Sha256: c4c9d0aede864c7216dc86ebc8c605db93719f77377a103b465937d1815023d2
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Size: 1.54 KB
Versions: 13
Compression:
Stored size: 1.54 KB
Contents
# frozen_string_literal: true
require "mimemagic"
class ResourceUploader < CarrierWave::Uploader::Base
include CarrierWave::MiniMagick
before :cache, :check_image_content_type!
def store_dir
"files/#{model.class.to_s.underscore}/#{model.id}"
end
version :thumb, if: :image? do
process dynamic_resize_to_fit: :thumb
end
version :medium, if: :image? do
process dynamic_resize_to_fit: :medium
end
version :avatar, if: :image? do
process dynamic_resize_to_fit: :avatar
end
def dynamic_resize_to_fit(size)
resize_setting = model.blog.send("image_#{size}_size").to_i
resize_to_fit(resize_setting, resize_setting)
end
def image?(new_file)
content_type = new_file.content_type
content_type&.include?("image")
end
def check_image_content_type!(new_file)
if image?(new_file)
magic_type = mime_magic_content_type(new_file)
if magic_type != new_file.content_type
raise CarrierWave::IntegrityError, "has MIME type mismatch"
end
end
end
private
# NOTE: This method was adapted from MagicMimeBlacklist#extract_content_type
# from CarrierWave 1.0.0 and SanitizedFile#mime_magic_content_type from CarrierWave 0.11.2
def mime_magic_content_type(new_file)
content_type = nil
File.open(new_file.path) do |fd|
content_type = MimeMagic.by_magic(fd).try(:type)
end
content_type
end
# NOTE: This method was copied from MagicMimeBlacklist from CarrierWave 1.0.0.
def filemagic
@filemagic ||= FileMagic.new(FileMagic::MAGIC_MIME_TYPE)
end
end
Version data entries
13 entries across 13 versions & 2 rubygems