Use vanilla HTTP handlers (refactoring)

http/context/context.go

@@ -0,0 +1,108 @@
+// Copyright 2018 Frédéric Guillot. All rights reserved.
+// Use of this source code is governed by the Apache 2.0
+// license that can be found in the LICENSE file.
+
+package context
+
+import (
+	"net/http"
+
+	"github.com/miniflux/miniflux/middleware"
+)
+
+// Context contains helper functions related to the current request.
+type Context struct {
+	request *http.Request
+}
+
+// IsAdminUser checks if the logged user is administrator.
+func (c *Context) IsAdminUser() bool {
+	return c.getContextBoolValue(middleware.IsAdminUserContextKey)
+}
+
+// IsAuthenticated returns a boolean if the user is authenticated.
+func (c *Context) IsAuthenticated() bool {
+	return c.getContextBoolValue(middleware.IsAuthenticatedContextKey)
+}
+
+// UserID returns the UserID of the logged user.
+func (c *Context) UserID() int64 {
+	return c.getContextIntValue(middleware.UserIDContextKey)
+}
+
+// UserTimezone returns the timezone used by the logged user.
+func (c *Context) UserTimezone() string {
+	value := c.getContextStringValue(middleware.UserTimezoneContextKey)
+	if value == "" {
+		value = "UTC"
+	}
+	return value
+}
+
+// UserLanguage get the locale used by the current logged user.
+func (c *Context) UserLanguage() string {
+	language := c.getContextStringValue(middleware.UserLanguageContextKey)
+	if language == "" {
+		language = "en_US"
+	}
+	return language
+}
+
+// CSRF returns the current CSRF token.
+func (c *Context) CSRF() string {
+	return c.getContextStringValue(middleware.CSRFContextKey)
+}
+
+// SessionID returns the current session ID.
+func (c *Context) SessionID() string {
+	return c.getContextStringValue(middleware.SessionIDContextKey)
+}
+
+// UserSessionToken returns the current user session token.
+func (c *Context) UserSessionToken() string {
+	return c.getContextStringValue(middleware.UserSessionTokenContextKey)
+}
+
+// OAuth2State returns the current OAuth2 state.
+func (c *Context) OAuth2State() string {
+	return c.getContextStringValue(middleware.OAuth2StateContextKey)
+}
+
+// FlashMessage returns the message message if any.
+func (c *Context) FlashMessage() string {
+	return c.getContextStringValue(middleware.FlashMessageContextKey)
+}
+
+// FlashErrorMessage returns the message error message if any.
+func (c *Context) FlashErrorMessage() string {
+	return c.getContextStringValue(middleware.FlashErrorMessageContextKey)
+}
+
+func (c *Context) getContextStringValue(key *middleware.ContextKey) string {
+	if v := c.request.Context().Value(key); v != nil {
+		return v.(string)
+	}
+
+	return ""
+}
+
+func (c *Context) getContextBoolValue(key *middleware.ContextKey) bool {
+	if v := c.request.Context().Value(key); v != nil {
+		return v.(bool)
+	}
+
+	return false
+}
+
+func (c *Context) getContextIntValue(key *middleware.ContextKey) int64 {
+	if v := c.request.Context().Value(key); v != nil {
+		return v.(int64)
+	}
+
+	return 0
+}
+
+// New creates a new Context.
+func New(r *http.Request) *Context {
+	return &Context{r}
+}