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signCookie

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This commit is contained in:
Tobe O 2019-08-16 09:09:11 -04:00
parent 9c83923324
commit 127ffd3197
1 changed files with 14 additions and 1 deletions
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15
lib/src/cookie_signer.dart
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@ -27,5 +27,18 @@ class CookieSigner {
}
}
void signCookie(Cookie cookie) {}
/// **Overwrites** the value of a [cookie] with one that is signed
/// with the [hmac].
///
/// The signature is:
/// `base64Url(cookie.value) + "." + base64Url(sig)`
///
/// Where `sig` is the cookie's value, signed with the [hmac].
void signCookie(Cookie cookie) {
// base64Url(cookie) + "." + base64Url(sig)
var encodedCookie = base64Url.encode(cookie.value.codeUnits);
var sigBytes = hmac.convert(cookie.value.codeUnits).bytes;
var sig = base64Url.encode(sigBytes);
cookie.value = encodedCookie + '.' + sig;
}
}