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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_JS_INJECTION_COMMON_ORIGIN_MATCHER_H_
#define COMPONENTS_JS_INJECTION_COMMON_ORIGIN_MATCHER_H_
#include <memory>
#include <string>
#include <vector>
namespace url {
class Origin;
} // namespace url
namespace js_injection {
class OriginMatcherRule;
// An url origin matcher allows wildcard subdomain matching. It supports two
// types of rules.
//
// (1) "*"
// A single * (without quote) will match any origin.
//
// (2) SCHEME "://" [ HOSTNAME_PATTERN ][":" PORT]
//
// SCHEME is required. When matching custom schemes, HOSTNAME_PATTERN and PORT
// shouldn't present. When SCHEME is "http" or "https", HOSTNAME_PATTERN is
// required.
//
// HOSTNAME_PATTERN allows wildcard '*' to match subdomains, such as
// "*.example.com". Rules such as "x.*.y.com", "*foobar.com" are not allowed.
// Note that "*.example.com" won't match "example.com", so need another rule
// "example.com" to match it. If the HOSTNAME_PATTERN is an IP literal, it
// will be used for exact matching.
//
// PORT is optional for "http" and "https" schemes, when it is not present, for
// "http" and "https" schemes, it will match default port number (80 and 443
// correspondingly).
class OriginMatcher {
public:
using RuleList = std::vector<std::unique_ptr<OriginMatcherRule>>;
OriginMatcher();
// Allow copy and assign.
OriginMatcher(const OriginMatcher& rhs);
OriginMatcher(OriginMatcher&&);
OriginMatcher& operator=(const OriginMatcher& rhs);
OriginMatcher& operator=(OriginMatcher&&);
~OriginMatcher();
void SetRules(RuleList rules);
// Adds a rule given by the string |raw|. Returns true if the rule was
// successfully added.
bool AddRuleFromString(const std::string& raw);
// Returns true if the |origin| matches any rule in this matcher.
bool Matches(const url::Origin& origin) const;
// Returns the current list of rules.
const RuleList& rules() const { return rules_; }
// Returns string representation of this origin matcher.
std::vector<std::string> Serialize() const;
private:
RuleList rules_;
};
} // namespace js_injection
#endif // COMPONENTS_JS_INJECTION_COMMON_ORIGIN_MATCHER_H_
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