PHP edd_get_ip函数代码示例

 /**
  * Check the IP address during file download and display an error if it doesn't match the purchase records
  *
  * @access      public
  * @since       1.0
  * @return      void
  */
 public function check_ip($download_id = 0, $email = 0)
 {
     $payment_key = isset($_GET['download_key']) ? urldecode($_GET['download_key']) : false;
     if (empty($payment_key)) {
         return;
     }
     $payment_id = edd_get_purchase_id_by_key($payment_key);
     if (empty($payment_id)) {
         return;
     }
     $payment_ip = get_post_meta($payment_id, '_edd_payment_user_ip', true);
     if ($payment_ip !== edd_get_ip()) {
         wp_die(__('You do not have permission to download this file because your IP address doesn\'t match our records.', 'edd-iplock'), __('Error', 'edd-iplock'));
     }
 }

/**
 * Generates a token for a given URL.
 *
 * An 'o' query parameter on a URL can include optional variables to test
 * against when verifying a token without passing those variables around in
 * the URL. For example, downloads can be limited to the IP that the URL was
 * generated for by adding 'o=ip' to the query string.
 *
 * Or suppose when WordPress requested a URL for automatic updates, the user
 * agent could be tested to ensure the URL is only valid for requests from
 * that user agent.
 *
 * @since 2.3
 *
 * @param string $url The URL to generate a token for.
 * @return string The token for the URL.
 */
function edd_get_download_token($url = '')
{
    $args = array();
    $hash = apply_filters('edd_get_url_token_algorithm', 'sha256');
    $secret = apply_filters('edd_get_url_token_secret', hash($hash, wp_salt()));
    /*
     * Add additional args to the URL for generating the token.
     * Allows for restricting access to IP and/or user agent.
     */
    $parts = parse_url($url);
    $options = array();
    if (isset($parts['query'])) {
        wp_parse_str($parts['query'], $query_args);
        // o = option checks (ip, user agent).
        if (!empty($query_args['o'])) {
            // Multiple options can be checked by separating them with a colon in the query parameter.
            $options = explode(':', rawurldecode($query_args['o']));
            if (in_array('ip', $options)) {
                $args['ip'] = edd_get_ip();
            }
            if (in_array('ua', $options)) {
                $ua = isset($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : '';
                $args['user_agent'] = rawurlencode($ua);
            }
        }
    }
    /*
     * Filter to modify arguments and allow custom options to be tested.
     * Be sure to rawurlencode any custom options for consistent results.
     */
    $args = apply_filters('edd_get_url_token_args', $args, $url, $options);
    $args['secret'] = $secret;
    $args['token'] = false;
    // Removes a token if present.
    $url = add_query_arg($args, $url);
    $parts = parse_url($url);
    // In the event there isn't a path, set an empty one so we can MD5 the token
    if (!isset($parts['path'])) {
        $parts['path'] = '';
    }
    $token = md5($parts['path'] . '?' . $parts['query']);
    return $token;
}

 /**
  * Log each API request, if enabled
  *
  * @access private
  * @since  1.5
  * @global $edd_logs
  * @global $wp_query
  * @param array $data
  * @return void
  */
 private function log_request($data = array())
 {
     if (!$this->log_requests) {
         return;
     }
     global $edd_logs, $wp_query;
     $query = array('edd-api' => $wp_query->query_vars['edd-api'], 'key' => isset($wp_query->query_vars['key']) ? $wp_query->query_vars['key'] : null, 'token' => isset($wp_query->query_vars['token']) ? $wp_query->query_vars['token'] : null, 'query' => isset($wp_query->query_vars['query']) ? $wp_query->query_vars['query'] : null, 'type' => isset($wp_query->query_vars['type']) ? $wp_query->query_vars['type'] : null, 'product' => isset($wp_query->query_vars['product']) ? $wp_query->query_vars['product'] : null, 'customer' => isset($wp_query->query_vars['customer']) ? $wp_query->query_vars['customer'] : null, 'date' => isset($wp_query->query_vars['date']) ? $wp_query->query_vars['date'] : null, 'startdate' => isset($wp_query->query_vars['startdate']) ? $wp_query->query_vars['startdate'] : null, 'enddate' => isset($wp_query->query_vars['enddate']) ? $wp_query->query_vars['enddate'] : null, 'id' => isset($wp_query->query_vars['id']) ? $wp_query->query_vars['id'] : null, 'purchasekey' => isset($wp_query->query_vars['purchasekey']) ? $wp_query->query_vars['purchasekey'] : null, 'email' => isset($wp_query->query_vars['email']) ? $wp_query->query_vars['email'] : null);
     $log_data = array('log_type' => 'api_request', 'post_excerpt' => http_build_query($query), 'post_content' => !empty($data['error']) ? $data['error'] : '');
     $log_meta = array('request_ip' => edd_get_ip(), 'user' => $this->user_id, 'key' => isset($wp_query->query_vars['key']) ? $wp_query->query_vars['key'] : null, 'token' => isset($wp_query->query_vars['token']) ? $wp_query->query_vars['token'] : null, 'time' => $data['request_speed'], 'version' => $this->get_queried_version());
     $edd_logs->insert_log($log_data, $log_meta);
 }

/**
 * Insert Payment
 *
 * @since 1.0
 * @param array $payment_data
 * @return int|bool Payment ID if payment is inserted, false otherwise
 */
function edd_insert_payment($payment_data = array())
{
    if (empty($payment_data)) {
        return false;
    }
    // Make sure the payment is inserted with the correct timezone
    date_default_timezone_set(edd_get_timezone_id());
    // Construct the payment title
    if (isset($payment_data['user_info']['first_name']) || isset($payment_data['user_info']['last_name'])) {
        $payment_title = $payment_data['user_info']['first_name'] . ' ' . $payment_data['user_info']['last_name'];
    } else {
        $payment_title = $payment_data['user_email'];
    }
    // Retrieve the ID of the discount used, if any
    if ($payment_data['user_info']['discount'] != 'none') {
        $discount = edd_get_discount_by('code', $payment_data['user_info']['discount']);
    }
    // Find the next payment number, if enabled
    if (edd_get_option('enable_sequential')) {
        $number = edd_get_next_payment_number();
    }
    $args = apply_filters('edd_insert_payment_args', array('post_title' => $payment_title, 'post_status' => isset($payment_data['status']) ? $payment_data['status'] : 'pending', 'post_type' => 'edd_payment', 'post_parent' => isset($payment_data['parent']) ? $payment_data['parent'] : null, 'post_date' => isset($payment_data['post_date']) ? $payment_data['post_date'] : null, 'post_date_gmt' => isset($payment_data['post_date']) ? get_gmt_from_date($payment_data['post_date']) : null), $payment_data);
    // Create a blank payment
    $payment = wp_insert_post($args);
    if ($payment) {
        if (isset($payment_data['tax'])) {
            $cart_tax = $payment_data['tax'];
        } else {
            $taxes = $payment_data['cart_details'] ? wp_list_pluck($payment_data['cart_details'], 'tax') : array();
            $cart_tax = array_sum($taxes);
            $cart_tax += edd_get_cart_fee_tax();
        }
        $payment_meta = array('currency' => $payment_data['currency'], 'downloads' => $payment_data['downloads'], 'user_info' => $payment_data['user_info'], 'cart_details' => $payment_data['cart_details']);
        $mode = edd_is_test_mode() ? 'test' : 'live';
        $gateway = !empty($payment_data['gateway']) ? $payment_data['gateway'] : '';
        $gateway = empty($gateway) && isset($_POST['edd-gateway']) ? $_POST['edd-gateway'] : $gateway;
        if (!$payment_data['price']) {
            // Ensures the _edd_payment_total meta key is created for purchases with an amount of 0
            $payment_data['price'] = '0.00';
        }
        // Create or update a customer
        $customer = new EDD_Customer($payment_data['user_email']);
        $customer_data = array('name' => $payment_data['user_info']['first_name'] . ' ' . $payment_data['user_info']['last_name'], 'email' => $payment_data['user_email'], 'user_id' => $payment_data['user_info']['id']);
        if (empty($customer->id)) {
            $customer->create($customer_data);
        } else {
            // Only update the customer if their name or email has changed
            if ($customer_data['email'] !== $customer->email || $customer_data['name'] !== $customer->name) {
                // We shouldn't be updating the User ID here, that is an admin task
                unset($customer_data['user_id']);
                $customer->update($customer_data);
            }
        }
        $customer->attach_payment($payment, false);
        // Record the payment details
        edd_update_payment_meta($payment, '_edd_payment_meta', apply_filters('edd_payment_meta', $payment_meta, $payment_data));
        edd_update_payment_meta($payment, '_edd_payment_user_id', $payment_data['user_info']['id']);
        edd_update_payment_meta($payment, '_edd_payment_customer_id', $customer->id);
        edd_update_payment_meta($payment, '_edd_payment_user_email', $payment_data['user_email']);
        edd_update_payment_meta($payment, '_edd_payment_user_ip', edd_get_ip());
        edd_update_payment_meta($payment, '_edd_payment_purchase_key', $payment_data['purchase_key']);
        edd_update_payment_meta($payment, '_edd_payment_total', $payment_data['price']);
        edd_update_payment_meta($payment, '_edd_payment_mode', $mode);
        edd_update_payment_meta($payment, '_edd_payment_gateway', $gateway);
        edd_update_payment_meta($payment, '_edd_payment_tax', $cart_tax);
        if (!empty($discount)) {
            edd_update_payment_meta($payment, '_edd_payment_discount_id', $discount->ID);
        }
        if (edd_get_option('enable_sequential')) {
            edd_update_payment_meta($payment, '_edd_payment_number', edd_format_payment_number($number));
            update_option('edd_last_payment_number', $number);
        }
        // Clear the user's purchased cache
        delete_transient('edd_user_' . $payment_data['user_info']['id'] . '_purchases');
        do_action('edd_insert_payment', $payment, $payment_data);
        return $payment;
        // Return the ID
    }
    // Return false if no payment was inserted
    return false;
}

 /**
  * Create the base of a payment.
  *
  * @since  2.5
  * @param  array    $payment_data Base payment data.
  * @return int|bool Fale on failure, the payment ID on success.
  */
 private function insert_payment()
 {
     // Make sure the payment is inserted with the correct timezone
     date_default_timezone_set(edd_get_timezone_id());
     // Construct the payment title
     $payment_title = '';
     if (!empty($this->first_name) && !empty($this->last_name)) {
         $payment_title = $this->first_name . ' ' . $this->last_name;
     } else {
         if (!empty($this->first_name) && empty($this->last_name)) {
             $payment_title = $this->first_name;
         } else {
             if (!empty($this->email) && is_email($this->email)) {
                 $payment_title = $this->email;
             }
         }
     }
     if (empty($payment_title)) {
         return false;
     }
     if (empty($this->date)) {
         $this->date = date('Y-m-d H:i:s', current_time('timestamp'));
     }
     if (empty($this->key)) {
         $auth_key = defined('AUTH_KEY') ? AUTH_KEY : '';
         $this->key = strtolower(md5($this->email . date('Y-m-d H:i:s') . $auth_key . uniqid('edd', true)));
         // Unique key
         $this->pending['key'] = $this->key;
     }
     if (empty($this->ip)) {
         $this->ip = edd_get_ip();
         $this->pending['ip'] = $this->ip;
     }
     $payment_data = array('price' => $this->total, 'date' => $this->date, 'user_email' => $this->email, 'purchase_key' => $this->key, 'currency' => $this->currency, 'downloads' => $this->downloads, 'user_info' => array('id' => $this->user_id, 'email' => $this->email, 'first_name' => $this->first_name, 'last_name' => $this->last_name, 'discount' => $this->discounts, 'address' => $this->address), 'cart_details' => $this->cart_details, 'status' => $this->status, 'fees' => $this->fees);
     $args = apply_filters('edd_insert_payment_args', array('post_title' => $payment_title, 'post_status' => $this->status, 'post_type' => 'edd_payment', 'post_parent' => $this->parent_payment, 'post_date' => $this->date, 'post_date_gmt' => get_gmt_from_date($this->date)), $payment_data);
     // Create a blank payment
     $payment_id = wp_insert_post($args);
     if (!empty($payment_id)) {
         $this->ID = $payment_id;
         $this->_ID = $payment_id;
         $customer = new stdClass();
         if (did_action('edd_pre_process_purchase') && is_user_logged_in()) {
             $customer = new EDD_customer(get_current_user_id(), true);
         }
         if (empty($customer->id)) {
             $customer = new EDD_Customer($this->email);
         }
         if (empty($customer->id)) {
             $customer_data = array('name' => !is_email($payment_title) ? $this->first_name . ' ' . $this->last_name : '', 'email' => $this->email, 'user_id' => $this->user_id);
             $customer->create($customer_data);
         }
         $this->customer_id = $customer->id;
         $this->pending['customer_id'] = $this->customer_id;
         $customer->attach_payment($this->ID, false);
         $this->payment_meta = apply_filters('edd_payment_meta', $this->payment_meta, $payment_data);
         if (!empty($this->payment_meta['fees'])) {
             $this->fees = array_merge($this->fees, $this->payment_meta['fees']);
             foreach ($this->fees as $fee) {
                 $this->increase_fees($fee['amount']);
             }
         }
         $this->update_meta('_edd_payment_meta', $this->payment_meta);
         $this->new = true;
     }
     return $this->ID;
 }

/**
 * Get Detected Currency From IP
 * 
 * Handles to get customer detected currncey
 * based on IP Address
 * 
 * @package Easy Digital Downloads - Currency Converter
 * @since 1.0.0
 **/
function edd_currency_get_detected_currency()
{
    global $edd_options;
    //get currency code detected
    $currency_detected = wp_cache_get('edd_currency_detected');
    //check currency detected is not empty
    if (empty($currency_detected)) {
        $detecteddata = array();
        //get currency from IP address of customer
        $currency_url = 'http://www.geoplugin.net/php.gp?ip=' . edd_get_ip();
        $remotedata = wp_remote_get($currency_url, array('sslverify' => false));
        if (!is_wp_error($remotedata)) {
            // Check error are not set
            $detecteddata = isset($remotedata['body']) && !empty($remotedata['body']) ? maybe_unserialize($remotedata['body']) : false;
        }
        //check currency detection data should not empty
        if (!empty($detecteddata)) {
            //check currency code is detected or not
            if (isset($detecteddata['geoplugin_currencyCode'])) {
                $currency_detected = $detecteddata['geoplugin_currencyCode'];
                //get all currencies data
                $currencies = edd_currency_get_currency_list();
                //check base currency & detected currency is same
                if ($currency_detected == edd_get_currency()) {
                    $currency_detected = false;
                }
                //check detected currency is empty and not set in currency list
                if (empty($currency_detected) && !isset($currencies[$currency_detected])) {
                    $currency_detected = false;
                }
            } else {
                $currency_detected = false;
            }
        }
        //end if to check detected currecny data is not empty
        //check detected currency is empty then set it false
        if (empty($currency_detected)) {
            $currency_detected = false;
        }
        //store detected currency in cache
        wp_cache_set('edd_currency_detected', $currency_detected);
    }
    //end if to check detected currency is not empty
    //check detected currency is empty then set it false
    if (empty($currency_detected)) {
        $currency_detected = false;
    }
    return apply_filters('edd_currency_get_customer_detected_currency', $currency_detected);
}

/**
 * Process Download
 *
 * Handles the file download process.
 *
 * @access      private
 * @since       1.0
 * @return      void
 */
function edd_process_download()
{
    if (!isset($_GET['download_id']) && isset($_GET['download'])) {
        $_GET['download_id'] = $_GET['download'];
    }
    $args = apply_filters('edd_process_download_args', array('download' => isset($_GET['download_id']) ? (int) $_GET['download_id'] : '', 'email' => isset($_GET['email']) ? rawurldecode($_GET['email']) : '', 'expire' => isset($_GET['expire']) ? rawurldecode($_GET['expire']) : '', 'file_key' => isset($_GET['file']) ? (int) $_GET['file'] : '', 'price_id' => isset($_GET['price_id']) ? (int) $_GET['price_id'] : false, 'key' => isset($_GET['download_key']) ? $_GET['download_key'] : '', 'eddfile' => isset($_GET['eddfile']) ? $_GET['eddfile'] : '', 'ttl' => isset($_GET['ttl']) ? $_GET['ttl'] : '', 'token' => isset($_GET['token']) ? $_GET['token'] : ''));
    if (!empty($args['eddfile']) && !empty($args['ttl']) && !empty($args['token'])) {
        // Validate a signed URL that edd_process_signed_download_urlcontains a token
        $args = edd_process_signed_download_url($args);
        // Backfill some legacy super globals for backwards compatibility
        $_GET['download_id'] = $args['download'];
        $_GET['email'] = $args['email'];
        $_GET['expire'] = $args['expire'];
        $_GET['download_key'] = $args['key'];
        $_GET['price_id'] = $args['price_id'];
    } elseif (!empty($args['download']) && !empty($args['key']) && !empty($args['email']) && !empty($args['expire']) && isset($args['file_key'])) {
        // Validate a legacy URL without a token
        $args = edd_process_legacy_download_url($args);
    } else {
        return;
    }
    $args['has_access'] = apply_filters('edd_file_download_has_access', $args['has_access'], $args['payment'], $args);
    //$args['has_access'] = ( edd_logged_in_only() && is_user_logged_in() ) || !edd_logged_in_only() ? true : false;
    if ($args['payment'] && $args['has_access']) {
        do_action('edd_process_verified_download', $args['download'], $args['email'], $args['payment'], $args);
        // Determine the download method set in settings
        $method = edd_get_file_download_method();
        // Payment has been verified, setup the download
        $download_files = edd_get_download_files($args['download']);
        $attachment_id = !empty($download_files[$args['file_key']]['attachment_id']) ? absint($download_files[$args['file_key']]['attachment_id']) : false;
        /*
         * If we have an attachment ID stored, use get_attached_file() to retrieve absolute URL
         * If this fails or returns a relative path, we fail back to our own absolute URL detection
         */
        if ($attachment_id && 'attachment' == get_post_type($attachment_id)) {
            if ('redirect' == $method) {
                $attached_file = wp_get_attachment_url($attachment_id);
            } else {
                $attached_file = get_attached_file($attachment_id, false);
                // Confirm the file exists
                if (!file_exists($attached_file)) {
                    $attached_file = false;
                }
            }
            if ($attached_file) {
                $requested_file = $attached_file;
            }
        }
        // If we didn't find a file from the attachment, grab the given URL
        if (!isset($requested_file)) {
            $requested_file = isset($download_files[$args['file_key']]['file']) ? $download_files[$args['file_key']]['file'] : '';
        }
        // Allow the file to be altered before any headers are sent
        $requested_file = apply_filters('edd_requested_file', $requested_file, $download_files, $args['file_key']);
        if ('x_sendfile' == $method && (!function_exists('apache_get_modules') || !in_array('mod_xsendfile', apache_get_modules()))) {
            // If X-Sendfile is selected but is not supported, fallback to Direct
            $method = 'direct';
        }
        $file_details = parse_url($requested_file);
        $schemes = array('http', 'https');
        // Direct URL schemes
        if ((!isset($file_details['scheme']) || !in_array($file_details['scheme'], $schemes)) && isset($file_details['path']) && file_exists($requested_file)) {
            /**
             * Download method is seto to Redirect in settings but an absolute path was provided
             * We need to switch to a direct download in order for the file to download properly
             */
            $method = 'direct';
        }
        /**
         * Allow extensions to run actions prior to recording the file download log entry
         *
         * @since 2.6.14
         */
        do_action('edd_process_download_pre_record_log', $requested_file, $args, $method);
        // Record this file download in the log
        $user_info = array();
        $user_info['email'] = $args['email'];
        if (is_user_logged_in()) {
            $user_data = get_userdata(get_current_user_id());
            $user_info['id'] = get_current_user_id();
            $user_info['name'] = $user_data->display_name;
        }
        edd_record_download_in_log($args['download'], $args['file_key'], $user_info, edd_get_ip(), $args['payment'], $args['price_id']);
        $file_extension = edd_get_file_extension($requested_file);
        $ctype = edd_get_file_ctype($file_extension);
        if (!edd_is_func_disabled('set_time_limit') && !ini_get('safe_mode')) {
            @set_time_limit(0);
        }
        if (function_exists('get_magic_quotes_runtime') && get_magic_quotes_runtime() && version_compare(phpversion(), '5.4', '<')) {
            set_magic_quotes_runtime(0);
        }
//.........这里部分代码省略.........

/**
 * Insert Payment
 *
 * @since 1.0
 * @param array $payment_data
 * @return int|bool Payment ID if payment is inserted, false otherwise
 */
function edd_insert_payment($payment_data = array())
{
    if (empty($payment_data)) {
        return false;
    }
    $payment = new EDD_Payment();
    if (is_array($payment_data['cart_details']) && !empty($payment_data['cart_details'])) {
        foreach ($payment_data['cart_details'] as $item) {
            $args = array('quantity' => $item['quantity'], 'price_id' => isset($item['item_number']['options']['price_id']) ? $item['item_number']['options']['price_id'] : null, 'tax' => $item['tax'], 'item_price' => isset($item['item_price']) ? $item['item_price'] : $item['price'], 'fees' => isset($item['fees']) ? $item['fees'] : array(), 'discount' => isset($item['discount']) ? $item['discount'] : 0);
            $options = isset($item['item_number']['options']) ? $item['item_number']['options'] : array();
            $payment->add_download($item['id'], $args, $options);
        }
    }
    $payment->increase_tax(edd_get_cart_fee_tax());
    $gateway = !empty($payment_data['gateway']) ? $payment_data['gateway'] : '';
    $gateway = empty($gateway) && isset($_POST['edd-gateway']) ? $_POST['edd-gateway'] : $gateway;
    $payment->status = !empty($payment_data['status']) ? $payment_data['status'] : 'pending';
    $payment->currency = !empty($payment_data['currency']) ? $payment_data['currency'] : edd_get_currency();
    $payment->user_info = $payment_data['user_info'];
    $payment->gateway = $gateway;
    $payment->user_id = $payment_data['user_info']['id'];
    $payment->email = $payment_data['user_email'];
    $payment->first_name = $payment_data['user_info']['first_name'];
    $payment->last_name = $payment_data['user_info']['last_name'];
    $payment->email = $payment_data['user_info']['email'];
    $payment->ip = edd_get_ip();
    $payment->key = $payment_data['purchase_key'];
    $payment->mode = edd_is_test_mode() ? 'test' : 'live';
    $payment->parent_payment = !empty($payment_data['parent']) ? absint($payment_data['parent']) : '';
    $payment->discounts = !empty($payment_data['user_info']['discount']) ? $payment_data['user_info']['discount'] : array();
    if (isset($payment_data['post_date'])) {
        $payment->date = $payment_data['post_date'];
    }
    if (edd_get_option('enable_sequential')) {
        $number = edd_get_next_payment_number();
        $payment->number = edd_format_payment_number($number);
        update_option('edd_last_payment_number', $number);
    }
    // Clear the user's purchased cache
    delete_transient('edd_user_' . $payment_data['user_info']['id'] . '_purchases');
    $payment->save();
    do_action('edd_insert_payment', $payment->ID, $payment_data);
    if (!empty($payment->ID)) {
        return $payment->ID;
    }
    // Return false if no payment was inserted
    return false;
}

/**
 * The free download process.
 * 
 * Modified from:
 * /includes/process-download.php -> edd_process_download()
 * Modifed parts:
 * Stripping the purchase validation process.
 *
 * @return void
 */
function vp_edd_fd_process_download()
{
    global $edd_options;
    $valid = true;
    $payment = -1;
    $download = isset($_GET['did']) ? (int) $_GET['did'] : '';
    $expire = isset($_GET['expire']) ? base64_decode(rawurldecode($_GET['expire'])) : '';
    $file_key = isset($_GET['file']) ? (int) $_GET['file'] : '';
    // if( $download === '' || $email === '' || $file_key === '' )
    if ($download === '' || $file_key === '') {
        return false;
    }
    // make sure user logged in
    $must_logged_in = isset($edd_options['vp_edd_fd_must_logged_in']) ? $edd_options['vp_edd_fd_must_logged_in'] : false;
    if ($must_logged_in) {
        if (!is_user_logged_in()) {
            $valid = false;
        }
    }
    // Make sure the link hasn't expired
    if (current_time('timestamp') > $expire) {
        wp_die(apply_filters('edd_download_link_expired_text', __('Sorry but your download link has expired.', 'edd')), __('Error', 'edd'));
    }
    // Check to see if the file download limit has been reached
    if (edd_is_file_at_download_limit($download, -1, $file_key)) {
        wp_die(apply_filters('edd_download_limit_reached_text', __('Sorry but you have hit your download limit for this file.', 'edd')), __('Error', 'edd'));
    }
    if ($valid) {
        // setup the download
        $download_files = edd_get_download_files($download);
        $requested_file = apply_filters('edd_requested_file', $download_files[$file_key]['file'], $download_files, $file_key);
        // gather user data
        $user_info = array();
        if ($must_logged_in) {
            global $user_ID;
            $user_data = get_userdata($user_ID);
            $user_info['email'] = $user_data->user_email;
            $user_info['id'] = $user_ID;
            $user_info['name'] = $user_data->display_name;
        } else {
            $user_info['email'] = 'anonymous';
            $user_info['id'] = 'anonymous';
        }
        edd_record_download_in_log($download, $file_key, $user_info, edd_get_ip(), $payment);
        $file_extension = edd_get_file_extension($requested_file);
        $ctype = edd_get_file_ctype($file_extension);
        if (!edd_is_func_disabled('set_time_limit') && !ini_get('safe_mode')) {
            set_time_limit(0);
        }
        if (function_exists('get_magic_quotes_runtime') && get_magic_quotes_runtime()) {
            set_magic_quotes_runtime(0);
        }
        @session_write_close();
        if (function_exists('apache_setenv')) {
            @apache_setenv('no-gzip', 1);
        }
        @ini_set('zlib.output_compression', 'Off');
        nocache_headers();
        header("Robots: none");
        header("Content-Type: " . $ctype . "");
        header("Content-Description: File Transfer");
        header("Content-Disposition: attachment; filename=\"" . apply_filters('edd_requested_file_name', basename($requested_file)) . "\";");
        header("Content-Transfer-Encoding: binary");
        $file_path = realpath($requested_file);
        if (strpos($requested_file, 'http://') === false && strpos($requested_file, 'https://') === false && strpos($requested_file, 'ftp://') === false && file_exists($file_path)) {
            /** This is an absolute path */
            edd_deliver_download($file_path);
        } else {
            if (strpos($requested_file, WP_CONTENT_URL) !== false) {
                /** This is a local file given by URL */
                $upload_dir = wp_upload_dir();
                $file_path = str_replace(WP_CONTENT_URL, WP_CONTENT_DIR, $requested_file);
                $file_path = realpath($file_path);
                if (file_exists($file_path)) {
                    edd_deliver_download($file_path);
                } else {
                    // Absolute path couldn't be discovered so send straight to the file URL
                    header("Location: " . $requested_file);
                }
            } else {
                // This is a remote file
                header("Location: " . $requested_file);
            }
        }
        exit;
    } else {
        wp_die(apply_filters('edd_deny_download_message', __('You do not have permission to download this file.', 'vp_edd_fd')), __('Error', 'edd'));
    }
    exit;
}

/**
 * Process add-on Downloads
 *
 * Handles the file download process for add-ons.
 *
 * @access      private
 * @since       1.1
 * @return      void
 */
function affwp_process_add_on_download()
{
    if (!isset($_GET['add_on'])) {
        return;
    }
    if (!is_user_logged_in()) {
        return;
    }
    $add_on = absint($_GET['add_on']);
    if ('download' != get_post_type($add_on)) {
        return;
    }
    $has_ultimate_license = in_array(3, affwp_get_users_price_ids());
    $has_professional_license = in_array(2, affwp_get_users_price_ids());
    if (!($has_ultimate_license || $has_professional_license)) {
        wp_die('You need either an Ultimate or Professional license to download this add-on', 'Error', array('response' => 403));
    }
    $user_info = array();
    $user_data = get_userdata(get_current_user_id());
    $user_info['email'] = $user_data->user_email;
    $user_info['id'] = $user_data->ID;
    $user_info['name'] = $user_data->display_name;
    edd_record_download_in_log($add_on, 0, $user_info, edd_get_ip(), 0, 0);
    $download_files = edd_get_download_files($add_on);
    $requested_file = $download_files[0]['file'];
    $file_extension = edd_get_file_extension($requested_file);
    $ctype = edd_get_file_ctype($file_extension);
    if (!edd_is_func_disabled('set_time_limit') && !ini_get('safe_mode')) {
        set_time_limit(0);
    }
    if (function_exists('get_magic_quotes_runtime') && get_magic_quotes_runtime()) {
        set_magic_quotes_runtime(0);
    }
    @session_write_close();
    if (function_exists('apache_setenv')) {
        @apache_setenv('no-gzip', 1);
    }
    @ini_set('zlib.output_compression', 'Off');
    nocache_headers();
    header("Robots: none");
    header("Content-Type: " . $ctype . "");
    header("Content-Description: File Transfer");
    header("Content-Disposition: attachment; filename=\"" . basename($requested_file) . "\"");
    header("Content-Transfer-Encoding: binary");
    $method = edd_get_file_download_method();
    if ('x_sendfile' == $method && (!function_exists('apache_get_modules') || !in_array('mod_xsendfile', apache_get_modules()))) {
        // If X-Sendfile is selected but is not supported, fallback to Direct
        $method = 'direct';
    }
    switch ($method) {
        case 'redirect':
            // Redirect straight to the file
            header("Location: " . $requested_file);
            break;
        case 'direct':
        default:
            $direct = false;
            $file_details = parse_url($requested_file);
            $schemes = array('http', 'https');
            // Direct URL schemes
            if ((!isset($file_details['scheme']) || !in_array($file_details['scheme'], $schemes)) && isset($file_details['path']) && file_exists($requested_file)) {
                /** This is an absolute path */
                $direct = true;
                $file_path = $requested_file;
            } else {
                if (defined('UPLOADS') && strpos($requested_file, UPLOADS) !== false) {
                    /**
                     * This is a local file given by URL so we need to figure out the path
                     * UPLOADS is always relative to ABSPATH
                     * site_url() is the URL to where WordPress is installed
                     */
                    $file_path = str_replace(site_url(), '', $requested_file);
                    $file_path = realpath(ABSPATH . $file_path);
                    $direct = true;
                } else {
                    if (strpos($requested_file, WP_CONTENT_URL) !== false) {
                        /** This is a local file given by URL so we need to figure out the path */
                        $file_path = str_replace(WP_CONTENT_URL, WP_CONTENT_DIR, $requested_file);
                        $file_path = realpath($file_path);
                        $direct = true;
                    }
                }
            }
            // Now deliver the file based on the kind of software the server is running / has enabled
            if (function_exists('apache_get_modules') && in_array('mod_xsendfile', apache_get_modules())) {
                header("X-Sendfile: {$file_path}");
            } elseif (stristr(getenv('SERVER_SOFTWARE'), 'lighttpd')) {
                header("X-LIGHTTPD-send-file: {$file_path}");
            } elseif (stristr(getenv('SERVER_SOFTWARE'), 'nginx') || stristr(getenv('SERVER_SOFTWARE'), 'cherokee')) {
                // We need a path relative to the domain
                $file_path = str_ireplace($_SERVER['DOCUMENT_ROOT'], '', $file_path);
//.........这里部分代码省略.........

/**
 * Process Download
 *
 * Handles the file download process.
 *
 * @access      private
 * @since       1.0
 * @return      void
*/
function edd_process_download()
{
    $args = apply_filters('edd_process_download_args', array('download' => isset($_GET['download']) ? (int) $_GET['download'] : '', 'email' => isset($_GET['email']) ? rawurldecode($_GET['email']) : '', 'expire' => isset($_GET['expire']) ? base64_decode(rawurldecode($_GET['expire'])) : '', 'file_key' => isset($_GET['file']) ? (int) $_GET['file'] : '', 'key' => isset($_GET['download_key']) ? $_GET['download_key'] : ''));
    if ($args['download'] === '' || $args['email'] === '' || $args['file_key'] === '') {
        return false;
    }
    extract($args);
    $payment = edd_verify_download_link($download, $key, $email, $expire, $file_key);
    // Defaulting this to true for now because the method below doesn't work well
    $has_access = apply_filters('edd_file_download_has_access', true, $payment, $args);
    //$has_access = ( edd_logged_in_only() && is_user_logged_in() ) || !edd_logged_in_only() ? true : false;
    if ($payment && $has_access) {
        do_action('edd_process_verified_download', $download, $email);
        // payment has been verified, setup the download
        $download_files = edd_get_download_files($download);
        $requested_file = apply_filters('edd_requested_file', $download_files[$file_key]['file']);
        $user_info = array();
        $user_info['email'] = $email;
        if (is_user_logged_in()) {
            global $user_ID;
            $user_data = get_userdata($user_ID);
            $user_info['id'] = $user_ID;
            $user_info['name'] = $user_data->display_name;
        }
        edd_record_download_in_log($download, $file_key, $user_info, edd_get_ip(), $payment);
        $file_extension = edd_get_file_extension($requested_file);
        $ctype = edd_get_file_ctype($file_extension);
        if (!edd_is_func_disabled('set_time_limit') && !ini_get('safe_mode')) {
            set_time_limit(0);
        }
        if (function_exists('get_magic_quotes_runtime') && get_magic_quotes_runtime()) {
            set_magic_quotes_runtime(0);
        }
        @session_write_close();
        if (function_exists('apache_setenv')) {
            @apache_setenv('no-gzip', 1);
        }
        @ini_set('zlib.output_compression', 'Off');
        @ob_end_clean();
        if (ob_get_level()) {
            @ob_end_clean();
        }
        // Zip corruption fix
        nocache_headers();
        header("Robots: none");
        header("Content-Type: " . $ctype . "");
        header("Content-Description: File Transfer");
        header("Content-Disposition: attachment; filename=\"" . apply_filters('edd_requested_file_name', basename($requested_file)) . "\";");
        header("Content-Transfer-Encoding: binary");
        if (strpos($requested_file, 'http://') === false && strpos($requested_file, 'https://') === false && strpos($requested_file, 'ftp://') === false) {
            // this is an absolute path
            $requested_file = realpath($requested_file);
            if (file_exists($requested_file)) {
                if ($size = @filesize($requested_file)) {
                    header("Content-Length: " . $size);
                }
                @edd_readfile_chunked($requested_file);
            } else {
                wp_die(__('Sorry but this file does not exist.', 'edd'), __('Error', 'edd'));
            }
        } else {
            if (strpos($requested_file, WP_CONTENT_URL) !== false) {
                // This is a local file given by URL
                $upload_dir = wp_upload_dir();
                $requested_file = str_replace(WP_CONTENT_URL, WP_CONTENT_DIR, $requested_file);
                $requested_file = realpath($requested_file);
                if (file_exists($requested_file)) {
                    if ($size = @filesize($requested_file)) {
                        header("Content-Length: " . $size);
                    }
                    @edd_readfile_chunked($requested_file);
                } else {
                    wp_die(__('Sorry but this file does not exist.', 'edd'), __('Error', 'edd'));
                }
            } else {
                // This is a remote file
                header("Location: " . $requested_file);
            }
        }
        exit;
    } else {
        $error_message = __('You do not have permission to download this file', 'edd');
        wp_die(apply_filters('edd_deny_download_message', $error_message, __('Purchase Verification Failed', 'edd')));
    }
    exit;
}

/**
 * Insert Payment
 *
 * @access      public
 * @since       1.0 
 * @return      void
*/
function edd_insert_payment($payment_data = array())
{
    if (empty($payment_data)) {
        return false;
    }
    // construct the payment title
    if (isset($payment_data['user_info']['first_name']) || isset($payment_data['user_info']['last_name'])) {
        $payment_title = $payment_data['user_info']['first_name'] . ' ' . $payment_data['user_info']['last_name'];
    } else {
        $payment_title = $payment_data['user_email'];
    }
    if (isset($payment_data['status'])) {
        $status = $payment_data['status'];
    } else {
        $status = 'pending';
    }
    // create a blank payment
    $payment = wp_insert_post(array('post_title' => $payment_title, 'post_status' => $status, 'post_type' => 'edd_payment', 'post_date' => $payment_data['date']));
    if ($payment) {
        $payment_meta = array('amount' => $payment_data['price'], 'date' => $payment_data['date'], 'email' => $payment_data['user_email'], 'key' => $payment_data['purchase_key'], 'currency' => $payment_data['currency'], 'downloads' => serialize($payment_data['downloads']), 'user_info' => serialize($payment_data['user_info']), 'cart_details' => serialize($payment_data['cart_details']), 'user_id' => $payment_data['user_info']['id']);
        $mode = edd_is_test_mode() ? 'test' : 'live';
        $gateway = isset($_POST['edd-gateway']) ? $_POST['edd-gateway'] : '';
        // record the payment details
        update_post_meta($payment, '_edd_payment_meta', apply_filters('edd_payment_meta', $payment_meta, $payment_data));
        update_post_meta($payment, '_edd_payment_user_id', $payment_data['user_info']['id']);
        update_post_meta($payment, '_edd_payment_user_email', $payment_data['user_email']);
        update_post_meta($payment, '_edd_payment_user_ip', edd_get_ip());
        update_post_meta($payment, '_edd_payment_purchase_key', $payment_data['purchase_key']);
        update_post_meta($payment, '_edd_payment_total', $payment_data['price']);
        update_post_meta($payment, '_edd_payment_mode', $mode);
        update_post_meta($payment, '_edd_payment_gateway', $gateway);
        // clear the user's purchased cache
        delete_transient('edd_user_' . $payment_data['user_info']['id'] . '_purchases');
        do_action('edd_insert_payment', $payment, $payment_data);
        return $payment;
        // return the ID
    }
    // return false if no payment was inserted
    return false;
}

/**
 * Insert Payment
 *
 * @since 1.0
 * @param array $payment_data
 * @return bool true if payment is inserted, false otherwise
 */
function edd_insert_payment($payment_data = array())
{
    if (empty($payment_data)) {
        return false;
    }
    // Construct the payment title
    if (isset($payment_data['user_info']['first_name']) || isset($payment_data['user_info']['last_name'])) {
        $payment_title = $payment_data['user_info']['first_name'] . ' ' . $payment_data['user_info']['last_name'];
    } else {
        $payment_title = $payment_data['user_email'];
    }
    // Retrieve the ID of the discount used, if any
    if ($payment_data['user_info']['discount'] != 'none') {
        $discount = edd_get_discount_by_code($payment_data['user_info']['discount']);
    }
    $args = apply_filters('edd_insert_payment_args', array('post_title' => $payment_title, 'post_status' => isset($payment_data['status']) ? $payment_data['status'] : 'pending', 'post_type' => 'edd_payment', 'post_parent' => isset($payment_data['parent']) ? $payment_data['parent'] : null, 'post_date' => isset($payment_data['post_date']) ? $payment_data['post_date'] : null, 'post_date_gmt' => isset($payment_data['post_date']) ? $payment_data['post_date'] : null), $payment_data);
    // Create a blank payment
    $payment = wp_insert_post($args);
    if ($payment) {
        $payment_meta = array('currency' => $payment_data['currency'], 'downloads' => serialize($payment_data['downloads']), 'user_info' => serialize($payment_data['user_info']), 'cart_details' => serialize($payment_data['cart_details']), 'tax' => edd_is_cart_taxed() ? edd_get_cart_tax() : 0);
        $mode = edd_is_test_mode() ? 'test' : 'live';
        $gateway = isset($_POST['edd-gateway']) ? $_POST['edd-gateway'] : '';
        // Record the payment details
        update_post_meta($payment, '_edd_payment_meta', apply_filters('edd_payment_meta', $payment_meta, $payment_data));
        update_post_meta($payment, '_edd_payment_user_id', $payment_data['user_info']['id']);
        update_post_meta($payment, '_edd_payment_user_email', $payment_data['user_email']);
        update_post_meta($payment, '_edd_payment_user_ip', edd_get_ip());
        update_post_meta($payment, '_edd_payment_purchase_key', $payment_data['purchase_key']);
        update_post_meta($payment, '_edd_payment_total', $payment_data['price']);
        update_post_meta($payment, '_edd_payment_mode', $mode);
        update_post_meta($payment, '_edd_payment_gateway', $gateway);
        if (!empty($discount)) {
            update_post_meta($payment, '_edd_payment_discount_id', $discount->ID);
        }
        // Clear the user's purchased cache
        delete_transient('edd_user_' . $payment_data['user_info']['id'] . '_purchases');
        do_action('edd_insert_payment', $payment, $payment_data);
        return $payment;
        // Return the ID
    }
    // Return false if no payment was inserted
    return false;
}

/**
 * Process Download
 *
 * Handles the file download process.
 *
 * @access      private
 * @since       1.0 
 * @return      void
*/
function edd_process_download()
{
    if (isset($_GET['download']) && isset($_GET['email']) && isset($_GET['file'])) {
        $download = urldecode($_GET['download']);
        $key = urldecode($_GET['download_key']);
        $email = rawurldecode($_GET['email']);
        $file_key = urldecode($_GET['file']);
        $expire = urldecode(base64_decode($_GET['expire']));
        $payment = edd_verify_download_link($download, $key, $email, $expire, $file_key);
        // defaulting this to true for now because the method below doesn't work well
        $has_access = true;
        //$has_access = ( edd_logged_in_only() && is_user_logged_in() ) || !edd_logged_in_only() ? true : false;
        if ($payment && $has_access) {
            do_action('edd_process_verified_download', $download, $email);
            // payment has been verified, setup the download
            $download_files = edd_get_download_files($download);
            $requested_file = apply_filters('edd_requested_file', $download_files[$file_key]['file']);
            $user_info = array();
            $user_info['email'] = $email;
            if (is_user_logged_in()) {
                global $user_ID;
                $user_data = get_userdata($user_ID);
                $user_info['id'] = $user_ID;
                $user_info['name'] = $user_data->display_name;
            }
            edd_record_download_in_log($download, $file_key, $user_info, edd_get_ip(), date('Y-m-d H:i:s'));
            $file_extension = edd_get_file_extension($requested_file);
            switch ($file_extension) {
                case 'ai':
                    $ctype = "application/postscript";
                    break;
                case 'aif':
                    $ctype = "audio/x-aiff";
                    break;
                case 'aifc':
                    $ctype = "audio/x-aiff";
                    break;
                case 'aiff':
                    $ctype = "audio/x-aiff";
                    break;
                case 'asc':
                    $ctype = "text/plain";
                    break;
                case 'atom':
                    $ctype = "application/atom+xml";
                    break;
                case 'au':
                    $ctype = "audio/basic";
                    break;
                case 'avi':
                    $ctype = "video/x-msvideo";
                    break;
                case 'bcpio':
                    $ctype = "application/x-bcpio";
                    break;
                case 'bin':
                    $ctype = "application/octet-stream";
                    break;
                case 'bmp':
                    $ctype = "image/bmp";
                    break;
                case 'cdf':
                    $ctype = "application/x-netcdf";
                    break;
                case 'cgm':
                    $ctype = "image/cgm";
                    break;
                case 'class':
                    $ctype = "application/octet-stream";
                    break;
                case 'cpio':
                    $ctype = "application/x-cpio";
                    break;
                case 'cpt':
                    $ctype = "application/mac-compactpro";
                    break;
                case 'csh':
                    $ctype = "application/x-csh";
                    break;
                case 'css':
                    $ctype = "text/css";
                    break;
                case 'dcr':
                    $ctype = "application/x-director";
                    break;
                case 'dif':
                    $ctype = "video/x-dv";
                    break;
                case 'dir':
                    $ctype = "application/x-director";
                    break;
//.........这里部分代码省略.........