513 lines
18 KiB
Python
513 lines
18 KiB
Python
""" List, create and manage repositories. """
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import logging
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import datetime
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import features
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from collections import defaultdict
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from datetime import timedelta, datetime
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from flask import request, abort
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from app import dockerfile_build_queue, tuf_metadata_api
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from data import model, oci_model
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from endpoints.api import (format_date, nickname, log_action, validate_json_request,
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require_repo_read, require_repo_write, require_repo_admin,
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RepositoryParamResource, resource, parse_args, ApiResource,
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request_error, require_scope, path_param, page_support,
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query_param, truthy_bool, show_if)
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from endpoints.exception import (Unauthorized, NotFound, InvalidRequest, ExceedsLicenseException,
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DownstreamIssue)
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from endpoints.api.billing import lookup_allowed_private_repos, get_namespace_plan
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from endpoints.api.subscribe import check_repository_usage
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from auth.permissions import (ModifyRepositoryPermission, AdministerRepositoryPermission,
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CreateRepositoryPermission, ReadRepositoryPermission)
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from auth.auth_context import get_authenticated_user
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from auth import scopes
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from util.names import REPOSITORY_NAME_REGEX
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logger = logging.getLogger(__name__)
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REPOS_PER_PAGE = 100
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MAX_DAYS_IN_3_MONTHS = 92
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def check_allowed_private_repos(namespace):
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""" Checks to see if the given namespace has reached its private repository limit. If so,
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raises a ExceedsLicenseException.
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"""
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# Not enabled if billing is disabled.
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if not features.BILLING:
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return
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if not lookup_allowed_private_repos(namespace):
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raise ExceedsLicenseException()
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@resource('/v1/repository')
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class RepositoryList(ApiResource):
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"""Operations for creating and listing repositories."""
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schemas = {
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'NewRepo': {
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'type': 'object',
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'description': 'Description of a new repository',
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'required': [
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'repository',
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'visibility',
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'description',
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],
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'properties': {
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'repository': {
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'type': 'string',
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'description': 'Repository name',
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},
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'visibility': {
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'type': 'string',
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'description': 'Visibility which the repository will start with',
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'enum': [
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'public',
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'private',
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],
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},
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'namespace': {
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'type': 'string',
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'description': ('Namespace in which the repository should be created. If omitted, the '
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'username of the caller is used'),
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},
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'description': {
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'type': 'string',
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'description': 'Markdown encoded description for the repository',
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},
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'repo_kind': {
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'type': ['string', 'null'],
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'description': 'The kind of repository',
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'enum': ['image', 'application', None],
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}
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},
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},
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}
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@require_scope(scopes.CREATE_REPO)
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@nickname('createRepo')
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@validate_json_request('NewRepo')
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def post(self):
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"""Create a new repository."""
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owner = get_authenticated_user()
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req = request.get_json()
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if owner is None and 'namespace' not in 'req':
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raise InvalidRequest('Must provide a namespace or must be logged in.')
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namespace_name = req['namespace'] if 'namespace' in req else owner.username
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permission = CreateRepositoryPermission(namespace_name)
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if permission.can():
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repository_name = req['repository']
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visibility = req['visibility']
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existing = model.repository.get_repository(namespace_name, repository_name)
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if existing:
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raise request_error(message='Repository already exists')
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visibility = req['visibility']
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if visibility == 'private':
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check_allowed_private_repos(namespace_name)
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# Verify that the repository name is valid.
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if not REPOSITORY_NAME_REGEX.match(repository_name):
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raise InvalidRequest('Invalid repository name')
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kind = req.get('repo_kind', 'image') or 'image'
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repo = model.repository.create_repository(namespace_name, repository_name, owner, visibility,
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repo_kind=kind)
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repo.description = req['description']
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repo.save()
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log_action('create_repo', namespace_name, {'repo': repository_name,
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'namespace': namespace_name}, repo=repo)
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return {
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'namespace': namespace_name,
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'name': repository_name,
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'kind': kind,
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}, 201
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raise Unauthorized()
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@require_scope(scopes.READ_REPO)
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@nickname('listRepos')
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@parse_args()
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@query_param('namespace', 'Filters the repositories returned to this namespace', type=str)
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@query_param('starred', 'Filters the repositories returned to those starred by the user',
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type=truthy_bool, default=False)
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@query_param('public', 'Adds any repositories visible to the user by virtue of being public',
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type=truthy_bool, default=False)
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@query_param('last_modified', 'Whether to include when the repository was last modified.',
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type=truthy_bool, default=False)
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@query_param('popularity', 'Whether to include the repository\'s popularity metric.',
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type=truthy_bool, default=False)
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@query_param('repo_kind', 'The kind of repositories to return', type=str, default='image')
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@page_support()
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def get(self, page_token, parsed_args):
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""" Fetch the list of repositories visible to the current user under a variety of situations.
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"""
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# Ensure that the user requests either filtered by a namespace, only starred repositories,
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# or public repositories. This ensures that the user is not requesting *all* visible repos,
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# which can cause a surge in DB CPU usage.
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if not parsed_args['namespace'] and not parsed_args['starred'] and not parsed_args['public']:
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raise InvalidRequest('namespace, starred or public are required for this API call')
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user = get_authenticated_user()
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username = user.username if user else None
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next_page_token = None
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repos = None
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repo_kind = parsed_args['repo_kind']
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# Lookup the requested repositories (either starred or non-starred.)
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if parsed_args['starred']:
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if not username:
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# No repositories should be returned, as there is no user.
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abort(400)
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# Return the full list of repos starred by the current user that are still visible to them.
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def can_view_repo(repo):
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return ReadRepositoryPermission(repo.namespace_user.username, repo.name).can()
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unfiltered_repos = model.repository.get_user_starred_repositories(user, kind_filter=repo_kind)
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repos = [repo for repo in unfiltered_repos if can_view_repo(repo)]
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elif parsed_args['namespace']:
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# Repositories filtered by namespace do not need pagination (their results are fairly small),
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# so we just do the lookup directly.
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repos = list(model.repository.get_visible_repositories(username=username,
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include_public=parsed_args['public'],
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namespace=parsed_args['namespace'],
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kind_filter=repo_kind))
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else:
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# Determine the starting offset for pagination. Note that we don't use the normal
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# model.modelutil.paginate method here, as that does not operate over UNION queries, which
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# get_visible_repositories will return if there is a logged-in user (for performance reasons).
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#
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# Also note the +1 on the limit, as paginate_query uses the extra result to determine whether
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# there is a next page.
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start_id = model.modelutil.pagination_start(page_token)
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repo_query = model.repository.get_visible_repositories(username=username,
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include_public=parsed_args['public'],
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start_id=start_id,
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limit=REPOS_PER_PAGE+1,
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kind_filter=repo_kind)
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repos, next_page_token = model.modelutil.paginate_query(repo_query, limit=REPOS_PER_PAGE,
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id_alias='rid')
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# Collect the IDs of the repositories found for subequent lookup of popularity
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# and/or last modified.
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if parsed_args['last_modified'] or parsed_args['popularity']:
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repository_ids = [repo.rid for repo in repos]
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if parsed_args['last_modified']:
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last_modified_map = model.repository.get_when_last_modified(repository_ids)
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if parsed_args['popularity']:
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action_sum_map = model.log.get_repositories_action_sums(repository_ids)
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# Collect the IDs of the repositories that are starred for the user, so we can mark them
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# in the returned results.
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star_set = set()
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if username:
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starred_repos = model.repository.get_user_starred_repositories(user)
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star_set = {starred.id for starred in starred_repos}
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def repo_view(repo_obj):
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repo = {
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'namespace': repo_obj.namespace_user.username,
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'name': repo_obj.name,
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'description': repo_obj.description,
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'is_public': repo_obj.visibility_id == model.repository.get_public_repo_visibility().id,
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'kind': repo_kind,
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}
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repo_id = repo_obj.rid
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if parsed_args['last_modified']:
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repo['last_modified'] = last_modified_map.get(repo_id)
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if parsed_args['popularity']:
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repo['popularity'] = float(action_sum_map.get(repo_id, 0))
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if username:
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repo['is_starred'] = repo_id in star_set
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return repo
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return {
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'repositories': [repo_view(repo) for repo in repos]
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}, next_page_token
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@resource('/v1/repository/<apirepopath:repository>')
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@path_param('repository', 'The full path of the repository. e.g. namespace/name')
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class Repository(RepositoryParamResource):
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"""Operations for managing a specific repository."""
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schemas = {
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'RepoUpdate': {
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'type': 'object',
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'description': 'Fields which can be updated in a repository.',
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'required': [
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'description',
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],
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'properties': {
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'description': {
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'type': 'string',
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'description': 'Markdown encoded description for the repository',
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},
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}
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}
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}
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@parse_args()
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@query_param('includeStats', 'Whether to include action statistics', type=truthy_bool,
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default=False)
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@require_repo_read
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@nickname('getRepo')
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def get(self, namespace, repository, parsed_args):
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"""Fetch the specified repository."""
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logger.debug('Get repo: %s/%s' % (namespace, repository))
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repo = model.repository.get_repository(namespace, repository)
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if repo is None:
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raise NotFound()
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can_write = ModifyRepositoryPermission(namespace, repository).can()
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can_admin = AdministerRepositoryPermission(namespace, repository).can()
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is_starred = (model.repository.repository_is_starred(get_authenticated_user(), repo)
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if get_authenticated_user() else False)
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is_public = model.repository.is_repository_public(repo)
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# Note: This is *temporary* code for the new OCI model stuff.
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if repo.kind.name == 'application':
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def channel_view(channel):
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return {
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'name': channel.name,
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'release': channel.linked_tag.name,
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'last_modified': format_date(datetime.fromtimestamp(channel.linked_tag.lifetime_start / 1000)),
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}
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def release_view(release):
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return {
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'name': release.name,
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'last_modified': format_date(datetime.fromtimestamp(release.lifetime_start / 1000)),
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'channels': releases_channels_map[release.name],
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}
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channels = oci_model.channel.get_repo_channels(repo)
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releases_channels_map = defaultdict(list)
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for channel in channels:
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releases_channels_map[channel.linked_tag.name].append(channel.name)
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repo_data = {
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'namespace': namespace,
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'name': repository,
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'kind': repo.kind.name,
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'description': repo.description,
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'can_write': can_write,
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'can_admin': can_admin,
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'is_public': is_public,
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'is_organization': repo.namespace_user.organization,
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'is_starred': is_starred,
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'channels': [channel_view(chan) for chan in channels],
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'releases': [release_view(release) for release in oci_model.release.get_release_objs(repo)],
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}
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return repo_data
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# Older image-only repo code.
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def tag_view(tag):
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tag_info = {
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'name': tag.name,
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'image_id': tag.image.docker_image_id,
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'size': tag.image.aggregate_size
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}
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if tag.lifetime_start_ts > 0:
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last_modified = format_date(datetime.fromtimestamp(tag.lifetime_start_ts))
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tag_info['last_modified'] = last_modified
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if tag.tagmanifest is not None:
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tag_info['manifest_digest'] = tag.tagmanifest.digest
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return tag_info
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stats = None
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tags = model.tag.list_active_repo_tags(repo)
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tag_dict = {tag.name: tag_view(tag) for tag in tags}
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if parsed_args['includeStats']:
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stats = []
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found_dates = {}
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start_date = datetime.now() - timedelta(days=MAX_DAYS_IN_3_MONTHS)
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counts = model.log.get_repository_action_counts(repo, start_date)
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for count in counts:
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stats.append({
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'date': count.date.isoformat(),
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'count': count.count,
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})
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found_dates['%s/%s' % (count.date.month, count.date.day)] = True
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# Fill in any missing stats with zeros.
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for day in range(1, MAX_DAYS_IN_3_MONTHS):
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day_date = datetime.now() - timedelta(days=day)
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key = '%s/%s' % (day_date.month, day_date.day)
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if not key in found_dates:
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stats.append({
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'date': day_date.date().isoformat(),
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'count': 0,
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})
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repo_data = {
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'namespace': namespace,
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'name': repository,
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'kind': repo.kind.name,
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'description': repo.description,
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'tags': tag_dict,
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'can_write': can_write,
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'can_admin': can_admin,
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'is_public': is_public,
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'is_organization': repo.namespace_user.organization,
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'is_starred': is_starred,
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'status_token': repo.badge_token if not is_public else '',
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'trust_enabled': bool(features.SIGNING) and repo.trust_enabled,
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'tag_expiration_s': repo.namespace_user.removed_tag_expiration_s,
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}
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if stats is not None:
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repo_data['stats'] = stats
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return repo_data
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@require_repo_write
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@nickname('updateRepo')
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@validate_json_request('RepoUpdate')
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def put(self, namespace, repository):
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""" Update the description in the specified repository. """
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repo = model.repository.get_repository(namespace, repository)
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if repo:
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values = request.get_json()
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repo.description = values['description']
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repo.save()
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log_action('set_repo_description', namespace,
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{'repo': repository, 'namespace': namespace, 'description': values['description']},
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repo=repo)
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return {
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'success': True
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}
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raise NotFound()
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@require_repo_admin
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@nickname('deleteRepository')
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def delete(self, namespace, repository):
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""" Delete a repository. """
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model.repository.purge_repository(namespace, repository)
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user = model.user.get_namespace_user(namespace)
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if features.BILLING:
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plan = get_namespace_plan(namespace)
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check_repository_usage(user, plan)
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# Remove any builds from the queue.
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dockerfile_build_queue.delete_namespaced_items(namespace, repository)
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log_action('delete_repo', namespace,
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{'repo': repository, 'namespace': namespace})
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return '', 204
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@resource('/v1/repository/<apirepopath:repository>/changevisibility')
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@path_param('repository', 'The full path of the repository. e.g. namespace/name')
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class RepositoryVisibility(RepositoryParamResource):
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""" Custom verb for changing the visibility of the repository. """
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schemas = {
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'ChangeVisibility': {
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'type': 'object',
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'description': 'Change the visibility for the repository.',
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'required': [
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'visibility',
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],
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'properties': {
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'visibility': {
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'type': 'string',
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'description': 'Visibility which the repository will start with',
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'enum': [
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'public',
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'private',
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],
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},
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}
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}
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}
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@require_repo_admin
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@nickname('changeRepoVisibility')
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@validate_json_request('ChangeVisibility')
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def post(self, namespace, repository):
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""" Change the visibility of a repository. """
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repo = model.repository.get_repository(namespace, repository)
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if repo:
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values = request.get_json()
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visibility = values['visibility']
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if visibility == 'private':
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check_allowed_private_repos(namespace)
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model.repository.set_repository_visibility(repo, visibility)
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log_action('change_repo_visibility', namespace,
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{'repo': repository, 'namespace': namespace, 'visibility': values['visibility']},
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repo=repo)
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return {'success': True}
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@resource('/v1/repository/<apirepopath:repository>/changetrust')
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@path_param('repository', 'The full path of the repository. e.g. namespace/name')
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class RepositoryTrust(RepositoryParamResource):
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""" Custom verb for changing the trust settings of the repository. """
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schemas = {
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'ChangeRepoTrust': {
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'type': 'object',
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'description': 'Change the trust settings for the repository.',
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'required': [
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'trust_enabled',
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],
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'properties': {
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'trust_enabled': {
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'type': 'boolean',
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'description': 'Whether or not signing is enabled for the repository.'
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},
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}
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}
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}
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@show_if(features.SIGNING)
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@require_repo_admin
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@nickname('changeRepoTrust')
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@validate_json_request('ChangeRepoTrust')
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def post(self, namespace, repository):
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""" Change the visibility of a repository. """
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repo = model.repository.get_repository(namespace, repository)
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if not repo:
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raise NotFound()
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tags, _ = tuf_metadata_api.get_default_tags_with_expiration(namespace, repository)
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if tags and not tuf_metadata_api.delete_metadata(namespace, repository):
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raise DownstreamIssue({'message': 'Unable to delete downstream trust metadata'})
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values = request.get_json()
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model.repository.set_trust(repo, values['trust_enabled'])
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log_action('change_repo_trust', namespace,
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{'repo': repository, 'namespace': namespace, 'trust_enabled': values['trust_enabled']},
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repo=repo)
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return {'success': True}
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