Created
June 14, 2021 06:02
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Auth0 - Outh2 - Postman pre-request script
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| { | |
| "name": "Auth0-Oauth2", | |
| "values": [ | |
| { | |
| "key": "baseUrl", | |
| "value": "https://example.com/api", | |
| "enabled": true | |
| }, | |
| { | |
| "key": "oauth_access_token", | |
| "value": "", | |
| "enabled": true | |
| }, | |
| { | |
| "key": "oauth_access_token_expires", | |
| "value": "", | |
| "enabled": true | |
| }, | |
| { | |
| "key": "oauth_access_token_url", | |
| "value": "https://[enter-your-own].auth0.com/oauth/token", | |
| "enabled": true | |
| }, | |
| { | |
| "key": "oauth_grant_type", | |
| "value": "client_credentials", | |
| "enabled": true | |
| }, | |
| { | |
| "key": "oauth_client_id", | |
| "value": "", | |
| "enabled": true | |
| }, | |
| { | |
| "key": "oauth_client_secret", | |
| "value": "", | |
| "enabled": true | |
| }, | |
| { | |
| "key": "oauth_audience", | |
| "value": "", | |
| "enabled": true | |
| } | |
| ], | |
| "_postman_variable_scope": "environment", | |
| } |
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| const currentTime = new Date().getTime(); | |
| const oauthTokenUrl = pm.environment.get('oauth_access_token_url'); | |
| const oauthGrantType = pm.environment.get('oauth_grant_type'); | |
| const oauthClientId = pm.environment.get('oauth_client_id'); | |
| const oauthClientSecret = pm.environment.get('oauth_client_secret'); | |
| const oauthAudience = pm.environment.get('oauth_audience'); | |
| const getTokenRequest = { | |
| method: 'POST', | |
| url: oauthTokenUrl, | |
| header: {'Content-Type': 'application/json'}, | |
| body: { | |
| mode: 'raw', | |
| raw: JSON.stringify({ | |
| 'grant_type': oauthGrantType, | |
| 'client_id': oauthClientId, | |
| 'client_secret': oauthClientSecret, | |
| 'audience': oauthAudience | |
| }) | |
| } | |
| }; | |
| // Fetch new access token, if empty OR if is expired | |
| if (!(pm.environment.get('oauth_access_token')) || (currentTime >= pm.environment.get('oauth_access_token_expires'))) { | |
| pm.sendRequest(getTokenRequest, (err, res) => { | |
| let jsonData = res.json(); | |
| pm.environment.set('oauth_access_token', jsonData.access_token); | |
| pm.environment.set('oauth_access_token_expires', new Date().getTime() + jsonData.expires_in); | |
| }); | |
| console.log('Oauth access token refreshed & ready to use') | |
| } |
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