yeet

node_modules/expo-file-system/ios/EXFileSystem/EXFileSystemAssetLibraryHandler.m

@@ -0,0 +1,114 @@
+
+#import <EXFileSystem/EXFileSystemAssetLibraryHandler.h>
+
+#import <Photos/Photos.h>
+
+@implementation EXFileSystemAssetLibraryHandler
+
++ (void)getInfoForFile:(NSURL *)fileUri
+           withOptions:(NSDictionary *)options
+              resolver:(UMPromiseResolveBlock)resolve
+              rejecter:(UMPromiseRejectBlock)reject
+{
+  NSError *error;
+  PHFetchResult<PHAsset *> *fetchResult = [self fetchResultForUri:fileUri error:&error];
+  if (error) {
+    reject(@"E_UNSUPPORTED_ARG", error.description, error);
+    return;
+  }
+  if (fetchResult.count > 0) {
+    PHAsset *asset = fetchResult[0];
+    NSMutableDictionary *result = [NSMutableDictionary dictionary];
+    result[@"exists"] = @(YES);
+    result[@"isDirectory"] = @(NO);
+    result[@"uri"] = fileUri;
+    result[@"modificationTime"] = @(asset.modificationDate.timeIntervalSince1970);
+    if (options[@"md5"] || options[@"size"]) {
+      [[PHImageManager defaultManager] requestImageDataForAsset:asset options:nil resultHandler:^(NSData * _Nullable imageData, NSString * _Nullable dataUTI, UIImageOrientation orientation, NSDictionary * _Nullable info) {
+        result[@"size"] = @(imageData.length);
+        if (options[@"md5"]) {
+          result[@"md5"] = [imageData md5String];
+        }
+        resolve(result);
+      }];
+    } else {
+      resolve(result);
+    }
+  } else {
+    resolve(@{@"exists": @(NO), @"isDirectory": @(NO)});
+  }
+}
+
++ (void)copyFrom:(NSURL *)from
+              to:(NSURL *)to
+        resolver:(UMPromiseResolveBlock)resolve
+        rejecter:(UMPromiseRejectBlock)reject
+{
+  NSString *toPath = [to.path stringByStandardizingPath];
+  
+  // NOTE: The destination-delete and the copy should happen atomically, but we hope for the best for now
+  NSError *error;
+  if ([[NSFileManager defaultManager] fileExistsAtPath:toPath]) {
+    if (![[NSFileManager defaultManager] removeItemAtPath:toPath error:&error]) {
+      reject(@"E_FILE_NOT_COPIED",
+             [NSString stringWithFormat:@"File '%@' could not be copied to '%@' because a file already exists at "
+              "the destination and could not be deleted.", from, to],
+             error);
+      return;
+    }
+  }
+
+  PHFetchResult<PHAsset *> *fetchResult = [self fetchResultForUri:from error:&error];
+  if (error) {
+    reject(@"E_UNSUPPORTED_ARG", error.description, error);
+    return;
+  }
+
+  if (fetchResult.count > 0) {
+    PHAsset *asset = fetchResult[0];
+    [[PHImageManager defaultManager] requestImageDataForAsset:asset options:nil resultHandler:^(NSData * _Nullable imageData, NSString * _Nullable dataUTI, UIImageOrientation orientation, NSDictionary * _Nullable info) {
+      if ([imageData writeToFile:toPath atomically:YES]) {
+        resolve(nil);
+      } else {
+        reject(@"E_FILE_NOT_COPIED",
+               [NSString stringWithFormat:@"File '%@' could not be copied to '%@'.", from, to],
+               error);
+      }
+    }];
+  } else {
+    reject(@"E_FILE_NOT_COPIED",
+           [NSString stringWithFormat:@"File '%@' could not be found.", from],
+           error);
+  }
+}
+
+// adapted from RCTImageLoader.m
++ (PHFetchResult<PHAsset *> *)fetchResultForUri:(NSURL *)url error:(NSError **)error
+{
+  if ([url.scheme caseInsensitiveCompare:@"ph"] == NSOrderedSame) {
+    // Fetch assets using PHAsset localIdentifier (recommended)
+    NSString *const localIdentifier = [url.absoluteString substringFromIndex:@"ph://".length];
+    return [PHAsset fetchAssetsWithLocalIdentifiers:@[localIdentifier] options:nil];
+  } else if ([url.scheme caseInsensitiveCompare:@"assets-library"] == NSOrderedSame) {
+#if TARGET_OS_MACCATALYST
+    static BOOL hasWarned = NO;
+    if (!hasWarned) {
+      NSLog(@"assets-library:// URLs have been deprecated and cannot be accessed in macOS Catalyst. Returning nil (future warnings will be suppressed).");
+      hasWarned = YES;
+    }
+    return nil;
+#else
+    // This is the older, deprecated way of fetching assets from assets-library
+    // using the "assets-library://" protocol
+    return [PHAsset fetchAssetsWithALAssetURLs:@[url] options:nil];
+#endif
+  }
+
+  NSString *description = [NSString stringWithFormat:@"Invalid URL provided, expected scheme to be either 'ph' or 'assets-library', was '%@'.", url.scheme];
+  *error = [[NSError alloc] initWithDomain:NSURLErrorDomain
+                                      code:NSURLErrorUnsupportedURL
+                                  userInfo:@{NSLocalizedDescriptionKey: description}];
+  return nil;
+}
+
+@end