Further improvements regarding indents

src/main.rs

@@ -58,6 +58,7 @@ fn reset_prepare(config: &Ldap0rConfig, keys: &Keys, email_address: &str) -> Res
     ldap.unbind()?;
     let (rs, _res) = result.success()?;
 
+    // check for less or more than 1 result
     if rs.len() != 1 {
         bail!("Invalid password reset request for '{}'", email_address);
     }
@@ -101,76 +102,78 @@ fn set_password(
     key: &str,
     passwords: &PasswordsForm,
 ) -> Result<Flash<Redirect>> {
-    if passwords.password == passwords.password_control {
-        if passwords.password.len() >= 8 {
-            // key lookup
-            let keys = Arc::clone(&keys.keys);
-            if let Ok(mut keys) = keys.lock() {
-                let email = keys
-                    .get(key)
-                    .ok_or_else(|| anyhow!("Could not extract email"))?
-                    .to_string();
-
-                // ldap lookup
-                let mut ldap = LdapConn::new(&config.ldap.server)?;
-                let result = ldap.search(
-                    &config.ldap.base,
-                    Scope::Subtree,
-                    &format!("(&{}(mail={}))", &config.ldap.filter, &email),
-                    vec!["cn"],
-                )?;
-                let (mut rs, _res) = result.success()?;
-
-                // ldap set new password
-                let user = SearchEntry::construct(
-                    rs.pop()
-                        .ok_or_else(|| anyhow!("Could extract not receive LDAP result"))?,
-                )
-                .attrs
-                .get("cn")
-                .ok_or_else(|| anyhow!("Could not extract 'cn' from LDAP entry"))?[0]
-                    .to_string();
-                let mut password = HashSet::new();
-                password.insert(passwords.password.as_str());
-                ldap.simple_bind(&config.ldap.bind, &config.ldap.password)?
-                    .success()?;
-                ldap.with_controls(RelaxRules.critical())
-                    .modify(
-                        &format!("cn={},{}", &user, &config.ldap.base),
-                        vec![Mod::Replace("userPassword", password)],
-                    )?
-                    .success()?;
-
-                ldap.unbind()?;
-                keys.remove(key);
-
-                info!(
-                    "New password set for user '{}' with email address '{}'",
-                    &user, &email
-                );
-                return Ok(Flash::success(
-                    Redirect::to(uri!(reset)),
-                    "New password was saved",
-                ));
-            } else {
-                error!("Could not aquire lock for keys");
-            };
-        } else {
-            return Ok(Flash::error(
-                Redirect::to(uri!(reset_key: key)),
-                "Password length has to be at least 8",
-            ));
-        }
-    } else {
+    if passwords.password != passwords.password_control {
         return Ok(Flash::error(
             Redirect::to(uri!(reset_key: key)),
             "Password does not match the password verification field",
         ));
     }
 
-    Ok(Flash::error(
-        Redirect::to(uri!(reset_key: key)),
-        "Setting new password failed",
+    if passwords.password.len() < 8 {
+        return Ok(Flash::error(
+            Redirect::to(uri!(reset_key: key)),
+            "Password length has to be at least 8",
+        ));
+    }
+
+    // key lookup
+    let keys = Arc::clone(&keys.keys);
+    let mut keys = match keys.lock() {
+        Ok(keys) => keys,
+        Err(e) => {
+            error!("Could not aquire lock for keys: {}", e);
+            return Ok(Flash::error(
+                Redirect::to(uri!(reset_key: key)),
+                "Setting new password failed",
+            ));
+        }
+    };
+    let email = keys
+        .get(key)
+        .ok_or_else(|| anyhow!("Could not extract email"))?
+        .to_string();
+
+    // ldap lookup
+    let mut ldap = LdapConn::new(&config.ldap.server)?;
+    let result = ldap.search(
+        &config.ldap.base,
+        Scope::Subtree,
+        &format!("(&{}(mail={}))", &config.ldap.filter, &email),
+        vec!["cn"],
+    )?;
+    let (mut rs, _res) = result.success()?;
+
+    // ldap set new password
+    let user = SearchEntry::construct(
+        rs.pop()
+            .ok_or_else(|| anyhow!("Could extract not receive LDAP result"))?,
+    )
+    .attrs
+    .get("cn")
+    .ok_or_else(|| anyhow!("Could not extract 'cn' from LDAP entry"))?[0]
+        .to_string();
+    let mut password = HashSet::new();
+    password.insert(passwords.password.as_str());
+    ldap.simple_bind(&config.ldap.bind, &config.ldap.password)?
+        .success()?;
+    ldap.with_controls(RelaxRules.critical())
+        .modify(
+            &format!("cn={},{}", &user, &config.ldap.base),
+            vec![Mod::Replace("userPassword", password)],
+        )?
+        .success()?;
+
+    ldap.unbind()?;
+    keys.remove(key);
+
+    info!(
+        "New password set for user '{}' with email address '{}'",
+        &user, &email
+    );
+
+    Ok(Flash::success(
+        Redirect::to(uri!(reset)),
+        "New password was saved",
     ))
 }
 
@@ -241,6 +244,7 @@ fn reset_key(keys: State<Keys>, key: String, flash: Option<FlashMessage>) -> Opt
     } else {
         error!("Could not aquire lock for keys");
     }
+
     None
 }
 
@@ -252,16 +256,13 @@ fn reset_password(
     key: String,
     passwords: Form<PasswordsForm>,
 ) -> Flash<Redirect> {
-    match set_password(&config, &keys, &key, &passwords) {
-        Ok(flash) => flash,
-        Err(e) => {
-            error!("{} from {}", e, remote_address);
-            Flash::error(
-                Redirect::to(uri!(reset_key: key)),
-                "Setting new password failed",
-            )
-        }
-    }
+    set_password(&config, &keys, &key, &passwords).unwrap_or_else(|e| {
+        error!("{} from {}", e, remote_address);
+        Flash::error(
+            Redirect::to(uri!(reset_key: key)),
+            "Setting new password failed",
+        )
+    })
 }
 
 fn main() {