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// Copyright 2015 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.
#ifndef CHROME_BROWSER_SAFE_BROWSING_UNVERIFIED_DOWNLOAD_FIELD_TRIAL_H_
#define CHROME_BROWSER_SAFE_BROWSING_UNVERIFIED_DOWNLOAD_FIELD_TRIAL_H_
namespace base {
class FilePath;
}
namespace safe_browsing {
// Unverified Download Field Trial
//
// It is possible in some circumstances to download a file without invoking
// SafeBrowsing to verify the source URLs or the downloaded contents. Ideally
// all code paths that writes untrusted contents to disk in a user discoverable
// manner would invoke SafeBrowsing. But until all such code paths are properly
// plumbed, this field trial will help control the behavior of known unverified
// code paths.
extern const char kUnverifiedDownloadFieldTrialName[];
// The trial groups are:
//
// * DisableByParameter[*] : Decides the fate of unverified downloads based on
// whether the file type matches a whitelist and a blacklist specified as a
// parameter to this trial group. Any file type that doesn't match either of
// these lists will default to being allowed.
extern const char kUnverifiedDownloadFieldTrialDisableByParameter[];
// The parameters are:
//
// - 'whitelist' : A comma separated list of file types including leading
// extension separator. E.g. ".abc,.def" would match both foo.abc and
// foo.def, but not foo.txt. Any matching file will be allowed to be
// downloaded.
extern const char kUnverifiedDownloadFieldTrialWhitelistParam[];
// - 'blacklist' : Similar in format to 'whitelist' but causes matching file
// types to be disallowed from downloading.
extern const char kUnverifiedDownloadFieldTrialBlacklistParam[];
// - 'block_sb_types' : If non-empty, causes all file types that satisfy
// safe_browsing::IsSupportedBinaryFile() to be blocked.
extern const char kUnverifiedDownloadFieldTrialBlockSBTypesParam[];
// Returns true if |file| is allowed to be downloaded based on the current field
// trial settings.
bool IsUnverifiedDownloadAllowedByFieldTrial(const base::FilePath& file);
} // namespace safe_browsing
#endif // CHROME_BROWSER_SAFE_BROWSING_UNVERIFIED_DOWNLOAD_FIELD_TRIAL_H_
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