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@ -38,20 +38,20 @@ namespace MensBeam\Mime; |
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*/ |
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class MimeType { |
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protected const TYPE_PATTERN = <<<'PATTERN' |
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<^ |
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/^ |
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[\t\r\n ]* # optional leading whitespace |
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([^/]+) # type |
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/ # type/subtype delimiter |
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([^\/]+) # type |
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\/ # type-subtype delimiter |
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([^;]+) # subtype (possibly with trailing whitespace) |
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(;.*)? # optional parameters, to be parsed separately |
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[\t\r\n ]* # optional trailing whitespace |
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$>sx |
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$/sx |
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PATTERN; |
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protected const PARAM_PATTERN = <<<'PATTERN' |
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< |
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/ |
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[;\t\r\n ]* # parameter delimiter and leading whitespace, all optional |
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([^=;]*) # parameter name; may be empty |
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(?:= # parameter name/value delimiter |
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(?:= # parameter name-value delimiter |
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( |
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"(?:\\"|[^"])*(?:"|$)[^;]* # quoted parameter value and optional garbage |
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|[^;]* # unquoted parameter value (possibly with trailing whitespace) |
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@ -59,13 +59,52 @@ PATTERN; |
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)? |
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;? # optional trailing parameter delimiter |
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[\t\r\n ]* # optional trailing whitespace |
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>sx |
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/sx |
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PATTERN; |
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protected const TOKEN_PATTERN = '<^[A-Za-z0-9!#$%&\'*+\-\.\^_`|~]+$>s'; |
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protected const BARE_VALUE_PATTERN = '<^[\t\x{20}-\x{7E}\x{80}-\x{FF}]+$>su'; |
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protected const QUOTED_VALUE_PATTERN = '<^"((?:\\\"|[\t !\x{23}-\x{7E}\x{80}-\x{FF}])*)(?:"|$)>su'; |
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protected const ESCAPE_PATTERN = '<\\\(.)>s'; |
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protected const TOKEN_PATTERN = '/^[A-Za-z0-9!#$%&\'*+\-\.\^_`|~]+$/s'; |
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protected const BARE_VALUE_PATTERN = '/^[\t\x{20}-\x{7E}\x{80}-\x{FF}]+$/su'; |
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protected const QUOTED_VALUE_PATTERN = '/^"((?:\\\"|[\t !\x{23}-\x{7E}\x{80}-\x{FF}])*)(?:"|$)/su'; |
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protected const ESCAPE_PATTERN = '/\\\(.)/s'; |
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protected const CHAR_MAP = [0x80 => "\u{80}","\u{81}","\u{82}","\u{83}","\u{84}","\u{85}","\u{86}","\u{87}","\u{88}","\u{89}","\u{8a}","\u{8b}","\u{8c}","\u{8d}","\u{8e}","\u{8f}","\u{90}","\u{91}","\u{92}","\u{93}","\u{94}","\u{95}","\u{96}","\u{97}","\u{98}","\u{99}","\u{9a}","\u{9b}","\u{9c}","\u{9d}","\u{9e}","\u{9f}","\u{a0}","\u{a1}","\u{a2}","\u{a3}","\u{a4}","\u{a5}","\u{a6}","\u{a7}","\u{a8}","\u{a9}","\u{aa}","\u{ab}","\u{ac}","\u{ad}","\u{ae}","\u{af}","\u{b0}","\u{b1}","\u{b2}","\u{b3}","\u{b4}","\u{b5}","\u{b6}","\u{b7}","\u{b8}","\u{b9}","\u{ba}","\u{bb}","\u{bc}","\u{bd}","\u{be}","\u{bf}","\u{c0}","\u{c1}","\u{c2}","\u{c3}","\u{c4}","\u{c5}","\u{c6}","\u{c7}","\u{c8}","\u{c9}","\u{ca}","\u{cb}","\u{cc}","\u{cd}","\u{ce}","\u{cf}","\u{d0}","\u{d1}","\u{d2}","\u{d3}","\u{d4}","\u{d5}","\u{d6}","\u{d7}","\u{d8}","\u{d9}","\u{da}","\u{db}","\u{dc}","\u{dd}","\u{de}","\u{df}","\u{e0}","\u{e1}","\u{e2}","\u{e3}","\u{e4}","\u{e5}","\u{e6}","\u{e7}","\u{e8}","\u{e9}","\u{ea}","\u{eb}","\u{ec}","\u{ed}","\u{ee}","\u{ef}","\u{f0}","\u{f1}","\u{f2}","\u{f3}","\u{f4}","\u{f5}","\u{f6}","\u{f7}","\u{f8}","\u{f9}","\u{fa}","\u{fb}","\u{fc}","\u{fd}","\u{fe}","\u{ff}"]; |
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protected const SNIFF_PATTERNS_IMAGE = [ |
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'/^\x{00}\x{00}[\x{01}\x{02}]\x{00}/s' => "image/x-icon", |
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'/^BM/s' => "image/bmp", |
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'/^GIF8[79]a/s' => "image/gif", |
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'/^RIFF.{4}WEBPVP/s' => "image/webp", |
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'/^\x{89}PNG\r\n\x{1A}\n/s' => "image/png", |
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'/^\x{FF}\x{D8}\x{FF}/s' => "imaged/jpeg", |
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]; |
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protected const SNIFF_PATTERNS_AUDIOVIDEO = [ |
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'/^\.snd/s' => "audio/basic", |
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'/^FORM.{4}AIFF/s' => "audio/aiff", |
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'/^ID3/s' => "audi/mpeg", |
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'/^OggS\x{00}/s' => "application/ogg", |
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'/^MThd\x{00}{3}\x{06}/s' => "audio/midi", |
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'/^RIFF.{4}AVI /s' => "video/avi", |
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'/^RIFF.{4}WAVE/s' => "audio/wave", |
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]; |
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protected const SNIFF_PATTERNS_FONT = [ |
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'/^.{34}LP/s' => "application/vnd.ms-fontobject", |
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'/^\x{00}\x{01}\x{00}{2}/s' => "font/ttf", |
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'/^OTTO/s' => "font/otf", |
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'/^ttcf/s' => "font/collection", |
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'/^wOFF/s' => "font/woff", |
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'/^wOF2/s' => "font/woff2", |
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]; |
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protected const SNIFF_PATTERNS_ARCHIVE = [ |
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'/^\x{1F}\x{8B}\x{08}/s' => "application/x-gzip", |
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'/^PK\x{03}\x{04}/s' => "application/zip", |
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'/^Rar \x{1A}\x{07}\x{00}/s' => "application/x-rar-compressed", |
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]; |
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protected const SNIFF_PATTERNS_UNKNWON_SCRIPTABLE = [ |
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'/^\s*<(?:!DOCTYPE HTML|HTML|HEAD|SCRIPT|IFRAME|H1|DIV|FONT|TABLE|A|B|STYLE|TITLE|BODY|BR|P|!--)[ >]/si' => "text/html", |
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'/^\s*<\?xml/s' => "text/xml", |
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'/^%PDF-/s' => "application/pdf", |
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]; |
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protected const SNIFF_PATTERN_UNKNWON_SAFE = [ |
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'/^%!PS-Adobe-/s' => "application/postscript", |
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'/^(?:(?:\x{FE}\x{FF}|\x{FF}\x{FE})..|\x{EF}\x{BB}\x{BF}.)/s' => "text/plain", |
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]; |
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protected $type = ""; |
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protected $subtype = ""; |
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@ -265,4 +304,52 @@ PATTERN; |
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} |
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return null; |
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} |
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public static function interpretHttpMessage(\Psr\Http\Message\MessageInterface $msg, bool $sniff = true): ?self { |
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$checkForApacheBug = false; |
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// Use the last Content-Type header-field |
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$type = array_pop($msg->getHeader("Content-Type")); |
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if (!is_null($type)) { |
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if ($msg instanceof \Psr\Http\Message\ResponseInterface) { |
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$checkForApacheBug = (bool) preg_match("<^text/plain(?:; charset=(?:UTF-8|(?:ISO|iso)-8859-1))?$>", $type); |
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} |
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$type = static::decode($type); |
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} |
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# stub |
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return null; |
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} |
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public static function sniffImage(string $resource): ?self { |
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foreach (self::SNIFF_PATTERNS_IMAGE as $pattern => $type) { |
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if (preg_match($pattern, $resource)) { |
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return static::parse($type); |
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} |
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} |
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return null; |
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} |
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public static function sniffAudioVideo(string $resource): ?self { |
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foreach (self::SNIFF_PATTERNS_AUDIOVIDEO as $pattern => $type) { |
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if (preg_match($pattern, $resource)) { |
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return static::parse($type); |
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} |
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} |
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return static::sniffMp4($resource) ?? static::sniffWebm($resource) ?? static::sniffMp3($resource); |
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} |
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protected static function sniffMp4(string $d): ?self { |
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if (strlen($d) < 12) { |
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return null; |
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} |
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$boxSize = hexdec(bin2hex(substr($d, 0, 4))); |
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return null; |
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} |
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protected static function sniffWebm(string $d): ?self { |
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return null; |
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} |
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protected static function sniffMp3(string $d): ?self { |
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return null; |
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} |
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} |
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