feat/Update_Controllers_to_Allow_for_Premium_Membership
This commit is contained in:
+28
-5
@@ -17,6 +17,7 @@ import torch
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import pytesseract
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from urllib import request as urllib_request
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from urllib.error import URLError, HTTPError
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from contextvars import ContextVar
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app = FastAPI(title="Local AI Service")
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@@ -33,6 +34,8 @@ AI_SERVICE_TOKEN_HEADER = "X-Ai-Service-Token"
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# /health stays open: the backend probe and the compose healthcheck both call it, and it
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# exposes no user data and no generation path.
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AI_SERVICE_OPEN_PATHS = {"/health"}
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EXTERNAL_AI_ALLOWED_HEADER = "X-Ai-External-Allowed"
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_external_ai_allowed = ContextVar("external_ai_allowed", default=False)
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@app.middleware("http")
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@@ -45,7 +48,18 @@ async def require_service_token(request: Request, call_next):
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{"detail": "Invalid or missing service token."},
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status_code=401,
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)
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return await call_next(request)
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allowed = (
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EXTERNAL_AI_ENABLED
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and request.headers.get(EXTERNAL_AI_ALLOWED_HEADER, "").strip().lower() == "true"
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)
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token = _external_ai_allowed.set(allowed)
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try:
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response = await call_next(request)
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if request.url.path.startswith("/cv/"):
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response.headers["X-Ai-Provider"] = _effective_provider()
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return response
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finally:
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_external_ai_allowed.reset(token)
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MODEL_NAME = "sshleifer/distilbart-cnn-12-6"
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MAX_INPUT_CHARS = 20000
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@@ -61,6 +75,7 @@ OLLAMA_MODEL = os.getenv("OLLAMA_MODEL", "")
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# Default stays "ollama" so the service works keyless/local. /summarize stays local
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# (distilbart) regardless of this setting.
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AI_PROVIDER = (os.getenv("AI_PROVIDER", "ollama").strip().lower() or "ollama")
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EXTERNAL_AI_ENABLED = os.getenv("EXTERNAL_AI_ENABLED", "").strip().lower() in {"1", "true", "yes"}
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GEMINI_API_KEY = os.getenv("GEMINI_API_KEY", "").strip()
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GEMINI_MODEL = os.getenv("GEMINI_MODEL", "gemini-2.0-flash").strip()
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GEMINI_BASE_URL = os.getenv("GEMINI_BASE_URL", "https://generativelanguage.googleapis.com").rstrip("/")
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@@ -448,6 +463,12 @@ def _provider_configured() -> bool:
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return bool(OLLAMA_MODEL)
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def _effective_provider() -> str:
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if EXTERNAL_AI_ENABLED and _external_ai_allowed.get() and AI_PROVIDER in {"gemini", "groq"}:
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return AI_PROVIDER
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return "ollama"
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def _http_post_json(url: str, payload: dict, headers: dict, timeout: int) -> dict:
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data = json.dumps(payload).encode("utf-8")
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req = urllib_request.Request(
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@@ -514,7 +535,7 @@ def _groq_generate(prompt: str, *, json_mode: bool, temperature: float, timeout:
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def _provider_generate(prompt: str, *, json_mode: bool, temperature: float, timeout: int) -> str:
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provider = AI_PROVIDER
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provider = _effective_provider()
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try:
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if provider == "gemini":
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return _gemini_generate(prompt, json_mode=json_mode, temperature=temperature, timeout=timeout)
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@@ -530,9 +551,10 @@ def _provider_generate(prompt: str, *, json_mode: bool, temperature: float, time
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def _ollama_generate_json(prompt: str):
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provider = _effective_provider()
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raw = _provider_generate(prompt, json_mode=True, temperature=0.1, timeout=120)
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if not raw:
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raise HTTPException(status_code=502, detail=f"{_provider_display(AI_PROVIDER)} returned an empty response.")
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raise HTTPException(status_code=502, detail=f"{_provider_display(provider)} returned an empty response.")
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try:
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return json.loads(raw)
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except json.JSONDecodeError:
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@@ -540,13 +562,14 @@ def _ollama_generate_json(prompt: str):
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end = raw.rfind("}")
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if start >= 0 and end > start:
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return json.loads(raw[start:end + 1])
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raise HTTPException(status_code=502, detail=f"{_provider_display(AI_PROVIDER)} did not return valid JSON.")
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raise HTTPException(status_code=502, detail=f"{_provider_display(provider)} did not return valid JSON.")
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def _ollama_generate_text(prompt: str) -> str:
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provider = _effective_provider()
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raw = _provider_generate(prompt, json_mode=False, temperature=0.2, timeout=180)
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if not raw:
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raise HTTPException(status_code=502, detail=f"{_provider_display(AI_PROVIDER)} returned an empty rewrite.")
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raise HTTPException(status_code=502, detail=f"{_provider_display(provider)} returned an empty rewrite.")
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return raw
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@@ -11,7 +11,7 @@ if str(ROOT) not in sys.path:
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sys.path.insert(0, str(ROOT))
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def load_app_module(monkeypatch, *, skip_model_load=True, ollama_model=None, service_token=None):
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def load_app_module(monkeypatch, *, skip_model_load=True, ollama_model=None, service_token=None, external_ai_enabled=False):
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if skip_model_load:
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monkeypatch.setenv("AI_SERVICE_SKIP_MODEL_LOAD", "1")
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else:
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@@ -26,6 +26,10 @@ def load_app_module(monkeypatch, *, skip_model_load=True, ollama_model=None, ser
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monkeypatch.delenv("OLLAMA_MODEL", raising=False)
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else:
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monkeypatch.setenv("OLLAMA_MODEL", ollama_model)
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if external_ai_enabled:
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monkeypatch.setenv("EXTERNAL_AI_ENABLED", "true")
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else:
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monkeypatch.delenv("EXTERNAL_AI_ENABLED", raising=False)
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if "app" in sys.modules:
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del sys.modules["app"]
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module = importlib.import_module("app")
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@@ -227,7 +231,8 @@ def test_provider_gemini_dispatch(monkeypatch):
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monkeypatch.setenv("AI_PROVIDER", "gemini")
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monkeypatch.setenv("GEMINI_API_KEY", "test-key")
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monkeypatch.setenv("GEMINI_MODEL", "gemini-2.0-flash")
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module = load_app_module(monkeypatch)
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module = load_app_module(monkeypatch, external_ai_enabled=True)
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module._external_ai_allowed.set(True)
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captured = {}
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payload = {"candidates": [{"content": {"parts": [{"text": '{"score": 9}'}]}}]}
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@@ -244,7 +249,8 @@ def test_provider_gemini_dispatch(monkeypatch):
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def test_provider_groq_dispatch(monkeypatch):
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monkeypatch.setenv("AI_PROVIDER", "groq")
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monkeypatch.setenv("GROQ_API_KEY", "test-key")
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module = load_app_module(monkeypatch)
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module = load_app_module(monkeypatch, external_ai_enabled=True)
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module._external_ai_allowed.set(True)
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captured = {}
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payload = {"choices": [{"message": {"content": "rewritten CV text"}}]}
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@@ -259,7 +265,8 @@ def test_provider_groq_dispatch(monkeypatch):
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def test_provider_missing_cloud_key_raises_503(monkeypatch):
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monkeypatch.setenv("AI_PROVIDER", "gemini")
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monkeypatch.delenv("GEMINI_API_KEY", raising=False)
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module = load_app_module(monkeypatch)
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module = load_app_module(monkeypatch, external_ai_enabled=True)
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module._external_ai_allowed.set(True)
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from fastapi import HTTPException
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@@ -284,6 +291,31 @@ def test_health_reports_active_provider(monkeypatch):
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assert payload["ai_provider_configured"] is True
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def test_external_provider_requires_admin_gate_and_backend_consent_header(monkeypatch):
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monkeypatch.setenv("AI_PROVIDER", "gemini")
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monkeypatch.setenv("GEMINI_API_KEY", "test-key")
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module = load_app_module(monkeypatch, ollama_model="qwen2.5:7b", external_ai_enabled=True)
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captured = {}
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_install_fake_urlopen(monkeypatch, module, {"response": "rewritten locally"}, captured)
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client = TestClient(module.app)
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local_response = client.post("/cv/rewrite", json={"instruction": "Rewrite", "text": "Synthetic CV"})
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assert local_response.status_code == 200
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assert captured["url"].startswith("http://127.0.0.1:11434/")
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assert local_response.headers["X-Ai-Provider"] == "ollama"
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external_payload = {"candidates": [{"content": {"parts": [{"text": "rewritten externally"}]}}]}
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_install_fake_urlopen(monkeypatch, module, external_payload, captured)
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external_response = client.post(
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"/cv/rewrite",
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json={"instruction": "Rewrite", "text": "Synthetic CV"},
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headers={"X-Ai-External-Allowed": "true"},
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)
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assert external_response.status_code == 200
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assert "generativelanguage" in captured["url"]
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assert external_response.headers["X-Ai-Provider"] == "gemini"
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def test_service_token_rejects_calls_without_the_header(monkeypatch):
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module = load_app_module(monkeypatch, service_token="s3cret")
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client = TestClient(module.app)
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