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https://github.com/RGBCube/serenity
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21473ea7f1
It makes far more sense to sort by the standard mime type strings, rather than the ad-hoc variable names associated with each enumeration. This way, the sort looks nicer, and also matches the corresponding description enumerations in the file utility.
218 lines
14 KiB
C++
218 lines
14 KiB
C++
/*
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* Copyright (c) 2020, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/LexicalPath.h>
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#include <AK/StringBuilder.h>
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#include <LibCore/File.h>
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#include <LibCore/MimeData.h>
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namespace Core {
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Vector<DeprecatedString> MimeData::formats() const
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{
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Vector<DeprecatedString> mime_types;
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mime_types.ensure_capacity(m_data.size());
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for (auto& it : m_data)
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mime_types.unchecked_append(it.key);
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return mime_types;
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}
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Vector<URL> MimeData::urls() const
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{
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auto it = m_data.find("text/uri-list");
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if (it == m_data.end())
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return {};
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Vector<URL> urls;
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for (auto& line : StringView(it->value).split_view('\n')) {
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urls.append(URL(line));
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}
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return urls;
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}
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ErrorOr<void> MimeData::set_urls(Vector<URL> const& urls)
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{
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StringBuilder builder;
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for (auto& url : urls) {
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TRY(builder.try_append(url.to_deprecated_string()));
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TRY(builder.try_append('\n'));
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}
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set_data("text/uri-list", TRY(builder.to_byte_buffer()));
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return {};
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}
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DeprecatedString MimeData::text() const
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{
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return DeprecatedString::copy(m_data.get("text/plain").value_or({}));
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}
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void MimeData::set_text(DeprecatedString const& text)
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{
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set_data("text/plain", text.to_byte_buffer());
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}
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StringView guess_mime_type_based_on_filename(StringView path)
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{
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if (path.ends_with(".pbm"sv, CaseSensitivity::CaseInsensitive))
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return "image/x‑portable‑bitmap"sv;
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if (path.ends_with(".pgm"sv, CaseSensitivity::CaseInsensitive))
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return "image/x‑portable‑graymap"sv;
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if (path.ends_with(".png"sv, CaseSensitivity::CaseInsensitive))
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return "image/png"sv;
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if (path.ends_with(".ppm"sv, CaseSensitivity::CaseInsensitive))
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return "image/x‑portable‑pixmap"sv;
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if (path.ends_with(".gif"sv, CaseSensitivity::CaseInsensitive))
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return "image/gif"sv;
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if (path.ends_with(".bmp"sv, CaseSensitivity::CaseInsensitive))
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return "image/bmp"sv;
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if (path.ends_with(".jpg"sv, CaseSensitivity::CaseInsensitive) || path.ends_with(".jpeg"sv, CaseSensitivity::CaseInsensitive))
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return "image/jpeg"sv;
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if (path.ends_with(".qoi"sv, CaseSensitivity::CaseInsensitive))
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return "image/x-qoi"sv;
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if (path.ends_with(".svg"sv, CaseSensitivity::CaseInsensitive))
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return "image/svg+xml"sv;
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if (path.ends_with(".tga"sv, CaseSensitivity::CaseInsensitive))
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return "image/x-targa"sv;
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if (path.ends_with(".webp"sv, CaseSensitivity::CaseInsensitive))
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return "image/webp"sv;
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if (path.ends_with(".tvg"sv, CaseSensitivity::CaseInsensitive))
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return "image/tinyvg"sv;
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if (path.ends_with(".md"sv, CaseSensitivity::CaseInsensitive))
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return "text/markdown"sv;
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if (path.ends_with(".html"sv, CaseSensitivity::CaseInsensitive) || path.ends_with(".htm"sv, CaseSensitivity::CaseInsensitive))
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return "text/html"sv;
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if (path.ends_with(".css"sv, CaseSensitivity::CaseInsensitive))
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return "text/css"sv;
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if (path.ends_with(".icc"sv, CaseSensitivity::CaseInsensitive) || path.ends_with(".icm"sv, CaseSensitivity::CaseInsensitive))
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return "application/vnd.iccprofile"sv;
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if (path.ends_with(".js"sv, CaseSensitivity::CaseInsensitive))
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return "application/javascript"sv;
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if (path.ends_with(".json"sv, CaseSensitivity::CaseInsensitive))
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return "application/json"sv;
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if (path.ends_with(".zip"sv, CaseSensitivity::CaseInsensitive))
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return "application/zip"sv;
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if (path.ends_with(".md"sv, CaseSensitivity::CaseInsensitive))
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return "text/markdown"sv;
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if (path.ends_with("/"sv, CaseSensitivity::CaseInsensitive))
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return "text/html"sv;
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if (path.ends_with(".csv"sv, CaseSensitivity::CaseInsensitive))
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return "text/csv"sv;
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if (path.ends_with(".sheets"sv, CaseSensitivity::CaseInsensitive))
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return "application/x-sheets+json"sv;
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if (path.ends_with(".webm"sv, CaseSensitivity::CaseInsensitive))
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return "video/webm"sv;
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if (path.ends_with(".flac"sv, CaseSensitivity::CaseInsensitive))
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return "audio/flac"sv;
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if (path.ends_with(".mid"sv, CaseSensitivity::CaseInsensitive) || path.ends_with(".midi"sv, CaseSensitivity::CaseInsensitive))
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return "audio/midi"sv;
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if (path.ends_with(".mp3"sv, CaseSensitivity::CaseInsensitive))
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return "audio/mpeg"sv;
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if (path.ends_with(".qoa"sv, CaseSensitivity::CaseInsensitive))
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return "audio/qoa"sv;
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if (path.ends_with(".wav"sv, CaseSensitivity::CaseInsensitive))
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return "audio/wav"sv;
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// FIXME: Share this, TextEditor and HackStudio language detection somehow.
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auto basename = LexicalPath::basename(path);
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if (path.ends_with(".cpp"sv, CaseSensitivity::CaseInsensitive)
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|| path.ends_with(".c"sv, CaseSensitivity::CaseInsensitive)
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|| path.ends_with(".hpp"sv, CaseSensitivity::CaseInsensitive)
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|| path.ends_with(".h"sv, CaseSensitivity::CaseInsensitive)
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|| path.ends_with(".gml"sv, CaseSensitivity::CaseInsensitive)
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|| path.ends_with(".ini"sv, CaseSensitivity::CaseInsensitive)
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|| path.ends_with(".ipc"sv, CaseSensitivity::CaseInsensitive)
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|| path.ends_with(".txt"sv, CaseSensitivity::CaseInsensitive)
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|| basename == "CMakeLists.txt"
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|| basename == ".history"
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|| basename == ".shellrc")
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return "text/plain"sv;
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return "application/octet-stream"sv;
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}
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#define ENUMERATE_HEADER_CONTENTS \
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__ENUMERATE_MIME_TYPE_HEADER("application/gzip"sv, gzip, 0, 2, 0x1F, 0x8B) \
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__ENUMERATE_MIME_TYPE_HEADER("application/pdf"sv, pdf, 0, 5, 0x25, 'P', 'D', 'F', 0x2D) \
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__ENUMERATE_MIME_TYPE_HEADER("application/rtf"sv, rtf, 0, 6, 0x7B, 0x5C, 0x72, 0x74, 0x66, 0x31) \
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__ENUMERATE_MIME_TYPE_HEADER("application/tar"sv, tar, 0x101, 5, 0x75, 0x73, 0x74, 0x61, 0x72) \
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__ENUMERATE_MIME_TYPE_HEADER("application/vnd.iccprofile"sv, icc, 36, 4, 'a', 'c', 's', 'p') \
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__ENUMERATE_MIME_TYPE_HEADER("application/wasm"sv, wasm, 0, 4, 0x00, 'a', 's', 'm') \
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__ENUMERATE_MIME_TYPE_HEADER("application/x-7z-compressed"sv, sevenzip, 0, 6, 0x37, 0x7A, 0xBC, 0xAF, 0x27, 0x1C) \
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__ENUMERATE_MIME_TYPE_HEADER("application/x-bzip2"sv, bzip2, 0, 3, 'B', 'Z', 'h') \
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__ENUMERATE_MIME_TYPE_HEADER("application/zip"sv, zip, 0, 2, 0x50, 0x4B) \
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__ENUMERATE_MIME_TYPE_HEADER("audio/flac"sv, flac, 0, 4, 'f', 'L', 'a', 'C') \
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__ENUMERATE_MIME_TYPE_HEADER("audio/midi"sv, midi, 0, 4, 0x4D, 0x54, 0x68, 0x64) \
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__ENUMERATE_MIME_TYPE_HEADER("audio/mpeg"sv, mp3, 0, 2, 0xFF, 0xFB) \
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__ENUMERATE_MIME_TYPE_HEADER("audio/qoa"sv, qoa, 0, 4, 'q', 'o', 'a', 'f') \
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__ENUMERATE_MIME_TYPE_HEADER("audio/wav"sv, wav, 8, 4, 'W', 'A', 'V', 'E') \
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__ENUMERATE_MIME_TYPE_HEADER("extra/blender"sv, blend, 0, 7, 'B', 'L', 'E', 'N', 'D', 'E', 'R') \
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__ENUMERATE_MIME_TYPE_HEADER("extra/elf"sv, elf, 0, 4, 0x7F, 'E', 'L', 'F') \
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__ENUMERATE_MIME_TYPE_HEADER("extra/ext"sv, ext, 0x438, 2, 0x53, 0xEF) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/iso-9660"sv, iso9660_0, 0x8001, 5, 0x43, 0x44, 0x30, 0x30, 0x31) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/iso-9660"sv, iso9660_1, 0x8801, 5, 0x43, 0x44, 0x30, 0x30, 0x31) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/iso-9660"sv, iso9660_2, 0x9001, 5, 0x43, 0x44, 0x30, 0x30, 0x31) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/isz"sv, compressed_iso, 0, 4, 'I', 's', 'Z', '!') \
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__ENUMERATE_MIME_TYPE_HEADER("extra/lua-bytecode"sv, lua_bytecode, 0, 4, 0x1B, 'L', 'u', 'a') \
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__ENUMERATE_MIME_TYPE_HEADER("extra/matroska"sv, mkv, 0, 4, 0x1A, 0x45, 0xDF, 0xA3) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/nes-rom"sv, nesrom, 0, 4, 'N', 'E', 'S', 0x1A) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/qcow"sv, qcow, 0, 3, 'Q', 'F', 'I') \
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__ENUMERATE_MIME_TYPE_HEADER("extra/raw-zlib"sv, zlib_0, 0, 2, 0x78, 0x01) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/raw-zlib"sv, zlib_1, 0, 2, 0x78, 0x5E) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/raw-zlib"sv, zlib_2, 0, 2, 0x78, 0x9C) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/raw-zlib"sv, zlib_3, 0, 2, 0x78, 0xDA) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/raw-zlib"sv, zlib_4, 0, 2, 0x78, 0x20) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/raw-zlib"sv, zlib_5, 0, 2, 0x78, 0x7D) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/raw-zlib"sv, zlib_6, 0, 2, 0x78, 0xBB) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/raw-zlib"sv, zlib_7, 0, 2, 0x78, 0xF9) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/sqlite"sv, sqlite, 0, 16, 'S', 'Q', 'L', 'i', 't', 'e', ' ', 'f', 'o', 'r', 'm', 'a', 't', ' ', '3', 0x00) \
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__ENUMERATE_MIME_TYPE_HEADER("extra/win-31x-compressed"sv, win_31x_archive, 0, 4, 'K', 'W', 'A', 'J') \
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__ENUMERATE_MIME_TYPE_HEADER("extra/win-95-compressed"sv, win_95_archive, 0, 4, 'S', 'Z', 'D', 'D') \
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__ENUMERATE_MIME_TYPE_HEADER("image/bmp"sv, bmp, 0, 2, 'B', 'M') \
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__ENUMERATE_MIME_TYPE_HEADER("image/gif"sv, gif_87, 0, 6, 'G', 'I', 'F', '8', '7', 'a') \
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__ENUMERATE_MIME_TYPE_HEADER("image/gif"sv, gif_89, 0, 6, 'G', 'I', 'F', '8', '9', 'a') \
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__ENUMERATE_MIME_TYPE_HEADER("image/jpeg"sv, jpeg, 0, 4, 0xFF, 0xD8, 0xFF, 0xDB) \
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__ENUMERATE_MIME_TYPE_HEADER("image/jpeg"sv, jpeg_huh, 0, 4, 0xFF, 0xD8, 0xFF, 0xEE) \
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__ENUMERATE_MIME_TYPE_HEADER("image/jpeg"sv, jpeg_jfif, 0, 12, 0xFF, 0xD8, 0xFF, 0xE0, 0x00, 0x10, 'J', 'F', 'I', 'F', 0x00, 0x01) \
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__ENUMERATE_MIME_TYPE_HEADER("image/png"sv, png, 0, 8, 0x89, 'P', 'N', 'G', 0x0D, 0x0A, 0x1A, 0x0A) \
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__ENUMERATE_MIME_TYPE_HEADER("image/tiff"sv, tiff, 0, 4, 'I', 'I', '*', 0x00) \
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__ENUMERATE_MIME_TYPE_HEADER("image/tiff"sv, tiff_bigendian, 0, 4, 'M', 'M', 0x00, '*') \
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__ENUMERATE_MIME_TYPE_HEADER("image/tinyvg"sv, tinyvg, 0, 2, 0x72, 0x56) \
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__ENUMERATE_MIME_TYPE_HEADER("image/webp"sv, webp, 8, 4, 'W', 'E', 'B', 'P') \
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__ENUMERATE_MIME_TYPE_HEADER("image/x-portable-bitmap"sv, pbm, 0, 3, 0x50, 0x31, 0x0A) \
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__ENUMERATE_MIME_TYPE_HEADER("image/x-portable-graymap"sv, pgm, 0, 3, 0x50, 0x32, 0x0A) \
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__ENUMERATE_MIME_TYPE_HEADER("image/x-portable-pixmap"sv, ppm, 0, 3, 0x50, 0x33, 0x0A) \
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__ENUMERATE_MIME_TYPE_HEADER("image/x-qoi"sv, qoi, 0, 4, 'q', 'o', 'i', 'f') \
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__ENUMERATE_MIME_TYPE_HEADER("text/x-shellscript"sv, shell, 0, 10, '#', '!', '/', 'b', 'i', 'n', '/', 's', 'h', '\n')
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#define __ENUMERATE_MIME_TYPE_HEADER(mime_type, var_name, pattern_offset, pattern_size, ...) \
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static const u8 var_name##_arr[pattern_size] = { __VA_ARGS__ }; \
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static constexpr ReadonlyBytes var_name = ReadonlyBytes { var_name##_arr, pattern_size };
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ENUMERATE_HEADER_CONTENTS
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#undef __ENUMERATE_MIME_TYPE_HEADER
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Optional<StringView> guess_mime_type_based_on_sniffed_bytes(ReadonlyBytes bytes)
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{
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#define __ENUMERATE_MIME_TYPE_HEADER(mime_type, var_name, pattern_offset, pattern_size, ...) \
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if (static_cast<ssize_t>(bytes.size()) >= pattern_offset && bytes.slice(pattern_offset).starts_with(var_name)) \
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return mime_type;
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ENUMERATE_HEADER_CONTENTS;
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#undef __ENUMERATE_MIME_TYPE_HEADER
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return {};
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}
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Optional<StringView> guess_mime_type_based_on_sniffed_bytes(Core::File& file)
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{
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// Read accounts for longest possible offset + signature we currently match against (extra/iso-9660)
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auto maybe_buffer = ByteBuffer::create_uninitialized(0x9006);
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if (maybe_buffer.is_error())
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return {};
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auto maybe_bytes = file.read_some(maybe_buffer.value());
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if (maybe_bytes.is_error())
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return {};
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return Core::guess_mime_type_based_on_sniffed_bytes(maybe_bytes.value());
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}
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}
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