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// Copyright 2013 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 "chrome/common/extensions/extension.h"
#include "chrome/common/extensions/permissions/api_permission_set.h"
#include "chrome/common/extensions/permissions/chrome_scheme_hosts.h"
#include "chrome/common/url_constants.h"
#include "extensions/common/url_pattern.h"
#include "extensions/common/url_pattern_set.h"
#include "grit/generated_resources.h"
#include "ui/base/l10n/l10n_util.h"
namespace {
const char kThumbsWhiteListedExtension[] = "khopmbdjffemhegeeobelklnbglcdgfh";
} // namespace
namespace extensions {
PermissionMessages GetChromeSchemePermissionWarnings(
const URLPatternSet& hosts) {
PermissionMessages messages;
for (URLPatternSet::const_iterator i = hosts.begin();
i != hosts.end(); ++i) {
if (i->scheme() != chrome::kChromeUIScheme)
continue;
// chrome://favicon is the only URL for chrome:// scheme that we
// want to support. We want to deprecate the "chrome" scheme.
// We should not add any additional "host" here.
if (GURL(chrome::kChromeUIFaviconURL).host() != i->host())
continue;
messages.push_back(PermissionMessage(
PermissionMessage::kFavicon,
l10n_util::GetStringUTF16(IDS_EXTENSION_PROMPT_WARNING_FAVICON)));
break;
}
return messages;
}
URLPatternSet GetPermittedChromeSchemeHosts(
const Extension* extension,
const APIPermissionSet& api_permissions) {
URLPatternSet hosts;
// Regular extensions are only allowed access to chrome://favicon.
hosts.AddPattern(URLPattern(URLPattern::SCHEME_CHROMEUI,
chrome::kChromeUIFaviconURL));
// Experimental extensions are also allowed chrome://thumb.
//
// TODO: A public API should be created for retrieving thumbnails.
// See http://crbug.com/222856. A temporary hack is implemented here to
// make chrome://thumbs available to NTP Russia extension as
// non-experimental.
if ((api_permissions.find(APIPermission::kExperimental) !=
api_permissions.end()) ||
(extension->id() == kThumbsWhiteListedExtension &&
extension->from_webstore())) {
hosts.AddPattern(URLPattern(URLPattern::SCHEME_CHROMEUI,
chrome::kChromeUIThumbnailURL));
}
return hosts;
}
} // namespace extensions
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