Image thumbnails are rotated sometimes

[gempir]

In some cases (Can't figure out which yet) image thumbnails are rotated.

Example Picture:
https://files.catbox.moe/8c5ref.jpeg

[Mm2PL]

This probably happens because we might ignore exif rotation info

$ file 8c5ref.jpeg
8c5ref.jpeg: JPEG image data, JFIF standard 1.01, resolution (DPI), density 300x300, segment length 20, Exif Standard: 
[TIFF image data, big-endian, direntries=14, manufacturer=Apple, model=iPhone 12, orientation=upper-right, xresolution=198, 
yresolution=206, resolutionunit=2, software=15.1.1, datetime=2022:07:16 00:19:47, hostcomputer=iPhone 12], baseline, 
precision 8, 4032x3024, components 3

[leon-richardt]

exiftool 8c5ref.jpeg gives: Orientation: Rotate 90 CW (raw value: 6)

Entire Output

ExifTool Version Number         : 12.42
File Name                       : 8c5ref.jpeg
Directory                       : .
File Size                       : 3.2 MB
File Modification Date/Time     : 2022:07:16 11:30:58+02:00
File Access Date/Time           : 2022:07:16 11:31:07+02:00
File Inode Change Date/Time     : 2022:07:16 11:31:01+02:00
File Permissions                : -rw-r--r--
File Type                       : JPEG
File Type Extension             : jpg
MIME Type                       : image/jpeg
JFIF Version                    : 1.01
Exif Byte Order                 : Big-endian (Motorola, MM)
Make                            : Apple
Camera Model Name               : iPhone 12
Orientation                     : Rotate 90 CW
X Resolution                    : 72
Y Resolution                    : 72
Resolution Unit                 : inches
Software                        : 15.1.1
Modify Date                     : 2022:07:16 00:19:47
Host Computer                   : iPhone 12
Tile Width                      : 512
Tile Length                     : 512
Y Cb Cr Positioning             : Centered
Exposure Time                   : 1/25
F Number                        : 1.6
Exposure Program                : Program AE
ISO                             : 1000
Exif Version                    : 0232
Date/Time Original              : 2022:07:16 00:19:47
Create Date                     : 2022:07:16 00:19:47
Offset Time                     : +02:00
Offset Time Original            : +02:00
Offset Time Digitized           : +02:00
Components Configuration        : Y, Cb, Cr, -
Shutter Speed Value             : 1/25
Aperture Value                  : 1.6
Brightness Value                : -2.229301732
Exposure Compensation           : 0
Metering Mode                   : Multi-segment
Flash                           : Off, Did not fire
Focal Length                    : 4.2 mm
Subject Area                    : 1397 963 291 291
Run Time Flags                  : Valid
Run Time Value                  : 944815254757708
Run Time Scale                  : 1000000000
Run Time Epoch                  : 0
Acceleration Vector             : 0.01231019385 -1.00263679 -0.002108704532
Sub Sec Time Original           : 229
Sub Sec Time Digitized          : 229
Flashpix Version                : 0100
Color Space                     : Uncalibrated
Exif Image Width                : 4032
Exif Image Height               : 3024
Sensing Method                  : One-chip color area
Scene Type                      : Directly photographed
Exposure Mode                   : Auto
White Balance                   : Auto
Focal Length In 35mm Format     : 26 mm
Scene Capture Type              : Standard
Lens Info                       : 1.549999952-4.2mm f/1.6-2.4
Lens Make                       : Apple
Lens Model                      : iPhone 12 back dual wide camera 4.2mm f/1.6
Composite Image                 : General Composite Image
GPS Latitude Ref                : North
GPS Longitude Ref               : East
GPS Altitude Ref                : Above Sea Level
GPS Speed Ref                   : km/h
GPS Speed                       : 0.2099999934
GPS Img Direction Ref           : True North
GPS Img Direction               : 34.52927781
GPS Dest Bearing Ref            : True North
GPS Dest Bearing                : 34.52927781
GPS Horizontal Positioning Error: 6.100446014 m
XMP Toolkit                     : XMP Core 6.0.0
Creator Tool                    : 15.1.1
Date Created                    : 2022:07:16 00:19:47
Region Area Y                   : 0.31980952380952388, 0.7420000000000001
Region Area W                   : 0.0754285714285714, 0.071238095238095267
Region Area X                   : 0.34809523809523807, 0.50314285714285711
Region Area H                   : 0.10057142857142859, 0.094285714285714306
Region Area Unit                : normalized, normalized
Region Type                     : Face, Face
Region Extensions Angle Info Yaw: 0
Region Extensions Angle Info Roll: 270
Region Extensions Confidence Level: 780
Region Extensions Face ID       : 4
Region Applied To Dimensions H  : 3168
Region Applied To Dimensions W  : 4224
Region Applied To Dimensions Unit: pixel
MPF Version                     : 0100
Number Of Images                : 2
MP Image Flags                  : (none)
MP Image Format                 : JPEG
MP Image Type                   : Undefined
MP Image Length                 : 292868
MP Image Start                  : 2895485
Dependent Image 1 Entry Number  : 0
Dependent Image 2 Entry Number  : 0
Profile CMM Type                : Apple Computer Inc.
Profile Version                 : 4.0.0
Profile Class                   : Display Device Profile
Color Space Data                : RGB
Profile Connection Space        : XYZ
Profile Date Time               : 2017:07:07 13:22:32
Profile File Signature          : acsp
Primary Platform                : Apple Computer Inc.
CMM Flags                       : Not Embedded, Independent
Device Manufacturer             : Apple Computer Inc.
Device Model                    : 
Device Attributes               : Reflective, Glossy, Positive, Color
Rendering Intent                : Perceptual
Connection Space Illuminant     : 0.9642 1 0.82491
Profile Creator                 : Apple Computer Inc.
Profile ID                      : ca1a9582257f104d389913d5d1ea1582
Profile Description             : Display P3
Profile Copyright               : Copyright Apple Inc., 2017
Media White Point               : 0.95045 1 1.08905
Red Matrix Column               : 0.51512 0.2412 -0.00105
Green Matrix Column             : 0.29198 0.69225 0.04189
Blue Matrix Column              : 0.1571 0.06657 0.78407
Red Tone Reproduction Curve     : (Binary data 32 bytes, use -b option to extract)
Chromatic Adaptation            : 1.04788 0.02292 -0.0502 0.02959 0.99048 -0.01706 -0.00923 0.01508 0.75168
Blue Tone Reproduction Curve    : (Binary data 32 bytes, use -b option to extract)
Green Tone Reproduction Curve   : (Binary data 32 bytes, use -b option to extract)
Image Width                     : 4032
Image Height                    : 3024
Encoding Process                : Baseline DCT, Huffman coding
Bits Per Sample                 : 8
Color Components                : 3
Y Cb Cr Sub Sampling            : YCbCr4:2:0 (2 2)
Run Time Since Power Up         : 10 days 22:26:55
Aperture                        : 1.6
Image Size                      : 4032x3024
Megapixels                      : 12.2
Scale Factor To 35 mm Equivalent: 6.2
Shutter Speed                   : 1/25
Create Date                     : 2022:07:16 00:19:47.229+02:00
Date/Time Original              : 2022:07:16 00:19:47.229+02:00
Modify Date                     : 2022:07:16 00:19:47+02:00
GPS Altitude                    : 2.1 m Above Sea Level
GPS Latitude                    : 52 deg 22' 23.48" N
GPS Longitude                   : 4 deg 53' 58.17" E
MP Image 2                      : (Binary data 292868 bytes, use -b option to extract)
Circle Of Confusion             : 0.005 mm
Field Of View                   : 69.4 deg
Focal Length                    : 4.2 mm (35 mm equivalent: 26.0 mm)
GPS Position                    : 52 deg 22' 23.48" N, 4 deg 53' 58.17" E
Hyperfocal Distance             : 2.27 m
Light Value                     : 2.7
Lens ID                         : iPhone 12 back dual wide camera 4.2mm f/1.6

[leon-richardt]

libvips can correct orientation based on EXIF tags relatively easily: https://pkg.go.dev/github.com/davidbyttow/govips/v2/vips#ImageRef.AutoRotate