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Code Issues Releases Wiki Activity

reuse access token

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This commit is contained in:
Kyle Spearrin
2018-04-28 22:43:33 -04:00
parent f5c12d9ea6
commit 4533dd72ae
1 changed files with 31 additions and 0 deletions
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31
src/services/azure-directory.service.ts
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@@ -21,6 +21,8 @@ export class AzureDirectoryService implements DirectoryService {
private client: graph.Client;
private dirConfig: AzureConfiguration;
private syncConfig: SyncConfiguration;
private accessToken: string;
private accessTokenExpiration: Date;
constructor(private configurationService: ConfigurationService) {
this.init();
@@ -290,6 +292,13 @@ export class AzureDirectoryService implements DirectoryService {
private init() {
this.client = graph.Client.init({
authProvider: (done) => {
if (!this.accessTokenIsExpired()) {
done(null, this.accessToken);
}
this.accessToken = null;
this.accessTokenExpiration = null;
const data = querystring.stringify({
client_id: this.dirConfig.applicationId,
client_secret: this.dirConfig.key,
@@ -310,6 +319,7 @@ export class AzureDirectoryService implements DirectoryService {
res.on('data', (chunk: string) => {
const d = JSON.parse(chunk);
if (res.statusCode === 200 && d.access_token != null) {
this.setAccessTokenExpiration(d.access_token, d.expires_in);
done(null, d.access_token);
} else if (d.error != null && d.error_description != null) {
done(d.error + ' (' + res.statusCode + '): ' + d.error_description, null);
@@ -326,4 +336,25 @@ export class AzureDirectoryService implements DirectoryService {
},
});
}
private accessTokenIsExpired() {
if (this.accessToken == null || this.accessTokenExpiration == null) {
return true;
}
// expired if less than 2 minutes til expiration
const now = new Date();
return this.accessTokenExpiration.getTime() - now.getTime() < 120000;
}
private setAccessTokenExpiration(accessToken: string, expSeconds: number) {
if (accessToken == null || expSeconds == null) {
return;
}
this.accessToken = accessToken;
const exp = new Date();
exp.setSeconds(exp.getSeconds() + expSeconds);
this.accessTokenExpiration = exp;
}
}