65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
// Copyright 2022 The Chromium Authors
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "net/base/url_search_params.h"
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#include <algorithm>
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#include <string>
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#include <utility>
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#include <vector>
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#include "base/containers/cxx20_erase_vector.h"
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#include "base/strings/string_piece.h"
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#include "base/strings/utf_string_conversions.h"
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#include "net/base/url_util.h"
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#include "url/gurl.h"
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namespace net {
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UrlSearchParams::UrlSearchParams(const GURL& url) {
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for (auto it = QueryIterator(url); !it.IsAtEnd(); it.Advance()) {
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// Use unescaped keys and values in order to mitigate potentially different
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// representations for query search params names/values.
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// E.g. a space character might be encoded as '+' or as "%20". A character
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// might be encoded as a character or as its percent encoded
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// representation (e.g. ?%63=2 should be the same as ?c=2). E.g. ぁ would be
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// percent encoded as %E3%81%81. Unescapes the given `key` and `value`
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// using URL escaping rules.
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params_.emplace_back(UnescapePercentEncodedUrl(it.GetKey()),
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UnescapePercentEncodedUrl(it.GetValue()));
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}
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}
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UrlSearchParams::~UrlSearchParams() = default;
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void UrlSearchParams::Sort() {
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// Note: since query is ASCII and we've Unescaped the keys already,
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// the URL equivalence under No-Vary-Search conditions using the normal string
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// comparison should be enough.
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std::stable_sort(params_.begin(), params_.end(),
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[](const std::pair<std::string, std::string>& a,
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const std::pair<std::string, std::string>& b) {
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return a.first < b.first;
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});
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}
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void UrlSearchParams::DeleteAllWithNames(
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const base::flat_set<std::string>& names) {
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base::EraseIf(params_,
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[&](const auto& pair) { return names.contains(pair.first); });
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}
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void UrlSearchParams::DeleteAllExceptWithNames(
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const base::flat_set<std::string>& names) {
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base::EraseIf(params_,
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[&](const auto& pair) { return !names.contains(pair.first); });
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}
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const std::vector<std::pair<std::string, std::string>>&
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UrlSearchParams::params() const {
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return params_;
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}
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} // namespace net
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