mirror of
https://github.com/l5yth/potato-mesh.git
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ea9c633eff
* Handle legacy config migration for XDG assets * Ensure legacy key migration precedes identity load * Apply rufo formatting to identity module
122 lines
4.0 KiB
Ruby
122 lines
4.0 KiB
Ruby
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# frozen_string_literal: true
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require "fileutils"
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module PotatoMesh
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module App
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# Filesystem helpers responsible for migrating legacy assets to XDG compliant
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# directories and preparing runtime storage locations.
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module Filesystem
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# Execute all filesystem migrations required before the application boots.
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#
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# @return [void]
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def perform_initial_filesystem_setup!
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migrate_legacy_database!
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migrate_legacy_keyfile!
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migrate_legacy_well_known_assets!
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end
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private
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# Copy the legacy database file into the configured XDG data directory.
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#
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# @return [void]
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def migrate_legacy_database!
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return unless default_database_destination?
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migrate_legacy_file(
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PotatoMesh::Config.legacy_db_path,
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PotatoMesh::Config.db_path,
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chmod: 0o600,
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context: "filesystem.db",
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)
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end
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# Copy the legacy keyfile into the configured XDG configuration directory.
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#
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# @return [void]
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def migrate_legacy_keyfile!
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PotatoMesh::Config.legacy_keyfile_candidates.each do |candidate|
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migrate_legacy_file(
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candidate,
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PotatoMesh::Config.keyfile_path,
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chmod: 0o600,
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context: "filesystem.keys",
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)
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end
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end
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# Copy the legacy well-known document into the configured XDG directory.
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#
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# @return [void]
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def migrate_legacy_well_known_assets!
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destination = File.join(
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PotatoMesh::Config.well_known_storage_root,
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File.basename(PotatoMesh::Config.well_known_relative_path),
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)
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PotatoMesh::Config.legacy_well_known_candidates.each do |candidate|
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migrate_legacy_file(
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candidate,
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destination,
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chmod: 0o644,
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context: "filesystem.well_known",
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)
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end
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end
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# Migrate a legacy file if it exists and the destination has not been created yet.
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#
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# @param source_path [String] absolute path to the legacy file.
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# @param destination_path [String] absolute path to the new file location.
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# @param chmod [Integer, nil] optional permission bits applied to the destination file.
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# @param context [String] logging context describing the migration target.
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# @return [void]
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def migrate_legacy_file(source_path, destination_path, chmod:, context:)
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return if source_path == destination_path
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return unless File.exist?(source_path)
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return if File.exist?(destination_path)
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FileUtils.mkdir_p(File.dirname(destination_path))
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FileUtils.cp(source_path, destination_path)
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File.chmod(chmod, destination_path) if chmod
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debug_log(
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"Migrated legacy file to XDG directory",
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context: context,
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source: source_path,
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destination: destination_path,
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)
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rescue SystemCallError => e
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warn_log(
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"Failed to migrate legacy file",
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context: context,
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source: source_path,
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destination: destination_path,
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error_class: e.class.name,
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error_message: e.message,
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)
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end
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# Determine whether the database destination matches the configured default.
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#
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# @return [Boolean] true when the destination should receive migrated data.
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def default_database_destination?
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PotatoMesh::Config.db_path == PotatoMesh::Config.default_db_path
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end
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end
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end
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end
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