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mime: extend "builtinTypes" to include a more complete list of common types #69533

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93 changes: 77 additions & 16 deletions src/mime/type.go
Original file line number Diff line number Diff line change
Expand Up @@ -50,23 +50,84 @@ func setMimeTypes(lowerExt, mixExt map[string]string) {
}
}

// These are just commomly used types mostly taken from
// https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types
var builtinTypesLower = map[string]string{
".avif": "image/avif",
".css": "text/css; charset=utf-8",
".gif": "image/gif",
".htm": "text/html; charset=utf-8",
".html": "text/html; charset=utf-8",
".jpeg": "image/jpeg",
".jpg": "image/jpeg",
".js": "text/javascript; charset=utf-8",
".json": "application/json",
".mjs": "text/javascript; charset=utf-8",
".pdf": "application/pdf",
".png": "image/png",
".svg": "image/svg+xml",
".wasm": "application/wasm",
".webp": "image/webp",
".xml": "text/xml; charset=utf-8",
".7z": "application/x-7z-compressed",
".aac": "audio/aac",
".abw": "application/x-abiword",
".apng": "image/apng",
".arc": "application/x-freearc",
".avi": "video/x-msvideo",
".avif": "image/avif",
".azw": "application/vnd.amazon.ebook",
".bin": "application/octet-stream",
".bmp": "image/bmp",
".bz": "application/x-bzip",
".bz2": "application/x-bzip2",
".cda": "application/x-cdf",
".csh": "application/x-csh",
".css": "text/css; charset=utf-8",
".csv": "text/csv",
".doc": "application/msword",
".docx": "application/vnd.openxmlformats-officedocument.wordprocessingml.document",
".eot": "application/vnd.ms-fontobject",
".epub": "application/epub+zip",
".gif": "image/gif",
".gz": "application/gzip",
".htm": "text/html; charset=utf-8",
".html": "text/html; charset=utf-8",
".ico": "image/vnd.microsoft.icon",
".ics": "text/calendar",
".jar": "application/java-archive",
".jpeg": "image/jpeg",
".jpg": "image/jpeg",
".js": "text/javascript; charset=utf-8",
".json": "application/json",
".jsonld": "application/ld+json",
".mid": "audio/midi",
".midi": "audio/midi",
".mjs": "text/javascript; charset=utf-8",
".mp3": "audio/mpeg",
".mp4": "video/mp4",
".mpeg": "video/mpeg",
".mpkg": "application/vnd.apple.installer+xml",
".odp": "application/vnd.oasis.opendocument.presentation",
".ods": "application/vnd.oasis.opendocument.spreadsheet",
".odt": "application/vnd.oasis.opendocument.text",
".oga": "audio/ogg",
".ogv": "video/ogg",
".ogx": "application/ogg",
".opus": "audio/ogg",
".otf": "font/otf",
".pdf": "application/pdf",
".png": "image/png",
".ppt": "application/vnd.ms-powerpoint",
".pptx": "application/vnd.openxmlformats-officedocument.presentationml.presentation",
".rar": "application/vnd.rar",
".rtf": "application/rtf",
".sh": "application/x-sh",
".svg": "image/svg+xml",
".tar": "application/x-tar",
".tif": "image/tiff",
".tiff": "image/tiff",
".ts": "video/mp2t",
".ttf": "font/ttf",
".txt": "text/plain",
".vsd": "application/vnd.visio",
".wasm": "application/wasm",
".wav": "audio/wav",
".weba": "audio/webm",
".webm": "video/webm",
".webp": "image/webp",
".woff": "font/woff",
".woff2": "font/woff2",
".xhtml": "application/xhtml+xml",
".xls": "application/vnd.ms-excel",
".xlsx": "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
".xml": "text/xml; charset=utf-8",
".xul": "application/vnd.mozilla.xul+xml",
".zip": "application/zip",
}

var once sync.Once // guards initMime
Expand Down