126 lines
4.4 KiB
Ruby
126 lines
4.4 KiB
Ruby
class PageContentsController < OrbitAdminController
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require 'uri'
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IMG_INFO = {}
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def index
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params = OrbitHelper.params
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if params["wiki"].present?
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page = WikiPage.where(:uid => params["wiki"].to_s).first
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page.view_count += 1
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page.save
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name = page.name rescue ""
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html = page.content rescue ""
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url_to_edit = OrbitHelper.user_can_edit?(page) ? "/admin/wiki_pages/#{page.id}/edit?page_id=#{page.page.id.to_s}" : ""
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else
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page = Page.where(:page_id => params[:page_id].to_s).first
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name = page.name rescue ""
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html = page.page_contexts.order(:version=>-1).first.content rescue ""
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url_to_edit = OrbitHelper.user_can_edit?(page) ? "/admin/page_contents/new?page_id=#{page.id.to_s}" : ""
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end
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request = OrbitHelper.request
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meta_desc = html.nil? ? "" : ActionView::Base.full_sanitizer.sanitize(html)[0..200]
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doc = Nokogiri::HTML( html )
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img_srcs = doc.css('img').map{ |i| i['src'] }.compact
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metas = [{"property" => "og:description", "content" => meta_desc},{"property" => "og:type", "content" => "Article"}]
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if img_srcs.count > 0
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img_src = img_srcs[0]
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metas << {"property" => "og:image", "content" => URI.join(request.base_url, URI.encode(img_src)).to_s}
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if img_src.start_with?('/')
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img_src_path = File.join('public', img_src)
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image = MiniMagick::Image.open(img_src_path)
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if image[:width]
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metas << {"property" => "og:image:width", "content" => image[:width].to_s}
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end
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if image[:height]
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metas << {"property" => "og:image:height", "content" => image[:height].to_s}
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end
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else
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res = get_response(URI.parse(img_src))
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image = IMG_INFO[img_src]
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if image.nil?
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if res.code == "200"
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image_file = Tempfile.new
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image_file.binmode
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image_file.write(res.body)
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image = MiniMagick::Image.open(image_file.path)
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IMG_INFO[img_src] = {width: image[:width], height: image[:height]}
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if image[:width]
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metas << {"property" => "og:image:width", "content" => image[:width].to_s}
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end
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if image[:height]
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metas << {"property" => "og:image:height", "content" => image[:height].to_s}
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end
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image_file.close
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image_file.unlink
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else
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IMG_INFO[img_src] = {}
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end
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else
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if image[:width]
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metas << {"property" => "og:image:width", "content" => image[:width].to_s}
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end
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if image[:height]
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metas << {"property" => "og:image:height", "content" => image[:height].to_s}
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end
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end
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end
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end
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OrbitHelper.render_meta_tags(metas)
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{
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"html" => html,
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"title" => name,
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"view_count" => (page.view_count rescue ""),
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"view-count-head" =>t('page_content.view_count'),
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"url_to_edit" => url_to_edit
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}
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end
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private
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def net_http_get_response(uri,headers={})
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port = uri.port
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host = uri.host
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http = Net::HTTP.new(host, port)
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scheme = uri.scheme
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if scheme == "https" || port.to_i == 443
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http.verify_mode = OpenSSL::SSL::VERIFY_NONE
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http.use_ssl = true
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end
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http.open_timeout = 5
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relative_path = (uri.path.blank? ? "/" : uri.path)
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if !relative_path.start_with?("http") && !relative_path.start_with?("/")
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relative_path = "/" + relative_path
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end
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relative_path = relative_path.sub(/^\/\.\.\/(\.\.\/)*/,'/')
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while relative_path.include?("/../") do
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relative_path = relative_path.gsub(/\/[^\/]+\/\.\.\//,'/')
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end
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relative_path = relative_path.gsub('//','/')
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relative_path = URI.decode(relative_path)
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relative_path += (uri.query.blank? ? '' : "?#{URI.decode(uri.query)}")
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res = http.get(relative_path.gsub(" ","%20"))
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if res.code == "400"
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res = http.get(URI.encode(relative_path.gsub(" ","%20")))
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end
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res.uri = uri
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res
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end
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def get_response(uri)
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res = net_http_get_response(uri)
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if res.code == "301" || res.code == "302"
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location = res['Location']
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cookie = res['Set-Cookie']
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headers = {
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'Cookie' => cookie.to_s
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}
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if location[0] == "/"
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uri = URI.parse("#{uri.scheme}://#{uri.host}#{location}")
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else
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uri = URI.parse(location)
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end
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res = net_http_get_response(uri,headers)
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end
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return res
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end
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end |