https://github.com/permitio/permit-langflow

A Permit.io and Langflow example app.
https://github.com/permitio/permit-langflow

example

Last synced: 9 months ago
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A Permit.io and Langflow example app.

• Host: GitHub
• URL: https://github.com/permitio/permit-langflow
• Owner: permitio
• License: apache-2.0
• Created: 2024-10-23T14:11:10.000Z (over 1 year ago)
• Default Branch: main
• Last Pushed: 2025-01-09T11:09:03.000Z (about 1 year ago)
• Last Synced: 2025-05-11T07:11:32.170Z (9 months ago)
• Topics: example
• Language: Python
• Homepage:
• Size: 1.1 MB
• Stars: 6
• Watchers: 4
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md

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README

          
# permit-langflow

## AstraDB instructions:

1. Create a database

2. Create Vector-enabled collection with Mistral Embeddings

3. Leave the collection empty

## Permit.io instructions:

1. Resources with resource roles

    ![image](./resources.png)

2. Resource relations

    ![image](./resource-relations.png)

    

    ![image](./resource-relations-2.png)

    ![image](./resource-relations-3.png)

3. Role derivation relations

    ![image](./derivation.png)

    ![image](./derivation-2.png)

    ![image](./derivation-3.png)

4. Policy

    ![image](./policy.png)

5. Users

    ![image](./users.png)

6. Instances

    ![image](./instances.png)

## LangFlow instructions:

1. Create a new blank project

2. Create a confidential Global Variable in Settings for Permit Key

    

    ![image](./settings.png)

3. Import `flows.json` into LangFlow

    - you should be ok with importing this JSON only

    - other `*.py` files are added for reference as they are custom components implemented for this project

4. Add Mistral API key

    1. Create a free Mistral account

    2. Get your API key from https://console.mistral.ai/api-keys/

    3. Add the key to Mistral components

5. Run ingestion flow:

    1. Select the AstraDB database and collection

    2. Click Play button

    3. Check if the collection is populated with vectors

6. Install Permit with `pip install` component

    - make sure the installation succeeds by verifing output `Installation status`

7. Run the Permit Policy Decision Point (PDP) locally:

    ```bash

    docker run -p 7766:7000 --env PDP_API_KEY= --env PDP_DEBUG=true permitio/pdp-v2:latest

    ```

8. Use `ngrok` to create a tunnel from `http://localhost:7766` to an external endpoint provided by `ngrok`:

    ```bash

    ngrok http http://localhost:7766

    ```

9. Run the chat flow by either:

    1. Opening the Playground (bottom right corner)

    2. Clicking the Play icon button on the **last** component

10. Example queries:

    ![image](./chat1.png)

    

    ![image](./chat2.png)