net: extract net/cert out of net/base

net/base/x509_util_openssl.cc

Index: net/base/x509_util_openssl.cc
diff --git a/net/base/x509_util_openssl.cc b/net/base/x509_util_openssl.cc
deleted file mode 100644
index 142bf779904687bbf5418e8020a9d841afaad93a..0000000000000000000000000000000000000000
--- a/net/base/x509_util_openssl.cc
+++ /dev/null
@@ -1,119 +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 "net/base/x509_util.h"
-#include "net/base/x509_util_openssl.h"
-
-#include <algorithm>
-
-#include "base/logging.h"
-#include "base/string_piece.h"
-#include "net/base/x509_cert_types.h"
-
-namespace net {
-
-namespace x509_util {
-
-bool IsSupportedValidityRange(base::Time not_valid_before,
-                              base::Time not_valid_after) {
-  if (not_valid_before > not_valid_after)
-    return false;
-
-  // The validity field of a certificate can only encode years 1-9999.
-
-  // Compute the base::Time values corresponding to Jan 1st,0001 and
-  // Jan 1st, 10000 respectively. Done by using the pre-computed numbers
-  // of days between these dates and the Unix epoch, i.e. Jan 1st, 1970,
-  // using the following Python script:
-  //
-  //     from datetime import date as D
-  //     print (D(1970,1,1)-D(1,1,1))        # -> 719162 days
-  //     print (D(9999,12,31)-D(1970,1,1))   # -> 2932896 days
-  //
-  // Note: This ignores leap seconds, but should be enough in practice.
-  //
-  const int64 kDaysFromYear0001ToUnixEpoch = 719162;
-  const int64 kDaysFromUnixEpochToYear10000 = 2932896 + 1;
-  const base::Time kEpoch = base::Time::UnixEpoch();
-  const base::Time kYear0001 = kEpoch -
-      base::TimeDelta::FromDays(kDaysFromYear0001ToUnixEpoch);
-  const base::Time kYear10000 = kEpoch +
-      base::TimeDelta::FromDays(kDaysFromUnixEpochToYear10000);
-
-  if (not_valid_before < kYear0001 || not_valid_before >= kYear10000 ||
-      not_valid_after < kYear0001 || not_valid_after >= kYear10000)
-    return false;
-
-  return true;
-}
-
-bool CreateDomainBoundCertEC(
-    crypto::ECPrivateKey* key,
-    const std::string& domain,
-    uint32 serial_number,
-    base::Time not_valid_before,
-    base::Time not_valid_after,
-    std::string* der_cert) {
-  NOTIMPLEMENTED();
-  return false;
-}
-
-bool ParsePrincipalKeyAndValueByIndex(X509_NAME* name,
-                                      int index,
-                                      std::string* key,
-                                      std::string* value) {
-  X509_NAME_ENTRY* entry = X509_NAME_get_entry(name, index);
-  if (!entry)
-    return false;
-
-  if (key) {
-    ASN1_OBJECT* object = X509_NAME_ENTRY_get_object(entry);
-    key->assign(OBJ_nid2sn(OBJ_obj2nid(object)));
-  }
-
-  ASN1_STRING* data = X509_NAME_ENTRY_get_data(entry);
-  if (!data)
-    return false;
-
-  unsigned char* buf = NULL;
-  int len = ASN1_STRING_to_UTF8(&buf, data);
-  if (len <= 0)
-    return false;
-
-  value->assign(reinterpret_cast<const char*>(buf), len);
-  OPENSSL_free(buf);
-  return true;
-}
-
-bool ParsePrincipalValueByIndex(X509_NAME* name,
-                                int index,
-                                std::string* value) {
-  return ParsePrincipalKeyAndValueByIndex(name, index, NULL, value);
-}
-
-bool ParsePrincipalValueByNID(X509_NAME* name, int nid, std::string* value) {
-  int index = X509_NAME_get_index_by_NID(name, nid, -1);
-  if (index < 0)
-    return false;
-
-  return ParsePrincipalValueByIndex(name, index, value);
-}
-
-bool ParseDate(ASN1_TIME* x509_time, base::Time* time) {
-  if (!x509_time ||
-      (x509_time->type != V_ASN1_UTCTIME &&
-       x509_time->type != V_ASN1_GENERALIZEDTIME))
-    return false;
-
-  base::StringPiece str_date(reinterpret_cast<const char*>(x509_time->data),
-                             x509_time->length);
-
-  CertDateFormat format = x509_time->type == V_ASN1_UTCTIME ?
-      CERT_DATE_FORMAT_UTC_TIME : CERT_DATE_FORMAT_GENERALIZED_TIME;
-  return ParseCertificateDate(str_date, format, time);
-}
-
-}  // namespace x509_util
-
-}  // namespace net