1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "components/autofill/core/browser/form_structure.h" 6 7 #include <utility> 8 9 #include "base/basictypes.h" 10 #include "base/command_line.h" 11 #include "base/i18n/case_conversion.h" 12 #include "base/logging.h" 13 #include "base/memory/scoped_ptr.h" 14 #include "base/sha1.h" 15 #include "base/strings/string_number_conversions.h" 16 #include "base/strings/string_util.h" 17 #include "base/strings/stringprintf.h" 18 #include "base/strings/utf_string_conversions.h" 19 #include "base/time/time.h" 20 #include "components/autofill/core/browser/autofill_metrics.h" 21 #include "components/autofill/core/browser/autofill_type.h" 22 #include "components/autofill/core/browser/autofill_xml_parser.h" 23 #include "components/autofill/core/browser/field_types.h" 24 #include "components/autofill/core/browser/form_field.h" 25 #include "components/autofill/core/common/autofill_constants.h" 26 #include "components/autofill/core/common/form_data.h" 27 #include "components/autofill/core/common/form_data_predictions.h" 28 #include "components/autofill/core/common/form_field_data.h" 29 #include "components/autofill/core/common/form_field_data_predictions.h" 30 #include "third_party/icu/source/i18n/unicode/regex.h" 31 #include "third_party/libjingle/source/talk/xmllite/xmlelement.h" 32 33 namespace autofill { 34 namespace { 35 36 const char kFormMethodPost[] = "post"; 37 38 // XML elements and attributes. 39 const char kAttributeAutofillUsed[] = "autofillused"; 40 const char kAttributeAutofillType[] = "autofilltype"; 41 const char kAttributeClientVersion[] = "clientversion"; 42 const char kAttributeDataPresent[] = "datapresent"; 43 const char kAttributeFieldID[] = "fieldid"; 44 const char kAttributeFieldType[] = "fieldtype"; 45 const char kAttributeFormSignature[] = "formsignature"; 46 const char kAttributeName[] = "name"; 47 const char kAttributeSignature[] = "signature"; 48 const char kClientVersion[] = "6.1.1715.1442/en (GGLL)"; 49 const char kXMLDeclaration[] = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"; 50 const char kXMLElementAutofillQuery[] = "autofillquery"; 51 const char kXMLElementAutofillUpload[] = "autofillupload"; 52 const char kXMLElementFieldAssignments[] = "fieldassignments"; 53 const char kXMLElementField[] = "field"; 54 const char kXMLElementFields[] = "fields"; 55 const char kXMLElementForm[] = "form"; 56 const char kBillingMode[] = "billing"; 57 const char kShippingMode[] = "shipping"; 58 59 // Stip away >= 5 consecutive digits. 60 const char kIgnorePatternInFieldName[] = "\\d{5,}+"; 61 62 // Helper for |EncodeUploadRequest()| that creates a bit field corresponding to 63 // |available_field_types| and returns the hex representation as a string. 64 std::string EncodeFieldTypes(const ServerFieldTypeSet& available_field_types) { 65 // There are |MAX_VALID_FIELD_TYPE| different field types and 8 bits per byte, 66 // so we need ceil(MAX_VALID_FIELD_TYPE / 8) bytes to encode the bit field. 67 const size_t kNumBytes = (MAX_VALID_FIELD_TYPE + 0x7) / 8; 68 69 // Pack the types in |available_field_types| into |bit_field|. 70 std::vector<uint8> bit_field(kNumBytes, 0); 71 for (ServerFieldTypeSet::const_iterator field_type = 72 available_field_types.begin(); 73 field_type != available_field_types.end(); 74 ++field_type) { 75 // Set the appropriate bit in the field. The bit we set is the one 76 // |field_type| % 8 from the left of the byte. 77 const size_t byte = *field_type / 8; 78 const size_t bit = 0x80 >> (*field_type % 8); 79 DCHECK(byte < bit_field.size()); 80 bit_field[byte] |= bit; 81 } 82 83 // Discard any trailing zeroes. 84 // If there are no available types, we return the empty string. 85 size_t data_end = bit_field.size(); 86 for (; data_end > 0 && !bit_field[data_end - 1]; --data_end) { 87 } 88 89 // Print all meaningfull bytes into a string. 90 std::string data_presence; 91 data_presence.reserve(data_end * 2 + 1); 92 for (size_t i = 0; i < data_end; ++i) { 93 base::StringAppendF(&data_presence, "%02x", bit_field[i]); 94 } 95 96 return data_presence; 97 } 98 99 // Helper for |EncodeFormRequest()| that creates XmlElements for the given field 100 // in upload xml, and also add them to the parent XmlElement. 101 void EncodeFieldForUpload(const AutofillField& field, 102 buzz::XmlElement* parent) { 103 // Don't upload checkable fields. 104 if (field.is_checkable) 105 return; 106 107 ServerFieldTypeSet types = field.possible_types(); 108 // |types| could be empty in unit-tests only. 109 for (ServerFieldTypeSet::iterator field_type = types.begin(); 110 field_type != types.end(); ++field_type) { 111 buzz::XmlElement *field_element = new buzz::XmlElement( 112 buzz::QName(kXMLElementField)); 113 114 field_element->SetAttr(buzz::QName(kAttributeSignature), 115 field.FieldSignature()); 116 field_element->SetAttr(buzz::QName(kAttributeAutofillType), 117 base::IntToString(*field_type)); 118 parent->AddElement(field_element); 119 } 120 } 121 122 // Helper for |EncodeFormRequest()| that creates XmlElement for the given field 123 // in query xml, and also add it to the parent XmlElement. 124 void EncodeFieldForQuery(const AutofillField& field, 125 buzz::XmlElement* parent) { 126 buzz::XmlElement *field_element = new buzz::XmlElement( 127 buzz::QName(kXMLElementField)); 128 field_element->SetAttr(buzz::QName(kAttributeSignature), 129 field.FieldSignature()); 130 parent->AddElement(field_element); 131 } 132 133 // Helper for |EncodeFormRequest()| that creates XmlElements for the given field 134 // in field assignments xml, and also add them to the parent XmlElement. 135 void EncodeFieldForFieldAssignments(const AutofillField& field, 136 buzz::XmlElement* parent) { 137 ServerFieldTypeSet types = field.possible_types(); 138 for (ServerFieldTypeSet::iterator field_type = types.begin(); 139 field_type != types.end(); ++field_type) { 140 buzz::XmlElement *field_element = new buzz::XmlElement( 141 buzz::QName(kXMLElementFields)); 142 143 field_element->SetAttr(buzz::QName(kAttributeFieldID), 144 field.FieldSignature()); 145 field_element->SetAttr(buzz::QName(kAttributeFieldType), 146 base::IntToString(*field_type)); 147 field_element->SetAttr(buzz::QName(kAttributeName), 148 base::UTF16ToUTF8(field.name)); 149 parent->AddElement(field_element); 150 } 151 } 152 153 // Returns |true| iff the |token| is a type hint for a contact field, as 154 // specified in the implementation section of http://is.gd/whatwg_autocomplete 155 // Note that "fax" and "pager" are intentionally ignored, as Chrome does not 156 // support filling either type of information. 157 bool IsContactTypeHint(const std::string& token) { 158 return token == "home" || token == "work" || token == "mobile"; 159 } 160 161 // Returns |true| iff the |token| is a type hint appropriate for a field of the 162 // given |field_type|, as specified in the implementation section of 163 // http://is.gd/whatwg_autocomplete 164 bool ContactTypeHintMatchesFieldType(const std::string& token, 165 HtmlFieldType field_type) { 166 // The "home" and "work" type hints are only appropriate for email and phone 167 // number field types. 168 if (token == "home" || token == "work") { 169 return field_type == HTML_TYPE_EMAIL || 170 (field_type >= HTML_TYPE_TEL && 171 field_type <= HTML_TYPE_TEL_LOCAL_SUFFIX); 172 } 173 174 // The "mobile" type hint is only appropriate for phone number field types. 175 // Note that "fax" and "pager" are intentionally ignored, as Chrome does not 176 // support filling either type of information. 177 if (token == "mobile") { 178 return field_type >= HTML_TYPE_TEL && 179 field_type <= HTML_TYPE_TEL_LOCAL_SUFFIX; 180 } 181 182 return false; 183 } 184 185 // Returns the Chrome Autofill-supported field type corresponding to the given 186 // |autocomplete_attribute_value|, if there is one, in the context of the given 187 // |field|. Chrome Autofill supports a subset of the field types listed at 188 // http://is.gd/whatwg_autocomplete 189 HtmlFieldType FieldTypeFromAutocompleteAttributeValue( 190 const std::string& autocomplete_attribute_value, 191 const AutofillField& field) { 192 if (autocomplete_attribute_value == "name") 193 return HTML_TYPE_NAME; 194 195 if (autocomplete_attribute_value == "given-name") 196 return HTML_TYPE_GIVEN_NAME; 197 198 if (autocomplete_attribute_value == "additional-name") { 199 if (field.max_length == 1) 200 return HTML_TYPE_ADDITIONAL_NAME_INITIAL; 201 else 202 return HTML_TYPE_ADDITIONAL_NAME; 203 } 204 205 if (autocomplete_attribute_value == "family-name") 206 return HTML_TYPE_FAMILY_NAME; 207 208 if (autocomplete_attribute_value == "organization") 209 return HTML_TYPE_ORGANIZATION; 210 211 if (autocomplete_attribute_value == "street-address") 212 return HTML_TYPE_STREET_ADDRESS; 213 214 if (autocomplete_attribute_value == "address-line1") 215 return HTML_TYPE_ADDRESS_LINE1; 216 217 if (autocomplete_attribute_value == "address-line2") 218 return HTML_TYPE_ADDRESS_LINE2; 219 220 if (autocomplete_attribute_value == "address-line3") 221 return HTML_TYPE_ADDRESS_LINE3; 222 223 // TODO(estade): remove support for "locality" and "region". 224 if (autocomplete_attribute_value == "locality") 225 return HTML_TYPE_ADDRESS_LEVEL2; 226 227 if (autocomplete_attribute_value == "region") 228 return HTML_TYPE_ADDRESS_LEVEL1; 229 230 if (autocomplete_attribute_value == "address-level1") 231 return HTML_TYPE_ADDRESS_LEVEL1; 232 233 if (autocomplete_attribute_value == "address-level2") 234 return HTML_TYPE_ADDRESS_LEVEL2; 235 236 if (autocomplete_attribute_value == "address-level3") 237 return HTML_TYPE_ADDRESS_LEVEL3; 238 239 if (autocomplete_attribute_value == "country") 240 return HTML_TYPE_COUNTRY_CODE; 241 242 if (autocomplete_attribute_value == "country-name") 243 return HTML_TYPE_COUNTRY_NAME; 244 245 if (autocomplete_attribute_value == "postal-code") 246 return HTML_TYPE_POSTAL_CODE; 247 248 // content_switches.h isn't accessible from here, hence we have 249 // to copy the string literal. This should be removed soon anyway. 250 if (autocomplete_attribute_value == "address" && 251 CommandLine::ForCurrentProcess()->HasSwitch( 252 "enable-experimental-web-platform-features")) { 253 return HTML_TYPE_FULL_ADDRESS; 254 } 255 256 if (autocomplete_attribute_value == "cc-name") 257 return HTML_TYPE_CREDIT_CARD_NAME; 258 259 if (autocomplete_attribute_value == "cc-number") 260 return HTML_TYPE_CREDIT_CARD_NUMBER; 261 262 if (autocomplete_attribute_value == "cc-exp") { 263 if (field.max_length == 5) 264 return HTML_TYPE_CREDIT_CARD_EXP_DATE_2_DIGIT_YEAR; 265 else if (field.max_length == 7) 266 return HTML_TYPE_CREDIT_CARD_EXP_DATE_4_DIGIT_YEAR; 267 else 268 return HTML_TYPE_CREDIT_CARD_EXP; 269 } 270 271 if (autocomplete_attribute_value == "cc-exp-month") 272 return HTML_TYPE_CREDIT_CARD_EXP_MONTH; 273 274 if (autocomplete_attribute_value == "cc-exp-year") { 275 if (field.max_length == 2) 276 return HTML_TYPE_CREDIT_CARD_EXP_2_DIGIT_YEAR; 277 else if (field.max_length == 4) 278 return HTML_TYPE_CREDIT_CARD_EXP_4_DIGIT_YEAR; 279 else 280 return HTML_TYPE_CREDIT_CARD_EXP_YEAR; 281 } 282 283 if (autocomplete_attribute_value == "cc-csc") 284 return HTML_TYPE_CREDIT_CARD_VERIFICATION_CODE; 285 286 if (autocomplete_attribute_value == "cc-type") 287 return HTML_TYPE_CREDIT_CARD_TYPE; 288 289 if (autocomplete_attribute_value == "tel") 290 return HTML_TYPE_TEL; 291 292 if (autocomplete_attribute_value == "tel-country-code") 293 return HTML_TYPE_TEL_COUNTRY_CODE; 294 295 if (autocomplete_attribute_value == "tel-national") 296 return HTML_TYPE_TEL_NATIONAL; 297 298 if (autocomplete_attribute_value == "tel-area-code") 299 return HTML_TYPE_TEL_AREA_CODE; 300 301 if (autocomplete_attribute_value == "tel-local") 302 return HTML_TYPE_TEL_LOCAL; 303 304 if (autocomplete_attribute_value == "tel-local-prefix") 305 return HTML_TYPE_TEL_LOCAL_PREFIX; 306 307 if (autocomplete_attribute_value == "tel-local-suffix") 308 return HTML_TYPE_TEL_LOCAL_SUFFIX; 309 310 if (autocomplete_attribute_value == "email") 311 return HTML_TYPE_EMAIL; 312 313 return HTML_TYPE_UNKNOWN; 314 } 315 316 std::string StripDigitsIfRequired(const base::string16& input) { 317 UErrorCode status = U_ZERO_ERROR; 318 CR_DEFINE_STATIC_LOCAL(icu::UnicodeString, icu_pattern, 319 (kIgnorePatternInFieldName)); 320 CR_DEFINE_STATIC_LOCAL(icu::RegexMatcher, matcher, 321 (icu_pattern, UREGEX_CASE_INSENSITIVE, status)); 322 DCHECK_EQ(status, U_ZERO_ERROR); 323 324 icu::UnicodeString icu_input(input.data(), input.length()); 325 matcher.reset(icu_input); 326 327 icu::UnicodeString replaced_string = matcher.replaceAll("", status); 328 329 std::string return_string; 330 status = U_ZERO_ERROR; 331 base::UTF16ToUTF8(replaced_string.getBuffer(), 332 static_cast<size_t>(replaced_string.length()), 333 &return_string); 334 if (status != U_ZERO_ERROR) { 335 DVLOG(1) << "Couldn't strip digits in " << base::UTF16ToUTF8(input); 336 return base::UTF16ToUTF8(input); 337 } 338 339 return return_string; 340 } 341 342 } // namespace 343 344 FormStructure::FormStructure(const FormData& form) 345 : form_name_(form.name), 346 source_url_(form.origin), 347 target_url_(form.action), 348 autofill_count_(0), 349 active_field_count_(0), 350 upload_required_(USE_UPLOAD_RATES), 351 has_author_specified_types_(false) { 352 // Copy the form fields. 353 std::map<base::string16, size_t> unique_names; 354 for (std::vector<FormFieldData>::const_iterator field = 355 form.fields.begin(); 356 field != form.fields.end(); ++field) { 357 if (!ShouldSkipField(*field)) { 358 // Add all supported form fields (including with empty names) to the 359 // signature. This is a requirement for Autofill servers. 360 form_signature_field_names_.append("&"); 361 form_signature_field_names_.append(StripDigitsIfRequired(field->name)); 362 363 ++active_field_count_; 364 } 365 366 // Generate a unique name for this field by appending a counter to the name. 367 // Make sure to prepend the counter with a non-numeric digit so that we are 368 // guaranteed to avoid collisions. 369 if (!unique_names.count(field->name)) 370 unique_names[field->name] = 1; 371 else 372 ++unique_names[field->name]; 373 base::string16 unique_name = field->name + base::ASCIIToUTF16("_") + 374 base::IntToString16(unique_names[field->name]); 375 fields_.push_back(new AutofillField(*field, unique_name)); 376 } 377 378 std::string method = base::UTF16ToUTF8(form.method); 379 if (StringToLowerASCII(method) == kFormMethodPost) { 380 method_ = POST; 381 } else { 382 // Either the method is 'get', or we don't know. In this case we default 383 // to GET. 384 method_ = GET; 385 } 386 } 387 388 FormStructure::~FormStructure() {} 389 390 void FormStructure::DetermineHeuristicTypes( 391 const AutofillMetrics& metric_logger) { 392 // First, try to detect field types based on each field's |autocomplete| 393 // attribute value. If there is at least one form field that specifies an 394 // autocomplete type hint, don't try to apply other heuristics to match fields 395 // in this form. 396 bool has_author_specified_sections; 397 ParseFieldTypesFromAutocompleteAttributes(&has_author_specified_types_, 398 &has_author_specified_sections); 399 400 if (!has_author_specified_types_) { 401 ServerFieldTypeMap field_type_map; 402 FormField::ParseFormFields(fields_.get(), &field_type_map); 403 for (size_t i = 0; i < field_count(); ++i) { 404 AutofillField* field = fields_[i]; 405 ServerFieldTypeMap::iterator iter = 406 field_type_map.find(field->unique_name()); 407 if (iter != field_type_map.end()) 408 field->set_heuristic_type(iter->second); 409 } 410 } 411 412 UpdateAutofillCount(); 413 IdentifySections(has_author_specified_sections); 414 415 if (IsAutofillable(true)) { 416 metric_logger.LogDeveloperEngagementMetric( 417 AutofillMetrics::FILLABLE_FORM_PARSED); 418 if (has_author_specified_types_) { 419 metric_logger.LogDeveloperEngagementMetric( 420 AutofillMetrics::FILLABLE_FORM_CONTAINS_TYPE_HINTS); 421 } 422 } 423 } 424 425 bool FormStructure::EncodeUploadRequest( 426 const ServerFieldTypeSet& available_field_types, 427 bool form_was_autofilled, 428 std::string* encoded_xml) const { 429 DCHECK(ShouldBeCrowdsourced()); 430 431 // Verify that |available_field_types| agrees with the possible field types we 432 // are uploading. 433 for (std::vector<AutofillField*>::const_iterator field = begin(); 434 field != end(); 435 ++field) { 436 for (ServerFieldTypeSet::const_iterator type = 437 (*field)->possible_types().begin(); 438 type != (*field)->possible_types().end(); 439 ++type) { 440 DCHECK(*type == UNKNOWN_TYPE || 441 *type == EMPTY_TYPE || 442 available_field_types.count(*type)); 443 } 444 } 445 446 // Set up the <autofillupload> element and its attributes. 447 buzz::XmlElement autofill_request_xml( 448 (buzz::QName(kXMLElementAutofillUpload))); 449 autofill_request_xml.SetAttr(buzz::QName(kAttributeClientVersion), 450 kClientVersion); 451 autofill_request_xml.SetAttr(buzz::QName(kAttributeFormSignature), 452 FormSignature()); 453 autofill_request_xml.SetAttr(buzz::QName(kAttributeAutofillUsed), 454 form_was_autofilled ? "true" : "false"); 455 autofill_request_xml.SetAttr(buzz::QName(kAttributeDataPresent), 456 EncodeFieldTypes(available_field_types).c_str()); 457 458 if (!EncodeFormRequest(FormStructure::UPLOAD, &autofill_request_xml)) 459 return false; // Malformed form, skip it. 460 461 // Obtain the XML structure as a string. 462 *encoded_xml = kXMLDeclaration; 463 *encoded_xml += autofill_request_xml.Str().c_str(); 464 465 // To enable this logging, run with the flag --vmodule="form_structure=2". 466 VLOG(2) << "\n" << *encoded_xml; 467 468 return true; 469 } 470 471 bool FormStructure::EncodeFieldAssignments( 472 const ServerFieldTypeSet& available_field_types, 473 std::string* encoded_xml) const { 474 DCHECK(ShouldBeCrowdsourced()); 475 476 // Set up the <fieldassignments> element and its attributes. 477 buzz::XmlElement autofill_request_xml( 478 (buzz::QName(kXMLElementFieldAssignments))); 479 autofill_request_xml.SetAttr(buzz::QName(kAttributeFormSignature), 480 FormSignature()); 481 482 if (!EncodeFormRequest(FormStructure::FIELD_ASSIGNMENTS, 483 &autofill_request_xml)) 484 return false; // Malformed form, skip it. 485 486 // Obtain the XML structure as a string. 487 *encoded_xml = kXMLDeclaration; 488 *encoded_xml += autofill_request_xml.Str().c_str(); 489 490 return true; 491 } 492 493 // static 494 bool FormStructure::EncodeQueryRequest( 495 const std::vector<FormStructure*>& forms, 496 std::vector<std::string>* encoded_signatures, 497 std::string* encoded_xml) { 498 DCHECK(encoded_signatures); 499 DCHECK(encoded_xml); 500 encoded_xml->clear(); 501 encoded_signatures->clear(); 502 encoded_signatures->reserve(forms.size()); 503 504 // Set up the <autofillquery> element and attributes. 505 buzz::XmlElement autofill_request_xml( 506 (buzz::QName(kXMLElementAutofillQuery))); 507 autofill_request_xml.SetAttr(buzz::QName(kAttributeClientVersion), 508 kClientVersion); 509 510 // Some badly formatted web sites repeat forms - detect that and encode only 511 // one form as returned data would be the same for all the repeated forms. 512 std::set<std::string> processed_forms; 513 for (ScopedVector<FormStructure>::const_iterator it = forms.begin(); 514 it != forms.end(); 515 ++it) { 516 std::string signature((*it)->FormSignature()); 517 if (processed_forms.find(signature) != processed_forms.end()) 518 continue; 519 processed_forms.insert(signature); 520 scoped_ptr<buzz::XmlElement> encompassing_xml_element( 521 new buzz::XmlElement(buzz::QName(kXMLElementForm))); 522 encompassing_xml_element->SetAttr(buzz::QName(kAttributeSignature), 523 signature); 524 525 if (!(*it)->EncodeFormRequest(FormStructure::QUERY, 526 encompassing_xml_element.get())) 527 continue; // Malformed form, skip it. 528 529 autofill_request_xml.AddElement(encompassing_xml_element.release()); 530 encoded_signatures->push_back(signature); 531 } 532 533 if (!encoded_signatures->size()) 534 return false; 535 536 // Note: Chrome used to also set 'accepts="e"' (where 'e' is for experiments), 537 // but no longer sets this because support for experiments is deprecated. If 538 // it ever resurfaces, re-add code here to set the attribute accordingly. 539 540 // Obtain the XML structure as a string. 541 *encoded_xml = kXMLDeclaration; 542 *encoded_xml += autofill_request_xml.Str().c_str(); 543 544 return true; 545 } 546 547 // static 548 void FormStructure::ParseQueryResponse( 549 const std::string& response_xml, 550 const std::vector<FormStructure*>& forms, 551 const AutofillMetrics& metric_logger) { 552 metric_logger.LogServerQueryMetric(AutofillMetrics::QUERY_RESPONSE_RECEIVED); 553 554 // Parse the field types from the server response to the query. 555 std::vector<AutofillServerFieldInfo> field_infos; 556 UploadRequired upload_required; 557 AutofillQueryXmlParser parse_handler(&field_infos, 558 &upload_required); 559 buzz::XmlParser parser(&parse_handler); 560 parser.Parse(response_xml.c_str(), response_xml.length(), true); 561 if (!parse_handler.succeeded()) 562 return; 563 564 metric_logger.LogServerQueryMetric(AutofillMetrics::QUERY_RESPONSE_PARSED); 565 566 bool heuristics_detected_fillable_field = false; 567 bool query_response_overrode_heuristics = false; 568 569 // Copy the field types into the actual form. 570 std::vector<AutofillServerFieldInfo>::iterator current_info = 571 field_infos.begin(); 572 for (std::vector<FormStructure*>::const_iterator iter = forms.begin(); 573 iter != forms.end(); ++iter) { 574 FormStructure* form = *iter; 575 form->upload_required_ = upload_required; 576 577 for (std::vector<AutofillField*>::iterator field = form->fields_.begin(); 578 field != form->fields_.end(); ++field) { 579 if (form->ShouldSkipField(**field)) 580 continue; 581 582 // In some cases *successful* response does not return all the fields. 583 // Quit the update of the types then. 584 if (current_info == field_infos.end()) 585 break; 586 587 // UNKNOWN_TYPE is reserved for use by the client. 588 DCHECK_NE(current_info->field_type, UNKNOWN_TYPE); 589 590 ServerFieldType heuristic_type = (*field)->heuristic_type(); 591 if (heuristic_type != UNKNOWN_TYPE) 592 heuristics_detected_fillable_field = true; 593 594 (*field)->set_server_type(current_info->field_type); 595 if (heuristic_type != (*field)->Type().GetStorableType()) 596 query_response_overrode_heuristics = true; 597 598 // Copy default value into the field if available. 599 if (!current_info->default_value.empty()) 600 (*field)->set_default_value(current_info->default_value); 601 602 ++current_info; 603 } 604 605 form->UpdateAutofillCount(); 606 form->IdentifySections(false); 607 } 608 609 AutofillMetrics::ServerQueryMetric metric; 610 if (query_response_overrode_heuristics) { 611 if (heuristics_detected_fillable_field) { 612 metric = AutofillMetrics::QUERY_RESPONSE_OVERRODE_LOCAL_HEURISTICS; 613 } else { 614 metric = AutofillMetrics::QUERY_RESPONSE_WITH_NO_LOCAL_HEURISTICS; 615 } 616 } else { 617 metric = AutofillMetrics::QUERY_RESPONSE_MATCHED_LOCAL_HEURISTICS; 618 } 619 metric_logger.LogServerQueryMetric(metric); 620 } 621 622 // static 623 void FormStructure::GetFieldTypePredictions( 624 const std::vector<FormStructure*>& form_structures, 625 std::vector<FormDataPredictions>* forms) { 626 forms->clear(); 627 forms->reserve(form_structures.size()); 628 for (size_t i = 0; i < form_structures.size(); ++i) { 629 FormStructure* form_structure = form_structures[i]; 630 FormDataPredictions form; 631 form.data.name = form_structure->form_name_; 632 form.data.method = 633 base::ASCIIToUTF16((form_structure->method_ == POST) ? "POST" : "GET"); 634 form.data.origin = form_structure->source_url_; 635 form.data.action = form_structure->target_url_; 636 form.signature = form_structure->FormSignature(); 637 638 for (std::vector<AutofillField*>::const_iterator field = 639 form_structure->fields_.begin(); 640 field != form_structure->fields_.end(); ++field) { 641 form.data.fields.push_back(FormFieldData(**field)); 642 643 FormFieldDataPredictions annotated_field; 644 annotated_field.signature = (*field)->FieldSignature(); 645 annotated_field.heuristic_type = 646 AutofillType((*field)->heuristic_type()).ToString(); 647 annotated_field.server_type = 648 AutofillType((*field)->server_type()).ToString(); 649 annotated_field.overall_type = (*field)->Type().ToString(); 650 form.fields.push_back(annotated_field); 651 } 652 653 forms->push_back(form); 654 } 655 } 656 657 std::string FormStructure::FormSignature() const { 658 std::string scheme(target_url_.scheme()); 659 std::string host(target_url_.host()); 660 661 // If target host or scheme is empty, set scheme and host of source url. 662 // This is done to match the Toolbar's behavior. 663 if (scheme.empty() || host.empty()) { 664 scheme = source_url_.scheme(); 665 host = source_url_.host(); 666 } 667 668 std::string form_string = scheme + "://" + host + "&" + 669 base::UTF16ToUTF8(form_name_) + 670 form_signature_field_names_; 671 672 return Hash64Bit(form_string); 673 } 674 675 bool FormStructure::ShouldSkipField(const FormFieldData& field) const { 676 return field.is_checkable; 677 } 678 679 bool FormStructure::IsAutofillable(bool require_method_post) const { 680 if (autofill_count() < kRequiredAutofillFields) 681 return false; 682 683 return ShouldBeParsed(require_method_post); 684 } 685 686 void FormStructure::UpdateAutofillCount() { 687 autofill_count_ = 0; 688 for (std::vector<AutofillField*>::const_iterator iter = begin(); 689 iter != end(); ++iter) { 690 AutofillField* field = *iter; 691 if (field && field->IsFieldFillable()) 692 ++autofill_count_; 693 } 694 } 695 696 bool FormStructure::ShouldBeParsed(bool require_method_post) const { 697 if (active_field_count() < kRequiredAutofillFields) 698 return false; 699 700 // Rule out http(s)://*/search?... 701 // e.g. http://www.google.com/search?q=... 702 // http://search.yahoo.com/search?p=... 703 if (target_url_.path() == "/search") 704 return false; 705 706 bool has_text_field = false; 707 for (std::vector<AutofillField*>::const_iterator it = begin(); 708 it != end() && !has_text_field; ++it) { 709 has_text_field |= (*it)->form_control_type != "select-one"; 710 } 711 if (!has_text_field) 712 return false; 713 714 return !require_method_post || (method_ == POST); 715 } 716 717 bool FormStructure::ShouldBeCrowdsourced() const { 718 return !has_author_specified_types_ && ShouldBeParsed(true); 719 } 720 721 void FormStructure::UpdateFromCache(const FormStructure& cached_form) { 722 // Map from field signatures to cached fields. 723 std::map<std::string, const AutofillField*> cached_fields; 724 for (size_t i = 0; i < cached_form.field_count(); ++i) { 725 const AutofillField* field = cached_form.field(i); 726 cached_fields[field->FieldSignature()] = field; 727 } 728 729 for (std::vector<AutofillField*>::const_iterator iter = begin(); 730 iter != end(); ++iter) { 731 AutofillField* field = *iter; 732 733 std::map<std::string, const AutofillField*>::const_iterator 734 cached_field = cached_fields.find(field->FieldSignature()); 735 if (cached_field != cached_fields.end()) { 736 if (field->form_control_type != "select-one" && 737 field->value == cached_field->second->value) { 738 // From the perspective of learning user data, text fields containing 739 // default values are equivalent to empty fields. 740 field->value = base::string16(); 741 } 742 743 field->set_heuristic_type(cached_field->second->heuristic_type()); 744 field->set_server_type(cached_field->second->server_type()); 745 } 746 } 747 748 UpdateAutofillCount(); 749 750 // The form signature should match between query and upload requests to the 751 // server. On many websites, form elements are dynamically added, removed, or 752 // rearranged via JavaScript between page load and form submission, so we 753 // copy over the |form_signature_field_names_| corresponding to the query 754 // request. 755 DCHECK_EQ(cached_form.form_name_, form_name_); 756 DCHECK_EQ(cached_form.source_url_, source_url_); 757 DCHECK_EQ(cached_form.target_url_, target_url_); 758 form_signature_field_names_ = cached_form.form_signature_field_names_; 759 } 760 761 void FormStructure::LogQualityMetrics( 762 const AutofillMetrics& metric_logger, 763 const base::TimeTicks& load_time, 764 const base::TimeTicks& interaction_time, 765 const base::TimeTicks& submission_time) const { 766 size_t num_detected_field_types = 0; 767 bool did_autofill_all_possible_fields = true; 768 bool did_autofill_some_possible_fields = false; 769 for (size_t i = 0; i < field_count(); ++i) { 770 const AutofillField* field = this->field(i); 771 772 // No further logging for empty fields nor for fields where the entered data 773 // does not appear to already exist in the user's stored Autofill data. 774 const ServerFieldTypeSet& field_types = field->possible_types(); 775 DCHECK(!field_types.empty()); 776 if (field_types.count(EMPTY_TYPE) || field_types.count(UNKNOWN_TYPE)) 777 continue; 778 779 // Similarly, no further logging for password fields. Those are primarily 780 // related to a different feature code path, and so make more sense to track 781 // outside of this metric. 782 if (field->form_control_type == "password") 783 continue; 784 785 ++num_detected_field_types; 786 if (field->is_autofilled) 787 did_autofill_some_possible_fields = true; 788 else 789 did_autofill_all_possible_fields = false; 790 791 // Collapse field types that Chrome treats as identical, e.g. home and 792 // billing address fields. 793 ServerFieldTypeSet collapsed_field_types; 794 for (ServerFieldTypeSet::const_iterator it = field_types.begin(); 795 it != field_types.end(); 796 ++it) { 797 // Since we currently only support US phone numbers, the (city code + main 798 // digits) number is almost always identical to the whole phone number. 799 // TODO(isherman): Improve this logic once we add support for 800 // international numbers. 801 if (*it == PHONE_HOME_CITY_AND_NUMBER) 802 collapsed_field_types.insert(PHONE_HOME_WHOLE_NUMBER); 803 else 804 collapsed_field_types.insert(AutofillType(*it).GetStorableType()); 805 } 806 807 // Capture the field's type, if it is unambiguous. 808 ServerFieldType field_type = UNKNOWN_TYPE; 809 if (collapsed_field_types.size() == 1) 810 field_type = *collapsed_field_types.begin(); 811 812 ServerFieldType heuristic_type = 813 AutofillType(field->heuristic_type()).GetStorableType(); 814 ServerFieldType server_type = 815 AutofillType(field->server_type()).GetStorableType(); 816 ServerFieldType predicted_type = field->Type().GetStorableType(); 817 818 // Log heuristic, server, and overall type quality metrics, independently of 819 // whether the field was autofilled. 820 if (heuristic_type == UNKNOWN_TYPE) { 821 metric_logger.LogHeuristicTypePrediction(AutofillMetrics::TYPE_UNKNOWN, 822 field_type); 823 } else if (field_types.count(heuristic_type)) { 824 metric_logger.LogHeuristicTypePrediction(AutofillMetrics::TYPE_MATCH, 825 field_type); 826 } else { 827 metric_logger.LogHeuristicTypePrediction(AutofillMetrics::TYPE_MISMATCH, 828 field_type); 829 } 830 831 if (server_type == NO_SERVER_DATA) { 832 metric_logger.LogServerTypePrediction(AutofillMetrics::TYPE_UNKNOWN, 833 field_type); 834 } else if (field_types.count(server_type)) { 835 metric_logger.LogServerTypePrediction(AutofillMetrics::TYPE_MATCH, 836 field_type); 837 } else { 838 metric_logger.LogServerTypePrediction(AutofillMetrics::TYPE_MISMATCH, 839 field_type); 840 } 841 842 if (predicted_type == UNKNOWN_TYPE) { 843 metric_logger.LogOverallTypePrediction(AutofillMetrics::TYPE_UNKNOWN, 844 field_type); 845 } else if (field_types.count(predicted_type)) { 846 metric_logger.LogOverallTypePrediction(AutofillMetrics::TYPE_MATCH, 847 field_type); 848 } else { 849 metric_logger.LogOverallTypePrediction(AutofillMetrics::TYPE_MISMATCH, 850 field_type); 851 } 852 } 853 854 if (num_detected_field_types < kRequiredAutofillFields) { 855 metric_logger.LogUserHappinessMetric( 856 AutofillMetrics::SUBMITTED_NON_FILLABLE_FORM); 857 } else { 858 if (did_autofill_all_possible_fields) { 859 metric_logger.LogUserHappinessMetric( 860 AutofillMetrics::SUBMITTED_FILLABLE_FORM_AUTOFILLED_ALL); 861 } else if (did_autofill_some_possible_fields) { 862 metric_logger.LogUserHappinessMetric( 863 AutofillMetrics::SUBMITTED_FILLABLE_FORM_AUTOFILLED_SOME); 864 } else { 865 metric_logger.LogUserHappinessMetric( 866 AutofillMetrics::SUBMITTED_FILLABLE_FORM_AUTOFILLED_NONE); 867 } 868 869 // Unlike the other times, the |submission_time| should always be available. 870 DCHECK(!submission_time.is_null()); 871 872 // The |load_time| might be unset, in the case that the form was dynamically 873 // added to the DOM. 874 if (!load_time.is_null()) { 875 // Submission should always chronologically follow form load. 876 DCHECK(submission_time > load_time); 877 base::TimeDelta elapsed = submission_time - load_time; 878 if (did_autofill_some_possible_fields) 879 metric_logger.LogFormFillDurationFromLoadWithAutofill(elapsed); 880 else 881 metric_logger.LogFormFillDurationFromLoadWithoutAutofill(elapsed); 882 } 883 884 // The |interaction_time| might be unset, in the case that the user 885 // submitted a blank form. 886 if (!interaction_time.is_null()) { 887 // Submission should always chronologically follow interaction. 888 DCHECK(submission_time > interaction_time); 889 base::TimeDelta elapsed = submission_time - interaction_time; 890 if (did_autofill_some_possible_fields) { 891 metric_logger.LogFormFillDurationFromInteractionWithAutofill(elapsed); 892 } else { 893 metric_logger.LogFormFillDurationFromInteractionWithoutAutofill( 894 elapsed); 895 } 896 } 897 } 898 } 899 900 const AutofillField* FormStructure::field(size_t index) const { 901 if (index >= fields_.size()) { 902 NOTREACHED(); 903 return NULL; 904 } 905 906 return fields_[index]; 907 } 908 909 AutofillField* FormStructure::field(size_t index) { 910 return const_cast<AutofillField*>( 911 static_cast<const FormStructure*>(this)->field(index)); 912 } 913 914 size_t FormStructure::field_count() const { 915 return fields_.size(); 916 } 917 918 size_t FormStructure::active_field_count() const { 919 return active_field_count_; 920 } 921 922 FormData FormStructure::ToFormData() const { 923 // |data.user_submitted| will always be false. 924 FormData data; 925 data.name = form_name_; 926 data.origin = source_url_; 927 data.action = target_url_; 928 data.method = base::ASCIIToUTF16(method_ == POST ? "POST" : "GET"); 929 930 for (size_t i = 0; i < fields_.size(); ++i) { 931 data.fields.push_back(FormFieldData(*fields_[i])); 932 } 933 934 return data; 935 } 936 937 bool FormStructure::operator==(const FormData& form) const { 938 // TODO(jhawkins): Is this enough to differentiate a form? 939 if (form_name_ == form.name && 940 source_url_ == form.origin && 941 target_url_ == form.action) { 942 return true; 943 } 944 945 // TODO(jhawkins): Compare field names, IDs and labels once we have labels 946 // set up. 947 948 return false; 949 } 950 951 bool FormStructure::operator!=(const FormData& form) const { 952 return !operator==(form); 953 } 954 955 std::string FormStructure::Hash64Bit(const std::string& str) { 956 std::string hash_bin = base::SHA1HashString(str); 957 DCHECK_EQ(20U, hash_bin.length()); 958 959 uint64 hash64 = (((static_cast<uint64>(hash_bin[0])) & 0xFF) << 56) | 960 (((static_cast<uint64>(hash_bin[1])) & 0xFF) << 48) | 961 (((static_cast<uint64>(hash_bin[2])) & 0xFF) << 40) | 962 (((static_cast<uint64>(hash_bin[3])) & 0xFF) << 32) | 963 (((static_cast<uint64>(hash_bin[4])) & 0xFF) << 24) | 964 (((static_cast<uint64>(hash_bin[5])) & 0xFF) << 16) | 965 (((static_cast<uint64>(hash_bin[6])) & 0xFF) << 8) | 966 ((static_cast<uint64>(hash_bin[7])) & 0xFF); 967 968 return base::Uint64ToString(hash64); 969 } 970 971 bool FormStructure::EncodeFormRequest( 972 FormStructure::EncodeRequestType request_type, 973 buzz::XmlElement* encompassing_xml_element) const { 974 if (!field_count()) // Nothing to add. 975 return false; 976 977 // Some badly formatted web sites repeat fields - limit number of fields to 978 // 48, which is far larger than any valid form and XML still fits into 2K. 979 // Do not send requests for forms with more than this many fields, as they are 980 // near certainly not valid/auto-fillable. 981 const size_t kMaxFieldsOnTheForm = 48; 982 if (field_count() > kMaxFieldsOnTheForm) 983 return false; 984 985 // Add the child nodes for the form fields. 986 for (size_t index = 0; index < field_count(); ++index) { 987 const AutofillField* field = fields_[index]; 988 switch (request_type) { 989 case FormStructure::UPLOAD: 990 EncodeFieldForUpload(*field, encompassing_xml_element); 991 break; 992 case FormStructure::QUERY: 993 if (ShouldSkipField(*field)) 994 continue; 995 EncodeFieldForQuery(*field, encompassing_xml_element); 996 break; 997 case FormStructure::FIELD_ASSIGNMENTS: 998 EncodeFieldForFieldAssignments(*field, encompassing_xml_element); 999 break; 1000 } 1001 } 1002 return true; 1003 } 1004 1005 void FormStructure::ParseFieldTypesFromAutocompleteAttributes( 1006 bool* found_types, 1007 bool* found_sections) { 1008 const std::string kDefaultSection = "-default"; 1009 1010 *found_types = false; 1011 *found_sections = false; 1012 for (std::vector<AutofillField*>::iterator it = fields_.begin(); 1013 it != fields_.end(); ++it) { 1014 AutofillField* field = *it; 1015 1016 // To prevent potential section name collisions, add a default suffix for 1017 // other fields. Without this, 'autocomplete' attribute values 1018 // "section--shipping street-address" and "shipping street-address" would be 1019 // parsed identically, given the section handling code below. We do this 1020 // before any validation so that fields with invalid attributes still end up 1021 // in the default section. These default section names will be overridden 1022 // by subsequent heuristic parsing steps if there are no author-specified 1023 // section names. 1024 field->set_section(kDefaultSection); 1025 1026 // Canonicalize the attribute value by trimming whitespace, collapsing 1027 // non-space characters (e.g. tab) to spaces, and converting to lowercase. 1028 std::string autocomplete_attribute = 1029 base::CollapseWhitespaceASCII(field->autocomplete_attribute, false); 1030 autocomplete_attribute = StringToLowerASCII(autocomplete_attribute); 1031 1032 // The autocomplete attribute is overloaded: it can specify either a field 1033 // type hint or whether autocomplete should be enabled at all. Ignore the 1034 // latter type of attribute value. 1035 if (autocomplete_attribute.empty() || 1036 autocomplete_attribute == "on" || 1037 autocomplete_attribute == "off") { 1038 continue; 1039 } 1040 1041 // Any other value, even it is invalid, is considered to be a type hint. 1042 // This allows a website's author to specify an attribute like 1043 // autocomplete="other" on a field to disable all Autofill heuristics for 1044 // the form. 1045 *found_types = true; 1046 1047 // Tokenize the attribute value. Per the spec, the tokens are parsed in 1048 // reverse order. 1049 std::vector<std::string> tokens; 1050 Tokenize(autocomplete_attribute, " ", &tokens); 1051 1052 // The final token must be the field type. 1053 // If it is not one of the known types, abort. 1054 DCHECK(!tokens.empty()); 1055 std::string field_type_token = tokens.back(); 1056 tokens.pop_back(); 1057 HtmlFieldType field_type = 1058 FieldTypeFromAutocompleteAttributeValue(field_type_token, *field); 1059 if (field_type == HTML_TYPE_UNKNOWN) 1060 continue; 1061 1062 // The preceding token, if any, may be a type hint. 1063 if (!tokens.empty() && IsContactTypeHint(tokens.back())) { 1064 // If it is, it must match the field type; otherwise, abort. 1065 // Note that an invalid token invalidates the entire attribute value, even 1066 // if the other tokens are valid. 1067 if (!ContactTypeHintMatchesFieldType(tokens.back(), field_type)) 1068 continue; 1069 1070 // Chrome Autofill ignores these type hints. 1071 tokens.pop_back(); 1072 } 1073 1074 // The preceding token, if any, may be a fixed string that is either 1075 // "shipping" or "billing". Chrome Autofill treats these as implicit 1076 // section name suffixes. 1077 DCHECK_EQ(kDefaultSection, field->section()); 1078 std::string section = field->section(); 1079 HtmlFieldMode mode = HTML_MODE_NONE; 1080 if (!tokens.empty()) { 1081 if (tokens.back() == kShippingMode) 1082 mode = HTML_MODE_SHIPPING; 1083 else if (tokens.back() == kBillingMode) 1084 mode = HTML_MODE_BILLING; 1085 } 1086 1087 if (mode != HTML_MODE_NONE) { 1088 section = "-" + tokens.back(); 1089 tokens.pop_back(); 1090 } 1091 1092 // The preceding token, if any, may be a named section. 1093 const std::string kSectionPrefix = "section-"; 1094 if (!tokens.empty() && 1095 StartsWithASCII(tokens.back(), kSectionPrefix, true)) { 1096 // Prepend this section name to the suffix set in the preceding block. 1097 section = tokens.back().substr(kSectionPrefix.size()) + section; 1098 tokens.pop_back(); 1099 } 1100 1101 // No other tokens are allowed. If there are any remaining, abort. 1102 if (!tokens.empty()) 1103 continue; 1104 1105 if (section != kDefaultSection) { 1106 *found_sections = true; 1107 field->set_section(section); 1108 } 1109 1110 // No errors encountered while parsing! 1111 // Update the |field|'s type based on what was parsed from the attribute. 1112 field->SetHtmlType(field_type, mode); 1113 } 1114 } 1115 1116 bool FormStructure::FillFields( 1117 const std::vector<ServerFieldType>& types, 1118 const InputFieldComparator& matches, 1119 const base::Callback<base::string16(const AutofillType&)>& get_info, 1120 const std::string& app_locale) { 1121 bool filled_something = false; 1122 for (size_t i = 0; i < field_count(); ++i) { 1123 for (size_t j = 0; j < types.size(); ++j) { 1124 if (matches.Run(types[j], *field(i))) { 1125 AutofillField::FillFormField(*field(i), 1126 get_info.Run(field(i)->Type()), 1127 app_locale, 1128 field(i)); 1129 filled_something = true; 1130 break; 1131 } 1132 } 1133 } 1134 return filled_something; 1135 } 1136 1137 std::set<base::string16> FormStructure::PossibleValues(ServerFieldType type) { 1138 std::set<base::string16> values; 1139 AutofillType target_type(type); 1140 for (std::vector<AutofillField*>::iterator iter = fields_.begin(); 1141 iter != fields_.end(); ++iter) { 1142 AutofillField* field = *iter; 1143 if (field->Type().GetStorableType() != target_type.GetStorableType() || 1144 field->Type().group() != target_type.group()) { 1145 continue; 1146 } 1147 1148 // No option values; anything goes. 1149 if (field->option_values.empty()) 1150 return std::set<base::string16>(); 1151 1152 for (size_t i = 0; i < field->option_values.size(); ++i) { 1153 if (!field->option_values[i].empty()) 1154 values.insert(base::i18n::ToUpper(field->option_values[i])); 1155 } 1156 1157 for (size_t i = 0; i < field->option_contents.size(); ++i) { 1158 if (!field->option_contents[i].empty()) 1159 values.insert(base::i18n::ToUpper(field->option_contents[i])); 1160 } 1161 } 1162 1163 return values; 1164 } 1165 1166 void FormStructure::IdentifySections(bool has_author_specified_sections) { 1167 if (fields_.empty()) 1168 return; 1169 1170 if (!has_author_specified_sections) { 1171 // Name sections after the first field in the section. 1172 base::string16 current_section = fields_.front()->unique_name(); 1173 1174 // Keep track of the types we've seen in this section. 1175 std::set<ServerFieldType> seen_types; 1176 ServerFieldType previous_type = UNKNOWN_TYPE; 1177 1178 for (std::vector<AutofillField*>::iterator field = fields_.begin(); 1179 field != fields_.end(); ++field) { 1180 const ServerFieldType current_type = (*field)->Type().GetStorableType(); 1181 1182 bool already_saw_current_type = seen_types.count(current_type) > 0; 1183 1184 // Forms often ask for multiple phone numbers -- e.g. both a daytime and 1185 // evening phone number. Our phone number detection is also generally a 1186 // little off. Hence, ignore this field type as a signal here. 1187 if (AutofillType(current_type).group() == PHONE_HOME) 1188 already_saw_current_type = false; 1189 1190 // Some forms have adjacent fields of the same type. Two common examples: 1191 // * Forms with two email fields, where the second is meant to "confirm" 1192 // the first. 1193 // * Forms with a <select> menu for states in some countries, and a 1194 // freeform <input> field for states in other countries. (Usually, 1195 // only one of these two will be visible for any given choice of 1196 // country.) 1197 // Generally, adjacent fields of the same type belong in the same logical 1198 // section. 1199 if (current_type == previous_type) 1200 already_saw_current_type = false; 1201 1202 previous_type = current_type; 1203 1204 if (current_type != UNKNOWN_TYPE && already_saw_current_type) { 1205 // We reached the end of a section, so start a new section. 1206 seen_types.clear(); 1207 current_section = (*field)->unique_name(); 1208 } 1209 1210 seen_types.insert(current_type); 1211 (*field)->set_section(base::UTF16ToUTF8(current_section)); 1212 } 1213 } 1214 1215 // Ensure that credit card and address fields are in separate sections. 1216 // This simplifies the section-aware logic in autofill_manager.cc. 1217 for (std::vector<AutofillField*>::iterator field = fields_.begin(); 1218 field != fields_.end(); ++field) { 1219 FieldTypeGroup field_type_group = (*field)->Type().group(); 1220 if (field_type_group == CREDIT_CARD) 1221 (*field)->set_section((*field)->section() + "-cc"); 1222 else 1223 (*field)->set_section((*field)->section() + "-default"); 1224 } 1225 } 1226 1227 } // namespace autofill 1228
