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Unified Diff: chrome/browser/chromeos/cros/certificate_pattern.cc

Issue 13454006: Moving ManagedNetworkConfigurationHandler to chromeos/. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Cleaned up parsing of NetworkUIData. Created 7 years, 8 months ago
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Index: chrome/browser/chromeos/cros/certificate_pattern.cc
diff --git a/chrome/browser/chromeos/cros/certificate_pattern.cc b/chrome/browser/chromeos/cros/certificate_pattern.cc
deleted file mode 100644
index 78249bc82119602bd1d7c142b2f8f3fefa7eaed9..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/cros/certificate_pattern.cc
+++ /dev/null
@@ -1,352 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/chromeos/cros/certificate_pattern.h"
-
-#include <algorithm>
-#include <list>
-#include <string>
-#include <vector>
-
-#include <cert.h>
-#include <pk11pub.h>
-
-#include "base/logging.h"
-#include "base/values.h"
-#include "net/base/net_errors.h"
-#include "net/cert/cert_database.h"
-#include "net/cert/nss_cert_database.h"
-#include "net/cert/x509_cert_types.h"
-#include "net/cert/x509_certificate.h"
-
-// To shorten some of those long lines below.
-using base::DictionaryValue;
-using base::ListValue;
-using std::find;
-using std::list;
-using std::string;
-using std::vector;
-
-namespace chromeos {
-
-namespace {
-
-// Keys for converting classes below to/from dictionaries.
-const char kCommonNameKey[] = "CommonName";
-const char kLocalityKey[] = "Locality";
-const char kOrganizationKey[] = "Organization";
-const char kOrganizationalUnitKey[] = "OrganizationalUnit";
-const char kIssuerCaRefKey[] = "IssuerCARef";
-const char kIssuerKey[] = "Issuer";
-const char kSubjectKey[] = "Subject";
-const char kEnrollmentUriKey[] = "EnrollmentURI";
-
-bool GetAsListOfStrings(const base::Value& value,
- std::vector<std::string>* result) {
- const base::ListValue* list = NULL;
- if (!value.GetAsList(&list))
- return false;
- result->clear();
- result->reserve(list->GetSize());
- for (size_t i = 0; i < list->GetSize(); i++) {
- std::string item;
- if (!list->GetString(i, &item))
- return false;
- result->push_back(item);
- }
- return true;
-}
-
-ListValue* CreateListFromStrings(const vector<string>& strings) {
- ListValue* new_list = new ListValue;
- for (vector<string>::const_iterator iter = strings.begin();
- iter != strings.end(); ++iter) {
- new_list->Append(new StringValue(*iter));
- }
- return new_list;
-}
-
-// Functor to filter out non-matching issuers.
-class IssuerFilter {
- public:
- explicit IssuerFilter(const IssuerSubjectPattern& issuer)
- : issuer_(issuer) {}
- bool operator()(const scoped_refptr<net::X509Certificate>& cert) const {
- return !issuer_.Matches(cert.get()->issuer());
- }
- private:
- const IssuerSubjectPattern& issuer_;
-};
-
-// Functor to filter out non-matching subjects.
-class SubjectFilter {
- public:
- explicit SubjectFilter(const IssuerSubjectPattern& subject)
- : subject_(subject) {}
- bool operator()(const scoped_refptr<net::X509Certificate>& cert) const {
- return !subject_.Matches(cert.get()->subject());
- }
- private:
- const IssuerSubjectPattern& subject_;
-};
-
-// Functor to filter out certs that don't have private keys, or are invalid.
-class PrivateKeyFilter {
- public:
- explicit PrivateKeyFilter(net::CertDatabase* cert_db) : cert_db_(cert_db) {}
- bool operator()(const scoped_refptr<net::X509Certificate>& cert) const {
- return cert_db_->CheckUserCert(cert.get()) != net::OK;
- }
- private:
- net::CertDatabase* cert_db_;
-};
-
-// Functor to filter out certs that don't have an issuer in the associated
-// IssuerCARef list.
-class IssuerCaRefFilter {
- public:
- explicit IssuerCaRefFilter(const vector<string>& issuer_ca_ref_list)
- : issuer_ca_ref_list_(issuer_ca_ref_list) {}
- bool operator()(const scoped_refptr<net::X509Certificate>& cert) const {
- // Find the certificate issuer for each certificate.
- // TODO(gspencer): this functionality should be available from
- // X509Certificate or NSSCertDatabase.
- CERTCertificate* issuer_cert = CERT_FindCertIssuer(
- cert.get()->os_cert_handle(), PR_Now(), certUsageAnyCA);
-
- if (issuer_cert && issuer_cert->nickname) {
- // Separate the nickname stored in the certificate at the colon, since
- // NSS likes to store it as token:nickname.
- const char* delimiter = ::strchr(issuer_cert->nickname, ':');
- if (delimiter) {
- delimiter++; // move past the colon.
- vector<string>::const_iterator pat_iter = issuer_ca_ref_list_.begin();
- while (pat_iter != issuer_ca_ref_list_.end()) {
- if (::strcmp(delimiter, pat_iter->c_str()) == 0)
- return false;
- ++pat_iter;
- }
- }
- }
- return true;
- }
- private:
- const vector<string>& issuer_ca_ref_list_;
-};
-
-} // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// IssuerSubjectPattern
-IssuerSubjectPattern::IssuerSubjectPattern(const std::string& common_name,
- const std::string& locality,
- const std::string& organization,
- const std::string& organizational_unit)
- : common_name_(common_name),
- locality_(locality),
- organization_(organization),
- organizational_unit_(organizational_unit) { }
-
-IssuerSubjectPattern::IssuerSubjectPattern() {}
-
-IssuerSubjectPattern::~IssuerSubjectPattern() {}
-
-bool IssuerSubjectPattern::Matches(const net::CertPrincipal& principal) const {
- if (!common_name_.empty() && common_name_ != principal.common_name)
- return false;
-
- if (!locality_.empty() && locality_ != principal.locality_name)
- return false;
-
- if (!organization_.empty()) {
- if (find(principal.organization_names.begin(),
- principal.organization_names.end(), organization_) ==
- principal.organization_names.end()) {
- return false;
- }
- }
-
- if (!organizational_unit_.empty()) {
- if (find(principal.organization_unit_names.begin(),
- principal.organization_unit_names.end(),
- organizational_unit_) == principal.organization_unit_names.end()) {
- return false;
- }
- }
-
- return true;
-}
-
-bool IssuerSubjectPattern::Empty() const {
- return common_name_.empty() &&
- locality_.empty() &&
- organization_.empty() &&
- organizational_unit_.empty();
-}
-
-void IssuerSubjectPattern::Clear() {
- common_name_.clear();
- locality_.clear();
- organization_.clear();
- organizational_unit_.clear();
-}
-
-DictionaryValue* IssuerSubjectPattern::CreateAsDictionary() const {
- DictionaryValue* dict = new DictionaryValue;
- if (!common_name_.empty())
- dict->SetString(kCommonNameKey, common_name_);
- if (!locality_.empty())
- dict->SetString(kLocalityKey, locality_);
- if (!organization_.empty())
- dict->SetString(kOrganizationKey, organization_);
- if (!organizational_unit_.empty())
- dict->SetString(kOrganizationalUnitKey, organizational_unit_);
- return dict;
-}
-
-bool IssuerSubjectPattern::CopyFromDictionary(const DictionaryValue& dict) {
- Clear();
- dict.GetString(kCommonNameKey, &common_name_);
- dict.GetString(kLocalityKey, &locality_);
- dict.GetString(kOrganizationKey, &organization_);
- dict.GetString(kOrganizationalUnitKey, &organizational_unit_);
- // If the dictionary wasn't empty, but we are, or vice versa, then something
- // went wrong.
- DCHECK(dict.empty() == Empty());
- if (dict.empty() != Empty())
- return false;
- return true;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// CertificatePattern
-
-CertificatePattern::CertificatePattern() {}
-
-CertificatePattern::~CertificatePattern() {}
-
-bool CertificatePattern::Empty() const {
- return issuer_ca_ref_list_.empty() &&
- issuer_.Empty() &&
- subject_.Empty();
-}
-
-void CertificatePattern::Clear() {
- issuer_ca_ref_list_.clear();
- issuer_.Clear();
- subject_.Clear();
- enrollment_uri_list_.clear();
-}
-
-scoped_refptr<net::X509Certificate> CertificatePattern::GetMatch() const {
- typedef list<scoped_refptr<net::X509Certificate> > CertificateStlList;
-
- // Start with all the certs, and narrow it down from there.
- net::CertificateList all_certs;
- CertificateStlList matching_certs;
- net::NSSCertDatabase::GetInstance()->ListCerts(&all_certs);
-
- if (all_certs.empty())
- return NULL;
-
- for (net::CertificateList::iterator iter = all_certs.begin();
- iter != all_certs.end(); ++iter) {
- matching_certs.push_back(*iter);
- }
-
- // Strip off any certs that don't have the right issuer and/or subject.
- if (!issuer_.Empty()) {
- matching_certs.remove_if(IssuerFilter(issuer_));
- if (matching_certs.empty())
- return NULL;
- }
-
- if (!subject_.Empty()) {
- matching_certs.remove_if(SubjectFilter(subject_));
- if (matching_certs.empty())
- return NULL;
- }
-
- if (!issuer_ca_ref_list_.empty()) {
- matching_certs.remove_if(IssuerCaRefFilter(issuer_ca_ref_list_));
- if (matching_certs.empty())
- return NULL;
- }
-
- // Eliminate any certs that don't have private keys associated with
- // them. The CheckUserCert call in the filter is a little slow (because of
- // underlying PKCS11 calls), so we do this last to reduce the number of times
- // we have to call it.
- PrivateKeyFilter private_filter(net::CertDatabase::GetInstance());
- matching_certs.remove_if(private_filter);
-
- if (matching_certs.empty())
- return NULL;
-
- // We now have a list of certificates that match the pattern we're
- // looking for. Now we find the one with the latest start date.
- scoped_refptr<net::X509Certificate> latest(NULL);
-
- // Iterate over the rest looking for the one that was issued latest.
- for (CertificateStlList::iterator iter = matching_certs.begin();
- iter != matching_certs.end(); ++iter) {
- if (!latest.get() || (*iter)->valid_start() > latest->valid_start())
- latest = *iter;
- }
-
- return latest;
-}
-
-DictionaryValue* CertificatePattern::CreateAsDictionary() const {
- DictionaryValue* dict = new base::DictionaryValue;
-
- if (!issuer_ca_ref_list_.empty())
- dict->Set(kIssuerCaRefKey, CreateListFromStrings(issuer_ca_ref_list_));
-
- if (!issuer_.Empty())
- dict->Set(kIssuerKey, issuer_.CreateAsDictionary());
-
- if (!subject_.Empty())
- dict->Set(kSubjectKey, subject_.CreateAsDictionary());
-
- if (!enrollment_uri_list_.empty())
- dict->Set(kEnrollmentUriKey, CreateListFromStrings(enrollment_uri_list_));
- return dict;
-}
-
-bool CertificatePattern::CopyFromDictionary(const DictionaryValue &dict) {
- const DictionaryValue* child_dict = NULL;
- const ListValue* child_list = NULL;
- Clear();
-
- // All of these are optional.
- if (dict.GetList(kIssuerCaRefKey, &child_list) && child_list) {
- if (!GetAsListOfStrings(*child_list, &issuer_ca_ref_list_))
- return false;
- }
- if (dict.GetDictionary(kIssuerKey, &child_dict) && child_dict) {
- if (!issuer_.CopyFromDictionary(*child_dict))
- return false;
- }
- child_dict = NULL;
- if (dict.GetDictionary(kSubjectKey, &child_dict) && child_dict) {
- if (!subject_.CopyFromDictionary(*child_dict))
- return false;
- }
- child_list = NULL;
- if (dict.GetList(kEnrollmentUriKey, &child_list) && child_list) {
- if (!GetAsListOfStrings(*child_list, &enrollment_uri_list_))
- return false;
- }
-
- // If we didn't copy anything from the dictionary, then it had better be
- // empty.
- DCHECK(dict.empty() == Empty());
- if (dict.empty() != Empty())
- return false;
-
- return true;
-}
-
-} // namespace chromeos
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