69 lines
2.2 KiB
Objective-C
69 lines
2.2 KiB
Objective-C
// Copyright 2015-present 650 Industries. All rights reserved.
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#import <EXFileSystem/EXFilePermissionModule.h>
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#import <UMFileSystemInterface/UMFileSystemInterface.h>
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@interface EXFilePermissionModule ()
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@property (nonatomic, weak) UMModuleRegistry *moduleRegistry;
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@end
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@implementation EXFilePermissionModule
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UM_REGISTER_MODULE();
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+ (const NSArray<Protocol *> *)exportedInterfaces
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{
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return @[@protocol(UMFilePermissionModuleInterface)];
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}
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- (UMFileSystemPermissionFlags)getPathPermissions:(NSString *)path
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{
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UMFileSystemPermissionFlags permissionsForInternalDirectories = [self getInternalPathPermissions:path];
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if (permissionsForInternalDirectories != UMFileSystemPermissionNone) {
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return permissionsForInternalDirectories;
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} else {
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return [self getExternalPathPermissions:path];
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}
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}
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- (UMFileSystemPermissionFlags)getInternalPathPermissions:(NSString *)path
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{
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id<UMFileSystemInterface> fileSystem = [_moduleRegistry getModuleImplementingProtocol:@protocol(UMFileSystemInterface)];
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NSArray<NSString *> *scopedDirs = @[fileSystem.cachesDirectory, fileSystem.documentDirectory];
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NSString *standardizedPath = [path stringByStandardizingPath];
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for (NSString *scopedDirectory in scopedDirs) {
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if ([standardizedPath hasPrefix:[scopedDirectory stringByAppendingString:@"/"]] ||
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[standardizedPath isEqualToString:scopedDirectory]) {
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return UMFileSystemPermissionRead | UMFileSystemPermissionWrite;
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}
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}
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NSString *bundleDirectory = fileSystem.bundleDirectory;
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if (bundleDirectory != nil && [path hasPrefix:[bundleDirectory stringByAppendingString:@"/"]]) {
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return UMFileSystemPermissionRead;
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}
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return UMFileSystemPermissionNone;
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}
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- (UMFileSystemPermissionFlags)getExternalPathPermissions:(NSString *)path
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{
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UMFileSystemPermissionFlags filePermissions = UMFileSystemPermissionNone;
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if ([[NSFileManager defaultManager] isReadableFileAtPath:path]) {
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filePermissions |= UMFileSystemPermissionRead;
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}
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if ([[NSFileManager defaultManager] isWritableFileAtPath:path]) {
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filePermissions |= UMFileSystemPermissionWrite;
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}
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return filePermissions;
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}
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- (void)setModuleRegistry:(UMModuleRegistry *)moduleRegistry {
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_moduleRegistry = moduleRegistry;
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}
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@end
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