1 files changed, 47 insertions, 5 deletions

diff --git a/src/main.rs b/src/main.rs
index 2ebc97c..eff64b8 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,10 +3,13 @@
 use crate::commands::{ Command, CommandMap, Mode };
 use crate::error::*;
 
+use std::collections::HashMap;
 use std::io::Write;
 use std::process;
 
 use ::clap::Parser;
+use ::json::{ self, JsonValue };
+
 
 mod commands;
 mod error;
@@ -45,8 +48,9 @@ impl TopLevelMode {
     }))?;
 
     command_map.insert(Command::<TopLevelMode>::new("list", |mode, _params| {
-      let _secrets = read_secret_metadata(&mode.flake_path,
+      let secrets = read_secret_metadata(&mode.flake_path,
                                           &mode.configuration_name)?;
+      println!("{:?}", secrets);
       // TODO do something with them
 
       Ok(Some(mode))
@@ -88,6 +92,13 @@ fn default_empty_command() -> Result<()> {
 }
 
 
+#[derive(Debug)]
+struct Secret {
+  path: String,
+  script: String,
+}
+
+
 fn main() -> () {
   match main_h() {
     Ok(()) => { },
@@ -133,7 +144,7 @@ fn prompt(raw: &str) -> Result<Option<String>> {
 
 
 fn read_secret_metadata(flake_path: &str, configuration_name: &str)
-     -> Result<()>
+     -> Result<HashMap<String, Secret>>
 {
   let mut nix_expression = String::new();
   nix_expression.push_str("let config = (builtins.getFlake \"");
@@ -164,10 +175,41 @@ fn read_secret_metadata(flake_path: &str, configuration_name: &str)
   }
 
   let nix_json = String::from_utf8(nix_output.stdout)?;
+  let mut nix_json = json::parse(&nix_json).map_err(|e| Error::Internal(
+                     "nix subprocess returned invalid JSON".to_string()))?;
+  if !nix_json.is_object() {
+    return Err(Error::Internal(
+        "nix subprocess returned non-object for JSON".to_string()));
+  }
 
-  println!("{}", nix_json);
-  // TODO parse the JSON
+  let mut secrets = HashMap::new();
+  for (name, body) in nix_json.entries_mut() {
+    if !body.is_object() {
+      return Err(Error::Internal(
+          "nix subprocess returned non-object for secret definition"
+          .to_string()));
+    }
 
-  Ok(())
+    if !body.has_key("path") {
+      return Err(Error::Internal(
+          "nix subprocess returned secret definition with missing path value"
+          .to_string()));
+    }
+    let path = body["path"].take_string().ok_or(Error::Internal(
+            "nix subprocess returned non-string for path value".to_string()))?;
+
+    if !body.has_key("script") {
+      return Err(Error::Internal(
+          "nix subprocess returned secret definition with missing script value"
+          .to_string()));
+    }
+    let script = body["script"].take_string().ok_or(Error::Internal(
+            "nix subprocess returned non-string for script value"
+            .to_string()))?;
+
+    secrets.insert(name.to_string(), Secret { path, script });
+  }
+
+  Ok(secrets)
 }