124 lines
3.4 KiB
Ruby
124 lines
3.4 KiB
Ruby
# frozen_string_literal: true
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module ThemeStore; end
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class ThemeStore::GitImporter
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COMMAND_TIMEOUT_SECONDS = 20
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attr_reader :url
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def initialize(url, private_key: nil, branch: nil)
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@url = url
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if @url.start_with?("https://github.com") && !@url.end_with?(".git")
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@url = @url.gsub(/\/$/, '')
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@url += ".git"
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end
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@temp_folder = "#{Pathname.new(Dir.tmpdir).realpath}/discourse_theme_#{SecureRandom.hex}"
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@private_key = private_key
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@branch = branch
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end
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def import!
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if @private_key
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import_private!
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else
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import_public!
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end
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if version = Discourse.find_compatible_git_resource(@temp_folder)
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begin
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execute "git", "cat-file", "-e", version
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rescue RuntimeError => e
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tracking_ref = execute "git", "rev-parse", "--abbrev-ref", "--symbolic-full-name", "@{upstream}"
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remote_name = tracking_ref.split("/", 2)[0]
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execute "git", "fetch", remote_name, "#{version}:#{version}"
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end
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begin
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execute "git", "reset", "--hard", version
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rescue RuntimeError
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raise RemoteTheme::ImportError.new(I18n.t("themes.import_error.git_ref_not_found", ref: version))
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end
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end
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end
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def commits_since(hash)
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commit_hash, commits_behind = nil
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commit_hash = execute("git", "rev-parse", "HEAD").strip
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commits_behind = execute("git", "rev-list", "#{hash}..HEAD", "--count").strip rescue -1
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[commit_hash, commits_behind]
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end
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def version
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execute("git", "rev-parse", "HEAD").strip
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end
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def cleanup!
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FileUtils.rm_rf(@temp_folder)
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end
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def real_path(relative)
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fullpath = "#{@temp_folder}/#{relative}"
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return nil unless File.exist?(fullpath)
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# careful to handle symlinks here, don't want to expose random data
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fullpath = Pathname.new(fullpath).realpath.to_s
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if fullpath && fullpath.start_with?(@temp_folder)
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fullpath
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else
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nil
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end
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end
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def all_files
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Dir.glob("**/*", base: @temp_folder).reject { |f| File.directory?(File.join(@temp_folder, f)) }
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end
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def [](value)
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fullpath = real_path(value)
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return nil unless fullpath
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File.read(fullpath)
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end
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protected
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def import_public!
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begin
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if @branch.present?
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Discourse::Utils.execute_command("git", "clone", "--single-branch", "-b", @branch, @url, @temp_folder)
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else
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Discourse::Utils.execute_command("git", "clone", @url, @temp_folder)
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end
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rescue RuntimeError
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raise RemoteTheme::ImportError.new(I18n.t("themes.import_error.git"))
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end
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end
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def import_private!
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ssh_folder = "#{Pathname.new(Dir.tmpdir).realpath}/discourse_theme_ssh_#{SecureRandom.hex}"
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FileUtils.mkdir_p ssh_folder
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File.write("#{ssh_folder}/id_rsa", @private_key)
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FileUtils.chmod(0600, "#{ssh_folder}/id_rsa")
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begin
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git_ssh_command = { 'GIT_SSH_COMMAND' => "ssh -i #{ssh_folder}/id_rsa -o StrictHostKeyChecking=no" }
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if @branch.present?
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Discourse::Utils.execute_command(git_ssh_command, "git", "clone", "--single-branch", "-b", @branch, @url, @temp_folder)
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else
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Discourse::Utils.execute_command(git_ssh_command, "git", "clone", @url, @temp_folder)
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end
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rescue RuntimeError => err
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raise RemoteTheme::ImportError.new(I18n.t("themes.import_error.git"))
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end
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ensure
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FileUtils.rm_rf ssh_folder
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end
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def execute(*args)
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Discourse::Utils.execute_command(*args, chdir: @temp_folder, timeout: COMMAND_TIMEOUT_SECONDS)
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end
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end
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