| Commit message (Collapse) | Author | Age | Files | Lines |
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This drops libseccomp as a dependency.
Also, move the capsicum/pledge definitions from bindings to sandbox.nim
because they are only used there.
Interestingly, after integrating chaseccomp I found that the
stbi process would mysteriously crash by a getrandom(2) syscall.
Closer investigation revealed it is only called on the initialization
of glibc's malloc; presumably it had never surfaced before because
libseccomp would always allocate before entering the sandbox.
So I've added getrandom to our filter as well.
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Now we use QuickJS-NG, which is better maintained than QJS and has
column tracking.
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It works fine AFAICT, just missing VP8 deblocking filters, so lossy
WebP images don't look great.
I have extended the API a bit to allow reading from stdin, not just
paths. Otherwise, it's the same as matanui159/jebp.
TODO: add loop filters
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* resize images with stb_image_resize
* use tee for output handle redirection (redirectToFile blocks)
* cache original image files
* accept lseek in sandbox
* misc stbi fixes
For now, I just pulled in stb_image_resize v1. v2 is an extra 150K in
size, not sure if it's worth the cost. (Either way, we can always switch
later if needed, since the API is almost the same.)
Next step: move sixel/kitty encoders to CGI, and cache their output in
memory instead of the intermediate RGBA representation.
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Now we have decoders for gif, jpeg, bmp. Also, the in-house PNG decoder
has been replaced in favor of the stbi implementation; this means we
no longer depend on zlib, since stbi comes with a built in inflate
implementation.
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We have a markdown converter, so why not use it?
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