| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "chrome/browser/search_engines/template_url.h" |
| |
| #include "base/basictypes.h" |
| #include "base/command_line.h" |
| #include "base/format_macros.h" |
| #include "base/guid.h" |
| #include "base/i18n/case_conversion.h" |
| #include "base/i18n/icu_string_conversions.h" |
| #include "base/i18n/rtl.h" |
| #include "base/logging.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/rand_util.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/string_split.h" |
| #include "base/strings/string_util.h" |
| #include "base/strings/stringprintf.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "chrome/browser/google/google_util.h" |
| #include "chrome/browser/search/search.h" |
| #include "chrome/browser/search_engines/search_terms_data.h" |
| #include "chrome/browser/search_engines/template_url_service.h" |
| #include "chrome/common/chrome_switches.h" |
| #include "chrome/common/chrome_version_info.h" |
| #include "chrome/common/url_constants.h" |
| #include "extensions/common/constants.h" |
| #include "google_apis/google_api_keys.h" |
| #include "net/base/escape.h" |
| #include "net/base/mime_util.h" |
| #include "ui/base/l10n/l10n_util.h" |
| |
| namespace { |
| |
| // The TemplateURLRef has any number of terms that need to be replaced. Each of |
| // the terms is enclosed in braces. If the character preceeding the final |
| // brace is a ?, it indicates the term is optional and can be replaced with |
| // an empty string. |
| const char kStartParameter = '{'; |
| const char kEndParameter = '}'; |
| const char kOptional = '?'; |
| |
| // Known parameters found in the URL. |
| const char kSearchTermsParameter[] = "searchTerms"; |
| const char kSearchTermsParameterFull[] = "{searchTerms}"; |
| const char kCountParameter[] = "count"; |
| const char kStartIndexParameter[] = "startIndex"; |
| const char kStartPageParameter[] = "startPage"; |
| const char kLanguageParameter[] = "language"; |
| const char kInputEncodingParameter[] = "inputEncoding"; |
| const char kOutputEncodingParameter[] = "outputEncoding"; |
| |
| const char kGoogleAssistedQueryStatsParameter[] = "google:assistedQueryStats"; |
| |
| // Host/Domain Google searches are relative to. |
| const char kGoogleBaseURLParameter[] = "google:baseURL"; |
| const char kGoogleBaseURLParameterFull[] = "{google:baseURL}"; |
| |
| // Like google:baseURL, but for the Search Suggest capability. |
| const char kGoogleBaseSuggestURLParameter[] = "google:baseSuggestURL"; |
| const char kGoogleBaseSuggestURLParameterFull[] = "{google:baseSuggestURL}"; |
| const char kGoogleBookmarkBarPinnedParameter[] = "google:bookmarkBarPinned"; |
| const char kGoogleCursorPositionParameter[] = "google:cursorPosition"; |
| const char kGoogleInstantEnabledParameter[] = "google:instantEnabledParameter"; |
| const char kGoogleInstantExtendedEnabledParameter[] = |
| "google:instantExtendedEnabledParameter"; |
| const char kGoogleInstantExtendedEnabledKey[] = |
| "google:instantExtendedEnabledKey"; |
| const char kGoogleInstantExtendedEnabledKeyFull[] = |
| "{google:instantExtendedEnabledKey}"; |
| const char kGoogleNTPIsThemedParameter[] = "google:ntpIsThemedParameter"; |
| const char kGoogleOmniboxStartMarginParameter[] = |
| "google:omniboxStartMarginParameter"; |
| const char kGoogleOriginalQueryForSuggestionParameter[] = |
| "google:originalQueryForSuggestion"; |
| const char kGooglePageClassificationParameter[] = "google:pageClassification"; |
| const char kGoogleRLZParameter[] = "google:RLZ"; |
| const char kGoogleSearchClient[] = "google:searchClient"; |
| const char kGoogleSearchFieldtrialParameter[] = |
| "google:searchFieldtrialParameter"; |
| const char kGoogleSourceIdParameter[] = "google:sourceId"; |
| const char kGoogleSuggestAPIKeyParameter[] = "google:suggestAPIKeyParameter"; |
| const char kGoogleSuggestClient[] = "google:suggestClient"; |
| const char kGoogleZeroPrefixUrlParameter[] = "google:zeroPrefixUrl"; |
| |
| // Same as kSearchTermsParameter, with no escaping. |
| const char kGoogleUnescapedSearchTermsParameter[] = |
| "google:unescapedSearchTerms"; |
| const char kGoogleUnescapedSearchTermsParameterFull[] = |
| "{google:unescapedSearchTerms}"; |
| |
| const char kGoogleImageSearchSource[] = "google:imageSearchSource"; |
| const char kGoogleImageThumbnailParameter[] = "google:imageThumbnail"; |
| const char kGoogleImageURLParameter[] = "google:imageURL"; |
| const char kGoogleImageOriginalWidth[] = "google:imageOriginalWidth"; |
| const char kGoogleImageOriginalHeight[] = "google:imageOriginalHeight"; |
| |
| // Display value for kSearchTermsParameter. |
| const char kDisplaySearchTerms[] = "%s"; |
| |
| // Display value for kGoogleUnescapedSearchTermsParameter. |
| const char kDisplayUnescapedSearchTerms[] = "%S"; |
| |
| // Used if the count parameter is not optional. Indicates we want 10 search |
| // results. |
| const char kDefaultCount[] = "10"; |
| |
| // Used if the parameter kOutputEncodingParameter is required. |
| const char kOutputEncodingType[] = "UTF-8"; |
| |
| // Attempts to encode |terms| and |original_query| in |encoding| and escape |
| // them. |terms| may be escaped as path or query depending on |is_in_query|; |
| // |original_query| is always escaped as query. Returns whether the encoding |
| // process succeeded. |
| bool TryEncoding(const string16& terms, |
| const string16& original_query, |
| const char* encoding, |
| bool is_in_query, |
| string16* escaped_terms, |
| string16* escaped_original_query) { |
| DCHECK(escaped_terms); |
| DCHECK(escaped_original_query); |
| std::string encoded_terms; |
| if (!base::UTF16ToCodepage(terms, encoding, |
| base::OnStringConversionError::SKIP, &encoded_terms)) |
| return false; |
| *escaped_terms = UTF8ToUTF16(is_in_query ? |
| net::EscapeQueryParamValue(encoded_terms, true) : |
| net::EscapePath(encoded_terms)); |
| if (original_query.empty()) |
| return true; |
| std::string encoded_original_query; |
| if (!base::UTF16ToCodepage(original_query, encoding, |
| base::OnStringConversionError::SKIP, &encoded_original_query)) |
| return false; |
| *escaped_original_query = |
| UTF8ToUTF16(net::EscapeQueryParamValue(encoded_original_query, true)); |
| return true; |
| } |
| |
| // Extract query key and host given a list of parameters coming from the URL |
| // query or ref. |
| std::string FindSearchTermsKey(const std::string& params) { |
| if (params.empty()) |
| return std::string(); |
| url_parse::Component query, key, value; |
| query.len = static_cast<int>(params.size()); |
| while (url_parse::ExtractQueryKeyValue(params.c_str(), &query, &key, |
| &value)) { |
| if (key.is_nonempty() && value.is_nonempty()) { |
| std::string value_string = params.substr(value.begin, value.len); |
| if (value_string.find(kSearchTermsParameterFull, 0) != |
| std::string::npos || |
| value_string.find(kGoogleUnescapedSearchTermsParameterFull, 0) != |
| std::string::npos) { |
| return params.substr(key.begin, key.len); |
| } |
| } |
| } |
| return std::string(); |
| } |
| |
| // Returns the string to use for replacements of type |
| // GOOGLE_IMAGE_SEARCH_SOURCE. |
| std::string GetGoogleImageSearchSource() { |
| chrome::VersionInfo version_info; |
| if (version_info.is_valid()) { |
| std::string version(version_info.Name() + " " + version_info.Version()); |
| if (version_info.IsOfficialBuild()) |
| version += " (Official)"; |
| version += " " + version_info.OSType(); |
| std::string modifier(version_info.GetVersionStringModifier()); |
| if (!modifier.empty()) |
| version += " " + modifier; |
| return version; |
| } |
| return "unknown"; |
| } |
| |
| bool IsTemplateParameterString(const std::string& param) { |
| return (param.length() > 2) && (*(param.begin()) == kStartParameter) && |
| (*(param.rbegin()) == kEndParameter); |
| } |
| |
| bool ShowingSearchTermsOnSRP() { |
| return chrome::IsInstantExtendedAPIEnabled() && |
| !chrome::ShouldSuppressInstantExtendedOnSRP(); |
| } |
| |
| } // namespace |
| |
| |
| // TemplateURLRef::SearchTermsArgs -------------------------------------------- |
| |
| TemplateURLRef::SearchTermsArgs::SearchTermsArgs(const string16& search_terms) |
| : search_terms(search_terms), |
| accepted_suggestion(NO_SUGGESTIONS_AVAILABLE), |
| cursor_position(string16::npos), |
| omnibox_start_margin(-1), |
| page_classification(AutocompleteInput::INVALID_SPEC), |
| bookmark_bar_pinned(false), |
| append_extra_query_params(false) { |
| } |
| |
| TemplateURLRef::SearchTermsArgs::~SearchTermsArgs() { |
| } |
| |
| |
| // TemplateURLRef ------------------------------------------------------------- |
| |
| TemplateURLRef::TemplateURLRef(TemplateURL* owner, Type type) |
| : owner_(owner), |
| type_(type), |
| index_in_owner_(-1), |
| parsed_(false), |
| valid_(false), |
| supports_replacements_(false), |
| search_term_key_location_(url_parse::Parsed::QUERY), |
| prepopulated_(false), |
| showing_search_terms_(ShowingSearchTermsOnSRP()) { |
| DCHECK(owner_); |
| DCHECK_NE(INDEXED, type_); |
| } |
| |
| TemplateURLRef::TemplateURLRef(TemplateURL* owner, size_t index_in_owner) |
| : owner_(owner), |
| type_(INDEXED), |
| index_in_owner_(index_in_owner), |
| parsed_(false), |
| valid_(false), |
| supports_replacements_(false), |
| search_term_key_location_(url_parse::Parsed::QUERY), |
| prepopulated_(false), |
| showing_search_terms_(ShowingSearchTermsOnSRP()) { |
| DCHECK(owner_); |
| DCHECK_LT(index_in_owner_, owner_->URLCount()); |
| } |
| |
| TemplateURLRef::~TemplateURLRef() { |
| } |
| |
| std::string TemplateURLRef::GetURL() const { |
| switch (type_) { |
| case SEARCH: return owner_->url(); |
| case SUGGEST: return owner_->suggestions_url(); |
| case INSTANT: return owner_->instant_url(); |
| case IMAGE: return owner_->image_url(); |
| case NEW_TAB: return owner_->new_tab_url(); |
| case INDEXED: return owner_->GetURL(index_in_owner_); |
| default: NOTREACHED(); return std::string(); // NOLINT |
| } |
| } |
| |
| std::string TemplateURLRef::GetPostParamsString() const { |
| switch (type_) { |
| case INDEXED: |
| case SEARCH: return owner_->search_url_post_params(); |
| case SUGGEST: return owner_->suggestions_url_post_params(); |
| case INSTANT: return owner_->instant_url_post_params(); |
| case NEW_TAB: return std::string(); |
| case IMAGE: return owner_->image_url_post_params(); |
| default: NOTREACHED(); return std::string(); // NOLINT |
| } |
| } |
| |
| bool TemplateURLRef::UsesPOSTMethodUsingTermsData( |
| const SearchTermsData* search_terms_data) const { |
| if (search_terms_data) |
| ParseIfNecessaryUsingTermsData(*search_terms_data); |
| else |
| ParseIfNecessary(); |
| return !post_params_.empty(); |
| } |
| |
| bool TemplateURLRef::EncodeFormData(const PostParams& post_params, |
| PostContent* post_content) const { |
| if (post_params.empty()) |
| return true; |
| if (!post_content) |
| return false; |
| |
| const char kUploadDataMIMEType[] = "multipart/form-data; boundary="; |
| const char kMultipartBoundary[] = "----+*+----%016" PRIx64 "----+*+----"; |
| // Each name/value pair is stored in a body part which is preceded by a |
| // boundary delimiter line. Uses random number generator here to create |
| // a unique boundary delimiter for form data encoding. |
| std::string boundary = base::StringPrintf(kMultipartBoundary, |
| base::RandUint64()); |
| // Sets the content MIME type. |
| post_content->first = kUploadDataMIMEType; |
| post_content->first += boundary; |
| // Encodes the post parameters. |
| std::string* post_data = &post_content->second; |
| post_data->clear(); |
| for (PostParams::const_iterator param = post_params.begin(); |
| param != post_params.end(); ++param) { |
| DCHECK(!param->first.empty()); |
| net::AddMultipartValueForUpload(param->first, param->second, boundary, |
| std::string(), post_data); |
| } |
| net::AddMultipartFinalDelimiterForUpload(boundary, post_data); |
| return true; |
| } |
| |
| bool TemplateURLRef::SupportsReplacement() const { |
| UIThreadSearchTermsData search_terms_data(owner_->profile()); |
| return SupportsReplacementUsingTermsData(search_terms_data); |
| } |
| |
| bool TemplateURLRef::SupportsReplacementUsingTermsData( |
| const SearchTermsData& search_terms_data) const { |
| ParseIfNecessaryUsingTermsData(search_terms_data); |
| return valid_ && supports_replacements_; |
| } |
| |
| std::string TemplateURLRef::ReplaceSearchTerms( |
| const SearchTermsArgs& search_terms_args, |
| PostContent* post_content) const { |
| UIThreadSearchTermsData search_terms_data(owner_->profile()); |
| return ReplaceSearchTermsUsingTermsData(search_terms_args, search_terms_data, |
| post_content); |
| } |
| |
| std::string TemplateURLRef::ReplaceSearchTermsUsingTermsData( |
| const SearchTermsArgs& search_terms_args, |
| const SearchTermsData& search_terms_data, |
| PostContent* post_content) const { |
| ParseIfNecessaryUsingTermsData(search_terms_data); |
| if (!valid_) |
| return std::string(); |
| |
| std::string url(HandleReplacements(search_terms_args, search_terms_data, |
| post_content)); |
| |
| // If the user specified additional query params on the command line, add |
| // them. |
| if (search_terms_args.append_extra_query_params) { |
| std::string query_params(CommandLine::ForCurrentProcess()-> |
| GetSwitchValueASCII(switches::kExtraSearchQueryParams)); |
| GURL gurl(url); |
| if (!query_params.empty() && gurl.is_valid()) { |
| GURL::Replacements replacements; |
| const std::string existing_query_params(gurl.query()); |
| if (!existing_query_params.empty()) |
| query_params += "&" + existing_query_params; |
| replacements.SetQueryStr(query_params); |
| return gurl.ReplaceComponents(replacements).possibly_invalid_spec(); |
| } |
| } |
| |
| return url; |
| } |
| |
| bool TemplateURLRef::IsValid() const { |
| UIThreadSearchTermsData search_terms_data(owner_->profile()); |
| return IsValidUsingTermsData(search_terms_data); |
| } |
| |
| bool TemplateURLRef::IsValidUsingTermsData( |
| const SearchTermsData& search_terms_data) const { |
| ParseIfNecessaryUsingTermsData(search_terms_data); |
| return valid_; |
| } |
| |
| string16 TemplateURLRef::DisplayURL() const { |
| ParseIfNecessary(); |
| string16 result(UTF8ToUTF16(GetURL())); |
| if (valid_ && !replacements_.empty()) { |
| ReplaceSubstringsAfterOffset(&result, 0, |
| ASCIIToUTF16(kSearchTermsParameterFull), |
| ASCIIToUTF16(kDisplaySearchTerms)); |
| ReplaceSubstringsAfterOffset(&result, 0, |
| ASCIIToUTF16(kGoogleUnescapedSearchTermsParameterFull), |
| ASCIIToUTF16(kDisplayUnescapedSearchTerms)); |
| } |
| return result; |
| } |
| |
| // static |
| std::string TemplateURLRef::DisplayURLToURLRef( |
| const string16& display_url) { |
| string16 result = display_url; |
| ReplaceSubstringsAfterOffset(&result, 0, ASCIIToUTF16(kDisplaySearchTerms), |
| ASCIIToUTF16(kSearchTermsParameterFull)); |
| ReplaceSubstringsAfterOffset( |
| &result, 0, |
| ASCIIToUTF16(kDisplayUnescapedSearchTerms), |
| ASCIIToUTF16(kGoogleUnescapedSearchTermsParameterFull)); |
| return UTF16ToUTF8(result); |
| } |
| |
| const std::string& TemplateURLRef::GetHost() const { |
| ParseIfNecessary(); |
| return host_; |
| } |
| |
| const std::string& TemplateURLRef::GetPath() const { |
| ParseIfNecessary(); |
| return path_; |
| } |
| |
| const std::string& TemplateURLRef::GetSearchTermKey() const { |
| ParseIfNecessary(); |
| return search_term_key_; |
| } |
| |
| string16 TemplateURLRef::SearchTermToString16(const std::string& term) const { |
| const std::vector<std::string>& encodings = owner_->input_encodings(); |
| string16 result; |
| |
| std::string unescaped = net::UnescapeURLComponent( |
| term, |
| net::UnescapeRule::REPLACE_PLUS_WITH_SPACE | |
| net::UnescapeRule::URL_SPECIAL_CHARS); |
| for (size_t i = 0; i < encodings.size(); ++i) { |
| if (base::CodepageToUTF16(unescaped, encodings[i].c_str(), |
| base::OnStringConversionError::FAIL, &result)) |
| return result; |
| } |
| |
| // Always fall back on UTF-8 if it works. |
| if (base::CodepageToUTF16(unescaped, base::kCodepageUTF8, |
| base::OnStringConversionError::FAIL, &result)) |
| return result; |
| |
| // When nothing worked, just use the escaped text. We have no idea what the |
| // encoding is. We need to substitute spaces for pluses ourselves since we're |
| // not sending it through an unescaper. |
| result = UTF8ToUTF16(term); |
| std::replace(result.begin(), result.end(), '+', ' '); |
| return result; |
| } |
| |
| bool TemplateURLRef::HasGoogleBaseURLs() const { |
| ParseIfNecessary(); |
| for (size_t i = 0; i < replacements_.size(); ++i) { |
| if ((replacements_[i].type == GOOGLE_BASE_URL) || |
| (replacements_[i].type == GOOGLE_BASE_SUGGEST_URL)) |
| return true; |
| } |
| return false; |
| } |
| |
| bool TemplateURLRef::ExtractSearchTermsFromURL( |
| const GURL& url, |
| string16* search_terms, |
| const SearchTermsData& search_terms_data, |
| url_parse::Parsed::ComponentType* search_terms_component, |
| url_parse::Component* search_terms_position) const { |
| DCHECK(search_terms); |
| search_terms->clear(); |
| |
| ParseIfNecessaryUsingTermsData(search_terms_data); |
| |
| // We need a search term in the template URL to extract something. |
| if (search_term_key_.empty()) |
| return false; |
| |
| // TODO(beaudoin): Support patterns of the form http://foo/{searchTerms}/ |
| // See crbug.com/153798 |
| |
| // Fill-in the replacements. We don't care about search terms in the pattern, |
| // so we use the empty string. |
| // Currently we assume the search term only shows in URL, not in post params. |
| GURL pattern(ReplaceSearchTermsUsingTermsData( |
| SearchTermsArgs(string16()), search_terms_data, NULL)); |
| // Host, path and port must match. |
| if (url.port() != pattern.port() || |
| url.host() != host_ || |
| url.path() != path_) { |
| return false; |
| } |
| |
| // Parameter must be present either in the query or the ref. |
| const std::string& params( |
| (search_term_key_location_ == url_parse::Parsed::QUERY) ? |
| url.query() : url.ref()); |
| |
| url_parse::Component query, key, value; |
| query.len = static_cast<int>(params.size()); |
| bool key_found = false; |
| while (url_parse::ExtractQueryKeyValue(params.c_str(), &query, &key, |
| &value)) { |
| if (key.is_nonempty()) { |
| if (params.substr(key.begin, key.len) == search_term_key_) { |
| // Fail if search term key is found twice. |
| if (key_found) { |
| search_terms->clear(); |
| return false; |
| } |
| key_found = true; |
| // Extract the search term. |
| *search_terms = net::UnescapeAndDecodeUTF8URLComponent( |
| params.substr(value.begin, value.len), |
| net::UnescapeRule::SPACES | |
| net::UnescapeRule::URL_SPECIAL_CHARS | |
| net::UnescapeRule::REPLACE_PLUS_WITH_SPACE, |
| NULL); |
| if (search_terms_component) |
| *search_terms_component = search_term_key_location_; |
| if (search_terms_position) |
| *search_terms_position = value; |
| } |
| } |
| } |
| return key_found; |
| } |
| |
| void TemplateURLRef::InvalidateCachedValues() const { |
| supports_replacements_ = valid_ = parsed_ = false; |
| host_.clear(); |
| path_.clear(); |
| search_term_key_.clear(); |
| replacements_.clear(); |
| post_params_.clear(); |
| } |
| |
| bool TemplateURLRef::ParseParameter(size_t start, |
| size_t end, |
| std::string* url, |
| Replacements* replacements) const { |
| DCHECK(start != std::string::npos && |
| end != std::string::npos && end > start); |
| size_t length = end - start - 1; |
| bool optional = false; |
| if ((*url)[end - 1] == kOptional) { |
| optional = true; |
| length--; |
| } |
| std::string parameter(url->substr(start + 1, length)); |
| std::string full_parameter(url->substr(start, end - start + 1)); |
| // Remove the parameter from the string. For parameters who replacement is |
| // constant and already known, just replace them directly. For other cases, |
| // like parameters whose values may change over time, use |replacements|. |
| url->erase(start, end - start + 1); |
| if (parameter == kSearchTermsParameter) { |
| replacements->push_back(Replacement(SEARCH_TERMS, start)); |
| } else if (parameter == kCountParameter) { |
| if (!optional) |
| url->insert(start, kDefaultCount); |
| } else if (parameter == kGoogleAssistedQueryStatsParameter) { |
| replacements->push_back(Replacement(GOOGLE_ASSISTED_QUERY_STATS, start)); |
| } else if (parameter == kGoogleBaseURLParameter) { |
| replacements->push_back(Replacement(GOOGLE_BASE_URL, start)); |
| } else if (parameter == kGoogleBaseSuggestURLParameter) { |
| replacements->push_back(Replacement(GOOGLE_BASE_SUGGEST_URL, start)); |
| } else if (parameter == kGoogleBookmarkBarPinnedParameter) { |
| replacements->push_back(Replacement(GOOGLE_BOOKMARK_BAR_PINNED, start)); |
| } else if (parameter == kGoogleCursorPositionParameter) { |
| replacements->push_back(Replacement(GOOGLE_CURSOR_POSITION, start)); |
| } else if (parameter == kGoogleImageOriginalHeight) { |
| replacements->push_back( |
| Replacement(TemplateURLRef::GOOGLE_IMAGE_ORIGINAL_HEIGHT, start)); |
| } else if (parameter == kGoogleImageOriginalWidth) { |
| replacements->push_back( |
| Replacement(TemplateURLRef::GOOGLE_IMAGE_ORIGINAL_WIDTH, start)); |
| } else if (parameter == kGoogleImageSearchSource) { |
| url->insert(start, GetGoogleImageSearchSource()); |
| } else if (parameter == kGoogleImageThumbnailParameter) { |
| replacements->push_back( |
| Replacement(TemplateURLRef::GOOGLE_IMAGE_THUMBNAIL, start)); |
| } else if (parameter == kGoogleImageURLParameter) { |
| replacements->push_back(Replacement(TemplateURLRef::GOOGLE_IMAGE_URL, |
| start)); |
| } else if (parameter == kGoogleInstantEnabledParameter) { |
| replacements->push_back(Replacement(GOOGLE_INSTANT_ENABLED, start)); |
| } else if (parameter == kGoogleInstantExtendedEnabledParameter) { |
| replacements->push_back(Replacement(GOOGLE_INSTANT_EXTENDED_ENABLED, |
| start)); |
| } else if (parameter == kGoogleInstantExtendedEnabledKey) { |
| url->insert(start, google_util::kInstantExtendedAPIParam); |
| } else if (parameter == kGoogleNTPIsThemedParameter) { |
| replacements->push_back(Replacement(GOOGLE_NTP_IS_THEMED, start)); |
| } else if (parameter == kGoogleOmniboxStartMarginParameter) { |
| replacements->push_back(Replacement(GOOGLE_OMNIBOX_START_MARGIN, start)); |
| } else if (parameter == kGoogleOriginalQueryForSuggestionParameter) { |
| replacements->push_back(Replacement(GOOGLE_ORIGINAL_QUERY_FOR_SUGGESTION, |
| start)); |
| } else if (parameter == kGooglePageClassificationParameter) { |
| replacements->push_back(Replacement(GOOGLE_PAGE_CLASSIFICATION, start)); |
| } else if (parameter == kGoogleRLZParameter) { |
| replacements->push_back(Replacement(GOOGLE_RLZ, start)); |
| } else if (parameter == kGoogleSearchClient) { |
| replacements->push_back(Replacement(GOOGLE_SEARCH_CLIENT, start)); |
| } else if (parameter == kGoogleSearchFieldtrialParameter) { |
| replacements->push_back(Replacement(GOOGLE_SEARCH_FIELDTRIAL_GROUP, start)); |
| } else if (parameter == kGoogleSourceIdParameter) { |
| #if defined(OS_ANDROID) |
| url->insert(start, "sourceid=chrome-mobile&"); |
| #else |
| url->insert(start, "sourceid=chrome&"); |
| #endif |
| } else if (parameter == kGoogleSuggestAPIKeyParameter) { |
| url->insert(start, |
| net::EscapeQueryParamValue(google_apis::GetAPIKey(), false)); |
| } else if (parameter == kGoogleSuggestClient) { |
| replacements->push_back(Replacement(GOOGLE_SUGGEST_CLIENT, start)); |
| } else if (parameter == kGoogleUnescapedSearchTermsParameter) { |
| replacements->push_back(Replacement(GOOGLE_UNESCAPED_SEARCH_TERMS, start)); |
| } else if (parameter == kGoogleZeroPrefixUrlParameter) { |
| replacements->push_back(Replacement(GOOGLE_ZERO_PREFIX_URL, start)); |
| } else if (parameter == kInputEncodingParameter) { |
| replacements->push_back(Replacement(ENCODING, start)); |
| } else if (parameter == kLanguageParameter) { |
| replacements->push_back(Replacement(LANGUAGE, start)); |
| } else if (parameter == kOutputEncodingParameter) { |
| if (!optional) |
| url->insert(start, kOutputEncodingType); |
| } else if ((parameter == kStartIndexParameter) || |
| (parameter == kStartPageParameter)) { |
| // We don't support these. |
| if (!optional) |
| url->insert(start, "1"); |
| } else if (!prepopulated_) { |
| // If it's a prepopulated URL, we know that it's safe to remove unknown |
| // parameters, so just ignore this and return true below. Otherwise it could |
| // be some garbage but can also be a javascript block. Put it back. |
| url->insert(start, full_parameter); |
| return false; |
| } |
| return true; |
| } |
| |
| std::string TemplateURLRef::ParseURL(const std::string& url, |
| Replacements* replacements, |
| PostParams* post_params, |
| bool* valid) const { |
| *valid = false; |
| std::string parsed_url = url; |
| for (size_t last = 0; last != std::string::npos; ) { |
| last = parsed_url.find(kStartParameter, last); |
| if (last != std::string::npos) { |
| size_t template_end = parsed_url.find(kEndParameter, last); |
| if (template_end != std::string::npos) { |
| // Since we allow Javascript in the URL, {} pairs could be nested. Match |
| // only leaf pairs with supported parameters. |
| size_t next_template_start = parsed_url.find(kStartParameter, last + 1); |
| if (next_template_start == std::string::npos || |
| next_template_start > template_end) { |
| // If successful, ParseParameter erases from the string as such no |
| // need to update |last|. If failed, move |last| to the end of pair. |
| if (!ParseParameter(last, template_end, &parsed_url, replacements)) { |
| // |template_end| + 1 may be beyond the end of the string. |
| last = template_end; |
| } |
| } else { |
| last = next_template_start; |
| } |
| } else { |
| // Open brace without a closing brace, return. |
| return std::string(); |
| } |
| } |
| } |
| |
| // Handles the post parameters. |
| const std::string& post_params_string = GetPostParamsString(); |
| if (!post_params_string.empty()) { |
| typedef std::vector<std::string> Strings; |
| Strings param_list; |
| base::SplitString(post_params_string, ',', ¶m_list); |
| |
| for (Strings::const_iterator iterator = param_list.begin(); |
| iterator != param_list.end(); ++iterator) { |
| Strings parts; |
| // The '=' delimiter is required and the name must be not empty. |
| base::SplitString(*iterator, '=', &parts); |
| if ((parts.size() != 2U) || parts[0].empty()) |
| return std::string(); |
| |
| std::string& value = parts[1]; |
| size_t replacements_size = replacements->size(); |
| if (IsTemplateParameterString(value)) |
| ParseParameter(0, value.length() - 1, &value, replacements); |
| post_params->push_back(std::make_pair(parts[0], value)); |
| // If there was a replacement added, points its index to last added |
| // PostParam. |
| if (replacements->size() > replacements_size) { |
| DCHECK_EQ(replacements_size + 1, replacements->size()); |
| Replacement* r = &replacements->back(); |
| r->is_post_param = true; |
| r->index = post_params->size() - 1; |
| } |
| } |
| DCHECK(!post_params->empty()); |
| } |
| |
| *valid = true; |
| return parsed_url; |
| } |
| |
| void TemplateURLRef::ParseIfNecessary() const { |
| UIThreadSearchTermsData search_terms_data(owner_->profile()); |
| ParseIfNecessaryUsingTermsData(search_terms_data); |
| } |
| |
| void TemplateURLRef::ParseIfNecessaryUsingTermsData( |
| const SearchTermsData& search_terms_data) const { |
| if (!parsed_) { |
| InvalidateCachedValues(); |
| parsed_ = true; |
| parsed_url_ = ParseURL(GetURL(), &replacements_, &post_params_, &valid_); |
| supports_replacements_ = false; |
| if (valid_) { |
| bool has_only_one_search_term = false; |
| for (Replacements::const_iterator i = replacements_.begin(); |
| i != replacements_.end(); ++i) { |
| if ((i->type == SEARCH_TERMS) || |
| (i->type == GOOGLE_UNESCAPED_SEARCH_TERMS)) { |
| if (has_only_one_search_term) { |
| has_only_one_search_term = false; |
| break; |
| } |
| has_only_one_search_term = true; |
| supports_replacements_ = true; |
| } |
| } |
| // Only parse the host/key if there is one search term. Technically there |
| // could be more than one term, but it's uncommon; so we punt. |
| if (has_only_one_search_term) |
| ParseHostAndSearchTermKey(search_terms_data); |
| } |
| } |
| } |
| |
| void TemplateURLRef::ParseHostAndSearchTermKey( |
| const SearchTermsData& search_terms_data) const { |
| std::string url_string(GetURL()); |
| ReplaceSubstringsAfterOffset(&url_string, 0, |
| kGoogleBaseURLParameterFull, |
| search_terms_data.GoogleBaseURLValue()); |
| ReplaceSubstringsAfterOffset(&url_string, 0, |
| kGoogleBaseSuggestURLParameterFull, |
| search_terms_data.GoogleBaseSuggestURLValue()); |
| |
| search_term_key_.clear(); |
| host_.clear(); |
| path_.clear(); |
| search_term_key_location_ = url_parse::Parsed::REF; |
| |
| GURL url(url_string); |
| if (!url.is_valid()) |
| return; |
| |
| std::string query_key = FindSearchTermsKey(url.query()); |
| std::string ref_key = FindSearchTermsKey(url.ref()); |
| if (query_key.empty() == ref_key.empty()) |
| return; // No key or multiple keys found. We only handle having one key. |
| search_term_key_ = query_key.empty() ? ref_key : query_key; |
| search_term_key_location_ = query_key.empty() ? |
| url_parse::Parsed::REF : url_parse::Parsed::QUERY; |
| host_ = url.host(); |
| path_ = url.path(); |
| } |
| |
| void TemplateURLRef::HandleReplacement(const std::string& name, |
| const std::string& value, |
| const Replacement& replacement, |
| std::string* url) const { |
| size_t pos = replacement.index; |
| if (replacement.is_post_param) { |
| DCHECK_LT(pos, post_params_.size()); |
| DCHECK(!post_params_[pos].first.empty()); |
| post_params_[pos].second = value; |
| } else { |
| url->insert(pos, name.empty() ? value : (name + "=" + value + "&")); |
| } |
| } |
| |
| std::string TemplateURLRef::HandleReplacements( |
| const SearchTermsArgs& search_terms_args, |
| const SearchTermsData& search_terms_data, |
| PostContent* post_content) const { |
| if (replacements_.empty()) { |
| if (!post_params_.empty()) |
| EncodeFormData(post_params_, post_content); |
| return parsed_url_; |
| } |
| |
| // Determine if the search terms are in the query or before. We're escaping |
| // space as '+' in the former case and as '%20' in the latter case. |
| bool is_in_query = true; |
| for (Replacements::iterator i = replacements_.begin(); |
| i != replacements_.end(); ++i) { |
| if (i->type == SEARCH_TERMS) { |
| string16::size_type query_start = parsed_url_.find('?'); |
| is_in_query = query_start != string16::npos && |
| (static_cast<string16::size_type>(i->index) > query_start); |
| break; |
| } |
| } |
| |
| std::string input_encoding; |
| string16 encoded_terms; |
| string16 encoded_original_query; |
| owner_->EncodeSearchTerms(search_terms_args, is_in_query, &input_encoding, |
| &encoded_terms, &encoded_original_query); |
| |
| std::string url = parsed_url_; |
| |
| // replacements_ is ordered in ascending order, as such we need to iterate |
| // from the back. |
| for (Replacements::reverse_iterator i = replacements_.rbegin(); |
| i != replacements_.rend(); ++i) { |
| switch (i->type) { |
| case ENCODING: |
| HandleReplacement(std::string(), input_encoding, *i, &url); |
| break; |
| |
| case GOOGLE_ASSISTED_QUERY_STATS: |
| DCHECK(!i->is_post_param); |
| if (!search_terms_args.assisted_query_stats.empty()) { |
| // Get the base URL without substituting AQS to avoid infinite |
| // recursion. We need the URL to find out if it meets all |
| // AQS requirements (e.g. HTTPS protocol check). |
| // See TemplateURLRef::SearchTermsArgs for more details. |
| SearchTermsArgs search_terms_args_without_aqs(search_terms_args); |
| search_terms_args_without_aqs.assisted_query_stats.clear(); |
| GURL base_url(ReplaceSearchTermsUsingTermsData( |
| search_terms_args_without_aqs, search_terms_data, NULL)); |
| if (base_url.SchemeIs(content::kHttpsScheme)) { |
| HandleReplacement( |
| "aqs", search_terms_args.assisted_query_stats, *i, &url); |
| } |
| } |
| break; |
| |
| case GOOGLE_BASE_URL: |
| DCHECK(!i->is_post_param); |
| HandleReplacement( |
| std::string(), search_terms_data.GoogleBaseURLValue(), *i, &url); |
| break; |
| |
| case GOOGLE_BASE_SUGGEST_URL: |
| DCHECK(!i->is_post_param); |
| HandleReplacement( |
| std::string(), search_terms_data.GoogleBaseSuggestURLValue(), *i, |
| &url); |
| break; |
| |
| case GOOGLE_BOOKMARK_BAR_PINNED: |
| if (showing_search_terms_) { |
| // Log whether the bookmark bar is pinned when the user is seeing |
| // InstantExtended on the SRP. |
| DCHECK(!i->is_post_param); |
| HandleReplacement( |
| "bmbp", search_terms_args.bookmark_bar_pinned ? "1" : "0", *i, |
| &url); |
| } |
| break; |
| |
| case GOOGLE_CURSOR_POSITION: |
| DCHECK(!i->is_post_param); |
| if (search_terms_args.cursor_position != string16::npos) |
| HandleReplacement( |
| "cp", |
| base::StringPrintf("%" PRIuS, search_terms_args.cursor_position), |
| *i, |
| &url); |
| break; |
| |
| case GOOGLE_INSTANT_ENABLED: |
| DCHECK(!i->is_post_param); |
| HandleReplacement( |
| std::string(), search_terms_data.InstantEnabledParam(), *i, &url); |
| break; |
| |
| case GOOGLE_INSTANT_EXTENDED_ENABLED: |
| DCHECK(!i->is_post_param); |
| HandleReplacement( |
| std::string(), search_terms_data.InstantExtendedEnabledParam(), *i, |
| &url); |
| break; |
| |
| case GOOGLE_NTP_IS_THEMED: |
| DCHECK(!i->is_post_param); |
| HandleReplacement( |
| std::string(), search_terms_data.NTPIsThemedParam(), *i, &url); |
| break; |
| |
| case GOOGLE_OMNIBOX_START_MARGIN: |
| DCHECK(!i->is_post_param); |
| if (search_terms_args.omnibox_start_margin >= 0) { |
| HandleReplacement( |
| "es_sm", |
| base::IntToString(search_terms_args.omnibox_start_margin), |
| *i, |
| &url); |
| } |
| break; |
| |
| case GOOGLE_ORIGINAL_QUERY_FOR_SUGGESTION: |
| DCHECK(!i->is_post_param); |
| if (search_terms_args.accepted_suggestion >= 0 || |
| !search_terms_args.assisted_query_stats.empty()) { |
| HandleReplacement( |
| "oq", UTF16ToUTF8(encoded_original_query), *i, &url); |
| } |
| break; |
| |
| case GOOGLE_PAGE_CLASSIFICATION: |
| if (search_terms_args.page_classification != |
| AutocompleteInput::INVALID_SPEC) { |
| HandleReplacement( |
| "pgcl", base::IntToString(search_terms_args.page_classification), |
| *i, &url); |
| } |
| break; |
| |
| case GOOGLE_RLZ: { |
| DCHECK(!i->is_post_param); |
| // On platforms that don't have RLZ, we still want this branch |
| // to happen so that we replace the RLZ template with the |
| // empty string. (If we don't handle this case, we hit a |
| // NOTREACHED below.) |
| string16 rlz_string = search_terms_data.GetRlzParameterValue(); |
| if (!rlz_string.empty()) { |
| HandleReplacement("rlz", UTF16ToUTF8(rlz_string), *i, &url); |
| } |
| break; |
| } |
| |
| case GOOGLE_SEARCH_CLIENT: { |
| DCHECK(!i->is_post_param); |
| std::string client = search_terms_data.GetSearchClient(); |
| if (!client.empty()) |
| HandleReplacement("client", client, *i, &url); |
| break; |
| } |
| |
| case GOOGLE_SEARCH_FIELDTRIAL_GROUP: |
| // We are not currently running any fieldtrials that modulate the search |
| // url. If we do, then we'd have some conditional insert such as: |
| // url.insert(i->index, used_www ? "gcx=w&" : "gcx=c&"); |
| break; |
| |
| case GOOGLE_SUGGEST_CLIENT: |
| HandleReplacement( |
| std::string(), search_terms_data.GetSuggestClient(), *i, &url); |
| break; |
| |
| case GOOGLE_UNESCAPED_SEARCH_TERMS: { |
| std::string unescaped_terms; |
| base::UTF16ToCodepage(search_terms_args.search_terms, |
| input_encoding.c_str(), |
| base::OnStringConversionError::SKIP, |
| &unescaped_terms); |
| HandleReplacement(std::string(), unescaped_terms, *i, &url); |
| break; |
| } |
| |
| case GOOGLE_ZERO_PREFIX_URL: |
| DCHECK(!i->is_post_param); |
| if (!search_terms_args.zero_prefix_url.empty()) { |
| const std::string& escaped_zero_prefix_url = |
| net::EscapeQueryParamValue(search_terms_args.zero_prefix_url, |
| true); |
| HandleReplacement("url", escaped_zero_prefix_url, *i, &url); |
| } |
| |
| break; |
| |
| case LANGUAGE: |
| HandleReplacement( |
| std::string(), search_terms_data.GetApplicationLocale(), *i, &url); |
| break; |
| |
| case SEARCH_TERMS: |
| HandleReplacement(std::string(), UTF16ToUTF8(encoded_terms), *i, &url); |
| break; |
| |
| case GOOGLE_IMAGE_THUMBNAIL: |
| HandleReplacement( |
| std::string(), search_terms_args.image_thumbnail_content, *i, &url); |
| break; |
| |
| case GOOGLE_IMAGE_URL: |
| if (search_terms_args.image_url.is_valid()) { |
| HandleReplacement( |
| std::string(), search_terms_args.image_url.spec(), *i, &url); |
| } |
| break; |
| |
| case GOOGLE_IMAGE_ORIGINAL_WIDTH: |
| if (!search_terms_args.image_original_size.IsEmpty()) { |
| HandleReplacement( |
| std::string(), |
| base::IntToString(search_terms_args.image_original_size.width()), |
| *i, &url); |
| } |
| break; |
| |
| case GOOGLE_IMAGE_ORIGINAL_HEIGHT: |
| if (!search_terms_args.image_original_size.IsEmpty()) { |
| HandleReplacement( |
| std::string(), |
| base::IntToString(search_terms_args.image_original_size.height()), |
| *i, &url); |
| } |
| break; |
| |
| default: |
| NOTREACHED(); |
| break; |
| } |
| } |
| |
| if (!post_params_.empty()) |
| EncodeFormData(post_params_, post_content); |
| |
| return url; |
| } |
| |
| |
| // TemplateURLData ------------------------------------------------------------ |
| |
| TemplateURLData::TemplateURLData() |
| : show_in_default_list(false), |
| safe_for_autoreplace(false), |
| id(0), |
| date_created(base::Time::Now()), |
| last_modified(base::Time::Now()), |
| created_by_policy(false), |
| usage_count(0), |
| prepopulate_id(0), |
| sync_guid(base::GenerateGUID()), |
| keyword_(ASCIIToUTF16("dummy")), |
| url_("x") { |
| } |
| |
| TemplateURLData::~TemplateURLData() { |
| } |
| |
| void TemplateURLData::SetKeyword(const string16& keyword) { |
| DCHECK(!keyword.empty()); |
| |
| // Case sensitive keyword matching is confusing. As such, we force all |
| // keywords to be lower case. |
| keyword_ = base::i18n::ToLower(keyword); |
| } |
| |
| void TemplateURLData::SetURL(const std::string& url) { |
| DCHECK(!url.empty()); |
| url_ = url; |
| } |
| |
| |
| // TemplateURL ---------------------------------------------------------------- |
| |
| TemplateURL::TemplateURL(Profile* profile, const TemplateURLData& data) |
| : profile_(profile), |
| data_(data), |
| url_ref_(this, TemplateURLRef::SEARCH), |
| suggestions_url_ref_(this, |
| TemplateURLRef::SUGGEST), |
| instant_url_ref_(this, |
| TemplateURLRef::INSTANT), |
| image_url_ref_(this, TemplateURLRef::IMAGE), |
| new_tab_url_ref_(this, TemplateURLRef::NEW_TAB) { |
| SetPrepopulateId(data_.prepopulate_id); |
| |
| if (data_.search_terms_replacement_key == |
| kGoogleInstantExtendedEnabledKeyFull) { |
| data_.search_terms_replacement_key = google_util::kInstantExtendedAPIParam; |
| } |
| } |
| |
| TemplateURL::~TemplateURL() { |
| } |
| |
| // static |
| GURL TemplateURL::GenerateFaviconURL(const GURL& url) { |
| DCHECK(url.is_valid()); |
| GURL::Replacements rep; |
| |
| const char favicon_path[] = "/favicon.ico"; |
| int favicon_path_len = arraysize(favicon_path) - 1; |
| |
| rep.SetPath(favicon_path, url_parse::Component(0, favicon_path_len)); |
| rep.ClearUsername(); |
| rep.ClearPassword(); |
| rep.ClearQuery(); |
| rep.ClearRef(); |
| return url.ReplaceComponents(rep); |
| } |
| |
| string16 TemplateURL::AdjustedShortNameForLocaleDirection() const { |
| string16 bidi_safe_short_name = data_.short_name; |
| base::i18n::AdjustStringForLocaleDirection(&bidi_safe_short_name); |
| return bidi_safe_short_name; |
| } |
| |
| bool TemplateURL::ShowInDefaultList() const { |
| return data_.show_in_default_list && url_ref_.SupportsReplacement(); |
| } |
| |
| bool TemplateURL::SupportsReplacement() const { |
| UIThreadSearchTermsData search_terms_data(profile_); |
| return SupportsReplacementUsingTermsData(search_terms_data); |
| } |
| |
| bool TemplateURL::SupportsReplacementUsingTermsData( |
| const SearchTermsData& search_terms_data) const { |
| return url_ref_.SupportsReplacementUsingTermsData(search_terms_data); |
| } |
| |
| bool TemplateURL::IsGoogleSearchURLWithReplaceableKeyword() const { |
| return !IsExtensionKeyword() && url_ref_.HasGoogleBaseURLs() && |
| google_util::IsGoogleHostname(UTF16ToUTF8(data_.keyword()), |
| google_util::DISALLOW_SUBDOMAIN); |
| } |
| |
| bool TemplateURL::HasSameKeywordAs(const TemplateURL& other) const { |
| return (data_.keyword() == other.data_.keyword()) || |
| (IsGoogleSearchURLWithReplaceableKeyword() && |
| other.IsGoogleSearchURLWithReplaceableKeyword()); |
| } |
| |
| std::string TemplateURL::GetExtensionId() const { |
| DCHECK(IsExtensionKeyword()); |
| return GURL(data_.url()).host(); |
| } |
| |
| bool TemplateURL::IsExtensionKeyword() const { |
| return GURL(data_.url()).SchemeIs(extensions::kExtensionScheme); |
| } |
| |
| size_t TemplateURL::URLCount() const { |
| // Add 1 for the regular search URL. |
| return data_.alternate_urls.size() + 1; |
| } |
| |
| const std::string& TemplateURL::GetURL(size_t index) const { |
| DCHECK_LT(index, URLCount()); |
| |
| return (index < data_.alternate_urls.size()) ? |
| data_.alternate_urls[index] : url(); |
| } |
| |
| bool TemplateURL::ExtractSearchTermsFromURL( |
| const GURL& url, |
| string16* search_terms) { |
| UIThreadSearchTermsData search_terms_data(profile_); |
| return ExtractSearchTermsFromURLUsingTermsData(url, search_terms, |
| search_terms_data); |
| } |
| |
| bool TemplateURL::ExtractSearchTermsFromURLUsingTermsData( |
| const GURL& url, |
| string16* search_terms, |
| const SearchTermsData& search_terms_data) { |
| return FindSearchTermsInURL(url, search_terms_data, search_terms, NULL, NULL); |
| } |
| |
| |
| bool TemplateURL::IsSearchURL(const GURL& url) { |
| UIThreadSearchTermsData search_terms_data(profile_); |
| return IsSearchURLUsingTermsData(url, search_terms_data); |
| } |
| |
| bool TemplateURL::IsSearchURLUsingTermsData( |
| const GURL& url, |
| const SearchTermsData& search_terms_data) { |
| string16 search_terms; |
| return ExtractSearchTermsFromURLUsingTermsData( |
| url, &search_terms, search_terms_data) && !search_terms.empty(); |
| } |
| |
| bool TemplateURL::HasSearchTermsReplacementKey(const GURL& url) const { |
| // Look for the key both in the query and the ref. |
| std::string params[] = {url.query(), url.ref()}; |
| |
| for (int i = 0; i < 2; ++i) { |
| url_parse::Component query, key, value; |
| query.len = static_cast<int>(params[i].size()); |
| while (url_parse::ExtractQueryKeyValue(params[i].c_str(), &query, &key, |
| &value)) { |
| if (key.is_nonempty() && |
| params[i].substr(key.begin, key.len) == |
| search_terms_replacement_key()) { |
| return true; |
| } |
| } |
| } |
| return false; |
| } |
| |
| bool TemplateURL::ReplaceSearchTermsInURL( |
| const GURL& url, |
| const TemplateURLRef::SearchTermsArgs& search_terms_args, |
| GURL* result) { |
| UIThreadSearchTermsData search_terms_data(profile_); |
| // TODO(beaudoin): Use AQS from |search_terms_args| too. |
| url_parse::Parsed::ComponentType search_term_component; |
| url_parse::Component search_terms_position; |
| string16 search_terms; |
| if (!FindSearchTermsInURL(url, search_terms_data, &search_terms, |
| &search_term_component, &search_terms_position)) { |
| return false; |
| } |
| DCHECK(search_terms_position.is_nonempty()); |
| |
| // FindSearchTermsInURL only returns true for search terms in the query or |
| // ref, so we can call EncodeSearchTerm with |is_in_query| = true, since query |
| // and ref are encoded in the same way. |
| std::string input_encoding; |
| string16 encoded_terms; |
| string16 encoded_original_query; |
| EncodeSearchTerms(search_terms_args, true, &input_encoding, |
| &encoded_terms, &encoded_original_query); |
| |
| std::string old_params((search_term_component == url_parse::Parsed::REF) ? |
| url.ref() : url.query()); |
| std::string new_params(old_params, 0, search_terms_position.begin); |
| new_params += UTF16ToUTF8(search_terms_args.search_terms); |
| new_params += old_params.substr(search_terms_position.end()); |
| url_canon::StdStringReplacements<std::string> replacements; |
| if (search_term_component == url_parse::Parsed::REF) |
| replacements.SetRefStr(new_params); |
| else |
| replacements.SetQueryStr(new_params); |
| *result = url.ReplaceComponents(replacements); |
| return true; |
| } |
| |
| void TemplateURL::EncodeSearchTerms( |
| const TemplateURLRef::SearchTermsArgs& search_terms_args, |
| bool is_in_query, |
| std::string* input_encoding, |
| string16* encoded_terms, |
| string16* encoded_original_query) const { |
| |
| std::vector<std::string> encodings(input_encodings()); |
| if (std::find(encodings.begin(), encodings.end(), "UTF-8") == encodings.end()) |
| encodings.push_back("UTF-8"); |
| for (std::vector<std::string>::const_iterator i(encodings.begin()); |
| i != encodings.end(); ++i) { |
| if (TryEncoding(search_terms_args.search_terms, |
| search_terms_args.original_query, i->c_str(), |
| is_in_query, encoded_terms, encoded_original_query)) { |
| *input_encoding = *i; |
| return; |
| } |
| } |
| NOTREACHED(); |
| } |
| |
| void TemplateURL::CopyFrom(const TemplateURL& other) { |
| if (this == &other) |
| return; |
| |
| profile_ = other.profile_; |
| data_ = other.data_; |
| url_ref_.InvalidateCachedValues(); |
| suggestions_url_ref_.InvalidateCachedValues(); |
| instant_url_ref_.InvalidateCachedValues(); |
| SetPrepopulateId(other.data_.prepopulate_id); |
| } |
| |
| void TemplateURL::SetURL(const std::string& url) { |
| data_.SetURL(url); |
| url_ref_.InvalidateCachedValues(); |
| } |
| |
| void TemplateURL::SetPrepopulateId(int id) { |
| data_.prepopulate_id = id; |
| const bool prepopulated = id > 0; |
| url_ref_.prepopulated_ = prepopulated; |
| suggestions_url_ref_.prepopulated_ = prepopulated; |
| instant_url_ref_.prepopulated_ = prepopulated; |
| } |
| |
| void TemplateURL::ResetKeywordIfNecessary(bool force) { |
| if (IsGoogleSearchURLWithReplaceableKeyword() || force) { |
| DCHECK(!IsExtensionKeyword()); |
| GURL url(TemplateURLService::GenerateSearchURL(this)); |
| if (url.is_valid()) |
| data_.SetKeyword(TemplateURLService::GenerateKeyword(url)); |
| } |
| } |
| |
| bool TemplateURL::FindSearchTermsInURL( |
| const GURL& url, |
| const SearchTermsData& search_terms_data, |
| string16* search_terms, |
| url_parse::Parsed::ComponentType* search_term_component, |
| url_parse::Component* search_terms_position) { |
| DCHECK(search_terms); |
| search_terms->clear(); |
| |
| // Try to match with every pattern. |
| for (size_t i = 0; i < URLCount(); ++i) { |
| TemplateURLRef ref(this, i); |
| if (ref.ExtractSearchTermsFromURL(url, search_terms, search_terms_data, |
| search_term_component, search_terms_position)) { |
| // If ExtractSearchTermsFromURL() returns true and |search_terms| is empty |
| // it means the pattern matched but no search terms were present. In this |
| // case we fail immediately without looking for matches in subsequent |
| // patterns. This means that given patterns |
| // [ "http://foo/#q={searchTerms}", "http://foo/?q={searchTerms}" ], |
| // calling ExtractSearchTermsFromURL() on "http://foo/?q=bar#q=' would |
| // return false. This is important for at least Google, where such URLs |
| // are invalid. |
| return !search_terms->empty(); |
| } |
| } |
| return false; |
| } |
