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Renamed alg to algorithm

This commit is contained in:
2021-05-01 16:21:27 +02:00
parent 4ed24b18c5
commit 6e0ce1cf82

View File

@@ -29,18 +29,18 @@ class JWT {
utf8ToUint8Array(str) { utf8ToUint8Array(str) {
return Base64URL.parse(btoa(unescape(encodeURIComponent(str)))) return Base64URL.parse(btoa(unescape(encodeURIComponent(str))))
} }
async sign(payload, secret, alg = 'HS256') { async sign(payload, secret, algorithm = 'HS256') {
if (payload === null || typeof payload !== 'object') if (payload === null || typeof payload !== 'object')
throw new Error('payload must be an object') throw new Error('payload must be an object')
if (typeof secret !== 'string') if (typeof secret !== 'string')
throw new Error('secret must be a string') throw new Error('secret must be a string')
if (typeof alg !== 'string') if (typeof algorithm !== 'string')
throw new Error('alg must be a string') throw new Error('algorithm must be a string')
const importAlgorithm = this.algorithms[alg] const importAlgorithm = this.algorithms[algorithm]
if (!importAlgorithm) if (!importAlgorithm)
throw new Error('algorithm not found') throw new Error('algorithm not found')
const payloadAsJSON = JSON.stringify(payload) const payloadAsJSON = JSON.stringify(payload)
const partialToken = `${Base64URL.stringify(this.utf8ToUint8Array(JSON.stringify({ alg, typ: 'JWT' })))}.${Base64URL.stringify(this.utf8ToUint8Array(payloadAsJSON))}` const partialToken = `${Base64URL.stringify(this.utf8ToUint8Array(JSON.stringify({ alg: algorithm, typ: 'JWT' })))}.${Base64URL.stringify(this.utf8ToUint8Array(payloadAsJSON))}`
const key = await crypto.subtle.importKey('raw', this.utf8ToUint8Array(secret), importAlgorithm, false, ['sign']) const key = await crypto.subtle.importKey('raw', this.utf8ToUint8Array(secret), importAlgorithm, false, ['sign'])
const characters = payloadAsJSON.split('') const characters = payloadAsJSON.split('')
const it = this.utf8ToUint8Array(payloadAsJSON).entries() const it = this.utf8ToUint8Array(payloadAsJSON).entries()
@@ -54,17 +54,17 @@ class JWT {
const signature = await crypto.subtle.sign(importAlgorithm.name, key, this.utf8ToUint8Array(partialToken)) const signature = await crypto.subtle.sign(importAlgorithm.name, key, this.utf8ToUint8Array(partialToken))
return `${partialToken}.${Base64URL.stringify(new Uint8Array(signature))}` return `${partialToken}.${Base64URL.stringify(new Uint8Array(signature))}`
} }
async verify(token, secret, alg = 'HS256') { async verify(token, secret, algorithm = 'HS256') {
if (typeof token !== 'string') if (typeof token !== 'string')
throw new Error('token must be a string') throw new Error('token must be a string')
if (typeof secret !== 'string') if (typeof secret !== 'string')
throw new Error('secret must be a string') throw new Error('secret must be a string')
if (typeof alg !== 'string') if (typeof algorithm !== 'string')
throw new Error('alg must be a string') throw new Error('algorithm must be a string')
const tokenParts = token.split('.') const tokenParts = token.split('.')
if (tokenParts.length !== 3) if (tokenParts.length !== 3)
throw new Error('token must have 3 parts') throw new Error('token must have 3 parts')
const importAlgorithm = this.algorithms[alg] const importAlgorithm = this.algorithms[algorithm]
if (!importAlgorithm) if (!importAlgorithm)
throw new Error('algorithm not found') throw new Error('algorithm not found')
const keyData = this.utf8ToUint8Array(secret) const keyData = this.utf8ToUint8Array(secret)