feat: 🥳 initial version

.env.example

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+FAB_HOST=localhost
+FAB_PORT=59661
+FAB_USER=Testuser
+FAB_PASS=secret

.gitmodules

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+[submodule "pyfabapi"]
+	path = pyfabapi
+	url = https://gitlab.com/fabinfra/fabaccess/pyfabapi.git
+[submodule "zenflows-crypto"]
+	path = zenflows-crypto
+	url = git@github.com:interfacerproject/zenflows-crypto.git

example/new_session.sh

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+#!/bin/sh
+
+curl -X POST -H 'Content-Type:application/json' -d "@session.json" http://localhost:8000/new-session

example/session.json

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+{
+	"command": "OPEN",
+	"eddsa_public_key": "EdDja2UdyPPEduFhXLEzzRHuW9TdaG7g16oVFAXWYvHt",
+	"eddsa_signature": "4YApLBq9KMytJZmcRUdU2Ltn6QqLiDCPWshziBJymeP88vRg63VNWL19PM8TxZjcQvkBU6g7ABmwXdCyPnzWsNjM",
+	"timestamp": "1234567"
+}

main.py

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+import asyncio
+from  pyfabapi import fabapi
+import pyfabapi.fabapi.user_system
+
+from typing import Union
+
+from fastapi import FastAPI
+from pydantic import BaseModel
+
+from zenroom import zencode_exec
+
+import json
+
+import os
+from dotenv import load_dotenv 
+
+load_dotenv()
+
+class Config:
+    fab_host: string
+    fab_port: int
+    fab_user: string
+    fab_pass: string
+
+    def __init__(self):
+        self.fab_host = os.getenv("FAB_HOST")
+        self.fab_port = int(os.getenv("FAB_PORT"))
+        self.fab_user = os.getenv("FAB_USER")
+        self.fab_pass = os.getenv("FAB_PASS")
+
+with open('zenflows-crypto/src/verify_fabaccess_open.zen','r') as file:
+        zen_verify_open = file.read()
+
+with open('zenflows-crypto/src/verify_fabaccess_cmd.zen','r') as file:
+        zen_verify_cmd = file.read()
+
+class NewSession(BaseModel):
+    timestamp: str
+    command: str
+    eddsa_public_key: str
+    eddsa_signature: str
+
+class Command(BaseModel):
+    timestamp: str
+    token: str
+    service: str
+    command: str
+    eddsa_public_key: str
+    eddsa_signature: str
+
+app = FastAPI()
+conf = Config()
+
+# Maybe the session is useless
+@app.post("/new-session")
+async def new_session(cmd: NewSession):
+    zen_result = zencode_exec(zen_verify_open, keys=cmd.json())
+
+    if zen_result.output == '':
+        raise HTTPException(status_code=500, detail="Invalid signature")
+
+    res = json.loads(zen_result.output)
+
+    if res["output"][0] != 'ok':
+        raise HTTPException(status_code=500, detail="Invalid signature")
+
+    return {"token": "todo"}
+
+@app.get("/command")
+async def read_root(cmd: Command):
+    zen_result = zencode_exec(zen_verify_cmd, keys=cmd.json())
+
+    if zen_result.output == '':
+        raise HTTPException(status_code=500, detail="Invalid signature")
+
+    res = json.loads(zen_result.output)
+
+    if res["output"][0] != 'ok':
+        raise HTTPException(status_code=500, detail="Invalid signature")
+
+
+    # a service "urn:fabaccess:resource:Another"
+
+    session = await fabapi.connect(conf.fab_host, conf.fab_port, conf.fab_user, conf.fab_pass)
+    info = session.machineSystem.info
+    ma = await info.getMachineURN(cmd.service).a_wait()
+
+    if ma.just:
+        print(ma)
+        print(ma.just)
+        await ma.just.use.use().a_wait()
+    else:
+        raise HTTPException(status_code=500, detail="No such resource")

pyfabapi

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+Subproject commit 2383a6cc0dd3c49a677e05e5cedd6854d89f4237

requirements.txt

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+fastapi==0.90.0
+meson==1.0.0
+ninja==1.11.1
+pycapnp==1.3.0
+pydantic==1.10.4
+python-dotenv==0.21.1
+uvicorn==0.20.0
+zenroom==2.16.4

zenflows-crypto

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+Subproject commit 49c4f42c667d53101efaec52617b19b0abc96089