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* determine mime-type to use during ffprobe evaluation stage, don't bother rechecking by file extension * set mjpeg content-type * fix up tests expecting differing default valuespull/3512/head
kim
1 year ago
committed by
GitHub
16 changed files with 85 additions and 1378 deletions
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# go-mimetypes |
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A generated lookup map of file extensions to mimetypes, from data provided at: https://raw.githubusercontent.com/micnic/mime.json/master/index.json |
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This allows determining mimetype without relying on OS mimetype lookups. |
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#!/bin/sh |
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# Mime types JSON source |
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URL='https://raw.githubusercontent.com/micnic/mime.json/master/index.json' |
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# Define intro to file |
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FILE=' |
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// This is an automatically generated file, do not edit |
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package mimetypes |
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// MimeTypes is a map of file extensions to mime types. |
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var MimeTypes = map[string]string{ |
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' |
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# Set break on new-line |
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IFS=' |
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' |
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for line in $(curl -fL "$URL" | grep -E '".+"\s*:\s*".+"'); do |
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# Trim final whitespace |
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line=$(echo "$line" | sed -e 's|\s*$||') |
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# Ensure it ends in a comma |
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[ "${line%,}" = "$line" ] && line="${line}," |
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# Add to file |
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FILE="${FILE}${line} |
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" |
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done |
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# Add final statement to file |
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FILE="${FILE} |
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} |
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" |
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# Write to file |
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echo "$FILE" > 'mime.gen.go' |
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# Check for valid go |
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gofumpt -w 'mime.gen.go' |
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package mimetypes |
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import "path" |
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// PreferredExts defines preferred file
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// extensions for input mime types (as there
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// can be multiple extensions per mime type).
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var PreferredExts = map[string]string{ |
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MimeTypes["mp3"]: "mp3", // audio/mpeg
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MimeTypes["mpeg"]: "mpeg", // video/mpeg
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} |
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// GetForFilename returns mimetype for given filename.
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func GetForFilename(filename string) (string, bool) { |
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ext := path.Ext(filename) |
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if len(ext) < 1 { |
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return "", false |
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} |
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mime, ok := MimeTypes[ext[1:]] |
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return mime, ok |
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} |
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// GetFileExt returns the file extension to use for mimetype. Relying first upon
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// the 'PreferredExts' map. It simply returns the first match there may multiple.
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func GetFileExt(mimeType string) (string, bool) { |
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ext, ok := PreferredExts[mimeType] |
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if ok { |
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return ext, true |
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} |
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for ext, mime := range MimeTypes { |
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if mime == mimeType { |
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return ext, true |
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} |
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} |
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return "", false |
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} |
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// GetFileExts returns known file extensions used for mimetype.
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func GetFileExts(mimeType string) []string { |
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var exts []string |
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for ext, mime := range MimeTypes { |
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if mime == mimeType { |
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exts = append(exts, ext) |
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} |
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} |
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return exts |
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} |
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