package meta import ( "encoding/xml" "os" "strings" "time" ) // XmpDocument represents an XMP sidecar file. type XmpDocument struct { XMLName xml.Name `xml:"xmpmeta" json:"xmpmeta,omitempty"` Text string `xml:",chardata" json:"text,omitempty"` X string `xml:"x,attr" json:"x,omitempty"` Xmptk string `xml:"xmptk,attr" json:"xmptk,omitempty"` RDF struct { Text string `xml:",chardata" json:"text,omitempty"` Rdf string `xml:"rdf,attr" json:"rdf,omitempty"` Description struct { Text string `xml:",chardata" json:"text,omitempty"` About string `xml:"about,attr" json:"about,omitempty"` Xmp string `xml:"xmp,attr" json:"xmp,omitempty"` Aux string `xml:"aux,attr" json:"aux,omitempty"` ExifEX string `xml:"exifEX,attr" json:"exifex,omitempty"` Photoshop string `xml:"photoshop,attr" json:"photoshop,omitempty"` XmpMM string `xml:"xmpMM,attr" json:"xmpmm,omitempty"` Dc string `xml:"dc,attr" json:"dc,omitempty"` Tiff string `xml:"tiff,attr" json:"tiff,omitempty"` Exif string `xml:"exif,attr" json:"exif,omitempty"` XmpRights string `xml:"xmpRights,attr" json:"xmprights,omitempty"` Iptc4xmpCore string `xml:"Iptc4xmpCore,attr" json:"iptc4xmpcore,omitempty"` Iptc4xmpExt string `xml:"Iptc4xmpExt,attr" json:"iptc4xmpext,omitempty"` CreatorTool string `xml:"CreatorTool"` // ELE-L29 10.0.0.168(C431E2... ModifyDate string `xml:"ModifyDate"` // 2020-01-01T17:28:23.89961... CreateDate string `xml:"CreateDate"` // 2020-01-01T17:28:23 MetadataDate string `xml:"MetadataDate"` // 2020-01-01T17:28:23.89961... Rating string `xml:"Rating"` // 4 Lens string `xml:"Lens"` // HUAWEI P30 Rear Main Came... LensModel string `xml:"LensModel"` // HUAWEI P30 Rear Main Came... DateCreated string `xml:"DateCreated"` // 2020-01-01T17:28:25.72962... ColorMode string `xml:"ColorMode"` // 3 ICCProfile string `xml:"ICCProfile"` // sRGB IEC61966-2.1 AuthorsPosition string `xml:"AuthorsPosition"` // Maintainer DocumentID string `xml:"DocumentID"` // 2C678C1811D7095FD79CC822B... InstanceID string `xml:"InstanceID"` // 2C678C1811D7095FD79CC822B... Format string `xml:"format"` // image/jpeg Title struct { Text string `xml:",chardata" json:"text,omitempty"` Alt struct { Text string `xml:",chardata" json:"text,omitempty"` Li struct { Text string `xml:",chardata" json:"text,omitempty"` // Night Shift / Berlin / 20... Lang string `xml:"lang,attr" json:"lang,omitempty"` } `xml:"li" json:"li,omitempty"` } `xml:"Alt" json:"alt,omitempty"` } `xml:"title" json:"title,omitempty"` Creator struct { Text string `xml:",chardata" json:"text,omitempty"` Seq struct { Text string `xml:",chardata" json:"text,omitempty"` Li string `xml:"li"` // Michael Mayer } `xml:"Seq" json:"seq,omitempty"` } `xml:"creator" json:"creator,omitempty"` Description struct { Text string `xml:",chardata" json:"text,omitempty"` Alt struct { Text string `xml:",chardata" json:"text,omitempty"` Li struct { Text string `xml:",chardata" json:"text,omitempty"` // Example file for developm... Lang string `xml:"lang,attr" json:"lang,omitempty"` } `xml:"li" json:"li,omitempty"` } `xml:"Alt" json:"alt,omitempty"` } `xml:"description" json:"description,omitempty"` Subject struct { Text string `xml:",chardata" json:"text,omitempty"` Bag struct { Text string `xml:",chardata" json:"text,omitempty"` Li []string `xml:"li"` // desk, coffee, computer } `xml:"Bag" json:"bag,omitempty"` Seq struct { Text string `xml:",chardata" json:"text,omitempty"` Li []string `xml:"li"` // desk, coffee, computer } `xml:"Seq" json:"seq,omitempty"` } `xml:"subject" json:"subject,omitempty"` Rights struct { Text string `xml:",chardata" json:"text,omitempty"` Alt struct { Text string `xml:",chardata" json:"text,omitempty"` Li struct { Text string `xml:",chardata" json:"text,omitempty"` // This is an (edited) legal... Lang string `xml:"lang,attr" json:"lang,omitempty"` } `xml:"li" json:"li,omitempty"` } `xml:"Alt" json:"alt,omitempty"` } `xml:"rights" json:"rights,omitempty"` ImageWidth string `xml:"ImageWidth"` // 3648 ImageLength string `xml:"ImageLength"` // 2736 BitsPerSample struct { Text string `xml:",chardata" json:"text,omitempty"` Seq struct { Text string `xml:",chardata" json:"text,omitempty"` Li []string `xml:"li"` // 8 } `xml:"Seq" json:"seq,omitempty"` } `xml:"BitsPerSample" json:"bitspersample,omitempty"` PhotometricInterpretation string `xml:"PhotometricInterpretation"` // 2 Orientation string `xml:"Orientation"` // 0 SamplesPerPixel string `xml:"SamplesPerPixel"` // 3 YCbCrPositioning string `xml:"YCbCrPositioning"` // 1 XResolution string `xml:"XResolution"` // 72/1 YResolution string `xml:"YResolution"` // 72/1 ResolutionUnit string `xml:"ResolutionUnit"` // 2 Make string `xml:"Make"` // HUAWEI Model string `xml:"Model"` // ELE-L29 ExifVersion string `xml:"ExifVersion"` // 0210 FlashpixVersion string `xml:"FlashpixVersion"` // 0100 ColorSpace string `xml:"ColorProfile"` // 1 ComponentsConfiguration struct { Text string `xml:",chardata" json:"text,omitempty"` Seq struct { Text string `xml:",chardata" json:"text,omitempty"` Li []string `xml:"li"` // 1, 2, 3, 0 } `xml:"Seq" json:"seq,omitempty"` } `xml:"ComponentsConfiguration" json:"componentsconfiguration,omitempty"` CompressedBitsPerPixel string `xml:"CompressedBitsPerPixel"` // 95/100 PixelXDimension string `xml:"PixelXDimension"` // 3648 PixelYDimension string `xml:"PixelYDimension"` // 2736 DateTimeOriginal string `xml:"DateTimeOriginal"` // 2020-01-01T17:28:23 ExposureTime string `xml:"ExposureTime"` // 20000000/1000000000 FNumber string `xml:"FNumber"` // 180/100 ExposureProgram string `xml:"ExposureProgram"` // 2 ISOSpeedRatings struct { Text string `xml:",chardata" json:"text,omitempty"` Seq struct { Text string `xml:",chardata" json:"text,omitempty"` Li string `xml:"li"` // 200 } `xml:"Seq" json:"seq,omitempty"` } `xml:"ISOSpeedRatings" json:"isospeedratings,omitempty"` ShutterSpeedValue string `xml:"ShutterSpeedValue"` // 298973/10000 ApertureValue string `xml:"ApertureValue"` // 1695994/1000000 BrightnessValue string `xml:"BrightnessValue"` // 0/1 ExposureBiasValue string `xml:"ExposureBiasValue"` // 0/10 MaxApertureValue string `xml:"MaxApertureValue"` // 169/100 MeteringMode string `xml:"MeteringMode"` // 5 LightSource string `xml:"LightSource"` // 1 Flash struct { Text string `xml:",chardata" json:"text,omitempty"` ParseType string `xml:"parseType,attr" json:"parsetype,omitempty"` Fired string `xml:"Fired"` // False Return string `xml:"Return"` // 0 Mode string `xml:"Mode"` // 0 Function string `xml:"Function"` // False RedEyeMode string `xml:"RedEyeMode"` // False } `xml:"Flash" json:"flash,omitempty"` FocalLength string `xml:"FocalLength"` // 5580/1000 SensingMethod string `xml:"SensingMethod"` // 2 FileSource string `xml:"FileSource"` // 3 SceneType string `xml:"SceneType"` // 1 CustomRendered string `xml:"CustomRendered"` // 1 ExposureMode string `xml:"ExposureMode"` // 0 WhiteBalance string `xml:"WhiteBalance"` // 0 DigitalZoomRatio string `xml:"DigitalZoomRatio"` // 100/100 FocalLengthIn35mmFilm string `xml:"FocalLengthIn35mmFilm"` // 27 SceneCaptureType string `xml:"SceneCaptureType"` // 0 GainControl string `xml:"GainControl"` // 0 Contrast string `xml:"Contrast"` // 0 Saturation string `xml:"Saturation"` // 0 Sharpness string `xml:"Sharpness"` // 0 SubjectDistanceRange string `xml:"SubjectDistanceRange"` // 0 SubSecTime string `xml:"SubSecTime"` // 899614 SubSecTimeOriginal string `xml:"SubSecTimeOriginal"` // 899614 SubSecTimeDigitized string `xml:"SubSecTimeDigitized"` // 899614 GPSVersionID string `xml:"GPSVersionID"` // 2.2.0.0 GPSLatitude string `xml:"GPSLatitude"` // 52,27.5814N GPSLongitude string `xml:"GPSLongitude"` // 13,19.3099E GPSAltitudeRef string `xml:"GPSAltitudeRef"` // 1 GPSAltitude string `xml:"GPSAltitude"` // 0/100 GPSTimeStamp string `xml:"GPSTimeStamp"` // 2020-01-01T16:28:22Z Marked string `xml:"Marked"` // False WebStatement string `xml:"WebStatement"` // http://docs.photoprism.or... CreatorContactInfo struct { Text string `xml:",chardata" json:"text,omitempty"` ParseType string `xml:"parseType,attr" json:"parsetype,omitempty"` CiAdrExtadr string `xml:"CiAdrExtadr"` // Zimmermannstr. 37 CiAdrCity string `xml:"CiAdrCity"` // Berlin CiAdrPcode string `xml:"CiAdrPcode"` // 12163 CiAdrCtry string `xml:"CiAdrCtry"` // Germany CiTelWork string `xml:"CiTelWork"` // +49123456789 CiEmailWork string `xml:"CiEmailWork"` // hello@photoprism.org CiUrlWork string `xml:"CiUrlWork"` // https://photoprism.org/ } `xml:"CreatorContactInfo" json:"creatorcontactinfo,omitempty"` PersonInImage struct { Text string `xml:",chardata" json:"text,omitempty"` Bag struct { Text string `xml:",chardata" json:"text,omitempty"` Li string `xml:"li"` // Gopher } `xml:"Bag" json:"bag,omitempty"` } `xml:"PersonInImage" json:"personinimage,omitempty"` } `xml:"Description" json:"description,omitempty"` } `xml:"RDF" json:"rdf,omitempty"` } // Load parses an XMP file and populates document values with its contents. func (doc *XmpDocument) Load(filename string) error { data, err := os.ReadFile(filename) if err != nil { return err } return xml.Unmarshal(data, doc) } // Title returns the XMP document title. func (doc *XmpDocument) Title() string { t := doc.RDF.Description.Title.Alt.Li.Text t2 := doc.RDF.Description.Title.Text if t != "" { return SanitizeTitle(t) } else if t2 != "" { return SanitizeTitle(t2) } return "" } // Artist returns the XMP document artist. func (doc *XmpDocument) Artist() string { return SanitizeString(doc.RDF.Description.Creator.Seq.Li) } // Description returns the XMP document description. func (doc *XmpDocument) Description() string { d := doc.RDF.Description.Description.Alt.Li.Text d2 := doc.RDF.Description.Description.Text if d != "" { return SanitizeDescription(d) } else if d2 != "" { return SanitizeTitle(d2) } return "" } // Copyright returns the XMP document copyright info. func (doc *XmpDocument) Copyright() string { return SanitizeString(doc.RDF.Description.Rights.Alt.Li.Text) } // CameraMake returns the XMP document camera make name. func (doc *XmpDocument) CameraMake() string { return SanitizeString(doc.RDF.Description.Make) } // CameraModel returns the XMP document camera model name. func (doc *XmpDocument) CameraModel() string { return SanitizeString(doc.RDF.Description.Model) } // LensModel returns the XMP document lens model name. func (doc *XmpDocument) LensModel() string { return SanitizeString(doc.RDF.Description.LensModel) } // TakenAt returns the XMP document taken date. func (doc *XmpDocument) TakenAt() time.Time { taken := time.Time{} // Unknown s := SanitizeString(doc.RDF.Description.DateCreated) if s == "" { return taken } if t, err := time.Parse(time.RFC3339, s); err == nil { taken = t } else if t, err := time.Parse("2006-01-02T15:04:05.999999999", s); err == nil { taken = t } else if t, err := time.Parse("2006-01-02T15:04:05Z07:00", s); err == nil { taken = t } else if t, err := time.Parse("2006-01-02T15:04:05", s[:19]); err == nil { taken = t } return taken } // Keywords returns the XMP document keywords. func (doc *XmpDocument) Keywords() string { s := doc.RDF.Description.Subject.Seq.Li return strings.Join(s, ", ") }