debian-mirror-gitlab/lib/gitlab/user_access.rb

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# frozen_string_literal: true
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module Gitlab
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class UserAccess
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extend Gitlab::Cache::RequestCache
request_cache_key do
[user&.id, project&.id]
end
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attr_reader :user
attr_accessor :project
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def initialize(user, project: nil)
@user = user
@project = project
end
def can_do_action?(action)
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return false unless can_access_git?
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permission_cache[action] =
permission_cache.fetch(action) do
user.can?(action, project)
end
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end
def cannot_do_action?(action)
!can_do_action?(action)
end
def allowed?
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return false unless can_access_git?
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if user.requires_ldap_check? && user.try_obtain_ldap_lease
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return false unless Gitlab::Auth::Ldap::Access.allowed?(user)
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end
true
end
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request_cache def can_create_tag?(ref)
return false unless can_access_git?
if protected?(ProtectedTag, project, ref)
protected_tag_accessible_to?(ref, action: :create)
else
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user.can?(:admin_tag, project)
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end
end
request_cache def can_delete_branch?(ref)
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return false unless can_access_git?
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if protected?(ProtectedBranch, project, ref)
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user.can?(:push_to_delete_protected_branch, project)
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else
user.can?(:push_code, project)
end
end
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def can_update_branch?(ref)
can_push_to_branch?(ref) || can_merge_to_branch?(ref)
end
request_cache def can_push_to_branch?(ref)
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return false unless can_access_git?
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return false unless project
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# Checking for an internal project to prevent an infinite loop:
# https://gitlab.com/gitlab-org/gitlab/issues/36805
if project.internal?
return false unless user.can?(:push_code, project)
else
return false if !user.can?(:push_code, project) && !project.branch_allows_collaboration?(user, ref)
end
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if protected?(ProtectedBranch, project, ref)
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protected_branch_accessible_to?(ref, action: :push)
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else
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true
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end
end
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request_cache def can_merge_to_branch?(ref)
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return false unless can_access_git?
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if protected?(ProtectedBranch, project, ref)
protected_branch_accessible_to?(ref, action: :merge)
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else
user.can?(:push_code, project)
end
end
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private
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def permission_cache
@permission_cache ||= {}
end
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request_cache def can_access_git?
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user && user.can?(:access_git)
end
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def protected_branch_accessible_to?(ref, action:)
ProtectedBranch.protected_ref_accessible_to?(
ref, user,
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project: project,
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action: action,
protected_refs: project.protected_branches)
end
def protected_tag_accessible_to?(ref, action:)
ProtectedTag.protected_ref_accessible_to?(
ref, user,
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project: project,
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action: action,
protected_refs: project.protected_tags)
end
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request_cache def protected?(kind, project, refs)
kind.protected?(project, refs)
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end
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end
end