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# frozen_string_literal: true
module Integrations
module ChatMessage
class BaseMessage
RELATIVE_LINK_REGEX = %r{!\[[^\]]*\]\((/uploads/[^\)]*)\)}.freeze
attr_reader :markdown
attr_reader :user_full_name
attr_reader :user_name
attr_reader :user_avatar
attr_reader :project_name
attr_reader :project_url
def initialize(params)
@markdown = params[:markdown] || false
@project_name = params[:project_name] || params.dig(:project, :path_with_namespace)
@project_url = params.dig(:project, :web_url) || params[:project_url]
@user_full_name = params.dig(:user, :name) || params[:user_full_name]
@user_name = params.dig(:user, :username) || params[:user_name]
@user_avatar = params.dig(:user, :avatar_url) || params[:user_avatar]
end
def user_combined_name
if user_full_name.present?
"#{user_full_name} (#{user_name})"
else
user_name
end
end
def summary
return message if markdown
format(message)
end
def pretext
summary
end
def fallback
format(message)
end
# NOTE: Make sure to call `#strip_markup` on any untrusted user input that's added to the
# `title`, `subtitle`, `text`, `fallback`, or `author_name` fields.
def attachments
raise NotImplementedError
end
# NOTE: Make sure to call `#strip_markup` on any untrusted user input that's added to the
# `title`, `subtitle`, `text`, `fallback`, or `author_name` fields.
def activity
raise NotImplementedError
end
private
# NOTE: Make sure to call `#strip_markup` on any untrusted user input that's added to the string.
def message
raise NotImplementedError
end
def format(string)
::Slack::Messenger::Util::LinkFormatter.format(format_relative_links(string))
end
def format_relative_links(string)
string.gsub(RELATIVE_LINK_REGEX, "#{project_url}\\1")
end
# Remove unsafe markup from user input, which can be used to hijack links in our own markup,
# or insert new ones.
#
# This currently removes Markdown and Slack "mrkdwn" links (keeping the link label),
# and all HTML markup (keeping the text nodes).
# We can't just escape the markup characters, because each chat app handles this differently.
#
# See:
# - https://api.slack.com/reference/surfaces/formatting#escaping
# - https://gitlab.com/gitlab-org/slack-notifier#escaping
def strip_markup(string)
SlackMarkdownSanitizer.sanitize(string)
end
def attachment_color
'#345'
end
def link(text, url)
"[#{strip_markup(text)}](#{url})"
end
def pretty_duration(seconds)
parse_string =
if duration < 1.hour
'%M:%S'
else
'%H:%M:%S'
end
Time.at(seconds).utc.strftime(parse_string)
end
end
end
end
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