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image
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0.1.0
An approachable image processing library primarily based upon Vix and libvips that is NIF-based, fast, multi-threaded, pipelined and has a low memory footprint.
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lib/application.ex
defmodule Image.Application do
@moduledoc false
# This env var, if set, will prevent `libvips` from loading untrusted
# loaders. We set it to "TRUE" unless the user has explicitly set
# something else. See https://github.com/kipcole9/image/issues/9
@untrusted_env_var "VIPS_BLOCK_UNTRUSTED"
use Application
@doc false
def start(_type, _args) do
set_safe_loader()
Supervisor.start_link(
[],
strategy: :one_for_one,
name: Image.Supervisor
)
end
# Sets `VIPS_BLOCK_UNTRUSTED=TRUE` in the environment unless the user
# has already set it themselves. Prevents libvips from loading
# untrusted format loaders, which is the secure default.
defp set_safe_loader do
unless System.get_env(@untrusted_env_var) do
System.put_env(@untrusted_env_var, "TRUE")
end
:ok
end
end