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/*
* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
* Copyright (C) 2013 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_RESOURCE_ERROR_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_RESOURCE_ERROR_H_
#include <iosfwd>
#include <optional>
#include "net/dns/public/resolve_error_info.h"
#include "services/network/public/cpp/cors/cors_error_status.h"
#include "services/network/public/mojom/blocked_by_response_reason.mojom-blink.h"
#include "services/network/public/mojom/trust_tokens.mojom-blink.h"
#include "third_party/blink/renderer/platform/platform_export.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
namespace blink {
struct WebURLError;
enum class ResourceRequestBlockedReason;
// ResourceError represents an error for loading a resource. There is no
// "no-error" instance. Use Optional for nullable errors.
class PLATFORM_EXPORT ResourceError final {
DISALLOW_NEW();
public:
static ResourceError CancelledError(const KURL&);
static ResourceError CancelledDueToAccessCheckError(
const KURL&,
ResourceRequestBlockedReason);
static ResourceError CancelledDueToAccessCheckError(
const KURL&,
ResourceRequestBlockedReason,
const String& localized_description);
static ResourceError BlockedByResponse(
const KURL&,
network::mojom::BlockedByResponseReason);
static ResourceError CacheMissError(const KURL&);
static ResourceError TimeoutError(const KURL&);
static ResourceError Failure(const KURL&);
static ResourceError HttpError(const KURL&);
ResourceError() = delete;
// |error_code| must not be 0.
ResourceError(int error_code,
const KURL& failing_url,
std::optional<network::CorsErrorStatus>);
ResourceError(const KURL& failing_url,
const network::CorsErrorStatus& status);
explicit ResourceError(const WebURLError&);
int ErrorCode() const { return error_code_; }
const String& FailingURL() const { return failing_url_; }
const String& LocalizedDescription() const { return localized_description_; }
bool IsCancellation() const;
bool IsTrustTokenCacheHit() const;
// Returns true if the error was the outcome of a Trust Tokens operation and
// the error does *not* represent an actionable failure:
// - If the error was due to a Trust Tokens cache hit, the purpose of this
// request was to update some state in the network stack (with a response from
// the server), but that this state was already present, so there was no need
// to send the request.
// - If the error was due to Trust Tokens unavailability---perhaps because the
// user has disabled the feature---then all Trust Tokens operations will fail
// even when everything is working as intended from the developer's
// perspective, so a console message isn't actionable.
bool IsUnactionableTrustTokensStatus() const;
bool IsAccessCheck() const { return is_access_check_; }
bool HasCopyInCache() const { return has_copy_in_cache_; }
bool IsTimeout() const;
bool IsCacheMiss() const;
bool WasBlockedByResponse() const;
bool WasBlockedByORB() const;
bool ShouldCollapseInitiator() const { return should_collapse_inititator_; }
bool IsCancelledFromHttpError() const {
return is_cancelled_from_http_error_;
}
std::optional<ResourceRequestBlockedReason> GetResourceRequestBlockedReason()
const;
std::optional<network::mojom::BlockedByResponseReason>
GetBlockedByResponseReason() const;
std::optional<network::CorsErrorStatus> CorsErrorStatus() const {
return cors_error_status_;
}
network::mojom::blink::TrustTokenOperationStatus TrustTokenOperationError()
const {
return trust_token_operation_error_;
}
explicit operator WebURLError() const;
static bool Compare(const ResourceError&, const ResourceError&);
private:
void InitializeDescription();
int error_code_;
int extended_error_code_ = 0;
net::ResolveErrorInfo resolve_error_info_;
KURL failing_url_;
String localized_description_;
bool is_access_check_ = false;
bool has_copy_in_cache_ = false;
std::optional<network::CorsErrorStatus> cors_error_status_;
bool should_collapse_inititator_ = false;
bool is_cancelled_from_http_error_ = false;
std::optional<network::mojom::BlockedByResponseReason>
blocked_by_response_reason_;
// Refer to the member comment in WebURLError.
network::mojom::blink::TrustTokenOperationStatus
trust_token_operation_error_ =
network::mojom::blink::TrustTokenOperationStatus::kOk;
};
inline bool operator==(const ResourceError& a, const ResourceError& b) {
return ResourceError::Compare(a, b);
}
inline bool operator!=(const ResourceError& a, const ResourceError& b) {
return !(a == b);
}
PLATFORM_EXPORT std::ostream& operator<<(std::ostream&, const ResourceError&);
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_LOADER_FETCH_RESOURCE_ERROR_H_
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