBml;
RULE(hasTemplatedValue) = hasTemplatedValue;
RULE(inputTypeNotNumbery) = inputTypeNotNumbery;
#undef RULE_TYPE
// cc-name
#define RULE_TYPE CCName
RULE(idOrNameMatchNameRegExp) =
IdOrNameMatchRegExp(element, RegexKey::CC_NAME);
RULE(labelsMatchNameRegExp) =
LabelMatchesRegExp(element, labelStrings, RegexKey::CC_NAME);
RULE(closestLabelMatchesNameRegExp) =
ClosestLabelMatchesRegExp(element, RegexKey::CC_NAME);
RULE(placeholderMatchesNameRegExp) =
PlaceholderMatchesRegExp(element, RegexKey::CC_NAME);
RULE(ariaLabelMatchesNameRegExp) =
AriaLabelMatchesRegExp(element, RegexKey::CC_NAME);
RULE(idOrNameMatchFirst) = IdOrNameMatchRegExp(element, RegexKey::FIRST);
RULE(labelsMatchFirst) =
LabelMatchesRegExp(element, labelStrings, RegexKey::FIRST);
RULE(placeholderMatchesFirst) =
PlaceholderMatchesRegExp(element, RegexKey::FIRST);
RULE(ariaLabelMatchesFirst) =
AriaLabelMatchesRegExp(element, RegexKey::FIRST);
RULE(idOrNameMatchLast) = IdOrNameMatchRegExp(element, RegexKey::LAST);
RULE(labelsMatchLast) =
LabelMatchesRegExp(element, labelStrings, RegexKey::LAST);
RULE(placeholderMatchesLast) =
PlaceholderMatchesRegExp(element, RegexKey::LAST);
RULE(ariaLabelMatchesLast) =
AriaLabelMatchesRegExp(element, RegexKey::LAST);
RULE(idOrNameMatchSubscription) = idOrNameMatchSubscription;
RULE(idOrNameMatchFirstAndLast) = idOrNameMatchFirstAndLast;
RULE(idOrNameMatchDwfrmAndBml) = idOrNameMatchDwfrmAndBml;
RULE(hasTemplatedValue) = hasTemplatedValue;
#undef RULE_TYPE
// We only use Fathom to detect cc-number & cc-name fields for now.
// Comment out code below instead of removing them to make it clear that
// the current design is to support multiple rules.
/*
Element* nextFillableField = NextField(aElements, i);
Element* prevFillableField = PrevField(aElements, i);
const nsTArray<nsCString>* nextLabelStrings = GetLabelStrings(
nextFillableField, elementsToLabelStrings, elementsIdToLabelStrings);
const nsTArray<nsCString>* prevLabelStrings = GetLabelStrings(
prevFillableField, elementsToLabelStrings, elementsIdToLabelStrings);
bool roleIsMenu = RoleIsMenu(element);
// cc-type
#define RULE_TYPE CCType
RULE(idOrNameMatchTypeRegExp) =
IdOrNameMatchRegExp(element, RegexKey::CC_TYPE);
RULE(labelsMatchTypeRegExp) =
LabelMatchesRegExp(element, labelStrings, RegexKey::CC_TYPE);
RULE(closestLabelMatchesTypeRegExp) =
ClosestLabelMatchesRegExp(element, RegexKey::CC_TYPE);
RULE(idOrNameMatchVisaCheckout) =
IdOrNameMatchRegExp(element, RegexKey::VISA_CHECKOUT);
RULE(ariaLabelMatchesVisaCheckout) =
AriaLabelMatchesRegExp(element, RegexKey::VISA_CHECKOUT);
RULE(isSelectWithCreditCardOptions) =
IsSelectWithCreditCardOptions(element);
RULE(isRadioWithCreditCardText) =
IsRadioWithCreditCardText(element, labelStrings, aRv);
if (aRv.Failed()) {
return;
}
RULE(idOrNameMatchSubscription) = idOrNameMatchSubscription;
RULE(idOrNameMatchDwfrmAndBml) = idOrNameMatchDwfrmAndBml;
RULE(hasTemplatedValue) = hasTemplatedValue;
#undef RULE_TYPE
// cc-exp
#define RULE_TYPE CCExp
RULE(labelsMatchExpRegExp) =
LabelMatchesRegExp(element, labelStrings, RegexKey::CC_EXP);
RULE(closestLabelMatchesExpRegExp) =
ClosestLabelMatchesRegExp(element, RegexKey::CC_EXP);
RULE(placeholderMatchesExpRegExp) =
PlaceholderMatchesRegExp(element, RegexKey::CC_EXP);
RULE(labelsMatchExpWith2Or4DigitYear) = LabelMatchesRegExp(
element, labelStrings, RegexKey::TWO_OR_FOUR_DIGIT_YEAR);
RULE(placeholderMatchesExpWith2Or4DigitYear) =
PlaceholderMatchesRegExp(element, RegexKey::TWO_OR_FOUR_DIGIT_YEAR);
RULE(labelsMatchMMYY) =
LabelMatchesRegExp(element, labelStrings, RegexKey::MMYY);
RULE(placeholderMatchesMMYY) =
PlaceholderMatchesRegExp(element, RegexKey::MMYY);
RULE(maxLengthIs7) = MaxLengthIs(element, 7);
RULE(idOrNameMatchSubscription) = idOrNameMatchSubscription;
RULE(idOrNameMatchDwfrmAndBml) = idOrNameMatchDwfrmAndBml;
RULE(hasTemplatedValue) = hasTemplatedValue;
RULE(isExpirationMonthLikely) = IsExpirationMonthLikely(element);
RULE(isExpirationYearLikely) = IsExpirationYearLikely(element);
RULE(idOrNameMatchMonth) = IdOrNameMatchRegExp(element, RegexKey::MONTH);
RULE(idOrNameMatchYear) = IdOrNameMatchRegExp(element, RegexKey::YEAR);
RULE(idOrNameMatchExpMonthRegExp) =
IdOrNameMatchRegExp(element, RegexKey::CC_EXP_MONTH);
RULE(idOrNameMatchExpYearRegExp) =
IdOrNameMatchRegExp(element, RegexKey::CC_EXP_YEAR);
RULE(idOrNameMatchValidation) =
IdOrNameMatchRegExp(element, RegexKey::VALIDATION);
#undef RULE_TYPE
// cc-exp-month
#define RULE_TYPE CCExpMonth
RULE(idOrNameMatchExpMonthRegExp) =
IdOrNameMatchRegExp(element, RegexKey::CC_EXP_MONTH);
RULE(labelsMatchExpMonthRegExp) =
LabelMatchesRegExp(element, labelStrings, RegexKey::CC_EXP_MONTH);
RULE(closestLabelMatchesExpMonthRegExp) =
ClosestLabelMatchesRegExp(element, RegexKey::CC_EXP_MONTH);
RULE(placeholderMatchesExpMonthRegExp) =
PlaceholderMatchesRegExp(element, RegexKey::CC_EXP_MONTH);
RULE(ariaLabelMatchesExpMonthRegExp) =
AriaLabelMatchesRegExp(element, RegexKey::CC_EXP_MONTH);
RULE(idOrNameMatchMonth) = IdOrNameMatchRegExp(element, RegexKey::MONTH);
RULE(labelsMatchMonth) =
LabelMatchesRegExp(element, labelStrings, RegexKey::MONTH);
RULE(placeholderMatchesMonth) =
PlaceholderMatchesRegExp(element, RegexKey::MONTH);
RULE(ariaLabelMatchesMonth) =
AriaLabelMatchesRegExp(element, RegexKey::MONTH);
RULE(nextFieldIdOrNameMatchExpYearRegExp) =
nextFillableField &&
IdOrNameMatchRegExp(*nextFillableField, RegexKey::CC_EXP_YEAR);
RULE(nextFieldLabelsMatchExpYearRegExp) =
nextFillableField &&
LabelMatchesRegExp(element, nextLabelStrings, RegexKey::CC_EXP_YEAR);
RULE(nextFieldPlaceholderMatchExpYearRegExp) =
nextFillableField &&
PlaceholderMatchesRegExp(*nextFillableField, RegexKey::CC_EXP_YEAR);
RULE(nextFieldAriaLabelMatchExpYearRegExp) =
nextFillableField &&
AriaLabelMatchesRegExp(*nextFillableField, RegexKey::CC_EXP_YEAR);
RULE(nextFieldIdOrNameMatchYear) =
nextFillableField &&
IdOrNameMatchRegExp(*nextFillableField, RegexKey::YEAR);
RULE(nextFieldLabelsMatchYear) =
nextFillableField &&
LabelMatchesRegExp(element, nextLabelStrings, RegexKey::YEAR);
RULE(nextFieldPlaceholderMatchesYear) =
nextFillableField &&
PlaceholderMatchesRegExp(*nextFillableField, RegexKey::YEAR);
RULE(nextFieldAriaLabelMatchesYear) =
nextFillableField &&
AriaLabelMatchesRegExp(*nextFillableField, RegexKey::YEAR);
RULE(nextFieldMatchesExpYearAutocomplete) =
nextFillableField &&
NextFieldMatchesExpYearAutocomplete(nextFillableField);
RULE(isExpirationMonthLikely) = IsExpirationMonthLikely(element);
RULE(nextFieldIsExpirationYearLikely) =
nextFillableField && IsExpirationYearLikely(*nextFillableField);
RULE(maxLengthIs2) = MaxLengthIs(element, 2);
RULE(placeholderMatchesMM) =
PlaceholderMatchesRegExp(element, RegexKey::MM_MONTH);
RULE(roleIsMenu) = roleIsMenu;
RULE(idOrNameMatchSubscription) = idOrNameMatchSubscription;
RULE(idOrNameMatchDwfrmAndBml) = idOrNameMatchDwfrmAndBml;
RULE(hasTemplatedValue) = hasTemplatedValue;
#undef RULE_TYPE
// cc-exp-year
#define RULE_TYPE CCExpYear
RULE(idOrNameMatchExpYearRegExp) =
IdOrNameMatchRegExp(element, RegexKey::CC_EXP_YEAR);
RULE(labelsMatchExpYearRegExp) =
LabelMatchesRegExp(element, labelStrings, RegexKey::CC_EXP_YEAR);
RULE(closestLabelMatchesExpYearRegExp) =
ClosestLabelMatchesRegExp(element, RegexKey::CC_EXP_YEAR);
RULE(placeholderMatchesExpYearRegExp) =
PlaceholderMatchesRegExp(element, RegexKey::CC_EXP_YEAR);
RULE(ariaLabelMatchesExpYearRegExp) =
AriaLabelMatchesRegExp(element, RegexKey::CC_EXP_YEAR);
RULE(idOrNameMatchYear) = IdOrNameMatchRegExp(element, RegexKey::YEAR);
RULE(labelsMatchYear) =
LabelMatchesRegExp(element, labelStrings, RegexKey::YEAR);
RULE(placeholderMatchesYear) =
PlaceholderMatchesRegExp(element, RegexKey::YEAR);
RULE(ariaLabelMatchesYear) =
AriaLabelMatchesRegExp(element, RegexKey::YEAR);
RULE(previousFieldIdOrNameMatchExpMonthRegExp) =
prevFillableField &&
IdOrNameMatchRegExp(*prevFillableField, RegexKey::CC_EXP_MONTH);
RULE(previousFieldLabelsMatchExpMonthRegExp) =
prevFillableField &&
LabelMatchesRegExp(element, prevLabelStrings, RegexKey::CC_EXP_MONTH);
RULE(previousFieldPlaceholderMatchExpMonthRegExp) =
prevFillableField &&
PlaceholderMatchesRegExp(*prevFillableField, RegexKey::CC_EXP_MONTH);
RULE(previousFieldAriaLabelMatchExpMonthRegExp) =
prevFillableField &&
AriaLabelMatchesRegExp(*prevFillableField, RegexKey::CC_EXP_MONTH);
RULE(previousFieldIdOrNameMatchMonth) =
prevFillableField &&
IdOrNameMatchRegExp(*prevFillableField, RegexKey::MONTH);
RULE(previousFieldLabelsMatchMonth) =
prevFillableField &&
LabelMatchesRegExp(element, prevLabelStrings, RegexKey::MONTH);
RULE(previousFieldPlaceholderMatchesMonth) =
prevFillableField &&
PlaceholderMatchesRegExp(*prevFillableField, RegexKey::MONTH);
RULE(previousFieldAriaLabelMatchesMonth) =
prevFillableField &&
AriaLabelMatchesRegExp(*prevFillableField, RegexKey::MONTH);
RULE(previousFieldMatchesExpMonthAutocomplete) =
prevFillableField &&
PreviousFieldMatchesExpMonthAutocomplete(prevFillableField);
RULE(isExpirationYearLikely) = IsExpirationYearLikely(element);
RULE(previousFieldIsExpirationMonthLikely) =
prevFillableField && IsExpirationMonthLikely(*prevFillableField);
RULE(placeholderMatchesYYOrYYYY) =
PlaceholderMatchesRegExp(element, RegexKey::YY_OR_YYYY);
RULE(roleIsMenu) = roleIsMenu;
RULE(idOrNameMatchSubscription) = idOrNameMatchSubscription;
RULE(idOrNameMatchDwfrmAndBml) = idOrNameMatchDwfrmAndBml;
RULE(hasTemplatedValue) = hasTemplatedValue;
#undef RULE_TYPE
*/
#undef RULE_IMPL2
#undef RULE_IMPL
#undef RULE
#define CALCULATE_SCORE(type, score) \
for (auto i : MakeEnumeratedRange(type##Params::Count)) { \
(score) += params.m##type##Params[i] * kCoefficents.m##type##Params[i]; \
} \
(score) = Sigmoid(score + k##type##Bias);
// Calculating the final score of each rule
FormAutofillConfidences score;
CALCULATE_SCORE(CCNumber, score.mCcNumber)
CALCULATE_SCORE(CCName, score.mCcName)
// Comment out code that are not used right now
// CALCULATE_SCORE(CCType, score.mCcType)
// CALCULATE_SCORE(CCExp, score.mCcExp)
// CALCULATE_SCORE(CCExpMonth, score.mCcExpMonth)
// CALCULATE_SCORE(CCExpYear, score.mCcExpYear)
#undef CALCULATE_SCORE
aResults.AppendElement(score);
}
}
static StaticAutoPtr<FormAutofillImpl> sFormAutofillInstance;
static FormAutofillImpl* GetFormAutofillImpl() {
if (!sFormAutofillInstance) {
sFormAutofillInstance = new FormAutofillImpl();
ClearOnShutdown(&sFormAutofillInstance);
}
return sFormAutofillInstance;
}
/* static */
void FormAutofillNative::GetFormAutofillConfidences(
GlobalObject& aGlobal, const Sequence<OwningNonNull<Element>>& aElements,
nsTArray<FormAutofillConfidences>& aResults, ErrorResult& aRv) {
GetFormAutofillImpl()->GetFormAutofillConfidences(aGlobal, aElements,
aResults, aRv);
}
} // namespace mozilla::dom
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