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Detecting Expanded MIME Types in Go
In Golang, the http.DetectContentType function in the net/http package provides content type detection for a limited range of types. For additional file types, such as docx, doc, xls, xlsx, ppt, pps, odt, ods, and odp, conventional extension-based detection methods may not suffice due to the shared ZIP signature of these files.
To address this challenge, several packages have emerged that enable MIME type detection based on content analysis:
1. Filetype
2. Magicmime
3. Mimetype
Based on these options, selecting the most appropriate package depends on specific requirements such as the number of detected MIME types, thread safety, and extensibility.
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