Yuav ua li cas siv ExifTool tshem tawm tag nrho cov metadata los ntawm tej ntaub ntawv

Yog tias koj txhawj xeeb txog kev ceev ntiag tug ntawm koj cov duab, xav npaj ntau txhiab tus duab hauv snaps, lossis xav tau txheeb xyuas cov pov thawj ntawm cov ntaub ntawv nrog forensic precision, ExifTool yog qhov kev daws teeb meem. Cov cuab yeej kab hais kom ua no tso cai rau koj nyeem, kho, sau thiab automate cov hauj lwm nrog cov ntaub ntawv metadata nyob rau hauv countless hom nyob rau hauv ib tug txhim khu kev qha thiab hloov tau yooj yim heev.

Hauv cov kab hauv qab no, koj yuav pom dab tsi ExifTool yog dab tsi, nws siv li cas, yuav ua li cas rau nruab nws ntawm Linux, thiab yuav ua li cas siv nws cov lus txib zoo tshaj plaws rau kev ua haujlwm hauv ntiaj teb xws li rho tawm cov duab me me, nrhiav GPS kev tswj hwm, tshem tawm cov metadata rhiab, hloov npe los ntawm hnub tim, thiab txawm tias kuaj pom cov duab AI-tsim.

ExifTool yog dab tsi?

ExifTool yog ib qho kev siv hluav taws xob uas sau rau hauv Perl los ntawm Phil Harvey (thawj luam tawm xyoo 2003) uas tau dhau los ua tus qauv de facto rau kev ua hauj lwm nrog metadata. Cov cuab yeej sawv tawm rau nws qhov kev sib raug zoo nrog ntau hom metadata thiab cov tswv yim, ua rau nws zoo tagnrho rau cov neeg siv tshiab thiab cov kws tshaj lij hauv kev yees duab, cybersecurity, thiab computer forensics.

Uno de sus grandes atractivos es el Kev them nyiaj yug rau ntau tshaj 23.000 cim npe rau ntau tshaj 130 pawg sib txawv, nrog lub peev xwm los txhais cov cim kev cai. Ntxiv nrog rau kev nyeem cov ntaub ntawv, koj tuaj yeem sau cov kev hloov pauv, siv cov xwm txheej, thiab ua cov kev hloov pauv tsis yooj yim yam tsis tas yuav tsim cov ntawv plhaub sophisticated.

ExifTool yog software libre y de código abierto, nrog nws qhov chaw cia khoom muaj nyob rau ntawm GitHub thiab lub zej zog nquag uas teb cov lus nug hauv lub rooj sab laj uas Phil Harvey nws tus kheej koom. Qhov no lav cov ntaub ntawv nyob, cov piv txwv muaj txiaj ntsig, thiab cov cuab yeej txuas ntxiv hloov pauv hloov mus rau cov qauv tshiab thiab siv rooj plaub.

Metadata thiab tag: cov ntsiab lus tseem ceeb

Txhawm rau ua kom zoo dua ntawm ExifTool nws yog qhov xav tau to taub lawv yog dab tsi cov ntaub ntawv metadata: Cov ntaub ntawv embedded nyob rau hauv cov ntaub ntawv (duab, yeeb yaj duab, ntaub ntawv) uas yog tsis yooj yim pom. Cov ntaub ntawv no tau muab tso rau hauv cov cim npe, uas yog qhov tseem ceeb-tus nqi khub, thiab piav qhia txog yam ntawm cov ntaub ntawv, xws li keeb kwm, khoom siv, hnub tim, lossis kev teeb tsa.

Xav txog tias koj thaij duab nrog koj lub xov tooj ntawm tes: Ntxiv rau cov duab nws tus kheej, cov cim npe tau khaws cia xws li cov cuab yeej tsim thiab qauv, hnub thiab sijhawm ntawm kev ntes, lub koob yees duab teeb tsa (aperture, ISO, flash), thiab txawm tias GPS txoj haujlwm yog tias qhib. Ntau lub cim npe muaj qhov tseem ceeb ua ntej (piv txwv li, hom flash), tso cai rau lawv los txhais lus tsis tu ncua hla cov cuab yeej.

Nrog ExifTool nws yog ua tau extract cov ntaub ntawv tseem ceeb heev xws li fecha de creación o modificación, tus coordenadas geográficas, nws khoom siv o los shooting tsis, e incluso ntawv embedded nyob rau hauv cov duab thiab yeeb yaj duab como títulos o descripciones. Ntawm ExifTool lub vev xaib official, koj yuav pom cov ntawv teev tag nrho ntawm cov cim npe muaj rau txhua hom ntawv, uas yog qhov tseem ceeb thaum koj xav tau ib qho chaw tshwj xeeb.

 

ExifTool siv rau dab tsi?

Cov cuab yeej ci hauv peb loj fronts: extract, kho, thiab sau metadata hauv txhua hom ntaub ntawv. Qhov no txhais ua cov haujlwm tseem ceeb xws li kev txheeb xyuas qhov tseeb ntawm daim duab, txiav txim siab qhov twg nws tau coj, txheeb xyuas lub koob yees duab, kho qhov tsis raug, lossis ntxiv cov ntaub ntawv ntsig txog (kev tso cai, kev cai lij choj, kev piav qhia).

Nws tseem yog qhov tseem ceeb rau koom haum thiab ua ntaub ntawv ua haujlwm: Nrog rau ib qho kev hais kom ua, koj tuaj yeem faib cov duab los ntawm lub xyoo thiab lub hli, lossis hloov npe nrog lawv cov hnub thiab sijhawm ntes nrog kev ua tiav. Nyob rau hauv kev ruaj ntseg thiab forensic ib puag ncig, ExifTool pab soj ntsuam cov kev qhia paub thiab tuaj yeem koom nrog hauv kev tawm dag zog steganography (piv txwv li, hauv Borazuwarah-hom kev sib tw ntawm cov chaw kuaj sim).

Si te mueves Ntawm Windows, ExifTool ua ke zoo nrog lwm cov khoom siv. Muaj txawm tias kev ua qauv qhia uas rho tawm cov metadata los ntawm ntau hom ntawv los ntawm kev sib txuas cov cuab yeej los sib piv cov txiaj ntsig thiab lees paub qhov kev tshawb pom.

Kev teeb tsa ntawm Kali Linux thiab lwm yam kev faib tawm

Hauv Kali Linux thiab Debian / Ubuntu derivatives, kev teeb tsa los ntawm cov chaw khaws cia yog ncaj qha. hloov kho pob indexes thiab tom qab ntawd nruab qhov hluav taws xob:

sudo apt update
sudo apt install exiftool

Ntawm qee qhov kev faib tawm Ubuntu / Debian, exiftool kuj tseem tuaj yeem muab faib raws li Perl pob libimage-exiftool-perl. Yog tias koj xav tau, nruab qhov pob tshwj xeeb:

sudo apt install libimage-exiftool-perl

Yog tias koj txaus siab rau lub official repository version, koj tuaj yeem clone qhov project thiab sim nws nrog cov ntaub ntawv ua piv txwv. Nov yog cov kauj ruam yooj yim:

git clone https://github.com/exiftool/exiftool.git
cd exiftool
./exiftool t/images/ExifTool.jpg

Lwm qhov kev xaiv yog rub tawm pob los ntawm SourceForge, unzip nws, thiab khiav nws ncaj qha, lossis muab tso ua ke rau nruab rau hauv koj lub cev. Piv txwv li:

wget https://sourceforge.net/projects/exiftool/files/Image-ExifTool-12.16.tar.gz
tar xvf Image-ExifTool-12.16.tar.gz
cd Image-ExifTool-12.16
./exiftool t/images/ExifTool.jpg

Rau kev teeb tsa thoob ntiaj teb, nco ntsoov tias ExifTool tau sau hauv Perl, yog li koj yuav xav tau Perl thiab cov cuab yeej tsim. Qhov zoo tshaj plaws flow yuav yog:

perl Makefile.PL
make
make test
sudo make install

Pib Pib: Nyeem Metadata hauv Thib Ob

Txhawm rau sau tag nrho cov metadata ntawm cov ntaub ntawv, yooj yim khiav ExifTool ua raws li cov ntaub ntawv npe. Nws yog lub hauv paus rau kev nkag siab txog dab tsi cov ntaub ntawv koj thauj khoom rau hauv koj cov duab:

exiftool imagen.jpg

Yog tias koj xav tau saib cov cim thiab cov ntawv sau hauv hexadecimal sau, ntxiv -H modifier. Nws muaj txiaj ntsig zoo thaum kos npe tshwj xeeb lossis sib piv nrog cov ntaub ntawv thev naus laus zis:

exiftool -H imagen.jpg

Rau cov ntsiab lus ntawm cov cim npe feem ntau yam tsis muaj kev cuam tshuam rau koj nrog cov npe tag nrho, ExifTool muaj qhov shortcut – common. Txoj kev no koj tsom mus rau qhov tseem ceeb ntawm qhov pib:

 

exiftool --common imagen.jpg

Thaum koj xav pom dab tsi tshwm sim "hauv qab lub hood" thaum lub scan, qhib verbose hom nrog -v. Koj yuav pom txhua kauj ruam lub cuab yeej siv thiab nws txhais cov ntaub ntawv li cas:

exiftool -v imagen.jpg

Extract thumbnails thiab saib ua ntej

Ntau lub koob yees duab thiab xov tooj ntawm tes embed a saib ua ntej (PreviewImage) los yog tus thumbnail (ThumbnailImage) nyob rau hauv cov ntaub ntawv nws tus kheej, thiab ExifTool tau yooj yim rho tawm lawv. Rau cov ntsiab lus binary nws raug nquahu kom siv -b (binary):

exiftool -b -PreviewImage CSM30803.CR2 > vista.jpg
exiftool -b -ThumbnailImage CSM30803.CR2 > miniatura.jpg

Tus redirector> txuag cov zis rau cov ntaub ntawv tshiab, zoo meej rau kev tshawb xyuas cov framing los yog tsim cov kev saib ua ntej yam tsis tau qhib cov ntaub ntawv RAW. Nco ntsoov tias cov duab embedded no yuav muaj qhov kev daws teeb meem qis dua qhov qub.

GPS Coordinates thiab Privacy

Yog tias koj muaj GPS nquag thaum thaij duab, Kev sib koom tes feem ntau yog sau rau hauv cov metadata, uas yooj yim rau kev nco qab qhov chaw tab sis nkag siab los ntawm kev xav ntiag tug. Txoj hauv kev nrawm los nrhiav lawv ntawm Unix-zoo li system yog lim cov zis nrog grep:

exiftool <nombre_archivo> | grep GPS

Nrog rau cov txiaj ntsig no (latitude thiab longitude), koj tuaj yeem muab tso ncaj qha rau hauv Google Maps kom tau txais qhov kwv yees qhov chaw txhaj tshuaj. Yog tias koj yuav muab cov duab tso rau pej xeem, xav txog kev ntxuav cov ntaub ntawv ntawd yog li tsis txhob nthuav tawm koj qhov chaw lossis qhov chaw thib peb.

Kho kom raug, txuag, thiab rho tawm cov metadata kom zoo

Editing teb yog yooj yim li qhia daim ntawv lo thiab tus nqi tshiabExifTool yuav hloov kho cov ntaub ntawv, hwm cov ntawv sau tiv thaiv. Piv txwv li, txhawm rau teeb tsa cov ntawv sau lossis sau ntawv, koj tuaj yeem ua qee yam zoo li no:

exiftool -Comment="Hackwise Alert" imagen.jpg

Yog tias koj xav tshem tawm cov metadata (rau kev ceev ntiag tug, piv txwv li), Tus -all = modifier tshem tawm cov cim npe feem ntau, tsuas yog qhov tseem ceeb lossis tiv thaiv los ntawm hom ntawv. Siv nrog kev saib xyuas, tshwj xeeb tshaj yog rau cov khoom qub:

exiftool -all= imagen.jpg

Thaum koj xav khaws cov ntaub ntawv, koj tuaj yeem ua tau Muab cov ExifTool tso tawm rau cov ntawv nyeem rau tom qab siv lossis sib koom nrog ib tus npoj yaig. Nws yog ib qho kev xyaum zoo rau kev soj ntsuam:

exiftool imagen.jpg > meta-data.txt
cat meta-data.txt

Lub koom haum thiab loj renaming

Ib qho ntawm lub hnub qub nta ntawm ExifTool yog automate lub koom haum: luam lossis txav cov duab mus rau folders los ntawm xyoo thiab hli raws li lawv fecha de creaciónQhov piv txwv no tsim cov qauv ./newimage/YEAR/YEARS los ntawm ./oldimage:

exiftool -o '-Directory<CreateDate' -d ./newimage/%y/%y%m -r ./oldimage

Koj tuaj yeem hloov npe los ntawm kev ntes hnub thiab sijhawm nrog tus qauv zoo ib yam (zoo tagnrho rau studios, media, lossis cov kws yees duab tshwm sim). Cov lus txib no siv cov npe hauv YYMMDD-HHMMSS hom thiab cov lej nce ntxiv yog tias muaj kev sib tsoo:

exiftool '-filename<CreateDate' -d %y%m%d-%H%M%S%%-03.c.%%e -r ./imagepath

Cov -d formatting tsis tso cai rau koj ua lub npe rau koj nyiam, thiab ua ke nrog -r (recursive) koj npog subfolders yam tsis tas yuav rov ua haujlwm. Tom qab kev sim ua thawj zaug ntawm cov ntawv theej, koj yuav muaj qhov txaus txaus rau cov tsev qiv ntawv loj.

Mastering ExifTool tso koj ib kauj ruam ua ntej thaum nws los tiv thaiv koj tus kheej., cov ntaub ntawv sau tseg, tshawb xyuas cov pov thawj, lossis npaj cov ntaub ntawv tawg: nrog ob peb cov lus qhia meej, koj tuaj yeem nyeem, hloov kho, thiab ua haujlwm ua haujlwm nyuaj, rho tawm cov duab me me thiab kev tswj xyuas, txheeb xyuas qhov ua tau AI kab, thiab, qhov tseem ceeb tshaj, ua haujlwm nrog metadata kom paub meej thiab ua tau zoo.