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Make compatible with browserify

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Yarmo Mackenbach 2021-04-19 11:41:40 +02:00
parent 373d6eedf6
commit 66cc419ad3
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GPG key ID: 37367F4AF4087AD1
1 changed files with 88 additions and 95 deletions
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183
src/claim.js
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@ -28,12 +28,6 @@ const E = require('./enums')
* @class * @class
*/ */
class Claim { class Claim {
#uri
#fingerprint
#state
#dataMatches
#verification
/** /**
* Initialize a Claim object * Initialize a Claim object
* @constructor * @constructor
@ -41,6 +35,24 @@ class Claim {
* @param {string} [fingerprint] - The fingerprint of the OpenPGP key * @param {string} [fingerprint] - The fingerprint of the OpenPGP key
*/ */
constructor(uri, fingerprint) { constructor(uri, fingerprint) {
// Import JSON
if ('claimVersion' in uri) {
switch (data.claimVersion) {
case 1:
this.uri = data.uri
this.fingerprint = data.fingerprint
this.state = data.state
this.dataMatches = data.dataMatches
this.verification = data.verification
break
default:
throw new Error('Invalid claim version')
break
}
return
}
// Verify validity of URI // Verify validity of URI
if (uri && !validUrl.isUri(uri)) { if (uri && !validUrl.isUri(uri)) {
throw new Error('Invalid URI') throw new Error('Invalid URI')
@ -54,57 +66,11 @@ class Claim {
} }
} }
this.#uri = uri ? uri : null this.uri = uri ? uri : null
this.#fingerprint = fingerprint ? fingerprint : null this.fingerprint = fingerprint ? fingerprint : null
this.#state = Claim.State.INIT this.state = E.ClaimState.INIT
this.#dataMatches = null this.dataMatches = null
this.#verification = null this.verification = null
}
/**
* Enum for the current verification state of the claim
* @readonly
* @enum {string}
*/
static State = {
INIT: 'init',
MATCHED: 'matched',
VERIFIED: 'verified',
}
/**
* Generate a claim object from a JSON object
* @static
* @function
* @param {object} data - JSON data
* @returns {Claim}
*/
static fromJSON(data) {
switch (data.claimVersion) {
case 1:
const claim = new Claim()
claim.#uri = data.uri
claim.#fingerprint = data.fingerprint
claim.#state = data.state
claim.#dataMatches = data.dataMatches
claim.#verification = data.verification
return claim
break
default:
throw new Error('Invalid claim version')
break
}
}
/**
* Get the default options used for verification
* @static
* @function
* @returns {object}
*/
static get defaultOpts() {
return defaults.opts
} }
/** /**
@ -113,7 +79,7 @@ class Claim {
* @returns {string} * @returns {string}
*/ */
get uri() { get uri() {
return this.#uri return this.uri
} }
/** /**
@ -122,7 +88,7 @@ class Claim {
* @returns {string} * @returns {string}
*/ */
get fingerprint() { get fingerprint() {
return this.#fingerprint return this.fingerprint
} }
/** /**
@ -131,7 +97,7 @@ class Claim {
* @returns {string} * @returns {string}
*/ */
get state() { get state() {
return this.#state return this.state
} }
/** /**
@ -140,10 +106,10 @@ class Claim {
* @returns {object} * @returns {object}
*/ */
get matches() { get matches() {
if (this.#state === Claim.State.INIT) { if (this.state === E.ClaimState.INIT) {
throw new Error('This claim has not yet been matched') throw new Error('This claim has not yet been matched')
} }
return this.#dataMatches return this.dataMatches
} }
/** /**
@ -152,10 +118,10 @@ class Claim {
* @returns {object} * @returns {object}
*/ */
get result() { get result() {
if (this.#state !== Claim.State.VERIFIED) { if (this.state !== E.ClaimState.VERIFIED) {
throw new Error('This claim has not yet been verified') throw new Error('This claim has not yet been verified')
} }
return this.#verification return this.verification
} }
/** /**
@ -164,7 +130,7 @@ class Claim {
* @param {string} uri - The new claim URI * @param {string} uri - The new claim URI
*/ */
set uri(uri) { set uri(uri) {
if (this.#state !== Claim.State.INIT) { if (this.state !== E.ClaimState.INIT) {
throw new Error('Cannot change the URI, this claim has already been matched') throw new Error('Cannot change the URI, this claim has already been matched')
} }
// Verify validity of URI // Verify validity of URI
@ -174,19 +140,46 @@ class Claim {
// Remove leading and trailing spaces // Remove leading and trailing spaces
uri = uri.replace(/^\s+|\s+$/g, '') uri = uri.replace(/^\s+|\s+$/g, '')
this.#uri = uri this.uri = uri
} }
/** /**
* Set the claim's fingerprint to verify against * Set the claim's fingerprint to verify against
* @function * @function
* @param {string} fingerprint - The new fingerprin * @param {string} fingerprint - The new fingerprint
*/ */
set fingerprint(fingerprint) { set fingerprint(fingerprint) {
if (this.#state === Claim.State.VERIFIED) { if (this.state === E.ClaimState.VERIFIED) {
throw new Error('Cannot change the fingerprint, this claim has already been verified') throw new Error('Cannot change the fingerprint, this claim has already been verified')
} }
this.#fingerprint = fingerprint this.fingerprint = fingerprint
}
/**
* Throw error when attempting to alter the state
* @function
* @param anything - Anything will throw an error
*/
set state(anything) {
throw new Error('Cannot change a claim\'s state')
}
/**
* Throw error when attempting to alter the dataMatches
* @function
* @param anything - Anything will throw an error
*/
set dataMatches(anything) {
throw new Error('Cannot change a claim\'s dataMatches')
}
/**
* Throw error when attempting to alter the verification data
* @function
* @param anything - Anything will throw an error
*/
set verification(anything) {
throw new Error('Cannot change a claim\'s verification data')
} }
/** /**
@ -194,30 +187,30 @@ class Claim {
* @function * @function
*/ */
match() { match() {
if (this.#state !== Claim.State.INIT) { if (this.state !== E.ClaimState.INIT) {
throw new Error('This claim was already matched') throw new Error('This claim was already matched')
} }
if (this.#uri === null) { if (this.uri === null) {
throw new Error('This claim has no URI') throw new Error('This claim has no URI')
} }
this.#dataMatches = [] this.dataMatches = []
claimDefinitions.list.every((name, i) => { claimDefinitions.list.every((name, i) => {
const def = claimDefinitions.data[name] const def = claimDefinitions.data[name]
// If the candidate is invalid, continue matching // If the candidate is invalid, continue matching
if (!def.reURI.test(this.#uri)) { if (!def.reURI.test(this.uri)) {
return true return true
} }
const candidate = def.processURI(this.#uri) const candidate = def.processURI(this.uri)
if (candidate.match.isAmbiguous) { if (candidate.match.isAmbiguous) {
// Add to the possible candidates // Add to the possible candidates
this.#dataMatches.push(candidate) this.dataMatches.push(candidate)
} else { } else {
// Set a single candidate and stop // Set a single candidate and stop
this.#dataMatches = [ this.dataMatches = [
candidate candidate
] ]
return false return false
@ -227,7 +220,7 @@ class Claim {
return true return true
}) })
this.#state = Claim.State.MATCHED this.state = E.ClaimState.MATCHED
} }
/** /**
@ -240,13 +233,13 @@ class Claim {
* @param {object} [opts] - Options for proxy, fetchers * @param {object} [opts] - Options for proxy, fetchers
*/ */
async verify(opts) { async verify(opts) {
if (this.#state === Claim.State.INIT) { if (this.state === E.ClaimState.INIT) {
throw new Error('This claim has not yet been matched') throw new Error('This claim has not yet been matched')
} }
if (this.#state === Claim.State.VERIFIED) { if (this.state === E.ClaimState.VERIFIED) {
throw new Error('This claim has already been verified') throw new Error('This claim has already been verified')
} }
if (this.#fingerprint === null) { if (this.fingerprint === null) {
throw new Error('This claim has no fingerprint') throw new Error('This claim has no fingerprint')
} }
@ -254,8 +247,8 @@ class Claim {
opts = mergeOptions(defaults.opts, opts ? opts : {}) opts = mergeOptions(defaults.opts, opts ? opts : {})
// For each match // For each match
for (let index = 0; index < this.#dataMatches.length; index++) { for (let index = 0; index < this.dataMatches.length; index++) {
const claimData = this.#dataMatches[index] const claimData = this.dataMatches[index]
let verificationResult, let verificationResult,
proofData = null, proofData = null,
@ -269,7 +262,7 @@ class Claim {
if (proofData) { if (proofData) {
// Run the verification process // Run the verification process
verificationResult = verifications.run(proofData.result, claimData, this.#fingerprint) verificationResult = verifications.run(proofData.result, claimData, this.fingerprint)
verificationResult.proof = { verificationResult.proof = {
fetcher: proofData.fetcher, fetcher: proofData.fetcher,
viaProxy: proofData.viaProxy, viaProxy: proofData.viaProxy,
@ -291,15 +284,15 @@ class Claim {
if (verificationResult.completed) { if (verificationResult.completed) {
// Store the result, keep a single match and stop verifying // Store the result, keep a single match and stop verifying
this.#verification = verificationResult this.verification = verificationResult
this.#dataMatches = [ this.dataMatches = [
claimData claimData
] ]
index = this.#dataMatches.length index = this.dataMatches.length
} }
} }
this.#state = Claim.State.VERIFIED this.state = E.ClaimState.VERIFIED
} }
/** /**
@ -310,13 +303,13 @@ class Claim {
* @returns {boolean} * @returns {boolean}
*/ */
isAmbiguous() { isAmbiguous() {
if (this.#state === Claim.State.INIT) { if (this.state === E.ClaimState.INIT) {
throw new Error('The claim has not been matched yet') throw new Error('The claim has not been matched yet')
} }
if (this.#dataMatches.length === 0) { if (this.dataMatches.length === 0) {
throw new Error('The claim has no matches') throw new Error('The claim has no matches')
} }
return this.#dataMatches.length > 1 || this.#dataMatches[0].match.isAmbiguous return this.dataMatches.length > 1 || this.dataMatches[0].match.isAmbiguous
} }
/** /**
@ -328,11 +321,11 @@ class Claim {
toJSON() { toJSON() {
return { return {
claimVersion: 1, claimVersion: 1,
uri: this.#uri, uri: this.uri,
fingerprint: this.#fingerprint, fingerprint: this.fingerprint,
state: this.#state, state: this.state,
dataMatches: this.#dataMatches, dataMatches: this.dataMatches,
verification: this.#verification, verification: this.verification,
} }
} }
} }