diff options
Diffstat (limited to 'src/zip/io.rs')
| -rw-r--r-- | src/zip/io.rs | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/src/zip/io.rs b/src/zip/io.rs deleted file mode 100644 index c41607f..0000000 --- a/src/zip/io.rs +++ /dev/null | |||
| @@ -1,155 +0,0 @@ | |||
| 1 | use super::datatypes::*; | ||
| 2 | use super::file::{FileInfo, FileReader, FileWriter}; | ||
| 3 | use crate::io::{ArchiveRead, ArchiveWrite}; | ||
| 4 | use crate::result::{ArchiveError, ArchiveResult}; | ||
| 5 | use crate::utils::ReadHelper; | ||
| 6 | use chrono::{NaiveDate, NaiveDateTime, NaiveTime}; | ||
| 7 | use std::collections::HashMap; | ||
| 8 | use std::fs::File; | ||
| 9 | use std::io::Read; | ||
| 10 | use std::io::{Seek, SeekFrom, Write}; | ||
| 11 | |||
| 12 | pub struct Reader<R: Read + Seek = File> { | ||
| 13 | reader: R, | ||
| 14 | files: HashMap<String, FileInfo>, | ||
| 15 | comment: String, | ||
| 16 | } | ||
| 17 | |||
| 18 | impl<R: Read + Seek> ArchiveRead for Reader<R> { | ||
| 19 | type Reader = R; | ||
| 20 | type FileInfo = FileInfo; | ||
| 21 | type FileReader = FileReader; | ||
| 22 | |||
| 23 | fn new(mut reader: Self::Reader) -> ArchiveResult<Self> { | ||
| 24 | let cd_size: u64; | ||
| 25 | let cd_offset: u64; | ||
| 26 | let cd_entries: u64; | ||
| 27 | |||
| 28 | let (eocd_offset, eocd, comment) = EndOfCentralDirectoryRecord::find(&mut reader)?; | ||
| 29 | if let Some((eocd64_offset, eocd64, eocd64_extensible)) = | ||
| 30 | Zip64EndOfCentralDirectoryRecord::find(&mut reader, eocd_offset)? | ||
| 31 | { | ||
| 32 | cd_size = eocd64.size_of_cd_records; | ||
| 33 | cd_offset = eocd64.offset_of_cd_entries; | ||
| 34 | cd_entries = eocd64.entries_in_cd; | ||
| 35 | } else { | ||
| 36 | cd_size = eocd.size_of_cd_records as u64; | ||
| 37 | cd_offset = eocd.offset_of_cd_entries as u64; | ||
| 38 | cd_entries = eocd.entries_in_cd as u64; | ||
| 39 | } | ||
| 40 | |||
| 41 | let mut buf = vec![0; cd_size as usize]; | ||
| 42 | reader.seek(SeekFrom::Start(cd_offset))?; | ||
| 43 | reader.read(&mut buf)?; | ||
| 44 | |||
| 45 | let mut buf: &[u8] = &buf; | ||
| 46 | let mut files = HashMap::with_capacity(cd_entries as usize); | ||
| 47 | |||
| 48 | for entry_number in 0..cd_entries { | ||
| 49 | let cd = CentralDirectoryRecord::read(&mut buf)?; | ||
| 50 | |||
| 51 | let file_name = String::from_utf8(buf.read2vec(cd.file_name_length as usize)?).or( | ||
| 52 | Err(ArchiveError::IncorrectString { | ||
| 53 | location: "file_name", | ||
| 54 | }), | ||
| 55 | )?; | ||
| 56 | let mut extra_field: &[u8] = &buf.read2vec(cd.extra_field_length as usize)?; | ||
| 57 | let file_comment = String::from_utf8(buf.read2vec(cd.file_comment_length as usize)?) | ||
| 58 | .or(Err(ArchiveError::IncorrectString { | ||
| 59 | location: "file_comment", | ||
| 60 | }))?; | ||
| 61 | |||
| 62 | let mut uncompressed_size: u64 = cd.uncompressed_size as u64; | ||
| 63 | let mut compressed_size: u64 = cd.compressed_size as u64; | ||
| 64 | let mut header_offset: u64 = cd.header_offset as u64; | ||
| 65 | |||
| 66 | while extra_field.len() > 0 { | ||
| 67 | let header = u16::from_le_bytes(extra_field.read2buf()?); | ||
| 68 | let size = u16::from_le_bytes(extra_field.read2buf()?); | ||
| 69 | let mut data: &[u8] = &extra_field.read2vec(size as usize)?; | ||
| 70 | |||
| 71 | match header { | ||
| 72 | 0x0001 => { | ||
| 73 | if uncompressed_size == 0xFFFFFFFF { | ||
| 74 | uncompressed_size = u64::from_le_bytes(data.read2buf()?); | ||
| 75 | } | ||
| 76 | if compressed_size == 0xFFFFFFFF { | ||
| 77 | compressed_size = u64::from_le_bytes(data.read2buf()?); | ||
| 78 | } | ||
| 79 | if header_offset == 0xFFFFFFFF { | ||
| 80 | header_offset = u64::from_le_bytes(data.read2buf()?); | ||
| 81 | } | ||
| 82 | } | ||
| 83 | _ => {} | ||
| 84 | }; | ||
| 85 | } | ||
| 86 | |||
| 87 | let year = ((cd.last_mod_file_date >> 9) & 0x7F) + 1980; | ||
| 88 | let month = (cd.last_mod_file_date >> 5) & 0xF; | ||
| 89 | let day = cd.last_mod_file_date & 0x1F; | ||
| 90 | |||
| 91 | let hour = (cd.last_mod_file_time >> 11) & 0x1F; | ||
| 92 | let min = (cd.last_mod_file_time >> 5) & 0x3F; | ||
| 93 | let sec = (cd.last_mod_file_time & 0x1F) * 2; | ||
| 94 | |||
| 95 | files.insert( | ||
| 96 | file_name.clone(), | ||
| 97 | FileInfo::new( | ||
| 98 | entry_number, | ||
| 99 | cd.version_made_by, | ||
| 100 | cd.version_needed, | ||
| 101 | super::file::GeneralPurposeBitFlag {}, | ||
| 102 | cd.compression_method.try_into()?, | ||
| 103 | NaiveDateTime::new( | ||
| 104 | NaiveDate::from_ymd_opt(year as i32, month as u32, day as u32) | ||
| 105 | .ok_or(ArchiveError::IncorrectDate { year, month, day })?, | ||
| 106 | NaiveTime::from_hms_opt(hour as u32, min as u32, sec as u32) | ||
| 107 | .ok_or(ArchiveError::IncorrectTime { hour, min, sec })?, | ||
| 108 | ), | ||
| 109 | cd.crc32, | ||
| 110 | compressed_size, | ||
| 111 | uncompressed_size, | ||
| 112 | file_name, | ||
| 113 | file_comment, | ||
| 114 | header_offset, | ||
| 115 | ), | ||
| 116 | ); | ||
| 117 | } | ||
| 118 | |||
| 119 | Ok(Self { | ||
| 120 | reader, | ||
| 121 | files, | ||
| 122 | comment, | ||
| 123 | }) | ||
| 124 | } | ||
| 125 | |||
| 126 | fn files(&self) -> ArchiveResult<Vec<Self::FileInfo>> { | ||
| 127 | todo!() | ||
| 128 | } | ||
| 129 | |||
| 130 | fn open_file(&self, name: &str) -> ArchiveResult<Self::FileReader> { | ||
| 131 | todo!() | ||
| 132 | } | ||
| 133 | } | ||
| 134 | |||
| 135 | impl<R: Read + Seek> Reader<R> {} | ||
| 136 | |||
| 137 | pub struct Writer<W: Write = File> { | ||
| 138 | writer: W, | ||
| 139 | } | ||
| 140 | |||
| 141 | impl<W: Write + Seek> ArchiveWrite for Writer<W> { | ||
| 142 | type Writer = W; | ||
| 143 | type FileInfo = FileInfo; | ||
| 144 | type FileWriter = FileWriter; | ||
| 145 | |||
| 146 | fn new(writer: Self::Writer) -> ArchiveResult<Self> { | ||
| 147 | todo!() | ||
| 148 | } | ||
| 149 | |||
| 150 | fn create_file(&self, name: &str) -> ArchiveResult<Self::FileWriter> { | ||
| 151 | todo!() | ||
| 152 | } | ||
| 153 | } | ||
| 154 | |||
| 155 | impl<W: Write> Writer<W> {} | ||