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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/autocomplete/search_provider.h" | 5 #include "chrome/browser/autocomplete/search_provider.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <cmath> | 8 #include <cmath> |
9 | 9 |
10 #include "base/base64.h" | 10 #include "base/base64.h" |
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581 // Next we check the scheme. If this is UNKNOWN/URL with a scheme that isn't | 581 // Next we check the scheme. If this is UNKNOWN/URL with a scheme that isn't |
582 // http/https/ftp, we shouldn't send it. Sending things like file: and data: | 582 // http/https/ftp, we shouldn't send it. Sending things like file: and data: |
583 // is both a waste of time and a disclosure of potentially private, local | 583 // is both a waste of time and a disclosure of potentially private, local |
584 // data. Other "schemes" may actually be usernames, and we don't want to send | 584 // data. Other "schemes" may actually be usernames, and we don't want to send |
585 // passwords. If the scheme is OK, we still need to check other cases below. | 585 // passwords. If the scheme is OK, we still need to check other cases below. |
586 // If this is QUERY, then the presence of these schemes means the user | 586 // If this is QUERY, then the presence of these schemes means the user |
587 // explicitly typed one, and thus this is probably a URL that's being entered | 587 // explicitly typed one, and thus this is probably a URL that's being entered |
588 // and happens to currently be invalid -- in which case we again want to run | 588 // and happens to currently be invalid -- in which case we again want to run |
589 // our checks below. Other QUERY cases are less likely to be URLs and thus we | 589 // our checks below. Other QUERY cases are less likely to be URLs and thus we |
590 // assume we're OK. | 590 // assume we're OK. |
591 if (!base::LowerCaseEqualsASCII(input_.scheme(), url::kHttpScheme) && | 591 if (!LowerCaseEqualsASCII(input_.scheme(), url::kHttpScheme) && |
592 !base::LowerCaseEqualsASCII(input_.scheme(), url::kHttpsScheme) && | 592 !LowerCaseEqualsASCII(input_.scheme(), url::kHttpsScheme) && |
593 !base::LowerCaseEqualsASCII(input_.scheme(), url::kFtpScheme)) | 593 !LowerCaseEqualsASCII(input_.scheme(), url::kFtpScheme)) |
594 return (input_.type() == metrics::OmniboxInputType::QUERY); | 594 return (input_.type() == metrics::OmniboxInputType::QUERY); |
595 | 595 |
596 // Don't send URLs with usernames, queries or refs. Some of these are | 596 // Don't send URLs with usernames, queries or refs. Some of these are |
597 // private, and the Suggest server is unlikely to have any useful results | 597 // private, and the Suggest server is unlikely to have any useful results |
598 // for any of them. Also don't send URLs with ports, as we may initially | 598 // for any of them. Also don't send URLs with ports, as we may initially |
599 // think that a username + password is a host + port (and we don't want to | 599 // think that a username + password is a host + port (and we don't want to |
600 // send usernames/passwords), and even if the port really is a port, the | 600 // send usernames/passwords), and even if the port really is a port, the |
601 // server is once again unlikely to have and useful results. | 601 // server is once again unlikely to have and useful results. |
602 // Note that we only block based on refs if the input is URL-typed, as search | 602 // Note that we only block based on refs if the input is URL-typed, as search |
603 // queries can legitimately have #s in them which the URL parser | 603 // queries can legitimately have #s in them which the URL parser |
604 // overaggressively categorizes as a url with a ref. | 604 // overaggressively categorizes as a url with a ref. |
605 const url::Parsed& parts = input_.parts(); | 605 const url::Parsed& parts = input_.parts(); |
606 if (parts.username.is_nonempty() || parts.port.is_nonempty() || | 606 if (parts.username.is_nonempty() || parts.port.is_nonempty() || |
607 parts.query.is_nonempty() || | 607 parts.query.is_nonempty() || |
608 (parts.ref.is_nonempty() && | 608 (parts.ref.is_nonempty() && |
609 (input_.type() == metrics::OmniboxInputType::URL))) | 609 (input_.type() == metrics::OmniboxInputType::URL))) |
610 return false; | 610 return false; |
611 | 611 |
612 // Don't send anything for https except the hostname. Hostnames are OK | 612 // Don't send anything for https except the hostname. Hostnames are OK |
613 // because they are visible when the TCP connection is established, but the | 613 // because they are visible when the TCP connection is established, but the |
614 // specific path may reveal private information. | 614 // specific path may reveal private information. |
615 if (base::LowerCaseEqualsASCII(input_.scheme(), url::kHttpsScheme) && | 615 if (LowerCaseEqualsASCII(input_.scheme(), url::kHttpsScheme) && |
616 parts.path.is_nonempty()) | 616 parts.path.is_nonempty()) |
617 return false; | 617 return false; |
618 | 618 |
619 return true; | 619 return true; |
620 } | 620 } |
621 | 621 |
622 void SearchProvider::RemoveAllStaleResults() { | 622 void SearchProvider::RemoveAllStaleResults() { |
623 if (keyword_input_.text().empty()) { | 623 if (keyword_input_.text().empty()) { |
624 // User is either in keyword mode with a blank input or out of | 624 // User is either in keyword mode with a blank input or out of |
625 // keyword mode entirely. | 625 // keyword mode entirely. |
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1262 last_answer_seen_.query_type = match->answer_type; | 1262 last_answer_seen_.query_type = match->answer_type; |
1263 } | 1263 } |
1264 | 1264 |
1265 void SearchProvider::DoAnswersQuery(const AutocompleteInput& input) { | 1265 void SearchProvider::DoAnswersQuery(const AutocompleteInput& input) { |
1266 // If the query text starts with trimmed input, this is valid prefetch data. | 1266 // If the query text starts with trimmed input, this is valid prefetch data. |
1267 prefetch_data_ = StartsWith(last_answer_seen_.full_query_text, | 1267 prefetch_data_ = StartsWith(last_answer_seen_.full_query_text, |
1268 base::CollapseWhitespace(input.text(), false), | 1268 base::CollapseWhitespace(input.text(), false), |
1269 false) ? | 1269 false) ? |
1270 last_answer_seen_ : AnswersQueryData(); | 1270 last_answer_seen_ : AnswersQueryData(); |
1271 } | 1271 } |
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