byu-wabs-oauth v4.0.7
byu-wabs-oauth
Manage OAuth client grant and auth code grant access tokens for BYU's implementation of WSO2.
Table of Contents
Installation
$ npm install byu-wabs-oauth
Examples
Client Grant Token
Use this grant type for communicating from one server to another where a specific user’s permission to access data is not required.
const byuOAuth = require('byu-wabs-oauth')
;(async function () {
const oauth = await byuOAuth('<client_id>', '<client_secret>')
const token = await oauth.getClientGrantToken()
})()
Auth Code Grant Token
Use this grant type if you need the user's authorization to access data. Getting this grant type is a two step process.
- Direct the user to the authorization URL
- Get the token using the authorization code that comes in a follow up request
const byuOAuth = require('byu-wabs-oauth')
const querystring = require('querystring')
const redirectUrl = 'http://localhost:3000/'
// start a server that will listen for the OAuth code grant redirect
const server = http.createServer(async (req, res) => {
const oauth = await byuOAuth('<client_id>', '<client_secret>')
const qs = querystring.parse(req.url.split('?')[1] || '')
// if there is no code then redirect browser to authorization url
if (!qs.code) {
const url = await oauth.getAuthorizationUrl(redirectUrl)
res.setHeader('Location', url)
res.end()
// if there is a code then use the code to get the code grant token
} else {
const token = await oauth.getCodeGrantToken(qs.code, redirectUrl)
res.write(token.accessToken)
res.end()
}
});
const listener = server.listen(3000)
Create a BYU OAuth object
byuWabsOAuth (clientId: string, clientSecret: string, options: ByuJWT.Options) : Promise<ByuOAuth>
Parameters
Parameter | Type | Required | Description |
---|---|---|---|
clientId | string | Yes | The client ID or consumer key |
clientSecret | string | Yes | The client secret or consumer secret |
options | ByuJWT.Options | No | The ByuJWT Options |
Returns a Promise that resolves to an object with the following methods and properties:
Methods:
- getAuthorizationUrl - Get the URL that will provide an OAuth code grant code.
- getClientGrantToken - Get a client grant token. Use this grant type for communicating from one server to another where a specific user’s permission to access data is not required.
- getAuthCodeGrantToken - Get a code grant token. Use this grant type if you need the user's authorization to access data.
- refreshToken - Use a refresh token to get a new token object.
- revokeToken - Use to revoke an access token and / or refresh token.
Properties:
- authorizationEndpoint
- idTokenSigningAlgorithmValuesSupported
- issuer
- jwksUri
- responseTypesSupported
- revocationEndpoint
- scopesSupported
- subjectTypesSupported
- tokenEndpoint
- userInfoEndpoint
Example
const byuOAuth = require('byu-wabs-oauth')
const oauth = await byuOauth('<client_id>', '<client_secret>')
getAuthorizationUrl
getAuthorizationUrl ( redirectUri: string [, state: string ] ): Promise<string>
Get the URL that needs to be visited to acquire an auth code grant code.
Parameters
Parameter | Type | Required | Description |
---|---|---|---|
redirectUri | string | Yes | The URL that the API manager will redirect to after the user has authorized the application. |
state | string | No | State information to add to the URL. You can read this state information when the redirectUri is called. |
Returns a Promise that resolves to the URL.
Example
;(async () => {
const byuOAuth = require('byu-wabs-oauth')
const oauth = await byuOauth('<client_id>', '<client_secret>')
const url = await oauth.getAuthorizationUrl('https://my-server.com', 'state info')
})()
getClientGrantToken
getClientGrantToken (): Promise<Token>
Get a client grant token.
Parameters
None
Returns a Promise that resolves to a token.
Example
;(async () => {
const byuOAuth = require('byu-wabs-oauth')
const oauth = await byuOauth('<client_id>', '<client_secret>')
const token = await oauth.getClientGrantToken()
})()
getAuthCodeGrantToken
getAuthCodeGrantToken ( code: string, redirectUri: string): Promise<Token>
Get a code grant token.
Parameters
Parameter | Type | Required | Description |
---|---|---|---|
code | string | Yes | The code grant code that signifies authorization |
redirectUri | string | Yes | The original URI specified when calling the getAuthorizationUrl function. |
Returns a Promise that resolves to a token.
Example
See the Code Grant Token example.
refreshToken
refreshToken ( refreshToken: string ): Promise<Token>
Get a new access token using a refresh token.
Parameters
Parameter | Type | Required | Description |
---|---|---|---|
accessToken | string | Yes | The access token to refresh. |
refreshToken | string | Yes | The associated refresh token. |
Returns a Promise that resolves to a token.
Example
;(async () => {
const byuOAuth = require('byu-wabs-oauth')
const oauth = await byuOauth('<client_id>', '<client_secret>')
const token = await oauth.refreshToken('<access_token>', '<refresh_token>')
})()
revokeToken
revokeToken ( accessToken: string [, refreshToken: string ] ): Promise<void>
Revoke an access token and / or a refresh token.
Parameters
Parameter | Type | Required | Default | Description |
---|---|---|---|---|
accessToken | string | Yes | N/A | The access token to revoke. |
refreshToken | string | No | N/A | The associated refresh token to also revoke. |
Returns a Promise that resolves to undefined.
Example
;(async () => {
const byuOAuth = require('byu-wabs-oauth')
const oauth = await byuOauth('<client_id>', '<client_secret>')
await oauth.revokeToken('<access_token>', '<refresh_token>')
})()
BYU OAuth Token
This object has information about the current token as well as methods for managing the token. These are the properties:
- accessToken - A string that has the most recent access token. This value will be
undefined
if the token has been revoked. - expiresAt - A Date object that represents when the token will expire.
- expiresIn - The number of milliseconds until the token expires.
- refreshToken - A string representing the refresh token. This value will be
undefined
for client grant tokens, although client grant tokens can still be refreshed using therefresh
function on this object. - resourceOwner - Only valid for code grant tokens, this object contains the resource owner's properties:
- atHash: string
- aud: Array
- authTime: number
- azp: string
- byuId: string
- exp: number
- iat: number
- iss: string
- jwt: string
- netId: string
- personId: string
- preferredFirstName: string
- prefix: string
- restOfName: string
- sortName: string
- sub: string
- suffix: string
- surname: string
- surnamePosition: string
- scope - A string representing the scopes associated with this token.
- type - A string of the token type.
Testing
Run the tests
In the terminal, log into the BYU DevX AWS Account
aws sso login --profile byu-oit-devx-prd
In this root of this project, run:
npm install npm test
Update environment variables used in the tests
- Create the file
./iac/vars.tfvars
. Copy this template into that file.
consumer_key = "" consumer_secret = "" callback_url = "" net_id = "" password = ""
Copy and paste the values from the parameter store into this file.
- Update the values you want to change.
Set the AWS_PROFILE environment variable.
export AWS_PROFILE=byu-oit-devx-prd
Login to the BYU DevX AWS Account.
aws sso login --profile $AWS_PROFILE
From within the
./iac
directory, apply the changes in Terraform.
Ensure you use same version of terraform (as of right now v1.2.2 is latest).
terraform init
terraform apply --var-file vars.tfvars
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