Add api keys

Signed-off-by: Sacha Al Himdani <sacha@getprobo.com>

pkg/server/auth/get_api_key_handler.go

@@ -0,0 +1,65 @@
+// Copyright (c) 2025 Probo Inc <hello@getprobo.com>.
+//
+// Permission to use, copy, modify, and/or distribute this software for any
+// purpose with or without fee is hereby granted, provided that the above
+// copyright notice and this permission notice appear in all copies.
+//
+// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
+// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+// AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
+// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
+// OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+// PERFORMANCE OF THIS SOFTWARE.
+
+package auth
+
+import (
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+	"go.gearno.de/kit/httpserver"
+	authsvc "go.probo.inc/probo/pkg/auth"
+	"go.probo.inc/probo/pkg/gid"
+)
+
+type GetUserAPIKeyResponse struct {
+	Key string `json:"key"`
+}
+
+func GetUserAPIKeyHandler(authSvc *authsvc.Service) http.HandlerFunc {
+	return func(w http.ResponseWriter, r *http.Request) {
+		ctx := r.Context()
+		user := UserFromContext(ctx)
+
+		userAPIKeyIDStr := chi.URLParam(r, "id")
+		if userAPIKeyIDStr == "" {
+			httpserver.RenderJSON(w, http.StatusBadRequest, map[string]string{
+				"error": "user api key id is required",
+			})
+			return
+		}
+
+		userAPIKeyID, err := gid.ParseGID(userAPIKeyIDStr)
+		if err != nil {
+			httpserver.RenderJSON(w, http.StatusBadRequest, map[string]string{
+				"error": "invalid user api key id",
+			})
+			return
+		}
+
+		key, err := authSvc.GetUserAPIKey(ctx, userAPIKeyID, user.ID)
+		if err != nil {
+			httpserver.RenderJSON(w, http.StatusNotFound, map[string]string{
+				"error": "user api key not found",
+			})
+			return
+		}
+
+		response := GetUserAPIKeyResponse{
+			Key: key,
+		}
+
+		httpserver.RenderJSON(w, http.StatusOK, response)
+	}
+}