mirror of
https://github.com/bellingcat/auto-archiver-api.git
synced 2026-06-10 20:48:34 +03:00
204 lines
8.0 KiB
Python
204 lines
8.0 KiB
Python
from functools import cache
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from sqlalchemy.orm import Session, load_only
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from sqlalchemy import Column, or_, func
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from loguru import logger
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from datetime import datetime, timedelta
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from core.config import ALLOW_ANY_EMAIL
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from shared.settings import get_settings
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from . import models, schemas
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import yaml
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DOMAIN_GROUPS = {}
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DOMAIN_GROUPS_LOADED = False
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DATABASE_QUERY_LIMIT = get_settings().DATABASE_QUERY_LIMIT
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# --------------- TASK = Archive
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def get_archive(db: Session, id: str, email: str):
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email = email.lower()
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query = base_query(db).filter(models.Archive.id == id)
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if email != ALLOW_ANY_EMAIL:
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groups = get_user_groups(db, email)
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query = query.filter(or_(models.Archive.public == True, models.Archive.author_id == email, models.Archive.group_id.in_(groups)))
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return query.first()
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def search_archives_by_url(db: Session, url: str, email: str, skip: int = 0, limit: int = 100, archived_after: datetime = None, archived_before: datetime = None, absolute_search: bool = False):
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# searches for partial URLs, if email is * no ownership filtering happens
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query = base_query(db)
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if email != ALLOW_ANY_EMAIL:
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email = email.lower()
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groups = get_user_groups(db, email)
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query = query.filter(or_(models.Archive.public == True, models.Archive.author_id == email, models.Archive.group_id.in_(groups)))
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if absolute_search:
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query = query.filter(models.Archive.url == url)
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else:
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query = query.filter(models.Archive.url.like(f'%{url}%'))
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if archived_after:
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query = query.filter(models.Archive.created_at > archived_after)
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if archived_before:
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query = query.filter(models.Archive.created_at < archived_before)
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return query.order_by(models.Archive.created_at.desc()).offset(skip).limit(min(limit, DATABASE_QUERY_LIMIT)).all()
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def search_archives_by_email(db: Session, email: str, skip: int = 0, limit: int = 100):
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email = email.lower()
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return base_query(db).filter(models.Archive.author_id == email).order_by(models.Archive.created_at.desc()).offset(skip).limit(min(limit, DATABASE_QUERY_LIMIT)).all()
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def create_task(db: Session, task: schemas.ArchiveCreate, tags: list[models.Tag], urls: list[models.ArchiveUrl]):
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db_task = models.Archive(id=task.id, url=task.url, result=task.result, public=task.public, author_id=task.author_id, group_id=task.group_id)
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db_task.tags = tags
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db_task.urls = urls
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db.add(db_task)
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db.commit()
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db.refresh(db_task)
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return db_task
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def soft_delete_task(db: Session, task_id: str, email: str) -> bool:
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# TODO: implement hard-delete with cronjob that deletes from S3
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db_task = db.query(models.Archive).filter(models.Archive.id == task_id, models.Archive.author_id == email, models.Archive.deleted == False).first()
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if db_task:
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db_task.deleted = True
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db.commit()
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return db_task is not None
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def count_archives(db: Session):
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return db.query(func.count(models.Archive.id)).scalar()
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def count_archive_urls(db: Session):
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return db.query(func.count(models.ArchiveUrl.url)).scalar()
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def count_users(db: Session):
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return db.query(func.count(models.User.email)).scalar()
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def count_by_user_since(db: Session, seconds_delta: int = 15):
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time_threshold = datetime.now() - timedelta(seconds=seconds_delta)
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return db.query(models.Archive.author_id, func.count().label('total'))\
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.filter(models.Archive.created_at >= time_threshold)\
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.group_by(models.Archive.author_id)\
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.order_by(func.count().desc())\
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.limit(500).all()
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def base_query(db: Session):
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# TODO: allow only some fields to be returned, for example author should remain hidden
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return db.query(models.Archive)\
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.options(load_only(models.Archive.id, models.Archive.created_at, models.Archive.url, models.Archive.result))\
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.filter(models.Archive.deleted == False)
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# --------------- TAG
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def create_tag(db: Session, tag: str):
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db_tag = db.query(models.Tag).filter(models.Tag.id == tag).first()
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if not db_tag:
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db_tag = models.Tag(id=tag)
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db.add(db_tag)
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db.commit()
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db.refresh(db_tag)
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return db_tag
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def is_active_user(db: Session, email: str) -> bool:
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email = email.lower()
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if "@" not in email: return False
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global DOMAIN_GROUPS, DOMAIN_GROUPS_LOADED
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if not DOMAIN_GROUPS_LOADED: upsert_user_groups(db)
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domain = email.split('@')[1]
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if domain in DOMAIN_GROUPS: return True
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return len(email) and db.query(models.User).filter(models.User.email == email, models.User.is_active == True).first() is not None
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def is_user_in_group(db: Session, group_name: str, email: str) -> models.Group:
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if email == ALLOW_ANY_EMAIL: return True
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return len(group_name) and len(email) and group_name in get_user_groups(db, email)
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def get_user_groups(db: Session, email: str):
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email = email.lower()
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if "@" not in email: return []
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global DOMAIN_GROUPS, DOMAIN_GROUPS_LOADED
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if not DOMAIN_GROUPS_LOADED: upsert_user_groups(db)
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# given an email retrieves the user groups from the DB and then the email-domain groups from a global variable
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groups = db.query(models.association_table_user_groups).filter_by(user_id=email).with_entities(Column("group_id")).all()
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user_level_groups = [g[0] for g in groups]
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domain_level_groups = DOMAIN_GROUPS.get(email.split('@')[1], [])
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logger.success(f"EMAIL {email} has {user_level_groups=} and {domain_level_groups=}")
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return list(set(user_level_groups) | set(domain_level_groups))
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# --------------- INIT User-Groups
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def create_or_get_user(db: Session, author_id: str, is_active: bool = models.User.is_active.default.arg) -> models.User:
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if type(author_id) == str: author_id = author_id.lower()
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db_user = db.query(models.User).filter(models.User.email == author_id).first()
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if not db_user:
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db_user = models.User(email=author_id, is_active=is_active)
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db.add(db_user)
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db.commit()
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db.refresh(db_user)
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return db_user
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@cache
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def create_or_get_group(db: Session, group_name: str) -> models.Group:
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db_group = db.query(models.Group).filter(models.Group.id == group_name).first()
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if db_group is None:
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db_group = models.Group(id=group_name)
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db.add(db_group)
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db.commit()
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db.refresh(db_group)
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return db_group
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def upsert_user_groups(db: Session):
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global DOMAIN_GROUPS, DOMAIN_GROUPS_LOADED
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"""
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reads the user_groups yaml file and inserts any new users, groups,
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along with new participation of users in groups
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"""
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logger.debug("Updating user-groups configuration.")
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filename = get_settings().USER_GROUPS_FILENAME
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# read yaml safely
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try:
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with open(filename) as inf:
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user_groups_yaml = yaml.safe_load(inf)
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except Exception as e:
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logger.error(f"could not open user groups filename {filename}: {e}")
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raise e
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# updating domain->groups access
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DOMAIN_GROUPS = user_groups_yaml.get("domains", {})
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# upserting in DB
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user_groups = user_groups_yaml.get("users", {})
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logger.debug(f"Found {len(user_groups)} users.")
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db.query(models.association_table_user_groups).delete()
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# set all users to inactive
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db.query(models.User).update({models.User.is_active: False})
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for user_email, groups in user_groups.items():
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user_email = user_email.lower()
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assert '@' in user_email, f'Invalid user email {user_email}'
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logger.info(f"email='{user_email[0:3]}...{user_email[-8:]}', {groups=}")
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db_user = db.query(models.User).filter(models.User.email == user_email).first()
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if db_user is None:
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db_user = models.User(email=user_email, is_active=True)
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db.add(db_user)
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else:
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db_user.is_active = True
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if not groups: continue # avoid hanging in for x in None:
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for group in groups:
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db_group = create_or_get_group(db, group)
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db_group.users.append(db_user)
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db.commit()
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count_user_groups = db.query(models.association_table_user_groups).count()
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logger.success(f"Completed refresh, now: {count_user_groups} user-groups relationships.")
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DOMAIN_GROUPS_LOADED = True
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