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Merge pull request #2234 from beyonnex-io/ditto-380
provide Ditto 3.8.0 release notes and blogpost
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‎SECURITY.md‎

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| Version | Supported |
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|---------| ------------------ |
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| 3.8.x | :white_check_mark: |
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| 3.7.x | :white_check_mark: |
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| 3.6.x | :white_check_mark: |
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| < 3.6.0 | :x: |
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| < 3.7.0 | :x: |
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## Reporting a Vulnerability
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‎documentation/src/main/resources/_config.yml‎

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docVersions:
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- label: "development"
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basePath: ""
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- label: "3.8"
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basePath: "3.8"
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- label: "3.7"
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basePath: "3.7"
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- label: "3.6"

‎documentation/src/main/resources/_data/sidebars/ditto_sidebar.yml‎

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- title: Release Notes
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output: web
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folderitems:
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- title: 3.8.0
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url: /release_notes_380.html
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output: web
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- title: 3.7.6
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url: /release_notes_376.html
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output: web
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- title: 3.7.0
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url: /release_notes_370.html
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output: web
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- title: 3.6.11
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url: /release_notes_3611.html
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output: web
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- title: 3.6.10
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url: /release_notes_3610.html
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output: web
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- title: 3.6.9
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url: /release_notes_369.html
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output: web
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- title: 3.6.8
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url: /release_notes_368.html
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output: web
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- title: 3.6.7
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url: /release_notes_367.html
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output: web
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- title: 3.6.5
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url: /release_notes_365.html
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output: web
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- title: 3.6.4
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url: /release_notes_364.html
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output: web
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- title: 3.6.3
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url: /release_notes_363.html
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output: web
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- title: 3.6.2
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url: /release_notes_362.html
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- title: 3.6.1
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url: /release_notes_361.html
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- title: 3.6.0
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url: /release_notes_360.html
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subfolders:
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- title: Archive
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subfolderitems:
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- title: 3.6.11
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url: /release_notes_3611.html
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output: web
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- title: 3.6.10
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url: /release_notes_3610.html
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output: web
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- title: 3.6.9
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url: /release_notes_369.html
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output: web
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- title: 3.6.8
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url: /release_notes_368.html
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output: web
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- title: 3.6.7
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url: /release_notes_367.html
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output: web
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- title: 3.6.5
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url: /release_notes_365.html
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- title: 3.6.4
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url: /release_notes_364.html
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- title: 3.6.3
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url: /release_notes_363.html
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output: web
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- title: 3.6.2
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url: /release_notes_362.html
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output: web
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- title: 3.6.1
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url: /release_notes_361.html
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output: web
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- title: 3.6.0
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url: /release_notes_360.html
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output: web
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- title: 3.5.12
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url: /release_notes_3512.html
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‎documentation/src/main/resources/_posts/2025-10-10-release-announcement-380.md‎

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---
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title: "Announcing Eclipse Ditto Release 3.8.0"
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published: true
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permalink: 2025-10-10-release-announcement-380.html
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layout: post
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author: thomas_jaeckle
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tags: [blog]
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hide_sidebar: true
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sidebar: false
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toc: false
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---
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Eclipse Ditto team is excited to announce the availability of a new minor release, including new features:
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Ditto [3.8.0](https://projects.eclipse.org/projects/iot.ditto/releases/3.8.0).
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## Adoption
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Companies are willing to show their adoption of Eclipse Ditto publicly:
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[https://iot.eclipse.org/adopters/?#iot.ditto](https://iot.eclipse.org/adopters/?#iot.ditto)
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When you use Eclipse Ditto it would be great to support the project by putting your logo there.
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## Changelog
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The main improvements and additions of Ditto 3.8.0 are:
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* **Diverting** Ditto **connection responses** to other connections (e.g. to allow multi-protocol workflows)
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* Dynamically **re-configuring WoT validation settings** without restarting Ditto
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* **Enforcing** that WoT model based **thing definitions are used** and match a certain pattern when **creating new things**
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* Support for **OAuth2 "password" grant** type for **authenticating outbound HTTP connections**
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* **Configure JWT claims** to be **added** as information to command **headers**
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* Added support for **client certificate based authentication** for **Kafka and AMQP 1.0** connections
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* Extend **"Normalized"** connection **payload mapper** to include **deletion events**
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* Support **silent token refresh** in the **Ditto UI** when using **SSO via OAuth2/OIDC**
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* Enhance **conditional updates** for **merge thing commands** to contain **several conditions** to dynamically decide which parts of a thing to update and which not
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The following non-functional work is also included:
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* **Improving** WoT based **validation performance** for **merge** commands
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* **Enhancing distributed tracing**, e.g. with a span for the authentication step and by adding the error response for failed API requests
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* Updating dependencies to their latest versions
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* Providing **additional configuration options** to **Helm values**
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The following notable fixes are included:
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* Fixing **nginx CORS configuration** which caused **Safari / iOS** browsers to fail with **CORS errors**
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* Fixing **transitive resolving of Thing Models** referenced with `tm:ref`
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* Fixing **sorting on array fields** in Ditto search
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* Fixing issues around **"put-metadata"** in combination **with merge commands**
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* Fixing that **certificate chains** for **client certificate based authentication** in Ditto connection was not fully parsed
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* Fixing **deployment of Ditto on OpenShift**
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Please have a look at the [3.8.0 release notes](release_notes_380.html) for a more detailed information on the release.
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## Artifacts
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The new Java artifacts have been published at the [Eclipse Maven repository](https://repo.eclipse.org/content/repositories/ditto/)
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as well as [Maven central](https://repo1.maven.org/maven2/org/eclipse/ditto/).
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The Ditto JavaScript client release was published on [npmjs.com](https://www.npmjs.com/~eclipse_ditto):
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* [@eclipse-ditto/ditto-javascript-client-dom](https://www.npmjs.com/package/@eclipse-ditto/ditto-javascript-client-dom)
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* [@eclipse-ditto/ditto-javascript-client-node](https://www.npmjs.com/package/@eclipse-ditto/ditto-javascript-client-node)
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The Docker images have been pushed to Docker Hub:
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* [eclipse/ditto-policies](https://hub.docker.com/r/eclipse/ditto-policies/)
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* [eclipse/ditto-things](https://hub.docker.com/r/eclipse/ditto-things/)
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* [eclipse/ditto-things-search](https://hub.docker.com/r/eclipse/ditto-things-search/)
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* [eclipse/ditto-gateway](https://hub.docker.com/r/eclipse/ditto-gateway/)
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* [eclipse/ditto-connectivity](https://hub.docker.com/r/eclipse/ditto-connectivity/)
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The Ditto Helm chart has been published to Docker Hub:
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* [eclipse/ditto](https://hub.docker.com/r/eclipse/ditto/)
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<br/>
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<br/>
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{% include image.html file="ditto.svg" alt="Ditto" max-width=500 %}
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--<br/>
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The Eclipse Ditto team

‎documentation/src/main/resources/pages/ditto/basic-auth.md‎

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browser
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* passing the `withCredentials: true` option when creating the SSE in the browser
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#### Silent Token Refresh
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The Ditto UI supports automatic silent token refresh to provide a seamless user experience without frequent redirects to the OIDC provider. This feature:
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* **Automatically refreshes JWT tokens** before they expire using refresh tokens
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* **Retries failed API calls** after successful token refresh
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* **Works transparently** without user interaction
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**Configuration Requirements:**
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The OIDC provider must support:
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- `offline_access` scope for refresh tokens
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- `refresh_token` grant type
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- Silent refresh callback endpoint
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**OIDC Provider Configuration:**
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Configure your OIDC provider in the environment settings:
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```json
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{
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"oidc": {
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"providers": {
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"your-provider": {
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"displayName": "Your OIDC Provider",
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"extractBearerTokenFrom": "access_token",
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"authority": "https://your-oidc-provider.com",
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"client_id": "your-client-id",
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"redirect_uri": "https://your-ditto-ui.com",
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"post_logout_redirect_uri": "https://your-ditto-ui.com",
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"silent_redirect_uri": "https://your-ditto-ui.com/silent-callback.html",
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"response_type": "code",
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"scope": "openid groups email offline_access",
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"automaticSilentRenew": true
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}
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}
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}
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}
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```
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## Authorization
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Authorization is implemented with a <a href="#" data-toggle="tooltip" data-original-title="{{site.data.glossary.policy}}">Policy</a>

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