refactor: rename internal/session package to internal/ctx

internal/ctx/cookies.go

@@ -0,0 +1,41 @@
+package ctx
+
+import (
+	"net/http"
+	"time"
+
+	"github.com/donseba/go-htmx"
+	"github.com/labstack/echo/v4"
+)
+
+type Session struct {
+	echo.Context
+	htmx *htmx.HTMX
+}
+
+func (c *Session) Htmx() *htmx.HTMX {
+	return c.htmx
+}
+
+func (c *Session) ID() string {
+	return ReadCookie(c, "session")
+}
+
+func ReadCookie(c echo.Context, key string) string {
+	cookie, err := c.Cookie(key)
+	if err != nil {
+		return ""
+	}
+	if cookie == nil {
+		return ""
+	}
+	return cookie.Value
+}
+
+func WriteCookie(c echo.Context, key string, value string) {
+	cookie := new(http.Cookie)
+	cookie.Name = key
+	cookie.Value = value
+	cookie.Expires = time.Now().Add(24 * time.Hour)
+	c.SetCookie(cookie)
+}

internal/ctx/middleware.go

@@ -0,0 +1,33 @@
+package ctx
+
+import (
+	"github.com/labstack/echo/v4"
+	"github.com/segmentio/ksuid"
+)
+
+// GetSession returns the current Session
+func GetSession(c echo.Context) *Session {
+	return c.(*Session)
+}
+
+// UseSession establishes a Session Cookie.
+func UseSession(next echo.HandlerFunc) echo.HandlerFunc {
+	return func(c echo.Context) error {
+		sc := initSession(c)
+		headers := new(RequestHeaders)
+		err := sc.Bind(headers)
+		if err != nil {
+			return err
+		}
+		return next(sc)
+	}
+}
+
+func initSession(c echo.Context) *Session {
+	s := &Session{Context: c}
+	if val := ReadCookie(c, "session"); val == "" {
+		id := ksuid.New().String()
+		WriteCookie(c, "session", id)
+	}
+	return s
+}

internal/ctx/request.go

@@ -0,0 +1,31 @@
+package ctx
+
+type RequestHeaders struct {
+	CacheControl  *string `header:"Cache-Control"`
+	DeviceMemory  *string `header:"Device-Memory"`
+	From          *string `header:"From"`
+	Host          *string `header:"Host"`
+	Referer       *string `header:"Referer"`
+	UserAgent     *string `header:"User-Agent"`
+	ViewportWidth *string `header:"Viewport-Width"`
+	Width         *string `header:"Width"`
+
+	// HTMX Specific
+	HXBoosted               *string `header:"HX-Boosted"`
+	HXCurrentURL            *string `header:"HX-Current-URL"`
+	HXHistoryRestoreRequest *string `header:"HX-History-Restore-Request"`
+	HXPrompt                *string `header:"HX-Prompt"`
+	HXRequest               *string `header:"HX-Request"`
+	HXTarget                *string `header:"HX-Target"`
+	HXTriggerName           *string `header:"HX-Trigger-Name"`
+	HXTrigger               *string `header:"HX-Trigger"`
+}
+
+type ProtectedRequestHeaders struct {
+	Authorization      *string `header:"Authorization"`
+	Forwarded          *string `header:"Forwarded"`
+	Link               *string `header:"Link"`
+	PermissionsPolicy  *string `header:"Permissions-Policy"`
+	ProxyAuthorization *string `header:"Proxy-Authorization"`
+	WWWAuthenticate    *string `header:"WWW-Authenticate"`
+}

internal/ctx/response.go

@@ -0,0 +1,30 @@
+package ctx
+
+type ResponseHeaders struct {
+	// HTMX Specific
+	HXLocation           *string `header:"HX-Location"`
+	HXPushURL            *string `header:"HX-Push-Url"`
+	HXRedirect           *string `header:"HX-Redirect"`
+	HXRefresh            *string `header:"HX-Refresh"`
+	HXReplaceURL         *string `header:"HX-Replace-Url"`
+	HXReswap             *string `header:"HX-Reswap"`
+	HXRetarget           *string `header:"HX-Retarget"`
+	HXReselect           *string `header:"HX-Reselect"`
+	HXTrigger            *string `header:"HX-Trigger"`
+	HXTriggerAfterSettle *string `header:"HX-Trigger-After-Settle"`
+	HXTriggerAfterSwap   *string `header:"HX-Trigger-After-Swap"`
+}
+
+type ProtectedResponseHeaders struct {
+	AcceptCH                      *string `header:"Accept-CH"`
+	AccessControlAllowCredentials *string `header:"Access-Control-Allow-Credentials"`
+	AccessControlAllowHeaders     *string `header:"Access-Control-Allow-Headers"`
+	AccessControlAllowMethods     *string `header:"Access-Control-Allow-Methods"`
+	AccessControlExposeHeaders    *string `header:"Access-Control-Expose-Headers"`
+	AccessControlRequestHeaders   *string `header:"Access-Control-Request-Headers"`
+	ContentSecurityPolicy         *string `header:"Content-Security-Policy"`
+	CrossOriginEmbedderPolicy     *string `header:"Cross-Origin-Embedder-Policy"`
+	PermissionsPolicy             *string `header:"Permissions-Policy"`
+	ProxyAuthorization            *string `header:"Proxy-Authorization"`
+	WWWAuthenticate               *string `header:"WWW-Authenticate"`
+}