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#39

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みてるぞ
2025-07-17 06:02:10 +09:00
parent 37ff5cbb09
commit 1b08d12bf1
1 changed files with 9 additions and 0 deletions
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backend/app/controllers/preview_controller.rb
+9
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@@ -6,6 +6,10 @@ class PreviewController < ApplicationController
url = params[:url] url = params[:url]
return head :bad_request unless url.present? return head :bad_request unless url.present?
unless url.start_with?(/http(s)?:\/\//)
url = 'http://' + url
end
html = URI.open(url, open_timeout: 5, read_timeout: 5).read html = URI.open(url, open_timeout: 5, read_timeout: 5).read
doc = Nokogiri::HTML.parse(html) doc = Nokogiri::HTML.parse(html)
title = doc.at('title')&.text&.strip title = doc.at('title')&.text&.strip
@@ -17,11 +21,16 @@ class PreviewController < ApplicationController
def thumbnail def thumbnail
# TODO: 既知ドメインであれば指定のアドレスからサムネールを取得するやぅにする． # TODO: 既知ドメインであれば指定のアドレスからサムネールを取得するやぅにする．
return head :unauthorized unless current_user return head :unauthorized unless current_user
url = params[:url] url = params[:url]
return head :bad_request if url.blank? return head :bad_request if url.blank?
unless url.start_with?(/http(s)?:\/\//)
url = 'http://' + url
end
path = Rails.root.join('tmp', "thumb_#{ SecureRandom.hex }.png") path = Rails.root.join('tmp', "thumb_#{ SecureRandom.hex }.png")
system("node #{ Rails.root }/lib/screenshot.js #{ Shellwords.escape(url) } #{ path }") system("node #{ Rails.root }/lib/screenshot.js #{ Shellwords.escape(url) } #{ path }")