added full pending post unit test
This commit is contained in:
albert
87
app/logical/download.rb
Normal file
87
app/logical/download.rb
Normal file
@@ -0,0 +1,87 @@
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class Download
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class Error < Exception ; end
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attr_accessor :source, :content_type
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def initialize(source, file_path)
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@source = source
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@file_path = file_path
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end
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# Downloads to @file_path
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def download!
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http_get_streaming(@source) do |response|
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self.content_type = response["Content-Type"]
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File.open(@file_path, "wb") do |out|
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response.read_body(out)
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end
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end
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@source = fix_image_board_sources(@source)
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end
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# private
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def handle_pixiv(source, headers)
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if source =~ /pixiv\.net/
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headers["Referer"] = "http://www.pixiv.net"
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# Don't download the small version
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if source =~ %r!(/img/.+?/.+?)_m.+$!
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match = $1
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source.sub!(match + "_m", match)
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end
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end
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source
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end
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def http_get_streaming(source, options = {})
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max_size = options[:max_size] || Danbooru.config.max_file_size
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max_size = nil if max_size == 0 # unlimited
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limit = 4
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while true
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url = URI.parse(source)
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unless url.is_a?(URI::HTTP)
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raise Error.new("URL must be HTTP")
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end
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Net::HTTP.start(url.host, url.port) do |http|
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http.read_timeout = 10
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headers = {
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"User-Agent" => "#{Danbooru.config.safe_app_name}/#{Danbooru.config.version}"
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}
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source = handle_pixiv(source, headers)
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http.request_get(url.request_uri, headers) do |res|
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case res
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when Net::HTTPSuccess then
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if max_size
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len = res["Content-Length"]
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raise Error.new("File is too large (#{len} bytes)") if len && len.to_i > max_size
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end
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yield(res)
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return
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when Net::HTTPRedirection then
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if limit == 0 then
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raise Error.new("Too many redirects")
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end
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source = res["location"]
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limit -= 1
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else
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raise Error.new("HTTP error code: #{res.code} #{res.message}")
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end
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end # http.request_get
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end # http.start
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end # while
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end # def
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def fix_image_board_sources(source)
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if source =~ /\/src\/\d{12,}|urnc\.yi\.org|yui\.cynthia\.bne\.jp/
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"Image board"
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else
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source
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end
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end
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end
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@@ -1,2 +1,205 @@
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require "danbooru_image_resizer/danbooru_image_resizer"
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require "tmpdir"
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class PendingPost < ActiveRecord::Base
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end
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class Error < Exception ; end
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attr_accessor :file, :image_width, :image_height, :file_ext, :md5, :file_size
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belongs_to :uploader, :class_name => "User"
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def process!
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update_attribute(:status, "processing")
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download_from_source(temp_file_path) if is_downloadable?
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calculate_hash(file_path)
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calculate_file_size(file_path)
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calculate_dimensions(file_path) if has_dimensions?
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generate_resizes(file_path)
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move_file
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post = convert_to_post
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if post.save
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update_attributes(:status => "finished", :post_id => post.id)
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else
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update_attribute(:status, "error: " + post.errors.full_messages.join(", "))
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end
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end
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# private
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module ResizerMethods
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def generate_resizes(source_path)
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generate_resize_for(Danbooru.config.small_image_width, source_path)
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generate_resize_for(Danbooru.config.medium_image_width, source_path)
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generate_resize_for(Danbooru.config.large_image_width, source_path)
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end
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def generate_resize_for(width, source_path)
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return if width.nil?
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return unless image_width > width
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unless File.exists?(source_path)
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raise Error.new("file not found")
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end
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size = Danbooru.reduce_to({:width => image_width, :height => image_height}, {:width => width})
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# If we're not reducing the resolution, only reencode if the source image larger than
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# 200 kilobytes.
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if size[:width] == image_width && size[:height] == image_height && File.size?(source_path) < 200.kilobytes
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return
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end
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Danbooru.resize(file_ext, source_path, resized_file_path_for(width), size, 90)
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end
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end
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module DimensionMethods
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# Figures out the dimensions of the image.
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def calculate_dimensions(file_path)
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image_size = ImageSize.new(File.open(file_path, "rb"))
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self.image_width = image_size.get_width
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self.image_height = image_size.get_height
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end
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# Does this file have image dimensions?
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def has_dimensions?
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%w(jpg gif png swf).include?(file_ext)
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end
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end
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module ContentTypeMethods
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def content_type_to_file_ext(content_type)
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case content_type
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when "image/jpeg"
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"jpg"
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when "image/gif"
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"gif"
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when "image/png"
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"png"
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when "application/x-shockwave-flash"
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"swf"
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else
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"bin"
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end
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end
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# Converts a content type string to a file extension
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def file_ext_to_content_type(file_ext)
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case file_ext
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when /\.jpeg$|\.jpg$/
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"image/jpeg"
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when /\.gif$/
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"image/gif"
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when /\.png$/
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"image/png"
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when /\.swf$/
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"application/x-shockwave-flash"
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else
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"application/octet-stream"
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end
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end
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end
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module FilePathMethods
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def md5_file_path
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prefix = Rails.env == "test" ? "test." : ""
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"#{Rails.root}/public/data/original/#{prefix}#{md5}.#{file_ext}"
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end
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def resized_file_path_for(width)
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prefix = Rails.env == "test" ? "test." : ""
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case width
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when Danbooru.config.small_image_width
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"#{Rails.root}/public/data/thumb/#{prefix}#{md5}.jpg"
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when Danbooru.config.medium_image_width
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"#{Rails.root}/public/data/medium/#{prefix}#{md5}.jpg"
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when Danbooru.config.large_image_width
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"#{Rails.root}/public/data/large/#{prefix}#{md5}.jpg"
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end
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end
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def temp_file_path
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File.join(Dir::tmpdir, "#{Time.now.to_f}.#{$PROCESS_ID}")
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end
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end
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module DownloaderMethods
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# Determines whether the source is downloadable
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def is_downloadable?
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source =~ /^http:\/\// && file_path.blank?
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end
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# Downloads the file to destination_path
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def download_from_source(destination_path)
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download = Download.new(source, destination_path)
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download.download!
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self.file_path = destination_path
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self.content_type = download.content_type || file_ext_to_content_type(source)
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self.file_ext = content_type_to_file_ext(content_type)
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self.source = download.source
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end
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end
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module CgiFileMethods
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# Moves the cgi file to file_path
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def convert_cgi_file(destination_path)
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return if file.blank? || file.size == 0
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if file.local_path
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FileUtils.mv(file.local_path, destination_path)
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else
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File.open(destination_path, 'wb') do |out|
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out.write(file.read)
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end
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end
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self.file_path = destination_path
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self.content_type = file.content_type || file_ext_to_content_type(file.original_filename)
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self.file_ext = content_type_to_file_ext(content_type)
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end
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end
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include ResizerMethods
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include DimensionMethods
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include ContentTypeMethods
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include DownloaderMethods
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include FilePathMethods
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include CgiFileMethods
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# private
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def convert_to_post
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returning Post.new do |p|
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p.tag_string = tag_string
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p.md5 = md5
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p.file_ext = file_ext
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p.image_width = image_width
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p.image_height = image_height
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p.uploader_id = uploader_id
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p.uploader_ip_addr = uploader_ip_addr
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p.rating = rating
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p.source = source
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p.file_size = file_size
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end
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end
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def move_file
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FileUtils.mv(file_path, md5_file_path)
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end
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def calculate_file_size(source_path)
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self.file_size = File.size(source_path)
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end
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# Calculates the MD5 based on whatever is in temp_file_path
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def calculate_hash(source_path)
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self.md5 = Digest::MD5.file(source_path).hexdigest
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end
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end
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@@ -3,267 +3,4 @@ class Post < ActiveRecord::Base
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set_table_name "deleted_posts"
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end
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class Pending < ActiveRecord::Base
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class Error < Exception ; end
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class Download
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class Error < Exception ; end
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attr_accessible :source, :content_type
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def initialize(source, file_path)
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@source = source
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@file_path = file_path
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end
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# Downloads to @file_path
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def download!
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http_get_streaming(@source) do |response|
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self.content_type = response["Content-Type"]
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File.open(@file_path, "wb") do |out|
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response.read_body(out)
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end
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end
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@source = fix_image_board_sources(@source)
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end
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private
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def handle_pixiv(source, headers)
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if source =~ /pixiv\.net/
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headers["Referer"] = "http://www.pixiv.net"
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# Don't download the small version
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if source =~ %r!(/img/.+?/.+?)_m.+$!
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match = $1
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source.sub!(match + "_m", match)
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end
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end
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source
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end
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def http_get_streaming(source, options = {})
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max_size = options[:max_size] || Danbooru.config.max_file_size
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max_size = nil if max_size == 0 # unlimited
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limit = 4
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while true
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url = URI.parse(source)
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unless url.is_a?(URI::HTTP)
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raise Error.new("URL must be HTTP")
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end
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Net::HTTP.start(url.host, url.port) do |http|
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http.read_timeout = 10
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headers = {
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"User-Agent" => "#{Danbooru.config.safe_app_name}/#{Danbooru.config.version}"
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}
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source = handle_pixiv(source, headers)
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http.request_get(url.request_uri, headers) do |res|
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case res
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when Net::HTTPSuccess then
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if max_size
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len = res["Content-Length"]
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raise Error.new("File is too large (#{len} bytes)") if len && len.to_i > max_size
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end
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yield(res)
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return
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when Net::HTTPRedirection then
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if limit == 0 then
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raise Error.new("Too many redirects")
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end
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source = res["location"]
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limit -= 1
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else
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raise Error.new("HTTP error code: #{res.code} #{res.message}")
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end
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end # http.request_get
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end # http.start
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end # while
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end # def
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def fix_image_board_sources(source)
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if source =~ /\/src\/\d{12,}|urnc\.yi\.org|yui\.cynthia\.bne\.jp/
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"Image board"
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else
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source
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end
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end
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end # download
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set_table_name "pending_posts"
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belongs_to :post
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attr_accessible :file, :image_width, :image_height
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def process!
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update_attribute(:status, "processing")
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if file
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convert_cgi_file(temp_file_path)
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elsif is_downloadable?
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download_from_source(temp_file_path)
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end
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calculate_hash(temp_file_path)
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move_file
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calculate_dimensions
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generate_resizes
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convert_to_post
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update_attribute(:status, "finished")
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end
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private
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def generate_resizes
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generate_resize_for(Danbooru.config.small_image_width)
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generate_resize_for(Danbooru.config.medium_image_width)
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generate_resize_for(Danbooru.config.large_image_width)
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end
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def create_resize_for(width)
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return if width.nil?
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return unless image_width > width
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unless File.exists?(final_file_path)
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raise Error.new("file not found")
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end
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size = Danbooru.reduce_to({:width => image_width, :height => image_height}, {:width => width})
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# If we're not reducing the resolution, only reencode if the source image larger than
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# 200 kilobytes.
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if size[:width] == width && size[:height] == height && File.size?(path) > 200.kilobytes
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return true
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end
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begin
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Danbooru.resize(file_ext, final_file_path, resize_file_path_for(width), size, 90)
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rescue Exception => x
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errors.add "sample", "couldn't be created: #{x}"
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return false
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end
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self.sample_width = size[:width]
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self.sample_height = size[:height]
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return true
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end
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def resize_file_path_for(width)
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case width
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when Danbooru.config.small_image_width
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"#{Rails.root}/public/data/preview"
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when Danbooru.config.medium_image_width
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"#{Rails.root}/public/data/medium"
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when Danbooru.config.large_image_width
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"#{Rails.root}/public/data/large"
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end
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end
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def convert_to_post
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returning Post.new do |p|
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p.tag_string = tag_string
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p.md5 = md5
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p.file_ext = file_ext
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p.image_width = image_width
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p.image_height = image_height
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p.uploader_id = uploader_id
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p.uploader_ip_addr = uploader_ip_addr
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p.rating = rating
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p.source = source
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end
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end
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def calculate_dimensions(post)
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if has_dimensions?
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image_size = ImageSize.new(File.open(final_file_path, "rb"))
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self.image_width = image_size.get_width
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self.image_hegiht = image_hegiht.get_height
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end
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end
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def has_dimensions?
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%w(jpg gif png swf).include?(file_ext)
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end
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def move_file
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FileUtils.mv(temp_file_path, final_file_path)
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end
|
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def final_file_path
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"#{Rails.root}/public/data/original/#{md5}.#{file_ext}"
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end
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# Calculates the MD5 based on whatever is in temp_file_path
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def calculate_hash(file_path)
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self.md5 = Digest::MD5.file(file_path).hexdigest
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end
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|
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# Moves the cgi file to file_path
|
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def convert_cgi_file(file_path)
|
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return if file.blank? || file.size == 0
|
||||
|
||||
if file.local_path
|
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FileUtils.mv(file.local_path, file_path)
|
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else
|
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File.open(file_path, 'wb') do |out|
|
||||
out.write(file.read)
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end
|
||||
end
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self.file_ext = content_type_to_file_ext(file.content_type) || find_ext(file.original_filename)
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end
|
||||
|
||||
# Determines whether the source is downloadable
|
||||
def is_downloadable?
|
||||
source =~ /^http:\/\// && file.blank?
|
||||
end
|
||||
|
||||
# Downloads the file to file_path
|
||||
def download_from_source(file_path)
|
||||
download = Download.new(source, file_path)
|
||||
download.download!
|
||||
self.file_ext = content_type_to_file_ext(download.content_type) || find_ext(source)
|
||||
end
|
||||
|
||||
# Converts a content type string to a file extension
|
||||
def content_type_to_file_ext(content_type)
|
||||
case content_type
|
||||
when /jpeg/
|
||||
return "jpg"
|
||||
|
||||
when /gif/
|
||||
return "gif"
|
||||
|
||||
when /png/
|
||||
return "png"
|
||||
|
||||
when /x-shockwave-flash/
|
||||
return "swf"
|
||||
|
||||
else
|
||||
nil
|
||||
end
|
||||
end
|
||||
|
||||
# Determines the file extention based on a path, normalizing if necessary
|
||||
def find_ext(file_path)
|
||||
ext = File.extname(file_path)
|
||||
if ext.blank?
|
||||
return "txt"
|
||||
else
|
||||
ext = ext[1..-1].downcase
|
||||
ext = "jpg" if ext == "jpeg"
|
||||
return ext
|
||||
end
|
||||
end
|
||||
|
||||
# Path to a temporary file
|
||||
def temp_file_path
|
||||
@temp_file ||= Tempfile.new("danbooru-upload-#{$PROCESS_ID}")
|
||||
@temp_file.path
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
Reference in New Issue
Block a user