mirror of
https://github.com/h2non/filetype.git
synced 2025-12-24 11:52:08 +08:00
135 lines
3.9 KiB
Go
135 lines
3.9 KiB
Go
package matchers
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var TypeEpub = NewType("epub", "application/epub+zip")
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var TypeZip = NewType("zip", "application/zip")
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var TypeTar = NewType("tar", "application/x-tar")
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var TypeRar = NewType("rar", "application/x-rar-compressed")
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var TypeGz = NewType("gz", "application/gzip")
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var TypeBz2 = NewType("bz2", "application/x-bzip2")
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var Type7z = NewType("7z", "application/x-7z-compressed")
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var TypeXz = NewType("xz", "application/x-xz")
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var TypePdf = NewType("pdf", "application/pdf")
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var TypeExe = NewType("exe", "application/x-msdownload")
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var TypeSwf = NewType("swf", "application/x-shockwave-flash")
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var TypeRtf = NewType("rtf", "application/rtf")
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var TypeEot = NewType("eot", "application/octet-stream")
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var TypePs = NewType("ps", "application/postscript")
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var TypeSqlite = NewType("sqlite", "application/x-sqlite3")
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var Archive = Map{
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TypeEpub: Epub,
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TypeZip: Zip,
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TypeTar: Tar,
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TypeRar: Rar,
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TypeBz2: Bz2,
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Type7z: SevenZ,
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TypeXz: Xz,
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TypePdf: Pdf,
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TypeExe: Exe,
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TypeSwf: Swf,
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TypeRtf: Rtf,
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TypeEot: Eot,
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TypePs: Ps,
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TypeSqlite: Sqlite,
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}
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func Epub(buf []byte, length int) bool {
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return length > 57 &&
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buf[0] == 0x50 && buf[1] == 0x4B && buf[2] == 0x3 && buf[3] == 0x4 &&
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buf[30] == 0x6D && buf[31] == 0x69 && buf[32] == 0x6D && buf[33] == 0x65 &&
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buf[34] == 0x74 && buf[35] == 0x79 && buf[36] == 0x70 && buf[37] == 0x65 &&
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buf[38] == 0x61 && buf[39] == 0x70 && buf[40] == 0x70 && buf[41] == 0x6C &&
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buf[42] == 0x69 && buf[43] == 0x63 && buf[44] == 0x61 && buf[45] == 0x74 &&
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buf[46] == 0x69 && buf[47] == 0x6F && buf[48] == 0x6E && buf[49] == 0x2F &&
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buf[50] == 0x65 && buf[51] == 0x70 && buf[52] == 0x75 && buf[53] == 0x62 &&
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buf[54] == 0x2B && buf[55] == 0x7A && buf[56] == 0x69 && buf[57] == 0x70
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}
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func Zip(buf []byte, length int) bool {
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return length > 3 &&
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buf[0] == 0x50 && buf[1] == 0x4B &&
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(buf[2] == 0x3 || buf[2] == 0x5 || buf[2] == 0x7) &&
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(buf[3] == 0x4 || buf[3] == 0x6 || buf[3] == 0x8)
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}
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func Tar(buf []byte, length int) bool {
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return length > 261 &&
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buf[257] == 0x75 && buf[258] == 0x73 &&
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buf[259] == 0x74 && buf[260] == 0x61 &&
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buf[261] == 0x72
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}
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func Rar(buf []byte, length int) bool {
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return length > 6 &&
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buf[0] == 0x52 && buf[1] == 0x61 && buf[2] == 0x72 &&
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buf[3] == 0x21 && buf[4] == 0x1A && buf[5] == 0x7 &&
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(buf[6] == 0x0 || buf[6] == 0x1)
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}
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func Gz(buf []byte, length int) bool {
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return length > 2 &&
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buf[0] == 0x1F && buf[1] == 0x8B && buf[2] == 0x8
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}
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func Bz2(buf []byte, length int) bool {
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return length > 2 &&
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buf[0] == 0x42 && buf[1] == 0x5A && buf[2] == 0x68
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}
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func SevenZ(buf []byte, length int) bool {
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return length > 5 &&
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buf[0] == 0x37 && buf[1] == 0x7A && buf[2] == 0xBC &&
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buf[3] == 0xAF && buf[4] == 0x27 && buf[5] == 0x1C
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}
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func Pdf(buf []byte, length int) bool {
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return length > 3 &&
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buf[0] == 0x25 && buf[1] == 0x50 &&
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buf[2] == 0x44 && buf[3] == 0x46
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}
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func Exe(buf []byte, length int) bool {
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return length > 1 &&
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buf[0] == 0x4D && buf[1] == 0x5A
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}
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func Swf(buf []byte, length int) bool {
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return length > 2 &&
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(buf[0] == 0x43 || buf[0] == 0x46) &&
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buf[1] == 0x57 && buf[2] == 0x53
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}
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func Rtf(buf []byte, length int) bool {
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return length > 4 &&
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buf[0] == 0x7B && buf[1] == 0x5C &&
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buf[2] == 0x72 && buf[3] == 0x74 &&
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buf[4] == 0x66
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}
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func Eot(buf []byte, length int) bool {
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return length > 10 &&
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buf[34] == 0x4C && buf[35] == 0x50 &&
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((buf[8] == 0x02 && buf[9] == 0x00 &&
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buf[10] == 0x01) || (buf[8] == 0x01 &&
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buf[9] == 0x00 && buf[10] == 0x00) ||
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(buf[8] == 0x02 && buf[9] == 0x00 && buf[10] == 0x02))
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}
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func Ps(buf []byte, length int) bool {
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return length > 1 &&
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buf[0] == 0x25 && buf[1] == 0x21
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}
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func Xz(buf []byte, length int) bool {
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return length > 5 &&
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buf[0] == 0xFD && buf[1] == 0x37 &&
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buf[2] == 0x7A && buf[3] == 0x58 &&
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buf[4] == 0x5A && buf[5] == 0x00
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}
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func Sqlite(buf []byte, length int) bool {
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return length > 3 &&
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buf[0] == 0x53 && buf[1] == 0x51 &&
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buf[2] == 0x4C && buf[3] == 0x69
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}
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