54 lines
2.2 KiB
Plaintext
54 lines
2.2 KiB
Plaintext
import dicomParser from "dicom-parser";
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import dcmjs from 'dcmjs'
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import {encoder} from "./encoder";
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export const anonymization = function (file, config) {
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return new Promise(async (resolve, reject) => {
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try {
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const reader = new FileReader()
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let AnonymizeFixedList = config.AnonymizeFixedList
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let AnonymizeNotFixedList = config.AnonymizeNotFixedList
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let DicomStoreInfo = config.DicomStoreInfo
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reader.onload = async (event) => {
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let buffer = event.target.result
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let data = dicomParser.parseDicom(new Uint8Array(buffer))
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let dataset = dcmjs.data.DicomMessage.readFile(buffer)
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for (var i = 0; i < AnonymizeFixedList.length; i++) {
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let AnonymizeFixed = AnonymizeFixedList[i]
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if (dataset.dict[AnonymizeFixed.Group + AnonymizeFixed.Element]) {
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dataset.dict[AnonymizeFixed.Group + AnonymizeFixed.Element].Value[0] = AnonymizeFixed.ReplaceValue
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} else {
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dataset.dict[AnonymizeFixed.Group + AnonymizeFixed.Element] = {
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vr: AnonymizeFixed.ValueRepresentation,
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Value: [
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AnonymizeFixed.ReplaceValue
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]
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}
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}
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}
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for (var i = 0; i < AnonymizeNotFixedList.length; i++) {
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let AnonymizeNotFixed = AnonymizeNotFixedList[i]
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if (dataset.dict[AnonymizeNotFixed.Group + AnonymizeNotFixed.Element]) {
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dataset.dict[AnonymizeNotFixed.Group + AnonymizeNotFixed.Element].Value[0] = DicomStoreInfo[AnonymizeNotFixed.ReplaceValue] ? DicomStoreInfo[AnonymizeNotFixed.ReplaceValue].toString() : ''
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} else {
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dataset.dict[AnonymizeNotFixed.Group + AnonymizeNotFixed.Element] = {
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vr: AnonymizeNotFixed.ValueRepresentation,
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Value: [
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DicomStoreInfo[AnonymizeNotFixed.ReplaceValue]
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]
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}
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}
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}
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let newDicomFile = dataset.write()
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const bufferArray = new Uint8Array(newDicomFile)
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const blob = new Blob([bufferArray], { type: 'application/octet-stream' })
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resolve({blob, data})
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};
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reader.readAsArrayBuffer(file);
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} catch (e) {
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console.log(e)
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reject(e)
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}
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})
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}
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