Tests: image_filter_max_pixels directive - #84
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Verifies that source images with more pixels than the configured limit are rejected, that images within the limit are processed, and that a zero limit disables the check. Also verifies that a source whose true dimensions exceed 16 bits is measured in full: a 65540 x 2 PNG must be rejected, not understated to 4 x 2 by reading only the low 16 bits of the 32-bit PNG size fields.
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Adds
image_filter_max_pixels.t, covering the newimage_filter_max_pixelsdirective: a source image with more pixels than the configured limit is
rejected, an image within the limit is processed, and a zero limit disables
the check. Version-guarded with
try_runso it skips on builds without thedirective.
Companion to the
ngx_http_image_filter_modulesource change (nginx/nginx#1575).