Friendica 2026.05 on the shared MySQL and Redis, with its worker daemon as a sidecar. friendica_settle repairs what its install leaves: the system user has no name, so the system account that signs its fetches is never made; the web container cannot see the sidecar's daemon, so a queued job waits for the five-minute cron unless the daemon is declared running; its log needs a file and debugging on. Accounts are saved through its API with locked=0 (a number: "true" reads as 0, unlocked), which makes them soapbox pages that take followers without following back, and each one's outbox is read once: a Follow that reaches an account Friendica has not cached makes it fetch the account from itself, signed, and checking that signature recursed for five minutes, holding PrivaPub's first follow past its timeout. scenarios/friendica.sh passes its 25 checks from a clean install: follows and unfollows, posts (a titled one with its title), comments, likes, Friendica's dislike as a downvote, boosts, edits (through its web editor: its Mastodon API never federates one) and deletes, both ways. The town gets a Friendica driver (HTTP Basic, its MySQL read through mysql_json, edits in the web editor, no bookmark on a reply) and specs/friendica-pair.json, which passes its 275 checks. On the way: - the checker knows Friendica's thread model: a non-public reply reaches an account only under posts it holds, and a Friendica account's non-public reply in a thread another server owns reaches nobody else there; - the seeder answers a follow request the target still holds whatever the follower's server says: Friendica reports a follow of someone already following its account as made at once (and shows that persona's followers-only posts while a locked persona still holds the request); - the selftest skips polls where a platform has none; the shared MySQL helpers move to peers/shared.sh. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01LsXgEaXee4GCU1hwYgPJXw
507 lines
21 KiB
Python
507 lines
21 KiB
Python
"""The coherence sweep: what every server should hold, show and count, from the plan and the ledger, against what each
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one does hold (its database) and show (its API, as one account). Writes out/<run>/results.json.
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Each check is a cell `feature|origin|observer|direction`:
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in a peer's object as PrivaPub holds it out PrivaPub's object as a peer holds it
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via a peer's object on another peer, through PrivaPub (a community it hosts)
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control a peer's object on another peer, PrivaPub not involved (tells a PrivaPub bug from a peer quirk)
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local an object on its own server
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Known gaps (gaps.json) turn a failure into xfail, and a pass of a known gap into XPASS."""
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import json
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import os
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import re
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import sys
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import time
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from collections import defaultdict
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import gen
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import state
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from core import podman
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from dialects import driver
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HERE = os.path.dirname(os.path.abspath(__file__))
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HEARTS = {"❤", "❤️", "♥", "♥️"}
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# what each platform keeps when it is sent something: Lemmy keeps only what lives in communities, and private messages
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RECEIVES = {
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"lemmy": {"community", "direct"},
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}
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# Misskey and its forks drop a reply whose parent they cannot fetch ("Error in inReplyTo ... 404"): a reply to a
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# followers-only post or a DM they do not hold never lands there, whoever sent it (docs/INTEROP.md, Misskey)
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DROPS_ORPHAN_REPLIES = {"misskey", "sharkey"}
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# Pixelfed is a photo platform: it keeps a post only when it carries a picture (a Note without one is dropped as it
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# arrives), and a reply only to a post it holds
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NEEDS_PICTURE = {"pixelfed"}
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# Friendica shows a reply to an account only inside a thread that account holds, under a parent it holds, and counts on
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# the thread's owner to relay the replies in it: a non-public reply never reaches an account that cannot see one of the
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# posts above it, and a Friendica account's non-public reply in a thread another server owns reaches none of the
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# others there (nobody relays a followers-only reply), nor anything under it
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THREAD_BOUND = {"friendica"}
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class World:
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"""The plan and the ledger together: accounts, follows that held, groups and their members, objects with URIs."""
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def __init__(self, run_dir):
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with open(os.path.join(run_dir, "spec.json")) as f:
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self.spec = json.load(f)
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snap = os.path.join(run_dir, "plan.json")
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if os.path.exists(snap):
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with open(snap) as f:
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self.planner = gen.Stored(json.load(f))
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else:
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self.planner = gen.Planner(self.spec)
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self.planner.plan()
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self.facts = []
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with open(os.path.join(run_dir, "ledger.jsonl")) as f:
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self.facts = [json.loads(line) for line in f if line.strip()]
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self.ok_steps = {f["n"] for f in self.facts if f.get("type") not in ("error", "unsupported") and "n" in f}
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self.failed = {f["n"]: f for f in self.facts if f.get("type") in ("error", "unsupported")}
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# a fact's fetched_on names the objects its server had to fetch first (a reply's parent, a quote), and an
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# interaction that arrived_by fetch made its actor's server fetch its object: both are kept per fetched object
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fetched = defaultdict(set)
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for f in self.facts:
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for platform, refs in (f.get("fetched_on") or {}).items():
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for ref in refs:
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fetched[ref].add(platform)
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if f.get("type") == "interaction" and f.get("arrived_by") == "fetch":
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fetched[f["ref"]].add(self.platform(f["actor"]))
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self.objects = {}
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for f in self.facts:
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if f.get("type") == "object":
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o = dict(self.planner.objects[f["ref"]])
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o.update(uri=f["uri"], origin=f["origin"], fetched_on=sorted(fetched[f["ref"]]))
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self.objects[f["ref"]] = o
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self.deleted = {f["ref"] for f in self.facts if f.get("type") == "mutation" and f["verb"] == "delete"}
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self.edited = {f["ref"] for f in self.facts if f.get("type") == "mutation" and f["verb"] == "edit"}
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self.follows = self._follows()
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self.members = self._members()
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self.interactions = [f for f in self.facts if f.get("type") == "interaction"]
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def _follows(self):
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"""A follow holds once the follow went out and the target either needs no approval or gave it. A follow of an
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unlocked remote account answers "requested" until its Accept arrives, so the plan's lock flag decides."""
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accepted = set()
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for f in self.facts:
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if f.get("type") != "relation":
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continue
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if f["verb"] == "follow" and (f["state"] == "accepted" or not self.planner.accounts[f["target"]]["locked"]):
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accepted.add((f["actor"], f["target"]))
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elif f["verb"] == "accept":
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accepted.add((f["target"], f["actor"]))
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edges = defaultdict(set)
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for follower, target in accepted:
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edges[target].add(follower)
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return edges
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def _members(self):
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members = defaultdict(set)
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joined = {}
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for f in self.facts:
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if f.get("type") != "relation":
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continue
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if f["verb"] == "join":
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grp = self.planner.groups[f["group"]]
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if grp["kind"] == "circle" and not f["actor"].startswith("privapub/"):
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joined[(f["group"], f["actor"])] = True # a remote member counts once the owner approves
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else:
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members[f["group"]].add(f["actor"])
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elif f["verb"] == "approve":
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members[f["group"]].add(f["member"])
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for ref, grp in self.planner.groups.items():
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members[ref].add(grp["owner"])
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return members
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def platform(self, key):
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return key.split("/")[0]
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def recipients(self, o):
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"""The accounts an object was addressed to, as the ledger says the graph turned out."""
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v = o["visibility"]
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who = set(o.get("mentions") or ())
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if v in ("public", "unlisted", "followers"):
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who |= self.follows.get(o["author"], set())
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if o.get("parent") and o["parent"] in self.objects:
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who.add(self.objects[o["parent"]]["author"])
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# a quote reaches its quoted author when it is public or unlisted; a followers-only quote stays with the followers
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if o.get("quote") and o["quote"] in self.objects and v in ("public", "unlisted"):
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who.add(self.objects[o["quote"]]["author"])
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elif v == "circle":
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who |= self.members[o["group"]]
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elif v == "community" or (o.get("group") and self.planner.groups.get(o["group"], {}).get("kind") == "community"):
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grp = self.planner.groups[o["group"]]
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who |= self.members[o["group"]] | {grp["owner"]}
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if o.get("parent") and o["parent"] in self.objects:
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who.add(self.objects[o["parent"]]["author"])
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return who - {o["author"]}
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def kind_for(self, o):
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if o["visibility"] == "community" or (o.get("group") and self.planner.groups.get(o["group"], {}).get("kind") == "community"):
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return "community"
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return o["visibility"]
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def direction(origin, observer, through_privapub=False):
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if origin == observer:
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return "local"
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if observer == "privapub":
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return "in"
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if origin == "privapub":
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return "out"
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return "via" if through_privapub else "control"
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class Sweep:
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def __init__(self, world, platforms):
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self.w = world
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self.platforms = platforms
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self.checks = []
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def add(self, feature, origin, observer, ok, ref=None, expect=None, got=None, through=False, how=None):
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self.checks.append({"cell": f"{feature}|{origin}|{observer}|{direction(origin, observer, through)}",
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"feature": feature, "origin": origin, "observer": observer,
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"direction": direction(origin, observer, through), "ok": bool(ok), "ref": ref,
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"expect": expect, "got": got, "how": how})
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def stored_all(self):
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uris = [o["uri"] for o in self.w.objects.values()]
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out = {}
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for p in self.platforms:
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try:
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out[p] = driver(p).stored(uris)
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except Exception as e:
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print(f" {p}: cannot read its database: {e!r}", file=sys.stderr)
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out[p] = {}
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return out
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def run(self, deadline):
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started = time.time()
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while True:
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stored = self.stored_all()
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self.checks = []
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self.delivery(stored)
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self.counts(stored)
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self.threads(stored)
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self.lifecycle(stored)
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failing = [c for c in self.checks if not c["ok"] and c["feature"].startswith(("deliver", "count", "edit", "delete", "thread"))]
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if not failing or time.time() - started > deadline:
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break
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print(f" {len(failing)} checks still failing; sweeping again in 20s", flush=True)
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time.sleep(20)
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self.visibility(stored)
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self.graph()
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self.privacy(stored)
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return self.checks
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# -- who holds what
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def delivery(self, stored):
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for ref, o in self.w.objects.items():
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if ref in self.w.deleted:
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continue
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kind = self.w.kind_for(o)
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recipients = self.w.recipients(o)
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want = {self.w.platform(k) for k in recipients} - {o["origin"]}
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through = kind == "community" and self.w.planner.groups[o["group"]]["host"] == "privapub"
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for p in self.platforms:
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if p == o["origin"]:
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continue
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row = stored.get(p, {}).get(o["uri"])
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held = bool(row and row.exists and not row.deleted)
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receives = RECEIVES.get(p)
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parent = self.w.objects.get(o.get("parent") or "")
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orphan = p in DROPS_ORPHAN_REPLIES and parent is not None \
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and not (stored.get(p, {}).get(parent["uri"]) and stored[p][parent["uri"]].exists) \
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and parent["visibility"] not in ("public", "unlisted")
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if orphan:
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continue
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if p in NEEDS_PICTURE and (o.get("kind") not in ("image", "video") if parent is None
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else not (stored.get(p, {}).get(parent["uri"]) and stored[p][parent["uri"]].exists)):
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continue
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if p in want and (receives is None or kind in receives):
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fetched = p in o.get("fetched_on", {})
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# whether a follower of the author lives on p, or only the accounts it mentions or answers
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followed = any(self.w.platform(k) == p for k in self.w.follows.get(o["author"], ()))
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how = "fetched by the seeder" if fetched else None if followed or kind in ("circle", "community") else "addressed only"
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self.add(f"deliver.{kind}", o["origin"], p, held, ref, "held", "held" if held else "missing", through, how=how)
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elif kind in ("followers", "direct", "circle", "located") and p not in want:
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self.add(f"confine.{kind}", o["origin"], p, not held, ref, "absent", "held" if held else "absent", through)
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# -- counts on the object's own server, and PrivaPub's exact counts
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def counts(self, stored):
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likes, reacts, boosts, votes = defaultdict(int), defaultdict(lambda: defaultdict(int)), defaultdict(int), defaultdict(lambda: defaultdict(int))
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for f in self.w.interactions:
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ref = f["ref"]
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if f["verb"] == "like":
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likes[ref] += 1
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elif f["verb"] == "react":
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# Misskey and its forks send a reaction as a Like carrying the emoji, and PrivaPub keeps a heart there as a
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# like (Reactions.IsHeart); an EmojiReact keeps its heart as a reaction, written ❤️
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if f["emoji"] in HEARTS and self.w.platform(f["actor"]) in ("misskey", "sharkey"):
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likes[ref] += 1
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else:
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reacts[ref]["❤️" if f["emoji"] in HEARTS else f["emoji"]] += 1
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elif f["verb"] == "boost":
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boosts[ref] += 1
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elif f["verb"] == "vote":
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for c in f["choices"]:
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votes[ref][c] += 1
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for ref, o in self.w.objects.items():
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if ref in self.w.deleted:
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continue
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origin = o["origin"]
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row = stored.get(origin, {}).get(o["uri"])
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if not row or not row.exists:
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continue
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v = self.w.kind_for(o)
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if origin == "privapub":
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self.add(f"count.like.{v}", "privapub", "privapub", row.likes == likes[ref], ref, likes[ref], row.likes)
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want_reacts = {e: n for e, n in reacts[ref].items()}
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got_reacts = {e: n for e, n in (row.reactions or {}).items()}
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if want_reacts or got_reacts:
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self.add(f"count.react.{v}", "privapub", "privapub", got_reacts == want_reacts, ref, want_reacts, got_reacts)
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if v in ("public", "unlisted"):
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self.add(f"count.boost.{v}", "privapub", "privapub", row.boosts == boosts[ref], ref, boosts[ref], row.boosts)
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if votes[ref] or row.votes:
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want = [votes[ref].get(i, 0) for i in range(len(row.votes or []))]
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self.add(f"count.vote.{v}", "privapub", "privapub", row.votes == want, ref, want, row.votes)
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elif origin != "lemmy":
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# elsewhere: at least the plain likes that every platform sends as Like
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plain = sum(1 for f in self.w.interactions if f["ref"] == ref and f["verb"] == "like")
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if plain:
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total = (row.likes or 0)
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self.add(f"count.like.{v}", "*", origin, total >= plain, ref, f">={plain}", total)
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if boosts[ref]:
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self.add(f"count.boost.{v}", "*", origin, (row.boosts or 0) >= boosts[ref], ref, f">={boosts[ref]}", row.boosts)
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if votes[ref]:
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want = sum(votes[ref].values())
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got = sum(row.votes or [])
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self.add(f"count.vote.{v}", "*", origin, got >= want, ref, f">={want}", got)
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# -- threads: each copy of a reply names its parent
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def threads(self, stored):
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for ref, o in self.w.objects.items():
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if not o.get("parent") or ref in self.w.deleted or o["parent"] not in self.w.objects:
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continue
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parent_uri = self.w.objects[o["parent"]]["uri"]
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for p in self.platforms:
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row = stored.get(p, {}).get(o["uri"])
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if not row or not row.exists or row.deleted or p == "lemmy":
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continue
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# a server links a reply to a parent it holds; one it never received (a followers-only post of
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# someone nobody there follows) leaves the reply unlinked, rightly
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parent = stored.get(p, {}).get(parent_uri)
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if not parent or not parent.exists:
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continue
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self.add("thread.parent", o["origin"], p, row.parent_uri == parent_uri, ref, parent_uri, row.parent_uri)
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def audience_servers(self, o):
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return {self.w.platform(k) for k in self.w.recipients(o)} | {o["origin"]}
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# -- edits and deletes reach every copy in the object's audience (a server holding it through a boost or a fetch
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# is sent no Update: Mastodon and the others address edits to the post's own audience only)
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def lifecycle(self, stored):
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for ref in self.w.edited - self.w.deleted:
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o = self.w.objects.get(ref)
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if not o:
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continue
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audience = self.audience_servers(o)
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for p in self.platforms:
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row = stored.get(p, {}).get(o["uri"])
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if not row or not row.exists or row.deleted or p in ("misskey",) or p not in audience:
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continue
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text = re.sub("<[^>]+>", "", row.text or "")
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self.add("edit.text", o["origin"], p, "(edited)" in text, ref, "(edited)", text[-60:])
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for ref in self.w.deleted:
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o = self.w.objects.get(ref)
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if not o:
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continue
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audience = self.audience_servers(o)
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for p in self.platforms:
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if p not in audience:
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continue
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row = stored.get(p, {}).get(o["uri"])
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gone = not row or not row.exists or row.deleted
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self.add("delete.gone", o["origin"], p, gone, ref, "gone", "gone" if gone else "held")
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# -- what accounts see through their APIs
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def visibility(self, stored):
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sessions = {f"{s.account.platform}/{s.account.username}": s for s in state.sessions()}
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by_platform = defaultdict(list)
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for ref, o in self.w.objects.items():
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if ref in self.w.deleted or o["visibility"] in ("public", "unlisted", "community"):
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continue
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recipients = self.w.recipients(o)
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for p in self.platforms:
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if p == "lemmy":
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continue
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row = stored.get(p, {}).get(o["uri"])
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if not row or not row.exists or row.deleted:
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continue
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here = [k for k in self.w.planner.accounts if self.w.platform(k) == p and k != o["author"]]
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inside = sorted(k for k in here if k in recipients and self.in_thread(p, o, k))[:2]
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outside = sorted(k for k in here if k not in recipients)[:2]
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for k in inside:
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by_platform[p].append((ref, o, k, True))
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for k in outside:
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by_platform[p].append((ref, o, k, False))
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for p, items in by_platform.items():
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d = driver(p)
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for ref, o, k, should in items:
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s = sessions.get(k)
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if s is None:
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continue
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try:
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seen = d.seen(s, [o["uri"]])[o["uri"]]
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except Exception as e:
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seen = None
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feature = f"{'see' if should else 'hide'}.{o['visibility']}"
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self.add(feature, o["origin"], p, seen is should, ref, should, seen, how=k)
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def in_thread(self, p, o, k):
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"""Whether a reply can reach account k on platform p, where a platform shows replies only in threads (THREAD_BOUND)."""
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if p not in THREAD_BOUND or not o.get("parent"):
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return True
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chain, node = [], o
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while node is not None:
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chain.append(node)
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node = self.w.objects.get(node.get("parent") or "")
|
|
root, shown = chain[-1], ("public", "unlisted", "community")
|
|
if any(a["visibility"] not in shown and k != a["author"] and k not in self.w.recipients(a) for a in chain[1:]):
|
|
return False
|
|
return not any(a["origin"] == p and root["origin"] != p and a["visibility"] not in shown and k != a["author"] for a in chain[:-1])
|
|
|
|
# -- the graph as each side reports it
|
|
def graph(self):
|
|
sessions = {f"{s.account.platform}/{s.account.username}": s for s in state.sessions()}
|
|
for target, followers in self.w.follows.items():
|
|
for follower in followers:
|
|
fp = self.w.platform(follower)
|
|
s = sessions.get(follower)
|
|
if s is None:
|
|
continue
|
|
try:
|
|
rel = driver(fp).relationship(s, gen.Planner.acct(target))
|
|
ok = rel.get("following")
|
|
except Exception as e:
|
|
ok, rel = False, repr(e)[:100]
|
|
self.add("graph.following", self.w.platform(target), fp, ok, None, True, ok, how=f"{follower} -> {target}")
|
|
|
|
# -- privacy rows
|
|
def privacy(self, stored):
|
|
personas = [k for k in self.w.planner.accounts if k.startswith("privapub/")]
|
|
# PV1 sibling keys differ, PV2 published is a whole day at most two weeks before now
|
|
from core.http import client
|
|
http = client()
|
|
keys, published = {}, {}
|
|
for k in personas:
|
|
name = k.split("/")[1]
|
|
r = http.get(f"https://privapub.test/peasants/{name}", headers={"Accept": "application/activity+json"})
|
|
doc = r.json() or {}
|
|
keys[k] = (doc.get("publicKey") or {}).get("publicKeyPem")
|
|
published[k] = doc.get("published")
|
|
roots = defaultdict(list)
|
|
for k in personas:
|
|
roots[self.w.planner.accounts[k]["root"]].append(k)
|
|
for root, sibs in roots.items():
|
|
pems = [keys[k] for k in sibs]
|
|
self.add("privacy.sibling-keys", "privapub", "privapub", all(pems) and len(set(pems)) == len(pems), None,
|
|
"distinct", f"{len(set(pems))} of {len(pems)}")
|
|
for k in sibs:
|
|
p = published[k] or ""
|
|
self.add("privacy.published-day", "privapub", "privapub", p.endswith("T00:00:00Z"), None, "midnight", p, how=k)
|
|
# PV4 canaries: no root login or password anywhere on a peer
|
|
canaries = {a["root"] for a in self.w.planner.accounts.values() if a.get("root")} | \
|
|
{a["password"] for a in self.w.planner.accounts.values() if a.get("root")}
|
|
for p in self.platforms:
|
|
if p == "privapub":
|
|
continue
|
|
found = canary_hits(p, canaries)
|
|
self.add("privacy.canary", "privapub", p, not found, None, "no root login or password", found or "none")
|
|
# PV7 located posts never left
|
|
for ref, o in self.w.objects.items():
|
|
if o["visibility"] != "located":
|
|
continue
|
|
held = [p for p in self.platforms if p != "privapub" and stored.get(p, {}).get(o["uri"]) and stored[p][o["uri"]].exists]
|
|
jobs = podman.mongo(f"db.Job.countDocuments({{Kind: 0, Payload: /{re.escape(o['uri'].rsplit('/', 1)[1])}/}})") or 0
|
|
self.add("privacy.located-stays", "privapub", "*", not held and not jobs, ref, "nowhere, no delivery",
|
|
{"held": held, "jobs": jobs})
|
|
|
|
|
|
def canary_hits(platform, canaries):
|
|
"""Which canaries a peer's database holds anywhere (a full dump, searched as text)."""
|
|
db = {"mastodon": "mastodon", "misskey": "misskey", "sharkey": "sharkey", "akkoma": "akkoma", "lemmy": "lemmy"}.get(platform)
|
|
if db:
|
|
dump = podman.run("exec", "pasture-postgres", "pg_dump", "-U", "pasture", "--data-only", db, timeout=600)
|
|
elif platform == "gts":
|
|
dump = podman.run("exec", "pasture-gts", "sh", "-c", "cat /gotosocial/storage/sqlite.db /gotosocial/storage/sqlite.db-wal 2>/dev/null | strings", check=False)
|
|
else:
|
|
return []
|
|
return sorted(c for c in canaries if c in dump)
|
|
|
|
|
|
def load_gaps():
|
|
try:
|
|
with open(os.path.join(HERE, "gaps.json")) as f:
|
|
return json.load(f)
|
|
except FileNotFoundError:
|
|
return []
|
|
|
|
|
|
def classify(checks, gaps):
|
|
for c in checks:
|
|
gap = next((g for g in gaps if g.get("status") != "closed" and _matches(g["match"], c)), None)
|
|
if gap:
|
|
c["gap"] = gap["id"]
|
|
c["status"] = "xpass" if c["ok"] else "xfail"
|
|
else:
|
|
c["status"] = "pass" if c["ok"] else "fail"
|
|
return checks
|
|
|
|
|
|
def _matches(match, c):
|
|
for k, pattern in match.items():
|
|
if not re.fullmatch(pattern, str(c.get(k, ""))):
|
|
return False
|
|
return True
|
|
|
|
|
|
def summarise(checks):
|
|
cells = {}
|
|
for c in checks:
|
|
cell = cells.setdefault(c["cell"], {"n": 0, "pass": 0, "fail": 0, "xfail": 0, "xpass": 0, "examples": []})
|
|
cell["n"] += 1
|
|
cell[c["status"]] += 1
|
|
if c["status"] in ("fail", "xpass") and len(cell["examples"]) < 3:
|
|
cell["examples"].append({k: c[k] for k in ("ref", "expect", "got", "how") if c.get(k) is not None})
|
|
return cells
|
|
|
|
|
|
def main(args):
|
|
import seed
|
|
name = next((a for a in args if not a.startswith("--")), "village")
|
|
run_dir = seed.run_dir(name)
|
|
world = World(run_dir)
|
|
platforms = [p for p in gen.HOSTS if p in world.spec["peers"]]
|
|
deadline = world.spec.get("time", {}).get("deadlineSeconds", 240)
|
|
for a in args:
|
|
if a.startswith("--deadline="):
|
|
deadline = int(a.split("=", 1)[1])
|
|
print(f"checking {run_dir}: {len(world.objects)} objects on {len(platforms)} servers")
|
|
checks = classify(Sweep(world, platforms).run(deadline), load_gaps())
|
|
cells = summarise(checks)
|
|
from collections import Counter
|
|
totals = Counter(c["status"] for c in checks)
|
|
result = {"run": run_dir, "when": time.strftime("%Y-%m-%dT%H:%M:%SZ", time.gmtime()), "totals": totals,
|
|
"checks": checks, "cells": cells}
|
|
with open(os.path.join(run_dir, "results.json"), "w") as f:
|
|
json.dump(result, f, indent=1, default=str, ensure_ascii=False)
|
|
print(json.dumps(totals))
|
|
failing = sorted((c, v) for c, v in cells.items() if v["fail"])
|
|
for cell, v in failing[:60]:
|
|
print(f" FAIL {cell}: {v['fail']}/{v['n']} e.g. {v['examples'][:1]}")
|
|
strict = "--strict" in args
|
|
return 1 if totals.get("fail") or (strict and totals.get("xpass")) else 0
|
|
|
|
|
|
if __name__ == "__main__":
|
|
sys.exit(main(sys.argv[1:]))
|