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Merge pull request #435 from mdashlw/image-dimensions-check

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Accurate dimensions check for images
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liamwhite 2025-03-03 01:25:04 -05:00 • committed by GitHub
commit 64f954e686
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1 changed files with 3 additions and 2 deletions
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lib/philomena/images/image.ex
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@ -1,6 +1,7 @@
defmodule Philomena.Images.Image do
use Ecto.Schema
import Bitwise
import Ecto.Changeset
alias Philomena.ImageIntensities.ImageIntensity
@ -187,8 +188,8 @@ defmodule Philomena.Images.Image do
"contents corrupt, not recognized, or dimensions are too large to process"
)
width > 32767 or height > 32767 ->
add_error(changeset, :image, "side dimensions are larger than 32767 px")
((width + 63 &&& -64) * 8 + 1024) * (height + 128) >= 2_147_483_647 ->
add_error(changeset, :image, "dimensions are too large to process")
true ->
changeset