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<?php
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define('SIMPLE_PAYPAL_URL_LIVE', 0);
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define('SIMPLE_PAYPAL_URL_TEST', 1);
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define('SIMPLE_PAYPAL_URL', 'simple_paypal_url');
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define('SIMPLE_PAYPAL_DEFAULT_CURRENCY', 'simple_paypal_default_currency');
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function simple_paypal_get_urls() {
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return array(
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SIMPLE_PAYPAL_URL_LIVE => 'https://www.paypal.com/cgi-bin/webscr',
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SIMPLE_PAYPAL_URL_TEST => 'https://www.sandbox.paypal.com/cgi-bin/webscr',
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);
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}
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/**
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* Implement hook_menu().
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*/
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function simple_paypal_menu() {
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$items = array();
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$items['admin/config/paypal'] = array(
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'title' => 'PayPal',
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'description' => 'PayPal.',
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'page callback' => 'system_admin_menu_block_page',
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'access arguments' => array('access administration pages'),
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'file' => 'system.admin.inc',
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'file path' => drupal_get_path('module', 'system'),
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);
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$items['admin/config/paypal/settings'] = array(
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'title' => 'PayPal settings',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('simple_paypal_admin'),
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'access arguments' => array('administer site configuration'),
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'description' => 'Administer PayPal.',
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);
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return $items;
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}
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function simple_paypal_admin() {
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$form[SIMPLE_PAYPAL_URL] = array(
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'#type' => 'select',
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'#title' => t('Payment URL for PayPal'),
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'#default_value' => variable_get(SIMPLE_PAYPAL_URL, SIMPLE_PAYPAL_URL_LIVE),
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'#options' => simple_paypal_get_urls(),
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'#description' => t('Select whether you want to use a live URL, or a test one.'),
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);
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$form[SIMPLE_PAYPAL_DEFAULT_CURRENCY] = array(
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'#type' => 'select',
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'#title' => t('Default Currency'),
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'#default_value' => variable_get(SIMPLE_PAYPAL_DEFAULT_CURRENCY, 'USD'),
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'#options' => simple_paypal_get_currencies(),
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);
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return system_settings_form($form);
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}
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function simple_paypal_get_url() {
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$urls = simple_paypal_get_urls();
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return $urls[variable_get(SIMPLE_PAYPAL_URL, SIMPLE_PAYPAL_URL_LIVE)];
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}
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function simple_paypal_get_currencies() {
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$default_currency = variable_get(SIMPLE_PAYPAL_DEFAULT_CURRENCY, 'USD');
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$country_currencies = array(
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'AUD' => t('Australian Dollar'),
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'GBP' => t('British Pound'),
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'CAD' => t('Canadian Dollar'),
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'CZK' => t('Czech Koruna'),
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'DKK' => t('Danish Kroner'),
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'EUR' => t('Euro'),
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'HKD' => t('Hong Kong Dollar'),
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'HUF' => t('Hungarian Forint'),
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'ILS' => t('Israeli New Shekel'),
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'JPY' => t('Japanese Yen'),
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'MXN' => t('Mexican Peso'),
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'NZD' => t('New Zealand Dollar'),
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'NOK' => t('Norwegian Kroner'),
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'PLN' => t('Polish Zlotych'),
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'SGD' => t('Singapore Dollar'),
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'SEK' => t('Swedish Kronor'),
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'CHF' => t('Swiss Franc'),
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'USD' => t('U.S. Dollar'),
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);
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if (variable_get(SIMPLE_PAYPAL_DEFAULT_CURRENCY, 'USD')) {
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$ordered_currencies[$default_currency] = $country_currencies[$default_currency];
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foreach ($country_currencies as $key => $value) {
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if($key != $default_currency) {
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$ordered_currencies[$key] = $value;
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}
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}
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return $ordered_currencies;
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}
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return $country_currencies;
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}
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function simple_paypal_format_amount($amount, $currency) {
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$amount = number_format($amount, 2);
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switch ($currency) {
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case 'EUR':
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return "€ $amount";
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case 'GBP':
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return "£ $amount";
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case 'USD':
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return "$ $amount";
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default:
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return check_plain($currency). " $amount";
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}
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}
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function simple_paypal_ipn_verify($vars = array()) {
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// If we are in test mode, log the variables.
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if (SIMPLE_PAYPAL_URL_TEST == variable_get(SIMPLE_PAYPAL_URL, SIMPLE_PAYPAL_URL_TEST)) {
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watchdog('simple_paypal', 'Post variables from PayPal IPN <pre>@vars</pre>', array(
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'@vars' => print_r($vars, TRUE)), WATCHDOG_DEBUG);
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}
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$url = simple_paypal_get_url();
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$ch = curl_init();
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curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
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curl_setopt($ch, CURLOPT_URL, $url);
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curl_setopt($ch, CURLOPT_POST, 1);
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curl_setopt($ch, CURLOPT_POSTFIELDS, simple_paypal_post($vars));
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ob_start();
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if (curl_exec($ch)) {
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$info = ob_get_contents();
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curl_close($ch);
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ob_end_clean();
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if (eregi('VERIFIED', $info)) {
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return TRUE;
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}
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else {
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return FALSE;
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}
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}
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else {
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watchdog('simple_paypal', 'Call to curl_exec() failed. url=@url vars=@vars', array(
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'@vars' => print_r($vars, TRUE),
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'@url' => $url,
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), WATCHDOG_ERROR);
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return FALSE;
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}
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}
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function simple_paypal_post($data = array()) {
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$post = '';
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foreach ($data as $key => $value) {
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$post .= $key. '='. urlencode($value). '&';
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}
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$post .= 'cmd=_notify-validate';
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return $post;
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}
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