Fix for volumes prune in http compat api

Signed-off-by: Jakub Guzik <jakubmguzik@gmail.com>

2 files changed, 21 insertions, 17 deletions

diff --git a/pkg/api/handlers/compat/volumes.go b/pkg/api/handlers/compat/volumes.go
index 28fb67102..d2febc615 100644
--- a/pkg/api/handlers/compat/volumes.go
+++ b/pkg/api/handlers/compat/volumes.go
@@ -5,6 +5,7 @@ import (
 	"encoding/json"
 	"net/http"
 	"net/url"
+	"strings"
 	"time"
 
 	"github.com/containers/podman/v3/libpod"
@@ -31,7 +32,7 @@ func ListVolumes(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if err := decoder.Decode(&query, r.URL.Query()); err != nil {
-		utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+		utils.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError,
 			errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
 		return
 	}
@@ -40,7 +41,7 @@ func ListVolumes(w http.ResponseWriter, r *http.Request) {
 	// happily parse them for us.
 	for filter := range query.Filters {
 		if filter == "opts" {
-			utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+			utils.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError,
 				errors.Errorf("unsupported libpod filters passed to docker endpoint"))
 			return
 		}
@@ -90,7 +91,7 @@ func CreateVolume(w http.ResponseWriter, r *http.Request) {
 	/* No query string data*/
 	query := struct{}{}
 	if err := decoder.Decode(&query, r.URL.Query()); err != nil {
-		utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+		utils.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError,
 			errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
 		return
 	}
@@ -218,7 +219,7 @@ func RemoveVolume(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if err := decoder.Decode(&query, r.URL.Query()); err != nil {
-		utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+		utils.Error(w, http.StatusText(http.StatusInternalServerError), http.StatusInternalServerError,
 			errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
 		return
 	}
@@ -263,25 +264,24 @@ func RemoveVolume(w http.ResponseWriter, r *http.Request) {
 func PruneVolumes(w http.ResponseWriter, r *http.Request) {
 	var (
 		runtime = r.Context().Value("runtime").(*libpod.Runtime)
-		decoder = r.Context().Value("decoder").(*schema.Decoder)
 	)
-	// For some reason the prune filters are query parameters even though this
-	// is a POST endpoint
-	query := struct {
-		Filters map[string][]string `schema:"filters"`
-	}{
-		// override any golang type defaults
-	}
-
-	if err := decoder.Decode(&query, r.URL.Query()); err != nil {
-		utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
+	filtersList, err := filtersFromRequest(r)
+	if err != nil {
+		utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Decode()"))
 		return
 	}
+	filterMap := map[string][]string{}
+	for _, filter := range filtersList {
+		split := strings.SplitN(filter, "=", 2)
+		if len(split) > 1 {
+			filterMap[split[0]] = append(filterMap[split[0]], split[1])
+		}
+	}
 
-	f := (url.Values)(query.Filters)
+	f := (url.Values)(filterMap)
 	filterFuncs, err := filters.GenerateVolumeFilters(f)
 	if err != nil {
-		utils.Error(w, "Something when wrong.", http.StatusBadRequest, errors.Wrapf(err, "failed to parse filters for %s", f.Encode()))
+		utils.Error(w, "Something when wrong.", http.StatusInternalServerError, errors.Wrapf(err, "failed to parse filters for %s", f.Encode()))
 		return
 	}
 
diff --git a/test/apiv2/30-volumes.at b/test/apiv2/30-volumes.at
index c27c638bb..1a40b3cdf 100644
--- a/test/apiv2/30-volumes.at
+++ b/test/apiv2/30-volumes.at
@@ -86,6 +86,10 @@ t DELETE libpod/volumes/foo1 404 \
     .message~.* \
     .response=404
 
+# Prune volumes - bad filter input
+t POST volumes/prune?filters='garb1age}' 500 \
+    .cause="invalid character 'g' looking for beginning of value"
+
 ## Prune volumes with label matching 'testlabel1=testonly'
 t POST libpod/volumes/prune?filters='{"label":["testlabel1=testonly"]}' 200
 t GET libpod/volumes/json?filters='{"label":["testlabel1=testonly"]}' 200 length=0