From a2ebc6c3b2ec3e420a03e36faf00c6e3bf3f25e7 Mon Sep 17 00:00:00 2001
From: Frederic Guillot <fred@kanboard.net>
Date: Sun, 25 Oct 2015 18:11:49 -0400
Subject: Move some classes to namespace Core\Http

---
 app/Core/Http/Request.php | 243 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 243 insertions(+)
 create mode 100644 app/Core/Http/Request.php

(limited to 'app/Core/Http/Request.php')

diff --git a/app/Core/Http/Request.php b/app/Core/Http/Request.php
new file mode 100644
index 00000000..9f89a6e2
--- /dev/null
+++ b/app/Core/Http/Request.php
@@ -0,0 +1,243 @@
+<?php
+
+namespace Kanboard\Core\Http;
+
+use Kanboard\Core\Base;
+
+/**
+ * Request class
+ *
+ * @package  http
+ * @author   Frederic Guillot
+ */
+class Request extends Base
+{
+    /**
+     * Get URL string parameter
+     *
+     * @access public
+     * @param  string   $name            Parameter name
+     * @param  string   $default_value   Default value
+     * @return string
+     */
+    public function getStringParam($name, $default_value = '')
+    {
+        return isset($_GET[$name]) ? $_GET[$name] : $default_value;
+    }
+
+    /**
+     * Get URL integer parameter
+     *
+     * @access public
+     * @param  string   $name            Parameter name
+     * @param  integer  $default_value   Default value
+     * @return integer
+     */
+    public function getIntegerParam($name, $default_value = 0)
+    {
+        return isset($_GET[$name]) && ctype_digit($_GET[$name]) ? (int) $_GET[$name] : $default_value;
+    }
+
+    /**
+     * Get a form value
+     *
+     * @access public
+     * @param  string    $name   Form field name
+     * @return string|null
+     */
+    public function getValue($name)
+    {
+        $values = $this->getValues();
+        return isset($values[$name]) ? $values[$name] : null;
+    }
+
+    /**
+     * Get form values and check for CSRF token
+     *
+     * @access public
+     * @return array
+     */
+    public function getValues()
+    {
+        if (! empty($_POST) && ! empty($_POST['csrf_token']) && $this->token->validateCSRFToken($_POST['csrf_token'])) {
+            unset($_POST['csrf_token']);
+            return $_POST;
+        }
+
+        return array();
+    }
+
+    /**
+     * Get the raw body of the HTTP request
+     *
+     * @access public
+     * @return string
+     */
+    public function getBody()
+    {
+        return file_get_contents('php://input');
+    }
+
+    /**
+     * Get the Json request body
+     *
+     * @access public
+     * @return array
+     */
+    public function getJson()
+    {
+        return json_decode($this->getBody(), true) ?: array();
+    }
+
+    /**
+     * Get the content of an uploaded file
+     *
+     * @access public
+     * @param  string   $name   Form file name
+     * @return string
+     */
+    public function getFileContent($name)
+    {
+        if (isset($_FILES[$name])) {
+            return file_get_contents($_FILES[$name]['tmp_name']);
+        }
+
+        return '';
+    }
+
+    /**
+     * Get the path of an uploaded file
+     *
+     * @access public
+     * @param  string   $name   Form file name
+     * @return string
+     */
+    public function getFilePath($name)
+    {
+        return isset($_FILES[$name]['tmp_name']) ? $_FILES[$name]['tmp_name'] : '';
+    }
+
+    /**
+     * Return true if the HTTP request is sent with the POST method
+     *
+     * @access public
+     * @return bool
+     */
+    public function isPost()
+    {
+        return isset($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'POST';
+    }
+
+    /**
+     * Return true if the HTTP request is an Ajax request
+     *
+     * @access public
+     * @return bool
+     */
+    public function isAjax()
+    {
+        return $this->getHeader('X-Requested-With') === 'XMLHttpRequest';
+    }
+
+    /**
+     * Check if the page is requested through HTTPS
+     *
+     * Note: IIS return the value 'off' and other web servers an empty value when it's not HTTPS
+     *
+     * @static
+     * @access public
+     * @return boolean
+     */
+    public static function isHTTPS()
+    {
+        return isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] !== '' && $_SERVER['HTTPS'] !== 'off';
+    }
+
+    /**
+     * Return a HTTP header value
+     *
+     * @access public
+     * @param  string   $name   Header name
+     * @return string
+     */
+    public function getHeader($name)
+    {
+        $name = 'HTTP_'.str_replace('-', '_', strtoupper($name));
+        return isset($_SERVER[$name]) ? $_SERVER[$name] : '';
+    }
+
+    /**
+     * Returns current request's query string, useful for redirecting
+     *
+     * @access public
+     * @return string
+     */
+    public function getQueryString()
+    {
+        return isset($_SERVER['QUERY_STRING']) ? $_SERVER['QUERY_STRING'] : '';
+    }
+
+    /**
+     * Returns uri
+     *
+     * @access public
+     * @return string
+     */
+    public function getUri()
+    {
+        return isset($_SERVER['REQUEST_URI']) ? $_SERVER['REQUEST_URI'] : '';
+    }
+
+    /**
+     * Get the user agent
+     *
+     * @static
+     * @access public
+     * @return string
+     */
+    public static function getUserAgent()
+    {
+        return empty($_SERVER['HTTP_USER_AGENT']) ? t('Unknown') : $_SERVER['HTTP_USER_AGENT'];
+    }
+
+    /**
+     * Get the real IP address of the user
+     *
+     * @static
+     * @access public
+     * @param  bool    $only_public   Return only public IP address
+     * @return string
+     */
+    public static function getIpAddress($only_public = false)
+    {
+        $keys = array(
+            'HTTP_CLIENT_IP',
+            'HTTP_X_FORWARDED_FOR',
+            'HTTP_X_FORWARDED',
+            'HTTP_X_CLUSTER_CLIENT_IP',
+            'HTTP_FORWARDED_FOR',
+            'HTTP_FORWARDED',
+            'REMOTE_ADDR'
+        );
+
+        foreach ($keys as $key) {
+            if (isset($_SERVER[$key])) {
+                foreach (explode(',', $_SERVER[$key]) as $ip_address) {
+                    $ip_address = trim($ip_address);
+
+                    if ($only_public) {
+
+                        // Return only public IP address
+                        if (filter_var($ip_address, FILTER_VALIDATE_IP, FILTER_FLAG_NO_PRIV_RANGE | FILTER_FLAG_NO_RES_RANGE) !== false) {
+                            return $ip_address;
+                        }
+                    } else {
+                        return $ip_address;
+                    }
+                }
+            }
+        }
+
+        return t('Unknown');
+    }
+}
-- 
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