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fix: extraction bars proper length and add checksum verification to p…
…ath source (#666)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| //! Module to handle checksums and validate checksums of downloaded files. | ||
| use std::path::Path; | ||
|
|
||
| use rattler_digest::{compute_file_digest, serde::SerializableHash, Md5, Md5Hash, Sha256Hash}; | ||
| use serde::{Deserialize, Serialize}; | ||
| use serde_with::serde_as; | ||
|
|
||
| use crate::recipe::parser::{PathSource, UrlSource}; | ||
|
|
||
| /// Checksum information. | ||
| #[serde_as] | ||
| #[derive(Debug, Clone, PartialEq, Deserialize, Serialize)] | ||
| pub enum Checksum { | ||
| /// A SHA256 checksum | ||
| Sha256(#[serde_as(as = "SerializableHash::<rattler_digest::Sha256>")] Sha256Hash), | ||
| /// A MD5 checksum | ||
| Md5(#[serde_as(as = "SerializableHash::<rattler_digest::Md5>")] Md5Hash), | ||
| } | ||
|
|
||
| impl Checksum { | ||
| /// Create a checksum from a URL source. | ||
| pub fn from_url_source(source: &UrlSource) -> Option<Self> { | ||
| if let Some(sha256) = source.sha256() { | ||
| Some(Checksum::Sha256(*sha256)) | ||
| } else { | ||
| source.md5().map(|md5| Checksum::Md5(*md5)) | ||
| } | ||
| } | ||
|
|
||
| /// Create a checksum from a path source. | ||
| pub fn from_path_source(source: &PathSource) -> Option<Self> { | ||
| if let Some(sha256) = source.sha256 { | ||
| Some(Checksum::Sha256(sha256)) | ||
| } else { | ||
| source.md5.map(Checksum::Md5) | ||
| } | ||
| } | ||
|
|
||
| /// Get the checksum as a hex string. | ||
| pub fn to_hex(&self) -> String { | ||
| match self { | ||
| Checksum::Sha256(sha256) => hex::encode(sha256), | ||
| Checksum::Md5(md5) => hex::encode(md5), | ||
| } | ||
| } | ||
|
|
||
| /// Validate the checksum of a file. | ||
| pub fn validate(&self, path: &Path) -> bool { | ||
| match self { | ||
| Checksum::Sha256(value) => { | ||
| let digest = | ||
| compute_file_digest::<sha2::Sha256>(path).expect("Could not compute SHA256"); | ||
| let computed_sha = hex::encode(digest); | ||
| let checksum_sha = hex::encode(value); | ||
| if !computed_sha.eq(&checksum_sha) { | ||
| tracing::error!( | ||
| "SHA256 values of downloaded file not matching!\nDownloaded = {}, should be {}", | ||
| computed_sha, | ||
| checksum_sha | ||
| ); | ||
| false | ||
| } else { | ||
| tracing::info!("Validated SHA256 values of the downloaded file!"); | ||
| true | ||
| } | ||
| } | ||
| Checksum::Md5(value) => { | ||
| let digest = compute_file_digest::<Md5>(path).expect("Could not compute SHA256"); | ||
| let computed_md5 = hex::encode(digest); | ||
| let checksum_md5 = hex::encode(value); | ||
| if !computed_md5.eq(&checksum_md5) { | ||
| tracing::error!( | ||
| "MD5 values of downloaded file not matching!\nDownloaded = {}, should be {}", | ||
| computed_md5, | ||
| checksum_md5 | ||
| ); | ||
| false | ||
| } else { | ||
| tracing::info!("Validated MD5 values of the downloaded file!"); | ||
| true | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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