src/cpp/common/secure_auth_context.cc

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#include "src/cpp/common/secure_auth_context.h"

#include <grpc/grpc_security.h>

namespace grpc {

SecureAuthContext::SecureAuthContext(grpc_auth_context* ctx) : ctx_(ctx) {}

SecureAuthContext::~SecureAuthContext() { grpc_auth_context_release(ctx_); }

std::vector<grpc::string> SecureAuthContext::GetPeerIdentity() const {
  if (!ctx_) {
    return std::vector<grpc::string>();
  }
  grpc_auth_property_iterator iter = grpc_auth_context_peer_identity(ctx_);
  std::vector<grpc::string> identity;
  const grpc_auth_property* property = nullptr;
  while ((property = grpc_auth_property_iterator_next(&iter))) {
    identity.push_back(grpc::string(property->value, property->value_length));
  }
  return identity;
}

grpc::string SecureAuthContext::GetPeerIdentityPropertyName() const {
  if (!ctx_) {
    return "";
  }
  const char* name = grpc_auth_context_peer_identity_property_name(ctx_);
  return name == nullptr ? "" : name;
}

std::vector<grpc::string> SecureAuthContext::FindPropertyValues(
    const grpc::string& name) const {
  if (!ctx_) {
    return std::vector<grpc::string>();
  }
  grpc_auth_property_iterator iter =
      grpc_auth_context_find_properties_by_name(ctx_, name.c_str());
  const grpc_auth_property* property = nullptr;
  std::vector<grpc::string> values;
  while ((property = grpc_auth_property_iterator_next(&iter))) {
    values.push_back(grpc::string(property->value, property->value_length));
  }
  return values;
}

AuthContext::PropertyIterator::PropertyIterator()
    : property_(nullptr), ctx_(nullptr), index_(0), name_(nullptr) {}

AuthContext::PropertyIterator::PropertyIterator(
    const grpc_auth_property* property, const grpc_auth_property_iterator* iter)
    : property_(property),
      ctx_(iter->ctx),
      index_(iter->index),
      name_(iter->name) {}

AuthContext::PropertyIterator::~PropertyIterator() {}

AuthContext::PropertyIterator& AuthContext::PropertyIterator::operator++() {
  grpc_auth_property_iterator iter = {ctx_, index_, name_};
  property_ = grpc_auth_property_iterator_next(&iter);
  ctx_ = iter.ctx;
  index_ = iter.index;
  name_ = iter.name;
  return *this;
}

AuthContext::PropertyIterator AuthContext::PropertyIterator::operator++(int) {
  PropertyIterator tmp(*this);
  operator++();
  return tmp;
}

bool AuthContext::PropertyIterator::operator==(
    const AuthContext::PropertyIterator& rhs) const {
  if (property_ == nullptr || rhs.property_ == nullptr) {
    return property_ == rhs.property_;
  } else {
    return index_ == rhs.index_;
  }
}

bool AuthContext::PropertyIterator::operator!=(
    const AuthContext::PropertyIterator& rhs) const {
  return !operator==(rhs);
}

const AuthContext::Property AuthContext::PropertyIterator::operator*() {
  return std::make_pair<grpc::string, grpc::string>(
      grpc::string(property_->name),
      grpc::string(property_->value, property_->value_length));
}

AuthContext::PropertyIterator SecureAuthContext::begin() const {
  if (ctx_) {
    grpc_auth_property_iterator iter =
        grpc_auth_context_property_iterator(ctx_);
    const grpc_auth_property* property =
        grpc_auth_property_iterator_next(&iter);
    return AuthContext::PropertyIterator(property, &iter);
  } else {
    return end();
  }
}

AuthContext::PropertyIterator SecureAuthContext::end() const {
  return AuthContext::PropertyIterator();
}

}  // namespace grpc