b00ef72581
Lets share-less (Intune/local-account) PCs pull installers the manifest references over HTTPS instead of SMB - the general capability the whole fleet migrates toward. New ManifestBlob registry (migration 0002) with bytes on disk at instance/geenforce/payloads/<sha256> (deduped by content); service.store_blob + blob_path; client-facing GET /api/geenforce/payload/<sha256> (geenforce.fetch token, ETag=hash, serves the blob store or an inline DB payload by hash). The serializer now emits PayloadSource/PayloadSha256/PayloadRef for http/inline entries only (smb entries round-trip unchanged - parity green). CLI 'flask geenforce add-payload <file>' registers a blob and prints its sha256. This is the shopdb half (B1); the PS client/engine fetch is B2.
382 lines
14 KiB
Python
382 lines
14 KiB
Python
"""DB-touching operations for the manifest store.
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Kept out of the CLI and routes so both share one implementation:
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- `replace_scope_draft` imports/re-imports a scope's DRAFT entries WITHOUT
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touching its published-version history (re-import is idempotent + safe).
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- `publish_scope` freezes the current draft into a new immutable snapshot.
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- `rollback_scope` / `export_scope_to_share` round out the publish lifecycle.
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"""
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import hashlib
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import os
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import tempfile
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from datetime import datetime, timezone
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from flask import current_app
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from sqlalchemy import func
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from shopdb.api import db, Application
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from .models import (
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ManifestScope, ManifestPublishedVersion, ManifestEnforcementReport,
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ManifestEnforcementResult, ManifestPayload, ManifestBlob,
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)
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from .importer import build_entry
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from .serializer import scope_to_json
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def _utcnow():
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return datetime.now(timezone.utc).replace(tzinfo=None)
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def _installed_app_model():
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"""Lazily import the computers plugin's ComputerInstalledApp.
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The computers plugin is optional; importing it lazily (not at module load)
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keeps geenforce usable when computers is absent or disabled. Mirrors
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collector._computer_models. Returns the model class, or None if absent.
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"""
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try:
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from plugins.computers.models import ComputerInstalledApp
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return ComputerInstalledApp
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except ImportError:
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return None
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def replace_scope_draft(scopename, phase, manifest):
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"""Create/refresh a scope and REPLACE its draft entries. Published versions
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are left untouched. Returns the scope (uncommitted)."""
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scope = ManifestScope.query.filter_by(
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scopename=scopename, phase=phase).first()
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if not scope:
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scope = ManifestScope(scopename=scopename, phase=phase)
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db.session.add(scope)
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scope.manifestversion = str(manifest.get('Version', '1.0'))
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scope.topcomment = manifest.get('_comment')
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scope.site = manifest.get('Site')
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scope.iscommon = (scopename == 'common')
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for entry in list(scope.entries):
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db.session.delete(entry)
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db.session.flush()
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for i, entry_dict in enumerate(manifest.get('Applications') or []):
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scope.entries.append(build_entry(entry_dict, i))
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return scope
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def publish_scope(scopename, phase, notes=None, publishedby=None):
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"""Freeze the current draft into a new published snapshot. Returns the
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version number (uncommitted)."""
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scope = ManifestScope.query.filter_by(
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scopename=scopename, phase=phase).first()
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if not scope:
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raise ValueError(f'No scope {scopename}/{phase}')
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text = scope_to_json(scope)
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maxversion = db.session.query(
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func.max(ManifestPublishedVersion.versionnumber)
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).filter_by(scopeid=scope.scopeid).scalar() or 0
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ManifestPublishedVersion.query.filter_by(
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scopeid=scope.scopeid, iscurrent=True
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).update({'iscurrent': False})
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db.session.add(ManifestPublishedVersion(
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scopeid=scope.scopeid,
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versionnumber=maxversion + 1,
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manifestjson=text,
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publishedat=_utcnow(),
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publishedby=publishedby,
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iscurrent=True,
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notes=notes))
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return maxversion + 1
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def rollback_scope(scopename, phase, versionnumber):
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"""Make an older published version current again (uncommitted)."""
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scope = ManifestScope.query.filter_by(
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scopename=scopename, phase=phase).first()
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if not scope:
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raise ValueError(f'No scope {scopename}/{phase}')
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target = ManifestPublishedVersion.query.filter_by(
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scopeid=scope.scopeid, versionnumber=versionnumber).first()
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if not target:
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raise ValueError(f'No version {versionnumber} for {scopename}')
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ManifestPublishedVersion.query.filter_by(
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scopeid=scope.scopeid, iscurrent=True
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).update({'iscurrent': False})
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target.iscurrent = True
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return versionnumber
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def record_enforcement_report(payload):
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"""Record one PC's enforcement cycle (observed state). Upserts the latest
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report per (hostname, scopename, phase) and keeps prior ones as history.
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Payload (all but hostname optional):
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hostname, scopename, phase, appliedversion, enforcerversion, lastcheckin,
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counts {installed, skipped, failed, filtered},
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results [{name, action, selfhealed, exitcode, message}]
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Returns the new ManifestEnforcementReport (uncommitted).
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"""
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hostname = (payload.get('hostname') or '').strip()
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if not hostname:
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raise ValueError('hostname is required')
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scopename = (payload.get('scopename') or '').strip()
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phase = (payload.get('phase') or 'runtime').strip()
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counts = payload.get('counts') or {}
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results = payload.get('results') or []
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# Guard wrong JSON shapes: a bad type must be a clean 400, not a 500 from a
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# later .get()/iteration (the route maps ValueError to 400).
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if not isinstance(counts, dict):
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raise ValueError('counts must be an object')
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if not isinstance(results, list):
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raise ValueError('results must be a list')
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failed = int(counts.get('failed', 0))
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installed = int(counts.get('installed', 0))
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# Derive status from EXPLICIT self-heal flags only, never the raw installed
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# count: every healthy cycle runs Always/no-detection scripts (asset report,
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# VNC firewall, EventSaver) that the engine counts as "installed", so keying
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# self-heal off installed>0 would mark the common scope selfhealed forever
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# and make 'ok' unreachable. A drift correction is one the client flags.
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if failed > 0:
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status = 'failed'
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elif any(r.get('selfhealed') for r in results):
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status = 'selfhealed'
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else:
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status = 'ok'
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# Demote the prior current report for this host+scope. Hostname match is
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# case-insensitive to match the ilike read path - otherwise a PC reporting
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# its name in different casing would leave two iscurrent rows.
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ManifestEnforcementReport.query.filter(
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func.lower(ManifestEnforcementReport.hostname) == hostname.lower(),
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ManifestEnforcementReport.scopename == scopename,
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ManifestEnforcementReport.phase == phase,
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ManifestEnforcementReport.iscurrent == True
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).update({'iscurrent': False}, synchronize_session=False)
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report = ManifestEnforcementReport(
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hostname=hostname,
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scopename=scopename,
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phase=phase,
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appliedversion=payload.get('appliedversion'),
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enforcerversion=payload.get('enforcerversion'),
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installedcount=installed,
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skippedcount=int(counts.get('skipped', 0)),
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failedcount=failed,
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filteredcount=int(counts.get('filtered', 0)),
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status=status,
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lastcheckin=_parse_dt(payload.get('lastcheckin')),
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receivedat=_utcnow(),
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iscurrent=True)
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for item in results:
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report.results.append(ManifestEnforcementResult(
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entryname=item.get('name', ''),
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action=item.get('action', ''),
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# Explicit flag only; do NOT infer from action == 'installed'
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# (Always/no-detection scripts install every cycle without being a
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# drift correction).
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selfhealed=bool(item.get('selfhealed', False)),
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exitcode=item.get('exitcode'),
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message=item.get('message')))
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db.session.add(report)
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return report
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def _parse_dt(value):
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if not value:
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return None
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try:
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return datetime.fromisoformat(str(value).replace('Z', '+00:00')).replace(
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tzinfo=None)
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except (ValueError, TypeError):
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return None
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def compliance_for_scope(scope):
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"""Fleet-install coverage for a scope's app-linked entries.
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One row per ManifestEntry that carries a curated appid (unlinked entries
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are skipped), ordered by sortorder. Counts come from the computers plugin's
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ComputerInstalledApp (active rows only, one row per PC per app). Degrades
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gracefully with null counts when the computers plugin is absent.
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Returns the response data dict (scopeid/scopename/phase/computersplugin/rows).
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"""
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linked = [e for e in sorted(scope.entries, key=lambda e: e.sortorder)
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if e.appid is not None]
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installedmodel = _installed_app_model()
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computerspresent = installedmodel is not None
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# One grouped query for the whole scope's appid set (fleet is tiny).
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installedbyapp = {}
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if computerspresent and linked:
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appids = {e.appid for e in linked}
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counted = db.session.query(
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installedmodel.appid, func.count(installedmodel.id)
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).filter(
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installedmodel.isactive == True,
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installedmodel.appid.in_(appids),
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).group_by(installedmodel.appid).all()
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installedbyapp = {appid: count for appid, count in counted}
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rows = []
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for entry in linked:
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app = db.session.get(Application, entry.appid)
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appname = app.appname if app else None
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expectedversion = (entry.detectionvalue
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if entry.detectionmethod == 'FileVersion' else None)
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if not computerspresent:
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installedcount = None
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versionmatchcount = None
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coveragenote = ('computers plugin not installed; install counts '
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'unavailable')
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else:
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installedcount = installedbyapp.get(entry.appid, 0)
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if installedcount == 0:
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versionmatchcount = None if expectedversion is None else 0
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coveragenote = 'not installed on any collected PC'
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elif expectedversion is None:
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versionmatchcount = None
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method = entry.detectionmethod or 'none'
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coveragenote = (f'installed on {installedcount} PC(s); no '
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f'version target (detection is {method})')
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else:
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versionmatchcount = db.session.query(
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func.count(installedmodel.id)
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).filter(
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installedmodel.isactive == True,
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installedmodel.appid == entry.appid,
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installedmodel.installedversion == expectedversion,
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).scalar() or 0
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coveragenote = (f'{versionmatchcount} of {installedcount} '
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'collected PCs on the expected version')
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rows.append({
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'entryid': entry.entryid,
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'entryname': entry.name,
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'appid': entry.appid,
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'appname': appname,
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'expectedversion': expectedversion,
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'installedcount': installedcount,
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'versionmatchcount': versionmatchcount,
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'coveragenote': coveragenote,
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})
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return {
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'scopeid': scope.scopeid,
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'scopename': scope.scopename,
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'phase': scope.phase,
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'computersplugin': computerspresent,
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'rows': rows,
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}
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def _payload_dir():
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d = os.path.join(current_app.instance_path, 'geenforce', 'payloads')
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os.makedirs(d, exist_ok=True)
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return d
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def blob_path(sha256):
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"""Filesystem path where a blob's bytes live (may or may not exist)."""
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return os.path.join(_payload_dir(), sha256)
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def store_blob(rawbytes, filename, contenttype=None):
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"""Store bytes in the content-addressed payload store; return the sha256.
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Deduped by content hash - an already-present blob is not rewritten. Upserts
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a ManifestBlob registry row (uncommitted). Entries reference it by
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payloadsha256; the client fetches GET /api/geenforce/payload/<sha256>.
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"""
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sha = hashlib.sha256(rawbytes).hexdigest()
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path = blob_path(sha)
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if not os.path.exists(path):
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fd, tmp = tempfile.mkstemp(dir=_payload_dir(), suffix='.tmp')
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try:
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with os.fdopen(fd, 'wb') as handle:
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handle.write(rawbytes)
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os.replace(tmp, path)
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except Exception:
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if os.path.exists(tmp):
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os.remove(tmp)
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raise
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if not db.session.get(ManifestBlob, sha):
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db.session.add(ManifestBlob(
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sha256=sha, filename=filename, contenttype=contenttype,
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sizebytes=len(rawbytes), createdat=_utcnow()))
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return sha
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def store_inline_payload(entry, filename, contenttype, rawbytes):
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"""Replace the entry's inline payload with these bytes (uncommitted).
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Computes payloadsha256, upserts the single ManifestPayload row (the table
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has no unique constraint on entryid, so the one-inline-payload-per-entry
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rule is enforced here), and points the entry at it (payloadsource='inline').
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Returns the ManifestPayload.
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"""
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sha = hashlib.sha256(rawbytes).hexdigest()
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ManifestPayload.query.filter_by(entryid=entry.entryid).delete()
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db.session.flush()
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payload = ManifestPayload(
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entryid=entry.entryid,
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filename=filename,
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contenttype=contenttype,
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payloadbytes=rawbytes,
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payloadsha256=sha,
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uploadedat=_utcnow())
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db.session.add(payload)
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entry.payloadsource = 'inline'
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entry.payloadref = filename
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entry.payloadsha256 = sha
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return payload
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def export_scope_to_share(scopename, phase, shareroot):
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"""Write a scope's current published JSON to the share, backing up the old
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file to _meta/history first. Returns the written path."""
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scope = ManifestScope.query.filter_by(
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scopename=scopename, phase=phase).first()
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if not scope:
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raise ValueError(f'No scope {scopename}/{phase}')
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published = scope.publishedversions.filter_by(iscurrent=True).first()
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if not published:
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raise ValueError(f'{scopename} has no published version')
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if phase == 'preinstall':
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target = os.path.join(shareroot, 'preinstall.json')
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else:
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target = os.path.join(shareroot, scopename, 'manifest.json')
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os.makedirs(os.path.dirname(target), exist_ok=True)
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if os.path.isfile(target):
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historydir = os.path.join(shareroot, '_meta', 'history')
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os.makedirs(historydir, exist_ok=True)
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stamp = _utcnow().strftime('%Y%m%d-%H%M%S')
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with open(target) as src:
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old = src.read()
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with open(os.path.join(historydir, f'{stamp}-{scopename}.json'), 'w') as dst:
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dst.write(old)
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# Atomic write: a partial/failed write must never leave the live on-share
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# manifest (which every PC reads) truncated. Write a temp file in the same
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# directory, then rename over the target.
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targetdir = os.path.dirname(target)
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fd, tmppath = tempfile.mkstemp(dir=targetdir, suffix='.tmp')
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try:
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with os.fdopen(fd, 'w') as handle:
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handle.write(published.manifestjson)
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os.replace(tmppath, target)
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except Exception:
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if os.path.exists(tmppath):
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os.remove(tmppath)
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raise
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return target
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