47 lines
1.3 KiB
Rust
47 lines
1.3 KiB
Rust
use serde::{Deserialize, Serialize, Serializer, Deserializer};
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use secrecy::{SecretString, ExposeSecret};
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/// Helper to allow serializing a [secrecy::SecretString] as a [String]
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pub(crate) fn serialize<S>(secret_string: &SecretString, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer {
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serializer.serialize_str(secret_string.expose_secret())
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}
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/// Helper to allow deserializing a [String] as a [secrecy::SecretString]
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pub(crate) fn deserialize<'de, D>(d: D) -> Result<secrecy::SecretString, D::Error> where D: Deserializer<'de> {
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let s = String::deserialize(d)?;
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Ok(SecretString::new(s))
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}
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#[cfg(test)]
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mod test {
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use super::*;
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#[test]
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fn test_secret_string_round_trip() {
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#[derive(Serialize, Deserialize)]
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struct Foo {
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#[serde(with = "super")]
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secret: SecretString,
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}
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let foo = Foo {
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secret: String::from("hello").into(),
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};
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let s = serde_json::to_string(&foo).unwrap();
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let foo2: Foo = serde_json::from_str(&s).unwrap();
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assert_eq!(foo.secret.expose_secret(), foo2.secret.expose_secret());
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}
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#[test]
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fn test_secret_string_deserialize() {
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#[derive(Serialize, Deserialize)]
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struct Foo {
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#[serde(with = "super")]
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secret: SecretString,
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}
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let foo: Foo = serde_json::from_str("{\"secret\": \"hello\"}").unwrap();
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assert_eq!(foo.secret.expose_secret(), "hello");
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}
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}
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