public static function Geocode($address, $city, $state, $postal_code, $geocode = null)
{
logtrace("Geocode", [$address, $city, $state, $postal_code, $geocode]);
if (strlen($geocode) > 0) {
$latlng = urlencode(str_replace(' ', '', $geocode));
$geocodeURL = signUrl("http://maps.googleapis.com/maps/api/geocode/json?latlng={$latlng}&sensor=false", GOOGLE_MAPS_API_KEY);
} else {
$address = urlencode($address . ', ' . $city . ', ' . $state . ', ' . $postal_code);
$geocodeURL = signUrl("http://maps.googleapis.com/maps/api/geocode/json?address={$address}&sensor=false", GOOGLE_MAPS_API_KEY);
}
$ch = curl_init($geocodeURL);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($ch);
$httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
curl_close($ch);
$details = [];
logtrace("Geocode: Processing.", null);
if ($httpCode == 200) {
$geocode = json_decode($result);
logtrace("Geocode: Processing.", $geocode);
$lat = $geocode->results[0]->geometry->location->lat;
$lng = $geocode->results[0]->geometry->location->lng;
$formatted_address = $geocode->results[0]->formatted_address;
$details['Address'] = $formatted_address;
$geo_status = $geocode->status;
$location_type = $geocode->results[0]->geometry->location_type;
$details['Geocode'] = $result;
$details['Location'] = json_encode($geocode->results[0]->geometry);
if (is_array($geocode->results[0]->address_components)) {
foreach ($geocode->results[0]->address_components as $k => $component) {
switch ($component->types[0]) {
case 'locality':
if ($component->types[1] == 'political') {
$details['City'] = $component->long_name;
}
break;
case 'administrative_area_level_1':
if ($component->types[1] == 'political') {
$details['Province'] = $component->long_name;
}
break;
case 'postal_code':
$details['PostalCode'] = $component->long_name;
break;
}
}
}
logtrace("Geocode: Details.", $details);
return $details;
} else {
logtrace("Geocode: failed.", []);
return false;
}
}
<?php
$myUrl = $_POST['url-to-sign'];
$baseUrl = $_POST['base-url'];
$cryptoKey = "<YOUR_KEY_HERE>";
$hashedResult = hash_hmac('sha1', $myUrl, $decodedKey);
echo signUrl($myUrl, $cryptoKey);
// Encode a string to URL-safe base64
function encodeBase64UrlSafe($value)
{
return str_replace(array('+', '/'), array('-', '_'), base64_encode($value));
}
// Decode a string from URL-safe base64
function decodeBase64UrlSafe($value)
{
return base64_decode(str_replace(array('-', '_'), array('+', '/'), $value));
}
function signUrl($myUrlToSign, $privateKey)
{
// parse the url
$url = parse_url($myUrlToSign);
$urlPartToSign = $url['path'] . "?" . $url['query'];
// Decode the private key into its binary format
$decodedKey = decodeBase64UrlSafe($privateKey);
// Create a signature using the private key and the URL-encoded
// string using HMAC SHA1. This signature will be binary.
$signature = hash_hmac("sha1", $urlPartToSign, $decodedKey, true);
$encodedSignature = encodeBase64UrlSafe($signature);
return $myUrlToSign . "&signature=" . $encodedSignature;
}
$http_host = implode('/', array_slice($arr1, 0, 3));
header('Content-Type: text/plain; charset=utf-8');
header('Access-Control-Allow-Origin: ' . $http_host);
header('Access-Control-Allow-Credentials: true');
// Encode a string to URL-safe base64
function encodeBase64UrlSafe($value)
{
return str_replace(array('+', '/'), array('-', '_'), base64_encode($value));
}
// Decode a string from URL-safe base64
function decodeBase64UrlSafe($value)
{
return base64_decode(str_replace(array('-', '_'), array('+', '/'), $value));
}
// Sign a URL with a given crypto key
// Note that this URL must be properly URL-encoded
function signUrl($myUrlToSign, $privateKey)
{
// parse the url
$url = parse_url($myUrlToSign);
$urlPartToSign = $url['path'] . "?" . $url['query'];
// Decode the private key into its binary format
$decodedKey = decodeBase64UrlSafe($privateKey);
// Create a signature using the private key and the URL-encoded
// string using HMAC SHA1. This signature will be binary.
$signature = hash_hmac("sha1", $urlPartToSign, $decodedKey, true);
$encodedSignature = encodeBase64UrlSafe($signature);
return $myUrlToSign . "&signature=" . $encodedSignature;
}
print signUrl($uri, $crypto);