restructure the API and update the admin script

api/util/res.go

@@ -0,0 +1,89 @@
+package util
+
+import (
+	"net/http"
+	"strings"
+
+	"github.com/gofiber/fiber/v2"
+	"github.com/ngn13/website/api/config"
+	"github.com/russross/blackfriday/v2"
+)
+
+func IP(c *fiber.Ctx) string {
+	conf := c.Locals("config").(*config.Type)
+	ip_header := conf.GetStr("ip_header")
+
+	if ip_header != "" && c.Get(ip_header) != "" {
+		return strings.Clone(c.Get(ip_header))
+	}
+
+	return c.IP()
+}
+
+func Markdown(c *fiber.Ctx, raw []byte) error {
+	exts := blackfriday.FencedCode
+	exts |= blackfriday.NoEmptyLineBeforeBlock
+	exts |= blackfriday.HardLineBreak
+
+	c.Set("Content-Type", "text/html; charset=utf-8")
+	return c.Send(blackfriday.Run(raw, blackfriday.WithExtensions(exts)))
+}
+
+func JSON(c *fiber.Ctx, code int, data fiber.Map) error {
+	if data == nil {
+		data = fiber.Map{}
+		data["error"] = ""
+	} else if _, ok := data["error"]; !ok {
+		data["error"] = ""
+	}
+
+	if data["error"] == 200 {
+		Warn("200 response with an error at %s", c.Path())
+	}
+
+	return c.Status(code).JSON(data)
+}
+
+func ErrInternal(c *fiber.Ctx, err error) error {
+	Warn("Internal server error at %s: %s", c.Path(), err.Error())
+
+	return JSON(c, http.StatusInternalServerError, fiber.Map{
+		"error": "Server error",
+	})
+}
+
+func ErrExists(c *fiber.Ctx) error {
+	return JSON(c, http.StatusConflict, fiber.Map{
+		"error": "Entry already exists",
+	})
+}
+
+func ErrNotExist(c *fiber.Ctx) error {
+	return JSON(c, http.StatusNotFound, fiber.Map{
+		"error": "Entry does not exist",
+	})
+}
+
+func ErrBadReq(c *fiber.Ctx) error {
+	return JSON(c, http.StatusBadRequest, fiber.Map{
+		"error": "Provided data is invalid",
+	})
+}
+
+func ErrNotFound(c *fiber.Ctx) error {
+	return JSON(c, http.StatusNotFound, fiber.Map{
+		"error": "Endpoint not found",
+	})
+}
+
+func ErrBadJSON(c *fiber.Ctx) error {
+	return JSON(c, http.StatusBadRequest, fiber.Map{
+		"error": "Invalid JSON data",
+	})
+}
+
+func ErrAuth(c *fiber.Ctx) error {
+	return JSON(c, http.StatusUnauthorized, fiber.Map{
+		"error": "Authentication failed",
+	})
+}