tools/dune

@@ -1,5 +1,5 @@
 (executable
  (public_name offline)
  (name offline)
- (modules offline offline_signature)
+ (modules offline offline_bin)
  (libraries cmdliner bos fmt mirage-crypto ptime mte vif))

tools/offline.ml

@@ -1,36 +1,30 @@
 (* TODO
    - clean up cmdliner
-   - don't depends on wget
    - setup: need public key in config file
    - check sigs *)
 (* doc: https://docs.taler.net/manpages/taler-exchange-offline.1.html *)
 let version = "%%VERSION%%"
+let base_url = Uri.of_string "http://localhost:3434/"
 
-let download ~base_url ~output =
+let download ~output =
   let open Bos in
-  let uri =
-    Uri.with_path (Uri.of_string base_url) "/management/keys/" |> Uri.to_string
-  in
-  let wget = Cmd.(v "wget" % "-O" % output % uri) in
-  OS.Cmd.run wget
+  let uri = Uri.with_path base_url "/management/keys/" |> Uri.to_string in
+  OS.Cmd.run Cmd.(v "curl" (* % "-s" *) % "-o" % output % "-X" % "GET" % uri)
 
-let upload ~base_url ~input =
+let upload ~input =
   let open Bos in
-  let uri =
-    Uri.with_path (Uri.of_string base_url) "/management/keys/" |> Uri.to_string
-  in
-  let wget =
+  let uri = Uri.with_path base_url "/management/keys/" |> Uri.to_string in
+  OS.Cmd.run
     Cmd.(
-      v "wget"
-      % "--method=POST"
-      % "--header='Content-Type: application/json'"
-      % "--body-file"
-      % input
-      % "-O"
-      % "/dev/null"
+      v "curl"
+      % "-i"
+      % "-X"
+      % "POST"
+      % "-H"
+      % "Content-Type: application/json"
+      % "--data"
+      % ("@" ^ input)
       % uri)
-  in
-  OS.Cmd.run wget
 
 let setup ~output =
   let output = Fpath.v output in
@@ -52,8 +46,9 @@ let sign ~input ~output ~master_key =
   let* master_key = File.read master_key |> unwrap_err_msg in
   let master_key = EddsaPrivateKey.of_octets master_key in
   let* future_key_response = Api.decode Api.FutureKeysResponse.jsont input in
+  let* () = Offline_bin.verify_future_key_response future_key_response in
   let master_signatures =
-    Offline_signature.master_signatures ~master_key future_key_response
+    Offline_bin.make_master_signatures ~master_key future_key_response
   in
   let* s = Api.encode Api.MasterSignatures.jsont master_signatures in
   let* () = File.write output s |> unwrap_err_msg in
@@ -91,14 +86,10 @@ let download_cmd =
     let doc = "File to save data to be signed." in
     Arg.(value & opt filepath "future_keys.json" & info [ "o"; "output" ] ~doc)
   in
-  let base_url =
-    let doc = "Base url of the exchange." in
-    Arg.(value & opt string "http://localhost:3434/" & info [ "base-url" ] ~doc)
-  in
   Cmd.make (Cmd.info "download" ~version ~doc ~man)
   @@
-  let+ output = output and+ base_url = base_url in
-  match download ~base_url ~output with
+  let+ output = output in
+  match download ~output with
   | Error (`Msg err) ->
       Fmt.epr "Download failure: %s@." err;
       exit 1
@@ -114,14 +105,10 @@ let upload_cmd =
     Arg.(
       value & opt filepath "master_signatures.json" & info [ "i"; "input" ] ~doc)
   in
-  let base_url =
-    let doc = "Base url of the exchange." in
-    Arg.(value & opt string "http://localhost:3434/" & info [ "base-url" ] ~doc)
-  in
   Cmd.make (Cmd.info "upload" ~version ~doc ~man)
   @@
-  let+ input = input and+ base_url = base_url in
-  match upload ~base_url ~input with
+  let+ input = input in
+  match upload ~input with
   | Error (`Msg err) ->
       Fmt.epr "Upload failure: %s@." err;
       exit 1

tools/offline_bin.ml

@@ -70,7 +70,7 @@ let signkey_signature ~master_key
   in
   Api.SignKeySignature.{ key; master_sig }
 
-let master_signatures ~master_key
+let make_master_signatures ~master_key
     Api.FutureKeysResponse.
       {
         future_denoms;
@@ -83,3 +83,5 @@ let master_signatures ~master_key
   let denom_sigs = List.map (denom_signature ~master_key) future_denoms in
   let signkey_sigs = List.map (signkey_signature ~master_key) future_signkeys in
   Api.MasterSignatures.{ denom_sigs; signkey_sigs }
+
+let verify_future_key_response _future_key_response = assert false