# sag_py_auth_brand
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This provides a way to secure your fastapi with keycloak jwt bearer authentication.
This library bases on sag_py_auth and adds support for instances/brands.
## What it does
* Secure your api endpoints
* Verifies auth tokens: signature, expiration, issuer, audience
* Verifies the brand/customer over a token role
* Verifies the instance over a token role
* Verifies the stage over a realm role
* Allows to set additional permissions by specifying further token roles
* Supplies brand information from context
## How to use
### Installation
pip install sag-py-auth-brand
### Secure your apis
First create the fast api dependency with the auth config:
```python
from sag_py_auth import TokenRole
from sag_py_auth_brand.models import AuthConfig
from sag_py_auth_brand.brand_jwt_auth import BrandJwtAuth
from fastapi import Depends
auth_config = BrandAuthConfig("https://authserver.com/auth/realms/projectName", "myaudience", "myinstance", "mystage")
required_roles = [TokenRole("clientname", "adminrole")]
requires_admin = Depends(BrandJwtAuth(auth_config, required_endpoint_roles))
```
Afterwards you can use it in your route like that:
```python
@app.post("/posts", dependencies=[requires_admin], tags=["posts"])
async def add_post(post: PostSchema) -> dict:
```
Or if you use sub routes, auth can also be enforced for the entire route like that:
```python
router = APIRouter()
router.include_router(sub_router, tags=["my_api_tag"], prefix="/subroute",dependencies=[requires_admin])
```
### Get brand information
See sag_py_auth to find out how to access the token and user info.
Furthermore you can get the brand by accessing it over the context:
```python
from sag_py_auth_brand.request_brand_context import get_request_brand as get_brand_from_context
brand = get_brand_from_context()
```
This works in async calls but not in sub threads (without additional changes).
See:
* https://docs.python.org/3/library/contextvars.html
* https://kobybass.medium.com/python-contextvars-and-multithreading-faa33dbe953d
### Log the brand
It is possible to log the brand by adding a filter.
```python
import logging
from sag_py_auth_brand.request_brand_logging_filter import RequestBrandLoggingFilter
console_handler = logging.StreamHandler(sys.stdout)
console_handler.addFilter(RequestBrandLoggingFilter())
```
The filter provides the field request_brand with the brand.
### How a token has to look like
```json
{
"iss": "https://authserver.com/auth/realms/projectName",
"aud": ["audienceOne", "audienceTwo"],
"typ": "Bearer",
"azp": "public-project-swagger",
"preferred_username": "preferredUsernameValue",
.....
"realm_access": {
"roles": ["myStage"]
},
"resource_access": {
"role-instance": {
"roles": ["myInstance"]
},
"role-brand": {
"roles": ["myBrand"]
},
"role-endpoint": {
"roles": ["permissionOne", "permissionTwo"]
}
}
}
```
* role-endpoint is just required for permission checks of the api endpoint
## How to start developing
### With vscode
Just install vscode with dev containers extension. All required extensions and configurations are prepared automatically.
### With pycharm
* Install latest pycharm
* Install pycharm plugin BlackConnect
* Install pycharm plugin Mypy
* Configure the python interpreter/venv
* pip install requirements-dev.txt
* pip install black[d]
* Ctl+Alt+S => Check Tools => BlackConnect => Trigger when saving changed files
* Ctl+Alt+S => Check Tools => BlackConnect => Trigger on code reformat
* Ctl+Alt+S => Click Tools => BlackConnect => "Load from pyproject.yaml" (ensure line length is 120)
* Ctl+Alt+S => Click Tools => BlackConnect => Configure path to the blackd.exe at the "local instance" config (e.g. C:\Python310\Scripts\blackd.exe)
* Ctl+Alt+S => Click Tools => Actions on save => Reformat code
* Restart pycharm
## How to publish
* Update the version in setup.py and commit your change
* Create a tag with the same version number
* Let github do the rest
## How to test
To avoid publishing to pypi unnecessarily you can do as follows
* Tag your branch however you like
* Use the chosen tag in the requirements.txt-file of the project you want to test this library in, eg. `sag_py_auth_brand==<your tag>`
* Rebuild/redeploy your project
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"description": "# sag_py_auth_brand\n\n[![Maintainability][codeclimate-image]][codeclimate-url]\n[![Coverage Status][coveralls-image]][coveralls-url]\n[](https://snyk.io/test/github/SamhammerAG/sag_py_auth_brand)\n\n[coveralls-image]:https://coveralls.io/repos/github/SamhammerAG/sag_py_auth_brand/badge.svg?branch=master\n[coveralls-url]:https://coveralls.io/github/SamhammerAG/sag_py_auth_brand?branch=master\n[codeclimate-image]:https://api.codeclimate.com/v1/badges/9731a0fe593f7e5f10b6/maintainability\n[codeclimate-url]:https://codeclimate.com/github/SamhammerAG/sag_py_auth_brand/maintainability\n\nThis provides a way to secure your fastapi with keycloak jwt bearer authentication.\nThis library bases on sag_py_auth and adds support for instances/brands.\n\n## What it does\n* Secure your api endpoints\n* Verifies auth tokens: signature, expiration, issuer, audience\n* Verifies the brand/customer over a token role\n* Verifies the instance over a token role\n* Verifies the stage over a realm role\n* Allows to set additional permissions by specifying further token roles\n* Supplies brand information from context\n\n## How to use\n\n### Installation\n\npip install sag-py-auth-brand\n\n### Secure your apis\n\nFirst create the fast api dependency with the auth config:\n```python\nfrom sag_py_auth import TokenRole\nfrom sag_py_auth_brand.models import AuthConfig\nfrom sag_py_auth_brand.brand_jwt_auth import BrandJwtAuth\nfrom fastapi import Depends\n\nauth_config = BrandAuthConfig(\"https://authserver.com/auth/realms/projectName\", \"myaudience\", \"myinstance\", \"mystage\")\nrequired_roles = [TokenRole(\"clientname\", \"adminrole\")]\nrequires_admin = Depends(BrandJwtAuth(auth_config, required_endpoint_roles))\n```\n\nAfterwards you can use it in your route like that:\n\n```python\n@app.post(\"/posts\", dependencies=[requires_admin], tags=[\"posts\"])\nasync def add_post(post: PostSchema) -> dict:\n```\n\nOr if you use sub routes, auth can also be enforced for the entire route like that:\n\n```python\nrouter = APIRouter()\nrouter.include_router(sub_router, tags=[\"my_api_tag\"], prefix=\"/subroute\",dependencies=[requires_admin])\n```\n\n### Get brand information\n\nSee sag_py_auth to find out how to access the token and user info.\n\nFurthermore you can get the brand by accessing it over the context:\n```python\nfrom sag_py_auth_brand.request_brand_context import get_request_brand as get_brand_from_context\nbrand = get_brand_from_context()\n```\n\nThis works in async calls but not in sub threads (without additional changes).\n\nSee:\n* https://docs.python.org/3/library/contextvars.html\n* https://kobybass.medium.com/python-contextvars-and-multithreading-faa33dbe953d\n\n### Log the brand\n\nIt is possible to log the brand by adding a filter.\n\n```python\nimport logging\nfrom sag_py_auth_brand.request_brand_logging_filter import RequestBrandLoggingFilter\n\nconsole_handler = logging.StreamHandler(sys.stdout)\nconsole_handler.addFilter(RequestBrandLoggingFilter())\n\n```\n\nThe filter provides the field request_brand with the brand.\n\n### How a token has to look like\n\n```json\n{\n\n \"iss\": \"https://authserver.com/auth/realms/projectName\",\n \"aud\": [\"audienceOne\", \"audienceTwo\"],\n \"typ\": \"Bearer\",\n \"azp\": \"public-project-swagger\",\n \"preferred_username\": \"preferredUsernameValue\",\n .....\n \"realm_access\": {\n \"roles\": [\"myStage\"]\n },\n \"resource_access\": {\n \"role-instance\": {\n \"roles\": [\"myInstance\"]\n },\n \"role-brand\": {\n \"roles\": [\"myBrand\"]\n },\n \"role-endpoint\": {\n \"roles\": [\"permissionOne\", \"permissionTwo\"]\n }\n }\n}\n```\n\n* role-endpoint is just required for permission checks of the api endpoint\n\n## How to start developing\n\n### With vscode\n\nJust install vscode with dev containers extension. All required extensions and configurations are prepared automatically.\n\n### With pycharm\n\n* Install latest pycharm\n* Install pycharm plugin BlackConnect\n* Install pycharm plugin Mypy\n* Configure the python interpreter/venv\n* pip install requirements-dev.txt\n* pip install black[d]\n* Ctl+Alt+S => Check Tools => BlackConnect => Trigger when saving changed files\n* Ctl+Alt+S => Check Tools => BlackConnect => Trigger on code reformat\n* Ctl+Alt+S => Click Tools => BlackConnect => \"Load from pyproject.yaml\" (ensure line length is 120)\n* Ctl+Alt+S => Click Tools => BlackConnect => Configure path to the blackd.exe at the \"local instance\" config (e.g. C:\\Python310\\Scripts\\blackd.exe)\n* Ctl+Alt+S => Click Tools => Actions on save => Reformat code\n* Restart pycharm\n\n## How to publish\n\n* Update the version in setup.py and commit your change\n* Create a tag with the same version number\n* Let github do the rest\n\n## How to test\n\nTo avoid publishing to pypi unnecessarily you can do as follows\n\n* Tag your branch however you like\n* Use the chosen tag in the requirements.txt-file of the project you want to test this library in, eg. `sag_py_auth_brand==<your tag>`\n* Rebuild/redeploy your project\n",
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