mirror of
https://github.com/klzgrad/naiveproxy.git
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77 lines
2.8 KiB
C++
77 lines
2.8 KiB
C++
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// Copyright 2014 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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#include "net/http/http_log_util.h"
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#include "base/strings/string_util.h"
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#include "base/strings/stringprintf.h"
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#include "net/http/http_auth_challenge_tokenizer.h"
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#include "net/http/http_auth_scheme.h"
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namespace net {
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namespace {
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bool ShouldRedactChallenge(HttpAuthChallengeTokenizer* challenge) {
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// Ignore lines with commas, as they may contain lists of schemes, and
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// the information we want to hide is Base64 encoded, so has no commas.
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if (challenge->challenge_text().find(',') != std::string::npos)
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return false;
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std::string scheme = base::ToLowerASCII(challenge->scheme());
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// Invalid input.
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if (scheme.empty())
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return false;
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// Ignore Basic and Digest authentication challenges, as they contain
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// public information.
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if (scheme == kBasicAuthScheme || scheme == kDigestAuthScheme)
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return false;
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return true;
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}
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} // namespace
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std::string ElideHeaderValueForNetLog(NetLogCaptureMode capture_mode,
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const std::string& header,
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const std::string& value) {
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std::string::const_iterator redact_begin = value.begin();
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std::string::const_iterator redact_end = value.begin();
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if (redact_begin == redact_end &&
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!capture_mode.include_cookies_and_credentials()) {
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// Note: this logic should be kept in sync with stripCookieOrLoginInfo in
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// chrome/browser/resources/net_internals/log_view_painter.js.
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if (base::EqualsCaseInsensitiveASCII(header, "set-cookie") ||
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base::EqualsCaseInsensitiveASCII(header, "set-cookie2") ||
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base::EqualsCaseInsensitiveASCII(header, "cookie") ||
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base::EqualsCaseInsensitiveASCII(header, "authorization") ||
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base::EqualsCaseInsensitiveASCII(header, "proxy-authorization")) {
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redact_begin = value.begin();
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redact_end = value.end();
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} else if (base::EqualsCaseInsensitiveASCII(header, "www-authenticate") ||
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base::EqualsCaseInsensitiveASCII(header, "proxy-authenticate")) {
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// Look for authentication information from data received from the server
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// in multi-round Negotiate authentication.
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HttpAuthChallengeTokenizer challenge(value.begin(), value.end());
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if (ShouldRedactChallenge(&challenge)) {
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redact_begin = challenge.params_begin();
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redact_end = challenge.params_end();
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}
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}
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}
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if (redact_begin == redact_end)
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return value;
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return std::string(value.begin(), redact_begin) +
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base::StringPrintf("[%ld bytes were stripped]",
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static_cast<long>(redact_end - redact_begin)) +
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std::string(redact_end, value.end());
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}
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} // namespace net
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