Module: Philiprehberger::Multipart::MimeTypes

Defined in:
lib/philiprehberger/multipart/mime_types.rb

Overview

Built-in MIME type detection from file extensions

Constant Summary collapse

TYPES = 
{
  # Text
  '.txt' => 'text/plain',
  '.html' => 'text/html',
  '.htm' => 'text/html',
  '.css' => 'text/css',
  '.csv' => 'text/csv',
  '.tsv' => 'text/tab-separated-values',
  '.xml' => 'text/xml',
  '.rtf' => 'text/rtf',
  '.md' => 'text/markdown',
  '.markdown' => 'text/markdown',
  '.yaml' => 'text/yaml',
  '.yml' => 'text/yaml',
  '.ics' => 'text/calendar',
  '.vcf' => 'text/vcard',
  '.vcard' => 'text/vcard',

  # JavaScript / JSON
  '.js' => 'application/javascript',
  '.mjs' => 'application/javascript',
  '.json' => 'application/json',
  '.jsonld' => 'application/ld+json',
  '.map' => 'application/json',

  # Images
  '.jpg' => 'image/jpeg',
  '.jpeg' => 'image/jpeg',
  '.png' => 'image/png',
  '.gif' => 'image/gif',
  '.bmp' => 'image/bmp',
  '.ico' => 'image/x-icon',
  '.svg' => 'image/svg+xml',
  '.webp' => 'image/webp',
  '.tiff' => 'image/tiff',
  '.tif' => 'image/tiff',
  '.avif' => 'image/avif',
  '.heic' => 'image/heic',
  '.heif' => 'image/heif',
  '.jxl' => 'image/jxl',
  '.apng' => 'image/apng',
  '.psd' => 'image/vnd.adobe.photoshop',

  # Audio
  '.mp3' => 'audio/mpeg',
  '.wav' => 'audio/wav',
  '.ogg' => 'audio/ogg',
  '.oga' => 'audio/ogg',
  '.flac' => 'audio/flac',
  '.aac' => 'audio/aac',
  '.m4a' => 'audio/mp4',
  '.wma' => 'audio/x-ms-wma',
  '.opus' => 'audio/opus',
  '.mid' => 'audio/midi',
  '.midi' => 'audio/midi',
  '.weba' => 'audio/webm',
  '.aiff' => 'audio/aiff',
  '.aif' => 'audio/aiff',

  # Video
  '.mp4' => 'video/mp4',
  '.m4v' => 'video/mp4',
  '.avi' => 'video/x-msvideo',
  '.mov' => 'video/quicktime',
  '.wmv' => 'video/x-ms-wmv',
  '.flv' => 'video/x-flv',
  '.mkv' => 'video/x-matroska',
  '.webm' => 'video/webm',
  '.ogv' => 'video/ogg',
  '.m2ts' => 'video/mp2t',
  '.m3u8' => 'application/vnd.apple.mpegurl',
  '.3gp' => 'video/3gpp',
  '.3g2' => 'video/3gpp2',
  '.mpg' => 'video/mpeg',
  '.mpeg' => 'video/mpeg',

  # Documents
  '.pdf' => 'application/pdf',
  '.doc' => 'application/msword',
  '.docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
  '.xls' => 'application/vnd.ms-excel',
  '.xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
  '.ppt' => 'application/vnd.ms-powerpoint',
  '.pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
  '.odt' => 'application/vnd.oasis.opendocument.text',
  '.ods' => 'application/vnd.oasis.opendocument.spreadsheet',
  '.odp' => 'application/vnd.oasis.opendocument.presentation',
  '.epub' => 'application/epub+zip',
  '.pages' => 'application/vnd.apple.pages',
  '.numbers' => 'application/vnd.apple.numbers',
  '.keynote' => 'application/vnd.apple.keynote',

  # Archives
  '.zip' => 'application/zip',
  '.tar' => 'application/x-tar',
  '.gz' => 'application/gzip',
  '.gzip' => 'application/gzip',
  '.bz2' => 'application/x-bzip2',
  '.7z' => 'application/x-7z-compressed',
  '.rar' => 'application/vnd.rar',
  '.xz' => 'application/x-xz',
  '.zst' => 'application/zstd',
  '.br' => 'application/x-brotli',
  '.lz' => 'application/x-lzip',
  '.lz4' => 'application/x-lz4',
  '.tgz' => 'application/gzip',
  '.dmg' => 'application/x-apple-diskimage',
  '.iso' => 'application/x-iso9660-image',

  # Fonts
  '.woff' => 'font/woff',
  '.woff2' => 'font/woff2',
  '.ttf' => 'font/ttf',
  '.otf' => 'font/otf',
  '.eot' => 'application/vnd.ms-fontobject',

  # Programming / Data
  '.rb' => 'text/x-ruby',
  '.py' => 'text/x-python',
  '.java' => 'text/x-java-source',
  '.c' => 'text/x-c',
  '.cpp' => 'text/x-c++src',
  '.h' => 'text/x-c',
  '.hpp' => 'text/x-c++hdr',
  '.rs' => 'text/x-rust',
  '.go' => 'text/x-go',
  '.php' => 'text/x-php',
  '.swift' => 'text/x-swift',
  '.kt' => 'text/x-kotlin',
  '.ts' => 'text/typescript',
  '.tsx' => 'text/typescript',
  '.jsx' => 'text/javascript',
  '.sh' => 'application/x-sh',
  '.bash' => 'application/x-sh',
  '.zsh' => 'application/x-sh',
  '.bat' => 'application/x-msdos-program',
  '.ps1' => 'application/x-powershell',
  '.sql' => 'application/sql',
  '.graphql' => 'application/graphql',
  '.wasm' => 'application/wasm',
  '.toml' => 'application/toml',
  '.ini' => 'text/plain',
  '.cfg' => 'text/plain',
  '.conf' => 'text/plain',
  '.log' => 'text/plain',
  '.env' => 'text/plain',

  # Binary / Application
  '.bin' => 'application/octet-stream',
  '.exe' => 'application/vnd.microsoft.portable-executable',
  '.dll' => 'application/vnd.microsoft.portable-executable',
  '.so' => 'application/x-sharedlib',
  '.dylib' => 'application/x-sharedlib',
  '.deb' => 'application/vnd.debian.binary-package',
  '.rpm' => 'application/x-rpm',
  '.apk' => 'application/vnd.android.package-archive',
  '.msi' => 'application/x-msi',
  '.swf' => 'application/x-shockwave-flash',
  '.sqlite' => 'application/x-sqlite3',
  '.db' => 'application/x-sqlite3',
  '.dat' => 'application/octet-stream',
  '.class' => 'application/java-vm',
  '.jar' => 'application/java-archive',
  '.war' => 'application/java-archive',
  '.ear' => 'application/java-archive'
}.freeze

Class Method Summary collapse

Class Method Details

.lookup(filename) ⇒ String

Look up the MIME type for a filename based on its extension

Parameters:

  • filename (String) —

    the filename or path to look up

Returns:

  • (String) —

    the MIME type, or ‘application/octet-stream’ for unknown extensions



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# File 'lib/philiprehberger/multipart/mime_types.rb', line 178

def self.lookup(filename)
  ext = File.extname(filename.to_s).downcase
  TYPES.fetch(ext, 'application/octet-stream')
end