Files
usps_api_bridge/usps_api_bridge.php
2025-12-07 23:45:27 +02:00

464 lines
17 KiB
PHP

<?php
if (!defined('_PS_VERSION_')) {
exit;
}
use Symfony\Component\HttpClient\HttpClient;
class Usps_Api_Bridge extends Module
{
public function __construct()
{
$this->name = 'usps_api_bridge';
$this->tab = 'shipping_logistics';
$this->version = '1.0.0';
$this->author = 'Panariga';
$this->need_instance = 0;
$this->bootstrap = true;
parent::__construct();
$this->displayName = $this->l('USPS API Bridge (OAuth2)');
$this->description = $this->l('Modern OAuth2 Bridge for the legacy ZH USPS Labels module.');
$this->confirmUninstall = $this->l('Are you sure? This will disable the connection to the new USPS API.');
}
public function install()
{
return parent::install() &&
$this->registerHook('actionAdminControllerSetMedia') && // Just in case we need JS later
Configuration::updateValue('USPS_BRIDGE_LIVE_MODE', 0) &&
Configuration::updateValue('USPS_BRIDGE_DEBUG_IPS', '') &&
Configuration::updateValue('USPS_BRIDGE_LOGGING', 1);
}
public function uninstall()
{
// Uninstall the override automatically to prevent errors
return parent::uninstall() &&
Configuration::deleteByName('USPS_BRIDGE_CLIENT_ID') &&
Configuration::deleteByName('USPS_BRIDGE_CLIENT_SECRET') &&
Configuration::deleteByName('USPS_BRIDGE_ACCESS_TOKEN');
}
public function getContent()
{
if (Tools::isSubmit('submitUspsBridgeConf')) {
Configuration::updateValue('USPS_BRIDGE_CLIENT_ID', Tools::getValue('USPS_BRIDGE_CLIENT_ID'));
Configuration::updateValue('USPS_BRIDGE_CLIENT_SECRET', Tools::getValue('USPS_BRIDGE_CLIENT_SECRET'));
Configuration::updateValue('USPS_BRIDGE_LIVE_MODE', Tools::getValue('USPS_BRIDGE_LIVE_MODE'));
Configuration::updateValue('USPS_BRIDGE_DEBUG_IPS', Tools::getValue('USPS_BRIDGE_DEBUG_IPS'));
Configuration::updateValue('USPS_BRIDGE_LOGGING', Tools::getValue('USPS_BRIDGE_LOGGING'));
// Clear token on save to force refresh with new credentials
Configuration::deleteByName('USPS_BRIDGE_ACCESS_TOKEN');
Configuration::deleteByName('USPS_BRIDGE_TOKEN_EXPIRY');
return $this->displayConfirmation($this->l('Settings updated & Token cache cleared'));
}
return $this->renderForm();
}
public function renderForm()
{
$fields_form = [
'form' => [
'legend' => [
'title' => $this->l('USPS OAuth2 Configuration'),
'icon' => 'icon-cogs',
],
'input' => [
[
'type' => 'switch',
'label' => $this->l('Live Mode (Production API)'),
'name' => 'USPS_BRIDGE_LIVE_MODE',
'is_bool' => true,
'values' => [
['id' => 'active_on', 'value' => 1, 'label' => $this->l('Yes')],
['id' => 'active_off', 'value' => 0, 'label' => $this->l('No')],
],
],
[
'type' => 'text',
'label' => $this->l('Consumer Key (Client ID)'),
'name' => 'USPS_BRIDGE_CLIENT_ID',
'required' => true,
],
[
'type' => 'text',
'label' => $this->l('Consumer Secret'),
'name' => 'USPS_BRIDGE_CLIENT_SECRET',
'required' => true,
],
[
'type' => 'textarea',
'label' => $this->l('Debug Allowed IPs'),
'name' => 'USPS_BRIDGE_DEBUG_IPS',
'desc' => $this->l('Comma separated IPs. If set, ONLY these IPs will use the New API. Everyone else uses the old module logic. Leave empty to enable for everyone.'),
],
[
'type' => 'switch',
'label' => $this->l('Enable API Logging'),
'name' => 'USPS_BRIDGE_LOGGING',
'is_bool' => true,
'values' => [
['id' => 'active_on', 'value' => 1, 'label' => $this->l('Yes')],
['id' => 'active_off', 'value' => 0, 'label' => $this->l('No')],
],
],
],
'submit' => [
'title' => $this->l('Save'),
],
],
];
$helper = new HelperForm();
$helper->show_toolbar = false;
$helper->table = $this->table;
$helper->module = $this;
$helper->default_form_language = $this->context->language->id;
$helper->identifier = $this->identifier;
$helper->submit_action = 'submitUspsBridgeConf';
$helper->currentIndex = $this->context->link->getAdminLink('AdminModules', false) . '&configure=' . $this->name . '&tab_module=' . $this->tab . '&module_name=' . $this->name;
$helper->token = Tools::getAdminTokenLite('AdminModules');
$helper->tpl_vars = [
'fields_value' => [
'USPS_BRIDGE_CLIENT_ID' => Configuration::get('USPS_BRIDGE_CLIENT_ID'),
'USPS_BRIDGE_CLIENT_SECRET' => Configuration::get('USPS_BRIDGE_CLIENT_SECRET'),
'USPS_BRIDGE_LIVE_MODE' => Configuration::get('USPS_BRIDGE_LIVE_MODE'),
'USPS_BRIDGE_DEBUG_IPS' => Configuration::get('USPS_BRIDGE_DEBUG_IPS'),
'USPS_BRIDGE_LOGGING' => Configuration::get('USPS_BRIDGE_LOGGING'),
],
];
return $helper->generateForm([$fields_form]);
}
/**
* THE CORE BRIDGE LOGIC
*/
public function calculateRate($params, $shipping_cost, $products, $originalModule)
{
require_once(dirname(__FILE__) . '/classes/UspsV3Client.php');
// 1. Get OAuth Token
$token = $this->getAccessToken();
if (!$token) {
return false;
}
// 2. Identify which Service (Method) PrestaShop is asking for
$carrierId = $params->id_carrier;
$sql = 'SELECT code FROM `' . _DB_PREFIX_ . 'uspsl_method` WHERE id_carrier = ' . (int)$carrierId;
$methodCode = Db::getInstance()->getValue($sql);
if (!$methodCode) {
return false;
}
// 3. Map Old Code to New API Enum
$newApiClass = $this->mapServiceCodeToApiClass($methodCode);
if (!$newApiClass) {
$this->log("Mapping failed for code: " . $methodCode);
return false;
}
// 4. Pack the Products
$packedBoxes = $originalModule->getHelper()->getCarrierHelper()->packProducts($products, $params->id);
if (empty($packedBoxes)) {
$this->log("Box packer returned empty.");
return false;
}
// 5. Initialize API Client
$client = new UspsV3Client($token, (bool)Configuration::get('USPS_BRIDGE_LIVE_MODE'));
$totalPrice = 0;
// 6. Get Origin/Dest addresses
$originZip = $this->getOriginZip($originalModule);
$destAddress = new Address($params->id_address_delivery);
// Clean zip codes (USPS V3 expects 5 digits for domestic)
$originZip = substr(preg_replace('/[^0-9]/', '', $originZip), 0, 5);
$destZip = substr(preg_replace('/[^0-9]/', '', $destAddress->postcode), 0, 5);
$isInternational = ($destAddress->id_country != Country::getByIso('US'));
// 7. Loop through every box and get a rate
foreach ($packedBoxes as $packedBox) {
// BoxPacker uses Grams and Millimeters by default
// USPS requires Pounds and Inches
// Weight: Grams -> Pounds
$weightInLbs = $this->convertUnit($packedBox->getWeight(), 'g', 'lbs', 3);
// Dimensions: Millimeters -> Inches
$box = $packedBox->getBox();
$length = $this->convertUnit($box->getOuterLength(), 'mm', 'in', 2);
$width = $this->convertUnit($box->getOuterWidth(), 'mm', 'in', 2);
$height = $this->convertUnit($box->getOuterDepth(), 'mm', 'in', 2);
// Build Payload
$payload = [
'originZIPCode' => $originZip,
'weight' => $weightInLbs,
'length' => $length,
'width' => $width,
'height' => $height,
'mailClass' => $newApiClass,
'priceType' => 'COMMERCIAL',
'mailingDate' => date('Y-m-d', strtotime('+1 day')),
'processingCategory' => 'MACHINABLE',
'rateIndicator' => 'SP'
];
// -- HANDLE FLAT RATES --
$rateIndicator = $this->mapBoxToRateIndicator($box->getReference());
if ($rateIndicator) {
$payload['rateIndicator'] = $rateIndicator;
}
if ($isInternational) {
$payload['destinationCountryCode'] = Country::getIsoById($destAddress->id_country);
$payload['originZIPCode'] = $originZip;
$response = $client->getInternationalRate($payload);
} else {
$payload['destinationZIPCode'] = $destZip;
$payload['destinationEntryFacilityType'] = 'NONE';
$response = $client->getDomesticRate($payload);
}
// Process Response
if (isset($response['error'])) {
$this->log("API Error: " . $response['error']);
return false;
}
if (isset($response['totalBasePrice'])) {
$totalPrice += (float)$response['totalBasePrice'];
} elseif (isset($response['rateOptions'][0]['totalBasePrice'])) {
$totalPrice += (float)$response['rateOptions'][0]['totalBasePrice'];
} else {
$this->log("API Response missing price: " . print_r($response, true));
return false;
}
}
return $totalPrice + $shipping_cost;
}
/**
* Simple Unit Converter to replace the dependency on the old module's class
*/
private function convertUnit($value, $from, $to, $precision = 2)
{
$units = [
'lb' => 453.59237,
'lbs' => 453.59237,
'oz' => 28.3495231,
'kg' => 1000,
'g' => 1,
'in' => 25.4,
'cm' => 10,
'mm' => 1
];
// Normalize to base unit (grams or mm)
$baseValue = $value * (isset($units[$from]) ? $units[$from] : 1);
// Convert to target unit
$converted = $baseValue / (isset($units[$to]) ? $units[$to] : 1);
return round($converted, $precision);
}
/**
* Helper: Get Origin Zip from Old Module DB
*/
private function getOriginZip($originalModule)
{
// The old module stores addresses in `ps_uspsl_address`
// We look for the one marked 'origin' = 1
$sql = 'SELECT postcode FROM `' . _DB_PREFIX_ . 'uspsl_address` WHERE origin = 1 AND active = 1';
$zip = Db::getInstance()->getValue($sql);
return $zip ? $zip : '90210'; // Fallback if configuration is missing
}
/**
* MAPPING LOGIC: Old Module Codes -> New API Enums
*/
private function mapServiceCodeToApiClass($oldCode)
{
// Mappings based on your provided file classes/Model/Method.php
// and the New API Spec Enums
$map = [
// DOMESTIC
'USA_0' => 'USPS_GROUND_ADVANTAGE', // Was First-Class
'USA_1' => 'PRIORITY_MAIL',
'USA_3' => 'PRIORITY_MAIL_EXPRESS',
'USA_6' => 'MEDIA_MAIL',
'USA_7' => 'LIBRARY_MAIL',
'USA_1058' => 'USPS_GROUND_ADVANTAGE',
// INTERNATIONAL
'INT_1' => 'PRIORITY_MAIL_EXPRESS_INTERNATIONAL',
'INT_2' => 'PRIORITY_MAIL_INTERNATIONAL',
'INT_15' => 'FIRST-CLASS_PACKAGE_INTERNATIONAL_SERVICE',
'INT_4' => 'GLOBAL_EXPRESS_GUARANTEED'
];
return isset($map[$oldCode]) ? $map[$oldCode] : false;
}
/**
* MAPPING LOGIC: Flat Rate Boxes
* Maps the internal name of the box to the API 'rateIndicator'
*/
private function mapBoxToRateIndicator($boxReference)
{
// You provided the PredefinedBox.php file earlier.
// We map those names to New API 'rateIndicator' enum.
// Example Reference: "USPS Medium Flat Rate Box" or "MediumFlatRateBox"
// We do a loose match
if (stripos($boxReference, 'Medium Flat Rate Box') !== false) return 'FB';
if (stripos($boxReference, 'Large Flat Rate Box') !== false) return 'PL';
if (stripos($boxReference, 'Small Flat Rate Box') !== false) return 'FS';
if (stripos($boxReference, 'Flat Rate Envelope') !== false) return 'FE';
if (stripos($boxReference, 'Padded Flat Rate Envelope') !== false) return 'FP';
if (stripos($boxReference, 'Legal Flat Rate Envelope') !== false) return 'FA';
return false; // Not a flat rate box, uses standard rates
}
// ... (rest of the class from Step 1: OAuth logic, etc)
/**
* Manages OAuth2 Token life cycle
*/
private function getAccessToken()
{
$token = Configuration::get('USPS_BRIDGE_ACCESS_TOKEN');
$expiry = Configuration::get('USPS_BRIDGE_TOKEN_EXPIRY');
// Add 60 seconds buffer
if ($token && $expiry > (time() + 60)) {
return $token;
}
return $this->refreshAccessToken();
}
private function refreshAccessToken()
{
$clientId = Configuration::get('USPS_BRIDGE_CLIENT_ID');
$clientSecret = Configuration::get('USPS_BRIDGE_CLIENT_SECRET');
$isLive = (bool)Configuration::get('USPS_BRIDGE_LIVE_MODE');
// CORRECT URLs based on the OpenAPI Spec provided:
// Prod: https://apis.usps.com/oauth2/v3
// Test: https://apis-tem.usps.com/oauth2/v3
$url = $isLive
? 'https://apis.usps.com/oauth2/v3/token'
: 'https://apis-tem.usps.com/oauth2/v3/token';
$this->log("Requesting New Token from: " . $url);
// Create Symfony Client
$client = HttpClient::create([
'timeout' => 10,
'verify_peer' => true, // Set to true in strict production environments
'verify_host' => false,
]);
try {
$response = $client->request('POST', $url, [
'headers' => [
'Content-Type' => 'application/json',
'Accept' => 'application/json',
],
// 'json' key automatically encodes the array to JSON and sets Content-Type
'json' => [
'client_id' => $clientId,
'client_secret' => $clientSecret,
'grant_type' => 'client_credentials',
// 'scope' => 'prices international-prices' // Specifying scope helps avoid ambiguity
],
]);
// Get status code
$statusCode = $response->getStatusCode();
// Convert response to array (pass false to prevent throwing exceptions on 4xx/5xx)
$data = $response->toArray(false);
if ($statusCode == 200 && isset($data['access_token'])) {
$expiresIn = isset($data['expires_in']) ? (int)$data['expires_in'] : 3599;
Configuration::updateValue('USPS_BRIDGE_ACCESS_TOKEN', $data['access_token']);
Configuration::updateValue('USPS_BRIDGE_TOKEN_EXPIRY', time() + $expiresIn);
$this->log("Token refreshed successfully.");
return $data['access_token'];
}
// Log detailed error from USPS
$this->log("Token Request Failed [HTTP $statusCode]: " . json_encode($data));
} catch (\Exception $e) {
$this->log("Symfony HTTP Client Error: " . $e->getMessage());
}
return false;
}
/**
* Check if current visitor IP is allowed to use New API
*/
public function isIpAllowed()
{
$allowedIps = Configuration::get('USPS_BRIDGE_DEBUG_IPS');
// If empty, everyone is allowed (Production ready)
if (empty($allowedIps)) {
return true;
}
$ips = array_map('trim', explode(',', $allowedIps));
$currentIp = Tools::getRemoteAddr();
$allowed = in_array($currentIp, $ips);
if (!$allowed) {
// Optional: Log that we skipped logic due to IP (might be too spammy)
// $this->log("IP $currentIp not in debug list. Using Old API.");
}
return $allowed;
}
public function log($message)
{
if (Configuration::get('USPS_BRIDGE_LOGGING')) {
PrestaShopLogger::addLog(
'[USPS-BRIDGE] ' . (is_array($message) ? json_encode($message) : $message),
1,
null,
'Usps_Api_Bridge',
1,
true
);
}
}
}