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core.mjs
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import dotenv from 'dotenv'
dotenv.config()
import axios from 'axios'
import Case from 'case'
import crypto from 'crypto'
import fs from 'fs'
import { createSigner, httpbis } from 'http-message-signatures'
import { parseFullName } from 'parse-full-name'
import * as jose from 'jose'
import * as marked from 'marked'
import moment from 'moment-timezone'
import objectPath from 'object-path'
import pluralize from 'pluralize'
import PouchDB from 'pouchdb'
import settings from './settings.mjs'
import { v4 as uuidv4 } from 'uuid'
import PouchDBFind from 'pouchdb-find'
PouchDB.plugin(PouchDBFind)
import comdb from 'comdb'
PouchDB.plugin(comdb)
function addSchemaOptions(id, arr, val, label, schema, system='') {
const options = []
for (const a of arr) {
const b = {}
if (a[val] !== undefined && a[val] !== 'notSelectable' ) {
b.value = a[val]
b.label = a[label]
if (system !== '') {
b.system = system
}
options.push(b)
}
}
for (const c in schema) {
if (Array.isArray(schema[c])) {
for (const d in schema[c]) {
if (id == schema[c][d].id) {
if (objectPath.has(schema, c + '.' + d + '.options')) {
objectPath.set(schema, c + '.' + d + '.options', objectPath.get(schema, c + '.' + d + '.options').concat(options))
} else {
objectPath.set(schema, c + '.' + d + '.options', options)
}
}
}
} else {
if (id == schema[c].id) {
if (objectPath.has(schema, c + '.options')) {
objectPath.set(schema, c + '.options', objectPath.get(schema, c + '.options').concat(options))
} else {
objectPath.set(schema, c + '.options', options)
}
}
}
}
return schema
}
async function couchdbConfig(section, key, value) {
const opts = JSON.parse(JSON.stringify(settings.couchdb_auth))
objectPath.set(opts, 'headers', {'Content-Type': 'application/json'})
const data = JSON.stringify(value).replace(/\\/g, "\\\\")
try {
const res = await axios.put(settings.couchdb_uri + '/_node/_local/_config/' + section + '/' + key, data, opts)
return res.data
} catch (e) {
console.log(e.response.data)
return e
}
}
async function couchdbDatabase(patient_id='', protocol='', hostname='', email='') {
const resources = JSON.parse(fs.readFileSync('./assets/resources.json'))
let prefix = ''
let gnap_resources = []
const base_url = urlFix(protocol + '://' + hostname + '/')
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
prefix = patient_id + '_'
gnap_resources = [
{
"type": "App",
"actions": ["read", "write", "delete"],
"datatypes": ["json", "html"],
"identifier": patient_id,
"locations": [base_url + 'app/chart/' + patient_id],
"privileges": [email, "npi", "offline"],
"ro": email
}
]
}
for (const resource of resources.rows) {
const db_resource = new PouchDB(urlFix(settings.couchdb_uri) + prefix + resource.resource, settings.couchdb_auth)
await db_resource.info()
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
if (resource.gnap) {
if (resource.fhir) {
const gnap_resource_all = {
"type": Case.title(resource.resource),
"actions": ["read", "write", "delete"],
"datatypes": ["json"],
"identifier": patient_id,
"locations": [base_url + "fhir/api/" + patient_id + "/" + Case.pascal(pluralize.singular(resource.resource))],
"privileges": [email],
"ro": email
}
const gnap_resource_read = {
"type": Case.title(resource.resource) + " - Read Only",
"actions": ["read"],
"datatypes": ["json"],
"identifier": patient_id,
"locations": [base_url + "fhir/api/" + patient_id + "/" + Case.pascal(pluralize.singular(resource.resource))],
"privileges": [email],
"ro": email
}
gnap_resources.push(gnap_resource_all)
gnap_resources.push(gnap_resource_read)
} else {
if (resource.resource === 'timeline') {
const timeline_read = {
"type": Case.title(resource.resource) + " - Read Only",
"actions": ["read"],
"datatypes": ["text/plain"],
"identifier": patient_id,
"locations": [base_url + "api/" + patient_id + "/" + Case.pascal(pluralize.singular(resource.resource))],
"privileges": [email],
"ro": email
}
const markdown_post = {
"type": "Markdown - Write Only",
"actions": ["write"],
"datatypes": ["text/plain"],
"identifier": patient_id,
"locations": [base_url + "api/" + patient_id + "/md"],
"privileges": [email],
"ro": email
}
gnap_resources.push(timeline_read)
gnap_resources.push(markdown_post)
}
}
}
}
}
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
const keys = await getAllKeys()
const body = {
"access": gnap_resources,
"resource_server": {
"key": {
"proof": "httpsig",
"jwk": keys.publicKey
}
}
}
const req = {
hostname: hostname,
protocol: protocol
}
const signedRequest = await signRequest(body, urlFix(process.env.TRUSTEE_URL) + 'api/as/resource', 'POST', req)
try {
const doc = await fetch(urlFix(process.env.TRUSTEE_URL) + 'api/as/resource', signedRequest)
.then((res) => {
if (res.status > 400 && res.status < 600) {
return {error: res}
} else {
return res.json()
}
})
console.log(doc)
} catch (e) {
console.log(e)
}
}
await eventAdd('Chart Created', {id: 'system', display: 'System', doc_db: null, doc_id: null, diff: null}, patient_id)
}
async function couchdbInstall() {
const keys = await getKeys()
if (keys.length === 0) {
const pair = await createKeyPair()
keys.push(pair)
}
const key = await jose.importJWK(keys[0].publicKey)
const pem = await jose.exportSPKI(key)
const result = []
const commands = [
{section: 'jwt_keys', key: 'rsa:_default', value: pem}
]
for (const command of commands) {
const a = await couchdbConfig(command.section, command.key, command.value)
result.push({command: command, result: a})
}
await couchdbRestart()
await sleep(5)
return result
}
async function couchdbRestart() {
const opts = settings.couchdb_auth
objectPath.set(opts, 'headers', {'Content-Type': 'application/json'})
try {
const res = await axios.post(settings.couchdb_uri + '/_node/_local/_restart', '', opts)
objectPath.del(opts, 'headers')
return res.data
} catch (e) {
console.log(e.response.data)
return e
}
}
async function couchdbUpdate(patient_id='', protocol='', hostname='') {
const resources = JSON.parse(fs.readFileSync('./assets/resources.json'))
let prefix = ''
let email = ''
let gnap_resources = []
let base_url = ''
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
prefix = patient_id + '_'
base_url = urlFix(protocol + '://' + hostname + '/')
const db_users = new PouchDB(urlFix(settings.couchdb_uri) + prefix + 'users', settings.couchdb_auth)
const result_users = await db_users.find({selector: {'role': {"$eq": 'patient'}}})
email = result_users.docs[0].email
}
for (const resource of resources.rows) {
const opts = JSON.parse(JSON.stringify(settings.couchdb_auth))
objectPath.set(opts, 'skip_setup', true)
const check = new PouchDB(urlFix(settings.couchdb_uri) + prefix + resource.resource, opts)
const info = await check.info()
if (objectPath.has(info, 'error')) {
const db_resource = new PouchDB(urlFix(settings.couchdb_uri) + prefix + resource.resource, settings.couchdb_auth)
await db_resource.info()
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
if (resource.gnap) {
if (resource.fhir) {
const gnap_resource_all = {
"type": Case.title(resource.resource),
"actions": ["read", "write", "delete"],
"datatypes": ["json"],
"identifier": patient_id,
"locations": [base_url + "fhir/api/" + patient_id + "/" + Case.pascal(pluralize.singular(resource.resource))],
"privileges": [email],
"ro": email
}
const gnap_resource_read = {
"type": Case.title(resource.resource) + " - Read Only",
"actions": ["read"],
"datatypes": ["json"],
"identifier": patient_id,
"locations": [base_url + "fhir/api/" + patient_id + "/" + Case.pascal(pluralize.singular(resource.resource))],
"privileges": [email],
"ro": email
}
gnap_resources.push(gnap_resource_all)
gnap_resources.push(gnap_resource_read)
} else {
if (resource.resource === 'timeline') {
const timeline_read = {
"type": Case.title(resource.resource) + " - Read Only",
"actions": ["read"],
"datatypes": ["text/plain"],
"identifier": patient_id,
"locations": [base_url + "api/" + patient_id + "/" + Case.pascal(pluralize.singular(resource.resource))],
"privileges": [email],
"ro": email
}
const markdown_post = {
"type": "Markdown - Write Only",
"actions": ["write"],
"datatypes": ["text/plain"],
"identifier": patient_id,
"locations": [base_url + "api/" + patient_id + "/md"],
"privileges": [email],
"ro": email
}
gnap_resources.push(timeline_read)
gnap_resources.push(markdown_post)
}
}
}
}
}
}
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
if (gnap_resources.length > 0) {
const keys = await getAllKeys()
const body = {
"access": gnap_resources,
"resource_server": {
"key": {
"proof": "httpsig",
"jwk": keys.publicKey
}
}
}
const req = {
hostname: hostname,
protocol: protocol
}
const signedRequest = await signRequest(body, urlFix(process.env.TRUSTEE_URL) + 'api/as/resource', 'POST', req)
try {
const doc = await fetch(urlFix(process.env.TRUSTEE_URL) + 'api/as/resource', signedRequest)
.then((res) => {
console.log(res)
if (res.status > 400 && res.status < 600) {
return {error: res}
} else {
return res.json()
}
})
console.log(doc)
} catch (e) {
console.log(e)
}
}
}
console.log('# records updated: ' + gnap_resources.length)
return true
}
async function createKeyPair(alg='RS256') {
const { publicKey, privateKey } = await jose.generateKeyPair(alg)
const public_key = await jose.exportJWK(publicKey)
const kid = uuidv4()
objectPath.set(public_key, 'kid', kid)
objectPath.set(public_key, 'alg', alg)
const private_key = await jose.exportJWK(privateKey)
objectPath.set(private_key, 'kid', kid)
objectPath.set(private_key, 'alg', alg)
const id = 'nosh_' + uuidv4()
const keys = await getKeys()
let doc = {}
if (keys.length > 0) {
doc = keys[0]
objectPath.set(doc, 'publicKey', public_key)
objectPath.set(doc, 'privateKey', private_key)
} else {
doc = {_id: id, publicKey: public_key, privateKey: private_key}
}
const db = new PouchDB(urlFix(settings.couchdb_uri) + 'keys', settings.couchdb_auth)
await db.put(doc)
return doc
}
function equals (a, b) {
if (a === b) {
return true
}
if (a instanceof Date && b instanceof Date) {
return a.getTime() === b.getTime()
}
if (!a || !b || (typeof a !== 'object' && typeof b !== 'object')) {
return a === b
}
if (a.prototype !== b.prototype) {
return false
}
const keys = Object.keys(a)
if (keys.length !== Object.keys(b).length) {
return false
}
return keys.every(k => equals(a[k], b[k]))
}
async function eventAdd(event, opts, patient_id='') {
let prefix = ''
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
prefix = patient_id + '_'
}
await sync('activities', patient_id)
const db = new PouchDB(prefix + 'activities')
// check if old version and destroy
const check = await db.allDocs({include_docs: true})
if (check.rows.length > 0) {
for (const a of check.rows) {
if (objectPath.has(a, 'doc.diff')) {
db.destroy()
const destroy_remote = new PouchDB(urlFix(settings.couchdb_uri) + prefix + 'activities', settings.couchdb_auth)
destroy_remote.destroy()
}
}
}
const db1 = new PouchDB(prefix + 'activities', {auto_compaction: true})
// check if existing day event doc, otherwise create one
const datetime = moment().startOf('day').unix()
const datetime_formal = moment().startOf('day').format('YYYY-MM-DDTHH:mm:ss.SSSZ')
const check1 = await db1.find({selector: {'datetime': {"$eq": datetime}}})
let doc = {
_id: 'nosh_' + uuidv4(),
datetime: datetime,
datetime_formal: datetime_formal,
events: []
}
if (check1.docs.length > 0) {
doc = check1.docs[0]
}
const event_item = {
event: event,
datetime: moment().format('YYYY-MM-DDTHH:mm:ss.SSSZ'),
user: opts.display,
user_id: opts.id,
doc_db: opts.doc_db,
doc_id: opts.doc_id,
diff: opts.diff
}
doc.events.push(event_item)
await db1.put(doc)
await sync('activities', patient_id)
}
async function eventUser(res, opts, prefix) {
const db_users = new PouchDB(urlFix(settings.couchdb_uri) + prefix + 'users', settings.couchdb_auth)
const result_users = await db_users.find({selector: {'email': {"$eq": objectPath.get(res, 'locals.payload.sub')}}})
if (result_users.docs.length > 0) {
objectPath.set(opts, 'id', result_users.docs[0].id)
objectPath.set(opts, 'display', result_users.docs[0].display)
} else {
objectPath.set(opts, 'id', objectPath.get(res, 'locals.payload.sub'))
objectPath.set(opts, 'display', objectPath.get(res, 'locals.payload.sub'))
}
return opts
}
function fetchJSON(json) {
return JSON.parse(fs.readFileSync('./assets/' + json + '.json'))
}
function fhirDisplay(field, index='0') {
let model = field.display
if (typeof field.modelParent !== 'undefined') {
model = field.modelParent + '.0.'
if (typeof field.modelRoot !== 'undefined') {
if (field.modelArray == false) {
model += field.modelRoot + '.' + field.display
} else {
if (field.multiple == true) {
model += field.modelRoot + '.' + index + '.' + field.display
} else {
model += field.modelRoot + '.0.' + field.display
}
}
}
} else {
if (typeof field.modelRoot !== 'undefined') {
if (field.modelArray == false) {
model = field.modelRoot + '.' + field.display
} else {
if (field.multiple == true) {
model = field.modelRoot + '.' + index + '.' + field.display
} else {
model = field.modelRoot + '.0.' + field.display
}
}
}
}
return model
}
function fhirModel(field) {
let model = field.model
if (typeof field.modelParent !== 'undefined') {
model = field.modelParent + '.0.'
if (typeof field.modelRoot !== 'undefined') {
if (field.modelArray == false) {
model += field.modelRoot + '.' + field.model
} else {
if (field.multiple == true) {
model += field.modelRoot
} else {
model += field.modelRoot + '.0.' + field.model
}
}
}
} else {
if (typeof field.modelRoot !== 'undefined') {
if (field.modelArray == false) {
model = field.modelRoot + '.' + field.model
} else {
if (field.multiple == true) {
model = field.modelRoot
} else {
model = field.modelRoot + '.0.' + field.model
}
}
}
}
return model
}
function fhirReplace(key, base, result, uiSchema) {
const row = base.uiListContent[key]
let str = ''
let field = ''
let model = ''
let display_model = ''
if (key === 'content') {
const models = []
for (const a in base.uiListContent.contentFields) {
field = uiSchema.find(({ id }) => id === base.uiListContent.contentFields[a])
if (field !== undefined) {
model = fhirModel(field)
const obj = {}
if (objectPath.has(result, model)) {
obj['key'] = field.label
obj['value'] = objectPath.get(result, model)
if (typeof field.modelOne !== 'undefined') {
if (objectPath.has(result, model + '.' + field.modelOne + '.' + field.modelEnd)) {
obj['value'] = objectPath.get(result, model + '.' + field.modelOne + '.' + field.modelEnd)
}
if (objectPath.has(result, model + '.' + field.modelRange[0] + '.' + field.modelEnd)) {
obj['value'] = objectPath.get(result, model + '.' + field.modelRange[0] + '.' + field.modelEnd)
obj['value'] += ' to '
obj['value'] += objectPath.get(result, model + '.' + field.modelRange[1] + '.' + field.modelEnd)
}
}
if (typeof field.modelChoice !== 'undefined') {
for (const b in field.modelChoice) {
if (objectPath.has(result, model + '.' + field.modelChoice[b] + '.' + field.modelEnd)) {
obj['value'] = objectPath.get(result, model + '.' + field.modelChoice[b] + '.' + field.modelEnd)
}
}
}
if (typeof field.text !== 'undefined') {
if (objectPath.has(result, model + '.' + field.text)) {
obj['value'] = objectPath.get(result, model + '.' + field.text)
}
}
if (obj['value'] !== undefined && obj['value'] !== '') {
if (typeof field.options !== 'undefined') {
if (field.multiple === true) {
if (Array.isArray(obj['value'])) {
let value = ''
for (const c in obj['value']) {
let d = {}
if (typeof field.modelRoot !== 'undefined') {
d = field.options.find(({ value }) => value === objectPath.get(obj['value'], c + '.' + field.model))
} else {
d = field.options.find(({ value }) => value === obj['value'][c])
}
if (c !== '0') {
value += '; '
}
if (d !== undefined) {
value += d.label
} else {
if (objectPath.has(field, 'display')) {
const displayModel = fhirDisplay(field, c)
value += objectPath.get(result, displayModel)
} else {
value += obj['value']
}
}
}
obj['value'] = value
} else {
const e = field.options.find(({ value }) => value === obj['value'])
if (e !== undefined) {
obj['value'] = e.label
} else {
if (objectPath.has(field, 'display')) {
const displayModel1 = fhirDisplay(field)
obj['value'] = objectPath.get(result, displayModel1)
}
}
}
} else {
const f = field.options.find(({ value }) => value === obj['value'])
if (f !== undefined) {
obj['value'] = f.label
} else {
if (objectPath.has(field, 'display')) {
const displayModel2 = fhirDisplay(field)
obj['value'] = objectPath.get(result, displayModel2)
}
}
}
}
if (base.fhir.resourceType == 'Composition' && field.id == 'text') {
obj['value'] = removeTags(obj['value'])
}
models.push(obj)
} else {
if (model.split('.').slice(-2).join('.') === 'coding.0.display') {
const alt_model = model.replace('coding.0.display', 'text')
if (objectPath.has(result, alt_model)) {
obj['value'] = objectPath.get(result, alt_model)
} else {
obj['value'] = ''
}
} else {
obj['value'] = ''
}
}
}
}
}
return models
} else {
const found = []
let rxp = /{([^}]+)}/g
let curMatch
let replaceWith = []
let mapping = {}
str = row
while((curMatch = rxp.exec(str))) {
found.push(curMatch[1])
}
for (const g in found) {
field = uiSchema.find(({ id }) => id === found[g])
model = fhirModel(field)
if (objectPath.has(result, model)) {
replaceWith[g] = objectPath.get(result, model)
if (typeof field.options !== 'undefined') {
if (field.multiple === true) {
if (Array.isArray(replaceWith[g])) {
let value = ''
for (const h in replaceWith[g]) {
let i = {}
if (typeof field.modelRoot !== 'undefined') {
i = field.options.find(({ value }) => value === replaceWith[g][h][field.model])
} else {
i = field.options.find(({ value }) => value === replaceWith[g][h])
}
if (h !== '0') {
value += '; '
}
if (i !== undefined) {
value += i.label
} else {
display_model = fhirDisplay(field)
if (objectPath.has(result, display_model)) {
value = objectPath.get(result, display_model)
} else {
if (objectPath.has(field, 'alt_label_model')) {
if (objectPath.has(result, objectPath.get(field, 'alt_label_model'))) {
value = objectPath.get(result, objectPath.get(field, 'alt_label_model'))
}
}
}
}
}
replaceWith[g] = value
} else {
const j = field.options.find(({ value }) => value === replaceWith[g])
if (j !== undefined) {
replaceWith[g] = j.label
} else {
display_model = fhirDisplay(field)
if (objectPath.has(result, display_model)) {
replaceWith[g] = objectPath.get(result, display_model)
} else {
if (objectPath.has(field, 'alt_label_model')) {
if (objectPath.has(result, objectPath.get(field, 'alt_label_model'))) {
replaceWith[g] = objectPath.get(result, objectPath.get(field, 'alt_label_model'))
}
}
}
}
}
} else {
const k = field.options.find(({ value }) => value === replaceWith[g])
if (k !== undefined) {
replaceWith[g] = k.label
} else {
display_model = fhirDisplay(field)
if (objectPath.has(result, display_model)) {
replaceWith[g] = objectPath.get(result, display_model)
} else {
if (objectPath.has(field, 'alt_label_model')) {
if (objectPath.has(result, objectPath.get(field, 'alt_label_model'))) {
replaceWith[g] = objectPath.get(result, objectPath.get(field, 'alt_label_model'))
}
}
}
}
}
}
} else {
if (model.split('.').slice(-3).join('.') === 'coding.0.display') {
const alt_model = model.replace('coding.0.display', 'text')
if (objectPath.has(result, alt_model)) {
replaceWith[g] = objectPath.get(result, alt_model)
}
}
if (replaceWith[g] === undefined) {
if (objectPath.has(field, 'alt_model')) {
const alt_model1 = objectPath.get(field, 'alt_model')
if (objectPath.has(result, alt_model1)) {
replaceWith[g] = objectPath.get(result, alt_model1)
} else {
replaceWith[g] = 'Not Defined'
}
} else {
replaceWith[g] = 'Not Defined'
}
}
}
}
found.forEach((e,i) => mapping[`{${e}}`] = replaceWith[i])
str = str.replace(/\{\w+\}/ig, n => mapping[n])
return str
}
}
async function getAllKeys() {
const keys = []
let publicKey = ''
let trustee_key = null
// Trustee key
try {
trustee_key = await axios.get(urlFix(process.env.TRUSTEE_URL) + 'api/as/jwks')
if (trustee_key !== null && trustee_key.status === 200 && objectPath.has(trustee_key, 'data.key')) {
keys.push(trustee_key.data.key)
}
// Local key
const db = new PouchDB(urlFix(settings.couchdb_uri) + 'keys', settings.couchdb_auth)
const result = await db.find({selector: {_id: {"$gte": null}}})
for (const a in result.docs) {
keys.push(result.docs[a].publicKey)
if (objectPath.has(result, 'docs.' + a + '.privateKey')) {
publicKey = result.docs[a].publicKey
}
}
return {keys: keys, publicKey: publicKey}
} catch (err) {
console.log(err)
}
}
async function getKeys() {
const db = new PouchDB(urlFix(settings.couchdb_uri) + 'keys', settings.couchdb_auth)
const result = await db.find({selector: {_id: {"$gte": null}, privateKey: {"$gte": null}}})
return result.docs
}
function getName(vc) {
const name = {display: ''}
let ret = {}
for (const a of vc) {
if (objectPath.has(a, 'vc.credentialSubject.name')) {
objectPath.set(name, 'display', objectPath.get(a, 'vc.credentialSubject.name'))
const parsed = parseFullName(objectPath.get(a, 'vc.credentialSubject.name'))
ret = {...name, parsed}
}
if (objectPath.has(a, 'vc.credentialSubject.firstName') && objectPath.has(a, 'vc.credentialSubject.lastName')) {
objectPath.set(name, 'display', objectPath.get(a, 'vc.credentialSubject.firstName') + ' ' + objectPath.get(a, 'vc.credentialSubject.lastName'))
ret = {...name, parsed: {
title: '',
first: objectPath.get(a, 'vc.credentialSubject.firstName'),
middle: '',
last: objectPath.get(a, 'vc.credentialSubject.lastName'),
nick: '',
suffix: ''
}}
}
}
return ret
}
function getNPI(vc) {
let npi = ''
for (const a of vc) {
if (npi === '') {
if (objectPath.has(a, 'vc.credentialSubject.npi')) {
npi = a.vc.credentialSubject.npi
}
}
}
return npi
// if (objectPath.has(vc, 'credentialSubject.fhirBundle.entry')) {
// var a = objectPath.get(vc, 'credentialSubject.fhirBundle.entry').find(b => b.resource.resourceType == 'Practitioner')
// if (a !== undefined) {
// if (objectPath.has(a.identifier)) {
// var c = objectPath.get(a, 'identifier').find(d => d.system == 'http://hl7.org/fhir/sid/us-npi')
// if (c !== undefined) {
// npi = c.value
// }
// }
// }
// }
// return npi
}
async function getPIN(patient_id) {
const db = new PouchDB('pins', {skip_setup: true})
const info = await db.info()
if (objectPath.has(info, 'error')) {
return false
}
try {
const result = await db.get(patient_id)
return result.pin
} catch (e) {
return false
}
}
async function getResource(resource, arr, patient_id) {
let prefix = ''
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
prefix = patient_id + '_'
}
const resourceDB = new PouchDB(prefix + resource)
const result = await resourceDB.allDocs({
include_docs: true,
attachments: true,
startkey: 'nosh_',
})
if (result.rows.length > 0) {
for (const a of result.rows) {
let label = 'No Name'
if (objectPath.has(a, 'doc.text.div')) {
label = removeTags(a.doc.text.div)
}
arr.push({
val: Case.pascal(pluralize.singular(resource)) + '/' + a.doc.id,
label: label
})
}
}
return arr
}
async function getTZ(patient_id) {
const db = new PouchDB('pins', {skip_setup: true})
const info = await db.info()
if (objectPath.has(info, 'error')) {
return false
}
try {
const result = await db.get(patient_id)
return result.tz
} catch (e) {
return false
}
}
async function introspect(req, jwt, method, location) {
try {
const a = await fetch(urlFix(process.env.TRUSTEE_URL) + '/api/as/.well-known/gnap-as-rs')
.then((res) => res.json())
const keys = await getAllKeys()
const body = {
"access_token": jwt,
"proof": "httpsig",
"resource_server": {
"key": {
"proof": "httpsig",
"jwk": keys.publicKey
}
}
}
const signedRequest = await signRequest(body, a.introspection_endpoint, 'POST', req)
try {
const introspect = await fetch(a.introspection_endpoint, signedRequest)
.then((res) => res.json())
if (introspect.active) {
let i = 0
for (const item of introspect.access) {
if (item.locations.includes(location)) {
if (item.actions.includes(method)) {
i++
}
}
}
if (i > 0) {
return {success: true}
} else {
return {error: "locations and actions do not match"}
}
} else {
return {error: "access token invalid"}
}
} catch (e) {
console.log(e)
return {error: "unable to introspect"}
}
} catch (e) {
console.log(e)
return {error: "unable to reach GNAP AS"}
}
}
function isMarkdown(text) {
const containsNonTextTokens = (tokens) =>{
return tokens.some(token => {
// change this as per your needs
if (token.type !== 'text' && token.type !== 'paragraph' ) {
return true
}
// Check recursively for nested tokens
if (token.tokens && containsNonTextTokens(token.tokens)) {
return true
}
return false
})
}
const tokens = marked.lexer(text)
return containsNonTextTokens(tokens)
}
async function loadSelect(resource, id, schema, patient_id) {
let arr = []
if (Array.isArray(resource)) {
for (const resource0 of resource) {
arr = await getResource(resource0, arr, patient_id)
}
} else {
arr = await getResource(resource, arr, patient_id)
}
if (arr.length > 0) {
schema = addSchemaOptions(id, arr, 'val', 'label', schema)
}
return schema
}
function markdownParse(text) {
const tokens = marked.lexer(text)
const arr = []
arr.push({h4: 'Document'})
for (const token of tokens) {
if (token.type === 'heading') {
arr.push({h5: token.text})
}
if (token.type === 'paragraph') {
arr.push({p: token.text})
}
if (token.type === 'list') {
const ul_arr = []
for (const item of token.items) {
ul_arr.push(item.text)
}
arr.push({ul: ul_arr})
}
}
return arr
}
async function pollSet(patient_id, resource) {
let prefix = ''
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
prefix = patient_id + '_'
}
const db = new PouchDB(urlFix(settings.couchdb_uri) + prefix + 'sync', settings.couchdb_auth)
const sync_result = await db.find({selector: {'resource': {"$eq": resource}}, limit: 10000})
if (sync_result.docs.length > 0) {
for (const sync_doc of sync_result.docs) {
await db.remove(sync_doc)
}
}
let doc = {
'_id': 'nosh_' + uuidv4(),
'timestamp': moment().unix(),
'resource': resource
}
await db.put(doc)
return true
}
async function registerResources(patient_id='', protocol='', hostname='', email='') {
let prefix = ''
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
prefix = patient_id + '_'
}
const resources = JSON.parse(fs.readFileSync('./assets/resources.json'))
let base_url = ''
let gnap_resources = []
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
base_url = urlFix(protocol + '://' + hostname + '/')
gnap_resources = [
{
"type": "App",
"actions": ["read", "write", "delete"],
"datatypes": ["json", "html"],
"identifier": patient_id,
"locations": [base_url + 'app/chart/' + patient_id],
"privileges": [email, "npi", "offline"],
"ro": email
}
]
}
for (const resource of resources.rows) {
const db_resource = new PouchDB(urlFix(settings.couchdb_uri) + prefix + resource.resource, settings.couchdb_auth)
await db_resource.info()
if (process.env.INSTANCE === 'digitalocean' && process.env.NOSH_ROLE === 'patient') {
if (resource.gnap) {
if (resource.fhir) {
const gnap_resource_all = {
"type": Case.title(resource.resource),
"actions": ["read", "write", "delete"],
"datatypes": ["json"],
"identifier": patient_id,
"locations": [base_url + "fhir/api/" + patient_id + "/" + Case.pascal(pluralize.singular(resource.resource))],
"privileges": [email],
"ro": email
}
const gnap_resource_read = {
"type": Case.title(resource.resource) + " - Read Only",
"actions": ["read"],
"datatypes": ["json"],