doipjs/src/claimVerification.js
2020-11-03 00:25:02 +01:00

67 lines
1.8 KiB
JavaScript

const utils = require('./utils')
const runOnJson = (res, proofData, checkPath, checkClaim, checkRelation) => {
let re
if (res.isVerified || !proofData) {
return res
}
if (checkPath.length == 0) {
switch (checkRelation) {
default:
case 'contains':
re = new RegExp(checkClaim.replace('[', '\\[').replace(']', '\\]'), "gi")
res.isVerified = re.test(proofData.replace(/\r?\n|\r/, ''))
break
case 'equals':
res.isVerified = proofData.replace(/\r?\n|\r/, '').toLowerCase() == checkClaim.toLowerCase()
break
case 'oneOf':
re = new RegExp(checkClaim, "gi")
res.isVerified = re.test(proofData.join("|"))
break
}
return res
}
if (!(checkPath[0] in proofData)) {
res.errors.push('err_data_structure_incorrect')
return res
}
if (Array.isArray(proofData)) {
proofData.forEach((item, i) => {
res = runOnJson(res, item, checkPath, checkClaim, checkRelation)
})
} else if (Array.isArray(proofData[checkPath[0]])) {
proofData[checkPath[0]].forEach((item, i) => {
res = runOnJson(res, item, checkPath.slice(1), checkClaim, checkRelation)
})
} else {
res = runOnJson(res, proofData[checkPath[0]], checkPath.slice(1), checkClaim, checkRelation)
}
return res
}
const run = (proofData, spData) => {
let res = {
isVerified: false,
errors: []
}
switch (spData.proof.format) {
case 'json':
res = runOnJson(res, proofData, spData.claim.path, utils.generateClaim(spData.claim.fingerprint, spData.claim.format), spData.claim.relation)
break
case 'text':
re = new RegExp(utils.generateClaim(spData.claim.fingerprint, spData.claim.format), "gi")
res = re.test(proofData.replace(/\r?\n|\r/, ''))
break
}
return res
}
exports.run = run