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uploads: add limits on max image dimensions.

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evazion
2018-03-25 18:05:52 -05:00
parent be0c2cfcfa
commit c0c41dd369
3 changed files with 37 additions and 0 deletions
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13
app/models/upload.rb
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@@ -66,6 +66,18 @@ class Upload < ApplicationRecord
end
end
def validate_dimensions
resolution = image_width * image_height
if resolution > Danbooru.config.max_image_resolution
raise "image resolution is too large (resolution: #{(resolution / 1_000_000.0).round(1)} megapixels (#{image_width}x#{image_height}); max: #{Danbooru.config.max_image_resolution / 1_000_000} megapixels)"
elsif image_width > Danbooru.config.max_image_width
raise "image width is too large (width: #{image_width}; max width: #{Danbooru.config.max_image_width})"
elsif image_height > Danbooru.config.max_image_height
raise "image height is too large (height: #{image_height}; max height: #{Danbooru.config.max_image_height})"
end
end
def rating_given
if rating.present?
return true
@@ -120,6 +132,7 @@ class Upload < ApplicationRecord
self.tag_string = "#{tag_string} #{automatic_tags}"
self.image_width, self.image_height = calculate_dimensions
validate_dimensions
save
end