mirror of
https://github.com/neocities/neocities.git
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90 lines
No EOL
3 KiB
Ruby
90 lines
No EOL
3 KiB
Ruby
require 'RMagick'
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require 'timeout'
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require 'securerandom'
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require 'thread'
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require 'open3'
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# Don't judge - Ruby handling of timeouts is a joke..
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module Phantomjs
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def self.run(*args, &block)
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pid = nil
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stdin, stdout, stderr, wait_thr = nil
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begin
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Timeout::timeout(50) do
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stdin, stdout, stderr, wait_thr = Open3.popen3(path, *args)
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pid = wait_thr.pid
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wait_thr.join
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return stdout.read
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end
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rescue Timeout::Error
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stdin.close
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stdout.close
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stderr.close
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Process.kill 'QUIT', pid
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raise Timeout::Error
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end
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end
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end
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class ScreenshotWorker
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SCREENSHOTS_PATH = File.join DIR_ROOT, 'public', 'site_screenshots'
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include Sidekiq::Worker
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sidekiq_options queue: :screenshots, retry: 3, backtrace: true
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def perform(username, filename)
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screenshot = Tempfile.new 'neocities_screenshot'
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screenshot.close
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screenshot_output_path = screenshot.path+'.png'
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begin
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f = Screencap::Fetcher.new("http://#{username}.neocities.org/#{filename}")
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f.fetch(
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output: screenshot_output_path,
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width: 1280,
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height: 720
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)
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rescue Timeout::Error
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puts "#{username}/#{filename} is timing out, discontinuing"
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site = Site[username: username]
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site.update is_crashing: true
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# Don't enable until we know it works well.
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=begin
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if site.email
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EmailWorker.perform_async({
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from: 'web@neocities.org',
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to: site.email,
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subject: "[NeoCities] The web page \"#{filename}\" on your site (#{username}.neocities.org) is slow",
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body: "Hi there! This is an automated email to inform you that we're having issues loading your site to take a "+
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"screenshot. It is possible that this is an error specific to our screenshot program, but it is much more "+
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"likely that your site is too slow to be used with browsers. We don't want Neocities sites crashing browsers, "+
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"so we're taking steps to inform you and see if you can resolve the issue. "+
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"We may have to de-list your web site from being viewable in our browse page if it is not resolved shortly. "+
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"We will review the site manually before taking this step, so don't worry if your site is fine and we made "+
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"a mistake."+
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"\n\nOur best,\n- Neocities"
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})
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end
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=end
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return
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end
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img_list = Magick::ImageList.new
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img_list.from_blob File.read(screenshot_output_path)
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screenshot.unlink
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File.unlink screenshot_output_path
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img_list.new_image(img_list.first.columns, img_list.first.rows) { self.background_color = "white" }
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img = img_list.reverse.flatten_images
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user_screenshots_path = File.join SCREENSHOTS_PATH, username
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FileUtils.mkdir_p user_screenshots_path
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Site::SCREENSHOT_RESOLUTIONS.each do |res|
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img.scale(*res.split('x').collect {|r| r.to_i}).write(File.join(user_screenshots_path, "#{filename}.#{res}.jpg")) {
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self.quality = 90
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}
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end
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end
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end |