91 lines
3.3 KiB
PHP
91 lines
3.3 KiB
PHP
<?php
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function valid($msg, $key, $regex) {
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//if(!isset($msg[$key])) {
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/*
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if(!array_key_exists($key,$msg)) {
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echo "{\"error_message\": \"Key " . $key . " does not exist in msg.\"}";
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return false;
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}
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else if(!preg_match($regex,$msg[$key])) {
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echo "{\"error_message\": \"" . $msg[$key] . " does not match regex " . $regex . "\"}";
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return false;
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}
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else {
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return true;
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}
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*/
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return array_key_exists($key,$msg) && preg_match($regex,$msg[$key]);
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}
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// Update device configuration
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$router->post('/api/config', function($req) {
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$msg = $req->getJSONBody();
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if(!valid($msg,'mac_address', '/^[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f]:[0-9a-f][0-9a-f]$/i') ||
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!valid($msg,'ip_address', '/^[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*\.[0-9][0-9]*$/i') ||
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!valid($msg,'firmware_version', '/^[0-9]+\.[0-9]+$/') ||
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!valid($msg,'temperature_offset', '/^[0-9]+\.*[0-9]*$/') ||
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!valid($msg,'humidity_offset', '/^[0-9]+\.*[0-9]*$/')
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) {
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echo '{"error_message": "Field verification failed."}';
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http_response_code(400);
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return;
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}
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// If device is already registered (it sends an ID) then figure out what values changed and send those back for the device to re-configure itself.
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else if(valid($msg,'id','/^[0-9]+$/')) {
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http_response_code(200);
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return;
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}
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// All fields are set and no ID was given. Register new device and return new ID...
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else {
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$config = [
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'mac_address' => $msg['mac_address'],
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'ip_address' => $msg['ip_address'],
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'seen_ip_address' => $_SERVER['REMOTE_ADDR'],
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'firmware_version' => $msg['firmware_version'],
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'temperature_offset' => $msg['temperature_offset'],
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'humidity_offset' => $msg['humidity_offset'],
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'last_updated' => date('Y-m-d H:i:s'),
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'last_seen' => date('Y-m-d H:i:s')
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];
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$deviceID = $db->addDevice($config);
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echo json_encode(['deviceID' => $deviceID]);
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http_response_code(200);
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}
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});
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// Device reports temperature back on this endpoint.
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$router->post('/api/report', function($req) {
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echo 'body:' . var_dump($req->getBody()) . "\n";
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DumpHTTPRequestToFile::execute("/tmp/out.txt");
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http_response_code(200);
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});
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$router->get('/api/update', function() {
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if ( $_SERVER['HTTP_USER_AGENT'] == 'ESP8266-http-Update' && isset($_SERVER['HTTP_X_ESP8266_SKETCH_MD5']) ) {
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$user_agent = $_SERVER['HTTP_USER_AGENT'];
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$curr_firmware_md5 = $_SERVER['HTTP_X_ESP8266_SKETCH_MD5'];
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$firmware_file = __DIR__ . '/firmware.bin';
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$firmware_md5 = md5_file($firmware_file);
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echo "USER_AGENT -> ESP8266-http-Update\n";
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echo 'X_ESP8266_SKETCH_MD5 -> ' . $_SERVER['HTTP_X_ESP8266_SKETCH_MD5'] . "\n";
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echo 'MD5 file hash of ' . $firmware_file . ': ' . $firmware_md5;
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if ( $curr_firmware_md5 == $firmware_md5 ) {
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http_response_code(204);
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}
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else {
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$fwdata = file_get_contents($firmware_file);
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header('Content-Length:' . strlen($fwdata));
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echo $fwdata;
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http_response_code(200);
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}
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return;
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}
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http_response_code(400);
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});
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