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Create Airtable.gs #469

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5452a6b
Create Airtable.gs
iPeat Nov 29, 2023
4296f73
Update Airtable.gs
iPeat Dec 14, 2023
15d546f
Merge branch 'googleworkspace:main' into main
iPeat Dec 14, 2023
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Update Airtable.gs
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@iPeat
iPeat authored Dec 14, 2023
commit 4296f731d2eda14850601465111e787c420e831e
28 changes: 3 additions & 25 deletions samples/Airtable.gs
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Original file line number Diff line number Diff line change
Expand Up @@ -54,7 +54,6 @@ function reset() {
* `state`.
*/
function getService_() {
pkceChallengeVerifier();
var userProps = PropertiesService.getUserProperties();
return OAuth2.createService('Airtable')
// Set the endpoint URLs.
Expand Down Expand Up @@ -82,6 +81,9 @@ function getService_() {
// Set scope (required)
.setScope('data.records:read')

// Generate code verifier parameter
.generateCodeVerifier()

// Add parameters in the authorization url
.setParam('response_type', 'code')
.setParam('code_challenge_method', 'S256')
Expand Down Expand Up @@ -114,27 +116,3 @@ function authCallback_(request) {
function logRedirectUri() {
Logger.log(OAuth2.getRedirectUri());
}

/**
* Generates code_verifier & code_challenge for PKCE
*/
function pkceChallengeVerifier() {
var userProps = PropertiesService.getUserProperties();
if (!userProps.getProperty('code_verifier')) {
var verifier = '';
var possible = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789-._';

for (var i = 0; i < 128; i++) {
verifier += possible.charAt(Math.floor(Math.random() * possible.length));
}

var sha256Hash = Utilities.computeDigest(Utilities.DigestAlgorithm.SHA_256, verifier);

var challenge = Utilities.base64Encode(sha256Hash)
.replace(/\+/g, '-')
.replace(/\//g, '_')
.replace(/=+$/, '');
userProps.setProperty('code_verifier', verifier);
userProps.setProperty('code_challenge', challenge);
}
}