d71bdffda1
Improve verification somewhat, but mostly refactor tests to use test tree, and be nicer to read and write. type: changed
414 lines
11 KiB
Rust
414 lines
11 KiB
Rust
use crate::common::*;
|
||
|
||
#[derive(Deserialize, Serialize, Debug, PartialEq, Clone)]
|
||
pub(crate) struct Metainfo {
|
||
pub(crate) announce: String,
|
||
#[serde(
|
||
rename = "announce-list",
|
||
skip_serializing_if = "Option::is_none",
|
||
default,
|
||
with = "unwrap_or_skip"
|
||
)]
|
||
pub(crate) announce_list: Option<Vec<Vec<String>>>,
|
||
#[serde(
|
||
skip_serializing_if = "Option::is_none",
|
||
default,
|
||
with = "unwrap_or_skip"
|
||
)]
|
||
pub(crate) comment: Option<String>,
|
||
#[serde(
|
||
rename = "created by",
|
||
skip_serializing_if = "Option::is_none",
|
||
default,
|
||
with = "unwrap_or_skip"
|
||
)]
|
||
pub(crate) created_by: Option<String>,
|
||
#[serde(
|
||
rename = "creation date",
|
||
skip_serializing_if = "Option::is_none",
|
||
default,
|
||
with = "unwrap_or_skip"
|
||
)]
|
||
pub(crate) creation_date: Option<u64>,
|
||
#[serde(
|
||
skip_serializing_if = "Option::is_none",
|
||
default,
|
||
with = "unwrap_or_skip"
|
||
)]
|
||
pub(crate) encoding: Option<String>,
|
||
pub(crate) info: Info,
|
||
#[serde(
|
||
skip_serializing_if = "Option::is_none",
|
||
default,
|
||
with = "unwrap_or_skip"
|
||
)]
|
||
pub(crate) nodes: Option<Vec<Node>>,
|
||
}
|
||
|
||
impl Metainfo {
|
||
pub(crate) fn load(path: impl AsRef<Path>) -> Result<Metainfo, Error> {
|
||
let path = path.as_ref();
|
||
let bytes = fs::read(path).context(error::Filesystem { path })?;
|
||
Self::deserialize(path, &bytes)
|
||
}
|
||
|
||
pub(crate) fn deserialize(path: impl AsRef<Path>, bytes: &[u8]) -> Result<Metainfo, Error> {
|
||
let path = path.as_ref();
|
||
let metainfo = bendy::serde::de::from_bytes(&bytes).context(error::MetainfoLoad { path })?;
|
||
Ok(metainfo)
|
||
}
|
||
|
||
pub(crate) fn serialize(&self) -> Result<Vec<u8>, Error> {
|
||
bendy::serde::ser::to_bytes(&self).context(error::MetainfoSerialize)
|
||
}
|
||
|
||
#[cfg(test)]
|
||
pub(crate) fn dump(&self, path: impl AsRef<Path>) -> Result<(), Error> {
|
||
let path = path.as_ref();
|
||
let bencode = bendy::serde::ser::to_bytes(&self).context(error::MetainfoSerialize)?;
|
||
fs::write(path, &bencode).context(error::Filesystem { path })?;
|
||
Ok(())
|
||
}
|
||
|
||
#[cfg(test)]
|
||
pub(crate) fn from_bytes(bytes: &[u8]) -> Metainfo {
|
||
Self::deserialize("<TEST>", bytes).unwrap()
|
||
}
|
||
|
||
pub(crate) fn files<'a>(
|
||
&'a self,
|
||
base: &'a Path,
|
||
) -> Box<dyn Iterator<Item = (PathBuf, Bytes, Option<Md5Digest>)> + 'a> {
|
||
match &self.info.mode {
|
||
Mode::Single { length, md5sum } => Box::new(iter::once((base.to_owned(), *length, *md5sum))),
|
||
Mode::Multiple { files } => {
|
||
let base = base.to_owned();
|
||
Box::new(
|
||
files
|
||
.iter()
|
||
.map(move |file| (file.path.absolute(&base), file.length, file.md5sum)),
|
||
)
|
||
}
|
||
}
|
||
}
|
||
|
||
pub(crate) fn verify(&self, base: &Path) -> Result<Status> {
|
||
Verifier::verify(self, base)
|
||
}
|
||
}
|
||
|
||
#[cfg(test)]
|
||
mod tests {
|
||
use super::*;
|
||
|
||
#[test]
|
||
fn round_trip_single() {
|
||
let value = Metainfo {
|
||
announce: "announce".into(),
|
||
announce_list: Some(vec![vec!["announce".into(), "b".into()], vec!["c".into()]]),
|
||
comment: Some("comment".into()),
|
||
created_by: Some("created by".into()),
|
||
creation_date: Some(1),
|
||
encoding: Some("UTF-8".into()),
|
||
nodes: Some(vec!["x:12".parse().unwrap(), "1.1.1.1:16".parse().unwrap()]),
|
||
info: Info {
|
||
private: Some(true),
|
||
piece_length: Bytes(16 * 1024),
|
||
source: Some("source".into()),
|
||
name: "foo".into(),
|
||
pieces: PieceList::from_pieces(&["abc"]),
|
||
mode: Mode::Single {
|
||
length: Bytes(20),
|
||
md5sum: None,
|
||
},
|
||
},
|
||
};
|
||
|
||
let bencode = bendy::serde::ser::to_bytes(&value).unwrap();
|
||
|
||
let deserialized = bendy::serde::de::from_bytes(&bencode).unwrap();
|
||
|
||
assert_eq!(value, deserialized);
|
||
}
|
||
|
||
#[test]
|
||
fn round_trip_multiple() {
|
||
let value = Metainfo {
|
||
announce: "announce".into(),
|
||
announce_list: Some(vec![vec!["announce".into(), "b".into()], vec!["c".into()]]),
|
||
nodes: Some(vec!["x:12".parse().unwrap(), "1.1.1.1:16".parse().unwrap()]),
|
||
comment: Some("comment".into()),
|
||
created_by: Some("created by".into()),
|
||
creation_date: Some(1),
|
||
encoding: Some("UTF-8".into()),
|
||
info: Info {
|
||
private: Some(true),
|
||
piece_length: Bytes(16 * 1024),
|
||
source: Some("source".into()),
|
||
name: "foo".into(),
|
||
pieces: PieceList::from_pieces(&["abc"]),
|
||
mode: Mode::Multiple {
|
||
files: vec![FileInfo {
|
||
length: Bytes(10),
|
||
path: FilePath::from_components(&["foo", "bar"]),
|
||
md5sum: Some(Md5Digest::from_hex("000102030405060708090a0b0c0d0e0f")),
|
||
}],
|
||
},
|
||
},
|
||
};
|
||
|
||
let bencode = bendy::serde::ser::to_bytes(&value).unwrap();
|
||
|
||
let deserialized = bendy::serde::de::from_bytes(&bencode).unwrap();
|
||
|
||
assert_eq!(value, deserialized);
|
||
}
|
||
|
||
fn representation(value: Metainfo, want: &str) {
|
||
let have = value.serialize().unwrap();
|
||
|
||
if have != want.as_bytes() {
|
||
eprintln!("have:");
|
||
eprintln!("{}", String::from_utf8_lossy(&have));
|
||
eprintln!("want:");
|
||
eprintln!("{}", want);
|
||
panic!("Unexpected representation...");
|
||
}
|
||
}
|
||
|
||
#[test]
|
||
fn bencode_representation_single_some() {
|
||
let value = Metainfo {
|
||
announce: "ANNOUNCE".into(),
|
||
announce_list: Some(vec![vec!["A".into(), "B".into()], vec!["C".into()]]),
|
||
nodes: Some(vec![
|
||
"domain:1".parse().unwrap(),
|
||
"1.1.1.1:16".parse().unwrap(),
|
||
"[1234:5678:9abc:def0:1234:5678:9abc:def0]:65000"
|
||
.parse()
|
||
.unwrap(),
|
||
]),
|
||
comment: Some("COMMENT".into()),
|
||
created_by: Some("CREATED BY".into()),
|
||
creation_date: Some(0),
|
||
encoding: Some("UTF-8".into()),
|
||
info: Info {
|
||
private: Some(true),
|
||
piece_length: Bytes(1024),
|
||
source: Some("SOURCE".into()),
|
||
name: "NAME".into(),
|
||
pieces: PieceList::from_pieces(&["fae50"]),
|
||
mode: Mode::Single {
|
||
length: Bytes(5),
|
||
md5sum: Some(Md5Digest::from_hex("000102030405060708090a0b0c0d0e0f")),
|
||
},
|
||
},
|
||
};
|
||
|
||
#[rustfmt::skip]
|
||
let want = concat!(
|
||
"d",
|
||
"8:announce", "8:ANNOUNCE",
|
||
"13:announce-list", "l",
|
||
"l", "1:A", "1:B", "e",
|
||
"l", "1:C", "e",
|
||
"e",
|
||
"7:comment", "7:COMMENT",
|
||
"10:created by", "10:CREATED BY",
|
||
"13:creation date", "i0e",
|
||
"8:encoding", "5:UTF-8",
|
||
"4:info", "d",
|
||
"6:length", "i5e",
|
||
"6:md5sum", "32:000102030405060708090a0b0c0d0e0f",
|
||
"4:name", "4:NAME",
|
||
"12:piece length", "i1024e",
|
||
"6:pieces", "20:8,OS7d玤 {Qk!Mk",
|
||
"7:private", "i1e",
|
||
"6:source", "6:SOURCE",
|
||
"e",
|
||
"5:nodes", "l",
|
||
"l", "6:domain", "i1e", "e",
|
||
"l", "7:1.1.1.1", "i16e", "e",
|
||
"l", "39:1234:5678:9abc:def0:1234:5678:9abc:def0", "i65000e", "e",
|
||
"e",
|
||
"e"
|
||
);
|
||
|
||
representation(value, want);
|
||
}
|
||
|
||
#[test]
|
||
fn bencode_representation_single_none() {
|
||
let value = Metainfo {
|
||
announce: "ANNOUNCE".into(),
|
||
announce_list: None,
|
||
nodes: None,
|
||
comment: None,
|
||
created_by: None,
|
||
creation_date: None,
|
||
encoding: None,
|
||
info: Info {
|
||
private: None,
|
||
piece_length: Bytes(1024),
|
||
source: None,
|
||
name: "NAME".into(),
|
||
pieces: PieceList::from_pieces(&["fae50"]),
|
||
mode: Mode::Single {
|
||
length: Bytes(5),
|
||
md5sum: None,
|
||
},
|
||
},
|
||
};
|
||
|
||
#[rustfmt::skip]
|
||
let want = concat!(
|
||
"d",
|
||
"8:announce", "8:ANNOUNCE",
|
||
"4:info", "d",
|
||
"6:length", "i5e",
|
||
"4:name", "4:NAME",
|
||
"12:piece length", "i1024e",
|
||
"6:pieces", "20:8,OS7d玤 {Qk!Mk",
|
||
"e",
|
||
"e"
|
||
);
|
||
|
||
representation(value, want);
|
||
}
|
||
|
||
#[test]
|
||
fn bencode_representation_multiple_some() {
|
||
let value = Metainfo {
|
||
announce: "ANNOUNCE".into(),
|
||
announce_list: None,
|
||
nodes: None,
|
||
comment: None,
|
||
created_by: None,
|
||
creation_date: None,
|
||
encoding: None,
|
||
info: Info {
|
||
private: None,
|
||
piece_length: Bytes(1024),
|
||
source: None,
|
||
name: "NAME".into(),
|
||
pieces: PieceList::from_pieces(&["fae50"]),
|
||
mode: Mode::Multiple {
|
||
files: vec![FileInfo {
|
||
length: Bytes(1024),
|
||
md5sum: Some(Md5Digest::from_hex("000102030405060708090a0b0c0d0e0f")),
|
||
path: FilePath::from_components(&["a", "b"]),
|
||
}],
|
||
},
|
||
},
|
||
};
|
||
|
||
#[rustfmt::skip]
|
||
let want = concat!(
|
||
"d",
|
||
"8:announce", "8:ANNOUNCE",
|
||
"4:info", "d",
|
||
"5:files", "l",
|
||
"d",
|
||
"6:length", "i1024e",
|
||
"6:md5sum", "32:000102030405060708090a0b0c0d0e0f",
|
||
"4:path", "l", "1:a", "1:b", "e",
|
||
"e",
|
||
"e",
|
||
"4:name", "4:NAME",
|
||
"12:piece length", "i1024e",
|
||
"6:pieces", "20:8,OS7d玤 {Qk!Mk",
|
||
"e",
|
||
"e"
|
||
);
|
||
|
||
representation(value, want);
|
||
}
|
||
|
||
#[test]
|
||
fn bencode_representation_multiple_none() {
|
||
let value = Metainfo {
|
||
announce: "ANNOUNCE".into(),
|
||
announce_list: None,
|
||
nodes: None,
|
||
comment: None,
|
||
created_by: None,
|
||
creation_date: None,
|
||
encoding: None,
|
||
info: Info {
|
||
private: None,
|
||
piece_length: Bytes(1024),
|
||
source: None,
|
||
name: "NAME".into(),
|
||
pieces: PieceList::from_pieces(&["fae50"]),
|
||
mode: Mode::Multiple {
|
||
files: vec![FileInfo {
|
||
length: Bytes(1024),
|
||
md5sum: None,
|
||
path: FilePath::from_components(&["a", "b"]),
|
||
}],
|
||
},
|
||
},
|
||
};
|
||
|
||
#[rustfmt::skip]
|
||
let want = concat!(
|
||
"d",
|
||
"8:announce", "8:ANNOUNCE",
|
||
"4:info", "d",
|
||
"5:files", "l",
|
||
"d",
|
||
"6:length", "i1024e",
|
||
"4:path", "l", "1:a", "1:b", "e",
|
||
"e",
|
||
"e",
|
||
"4:name", "4:NAME",
|
||
"12:piece length", "i1024e",
|
||
"6:pieces", "20:8,OS7d玤 {Qk!Mk",
|
||
"e",
|
||
"e"
|
||
);
|
||
|
||
representation(value, want);
|
||
}
|
||
|
||
#[test]
|
||
fn private_false() {
|
||
let value = Metainfo {
|
||
announce: "ANNOUNCE".into(),
|
||
announce_list: None,
|
||
nodes: None,
|
||
comment: None,
|
||
created_by: None,
|
||
creation_date: None,
|
||
encoding: None,
|
||
info: Info {
|
||
private: Some(false),
|
||
piece_length: Bytes(1024),
|
||
source: None,
|
||
name: "NAME".into(),
|
||
pieces: PieceList::from_pieces(&["fae50"]),
|
||
mode: Mode::Single {
|
||
length: Bytes(5),
|
||
md5sum: None,
|
||
},
|
||
},
|
||
};
|
||
|
||
#[rustfmt::skip]
|
||
let want = concat!(
|
||
"d",
|
||
"8:announce", "8:ANNOUNCE",
|
||
"4:info", "d",
|
||
"6:length", "i5e",
|
||
"4:name", "4:NAME",
|
||
"12:piece length", "i1024e",
|
||
"6:pieces", "20:8,OS7d玤 {Qk!Mk",
|
||
"7:private", "i0e",
|
||
"e",
|
||
"e"
|
||
);
|
||
|
||
representation(value, want);
|
||
}
|
||
}
|