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105 lines
4.1 KiB
C++
105 lines
4.1 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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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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#ifndef NET_HTTP_HTTP_SECURITY_HEADERS_H_
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#define NET_HTTP_HTTP_SECURITY_HEADERS_H_
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#include <stdint.h>
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#include <string>
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#include "base/time/time.h"
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#include "base/values.h"
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#include "net/base/hash_value.h"
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#include "net/base/net_export.h"
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class GURL;
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namespace net {
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const uint32_t kMaxHSTSAgeSecs = 86400 * 365; // 1 year
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// RFC7469 suggests that 60 days is a reasonable maximum max-age value
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// http://tools.ietf.org/html/rfc7469#section-4.1
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const uint32_t kMaxHPKPAgeSecs = 86400 * 60; // 60 days
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// https://tools.ietf.org/html/draft-ietf-httpbis-expect-ct-00 suggests a
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// conservative maximum max-age, at least while Expect-CT is new.
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const uint32_t kMaxExpectCTAgeSecs = 86400 * 30; // 30 days
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// Parses |value| as a Strict-Transport-Security header value. If successful,
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// returns true and sets |*max_age| and |*include_subdomains|.
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// Otherwise returns false and leaves the output parameters unchanged.
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//
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// value is the right-hand side of:
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//
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// "Strict-Transport-Security" ":"
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// [ directive ] *( ";" [ directive ] )
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bool NET_EXPORT_PRIVATE ParseHSTSHeader(const std::string& value,
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base::TimeDelta* max_age,
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bool* include_subdomains);
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// Parses |value| as a Public-Key-Pins header value. If successful, returns
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// true and populates the |*max_age|, |*include_subdomains|, |*hashes|, and
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// |*report_uri| values. Otherwise returns false and leaves the output
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// parameters unchanged.
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//
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// value is the right-hand side of:
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//
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// "Public-Key-Pins" ":"
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// "max-age" "=" delta-seconds ";"
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// "pin-" algo "=" base64 [ ";" ... ]
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// [ ";" "includeSubdomains" ]
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// [ ";" "report-uri" "=" uri-reference ]
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//
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// For this function to return true, the key hashes specified by the HPKP
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// header must pass two additional checks. There MUST be at least one key
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// hash which matches the SSL certificate chain of the current site (as
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// specified by the chain_hashes) parameter. In addition, there MUST be at
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// least one key hash which does NOT match the site's SSL certificate chain
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// (this is the "backup pin").
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bool NET_EXPORT_PRIVATE ParseHPKPHeader(const std::string& value,
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const HashValueVector& chain_hashes,
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base::TimeDelta* max_age,
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bool* include_subdomains,
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HashValueVector* hashes,
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GURL* report_uri);
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// Parses |value| as a Public-Key-Pins-Report-Only header value. If
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// successful, returns true and populates the |*include_subdomains|,
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// |*hashes|, and |*report_uri| values. Otherwise returns false and
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// leaves the output parameters unchanged.
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//
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// value is the right-hand side of:
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//
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// "Public-Key-Pins-Report-Only" ":"
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// [ "max-age" "=" delta-seconds ";" ]
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// "pin-" algo "=" base64 [ ";" ... ]
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// [ ";" "includeSubdomains" ]
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// [ ";" "report-uri" "=" uri-reference ]
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//
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bool NET_EXPORT_PRIVATE ParseHPKPReportOnlyHeader(const std::string& value,
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bool* include_subdomains,
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HashValueVector* hashes,
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GURL* report_uri);
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// Parses |value| as an Expect-CT header value. If successful, returns true and
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// populates the |*max_age|, |*enforce|, and |*report_uri| values. Otherwise
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// returns false and leaves the output parameters unchanged.
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//
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// |value| is the right-hand side of:
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// "Expect-CT" ":"
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// "max-age" "=" delta-seconds
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// [ "," "enforce" ]
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// [ "," "report-uri" "=" uri-reference ]
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//
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bool NET_EXPORT_PRIVATE ParseExpectCTHeader(const std::string& value,
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base::TimeDelta* max_age,
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bool* enforce,
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GURL* report_uri);
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} // namespace net
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#endif // NET_HTTP_HTTP_SECURITY_HEADERS_H_
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