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87 lines
2.7 KiB
87 lines
2.7 KiB
# frozen_string_literal: true
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module Submitters
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module MaybeAssignDefaultBrowserSignature
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SIGNED_UUID_PURPPOSE = 'signature'
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module_function
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def call(submitter, params, cookies = nil, attachments = [])
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if (value = params[:signature_src].presence || params[:signature].presence)
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find_or_create_signature_from_value(submitter, value, attachments)
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elsif params[:signed_signature_uuids].present?
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find_storage_signature(submitter, params[:signed_signature_uuids], attachments)
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elsif cookies
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find_session_signature(submitter, cookies, attachments)
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end
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end
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def find_or_create_signature_from_value(submitter, value, attachments)
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_, attachment = Submitters::NormalizeValues.normalize_attachment_value(value,
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'signature',
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submitter.account,
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attachments,
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submitter)
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attachment.record ||= submitter
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attachment.save!
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attachment
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end
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def sign_signature_uuid(uuid)
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ApplicationRecord.signed_id_verifier.generate(uuid, purpose: SIGNED_UUID_PURPPOSE)
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end
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def verify_signature_uuid(signed_uuid)
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ApplicationRecord.signed_id_verifier.verified(signed_uuid, purpose: SIGNED_UUID_PURPPOSE)
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end
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def find_storage_signature(submitter, signed_uuids, attachments)
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signed_uuid = signed_uuids[submitter.email]
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return if signed_uuid.blank?
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uuid = verify_signature_uuid(signed_uuid)
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return if uuid.blank?
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find_signature_from_uuid(submitter, uuid, attachments)
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end
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def find_session_signature(submitter, cookies, attachments)
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values =
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begin
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JSON.parse(cookies.encrypted[:signature_uuids].presence || '{}')
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rescue JSON::ParserError
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{}
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end
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return if values.blank?
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uuid = values[submitter.email]
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return if uuid.blank?
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find_signature_from_uuid(submitter, uuid, attachments)
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end
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def find_signature_from_uuid(submitter, uuid, attachments)
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signature_attachment = ActiveStorage::Attachment.find_by(uuid:)
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return unless signature_attachment
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return if signature_attachment.record.email != submitter.email
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existing_attachment = attachments.find do |a|
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a.blob_id == signature_attachment.blob_id && submitter.id == a.record_id
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end
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return existing_attachment if existing_attachment
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submitter.attachments_attachments.create_or_find_by!(blob_id: signature_attachment.blob_id)
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end
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end
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end
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