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Merge pull request #829 from grasdk/master

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consolidate exif parsing libraries - rework of timestamps
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Patrik J. Braun 2024-03-02 22:22:54 +01:00 committed by GitHub
commit 9a90a15e82
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47 changed files with 921 additions and 609 deletions
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1
.gitignore vendored
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@ -40,3 +40,4 @@ test.*
.DS_Store
/coverage/
.nyc_output/
.vscode*

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13
package-lock.json generated
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@ -26,7 +26,6 @@
"nodemailer": "6.9.4",
"reflect-metadata": "0.1.13",
"sharp": "0.31.3",
"ts-exif-parser": "0.2.2",
"ts-node-iptc": "1.0.11",
"typeconfig": "2.1.2",
"typeorm": "0.3.12",
@ -20052,12 +20051,6 @@
"node": ">=6.10"
}
},
"node_modules/ts-exif-parser": {
"version": "0.2.2",
"dependencies": {
"sax": "1.2.4"
}
},
"node_modules/ts-helpers": {
"version": "1.1.2",
"dev": true,
@ -35085,12 +35078,6 @@
"dev": true,
"optional": true
},
"ts-exif-parser": {
"version": "0.2.2",
"requires": {
"sax": "1.2.4"
}
},
"ts-helpers": {
"version": "1.1.2",
"dev": true,

1
package.json
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@ -53,7 +53,6 @@
"nodemailer": "6.9.4",
"reflect-metadata": "0.1.13",
"sharp": "0.31.3",
"ts-exif-parser": "0.2.2",
"ts-node-iptc": "1.0.11",
"typeconfig": "2.1.2",
"typeorm": "0.3.12",

23
src/backend/model/database/SearchManager.ts
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@ -364,7 +364,7 @@ export class SearchManager {
for (const sort of sortings) {
switch (sort.method) {
case SortByTypes.Date:
query.addOrderBy('media.metadata.creationDate', sort.ascending ? 'ASC' : 'DESC');
query.addOrderBy('media.metadata.creationDate', sort.ascending ? 'ASC' : 'DESC'); //If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). If taken into account, it will alter the sort order. Probably should not be done.
break;
case SortByTypes.Rating:
query.addOrderBy('media.metadata.rating', sort.ascending ? 'ASC' : 'DESC');
@ -563,7 +563,12 @@ export class SearchManager {
const textParam: { [key: string]: unknown } = {};
textParam['from' + queryId] = (query as FromDateSearch).value;
q.where(
`media.metadata.creationDate ${relation} :from${queryId}`,
`media.metadata.creationDate ${relation} :from${queryId}`, //TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-).
//Example: -600 means in the database UTC-10:00. The time 20:00 in the evening in the UTC-10 timezone, is actually 06:00 the next morning
//in UTC+00:00. To make search take that into account, one can subtract the offset from the creationDate to "pretend" the photo is taken
//in UTC time. Subtracting -600 minutes (because it's the -10:00 timezone), corresponds to adding 10 hours to the photo's timestamp, thus
//bringing it into the next day as if it was taken at UTC+00:00. Similarly subtracting a positive timezone from a timestamp will "pretend"
//the photo is taken earlier in time (e.g. subtracting 300 from the UTC+05:00 timezone).
textParam
);
@ -585,7 +590,7 @@ export class SearchManager {
const textParam: { [key: string]: unknown } = {};
textParam['to' + queryId] = (query as ToDateSearch).value;
q.where(
`media.metadata.creationDate ${relation} :to${queryId}`,
`media.metadata.creationDate ${relation} :to${queryId}`, //TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). See explanation above.
textParam
);
@ -790,15 +795,15 @@ export class SearchManager {
if (tq.negate) {
q.where(
`media.metadata.creationDate >= :to${queryId}`,
`media.metadata.creationDate >= :to${queryId}`, //TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). See explanation above.
textParam
).orWhere(`media.metadata.creationDate < :from${queryId}`,
).orWhere(`media.metadata.creationDate < :from${queryId}`, //TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). See explanation above.
textParam);
} else {
q.where(
`media.metadata.creationDate < :to${queryId}`,
`media.metadata.creationDate < :to${queryId}`, //TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). See explanation above.
textParam
).andWhere(`media.metadata.creationDate >= :from${queryId}`,
).andWhere(`media.metadata.creationDate >= :from${queryId}`, //TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). See explanation above.
textParam);
}
@ -821,10 +826,12 @@ export class SearchManager {
if (Config.Database.type === DatabaseType.sqlite) {
if (tq.daysLength == 0) {
q.where(
//TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). See explanation above.
`CAST(strftime('${duration}',media.metadataCreationDate/1000, 'unixepoch') AS INTEGER) ${relationEql} CAST(strftime('${duration}','now') AS INTEGER)`
);
} else {
q.where(
//TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). See explanation above.
`CAST(strftime('${duration}',media.metadataCreationDate/1000, 'unixepoch') AS INTEGER) ${relationTop} CAST(strftime('${duration}','now') AS INTEGER)`
)[whereFN](`CAST(strftime('${duration}',media.metadataCreationDate/1000, 'unixepoch') AS INTEGER) ${relationBottom} CAST(strftime('${duration}','now','-:diff${queryId} day') AS INTEGER)`,
textParam);
@ -832,10 +839,12 @@ export class SearchManager {
} else {
if (tq.daysLength == 0) {
q.where(
//TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). See explanation above.
`CAST(FROM_UNIXTIME(media.metadataCreationDate/1000, '${duration}') AS SIGNED) ${relationEql} CAST(DATE_FORMAT(CURDATE(),'${duration}') AS SIGNED)`
);
} else {
q.where(
//TODO: If media.metadata.creationDateOffset is defined, it is an offset of minutes (+/-). See explanation above.
`CAST(FROM_UNIXTIME(media.metadataCreationDate/1000, '${duration}') AS SIGNED) ${relationTop} CAST(DATE_FORMAT(CURDATE(),'${duration}') AS SIGNED)`
)[whereFN](`CAST(FROM_UNIXTIME(media.metadataCreationDate/1000, '${duration}') AS SIGNED) ${relationBottom} CAST(DATE_FORMAT((DATE_ADD(curdate(), INTERVAL -:diff${queryId} DAY)),'${duration}') AS SIGNED)`,
textParam);

10
src/backend/model/database/enitites/MediaEntity.ts
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@ -4,6 +4,7 @@ import {MediaDimension, MediaDTO, MediaMetadata,} from '../../../../common/entit
import {PersonJunctionTable} from './PersonJunctionTable';
import {columnCharsetCS} from './EntityUtils';
import {CameraMetadata, FaceRegion, GPSMetadata, PositionMetaData,} from '../../../../common/entities/PhotoDTO';
import { Utils } from '../../../../common/Utils';
export class MediaDimensionEntity implements MediaDimension {
@Column('int')
@ -106,6 +107,15 @@ export class MediaMetadataEntity implements MediaMetadata {
@Index()
creationDate: number;
@Column('smallint', {
transformer: {
from: (v) => Utils.getOffsetString(v), //from database repr. as smallint (minutes) to string (+/-HH:MM)
to: (v) => Utils.getOffsetMinutes(v), //from entiry repr. as string (+/-HH:MM) to smallint (minutes)
},
})
creationDateOffset?: string;
@Column('int', {unsigned: true})
fileSize: number;

388
src/backend/model/fileaccess/MetadataLoader.ts
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@ -12,7 +12,6 @@ import { FfprobeData } from 'fluent-ffmpeg';
import { FileHandle } from 'fs/promises';
import * as util from 'node:util';
import * as path from 'path';
import { ExifParserFactory, OrientationTypes } from 'ts-exif-parser';
import { IptcParser } from 'ts-node-iptc';
import { Utils } from '../../../common/Utils';
import { FFmpegFactory } from '../FFmpegFactory';
@ -40,7 +39,7 @@ export class MetadataLoader {
try {
const stat = fs.statSync(fullPath);
metadata.fileSize = stat.size;
metadata.creationDate = stat.mtime.getTime();
metadata.creationDate = stat.mtime.getTime(); //Default date is file system time of last modification
} catch (err) {
console.log(err);
// ignoring errors
@ -148,7 +147,8 @@ export class MetadataLoader {
if (metadata.keywords.indexOf(kw) === -1) {
metadata.keywords.push(kw);
}
} }
}
}
if ((sidecarData as SideCar).xmp.Rating !== undefined) {
metadata.rating = (sidecarData as SideCar).xmp.Rating;
}
@ -168,7 +168,7 @@ export class MetadataLoader {
}
private static readonly EMPTY_METADATA: PhotoMetadata = {
size: {width: 1, height: 1},
size: { width: 0, height: 0 },
creationDate: 0,
fileSize: 0,
};
@ -177,10 +177,68 @@ export class MetadataLoader {
public static async loadPhotoMetadata(fullPath: string): Promise<PhotoMetadata> {
let fileHandle: FileHandle;
const metadata: PhotoMetadata = {
size: {width: 1, height: 1},
size: { width: 0, height: 0 },
creationDate: 0,
fileSize: 0,
};
const exifrOptions = {
tiff: true,
xmp: true,
icc: false,
jfif: false, //not needed and not supported for png
ihdr: true,
iptc: false, //exifr reads UTF8-encoded data wrongly, using IptcParser instead
exif: true,
gps: true,
reviveValues: false, //don't convert timestamps
translateValues: false, //don't translate orientation from numbers to strings etc.
mergeOutput: false //don't merge output, because things like Microsoft Rating (percent) and xmp.rating will be merged
};
//function to convert timestamp into milliseconds taking offset into account
const timestampToMS = (timestamp: string, offset: string) => {
if (!timestamp) {
return undefined;
}
//replace : with - in the yyyy-mm-dd part of the timestamp.
let formattedTimestamp = timestamp.substring(0,9).replaceAll(':', '-') + timestamp.substring(9,timestamp.length);
if (formattedTimestamp.indexOf("Z") > 0) { //replace Z (and what comes after the Z) with offset
formattedTimestamp.substring(0, formattedTimestamp.indexOf("Z")) + (offset ? offset : '+00:00');
} else if (formattedTimestamp.indexOf("+") > 0) { //don't do anything
} else { //add offset
formattedTimestamp = formattedTimestamp + (offset ? offset : '+00:00');
}
//parse into MS and return
return Date.parse(formattedTimestamp);
}
//function to calculate offset from exif.exif.gpsTimeStamp or exif.gps.GPSDateStamp + exif.gps.GPSTimestamp
const getTimeOffsetByGPSStamp = (timestamp: string, gpsTimeStamp: string, gps: any) => {
let UTCTimestamp = gpsTimeStamp;
if (!UTCTimestamp &&
gps &&
gps.GPSDateStamp &&
gps.GPSTimeStamp) { //else use exif.gps.GPS*Stamp if available
//GPS timestamp is always UTC (+00:00)
UTCTimestamp = gps.GPSDateStamp.replaceAll(':', '-') + gps.GPSTimeStamp.join(':');
}
if (UTCTimestamp && timestamp) {
//offset in minutes is the difference between gps timestamp and given timestamp
//to calculate this correctly, we have to work with the same offset
const offsetMinutes = (timestampToMS(timestamp, '+00:00')- timestampToMS(UTCTimestamp, '+00:00')) / 1000 / 60;
return Utils.getOffsetString(offsetMinutes);
} else {
return undefined;
}
}
//Function to convert html code for special characters into their corresponding character (used in exif.photoshop-section)
const unescape = (tag: string) => {
return tag.replace(/&#([0-9]{1,3});/gi, function (match, numStr) {
return String.fromCharCode(parseInt(numStr, 10));
});
}
try {
const data = Buffer.allocUnsafe(Config.Media.photoMetadataSize);
fileHandle = await fs.promises.open(fullPath, 'r');
@ -193,7 +251,6 @@ export class MetadataLoader {
} finally {
await fileHandle.close();
}
try {
try {
const stat = fs.statSync(fullPath);
@ -202,118 +259,17 @@ export class MetadataLoader {
} catch (err) {
// ignoring errors
}
try {
const exif = ExifParserFactory.create(data).parse();
if (
exif.tags.ISO ||
exif.tags.Model ||
exif.tags.Make ||
exif.tags.FNumber ||
exif.tags.ExposureTime ||
exif.tags.FocalLength ||
exif.tags.LensModel
) {
if (exif.tags.Model && exif.tags.Model !== '') {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.model = '' + exif.tags.Model;
}
if (exif.tags.Make && exif.tags.Make !== '') {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.make = '' + exif.tags.Make;
}
if (exif.tags.LensModel && exif.tags.LensModel !== '') {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.lens = '' + exif.tags.LensModel;
}
if (Utils.isUInt32(exif.tags.ISO)) {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.ISO = parseInt('' + exif.tags.ISO, 10);
}
if (Utils.isFloat32(exif.tags.FocalLength)) {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.focalLength = parseFloat(
'' + exif.tags.FocalLength
);
}
if (Utils.isFloat32(exif.tags.ExposureTime)) {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.exposure = parseFloat(
parseFloat('' + exif.tags.ExposureTime).toFixed(6)
);
}
if (Utils.isFloat32(exif.tags.FNumber)) {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.fStop = parseFloat(
parseFloat('' + exif.tags.FNumber).toFixed(2)
);
}
}
if (
!isNaN(exif.tags.GPSLatitude) ||
exif.tags.GPSLongitude ||
exif.tags.GPSAltitude
) {
metadata.positionData = metadata.positionData || {};
metadata.positionData.GPSData = {};
if (Utils.isFloat32(exif.tags.GPSLongitude)) {
metadata.positionData.GPSData.longitude = parseFloat(
exif.tags.GPSLongitude.toFixed(6)
);
}
if (Utils.isFloat32(exif.tags.GPSLatitude)) {
metadata.positionData.GPSData.latitude = parseFloat(
exif.tags.GPSLatitude.toFixed(6)
);
}
}
if (
exif.tags.CreateDate ||
exif.tags.DateTimeOriginal ||
exif.tags.ModifyDate
) {
metadata.creationDate =
(exif.tags.DateTimeOriginal ||
exif.tags.CreateDate ||
exif.tags.ModifyDate) * 1000;
}
if (exif.imageSize) {
metadata.size = {
width: exif.imageSize.width,
height: exif.imageSize.height,
};
} else if (
exif.tags.RelatedImageWidth &&
exif.tags.RelatedImageHeight
) {
metadata.size = {
width: exif.tags.RelatedImageWidth,
height: exif.tags.RelatedImageHeight,
};
} else if (
exif.tags.ImageWidth &&
exif.tags.ImageHeight
) {
metadata.size = {
width: exif.tags.ImageWidth,
height: exif.tags.ImageHeight,
};
} else {
const info = imageSize(fullPath);
metadata.size = {width: info.width, height: info.height};
}
} catch (err) {
Logger.debug(LOG_TAG, 'Error parsing exif', fullPath, err);
try {
//read the actual image size, don't rely on tags for this
const info = imageSize(fullPath);
metadata.size = { width: info.width, height: info.height };
} catch (e) {
metadata.size = {width: 1, height: 1};
}
//in case of failure, set dimensions to 0 so they may be read via tags
metadata.size = { width: 0, height: 0 };
}
try {
try { //Parse iptc data using the IptcParser, which works correctly for both UTF-8 and ASCII
const iptcData = IptcParser.parse(data);
if (iptcData.country_or_primary_location_name) {
metadata.positionData = metadata.positionData || {};
@ -351,32 +307,12 @@ export class MetadataLoader {
// Logger.debug(LOG_TAG, 'Error parsing iptc data', fullPath, err);
}
if (!metadata.creationDate) {
// creationDate can be negative, when it was created before epoch (1970)
metadata.creationDate = 0;
}
try {
const exifrOptions = {
tiff: true,
xmp: true,
icc: false,
jfif: false, //not needed and not supported for png
ihdr: true,
iptc: false, //exifr reads UTF8-encoded data wrongly
exif: true,
gps: true,
translateValues: false, //don't translate orientation from numbers to strings etc.
mergeOutput: false //don't merge output, because things like Microsoft Rating (percent) and xmp.rating will be merged
};
let orientation = 1; //Orientation 1 is normal
const exif = await exifr.parse(data, exifrOptions);
if (exif.xmp && exif.xmp.Rating) {
metadata.rating = exif.xmp.Rating;
if (metadata.rating < 0) {
metadata.rating = 0;
}
}
//exif is structured in sections, we read the data by section
//dc-section (subject is the only tag we want from dc)
if (exif.dc &&
exif.dc.subject &&
exif.dc.subject.length > 0) {
@ -390,22 +326,172 @@ export class MetadataLoader {
}
}
}
let orientation = OrientationTypes.TOP_LEFT;
if (exif.ifd0 &&
exif.ifd0.Orientation) {
//ifd0 section
if (exif.ifd0) {
if (exif.ifd0.ImageWidth && metadata.size.width <= 0) {
metadata.size.width = exif.ifd0.ImageWidth;
}
if (exif.ifd0.ImageHeight && metadata.size.height <= 0) {
metadata.size.height = exif.ifd0.ImageHeight;
}
if (exif.ifd0.Orientation) {
orientation = parseInt(
exif.ifd0.Orientation as any,
10
) as number;
}
if (OrientationTypes.BOTTOM_LEFT < orientation) {
if (exif.ifd0.Make && exif.ifd0.Make !== '') {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.make = '' + exif.ifd0.Make;
}
if (exif.ifd0.Model && exif.ifd0.Model !== '') {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.model = '' + exif.ifd0.Model;
}
//if (exif.ifd0.ModifyDate) {} //Deferred to the exif-section where the other timestamps are
}
//exif section starting with the date sectino
if (exif.exif) {
//Preceedence of dates: exif.DateTimeOriginal, exif.CreateDate, ifd0.ModifyDate, ihdr["Creation Time"], xmp.MetadataDate, file system date
//Filesystem is the absolute last resort, and it's hard to write tests for, since file system dates are changed on e.g. git clone.
if (exif.exif.DateTimeOriginal) {
//DateTimeOriginal is when the camera shutter closed
if (exif.exif.OffsetTimeOriginal) { //OffsetTimeOriginal is the corresponding offset
metadata.creationDate = timestampToMS(exif.exif.DateTimeOriginal, exif.exif.OffsetTimeOriginal);
metadata.creationDateOffset = exif.exif.OffsetTimeOriginal;
} else {
const alt_offset = exif.exif.OffsetTimeDigitized || exif.exif.OffsetTime || getTimeOffsetByGPSStamp(exif.exif.DateTimeOriginal, exif.exif.GPSTimeStamp, exif.gps);
metadata.creationDate = timestampToMS(exif.exif.DateTimeOriginal, alt_offset);
metadata.creationDateOffset = alt_offset;
}
} else if (exif.exif.CreateDate) { //using else if here, because DateTimeOriginal has preceedence
//Create is when the camera wrote the file (typically within the same ms as shutter close)
if (exif.exif.OffsetTimeDigitized) { //OffsetTimeDigitized is the corresponding offset
metadata.creationDate = timestampToMS(exif.exif.CreateDate, exif.exif.OffsetTimeDigitized);
metadata.creationDateOffset = exif.exif.OffsetTimeDigitized;
} else {
const alt_offset = exif.exif.OffsetTimeOriginal || exif.exif.OffsetTime || getTimeOffsetByGPSStamp(exif.exif.DateTimeOriginal, exif.exif.GPSTimeStamp, exif.gps);
metadata.creationDate = timestampToMS(exif.exif.DateTimeOriginal, alt_offset);
metadata.creationDateOffset = alt_offset;
}
} else if (exif.ifd0?.ModifyDate) { //using else if here, because DateTimeOriginal and CreatDate have preceedence
if (exif.exif.OffsetTime) {
//exif.Offsettime is the offset corresponding to ifd0.ModifyDate
metadata.creationDate = timestampToMS(exif.ifd0.ModifyDate, exif.exif?.OffsetTime);
metadata.creationDateOffset = exif.exif?.OffsetTime
} else {
const alt_offset = exif.exif.DateTimeOriginal || exif.exif.OffsetTimeDigitized || getTimeOffsetByGPSStamp(exif.ifd0.ModifyDate, exif.exif.GPSTimeStamp, exif.gps);
metadata.creationDate = timestampToMS(exif.ifd0.ModifyDate, alt_offset);
metadata.creationDateOffset = alt_offset;
}
} else if (exif.ihdr && exif.ihdr["Creation Time"]) {// again else if (another fallback date if the good ones aren't there) {
const any_offset = exif.exif.DateTimeOriginal || exif.exif.OffsetTimeDigitized || exif.exif.OffsetTime || getTimeOffsetByGPSStamp(exif.ifd0.ModifyDate, exif.exif.GPSTimeStamp, exif.gps);
metadata.creationDate = timestampToMS(exif.ihdr["Creation Time"], any_offset);
metadata.creationDateOffset = any_offset;
} else if (exif.xmp?.MetadataDate) {// again else if (another fallback date if the good ones aren't there - metadata date is probably later than actual creation date, but much better than file time) {
const any_offset = exif.exif.DateTimeOriginal || exif.exif.OffsetTimeDigitized || exif.exif.OffsetTime || getTimeOffsetByGPSStamp(exif.ifd0.ModifyDate, exif.exif.GPSTimeStamp, exif.gps);
metadata.creationDate = timestampToMS(exif.xmp.MetadataDate, any_offset);
metadata.creationDateOffset = any_offset;
}
if (exif.exif.LensModel && exif.exif.LensModel !== '') {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.lens = '' + exif.exif.LensModel;
}
if (Utils.isUInt32(exif.exif.ISO)) {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.ISO = parseInt('' + exif.exif.ISO, 10);
}
if (Utils.isFloat32(exif.exif.FocalLength)) {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.focalLength = parseFloat(
'' + exif.exif.FocalLength
);
}
if (Utils.isFloat32(exif.exif.ExposureTime)) {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.exposure = parseFloat(
parseFloat('' + exif.exif.ExposureTime).toFixed(6)
);
}
if (Utils.isFloat32(exif.exif.FNumber)) {
metadata.cameraData = metadata.cameraData || {};
metadata.cameraData.fStop = parseFloat(
parseFloat('' + exif.exif.FNumber).toFixed(2)
);
}
if (exif.exif.ExifImageWidth && metadata.size.width <= 0) {
metadata.size.width = exif.exif.ExifImageWidth;
}
if (exif.exif.ExifImageHeight && metadata.size.height <= 0) {
metadata.size.height = exif.exif.ExifImageHeight;
}
}
//gps section
if (exif.gps) {
metadata.positionData = metadata.positionData || {};
metadata.positionData.GPSData = metadata.positionData.GPSData || {};
if (Utils.isFloat32(exif.gps.longitude)) {
metadata.positionData.GPSData.longitude = parseFloat(
exif.gps.longitude.toFixed(6)
);
}
if (Utils.isFloat32(exif.gps.latitude)) {
metadata.positionData.GPSData.latitude = parseFloat(
exif.gps.latitude.toFixed(6)
);
}
if (metadata.positionData) {
if (!metadata.positionData.GPSData ||
Object.keys(metadata.positionData.GPSData).length === 0) {
metadata.positionData.GPSData = undefined;
metadata.positionData = undefined;
}
}
}
//photoshop section (sometimes has City, Country and State)
if (exif.photoshop) {
if (!metadata.positionData?.country && exif.photoshop.Country) {
metadata.positionData = metadata.positionData || {};
metadata.positionData.country = unescape(exif.photoshop.Country);
}
if (!metadata.positionData?.state && exif.photoshop.State) {
metadata.positionData = metadata.positionData || {};
metadata.positionData.state = unescape(exif.photoshop.State);
}
if (!metadata.positionData?.city && exif.photoshop.City) {
metadata.positionData = metadata.positionData || {};
metadata.positionData.city = unescape(exif.photoshop.City);
}
}
///////////////////////////////////////
metadata.size.height = Math.max(metadata.size.height, 1); //ensure height dimension is positive
metadata.size.width = Math.max(metadata.size.width, 1); //ensure width dimension is positive
//Before moving on to the XMP section (particularly the regions (mwg-rs))
//we need to switch width and height for images that are rotated sideways
if (4 < orientation) { //Orientation is sideways (rotated 90% or 270%)
// noinspection JSSuspiciousNameCombination
const height = metadata.size.width;
// noinspection JSSuspiciousNameCombination
metadata.size.width = metadata.size.height;
metadata.size.height = height;
}
///////////////////////////////////////
//xmp section
if (exif.xmp && exif.xmp.Rating) {
metadata.rating = exif.xmp.Rating;
if (metadata.rating < 0) {
metadata.rating = 0;
}
}
//xmp."mwg-rs" section
if (Config.Faces.enabled &&
exif["mwg-rs"] &&
exif["mwg-rs"].Regions) {
@ -422,24 +508,24 @@ export class MetadataLoader {
x: string,
y: string
) => {
if (OrientationTypes.BOTTOM_LEFT < orientation) {
if (4 < orientation) { //roation is sidewards (90 or 270 degrees)
[x, y] = [y, x];
[w, h] = [h, w];
}
let swapX = 0;
let swapY = 0;
switch (orientation) {
case OrientationTypes.TOP_RIGHT:
case OrientationTypes.RIGHT_TOP:
case 2: //TOP RIGHT (Mirror horizontal):
case 6: //RIGHT TOP (Rotate 90 CW)
swapX = 1;
break;
case OrientationTypes.BOTTOM_RIGHT:
case OrientationTypes.RIGHT_BOTTOM:
case 3: // BOTTOM RIGHT (Rotate 180)
case 7: // RIGHT BOTTOM (Mirror horizontal and rotate 90 CW)
swapX = 1;
swapY = 1;
break;
case OrientationTypes.BOTTOM_LEFT:
case OrientationTypes.LEFT_BOTTOM:
case 4: //BOTTOM_LEFT (Mirror vertical)
case 8: //LEFT_BOTTOM (Rotate 270 CW)
swapY = 1;
break;
}
@ -451,7 +537,6 @@ export class MetadataLoader {
top: Math.round(Math.abs(parseFloat(y) - swapY) * metadata.size.height),
};
};
/* Adobe Lightroom based face region structure */
if (
regionRoot &&
@ -517,6 +602,11 @@ export class MetadataLoader {
// ignoring errors
}
if (!metadata.creationDate) {
// creationDate can be negative, when it was created before epoch (1970)
metadata.creationDate = 0;
}
try {
// search for sidecar and merge metadata
const fullPathWithoutExt = path.parse(fullPath).name;
@ -564,7 +654,5 @@ export class MetadataLoader {
return MetadataLoader.EMPTY_METADATA;
}
return metadata;
}
}

3
src/backend/model/messenger/EmailMessenger.ts
View File

@ -5,6 +5,7 @@ import {MediaDTOWithThPath, Messenger} from './Messenger';
import {backendTexts} from '../../../common/BackendTexts';
import {DynamicConfig} from '../../../common/entities/DynamicConfig';
import {DefaultMessengers} from '../../../common/entities/job/JobDTO';
import {Utils} from '../../../common/Utils';
export class EmailMessenger extends Messenger<{
emailTo: string,
@ -69,7 +70,7 @@ export class EmailMessenger extends Messenger<{
(media[i].metadata as PhotoMetadata).positionData?.country :
((media[i].metadata as PhotoMetadata).positionData?.city ?
(media[i].metadata as PhotoMetadata).positionData?.city : '');
const caption = (new Date(media[i].metadata.creationDate)).getFullYear() + (location ? ', ' + location : '');
const caption = Utils.getFullYear(media[i].metadata.creationDate, media[i].metadata.creationDateOffset) + (location ? ', ' + location : '');
attachments.push({
filename: media[i].name,
path: media[i].thumbnailPath,

37
src/common/Utils.ts
View File

@ -110,6 +110,43 @@ export class Utils {
return d;
}
static getUTCFullYear(d: number | Date, offset: string) {
if (!(d instanceof Date)) {
d = new Date(d);
}
return new Date(new Date(d).toISOString().substring(0,19) + (offset ? offset : '')).getUTCFullYear();
}
static getFullYear(d: number | Date, offset: string) {
if (!(d instanceof Date)) {
d = new Date(d);
}
return new Date(new Date(d).toISOString().substring(0,19) + (offset ? offset : '')).getFullYear();
}
static getOffsetString(offsetMinutes: number) {
if (-720 <= offsetMinutes && offsetMinutes <= 840) {
//valid offset is within -12 and +14 hrs (https://en.wikipedia.org/wiki/List_of_UTC_offsets)
return (offsetMinutes < 0 ? "-" : "+") + //leading +/-
("0" + Math.trunc(Math.abs(offsetMinutes) / 60)).slice(-2) + ":" + //zeropadded hours and ':'
("0" + Math.abs(offsetMinutes) % 60).slice(-2); //zeropadded minutes
} else {
return undefined;
}
}
static getOffsetMinutes(offsetString: string) { //Convert offset string (+HH:MM or -HH:MM) into a minute value
const regex = /^([+-](0[0-9]|1[0-4]):[0-5][0-9])$/; //checks if offset is between -14:00 and +14:00.
//-12:00 is the lowest valid UTC-offset, but we allow down to -14 for efficiency
if (regex.test(offsetString)) {
const hhmm = offsetString.split(":");
const hours = parseInt(hhmm[0]);
return hours < 0 ? ((hours*60) - parseInt(hhmm[1])) : ((hours*60) + parseInt(hhmm[1]));
} else {
return undefined;
}
}
static renderDataSize(size: number): string {
const postFixes = ['B', 'KB', 'MB', 'GB', 'TB'];
let index = 0;

13
src/common/entities/ConentWrapper.ts
View File

@ -79,6 +79,11 @@ export class ContentWrapper {
(media as MediaDTO).metadata['t'] = (media as MediaDTO).metadata.creationDate / 1000; // skip millies
delete (media as MediaDTO).metadata.creationDate;
if ((media as MediaDTO).metadata.creationDateOffset) {
// @ts-ignore
(media as MediaDTO).metadata['o'] = Utils.getOffsetMinutes((media as MediaDTO).metadata.creationDateOffset); // offset in minutes
delete (media as MediaDTO).metadata.creationDateOffset;
}
if ((media as PhotoDTO).metadata.rating) {
// @ts-ignore
@ -338,6 +343,14 @@ export class ContentWrapper {
delete (media as PhotoDTO).metadata['t'];
}
// @ts-ignore
if (typeof (media as PhotoDTO).metadata['o'] !== 'undefined') {
// @ts-ignore
(media as PhotoDTO).metadata.creationDateOffset = Utils.getOffsetString((media as PhotoDTO).metadata['o']) ;//convert offset from minutes to String
// @ts-ignore
delete (media as PhotoDTO).metadata['o'];
}
// @ts-ignore
if (typeof (media as PhotoDTO).metadata['r'] !== 'undefined') {
// @ts-ignore

1
src/common/entities/MediaDTO.ts
View File

@ -17,6 +17,7 @@ export interface MediaMetadata {
size: MediaDimension;
creationDate: number;
fileSize: number;
creationDateOffset?: string;
keywords?: string[];
rating?: RatingTypes;
title?: string;

1
src/common/entities/PhotoDTO.ts
View File

@ -33,6 +33,7 @@ export interface PhotoMetadata extends MediaMetadata {
positionData?: PositionMetaData;
size: MediaDimension;
creationDate: number;
creationDateOffset?: string;
fileSize: number;
faces?: FaceRegion[];
}

1
src/common/entities/VideoDTO.ts
View File

@ -11,6 +11,7 @@ export interface VideoDTO extends MediaDTO {
export interface VideoMetadata extends MediaMetadata {
size: MediaDimension;
creationDate: number;
creationDateOffset?: string;
bitRate: number;
duration: number; // in milliseconds
fileSize: number;

3
src/frontend/app/ui/duplicates/duplicates.component.html
View File

@ -24,7 +24,8 @@
{{media.metadata.fileSize | fileSize}}
</div>
<div class="col-3 align-self-center" [title]="media.metadata.creationDate">
{{media.metadata.creationDate | date}}, {{media.metadata.creationDate | date:'mediumTime'}}
{{ media.metadata.creationDate | date : 'longDate' : (media.metadata.creationDateOffset ? media.metadata.creationDateOffset : 'UTC') }},
{{ media.metadata.creationDate | date : (media.metadata.creationDateOffset ? 'HH:mm:ss ZZZZZ' : 'HH:mm:ss') : (media.metadata.creationDateOffset ? media.metadata.creationDateOffset : 'UTC') }}
</div>
</a>
</div>

2
src/frontend/app/ui/gallery/filter/filter.service.ts
View File

@ -205,7 +205,7 @@ export class FilterService {
const startMediaDate = new Date(floorDate(minDate));
prefiltered.media.forEach(m => {
const key = Math.floor((floorDate(m.metadata.creationDate) - startMediaDate.getTime()) / 1000 / usedDiv);
const key = Math.floor((floorDate(m.metadata.creationDate) - startMediaDate.getTime()) / 1000 / usedDiv); //TODO
const getDate = (index: number) => {
let d: Date;

2
src/frontend/app/ui/gallery/lightbox/controls/controls.lightbox.gallery.component.ts
View File

@ -496,7 +496,7 @@ export class ControlsLightboxComponent implements OnDestroy, OnInit, OnChanges {
case LightBoxTitleTexts.persons:
return m.metadata.faces?.map(f => f.name)?.join(', ');
case LightBoxTitleTexts.date:
return this.datePipe.transform(m.metadata.creationDate, 'longDate');
return this.datePipe.transform(m.metadata.creationDate, 'longDate', m.metadata.creationDateOffset);
case LightBoxTitleTexts.location:
return (
m.metadata.positionData?.city ||

4
src/frontend/app/ui/gallery/lightbox/infopanel/info-panel.lightbox.gallery.component.html
View File

@ -54,10 +54,10 @@
</div>
<div class="col-11">
<div class="details-main">
{{ media.metadata.creationDate | date: (isThisYear() ? 'MMMM d' : 'longDate') : 'UTC' }}
{{ media.metadata.creationDate | date: (isThisYear() ? 'MMMM d' : 'longDate') : (media.metadata.creationDateOffset ? media.metadata.creationDateOffset : 'UTC') }}
</div>
<div class="details-sub text-secondary row">
<div class="col-12">{{ media.metadata.creationDate | date : 'EEEE, HH:mm:ss' : 'UTC' }}</div>
<div class="col-12">{{ media.metadata.creationDate | date : (media.metadata.creationDateOffset ? 'EEEE, HH:mm:ss ZZZZZ' : 'EEEE, HH:mm:ss') : (media.metadata.creationDateOffset ? media.metadata.creationDateOffset : 'UTC') }}</div>
</div>
</div>
</div>

2
src/frontend/app/ui/gallery/lightbox/infopanel/info-panel.lightbox.gallery.component.ts
View File

@ -148,7 +148,7 @@ export class InfoPanelLightboxComponent implements OnInit, OnChanges {
isThisYear(): boolean {
return (
new Date().getFullYear() ===
new Date(this.media.metadata.creationDate).getUTCFullYear()
Utils.getUTCFullYear(this.media.metadata.creationDate, this.media.metadata.creationDateOffset)
);
}

2
src/frontend/app/ui/gallery/navigator/sorting.service.ts
View File

@ -184,7 +184,7 @@ export class GallerySortingService {
private getGroupByNameFn(grouping: GroupingMethod) {
switch (grouping.method) {
case SortByTypes.Date:
return (m: MediaDTO) => this.datePipe.transform(m.metadata.creationDate, 'longDate', 'UTC');
return (m: MediaDTO) => this.datePipe.transform(m.metadata.creationDate, 'longDate', m.metadata.creationDateOffset);
case SortByTypes.Name:
return (m: MediaDTO) => m.name.at(0).toUpperCase();

7
test/TestHelper.ts
View File

@ -55,6 +55,7 @@ export class TestHelper {
m.caption = null;
m.size = sd;
m.creationDate = 1656069387772;
m.creationDateOffset = "+02:00"
m.fileSize = 123456789;
// m.rating = 0; no rating by default
@ -101,6 +102,7 @@ export class TestHelper {
m.positionData = pd;
m.size = sd;
m.creationDate = 1656069387772;
m.creationDateOffset = "-05:00";
m.fileSize = 123456789;
// m.rating = 0; no rating by default
@ -177,6 +179,7 @@ export class TestHelper {
p.metadata.positionData.GPSData.latitude = 10;
p.metadata.positionData.GPSData.longitude = 10;
p.metadata.creationDate = 1656069387772 - 1000;
p.metadata.creationDateOffset = "+00:00";
p.metadata.rating = 1;
p.metadata.size.height = 1000;
p.metadata.size.width = 1000;
@ -215,6 +218,7 @@ export class TestHelper {
p.metadata.positionData.GPSData.latitude = -10;
p.metadata.positionData.GPSData.longitude = -10;
p.metadata.creationDate = 1656069387772 - 2000;
p.metadata.creationDateOffset = "+11:00";
p.metadata.rating = 2;
p.metadata.size.height = 2000;
p.metadata.size.width = 1000;
@ -247,6 +251,7 @@ export class TestHelper {
p.metadata.positionData.GPSData.latitude = 10;
p.metadata.positionData.GPSData.longitude = 15;
p.metadata.creationDate = 1656069387772 - 3000;
p.metadata.creationDateOffset = "-03:45";
p.metadata.rating = 3;
p.metadata.size.height = 1000;
p.metadata.size.width = 2000;
@ -275,6 +280,7 @@ export class TestHelper {
p.metadata.positionData.GPSData.latitude = 15;
p.metadata.positionData.GPSData.longitude = 10;
p.metadata.creationDate = 1656069387772 - 4000;
p.metadata.creationDateOffset = "+04:30";
p.metadata.size.height = 3000;
p.metadata.size.width = 2000;
@ -394,6 +400,7 @@ export class TestHelper {
positionData: pd,
size: sd,
creationDate: Date.now() + ++TestHelper.creationCounter,
creationDateOffset: "+01:00",
fileSize: rndInt(10000),
caption: rndStr(),
rating: rndInt(5) as any,

3
test/backend/assets/Chars.json
View File

@ -3,7 +3,8 @@
"width": 1920,
"height": 1080
},
"creationDate": 1706659327000,
"creationDate": 1706655727000,
"creationDateOffset": "+01:00",
"fileSize": 111432,
"positionData": {
"GPSData": {

3
test/backend/assets/edge_case_exif_data/before_epoch.json
View File

@ -9,7 +9,8 @@
"model": "Canon EOS 600D"
},
"caption": "Bambi Caption",
"creationDate": -11630935227000,
"creationDate": -11630942427000,
"creationDateOffset": "+02:00",
"faces": [
{
"box": {

2
test/backend/assets/edge_case_exif_data/date_error.json
View File

@ -7,7 +7,7 @@
"make": "NIKON",
"model": "E880"
},
"creationDate": -2211753600000,
"creationDate": 0,
"fileSize": 72850,
"size": {
"height": 768,

3
test/backend/assets/png_with_keyword_and_dates.json → test/backend/assets/png_with_faces_and_dates.json
View File

@ -4,7 +4,8 @@
"width": 26,
"height": 26
},
"creationDate": 1707167247786,
"creationDate": 1599990007000,
"creationDateOffset": "+05:00",
"fileSize": 5758,
"keywords": [
],

0
test/backend/assets/png_with_keyword_and_dates.png → test/backend/assets/png_with_faces_and_dates.png
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3
test/backend/assets/test_png.json
View File

@ -24,5 +24,6 @@
"size": {
"height": 26,
"width": 26
}
},
"creationDate": 1544748139000
}

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25
test/backend/assets/timestamps/big_ben.json Normal file
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@ -0,0 +1,25 @@
{
"size": {
"width": 200,
"height": 300
},
"creationDate": 1686141955000,
"creationDateOffset": "+01:00",
"fileSize": 18532,
"cameraData": {
"model": "Canon EOS R5",
"make": "Canon"
},
"positionData": {
"GPSData": {
"longitude": -0.124575,
"latitude": 51.500694
},
"country": "Storbritannien",
"state": "England",
"city": "St James's"
},
"keywords": [
"Big Ben"
]
}

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25
test/backend/assets/timestamps/big_ben_no_tsoffset_but_gps_utc.json Normal file
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@ -0,0 +1,25 @@
{
"size": {
"width": 200,
"height": 300
},
"creationDate": 1686141955000,
"creationDateOffset": "+01:00",
"fileSize": 18663,
"cameraData": {
"model": "Canon EOS R5",
"make": "Canon"
},
"positionData": {
"GPSData": {
"longitude": -0.124575,
"latitude": 51.500694
},
"country": "Storbritannien",
"state": "England",
"city": "St James's"
},
"keywords": [
"Big Ben"
]
}

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20
test/backend/assets/timestamps/big_ben_only_time.json Normal file
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@ -0,0 +1,20 @@
{
"size": {
"width": 200,
"height": 300
},
"creationDate": 1686145555000,
"fileSize": 17850,
"cameraData": {
"model": "Canon EOS R5",
"make": "Canon"
},
"positionData": {
"country": "Storbritannien",
"state": "England",
"city": "St James's"
},
"keywords": [
"Big Ben"
]
}

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25
test/backend/assets/timestamps/sydney_opera_house.json Normal file
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@ -0,0 +1,25 @@
{
"size": {
"width": 300,
"height": 200
},
"creationDate": 1600512957000,
"creationDateOffset": "+10:00",
"fileSize": 22755,
"cameraData": {
"model": "ILCE-7RM3",
"make": "Sony"
},
"positionData": {
"GPSData": {
"longitude": 151.210381,
"latitude": -33.855698
},
"country": "Australien",
"state": "New South Wales",
"city": "Dawes Point"
},
"keywords": [
"Sydney Opera House"
]
}

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25
test/backend/assets/timestamps/sydney_opera_house_no_tsoffset_but_gps_utc.json Normal file
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@ -0,0 +1,25 @@
{
"size": {
"width": 300,
"height": 200
},
"creationDate": 1600512957000,
"creationDateOffset": "+10:00",
"fileSize": 22641,
"cameraData": {
"model": "ILCE-7RM3",
"make": "Sony"
},
"positionData": {
"GPSData": {
"longitude": 151.210381,
"latitude": -33.855698
},
"country": "Australien",
"state": "New South Wales",
"city": "Dawes Point"
},
"keywords": [
"Sydney Opera House"
]
}

3
test/backend/assets/two_ratings.json
View File

@ -7,7 +7,8 @@
"make": "samsung",
"model": "SM-G975F"
},
"creationDate": 1619181527000,
"creationDate": 1619174327000,
"creationDateOffset": "+02:00",
"fileSize": 4877,
"rating":3,
"size": {

3
test/backend/assets/xmp/xmp_subject.json
View File

@ -7,7 +7,8 @@
"make": "samsung",
"model": "SM-G975F"
},
"creationDate": 1614703656000,
"creationDate": 1614700056000,
"creationDateOffset": "+01:00",
"fileSize": 4709,
"keywords": [
"Max",

32
test/backend/unit/model/threading/MetaDataLoader.spec.ts
View File

@ -24,11 +24,16 @@ describe('MetadataLoader', () => {
it('should load png', async () => {
const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/test_png.png'));
delete data.creationDate; // creation time for png not supported
const expected = require(path.join(__dirname, '/../../../assets/test_png.json'));
expect(Utils.clone(data)).to.be.deep.equal(expected);
});
it('should load png with faces and dates', async () => {
const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/png_with_faces_and_dates.png'));
const expected = require(path.join(__dirname, '/../../../assets/png_with_faces_and_dates.json'));
expect(Utils.clone(data)).to.be.deep.equal(expected);
});
it('should load jpg', async () => {
const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/test image öüóőúéáű-.,.jpg'));
const expected = require(path.join(__dirname, '/../../../assets/test image öüóőúéáű-.,.json'));
@ -69,6 +74,31 @@ describe('MetadataLoader', () => {
expect(Utils.clone(data)).to.be.deep.equal(expected);
});
it('should load jpg with timestamps, timezone AEST (UTC+10) and gps (UTC)', async () => {
const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/timestamps/sydney_opera_house.jpg'));
const expected = require(path.join(__dirname, '/../../../assets/timestamps/sydney_opera_house.json'));
expect(Utils.clone(data)).to.be.deep.equal(expected);
});
it('should load jpg with timestamps and gps (UTC) and calculate offset +10', async () => {
const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/timestamps/sydney_opera_house_no_tsoffset_but_gps_utc.jpg'));
const expected = require(path.join(__dirname, '/../../../assets/timestamps/sydney_opera_house_no_tsoffset_but_gps_utc.json'));
expect(Utils.clone(data)).to.be.deep.equal(expected);
});
it('should load jpg with timestamps, timezone BST (UTC+1) and gps (UTC)', async () => {
const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/timestamps/big_ben.jpg'));
const expected = require(path.join(__dirname, '/../../../assets/timestamps/big_ben.json'));
expect(Utils.clone(data)).to.be.deep.equal(expected);
});
it('should load jpg with timestamps and gps (UTC) and calculate offset +1', async () => {
const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/timestamps/big_ben_no_tsoffset_but_gps_utc.jpg'));
const expected = require(path.join(__dirname, '/../../../assets/timestamps/big_ben_no_tsoffset_but_gps_utc.json'));
expect(Utils.clone(data)).to.be.deep.equal(expected);
});
it('should load jpg with timestamps but no offset and no GPS to calculate it from', async () => {
const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/timestamps/big_ben_only_time.jpg'));
const expected = require(path.join(__dirname, '/../../../assets/timestamps/big_ben_only_time.json'));
expect(Utils.clone(data)).to.be.deep.equal(expected);
});
describe('should load jpg with proper height and orientation', () => {
it('jpg 1', async () => {
const data = await MetadataLoader.loadPhotoMetadata(path.join(__dirname, '/../../../assets/orientation/broken_orientation_exif.jpg'));