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ImageMagick is a software plugin to create, edit, compose, or convert bitmap images. It can read and write images in a variety of formats (over 200) including PNG, JPEG, JPEG-2000, GIF, TIFF, DPX, EXR, WebP, Postscript, PDF, and SVG. Use ImageMagick to resize, flip, mirror, rotate, distort, shear, and transform images. You can also adjust image colors, apply various special effects, or draw text, lines, polygons, ellipses, and curves using ImageMagick.
Use the Adobe Experience Manager (AEM) media handler from the command line to process images through ImageMagick. To work with various file formats using ImageMagick, see Assets file formats best practices. To know about all supported file formats, see Assets supported formats.
Multiple versions of ImageMagic installation files are available for various operating systems. Use the appropriate version for your operating system.
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Download the appropriate ImageMagick installation files for your operating system.
You can set up the command line process step for your particular use case. Perform these steps to generate a flipped image and thumbnails (140x100, 48x48, 319x319, and 1280x1280) each time you add a JPEG image file to /content/dam on the AEM server:
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Observação:
The convert command may not execute with certain Windows versions (for example Windows SE), because it conflicts with the native convert utility that is part of Windows installation. In this case, mention the complete path for the ImageMagick utility. For example, specify,
"C:\Program Files\ImageMagick-6.8.9-Q16\convert.exe" -define jpeg:size=319x319 ./${filename} -thumbnail 319x319 cq5dam.thumbnail.319.319.png
There are multiple security vulnerabilities associated with using ImageMagick to process images. For example, processing user-submitted images involves the risk of remote code execution (RCE).
In addition, a number of image processing plugins depend on the ImageMagick library, including but not limited to PHP’s imagick, Ruby’s rmagick and paperclip, and nodejs’s imagemagick.
If you use ImageMagick or an affected library, Adobe recommend that you mitigate the known vulnerabilities by performing at least one of the following tasks (but preferably both):
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Verify that all image files begin with the expected "magic bytes" corresponding to the image file types you support before sending them to ImageMagick for processing.
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