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<!-- -->OAuth2 Proxy<!-- --> <b>Next</b> version.</div><div class="margin-top--md">For up-to-date documentation, see the <b><a href="/oauth2-proxy/docs/">latest version</a></b> (<!-- -->7.5.x<!-- -->).</div></div><div class="docItemContainer_Djhp"><article><nav class="theme-doc-breadcrumbs breadcrumbsContainer_Z_bl" aria-label="Breadcrumbs"><ul class="breadcrumbs" itemscope="" itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/oauth2-proxy/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/oauth2-proxy/docs/next/configuration/overview"><span itemprop="name">Configuration</span></a><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item"><a class="breadcrumbs__link" itemprop="item" href="/oauth2-proxy/docs/next/configuration/providers/"><span itemprop="name">OAuth Provider Configuration</span></a><meta itemprop="position" content="2"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Google (default)</span><meta itemprop="position" content="3"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Next</span><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Google (default)</h1></header><p>For Google, the registration steps are:</p><ol><li>Create a new project: <a href="https://console.developers.google.com/project" target="_blank" rel="noopener noreferrer">https://console.developers.google.com/project</a></li><li>Choose the new project from the top right project dropdown (only if another project is selected)</li><li>In the project Dashboard center pane, choose <strong>&quot;APIs &amp; Services&quot;</strong></li><li>In the left Nav pane, choose <strong>&quot;Credentials&quot;</strong></li><li>In the center pane, choose <strong>&quot;OAuth consent screen&quot;</strong> tab. Fill in <strong>&quot;Product name shown to users&quot;</strong> and hit save.</li><li>In the center pane, choose <strong>&quot;Credentials&quot;</strong> tab.<ul><li>Open the <strong>&quot;New credentials&quot;</strong> drop down</li><li>Choose <strong>&quot;OAuth client ID&quot;</strong></li><li>Choose <strong>&quot;Web application&quot;</strong></li><li>Application name is freeform, choose something appropriate</li><li>Authorized JavaScript origins is your domain ex: <code>https://internal.yourcompany.com</code></li><li>Authorized redirect URIs is the location of oauth2/callback ex: <code>https://internal.yourcompany.com/oauth2/callback</code></li><li>Choose <strong>&quot;Create&quot;</strong></li></ul></li><li>Take note of the <strong>Client ID</strong> and <strong>Client Secret</strong></li></ol><p>It&#x27;s recommended to refresh sessions on a short interval (1h) with <code>cookie-refresh</code> setting which validates that the
account is still authorized.</p><h4 class="anchor anchorWithStickyNavbar_LWe7" id="restrict-auth-to-specific-google-groups-on-your-domain-optional">Restrict auth to specific Google groups on your domain. (optional)<a href="#restrict-auth-to-specific-google-groups-on-your-domain-optional" class="hash-link" aria-label="Direct link to Restrict auth to specific Google groups on your domain. (optional)" title="Direct link to Restrict auth to specific Google groups on your domain. (optional)"></a></h4><ol><li><p>Create a <a href="https://developers.google.com/identity/protocols/OAuth2ServiceAccount" target="_blank" rel="noopener noreferrer">service account</a> and configure it
to use <a href="#using-application-default-credentials-adc--workload-identity--workload-identity-federation-recommended">Application Default Credentials / Workload Identity / Workload Identity Federation (recommended)</a> or,
alternatively download the JSON.</p></li><li><p>Make note of the Client ID for a future step.</p></li><li><p>Under &quot;APIs &amp; Auth&quot;, choose APIs.</p></li><li><p>Click on Admin SDK and then Enable API.</p></li><li><p>Follow the steps on <a href="https://developers.google.com/admin-sdk/directory/v1/guides/delegation#delegate_domain-wide_authority_to_your_service_account" target="_blank" rel="noopener noreferrer">https://developers.google.com/admin-sdk/directory/v1/guides/delegation#delegate_domain-wide_authority_to_your_service_account</a>
and give the client id from step 2 the following oauth scopes:</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#bfc7d5;--prism-background-color:#292d3e"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#bfc7d5"><span class="token plain">https://www.googleapis.com/auth/admin.directory.group.readonly</span><br></span><span class="token-line" style="color:#bfc7d5"><span class="token plain">https://www.googleapis.com/auth/admin.directory.user.readonly</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg viewBox="0 0 24 24" class="copyButtonIcon_y97N"><path fill="currentColor" d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg viewBox="0 0 24 24" class="copyButtonSuccessIcon_LjdS"><path fill="currentColor" d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Follow the steps on <a href="https://support.google.com/a/answer/60757" target="_blank" rel="noopener noreferrer">https://support.google.com/a/answer/60757</a> to enable Admin API access.</p></li><li><p>Create or choose an existing administrative email address on the Gmail domain to assign to the <code>google-admin-email</code>
flag. This email will be impersonated by this client to make calls to the Admin SDK. See the note on the link from
step 5 for the reason why.</p></li><li><p>Create or choose an existing email group and set that email to the <code>google-group</code> flag. You can pass multiple instances
of this flag with different groups and the user will be checked against all the provided groups.</p></li></ol><p>(Only if using a JSON file (see step 1))
9. Lock down the permissions on the json file downloaded from step 1 so only oauth2-proxy is able to read the file and
set the path to the file in the <code>google-service-account-json</code> flag.
10. Restart oauth2-proxy.</p><p>Note: The user is checked against the group members list on initial authentication and every time the token is
refreshed ( about once an hour ).</p><h5 class="anchor anchorWithStickyNavbar_LWe7" id="using-application-default-credentials-adc--workload-identity--workload-identity-federation-recommended">Using Application Default Credentials (ADC) / Workload Identity / Workload Identity Federation (recommended)<a href="#using-application-default-credentials-adc--workload-identity--workload-identity-federation-recommended" class="hash-link" aria-label="Direct link to Using Application Default Credentials (ADC) / Workload Identity / Workload Identity Federation (recommended)" title="Direct link to Using Application Default Credentials (ADC) / Workload Identity / Workload Identity Federation (recommended)"></a></h5><p>oauth2-proxy can make use of <a href="https://cloud.google.com/docs/authentication/application-default-credentials" target="_blank" rel="noopener noreferrer">Application Default Credentials</a>.
When deployed within GCP, this means that it can automatically use the service account attached to the resource. When deployed to GKE, ADC
can be leveraged through a feature called Workload Identity. Follow Google&#x27;s <a href="https://cloud.google.com/kubernetes-engine/docs/how-to/workload-identity" target="_blank" rel="noopener noreferrer">guide</a>
to set up Workload Identity.</p><p>When deployed outside of GCP, <a href="https://cloud.google.com/docs/authentication/provide-credentials-adc#wlif" target="_blank" rel="noopener noreferrer">Workload Identity Federation</a> might be an option.</p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/oauth2-proxy/oauth2-proxy/edit/master/docs/docs/configuration/providers/google.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col lastUpdated_vwxv"></div></div></footer></article><nav class="pagination-nav docusaurus-mt-lg" aria-label="Docs pages"><a class="pagination-nav__link pagination-nav__link--prev" href="/oauth2-proxy/docs/next/configuration/providers/"><div class="pagination-nav__sublabel">Previous</div><div class="pagination-nav__label">OAuth Provider Configuration</div></a><a class="pagination-nav__link pagination-nav__link--next" href="/oauth2-proxy/docs/next/configuration/providers/azure"><div class="pagination-nav__sublabel">Next</div><div class="pagination-nav__label">Azure</div></a></nav></div></div><div class="col col--3"><div class="tableOfContents_bqdL thin-scrollbar theme-doc-toc-desktop"></div></div></div></div></main></div></div><footer class="footer footer--dark"><div class="container container-fluid"><div class="footer__bottom text--center"><div class="footer__copyright">Copyright © 2024 OAuth2 Proxy.</div></div></div></footer></div>
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