net/spdy/spdy_credential_state.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "net/spdy/spdy_credential_state.h"
   6
   7 #include "base/logging.h"
   8 #include "base/strings/string_util.h"
   9 #include "net/ssl/server_bound_cert_service.h"
  10
  11 namespace net {
  12
  13 namespace {
  14
  15 GURL GetCanonicalOrigin(const GURL& url) {
  16   std::string domain =
  17       ServerBoundCertService::GetDomainForHost(url.host());
  18   DCHECK(!domain.empty());
  19   if (domain == url.host())
  20     return url.GetOrigin();
  21   return GURL(url.scheme() + "://" + domain + ":" + url.port());
  22 }
  23
  24 }  // namespace
  25
  26 const size_t SpdyCredentialState::kDefaultNumSlots = 8;
  27 const size_t SpdyCredentialState::kNoEntry = 0;
  28
  29 SpdyCredentialState::SpdyCredentialState(size_t num_slots)
  30   : slots_(num_slots),
  31     last_added_(-1) {}
  32
  33 SpdyCredentialState::~SpdyCredentialState() {}
  34
  35 bool SpdyCredentialState::HasCredential(const GURL& origin) const {
  36   return FindCredentialSlot(origin) != kNoEntry;
  37 }
  38
  39 size_t SpdyCredentialState::SetHasCredential(const GURL& origin) {
  40   size_t i = FindCredentialSlot(origin);
  41   if (i != kNoEntry)
  42     return i;
  43   // Add the new entry at the next index following the index of the last
  44   // entry added, or at index 0 if the last added index is the last index.
  45   if (last_added_ + 1 == slots_.size()) {
  46     last_added_ = 0;
  47   } else {
  48     last_added_++;
  49   }
  50   slots_[last_added_] = GetCanonicalOrigin(origin);
  51   return last_added_ + 1;
  52 }
  53
  54 size_t SpdyCredentialState::FindCredentialSlot(const GURL& origin) const {
  55   GURL url = GetCanonicalOrigin(origin);
  56   for (size_t i = 0; i < slots_.size(); i++) {
  57     if (url == slots_[i])
  58       return i + 1;
  59   }
  60   return kNoEntry;
  61 }
  62
  63 void SpdyCredentialState::Resize(size_t size) {
  64   slots_.resize(size);
  65   if (last_added_ >= slots_.size())
  66     last_added_ = slots_.size() - 1;
  67 }
  68
  69 }  // namespace net