160 lines
6.5 KiB
Python
160 lines
6.5 KiB
Python
"""image-fetch phase: SSRF guard, fetch+process+store, run completion, resume (§6.5.4/§6.9)."""
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import io
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import threading
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from http.server import BaseHTTPRequestHandler, HTTPServer
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import psycopg
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import pytest
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from PIL import Image
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from app.domains.products import imagefetch, repo
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from app.platform import db, objectstore
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def _png(w, h):
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buf = io.BytesIO(); Image.new("RGB", (w, h), (1, 2, 3)).save(buf, "PNG"); return buf.getvalue()
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class _Host(BaseHTTPRequestHandler):
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GOOD = _png(800, 800)
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TINY = _png(64, 64)
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def log_message(self, *a): pass
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def do_GET(self):
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if self.path.startswith("/good.png"):
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self.send_response(200); self.send_header("Content-Type", "image/png")
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self.end_headers(); self.wfile.write(self.GOOD)
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elif self.path.startswith("/tiny.png"):
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self.send_response(200); self.send_header("Content-Type", "image/png")
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self.end_headers(); self.wfile.write(self.TINY)
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else:
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self.send_response(404); self.end_headers()
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@pytest.fixture()
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def host():
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srv = HTTPServer(("127.0.0.1", 0), _Host)
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t = threading.Thread(target=srv.serve_forever, daemon=True); t.start()
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yield f"http://127.0.0.1:{srv.server_address[1]}"
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srv.shutdown()
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@pytest.fixture()
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def pool(fresh_db_url):
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with psycopg.connect(fresh_db_url) as conn:
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db.migrate(conn); conn.commit()
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p = db.open_pool(fresh_db_url, max_size=6)
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yield p
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p.close()
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def _seed(pool):
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"""account+storefront+run; returns (storefront_id, account_id, run_id)."""
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with pool.connection() as conn:
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acct = conn.execute("INSERT INTO account (email) VALUES ('m@example.com') RETURNING id").fetchone()[0]
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sf = conn.execute("INSERT INTO storefront (name) VALUES ('Shop') RETURNING id").fetchone()[0]
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conn.execute("INSERT INTO storefront_membership (account_id, storefront_id) VALUES (%s,%s)", (acct, sf))
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rid = conn.execute(
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"INSERT INTO import_run (storefront_id, account_id, file_name, dialect,"
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" products_added, products_updated, rows_errored, status)"
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" VALUES (%s,%s,'c.csv','canonical',0,0,0,'fetching_images') RETURNING id", (sf, acct)).fetchone()[0]
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conn.commit()
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return sf, acct, rid
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def _product(pool, sf, handle):
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with pool.connection() as conn:
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pid = conn.execute("INSERT INTO product (storefront_id, handle, title) VALUES (%s,%s,%s) RETURNING id",
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(sf, handle, handle.title())).fetchone()[0]
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conn.commit()
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return pid
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def _image(pool, pid, url, rid, position=1):
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with pool.connection() as conn:
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iid = conn.execute("INSERT INTO product_image (product_id, source_url, position, status, import_run_id)"
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" VALUES (%s,%s,%s,'pending',%s) RETURNING id", (pid, url, position, rid)).fetchone()[0]
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conn.commit()
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return iid
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def _img_row(pool, iid):
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with pool.connection() as conn:
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r = conn.execute("SELECT status, key_original, key_thumb, key_card, key_detail FROM product_image WHERE id=%s",
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(iid,)).fetchone()
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return {"status": r[0], "key_original": r[1], "key_thumb": r[2], "key_card": r[3], "key_detail": r[4]}
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def _run_status(pool, rid):
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with pool.connection() as conn:
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return conn.execute("SELECT status FROM import_run WHERE id=%s", (rid,)).fetchone()[0]
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def test_ssrf_guard_rejects_private_when_disallowed():
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with pytest.raises(imagefetch.FetchBlocked):
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imagefetch.fetch_bytes("http://127.0.0.1:1/x.png", allow_private=False)
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with pytest.raises(imagefetch.FetchBlocked):
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imagefetch.fetch_bytes("http://169.254.169.254/latest/meta-data", allow_private=False)
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with pytest.raises(imagefetch.FetchBlocked):
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imagefetch.fetch_bytes("ftp://example.com/x", allow_private=False)
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def test_ssrf_guard_allows_private_when_enabled(host):
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data, ctype = imagefetch.fetch_bytes(f"{host}/good.png", allow_private=True)
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assert ctype.startswith("image/") and len(data) > 0
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def test_run_phase_classifies_each_image(pool, host, tmp_path):
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store = objectstore.LocalObjectStore(str(tmp_path))
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sf, _acct, rid = _seed(pool)
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p = _product(pool, sf, "lamp")
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ok = _image(pool, p, f"{host}/good.png", rid, position=1)
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_image(pool, p, f"{host}/tiny.png", rid, position=2)
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_image(pool, p, f"{host}/missing.png", rid, position=3)
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imagefetch.run_image_phase(pool, store, rid, allow_private=True)
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with pool.connection() as conn:
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counts = repo.run_image_counts(conn, rid)
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assert counts["fetched"] == 1 and counts["rejected"] == 1 and counts["failed"] == 1
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row = _img_row(pool, ok)
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assert row["status"] == "fetched"
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for k in ("key_original", "key_thumb", "key_card", "key_detail"):
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assert row[k] and store.get(row[k])
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assert _run_status(pool, rid) == "complete_with_problems"
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def test_unexpected_processing_error_marks_image_failed_not_wedged(pool, host, tmp_path, monkeypatch):
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# If anything after the fetch raises unexpectedly (e.g. objectstore.put),
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# the image is marked failed and the run still reaches a terminal status —
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# never stranded in fetching_images.
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store = objectstore.LocalObjectStore(str(tmp_path))
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sf, _acct, rid = _seed(pool)
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p = _product(pool, sf, "lamp")
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iid = _image(pool, p, f"{host}/good.png", rid, position=1)
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def _boom(*a, **k):
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raise RuntimeError("storage down")
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monkeypatch.setattr(store, "put", _boom)
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imagefetch.run_image_phase(pool, store, rid, allow_private=True)
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with pool.connection() as conn:
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counts = repo.run_image_counts(conn, rid)
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assert counts["failed"] == 1 and counts["pending"] == 0
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assert _run_status(pool, rid) == "complete_with_problems"
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row = _img_row(pool, iid)
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assert row["status"] == "failed"
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def test_resume_after_kill_completes_remaining(pool, host, tmp_path):
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store = objectstore.LocalObjectStore(str(tmp_path))
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sf, _acct, rid = _seed(pool)
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p = _product(pool, sf, "lamp")
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a = _image(pool, p, f"{host}/good.png", rid, position=1)
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with pool.connection() as conn: # simulate crash: one already fetched, run still fetching_images
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repo.mark_image_fetched(conn, a, {"original": "o", "thumb": "t", "card": "c", "detail": "d"})
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conn.commit()
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_image(pool, p, f"{host}/good.png?2", rid, position=2) # still pending
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resumed = imagefetch.recover_incomplete_runs(pool, store, allow_private=True)
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assert rid in resumed
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with pool.connection() as conn:
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assert repo.run_image_counts(conn, rid)["pending"] == 0
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assert _run_status(pool, rid) == "complete"
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