// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#import "ios/chrome/browser/shared/model/url/url_util.h"
#import <UIKit/UIKit.h>
#import "base/apple/bundle_locations.h"
#import "base/apple/foundation_util.h"
#import "base/check_op.h"
#import "base/strings/string_util.h"
#import "base/strings/sys_string_conversions.h"
#import "components/content_settings/core/browser/host_content_settings_map.h"
#import "ios/chrome/browser/content_settings/model/host_content_settings_map_factory.h"
#import "ios/chrome/browser/shared/model/url/chrome_url_constants.h"
#import "ios/components/webui/web_ui_url_constants.h"
#import "ios/net/url_scheme_util.h"
#import "url/gurl.h"
#import "url/url_constants.h"
bool UrlIsExternalFileReference(const GURL& url) {
return url.SchemeIs(kChromeUIScheme) &&
base::EqualsCaseInsensitiveASCII(url.host(),
kChromeUIExternalFileHost);
}
bool UrlIsDownloadedFile(const GURL& url) {
return url.SchemeIs(kChromeUIScheme) &&
base::EqualsCaseInsensitiveASCII(url.host(), kChromeUIDownloadsHost);
}
bool UrlHasChromeScheme(const GURL& url) {
return url.SchemeIs(kChromeUIScheme);
}
bool UrlHasChromeScheme(NSURL* url) {
return net::UrlSchemeIs(url, base::SysUTF8ToNSString(kChromeUIScheme));
}
bool IsUrlNtp(const GURL& url) {
// Check for "chrome://newtab".
if (url.SchemeIs(kChromeUIScheme)) {
return url.host_piece() == kChromeUINewTabHost;
}
// Check for "about://newtab/". Since "about:" scheme is not standardised,
// check the full path.
if (url.SchemeIs(url::kAboutScheme)) {
return url == kChromeUIAboutNewTabURL;
}
return false;
}
bool IsHandledProtocol(const std::string& scheme) {
DCHECK_EQ(scheme, base::ToLowerASCII(scheme));
return (scheme == url::kHttpScheme || scheme == url::kHttpsScheme ||
scheme == url::kAboutScheme || scheme == url::kDataScheme ||
scheme == kChromeUIScheme || SchemeIsAppStoreScheme(scheme));
}
bool ShouldLoadUrlInDesktopMode(const GURL& url,
HostContentSettingsMap* settings_map) {
ContentSetting setting = settings_map->GetContentSetting(
url, url, ContentSettingsType::REQUEST_DESKTOP_SITE);
return setting == CONTENT_SETTING_ALLOW;
}
@implementation ChromeAppConstants {
NSString* _callbackScheme;
NSArray* _schemes;
}
+ (ChromeAppConstants*)sharedInstance {
static ChromeAppConstants* g_instance = [[ChromeAppConstants alloc] init];
return g_instance;
}
- (NSString*)bundleURLScheme {
if (!_callbackScheme) {
NSSet* allowableSchemes =
[NSSet setWithObjects:@"googlechrome", @"chromium",
@"ios-chrome-unittests.http", nil];
NSArray* schemes = [self allBundleURLSchemes];
for (NSString* scheme in schemes) {
if ([allowableSchemes containsObject:scheme]) {
_callbackScheme = [scheme copy];
}
}
}
DCHECK([_callbackScheme length]);
return _callbackScheme;
}
- (NSArray*)allBundleURLSchemes {
if (!_schemes) {
NSDictionary* info = [base::apple::FrameworkBundle() infoDictionary];
NSArray* urlTypes = [info objectForKey:@"CFBundleURLTypes"];
NSMutableArray* schemes = [[NSMutableArray alloc] init];
for (NSDictionary* urlType in urlTypes) {
DCHECK([urlType isKindOfClass:[NSDictionary class]]);
NSArray* schemesForType =
base::apple::ObjCCastStrict<NSArray>(urlType[@"CFBundleURLSchemes"]);
if (schemesForType.count) {
[schemes addObjectsFromArray:schemesForType];
}
}
_schemes = [schemes copy];
}
return _schemes;
}
- (void)setCallbackSchemeForTesting:(NSString*)scheme {
_callbackScheme = [scheme copy];
}
NSSet<NSString*>* GetItmsSchemes() {
static NSSet<NSString*>* schemes;
static dispatch_once_t once;
dispatch_once(&once, ^{
schemes = [NSSet<NSString*>
setWithObjects:@"itms", @"itmss", @"itms-apps", @"itms-appss",
// There's no evidence that itms-bookss is actually
// supported, but over-inclusion costs less than
// under-inclusion.
@"itms-books", @"itms-bookss", nil];
});
return schemes;
}
bool UrlHasAppStoreScheme(const GURL& url) {
return SchemeIsAppStoreScheme(url.scheme());
}
bool SchemeIsAppStoreScheme(const std::string& scheme) {
return [GetItmsSchemes() containsObject:base::SysUTF8ToNSString(scheme)];
}
@end