feat(server): assert agent is accepted for api operations

internal/server/api/authorization.go

@@ -183,7 +183,7 @@ func assertMatchingAgent() assertAgent {
 		}
 
 		agent := u.Agent()
-		if agent != nil && agent.ID == agentID {
+		if agent != nil && agent.ID == agentID && agent.Status == datastore.AgentStatusAccepted {
 			return true
 		}
 

internal/server/api/register_agent.go

@@ -50,8 +50,8 @@ func (m *Mount) registerAgent(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if !validSignature {
-		logger.Warn(ctx, "conflicting signature", logger.F("signature", registerAgentReq.Signature))
-		api.ErrorResponse(w, http.StatusConflict, ErrCodeConflict, nil)
+		logger.Warn(ctx, "invalid thumbprint signature", logger.F("signature", registerAgentReq.Signature))
+		api.ErrorResponse(w, http.StatusBadRequest, api.ErrCodeInvalidRequest, nil)
 
 		return
 	}
@@ -109,29 +109,39 @@ func (m *Mount) registerAgent(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-		validSignature, err = jwk.Verify(agent.KeySet.Set, registerAgentReq.Signature, registerAgentReq.Thumbprint, registerAgentReq.Metadata)
-		if err != nil {
-			err = errors.WithStack(err)
-			logger.Error(ctx, "could not validate signature using previous keyset", logger.CapturedE(err))
+		if agent.Status != datastore.AgentStatusForgotten {
+			validSignature, err = jwk.Verify(agent.KeySet.Set, registerAgentReq.Signature, registerAgentReq.Thumbprint, registerAgentReq.Metadata)
+			if err != nil {
+				err = errors.WithStack(err)
+				logger.Error(ctx, "could not validate signature using previous keyset", logger.CapturedE(err))
 
-			api.ErrorResponse(w, http.StatusConflict, ErrCodeConflict, nil)
+				api.ErrorResponse(w, http.StatusConflict, ErrCodeConflict, nil)
 
-			return
+				return
+			}
+
+			if !validSignature {
+				logger.Error(ctx, "invalid signature")
+				api.ErrorResponse(w, http.StatusConflict, ErrCodeConflict, nil)
+
+				return
+			}
 		}
 
-		if !validSignature {
-			logger.Error(ctx, "invalid signature")
-			api.ErrorResponse(w, http.StatusBadRequest, api.ErrCodeInvalidRequest, nil)
+		updates := []datastore.AgentUpdateOptionFunc{
+			datastore.WithAgentUpdateKeySet(keySet),
+			datastore.WithAgentUpdateMetadata(metadata),
+			datastore.WithAgentUpdateThumbprint(registerAgentReq.Thumbprint),
+		}
 
-			return
+		if agent.Status == datastore.AgentStatusForgotten {
+			updates = append(updates, datastore.WithAgentUpdateStatus(datastore.AgentStatusPending))
 		}
 
 		agent, err = m.agentRepo.Update(
 			ctx,
 			agents[0].ID,
-			datastore.WithAgentUpdateKeySet(keySet),
-			datastore.WithAgentUpdateMetadata(metadata),
-			datastore.WithAgentUpdateThumbprint(registerAgentReq.Thumbprint),
+			updates...,
 		)
 		if err != nil {
 			err = errors.WithStack(err)

pkg/client/client.go

@@ -5,6 +5,7 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
+	"io"
 	"net/http"
 
 	"github.com/pkg/errors"
@@ -95,12 +96,15 @@ func (c *Client) apiDo(ctx context.Context, method string, path string, payload
 
 	defer res.Body.Close()
 
-	decoder := json.NewDecoder(res.Body)
-
-	if err := decoder.Decode(&response); err != nil {
+	data, err := io.ReadAll(res.Body)
+	if err != nil {
 		return errors.WithStack(err)
 	}
 
+	if err := json.Unmarshal(data, &response); err != nil {
+		return errors.Wrapf(err, "could not parse json: got '%s'", data)
+	}
+
 	return nil
 }