implement Authentication.

services/README.md

@@ -4,4 +4,9 @@
 A user plugs in the EDR at a certain location, connects it with its laptop and starts the recording of a campaign. At the same time the user starts the publishing tool REGIMO (from this git repository). All new created files are tracked by the tool and automatically uploaded to the cloud and then published to the databus using its cloud URL.
 
 ### Use Case #2 (Secondary use case)
-The existing database of the EDR is analyzed and all existing valid data sets (correct filesystem structure and metadata json files exist) get published to the cloud and registered in the databus.
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+The existing database of the EDR is analyzed and all existing valid data sets (correct filesystem structure and metadata json files exist) get published to the cloud and registered in the databus.
+
+### use
+poetry export --without-hashes --format=requirements.txt > requirements.txt
+
+to export an actual requirements.txt
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services/backend_regimo/pyproject.toml

-[tool.poetry]
-name = "backend_regimo"
-version = "0.1.0"
-description = "This is the backend for Regimo. Regimo is a tool to register data on a databus."
-authors = ["Anis Koubaa <mohamed.koubaa@kit.edu>"]
-license = "MIT"
-readme = "README.md"
-
-[tool.poetry.dependencies]
-python = "^3.10"
-fastapi = "^0.100.0"
-uvicorn = "^0.24.0"
-oep-client = "^0.17.0"
-openpyxl = "^3.1.5"
-omi = "^0.2.0"
-pyjwt = "^2.10.1"
-
-[tool.poetry.group.test.dependencies]
-pytest = "^8"
-
-
-[tool.poetry.group.dev.dependencies]
-datamodel-code-generator = "^0.26.5"
-reuse = "^5.0.2"
-
-[build-system]
-requires = ["poetry-core"]
-build-backend = "poetry.core.masonry.api"
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services/backend_regimo/src/main.py

-from fastapi import FastAPI
-from fastapi.middleware.cors import CORSMiddleware
+from fastapi import Depends, FastAPI
+from fastapi.security import OAuth2PasswordBearer
+from typing import Annotated
 
 app = FastAPI()
 
-app.add_middleware(
-    CORSMiddleware,
-    allow_origins=["http://localhost:8080"],
-    allow_credentials=True,
-    allow_methods=["*"],
-    allow_headers=["*"],
-)
+oauth2_scheme = OAuth2PasswordBearer(tokenUrl="token")
 
 
 @app.get("/")
 def home():
-    return "Hello, World!"
+    return "Hello, my secure World!"
 
 
 @app.get("/manifest")
 def get_artifacts():
     return "Here are some artifacts"
+
+
+@app.get("/items/")
+async def read_items(token: Annotated[str, Depends(oauth2_scheme)]):
+    return {"token": token}
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