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/webrtc/libjingle/xmllite/xmlelement.h" 32 33 namespace autofill { 34 namespace { 35 36 // XML elements and attributes. 37 const char kAttributeAutofillUsed[] = "autofillused"; 38 const char kAttributeAutofillType[] = "autofilltype"; 39 const char kAttributeClientVersion[] = "clientversion"; 40 const char kAttributeDataPresent[] = "datapresent"; 41 const char kAttributeFieldID[] = "fieldid"; 42 const char kAttributeFieldType[] = "fieldtype"; 43 const char kAttributeFormSignature[] = "formsignature"; 44 const char kAttributeName[] = "name"; 45 const char kAttributeSignature[] = "signature"; 46 const char kClientVersion[] = "6.1.1715.1442/en (GGLL)"; 47 const char kXMLDeclaration[] = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"; 48 const char kXMLElementAutofillQuery[] = "autofillquery"; 49 const char kXMLElementAutofillUpload[] = "autofillupload"; 50 const char kXMLElementFieldAssignments[] = "fieldassignments"; 51 const char kXMLElementField[] = "field"; 52 const char kXMLElementFields[] = "fields"; 53 const char kXMLElementForm[] = "form"; 54 const char kBillingMode[] = "billing"; 55 const char kShippingMode[] = "shipping"; 56 57 // Stip away >= 5 consecutive digits. 58 const char kIgnorePatternInFieldName[] = "\\d{5,}+"; 59 60 // Helper for |EncodeUploadRequest()| that creates a bit field corresponding to 61 // |available_field_types| and returns the hex representation as a string. 62 std::string EncodeFieldTypes(const ServerFieldTypeSet& available_field_types) { 63 // There are |MAX_VALID_FIELD_TYPE| different field types and 8 bits per byte, 64 // so we need ceil(MAX_VALID_FIELD_TYPE / 8) bytes to encode the bit field. 65 const size_t kNumBytes = (MAX_VALID_FIELD_TYPE + 0x7) / 8; 66 67 // Pack the types in |available_field_types| into |bit_field|. 68 std::vector<uint8> bit_field(kNumBytes, 0); 69 for (ServerFieldTypeSet::const_iterator field_type = 70 available_field_types.begin(); 71 field_type != available_field_types.end(); 72 ++field_type) { 73 // Set the appropriate bit in the field. The bit we set is the one 74 // |field_type| % 8 from the left of the byte. 75 const size_t byte = *field_type / 8; 76 const size_t bit = 0x80 >> (*field_type % 8); 77 DCHECK(byte < bit_field.size()); 78 bit_field[byte] |= bit; 79 } 80 81 // Discard any trailing zeroes. 82 // If there are no available types, we return the empty string. 83 size_t data_end = bit_field.size(); 84 for (; data_end > 0 && !bit_field[data_end - 1]; --data_end) { 85 } 86 87 // Print all meaningfull bytes into a string. 88 std::string data_presence; 89 data_presence.reserve(data_end * 2 + 1); 90 for (size_t i = 0; i < data_end; ++i) { 91 base::StringAppendF(&data_presence, "%02x", bit_field[i]); 92 } 93 94 return data_presence; 95 } 96 97 // Helper for |EncodeFormRequest()| that creates XmlElements for the given field 98 // in upload xml, and also add them to the parent XmlElement. 99 void EncodeFieldForUpload(const AutofillField& field, 100 buzz::XmlElement* parent) { 101 // Don't upload checkable fields. 102 if (field.is_checkable) 103 return; 104 105 ServerFieldTypeSet types = field.possible_types(); 106 // |types| could be empty in unit-tests only. 107 for (ServerFieldTypeSet::iterator field_type = types.begin(); 108 field_type != types.end(); ++field_type) { 109 buzz::XmlElement *field_element = new buzz::XmlElement( 110 buzz::QName(kXMLElementField)); 111 112 field_element->SetAttr(buzz::QName(kAttributeSignature), 113 field.FieldSignature()); 114 field_element->SetAttr(buzz::QName(kAttributeAutofillType), 115 base::IntToString(*field_type)); 116 parent->AddElement(field_element); 117 } 118 } 119 120 // Helper for |EncodeFormRequest()| that creates XmlElement for the given field 121 // in query xml, and also add it to the parent XmlElement. 122 void EncodeFieldForQuery(const AutofillField& field, 123 buzz::XmlElement* parent) { 124 buzz::XmlElement *field_element = new buzz::XmlElement( 125 buzz::QName(kXMLElementField)); 126 field_element->SetAttr(buzz::QName(kAttributeSignature), 127 field.FieldSignature()); 128 parent->AddElement(field_element); 129 } 130 131 // Helper for |EncodeFormRequest()| that creates XmlElements for the given field 132 // in field assignments xml, and also add them to the parent XmlElement. 133 void EncodeFieldForFieldAssignments(const AutofillField& field, 134 buzz::XmlElement* parent) { 135 ServerFieldTypeSet types = field.possible_types(); 136 for (ServerFieldTypeSet::iterator field_type = types.begin(); 137 field_type != types.end(); ++field_type) { 138 buzz::XmlElement *field_element = new buzz::XmlElement( 139 buzz::QName(kXMLElementFields)); 140 141 field_element->SetAttr(buzz::QName(kAttributeFieldID), 142 field.FieldSignature()); 143 field_element->SetAttr(buzz::QName(kAttributeFieldType), 144 base::IntToString(*field_type)); 145 field_element->SetAttr(buzz::QName(kAttributeName), 146 base::UTF16ToUTF8(field.name)); 147 parent->AddElement(field_element); 148 } 149 } 150 151 // Returns |true| iff the |token| is a type hint for a contact field, as 152 // specified in the implementation section of http://is.gd/whatwg_autocomplete 153 // Note that "fax" and "pager" are intentionally ignored, as Chrome does not 154 // support filling either type of information. 155 bool IsContactTypeHint(const std::string& token) { 156 return token == "home" || token == "work" || token == "mobile"; 157 } 158 159 // Returns |true| iff the |token| is a type hint appropriate for a field of the 160 // given |field_type|, as specified in the implementation section of 161 // http://is.gd/whatwg_autocomplete 162 bool ContactTypeHintMatchesFieldType(const std::string& token, 163 HtmlFieldType field_type) { 164 // The "home" and "work" type hints are only appropriate for email and phone 165 // number field types. 166 if (token == "home" || token == "work") { 167 return field_type == HTML_TYPE_EMAIL || 168 (field_type >= HTML_TYPE_TEL && 169 field_type <= HTML_TYPE_TEL_LOCAL_SUFFIX); 170 } 171 172 // The "mobile" type hint is only appropriate for phone number field types. 173 // Note that "fax" and "pager" are intentionally ignored, as Chrome does not 174 // support filling either type of information. 175 if (token == "mobile") { 176 return field_type >= HTML_TYPE_TEL && 177 field_type <= HTML_TYPE_TEL_LOCAL_SUFFIX; 178 } 179 180 return false; 181 } 182 183 // Returns the Chrome Autofill-supported field type corresponding to the given 184 // |autocomplete_attribute_value|, if there is one, in the context of the given 185 // |field|. Chrome Autofill supports a subset of the field types listed at 186 // http://is.gd/whatwg_autocomplete 187 HtmlFieldType FieldTypeFromAutocompleteAttributeValue( 188 const std::string& autocomplete_attribute_value, 189 const AutofillField& field) { 190 if (autocomplete_attribute_value == "name") 191 return HTML_TYPE_NAME; 192 193 if (autocomplete_attribute_value == "given-name") 194 return HTML_TYPE_GIVEN_NAME; 195 196 if (autocomplete_attribute_value == "additional-name") { 197 if (field.max_length == 1) 198 return HTML_TYPE_ADDITIONAL_NAME_INITIAL; 199 else 200 return HTML_TYPE_ADDITIONAL_NAME; 201 } 202 203 if (autocomplete_attribute_value == "family-name") 204 return HTML_TYPE_FAMILY_NAME; 205 206 if (autocomplete_attribute_value == "organization") 207 return HTML_TYPE_ORGANIZATION; 208 209 if (autocomplete_attribute_value == "street-address") 210 return HTML_TYPE_STREET_ADDRESS; 211 212 if (autocomplete_attribute_value == "address-line1") 213 return HTML_TYPE_ADDRESS_LINE1; 214 215 if (autocomplete_attribute_value == "address-line2") 216 return HTML_TYPE_ADDRESS_LINE2; 217 218 if (autocomplete_attribute_value == "address-line3") 219 return HTML_TYPE_ADDRESS_LINE3; 220 221 // TODO(estade): remove support for "locality" and "region". 222 if (autocomplete_attribute_value == "locality") 223 return HTML_TYPE_ADDRESS_LEVEL2; 224 225 if (autocomplete_attribute_value == "region") 226 return HTML_TYPE_ADDRESS_LEVEL1; 227 228 if (autocomplete_attribute_value == "address-level1") 229 return HTML_TYPE_ADDRESS_LEVEL1; 230 231 if (autocomplete_attribute_value == "address-level2") 232 return HTML_TYPE_ADDRESS_LEVEL2; 233 234 if (autocomplete_attribute_value == "address-level3") 235 return HTML_TYPE_ADDRESS_LEVEL3; 236 237 if (autocomplete_attribute_value == "country") 238 return HTML_TYPE_COUNTRY_CODE; 239 240 if (autocomplete_attribute_value == "country-name") 241 return HTML_TYPE_COUNTRY_NAME; 242 243 if (autocomplete_attribute_value == "postal-code") 244 return HTML_TYPE_POSTAL_CODE; 245 246 // content_switches.h isn't accessible from here, hence we have 247 // to copy the string literal. This should be removed soon anyway. 248 if (autocomplete_attribute_value == "address" && 249 CommandLine::ForCurrentProcess()->HasSwitch( 250 "enable-experimental-web-platform-features")) { 251 return HTML_TYPE_FULL_ADDRESS; 252 } 253 254 if (autocomplete_attribute_value == "cc-name") 255 return HTML_TYPE_CREDIT_CARD_NAME; 256 257 if (autocomplete_attribute_value == "cc-number") 258 return HTML_TYPE_CREDIT_CARD_NUMBER; 259 260 if (autocomplete_attribute_value == "cc-exp") { 261 if (field.max_length == 5) 262 return HTML_TYPE_CREDIT_CARD_EXP_DATE_2_DIGIT_YEAR; 263 else if (field.max_length == 7) 264 return HTML_TYPE_CREDIT_CARD_EXP_DATE_4_DIGIT_YEAR; 265 else 266 return HTML_TYPE_CREDIT_CARD_EXP; 267 } 268 269 if (autocomplete_attribute_value == "cc-exp-month") 270 return HTML_TYPE_CREDIT_CARD_EXP_MONTH; 271 272 if (autocomplete_attribute_value == "cc-exp-year") { 273 if (field.max_length == 2) 274 return HTML_TYPE_CREDIT_CARD_EXP_2_DIGIT_YEAR; 275 else if (field.max_length == 4) 276 return HTML_TYPE_CREDIT_CARD_EXP_4_DIGIT_YEAR; 277 else 278 return HTML_TYPE_CREDIT_CARD_EXP_YEAR; 279 } 280 281 if (autocomplete_attribute_value == "cc-csc") 282 return HTML_TYPE_CREDIT_CARD_VERIFICATION_CODE; 283 284 if (autocomplete_attribute_value == "cc-type") 285 return HTML_TYPE_CREDIT_CARD_TYPE; 286 287 if (autocomplete_attribute_value == "transaction-amount") 288 return HTML_TYPE_TRANSACTION_AMOUNT; 289 290 if (autocomplete_attribute_value == "transaction-currency") 291 return HTML_TYPE_TRANSACTION_CURRENCY; 292 293 if (autocomplete_attribute_value == "tel") 294 return HTML_TYPE_TEL; 295 296 if (autocomplete_attribute_value == "tel-country-code") 297 return HTML_TYPE_TEL_COUNTRY_CODE; 298 299 if (autocomplete_attribute_value == "tel-national") 300 return HTML_TYPE_TEL_NATIONAL; 301 302 if (autocomplete_attribute_value == "tel-area-code") 303 return HTML_TYPE_TEL_AREA_CODE; 304 305 if (autocomplete_attribute_value == "tel-local") 306 return HTML_TYPE_TEL_LOCAL; 307 308 if (autocomplete_attribute_value == "tel-local-prefix") 309 return HTML_TYPE_TEL_LOCAL_PREFIX; 310 311 if (autocomplete_attribute_value == "tel-local-suffix") 312 return HTML_TYPE_TEL_LOCAL_SUFFIX; 313 314 if (autocomplete_attribute_value == "email") 315 return HTML_TYPE_EMAIL; 316 317 return HTML_TYPE_UNKNOWN; 318 } 319 320 std::string StripDigitsIfRequired(const base::string16& input) { 321 UErrorCode status = U_ZERO_ERROR; 322 CR_DEFINE_STATIC_LOCAL(icu::UnicodeString, icu_pattern, 323 (kIgnorePatternInFieldName)); 324 CR_DEFINE_STATIC_LOCAL(icu::RegexMatcher, matcher, 325 (icu_pattern, UREGEX_CASE_INSENSITIVE, status)); 326 DCHECK_EQ(status, U_ZERO_ERROR); 327 328 icu::UnicodeString icu_input(input.data(), input.length()); 329 matcher.reset(icu_input); 330 331 icu::UnicodeString replaced_string = matcher.replaceAll("", status); 332 333 std::string return_string; 334 status = U_ZERO_ERROR; 335 base::UTF16ToUTF8(replaced_string.getBuffer(), 336 static_cast<size_t>(replaced_string.length()), 337 &return_string); 338 if (status != U_ZERO_ERROR) { 339 DVLOG(1) << "Couldn't strip digits in " << base::UTF16ToUTF8(input); 340 return base::UTF16ToUTF8(input); 341 } 342 343 return return_string; 344 } 345 346 } // namespace 347 348 FormStructure::FormStructure(const FormData& form) 349 : form_name_(form.name), 350 source_url_(form.origin), 351 target_url_(form.action), 352 autofill_count_(0), 353 active_field_count_(0), 354 upload_required_(USE_UPLOAD_RATES), 355 has_author_specified_types_(false) { 356 // Copy the form fields. 357 std::map<base::string16, size_t> unique_names; 358 for (std::vector<FormFieldData>::const_iterator field = 359 form.fields.begin(); 360 field != form.fields.end(); ++field) { 361 if (!ShouldSkipField(*field)) { 362 // Add all supported form fields (including with empty names) to the 363 // signature. This is a requirement for Autofill servers. 364 form_signature_field_names_.append("&"); 365 form_signature_field_names_.append(StripDigitsIfRequired(field->name)); 366 367 ++active_field_count_; 368 } 369 370 // Generate a unique name for this field by appending a counter to the name. 371 // Make sure to prepend the counter with a non-numeric digit so that we are 372 // guaranteed to avoid collisions. 373 if (!unique_names.count(field->name)) 374 unique_names[field->name] = 1; 375 else 376 ++unique_names[field->name]; 377 base::string16 unique_name = field->name + base::ASCIIToUTF16("_") + 378 base::IntToString16(unique_names[field->name]); 379 fields_.push_back(new AutofillField(*field, unique_name)); 380 } 381 } 382 383 FormStructure::~FormStructure() {} 384 385 void FormStructure::DetermineHeuristicTypes( 386 const AutofillMetrics& metric_logger) { 387 // First, try to detect field types based on each field's |autocomplete| 388 // attribute value. If there is at least one form field that specifies an 389 // autocomplete type hint, don't try to apply other heuristics to match fields 390 // in this form. 391 bool has_author_specified_sections; 392 ParseFieldTypesFromAutocompleteAttributes(&has_author_specified_types_, 393 &has_author_specified_sections); 394 395 if (!has_author_specified_types_) { 396 ServerFieldTypeMap field_type_map; 397 FormField::ParseFormFields(fields_.get(), &field_type_map); 398 for (size_t i = 0; i < field_count(); ++i) { 399 AutofillField* field = fields_[i]; 400 ServerFieldTypeMap::iterator iter = 401 field_type_map.find(field->unique_name()); 402 if (iter != field_type_map.end()) 403 field->set_heuristic_type(iter->second); 404 } 405 } 406 407 UpdateAutofillCount(); 408 IdentifySections(has_author_specified_sections); 409 410 if (IsAutofillable()) { 411 metric_logger.LogDeveloperEngagementMetric( 412 AutofillMetrics::FILLABLE_FORM_PARSED); 413 if (has_author_specified_types_) { 414 metric_logger.LogDeveloperEngagementMetric( 415 AutofillMetrics::FILLABLE_FORM_CONTAINS_TYPE_HINTS); 416 } 417 } 418 } 419 420 bool FormStructure::EncodeUploadRequest( 421 const ServerFieldTypeSet& available_field_types, 422 bool form_was_autofilled, 423 std::string* encoded_xml) const { 424 DCHECK(ShouldBeCrowdsourced()); 425 426 // Verify that |available_field_types| agrees with the possible field types we 427 // are uploading. 428 for (std::vector<AutofillField*>::const_iterator field = begin(); 429 field != end(); 430 ++field) { 431 for (ServerFieldTypeSet::const_iterator type = 432 (*field)->possible_types().begin(); 433 type != (*field)->possible_types().end(); 434 ++type) { 435 DCHECK(*type == UNKNOWN_TYPE || 436 *type == EMPTY_TYPE || 437 available_field_types.count(*type)); 438 } 439 } 440 441 // Set up the <autofillupload> element and its attributes. 442 buzz::XmlElement autofill_request_xml( 443 (buzz::QName(kXMLElementAutofillUpload))); 444 autofill_request_xml.SetAttr(buzz::QName(kAttributeClientVersion), 445 kClientVersion); 446 autofill_request_xml.SetAttr(buzz::QName(kAttributeFormSignature), 447 FormSignature()); 448 autofill_request_xml.SetAttr(buzz::QName(kAttributeAutofillUsed), 449 form_was_autofilled ? "true" : "false"); 450 autofill_request_xml.SetAttr(buzz::QName(kAttributeDataPresent), 451 EncodeFieldTypes(available_field_types).c_str()); 452 453 if (!EncodeFormRequest(FormStructure::UPLOAD, &autofill_request_xml)) 454 return false; // Malformed form, skip it. 455 456 // Obtain the XML structure as a string. 457 *encoded_xml = kXMLDeclaration; 458 *encoded_xml += autofill_request_xml.Str().c_str(); 459 460 // To enable this logging, run with the flag --vmodule="form_structure=2". 461 VLOG(2) << "\n" << *encoded_xml; 462 463 return true; 464 } 465 466 bool FormStructure::EncodeFieldAssignments( 467 const ServerFieldTypeSet& available_field_types, 468 std::string* encoded_xml) const { 469 DCHECK(ShouldBeCrowdsourced()); 470 471 // Set up the <fieldassignments> element and its attributes. 472 buzz::XmlElement autofill_request_xml( 473 (buzz::QName(kXMLElementFieldAssignments))); 474 autofill_request_xml.SetAttr(buzz::QName(kAttributeFormSignature), 475 FormSignature()); 476 477 if (!EncodeFormRequest(FormStructure::FIELD_ASSIGNMENTS, 478 &autofill_request_xml)) 479 return false; // Malformed form, skip it. 480 481 // Obtain the XML structure as a string. 482 *encoded_xml = kXMLDeclaration; 483 *encoded_xml += autofill_request_xml.Str().c_str(); 484 485 return true; 486 } 487 488 // static 489 bool FormStructure::EncodeQueryRequest( 490 const std::vector<FormStructure*>& forms, 491 std::vector<std::string>* encoded_signatures, 492 std::string* encoded_xml) { 493 DCHECK(encoded_signatures); 494 DCHECK(encoded_xml); 495 encoded_xml->clear(); 496 encoded_signatures->clear(); 497 encoded_signatures->reserve(forms.size()); 498 499 // Set up the <autofillquery> element and attributes. 500 buzz::XmlElement autofill_request_xml( 501 (buzz::QName(kXMLElementAutofillQuery))); 502 autofill_request_xml.SetAttr(buzz::QName(kAttributeClientVersion), 503 kClientVersion); 504 505 // Some badly formatted web sites repeat forms - detect that and encode only 506 // one form as returned data would be the same for all the repeated forms. 507 std::set<std::string> processed_forms; 508 for (ScopedVector<FormStructure>::const_iterator it = forms.begin(); 509 it != forms.end(); 510 ++it) { 511 std::string signature((*it)->FormSignature()); 512 if (processed_forms.find(signature) != processed_forms.end()) 513 continue; 514 processed_forms.insert(signature); 515 scoped_ptr<buzz::XmlElement> encompassing_xml_element( 516 new buzz::XmlElement(buzz::QName(kXMLElementForm))); 517 encompassing_xml_element->SetAttr(buzz::QName(kAttributeSignature), 518 signature); 519 520 if (!(*it)->EncodeFormRequest(FormStructure::QUERY, 521 encompassing_xml_element.get())) 522 continue; // Malformed form, skip it. 523 524 autofill_request_xml.AddElement(encompassing_xml_element.release()); 525 encoded_signatures->push_back(signature); 526 } 527 528 if (!encoded_signatures->size()) 529 return false; 530 531 // Note: Chrome used to also set 'accepts="e"' (where 'e' is for experiments), 532 // but no longer sets this because support for experiments is deprecated. If 533 // it ever resurfaces, re-add code here to set the attribute accordingly. 534 535 // Obtain the XML structure as a string. 536 *encoded_xml = kXMLDeclaration; 537 *encoded_xml += autofill_request_xml.Str().c_str(); 538 539 return true; 540 } 541 542 // static 543 void FormStructure::ParseQueryResponse( 544 const std::string& response_xml, 545 const std::vector<FormStructure*>& forms, 546 const AutofillMetrics& metric_logger) { 547 metric_logger.LogServerQueryMetric(AutofillMetrics::QUERY_RESPONSE_RECEIVED); 548 549 // Parse the field types from the server response to the query. 550 std::vector<AutofillServerFieldInfo> field_infos; 551 UploadRequired upload_required; 552 AutofillQueryXmlParser parse_handler(&field_infos, 553 &upload_required); 554 buzz::XmlParser parser(&parse_handler); 555 parser.Parse(response_xml.c_str(), response_xml.length(), true); 556 if (!parse_handler.succeeded()) 557 return; 558 559 metric_logger.LogServerQueryMetric(AutofillMetrics::QUERY_RESPONSE_PARSED); 560 561 bool heuristics_detected_fillable_field = false; 562 bool query_response_overrode_heuristics = false; 563 564 // Copy the field types into the actual form. 565 std::vector<AutofillServerFieldInfo>::iterator current_info = 566 field_infos.begin(); 567 for (std::vector<FormStructure*>::const_iterator iter = forms.begin(); 568 iter != forms.end(); ++iter) { 569 FormStructure* form = *iter; 570 form->upload_required_ = upload_required; 571 572 for (std::vector<AutofillField*>::iterator field = form->fields_.begin(); 573 field != form->fields_.end(); ++field) { 574 if (form->ShouldSkipField(**field)) 575 continue; 576 577 // In some cases *successful* response does not return all the fields. 578 // Quit the update of the types then. 579 if (current_info == field_infos.end()) 580 break; 581 582 // UNKNOWN_TYPE is reserved for use by the client. 583 DCHECK_NE(current_info->field_type, UNKNOWN_TYPE); 584 585 ServerFieldType heuristic_type = (*field)->heuristic_type(); 586 if (heuristic_type != UNKNOWN_TYPE) 587 heuristics_detected_fillable_field = true; 588 589 (*field)->set_server_type(current_info->field_type); 590 if (heuristic_type != (*field)->Type().GetStorableType()) 591 query_response_overrode_heuristics = true; 592 593 // Copy default value into the field if available. 594 if (!current_info->default_value.empty()) 595 (*field)->set_default_value(current_info->default_value); 596 597 ++current_info; 598 } 599 600 form->UpdateAutofillCount(); 601 form->IdentifySections(false); 602 } 603 604 AutofillMetrics::ServerQueryMetric metric; 605 if (query_response_overrode_heuristics) { 606 if (heuristics_detected_fillable_field) { 607 metric = AutofillMetrics::QUERY_RESPONSE_OVERRODE_LOCAL_HEURISTICS; 608 } else { 609 metric = AutofillMetrics::QUERY_RESPONSE_WITH_NO_LOCAL_HEURISTICS; 610 } 611 } else { 612 metric = AutofillMetrics::QUERY_RESPONSE_MATCHED_LOCAL_HEURISTICS; 613 } 614 metric_logger.LogServerQueryMetric(metric); 615 } 616 617 // static 618 void FormStructure::GetFieldTypePredictions( 619 const std::vector<FormStructure*>& form_structures, 620 std::vector<FormDataPredictions>* forms) { 621 forms->clear(); 622 forms->reserve(form_structures.size()); 623 for (size_t i = 0; i < form_structures.size(); ++i) { 624 FormStructure* form_structure = form_structures[i]; 625 FormDataPredictions form; 626 form.data.name = form_structure->form_name_; 627 form.data.origin = form_structure->source_url_; 628 form.data.action = form_structure->target_url_; 629 form.signature = form_structure->FormSignature(); 630 631 for (std::vector<AutofillField*>::const_iterator field = 632 form_structure->fields_.begin(); 633 field != form_structure->fields_.end(); ++field) { 634 form.data.fields.push_back(FormFieldData(**field)); 635 636 FormFieldDataPredictions annotated_field; 637 annotated_field.signature = (*field)->FieldSignature(); 638 annotated_field.heuristic_type = 639 AutofillType((*field)->heuristic_type()).ToString(); 640 annotated_field.server_type = 641 AutofillType((*field)->server_type()).ToString(); 642 annotated_field.overall_type = (*field)->Type().ToString(); 643 form.fields.push_back(annotated_field); 644 } 645 646 forms->push_back(form); 647 } 648 } 649 650 std::string FormStructure::FormSignature() const { 651 std::string scheme(target_url_.scheme()); 652 std::string host(target_url_.host()); 653 654 // If target host or scheme is empty, set scheme and host of source url. 655 // This is done to match the Toolbar's behavior. 656 if (scheme.empty() || host.empty()) { 657 scheme = source_url_.scheme(); 658 host = source_url_.host(); 659 } 660 661 std::string form_string = scheme + "://" + host + "&" + 662 base::UTF16ToUTF8(form_name_) + 663 form_signature_field_names_; 664 665 return Hash64Bit(form_string); 666 } 667 668 bool FormStructure::ShouldSkipField(const FormFieldData& field) const { 669 return field.is_checkable; 670 } 671 672 bool FormStructure::IsAutofillable() const { 673 if (autofill_count() < kRequiredAutofillFields) 674 return false; 675 676 return ShouldBeParsed(); 677 } 678 679 void FormStructure::UpdateAutofillCount() { 680 autofill_count_ = 0; 681 for (std::vector<AutofillField*>::const_iterator iter = begin(); 682 iter != end(); ++iter) { 683 AutofillField* field = *iter; 684 if (field && field->IsFieldFillable()) 685 ++autofill_count_; 686 } 687 } 688 689 bool FormStructure::ShouldBeParsed() const { 690 if (active_field_count() < kRequiredAutofillFields) 691 return false; 692 693 // Rule out http(s)://*/search?... 694 // e.g. http://www.google.com/search?q=... 695 // http://search.yahoo.com/search?p=... 696 if (target_url_.path() == "/search") 697 return false; 698 699 bool has_text_field = false; 700 for (std::vector<AutofillField*>::const_iterator it = begin(); 701 it != end() && !has_text_field; ++it) { 702 has_text_field |= (*it)->form_control_type != "select-one"; 703 } 704 705 return has_text_field; 706 } 707 708 bool FormStructure::ShouldBeCrowdsourced() const { 709 return !has_author_specified_types_ && ShouldBeParsed(); 710 } 711 712 void FormStructure::UpdateFromCache(const FormStructure& cached_form) { 713 // Map from field signatures to cached fields. 714 std::map<std::string, const AutofillField*> cached_fields; 715 for (size_t i = 0; i < cached_form.field_count(); ++i) { 716 const AutofillField* field = cached_form.field(i); 717 cached_fields[field->FieldSignature()] = field; 718 } 719 720 for (std::vector<AutofillField*>::const_iterator iter = begin(); 721 iter != end(); ++iter) { 722 AutofillField* field = *iter; 723 724 std::map<std::string, const AutofillField*>::const_iterator 725 cached_field = cached_fields.find(field->FieldSignature()); 726 if (cached_field != cached_fields.end()) { 727 if (field->form_control_type != "select-one" && 728 field->value == cached_field->second->value) { 729 // From the perspective of learning user data, text fields containing 730 // default values are equivalent to empty fields. 731 field->value = base::string16(); 732 } 733 734 field->set_heuristic_type(cached_field->second->heuristic_type()); 735 field->set_server_type(cached_field->second->server_type()); 736 } 737 } 738 739 UpdateAutofillCount(); 740 741 // The form signature should match between query and upload requests to the 742 // server. On many websites, form elements are dynamically added, removed, or 743 // rearranged via JavaScript between page load and form submission, so we 744 // copy over the |form_signature_field_names_| corresponding to the query 745 // request. 746 DCHECK_EQ(cached_form.form_name_, form_name_); 747 DCHECK_EQ(cached_form.source_url_, source_url_); 748 DCHECK_EQ(cached_form.target_url_, target_url_); 749 form_signature_field_names_ = cached_form.form_signature_field_names_; 750 } 751 752 void FormStructure::LogQualityMetrics( 753 const AutofillMetrics& metric_logger, 754 const base::TimeTicks& load_time, 755 const base::TimeTicks& interaction_time, 756 const base::TimeTicks& submission_time) const { 757 size_t num_detected_field_types = 0; 758 bool did_autofill_all_possible_fields = true; 759 bool did_autofill_some_possible_fields = false; 760 for (size_t i = 0; i < field_count(); ++i) { 761 const AutofillField* field = this->field(i); 762 763 // No further logging for empty fields nor for fields where the entered data 764 // does not appear to already exist in the user's stored Autofill data. 765 const ServerFieldTypeSet& field_types = field->possible_types(); 766 DCHECK(!field_types.empty()); 767 if (field_types.count(EMPTY_TYPE) || field_types.count(UNKNOWN_TYPE)) 768 continue; 769 770 // Similarly, no further logging for password fields. Those are primarily 771 // related to a different feature code path, and so make more sense to track 772 // outside of this metric. 773 if (field->form_control_type == "password") 774 continue; 775 776 ++num_detected_field_types; 777 if (field->is_autofilled) 778 did_autofill_some_possible_fields = true; 779 else 780 did_autofill_all_possible_fields = false; 781 782 // Collapse field types that Chrome treats as identical, e.g. home and 783 // billing address fields. 784 ServerFieldTypeSet collapsed_field_types; 785 for (ServerFieldTypeSet::const_iterator it = field_types.begin(); 786 it != field_types.end(); 787 ++it) { 788 // Since we currently only support US phone numbers, the (city code + main 789 // digits) number is almost always identical to the whole phone number. 790 // TODO(isherman): Improve this logic once we add support for 791 // international numbers. 792 if (*it == PHONE_HOME_CITY_AND_NUMBER) 793 collapsed_field_types.insert(PHONE_HOME_WHOLE_NUMBER); 794 else 795 collapsed_field_types.insert(AutofillType(*it).GetStorableType()); 796 } 797 798 // Capture the field's type, if it is unambiguous. 799 ServerFieldType field_type = UNKNOWN_TYPE; 800 if (collapsed_field_types.size() == 1) 801 field_type = *collapsed_field_types.begin(); 802 803 ServerFieldType heuristic_type = 804 AutofillType(field->heuristic_type()).GetStorableType(); 805 ServerFieldType server_type = 806 AutofillType(field->server_type()).GetStorableType(); 807 ServerFieldType predicted_type = field->Type().GetStorableType(); 808 809 // Log heuristic, server, and overall type quality metrics, independently of 810 // whether the field was autofilled. 811 if (heuristic_type == UNKNOWN_TYPE) { 812 metric_logger.LogHeuristicTypePrediction(AutofillMetrics::TYPE_UNKNOWN, 813 field_type); 814 } else if (field_types.count(heuristic_type)) { 815 metric_logger.LogHeuristicTypePrediction(AutofillMetrics::TYPE_MATCH, 816 field_type); 817 } else { 818 metric_logger.LogHeuristicTypePrediction(AutofillMetrics::TYPE_MISMATCH, 819 field_type); 820 } 821 822 if (server_type == NO_SERVER_DATA) { 823 metric_logger.LogServerTypePrediction(AutofillMetrics::TYPE_UNKNOWN, 824 field_type); 825 } else if (field_types.count(server_type)) { 826 metric_logger.LogServerTypePrediction(AutofillMetrics::TYPE_MATCH, 827 field_type); 828 } else { 829 metric_logger.LogServerTypePrediction(AutofillMetrics::TYPE_MISMATCH, 830 field_type); 831 } 832 833 if (predicted_type == UNKNOWN_TYPE) { 834 metric_logger.LogOverallTypePrediction(AutofillMetrics::TYPE_UNKNOWN, 835 field_type); 836 } else if (field_types.count(predicted_type)) { 837 metric_logger.LogOverallTypePrediction(AutofillMetrics::TYPE_MATCH, 838 field_type); 839 } else { 840 metric_logger.LogOverallTypePrediction(AutofillMetrics::TYPE_MISMATCH, 841 field_type); 842 } 843 } 844 845 if (num_detected_field_types < kRequiredAutofillFields) { 846 metric_logger.LogUserHappinessMetric( 847 AutofillMetrics::SUBMITTED_NON_FILLABLE_FORM); 848 } else { 849 if (did_autofill_all_possible_fields) { 850 metric_logger.LogUserHappinessMetric( 851 AutofillMetrics::SUBMITTED_FILLABLE_FORM_AUTOFILLED_ALL); 852 } else if (did_autofill_some_possible_fields) { 853 metric_logger.LogUserHappinessMetric( 854 AutofillMetrics::SUBMITTED_FILLABLE_FORM_AUTOFILLED_SOME); 855 } else { 856 metric_logger.LogUserHappinessMetric( 857 AutofillMetrics::SUBMITTED_FILLABLE_FORM_AUTOFILLED_NONE); 858 } 859 860 // Unlike the other times, the |submission_time| should always be available. 861 DCHECK(!submission_time.is_null()); 862 863 // The |load_time| might be unset, in the case that the form was dynamically 864 // added to the DOM. 865 if (!load_time.is_null()) { 866 // Submission should always chronologically follow form load. 867 DCHECK(submission_time > load_time); 868 base::TimeDelta elapsed = submission_time - load_time; 869 if (did_autofill_some_possible_fields) 870 metric_logger.LogFormFillDurationFromLoadWithAutofill(elapsed); 871 else 872 metric_logger.LogFormFillDurationFromLoadWithoutAutofill(elapsed); 873 } 874 875 // The |interaction_time| might be unset, in the case that the user 876 // submitted a blank form. 877 if (!interaction_time.is_null()) { 878 // Submission should always chronologically follow interaction. 879 DCHECK(submission_time > interaction_time); 880 base::TimeDelta elapsed = submission_time - interaction_time; 881 if (did_autofill_some_possible_fields) { 882 metric_logger.LogFormFillDurationFromInteractionWithAutofill(elapsed); 883 } else { 884 metric_logger.LogFormFillDurationFromInteractionWithoutAutofill( 885 elapsed); 886 } 887 } 888 } 889 } 890 891 const AutofillField* FormStructure::field(size_t index) const { 892 if (index >= fields_.size()) { 893 NOTREACHED(); 894 return NULL; 895 } 896 897 return fields_[index]; 898 } 899 900 AutofillField* FormStructure::field(size_t index) { 901 return const_cast<AutofillField*>( 902 static_cast<const FormStructure*>(this)->field(index)); 903 } 904 905 size_t FormStructure::field_count() const { 906 return fields_.size(); 907 } 908 909 size_t FormStructure::active_field_count() const { 910 return active_field_count_; 911 } 912 913 FormData FormStructure::ToFormData() const { 914 // |data.user_submitted| will always be false. 915 FormData data; 916 data.name = form_name_; 917 data.origin = source_url_; 918 data.action = target_url_; 919 920 for (size_t i = 0; i < fields_.size(); ++i) { 921 data.fields.push_back(FormFieldData(*fields_[i])); 922 } 923 924 return data; 925 } 926 927 bool FormStructure::operator==(const FormData& form) const { 928 // TODO(jhawkins): Is this enough to differentiate a form? 929 if (form_name_ == form.name && 930 source_url_ == form.origin && 931 target_url_ == form.action) { 932 return true; 933 } 934 935 // TODO(jhawkins): Compare field names, IDs and labels once we have labels 936 // set up. 937 938 return false; 939 } 940 941 bool FormStructure::operator!=(const FormData& form) const { 942 return !operator==(form); 943 } 944 945 std::string FormStructure::Hash64Bit(const std::string& str) { 946 std::string hash_bin = base::SHA1HashString(str); 947 DCHECK_EQ(20U, hash_bin.length()); 948 949 uint64 hash64 = (((static_cast<uint64>(hash_bin[0])) & 0xFF) << 56) | 950 (((static_cast<uint64>(hash_bin[1])) & 0xFF) << 48) | 951 (((static_cast<uint64>(hash_bin[2])) & 0xFF) << 40) | 952 (((static_cast<uint64>(hash_bin[3])) & 0xFF) << 32) | 953 (((static_cast<uint64>(hash_bin[4])) & 0xFF) << 24) | 954 (((static_cast<uint64>(hash_bin[5])) & 0xFF) << 16) | 955 (((static_cast<uint64>(hash_bin[6])) & 0xFF) << 8) | 956 ((static_cast<uint64>(hash_bin[7])) & 0xFF); 957 958 return base::Uint64ToString(hash64); 959 } 960 961 bool FormStructure::EncodeFormRequest( 962 FormStructure::EncodeRequestType request_type, 963 buzz::XmlElement* encompassing_xml_element) const { 964 if (!field_count()) // Nothing to add. 965 return false; 966 967 // Some badly formatted web sites repeat fields - limit number of fields to 968 // 48, which is far larger than any valid form and XML still fits into 2K. 969 // Do not send requests for forms with more than this many fields, as they are 970 // near certainly not valid/auto-fillable. 971 const size_t kMaxFieldsOnTheForm = 48; 972 if (field_count() > kMaxFieldsOnTheForm) 973 return false; 974 975 // Add the child nodes for the form fields. 976 for (size_t index = 0; index < field_count(); ++index) { 977 const AutofillField* field = fields_[index]; 978 switch (request_type) { 979 case FormStructure::UPLOAD: 980 EncodeFieldForUpload(*field, encompassing_xml_element); 981 break; 982 case FormStructure::QUERY: 983 if (ShouldSkipField(*field)) 984 continue; 985 EncodeFieldForQuery(*field, encompassing_xml_element); 986 break; 987 case FormStructure::FIELD_ASSIGNMENTS: 988 EncodeFieldForFieldAssignments(*field, encompassing_xml_element); 989 break; 990 } 991 } 992 return true; 993 } 994 995 void FormStructure::ParseFieldTypesFromAutocompleteAttributes( 996 bool* found_types, 997 bool* found_sections) { 998 const std::string kDefaultSection = "-default"; 999 1000 *found_types = false; 1001 *found_sections = false; 1002 for (std::vector<AutofillField*>::iterator it = fields_.begin(); 1003 it != fields_.end(); ++it) { 1004 AutofillField* field = *it; 1005 1006 // To prevent potential section name collisions, add a default suffix for 1007 // other fields. Without this, 'autocomplete' attribute values 1008 // "section--shipping street-address" and "shipping street-address" would be 1009 // parsed identically, given the section handling code below. We do this 1010 // before any validation so that fields with invalid attributes still end up 1011 // in the default section. These default section names will be overridden 1012 // by subsequent heuristic parsing steps if there are no author-specified 1013 // section names. 1014 field->set_section(kDefaultSection); 1015 1016 // Canonicalize the attribute value by trimming whitespace, collapsing 1017 // non-space characters (e.g. tab) to spaces, and converting to lowercase. 1018 std::string autocomplete_attribute = 1019 base::CollapseWhitespaceASCII(field->autocomplete_attribute, false); 1020 autocomplete_attribute = base::StringToLowerASCII(autocomplete_attribute); 1021 1022 // The autocomplete attribute is overloaded: it can specify either a field 1023 // type hint or whether autocomplete should be enabled at all. Ignore the 1024 // latter type of attribute value. 1025 if (autocomplete_attribute.empty() || 1026 autocomplete_attribute == "on" || 1027 autocomplete_attribute == "off") { 1028 continue; 1029 } 1030 1031 // Any other value, even it is invalid, is considered to be a type hint. 1032 // This allows a website's author to specify an attribute like 1033 // autocomplete="other" on a field to disable all Autofill heuristics for 1034 // the form. 1035 *found_types = true; 1036 1037 // Tokenize the attribute value. Per the spec, the tokens are parsed in 1038 // reverse order. 1039 std::vector<std::string> tokens; 1040 Tokenize(autocomplete_attribute, " ", &tokens); 1041 1042 // The final token must be the field type. 1043 // If it is not one of the known types, abort. 1044 DCHECK(!tokens.empty()); 1045 std::string field_type_token = tokens.back(); 1046 tokens.pop_back(); 1047 HtmlFieldType field_type = 1048 FieldTypeFromAutocompleteAttributeValue(field_type_token, *field); 1049 if (field_type == HTML_TYPE_UNKNOWN) 1050 continue; 1051 1052 // The preceding token, if any, may be a type hint. 1053 if (!tokens.empty() && IsContactTypeHint(tokens.back())) { 1054 // If it is, it must match the field type; otherwise, abort. 1055 // Note that an invalid token invalidates the entire attribute value, even 1056 // if the other tokens are valid. 1057 if (!ContactTypeHintMatchesFieldType(tokens.back(), field_type)) 1058 continue; 1059 1060 // Chrome Autofill ignores these type hints. 1061 tokens.pop_back(); 1062 } 1063 1064 // The preceding token, if any, may be a fixed string that is either 1065 // "shipping" or "billing". Chrome Autofill treats these as implicit 1066 // section name suffixes. 1067 DCHECK_EQ(kDefaultSection, field->section()); 1068 std::string section = field->section(); 1069 HtmlFieldMode mode = HTML_MODE_NONE; 1070 if (!tokens.empty()) { 1071 if (tokens.back() == kShippingMode) 1072 mode = HTML_MODE_SHIPPING; 1073 else if (tokens.back() == kBillingMode) 1074 mode = HTML_MODE_BILLING; 1075 } 1076 1077 if (mode != HTML_MODE_NONE) { 1078 section = "-" + tokens.back(); 1079 tokens.pop_back(); 1080 } 1081 1082 // The preceding token, if any, may be a named section. 1083 const std::string kSectionPrefix = "section-"; 1084 if (!tokens.empty() && 1085 StartsWithASCII(tokens.back(), kSectionPrefix, true)) { 1086 // Prepend this section name to the suffix set in the preceding block. 1087 section = tokens.back().substr(kSectionPrefix.size()) + section; 1088 tokens.pop_back(); 1089 } 1090 1091 // No other tokens are allowed. If there are any remaining, abort. 1092 if (!tokens.empty()) 1093 continue; 1094 1095 if (section != kDefaultSection) { 1096 *found_sections = true; 1097 field->set_section(section); 1098 } 1099 1100 // No errors encountered while parsing! 1101 // Update the |field|'s type based on what was parsed from the attribute. 1102 field->SetHtmlType(field_type, mode); 1103 } 1104 } 1105 1106 bool FormStructure::FillFields( 1107 const std::vector<ServerFieldType>& types, 1108 const InputFieldComparator& matches, 1109 const base::Callback<base::string16(const AutofillType&)>& get_info, 1110 const std::string& address_language_code, 1111 const std::string& app_locale) { 1112 bool filled_something = false; 1113 for (size_t i = 0; i < field_count(); ++i) { 1114 for (size_t j = 0; j < types.size(); ++j) { 1115 if (matches.Run(types[j], *field(i))) { 1116 AutofillField::FillFormField(*field(i), 1117 get_info.Run(field(i)->Type()), 1118 address_language_code, 1119 app_locale, 1120 field(i)); 1121 filled_something = true; 1122 break; 1123 } 1124 } 1125 } 1126 return filled_something; 1127 } 1128 1129 std::set<base::string16> FormStructure::PossibleValues(ServerFieldType type) { 1130 std::set<base::string16> values; 1131 AutofillType target_type(type); 1132 for (std::vector<AutofillField*>::iterator iter = fields_.begin(); 1133 iter != fields_.end(); ++iter) { 1134 AutofillField* field = *iter; 1135 if (field->Type().GetStorableType() != target_type.GetStorableType() || 1136 field->Type().group() != target_type.group()) { 1137 continue; 1138 } 1139 1140 // No option values; anything goes. 1141 if (field->option_values.empty()) 1142 return std::set<base::string16>(); 1143 1144 for (size_t i = 0; i < field->option_values.size(); ++i) { 1145 if (!field->option_values[i].empty()) 1146 values.insert(base::i18n::ToUpper(field->option_values[i])); 1147 } 1148 1149 for (size_t i = 0; i < field->option_contents.size(); ++i) { 1150 if (!field->option_contents[i].empty()) 1151 values.insert(base::i18n::ToUpper(field->option_contents[i])); 1152 } 1153 } 1154 1155 return values; 1156 } 1157 1158 base::string16 FormStructure::GetUniqueValue(HtmlFieldType type) const { 1159 base::string16 value; 1160 for (std::vector<AutofillField*>::const_iterator iter = fields_.begin(); 1161 iter != fields_.end(); ++iter) { 1162 const AutofillField* field = *iter; 1163 if (field->html_type() != type) 1164 continue; 1165 1166 // More than one value found; abort rather than choosing one arbitrarily. 1167 if (!value.empty() && !field->value.empty()) 1168 return base::string16(); 1169 1170 value = field->value; 1171 } 1172 1173 return value; 1174 } 1175 1176 void FormStructure::IdentifySections(bool has_author_specified_sections) { 1177 if (fields_.empty()) 1178 return; 1179 1180 if (!has_author_specified_sections) { 1181 // Name sections after the first field in the section. 1182 base::string16 current_section = fields_.front()->unique_name(); 1183 1184 // Keep track of the types we've seen in this section. 1185 std::set<ServerFieldType> seen_types; 1186 ServerFieldType previous_type = UNKNOWN_TYPE; 1187 1188 for (std::vector<AutofillField*>::iterator field = fields_.begin(); 1189 field != fields_.end(); ++field) { 1190 const ServerFieldType current_type = (*field)->Type().GetStorableType(); 1191 1192 bool already_saw_current_type = seen_types.count(current_type) > 0; 1193 1194 // Forms often ask for multiple phone numbers -- e.g. both a daytime and 1195 // evening phone number. Our phone number detection is also generally a 1196 // little off. Hence, ignore this field type as a signal here. 1197 if (AutofillType(current_type).group() == PHONE_HOME) 1198 already_saw_current_type = false; 1199 1200 // Some forms have adjacent fields of the same type. Two common examples: 1201 // * Forms with two email fields, where the second is meant to "confirm" 1202 // the first. 1203 // * Forms with a <select> menu for states in some countries, and a 1204 // freeform <input> field for states in other countries. (Usually, 1205 // only one of these two will be visible for any given choice of 1206 // country.) 1207 // Generally, adjacent fields of the same type belong in the same logical 1208 // section. 1209 if (current_type == previous_type) 1210 already_saw_current_type = false; 1211 1212 previous_type = current_type; 1213 1214 if (current_type != UNKNOWN_TYPE && already_saw_current_type) { 1215 // We reached the end of a section, so start a new section. 1216 seen_types.clear(); 1217 current_section = (*field)->unique_name(); 1218 } 1219 1220 seen_types.insert(current_type); 1221 (*field)->set_section(base::UTF16ToUTF8(current_section)); 1222 } 1223 } 1224 1225 // Ensure that credit card and address fields are in separate sections. 1226 // This simplifies the section-aware logic in autofill_manager.cc. 1227 for (std::vector<AutofillField*>::iterator field = fields_.begin(); 1228 field != fields_.end(); ++field) { 1229 FieldTypeGroup field_type_group = (*field)->Type().group(); 1230 if (field_type_group == CREDIT_CARD) 1231 (*field)->set_section((*field)->section() + "-cc"); 1232 else 1233 (*field)->set_section((*field)->section() + "-default"); 1234 } 1235 } 1236 1237 } // namespace autofill 1238
