-
-
Save joglomedia/e86b461ebf6980c23cb1 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
date_default_timezone_set('UTC'); | |
// Create keys at hhttps://portal.aws.amazon.com/gp/aws/securityCredentials | |
class AmazonClient { | |
/** @var cURL */ | |
public $curl; | |
public $debug = false; | |
private $version; | |
private $host; | |
private $path = '/onca/xml'; // turn into a host-keyed array if needed | |
private $config = array(); | |
// constructor | |
public function __construct($host = 'webservices.amazon.com', $version = '2011-08-01') { | |
$this->host = $host; | |
$this->version = $version; | |
$this->configure(); | |
$this->curl = curl_init(); | |
curl_setopt($this->curl, CURLOPT_RETURNTRANSFER, true); | |
curl_setopt($this->curl, CURLOPT_ENCODING, 'gzip'); | |
//curl_setopt($this->curl, CURLOPT_VERBOSE, true); | |
} | |
// GET request | |
public function get($params = array()) { | |
$params['AWSAccessKeyId'] = $this->config['access_key']; | |
$params['AssociateTag'] = $this->config['associate_tag'][$this->host]; | |
$params['Version'] = $this->version; | |
$params['Timestamp'] = date('c'); | |
$params['Service'] = 'AWSECommerceService'; | |
$params['Signature'] = $this->sign('GET', $params); | |
$url = 'http://' . $this->host . $this->path . '?' . $this->build_query($params); | |
if ($this->debug) { | |
print "$url\n"; | |
} | |
curl_setopt($this->curl, CURLOPT_URL, $url); | |
return $this->exec(); | |
} | |
// read configuration from ~/.config/amazon.ini | |
protected function configure() { | |
$configFile = getenv('HOME') . '/.config/amazon.ini'; | |
if (!file_exists($configFile)) { | |
exit(sprintf("Config file %s does not exist\n", $configFile)); | |
} | |
$this->config = parse_ini_file($configFile); | |
foreach (array('access_key', 'access_secret') as $field) { | |
if (!isset($this->config[$field])) { | |
printf("Add %s to %s\n", $field, $configFile); | |
exit(); | |
} | |
} | |
foreach (array('associate_tag') as $field) { | |
if (!isset($this->config[$field][$this->host])) { | |
printf("Add %s[%s] to %s\n", $field, $this->host, $configFile); | |
exit(); | |
} | |
} | |
} | |
// send the request and parse the response | |
protected function exec() { | |
$result = curl_exec($this->curl); | |
$code = curl_getinfo($this->curl, CURLINFO_HTTP_CODE); | |
switch ($code) { | |
case 200: | |
$dom = new DOMDocument; | |
$dom->preserveWhiteSpace = false; | |
$dom->loadXML($result); | |
if ($this->debug) { | |
$dom->formatOutput = true; | |
print $dom->saveXML(); | |
} | |
$xpath = new DOMXPath($dom); | |
$xpath->registerNamespace('a', 'http://webservices.amazon.com/AWSECommerceService/' . $this->version); | |
return $xpath; | |
default: | |
print "Error $code\n"; | |
print $result; | |
return null; | |
} | |
} | |
// build the request signature | |
protected function sign($verb = 'GET', $params = array()) { | |
ksort($params); | |
$request = implode("\n", array($verb, $this->host, $this->path, $this->build_query($params))); | |
$signature = hash_hmac('sha256', $request, $this->config['access_secret'], true); | |
return base64_encode($signature); | |
} | |
// build the query string, using '%20' for spaces | |
protected function build_query($params = array()) { | |
return http_build_query($params, null, '&', PHP_QUERY_RFC3986); | |
} | |
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
require __DIR__ . '/AmazonClient.php'; | |
$client = new AmazonClient; | |
$params = array( | |
'Operation' => 'BrowseNodeLookup', | |
'BrowseNodeId' => '154606011', // Kindle eBooks | |
'ResponseGroup' => 'TopSellers,MostGifted,NewReleases', | |
); | |
$xpath = $client->get($params); | |
$sets = array(); | |
foreach ($xpath->query('a:BrowseNodes/a:BrowseNode/a:TopItemSet') as $topItemSet) { | |
$items = array(); | |
foreach ($xpath->query('a:TopItem', $topItemSet) as $topItem) { | |
$items[] = array( | |
'url' => $xpath->evaluate('string(a:DetailPageURL)', $topItem), | |
'title' => $xpath->evaluate('string(a:Title)', $topItem), | |
'author' => $xpath->evaluate('string(a:Author)', $topItem), | |
); | |
} | |
$sets[] = array( | |
'type' => $xpath->evaluate('string(a:Type)', $topItemSet), | |
'items' => $items, | |
); | |
} | |
//print_r($sets); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
require __DIR__ . '/AmazonClient.php'; | |
$client = new AmazonClient; | |
$params = array( | |
'Operation' => 'ItemSearch', | |
'BrowseNode' => '154606011', // Kindle eBooks | |
'ResponseGroup' => 'ItemAttributes,Reviews,Similarities,EditorialReview,Images', | |
'SearchIndex' => 'Books', // KindleStore | |
'Sort' => 'reviewrank', | |
//'Keywords' => $_GET['keywords'], | |
); | |
$items = array(); | |
foreach (range(1, 10) as $page) { | |
$params['ItemPage'] = $page; | |
$xpath = $client->get($params); | |
foreach ($xpath->query('a:Items/a:Item') as $item) { | |
$itemAttributes = $xpath->query('a:ItemAttributes', $item)->item(0); | |
$pages = $xpath->evaluate('number(a:NumberOfPages)', $itemAttributes); | |
$items[] = array( | |
'url' => $xpath->evaluate('string(a:DetailPageURL)', $item), | |
'image' => $xpath->evaluate('string(a:LargeImage/a:URL)', $item), | |
'reviews' => $xpath->evaluate('string(a:CustomerReviews/a:IFrameURL)', $item), | |
'title' => $xpath->evaluate('string(a:Title)', $itemAttributes), | |
'author' => $xpath->evaluate('string(a:Author)', $itemAttributes), | |
'pages' => is_nan($pages) ? null : $pages, | |
); | |
} | |
} | |
//print_r($items); |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment