330 lines
10 KiB
Dart
330 lines
10 KiB
Dart
import 'dart:io';
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import 'package:flutter/foundation.dart';
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import 'package:logging/logging.dart';
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import 'package:path/path.dart';
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import 'package:photo_manager/photo_manager.dart';
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import 'package:photos/core/configuration.dart';
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import 'package:photos/core/constants.dart';
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import 'package:photos/models/file_type.dart';
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import 'package:photos/models/location/location.dart';
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import "package:photos/models/metadata/file_magic.dart";
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import 'package:photos/services/feature_flag_service.dart';
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import 'package:photos/utils/date_time_util.dart';
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import 'package:photos/utils/exif_util.dart';
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import 'package:photos/utils/file_uploader_util.dart';
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class EnteFile {
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int? generatedID;
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int? uploadedFileID;
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int? ownerID;
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int? collectionID;
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String? localID;
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String? title;
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String? deviceFolder;
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int? creationTime;
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int? modificationTime;
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int? updationTime;
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int? addedTime;
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Location? location;
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late FileType fileType;
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int? fileSubType;
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int? duration;
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String? exif;
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String? hash;
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int? metadataVersion;
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String? encryptedKey;
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String? keyDecryptionNonce;
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String? fileDecryptionHeader;
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String? thumbnailDecryptionHeader;
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String? metadataDecryptionHeader;
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int? fileSize;
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String? mMdEncodedJson;
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int mMdVersion = 0;
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MagicMetadata? _mmd;
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MagicMetadata get magicMetadata =>
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_mmd ?? MagicMetadata.fromEncodedJson(mMdEncodedJson ?? '{}');
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set magicMetadata(val) => _mmd = val;
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// public magic metadata is shared if during file/album sharing
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String? pubMmdEncodedJson;
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int pubMmdVersion = 0;
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PubMagicMetadata? _pubMmd;
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PubMagicMetadata? get pubMagicMetadata =>
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_pubMmd ?? PubMagicMetadata.fromEncodedJson(pubMmdEncodedJson ?? '{}');
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set pubMagicMetadata(val) => _pubMmd = val;
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// in Version 1, live photo hash is stored as zip's hash.
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// in V2: LivePhoto hash is stored as imgHash:vidHash
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static const kCurrentMetadataVersion = 2;
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static final _logger = Logger('File');
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EnteFile();
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static Future<EnteFile> fromAsset(String pathName, AssetEntity asset) async {
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final EnteFile file = EnteFile();
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file.localID = asset.id;
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file.title = asset.title;
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file.deviceFolder = pathName;
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file.location =
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Location(latitude: asset.latitude, longitude: asset.longitude);
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file.fileType = fileTypeFromAsset(asset);
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file.creationTime = parseFileCreationTime(file.title, asset);
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file.modificationTime = asset.modifiedDateTime.microsecondsSinceEpoch;
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file.fileSubType = asset.subtype;
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file.metadataVersion = kCurrentMetadataVersion;
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return file;
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}
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static int parseFileCreationTime(String? fileTitle, AssetEntity asset) {
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int creationTime = asset.createDateTime.microsecondsSinceEpoch;
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if (creationTime >= jan011981Time) {
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// assuming that fileSystem is returning correct creationTime.
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// During upload, this might get overridden with exif Creation time
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return creationTime;
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} else {
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if (asset.modifiedDateTime.microsecondsSinceEpoch >= jan011981Time) {
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creationTime = asset.modifiedDateTime.microsecondsSinceEpoch;
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} else {
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creationTime = DateTime.now().toUtc().microsecondsSinceEpoch;
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}
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try {
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final parsedDateTime = parseDateTimeFromFileNameV2(
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basenameWithoutExtension(fileTitle ?? ""),
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);
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if (parsedDateTime != null) {
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creationTime = parsedDateTime.microsecondsSinceEpoch;
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}
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} catch (e) {
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// ignore
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}
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}
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return creationTime;
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}
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Future<AssetEntity?> get getAsset {
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if (localID == null) {
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return Future.value(null);
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}
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return AssetEntity.fromId(localID!);
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}
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void applyMetadata(Map<String, dynamic> metadata) {
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localID = metadata["localID"];
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title = metadata["title"];
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deviceFolder = metadata["deviceFolder"];
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creationTime = metadata["creationTime"] ?? 0;
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modificationTime = metadata["modificationTime"] ?? creationTime;
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final latitude = double.tryParse(metadata["latitude"].toString());
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final longitude = double.tryParse(metadata["longitude"].toString());
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if (latitude == null || longitude == null) {
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location = null;
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} else {
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location = Location(latitude: latitude, longitude: longitude);
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}
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fileType = getFileType(metadata["fileType"] ?? -1);
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fileSubType = metadata["subType"] ?? -1;
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duration = metadata["duration"] ?? 0;
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exif = metadata["exif"];
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hash = metadata["hash"];
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// handle past live photos upload from web client
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if (hash == null &&
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fileType == FileType.livePhoto &&
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metadata.containsKey('imageHash') &&
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metadata.containsKey('videoHash')) {
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// convert to imgHash:vidHash
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hash =
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'${metadata['imageHash']}$kLivePhotoHashSeparator${metadata['videoHash']}';
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}
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metadataVersion = metadata["version"] ?? 0;
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}
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Future<Map<String, dynamic>> getMetadataForUpload(
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MediaUploadData mediaUploadData,
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) async {
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final asset = await getAsset;
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// asset can be null for files shared to app
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if (asset != null) {
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fileSubType = asset.subtype;
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if (fileType == FileType.video) {
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duration = asset.duration;
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}
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}
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bool hasExifTime = false;
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if ((fileType == FileType.image || fileType == FileType.video) &&
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mediaUploadData.sourceFile != null) {
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final exifData = await getExifFromSourceFile(mediaUploadData.sourceFile!);
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if (exifData != null) {
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if (fileType == FileType.image) {
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final exifTime = await getCreationTimeFromEXIF(null, exifData);
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if (exifTime != null) {
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hasExifTime = true;
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creationTime = exifTime.microsecondsSinceEpoch;
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}
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}
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if (Platform.isAndroid) {
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//Fix for missing location data in lower android versions.
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final Location? exifLocation = locationFromExif(exifData);
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if (Location.isValidLocation(exifLocation)) {
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location = exifLocation;
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}
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}
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}
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}
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// Try to get the timestamp from fileName. In case of iOS, file names are
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// generic IMG_XXXX, so only parse it on Android devices
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if (!hasExifTime && Platform.isAndroid && title != null) {
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final timeFromFileName = parseDateTimeFromFileNameV2(title!);
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if (timeFromFileName != null) {
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// only use timeFromFileName if the existing creationTime and
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// timeFromFilename belongs to different date.
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// This is done because many times the fileTimeStamp will only give us
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// the date, not time value but the photo_manager's creation time will
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// contain the time.
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final bool useFileTimeStamp = creationTime == null ||
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!areFromSameDay(
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creationTime!,
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timeFromFileName.microsecondsSinceEpoch,
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);
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if (useFileTimeStamp) {
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creationTime = timeFromFileName.microsecondsSinceEpoch;
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}
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}
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}
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hash = mediaUploadData.hashData?.fileHash;
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return metadata;
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}
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Map<String, dynamic> get metadata {
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final metadata = <String, dynamic>{};
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metadata["localID"] = isSharedMediaToAppSandbox ? null : localID;
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metadata["title"] = title;
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metadata["deviceFolder"] = deviceFolder;
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metadata["creationTime"] = creationTime;
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metadata["modificationTime"] = modificationTime;
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metadata["fileType"] = fileType.index;
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if (location != null &&
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location!.latitude != null &&
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location!.longitude != null) {
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metadata["latitude"] = location!.latitude;
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metadata["longitude"] = location!.longitude;
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}
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if (fileSubType != null) {
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metadata["subType"] = fileSubType;
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}
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if (duration != null) {
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metadata["duration"] = duration;
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}
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if (hash != null) {
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metadata["hash"] = hash;
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}
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if (metadataVersion != null) {
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metadata["version"] = metadataVersion;
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}
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return metadata;
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}
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String get downloadUrl {
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final endpoint = Configuration.instance.getHttpEndpoint();
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if (endpoint != kDefaultProductionEndpoint ||
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FeatureFlagService.instance.disableCFWorker()) {
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return endpoint + "/files/download/" + uploadedFileID.toString();
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} else {
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return "https://files.ente.io/?fileID=" + uploadedFileID.toString();
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}
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}
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String? get caption {
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return pubMagicMetadata?.caption;
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}
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String get thumbnailUrl {
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final endpoint = Configuration.instance.getHttpEndpoint();
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if (endpoint != kDefaultProductionEndpoint ||
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FeatureFlagService.instance.disableCFWorker()) {
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return endpoint + "/files/preview/" + uploadedFileID.toString();
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} else {
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return "https://thumbnails.ente.io/?fileID=" + uploadedFileID.toString();
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}
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}
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String get displayName {
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if (pubMagicMetadata != null && pubMagicMetadata!.editedName != null) {
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return pubMagicMetadata!.editedName!;
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}
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if (title == null && kDebugMode) _logger.severe('File title is null');
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return title ?? '';
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}
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// return 0 if the height is not available
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int get height {
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return pubMagicMetadata?.h ?? 0;
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}
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int get width {
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return pubMagicMetadata?.w ?? 0;
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}
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// returns true if the file isn't available in the user's gallery
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bool get isRemoteFile {
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return localID == null && uploadedFileID != null;
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}
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bool get isUploaded {
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return uploadedFileID != null;
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}
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bool get isSharedMediaToAppSandbox {
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return localID != null &&
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(localID!.startsWith(oldSharedMediaIdentifier) ||
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localID!.startsWith(sharedMediaIdentifier));
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}
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bool get hasLocation {
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return location != null &&
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((location!.longitude ?? 0) != 0 || (location!.latitude ?? 0) != 0);
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}
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@override
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String toString() {
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return '''File(generatedID: $generatedID, localID: $localID, title: $title,
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uploadedFileId: $uploadedFileID, modificationTime: $modificationTime,
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ownerID: $ownerID, collectionID: $collectionID, updationTime: $updationTime)''';
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}
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@override
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bool operator ==(Object o) {
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if (identical(this, o)) return true;
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return o is EnteFile &&
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o.generatedID == generatedID &&
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o.uploadedFileID == uploadedFileID &&
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o.localID == localID;
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}
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@override
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int get hashCode {
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return generatedID.hashCode ^ uploadedFileID.hashCode ^ localID.hashCode;
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}
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String get tag {
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return "local_" +
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localID.toString() +
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":remote_" +
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uploadedFileID.toString() +
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":generated_" +
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generatedID.toString();
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}
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String cacheKey() {
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// todo: Neeraj: 19thJuly'22: evaluate and add fileHash as the key?
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return localID ?? uploadedFileID?.toString() ?? generatedID.toString();
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}
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}
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