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// Copyright 2010 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/http/http_auth_filter.h"
#include "base/strings/string_util.h"
#include "url/gurl.h"
#include "url/scheme_host_port.h"
namespace net {
// TODO(ahendrickson) -- Determine if we want separate allowlists for HTTP and
// HTTPS, one for both, or only an HTTP one. My understanding is that the HTTPS
// entries in the registry mean that you are only allowed to connect to the site
// via HTTPS and still be considered 'safe'.
HttpAuthFilterAllowlist::HttpAuthFilterAllowlist(
const std::string& server_allowlist) {
SetAllowlist(server_allowlist);
}
HttpAuthFilterAllowlist::~HttpAuthFilterAllowlist() = default;
// Add a new domain |filter| to the allowlist, if it's not already there
bool HttpAuthFilterAllowlist::AddFilter(const std::string& filter,
HttpAuth::Target target) {
if ((target != HttpAuth::AUTH_SERVER) && (target != HttpAuth::AUTH_PROXY))
return false;
// All proxies pass
if (target == HttpAuth::AUTH_PROXY)
return true;
rules_.AddRuleFromString(filter);
return true;
}
bool HttpAuthFilterAllowlist::IsValid(
const url::SchemeHostPort& scheme_host_port,
HttpAuth::Target target) const {
if ((target != HttpAuth::AUTH_SERVER) && (target != HttpAuth::AUTH_PROXY))
return false;
// All proxies pass
if (target == HttpAuth::AUTH_PROXY)
return true;
return rules_.Matches(scheme_host_port.GetURL());
}
void HttpAuthFilterAllowlist::SetAllowlist(
const std::string& server_allowlist) {
// TODO(eroman): Is this necessary? The issue is that
// HttpAuthFilterAllowlist is trying to use ProxyHostMatchingRules as a
// generic URL filter. However internally it has some implicit rules for
// localhost and linklocal addresses.
rules_.ParseFromString(ProxyHostMatchingRules::GetRulesToSubtractImplicit() +
";" + server_allowlist);
}
} // namespace net
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