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Add sha256 to the hash command (#3836)
Hashers now uses on Rust Crypto Digest trait which makes it trivial to implement additional hash functions. The original `md5` crate does not implement the Digest trait and was replaced by `md-5` crate which does. Sha256 uses already included `sha2` crate.
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226739d13f
commit
111477aa74
14
Cargo.lock
generated
14
Cargo.lock
generated
@ -2830,6 +2830,17 @@ version = "0.1.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
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[[package]]
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name = "md-5"
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version = "0.9.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7b5a279bb9607f9f53c22d496eade00d138d1bdcccd07d74650387cf94942a15"
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dependencies = [
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"block-buffer 0.9.0",
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"digest 0.9.0",
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"opaque-debug",
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]
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[[package]]
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name = "md5"
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version = "0.6.1"
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@ -3226,6 +3237,7 @@ dependencies = [
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"csv",
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"ctrlc",
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"derive-new",
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"digest 0.9.0",
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"directories-next",
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"dirs-next",
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"dtparse",
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@ -3244,7 +3256,7 @@ dependencies = [
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"itertools",
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"lazy_static 1.4.0",
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"log",
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"md5 0.7.0",
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"md-5",
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"meval",
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"minus",
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"nu-ansi-term",
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@ -58,7 +58,7 @@ indexmap = { version="1.7", features=["serde-1"] }
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itertools = "0.10.0"
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lazy_static = "1.*"
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log = "0.4.14"
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md5 = "0.7.0"
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md-5 = "0.9.1"
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meval = "0.2.0"
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minus = { version="3.4.0", optional=true, features=["async_std_lib", "search"] }
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num-bigint = { version="0.3.1", features=["serde"] }
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@ -96,6 +96,7 @@ url = "2.2.0"
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uuid_crate = { package="uuid", version="0.8.2", features=["v4"], optional=true }
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which = { version="4.1.0", optional=true }
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zip = { version="0.5.9", optional=true }
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digest = "0.9.0"
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[dependencies.polars]
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version = "0.14.7"
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@ -0,0 +1,58 @@
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use crate::prelude::*;
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use nu_errors::ShellError;
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use nu_protocol::ShellTypeName;
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use nu_protocol::{ColumnPath, Primitive, UntaggedValue, Value};
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use nu_source::Tag;
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pub fn run<D>(args: CommandArgs) -> Result<OutputStream, ShellError>
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where
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D: digest::Digest,
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digest::Output<D>: core::fmt::LowerHex,
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{
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let column_paths: Vec<ColumnPath> = args.rest(0)?;
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Ok(args
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.input
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.map(move |v| {
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if column_paths.is_empty() {
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action::<D>(&v, v.tag())
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} else {
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let mut ret = v;
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for path in &column_paths {
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ret = ret.swap_data_by_column_path(
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path,
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Box::new(move |old| action::<D>(old, old.tag())),
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)?;
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}
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Ok(ret)
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}
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})
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.into_input_stream())
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}
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pub fn action<D>(input: &Value, tag: Tag) -> Result<Value, ShellError>
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where
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D: digest::Digest,
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digest::Output<D>: core::fmt::LowerHex,
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{
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match &input.value {
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UntaggedValue::Primitive(Primitive::String(s)) => {
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let digest_result = D::digest(s.as_bytes());
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Ok(UntaggedValue::string(&format!("{:x}", digest_result)).into_value(tag))
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}
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UntaggedValue::Primitive(Primitive::Binary(bytes)) => {
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let digest_result = D::digest(bytes);
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Ok(UntaggedValue::string(&format!("{:x}", digest_result)).into_value(tag))
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}
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other => {
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let got = format!("got {}", other.type_name());
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Err(ShellError::labeled_error(
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"value is not supported for hashing",
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got,
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tag.span,
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))
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}
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}
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}
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@ -1,9 +1,10 @@
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use crate::prelude::*;
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use md5::Md5;
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use nu_engine::WholeStreamCommand;
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use nu_errors::ShellError;
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use nu_protocol::ShellTypeName;
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use nu_protocol::{ColumnPath, Primitive, Signature, SyntaxShape, UntaggedValue, Value};
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use nu_source::Tag;
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use nu_protocol::{Signature, SyntaxShape, UntaggedValue};
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use super::generic_digest;
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pub struct SubCommand;
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@ -24,7 +25,7 @@ impl WholeStreamCommand for SubCommand {
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}
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fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
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operate(args)
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generic_digest::run::<Md5>(args)
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}
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fn examples(&self) -> Vec<Example> {
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@ -49,65 +50,22 @@ impl WholeStreamCommand for SubCommand {
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}
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}
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fn operate(args: CommandArgs) -> Result<OutputStream, ShellError> {
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let column_paths: Vec<ColumnPath> = args.rest(0)?;
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Ok(args
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.input
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.map(move |v| {
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if column_paths.is_empty() {
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action(&v, v.tag())
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} else {
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let mut ret = v;
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for path in &column_paths {
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ret = ret.swap_data_by_column_path(
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path,
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Box::new(move |old| action(old, old.tag())),
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)?;
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}
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Ok(ret)
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}
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})
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.into_input_stream())
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}
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fn action(input: &Value, tag: impl Into<Tag>) -> Result<Value, ShellError> {
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match &input.value {
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UntaggedValue::Primitive(Primitive::String(s)) => {
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let md5_digest = md5::compute(s.as_bytes());
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Ok(UntaggedValue::string(&format!("{:x}", md5_digest)).into_value(tag))
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}
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UntaggedValue::Primitive(Primitive::Binary(bytes)) => {
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let md5_digest = md5::compute(bytes);
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Ok(UntaggedValue::string(&format!("{:x}", md5_digest)).into_value(tag))
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}
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other => {
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let got = format!("got {}", other.type_name());
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Err(ShellError::labeled_error(
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"value is not supported for hashing as md5",
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got,
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tag.into().span,
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))
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}
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}
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}
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#[cfg(test)]
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mod tests {
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use super::action;
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use md5::Md5;
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use nu_protocol::{Primitive, UntaggedValue};
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use nu_source::Tag;
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use nu_test_support::value::string;
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use crate::commands::generators::hash_::generic_digest::action;
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#[test]
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fn md5_encode_string() {
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let word = string("abcdefghijklmnopqrstuvwxyz");
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let expected =
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UntaggedValue::string("c3fcd3d76192e4007dfb496cca67e13b").into_untagged_value();
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let actual = action(&word, Tag::unknown()).unwrap();
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let actual = action::<Md5>(&word, Tag::unknown()).unwrap();
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assert_eq!(actual, expected);
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}
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@ -118,7 +76,7 @@ mod tests {
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let expected =
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UntaggedValue::string("5f80e231382769b0102b1164cf722d83").into_untagged_value();
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let actual = action(&binary, Tag::unknown()).unwrap();
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let actual = action::<Md5>(&binary, Tag::unknown()).unwrap();
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assert_eq!(actual, expected);
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}
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}
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@ -1,7 +1,10 @@
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mod base64_;
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mod command;
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mod generic_digest;
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mod md5_;
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mod sha256_;
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pub use base64_::SubCommand as HashBase64;
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pub use command::Command as Hash;
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pub use md5_::SubCommand as HashMd5;
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pub use sha256_::SubCommand as HashSha256;
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86
crates/nu-command/src/commands/generators/hash_/sha256_.rs
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86
crates/nu-command/src/commands/generators/hash_/sha256_.rs
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@ -0,0 +1,86 @@
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use crate::prelude::*;
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use nu_engine::WholeStreamCommand;
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use nu_errors::ShellError;
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use nu_protocol::{Signature, SyntaxShape, UntaggedValue};
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use sha2::Sha256;
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use super::generic_digest;
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pub struct SubCommand;
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impl WholeStreamCommand for SubCommand {
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fn name(&self) -> &str {
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"hash sha256"
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}
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fn signature(&self) -> Signature {
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Signature::build("hash sha256").rest(
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SyntaxShape::ColumnPath,
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"optionally sha256 encode data by column paths",
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)
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}
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fn usage(&self) -> &str {
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"sha256 encode a value"
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}
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fn run(&self, args: CommandArgs) -> Result<OutputStream, ShellError> {
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generic_digest::run::<Sha256>(args)
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}
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fn examples(&self) -> Vec<Example> {
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vec![
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Example {
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description: "sha256 encode a string",
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example: "echo 'abcdefghijklmnopqrstuvwxyz' | hash sha256",
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result: Some(vec![UntaggedValue::string(
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"71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
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)
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.into_untagged_value()]),
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},
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Example {
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description: "sha256 encode a file",
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example: "open ./nu_0_24_1_windows.zip | hash sha256",
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result: Some(vec![UntaggedValue::string(
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"c47a10dc272b1221f0380a2ae0f7d7fa830b3e378f2f5309bbf13f61ad211913",
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)
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.into_untagged_value()]),
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},
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]
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}
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}
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#[cfg(test)]
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mod tests {
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use nu_protocol::{Primitive, UntaggedValue};
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use nu_source::Tag;
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use nu_test_support::value::string;
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use sha2::Sha256;
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use crate::commands::generators::hash_::generic_digest::action;
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#[test]
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fn md5_encode_string() {
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let word = string("abcdefghijklmnopqrstuvwxyz");
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let expected = UntaggedValue::string(
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"71c480df93d6ae2f1efad1447c66c9525e316218cf51fc8d9ed832f2daf18b73",
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)
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.into_untagged_value();
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let actual = action::<Sha256>(&word, Tag::unknown()).unwrap();
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assert_eq!(actual, expected);
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}
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#[test]
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fn md5_encode_bytes() {
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let bytes = vec![0xC0, 0xFF, 0xEE];
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let binary = UntaggedValue::Primitive(Primitive::Binary(bytes)).into_untagged_value();
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let expected = UntaggedValue::string(
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"c47a10dc272b1221f0380a2ae0f7d7fa830b3e378f2f5309bbf13f61ad211913",
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)
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.into_untagged_value();
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let actual = action::<Sha256>(&binary, Tag::unknown()).unwrap();
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assert_eq!(actual, expected);
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}
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}
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@ -85,6 +85,7 @@ pub fn create_default_context(interactive: bool) -> Result<EvaluationContext, Bo
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whole_stream_command(Hash),
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whole_stream_command(HashBase64),
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whole_stream_command(HashMd5),
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whole_stream_command(HashSha256),
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whole_stream_command(Split),
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whole_stream_command(SplitColumn),
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whole_stream_command(SplitRow),
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