Use toml instead of json

Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "simple-wkd"
+version = "0.1.0"
+edition = "2021"
+
+[[bin]]
+name = "simple-wkd"
+path = "backend/src/main.rs"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+actix-files = "0.6.2"
+actix-web = "4.3.1"
+chrono = "0.4.24"
+flexi_logger = "0.25.3"
+lettre = "0.10.4"
+log = "0.4.17"
+once_cell = "1.17.1"
+rand = "0.8.5"
+sequoia-net = "0.27.0"
+sequoia-openpgp = { version = "1.14.0", default-features = false, features = ["crypto-openssl"] }
+serde = { version = "1.0.160", features = ["derive"] }
+thiserror = "1.0.40"
+tokio = { version = "1.27.0", features = ["time"] }
+toml = "0.7.3"
+url = { version = "2.3.1", features = ["serde"] }

backend/src/confirmation.rs

@@ -30,7 +30,7 @@ pub fn confirm_action(token: &str) -> Result<(Action, String), Error> {
         trace!("Requested token {} isn't a file", token);
         return Err(Error::MissingPending);
     };
-    let key = match serde_json::from_str::<Pending>(&content) {
+    let key = match toml::from_str::<Pending>(&content) {
         Ok(key) => key,
         Err(_) => {
             warn!("Error while deserializing token {}!", token);

backend/src/management.rs

@@ -55,7 +55,7 @@ impl Pending {
 }
 
 fn store_pending(pending: &Pending, token: &str) -> Result<(), Error> {
-    let serialized = match serde_json::to_string(pending) {
+    let serialized = match toml::to_string(pending) {
         Ok(serialized) => serialized,
         Err(_) => return Err(Error::SerializeData),
     };
@@ -104,7 +104,7 @@ pub fn clean_stale(max_age: i64) {
                     continue;
                 }
             };
-            let key = match serde_json::from_str::<Pending>(&content) {
+            let key = match toml::from_str::<Pending>(&content) {
                 Ok(key) => key,
                 Err(_) => {
                     warn!(