-
Notifications
You must be signed in to change notification settings - Fork 4
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
1 parent
6b8f309
commit c1142bd
Showing
9 changed files
with
111 additions
and
3 deletions.
There are no files selected for viewing
Some generated files are not rendered by default. Learn more about how customized files appear on GitHub.
Oops, something went wrong.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,34 @@ | ||
use base64::{engine::general_purpose::STANDARD as base64, Engine}; | ||
use hmac::{Hmac, Mac}; | ||
use sha2::Sha256; | ||
use url::form_urlencoded; | ||
|
||
// Generate signature with timestamp as required by Cloudflare's is_timed_hmac_valid_v0 function | ||
// https://developers.cloudflare.com/ruleset-engine/rules-language/functions/#hmac-validation | ||
pub fn timed_hmac(message: &str, secret: &str, timestamp: usize) -> String { | ||
let mut mac = Hmac::<Sha256>::new_from_slice(secret.as_bytes()).unwrap(); | ||
mac.update(format!("{}{}", message, timestamp).as_bytes()); | ||
let digest = mac.finalize().into_bytes(); | ||
let token: String = | ||
form_urlencoded::byte_serialize(base64.encode(digest.as_slice()).as_bytes()).collect(); | ||
format!("{timestamp}-{token}") | ||
} | ||
|
||
pub fn timed_hmac_now(message: &str, secret: &str) -> String { | ||
let timestamp = std::time::UNIX_EPOCH | ||
.elapsed() | ||
.unwrap() | ||
.as_secs() | ||
.try_into() | ||
.unwrap(); | ||
timed_hmac(message, secret, timestamp) | ||
} | ||
|
||
#[test] | ||
fn test_hmac_sign() { | ||
let message = "12D3KooWBwbQFT48cNYGPbDwm8rjasbZkc1VMo6rCR6217qr165S"; | ||
let secret = "test_secret"; | ||
let timestamp = 1715662737; | ||
let expected = "1715662737-E%2BaW1Y5hS587YGeJFKGTnp%2Fhn8rEMmSRlEslPiOQsuE%3D"; | ||
assert_eq!(timed_hmac(message, secret, timestamp), expected); | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters