mirror of
https://github.com/Yetangitu/ampache
synced 2025-10-05 02:39:47 +02:00
4aa256cb07
Remove misleading, unvetted, or in some cases just plain wrong data. Packages and categories weren't being used correctly. They still aren't.
293 lines
8.3 KiB
PHP
293 lines
8.3 KiB
PHP
<?php
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/* vim:set tabstop=8 softtabstop=8 shiftwidth=8 noexpandtab: */
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/**
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* AmazonSearch Class
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*
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* This class takes a token (amazon ID)
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* and then allows you to do a search using the REST
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* method. Currently it is semi-hardcoded to do music
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* searches and only return information abou the album
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* art
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*
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*
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* LICENSE: GNU General Public License, version 2 (GPLv2)
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* Copyright (c) 2001 - 2006 Ampache.org All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* @category AmazonSearch
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* @package Ampache
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* @copyright 2001 - 2011 Ampache.org
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* @license http://opensource.org/licenses/gpl-2.0 GPLv2
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* @link http://www.ampache.org/
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*/
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/**
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* AmazonSearch Class
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*
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* This class takes a token (amazon ID)
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* and then allows you to do a search using the REST
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* method. Currently it is semi-hardcoded to do music
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* searches and only return information abou the album
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* art
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*
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* @category AmazonSearch
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* @package Ampache
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* @copyright 2001 - 2011 Ampache.org
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* @license http://opensource.org/licenses/gpl-2.0 GPLv2
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* @link http://www.ampache.org/
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*/
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class AmazonSearch {
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var $base_url_default = "webservices.amazon.com";
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var $url_suffix = "/onca/xml";
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var $base_url;
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var $search;
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var $public_key;
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var $private_key;
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var $results=array(); // Array of results
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var $_parser; // The XML parser
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var $_grabtags; // Tags to grab the contents of
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var $_sourceTag; // source tag don't ask
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var $_subTag; // Stupid hack to make things come our right
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var $_currentTag; // Stupid hack to make things come out right
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var $_currentTagContents;
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var $_currentPage=0;
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var $_maxPage=1;
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var $_default_results_pages=1;
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var $_proxy_host=""; // Proxy host
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var $_proxy_port=""; // Proxy port
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var $_proxy_user=""; // Proxy user
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var $_proxy_pass=""; // Proxy pass
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function AmazonSearch($public_key, $private_key, $base_url_param = '') {
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/* If we have a base url then use it */
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if ($base_url_param != '') {
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$this->base_url = str_replace('http://', '', $base_url_param);
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debug_event('amazon-search-results','Retrieving from ' . $base_url_param . $this->url_suffix,'5');
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}
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/* Default Operation */
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else {
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$this->base_url=$this->base_url_default;
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debug_event('amazon-search-results','Retrieving from DEFAULT','5');
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}
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$this->public_key = $public_key;
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$this->private_key = $private_key;
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$this->_grabtags = array(
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'ASIN', 'ProductName', 'Catalog', 'ErrorMsg',
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'Description', 'ReleaseDate', 'Manufacturer', 'ImageUrlSmall',
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'ImageUrlMedium', 'ImageUrlLarge', 'Author', 'Artist','Title','URL',
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'SmallImage','MediumImage','LargeImage');
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} // AmazonSearch
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/**
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* setProxy
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* Set the class up to search through an http proxy.
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* The parameters are the proxy's hostname or IP address (a string)
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* port, username, and password. These are passed directly to the
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* Snoopy class when the search is done.
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*/
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function setProxy($host='', $port='', $user='', $pass='') {
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if($host) $this->_proxy_host = $host;
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if($port) $this->_proxy_port = $port;
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if($user) $this->_proxy_user = $user;
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if($pass) $this->_proxy_pass = $pass;
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}
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/*!
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@create_parser
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@discussion this sets up an XML Parser
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*/
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function create_parser() {
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$this->_parser = xml_parser_create();
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xml_parser_set_option($this->_parser, XML_OPTION_CASE_FOLDING, false);
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xml_set_object($this->_parser, $this);
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xml_set_element_handler($this->_parser, 'start_element', 'end_element');
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xml_set_character_data_handler($this->_parser, 'cdata');
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} // create_parser
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/*!
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@function search
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@discussion do a full search on the url they pass
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*/
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function run_search($url) {
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/* Create the Parser */
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$this->create_parser();
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$snoopy = new Snoopy;
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if($this->_proxy_host)
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$snoopy->proxy_host = $this->_proxy_host;
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if($this->_proxy_port)
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$snoopy->proxy_port = $this->_proxy_port;
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if($this->_proxy_user)
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$snoopy->proxy_user = $this->_proxy_user;
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if($this->_proxy_pass)
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$snoopy->proxy_pass = $this->_proxy_pass;
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$snoopy->fetch($url);
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$contents = $snoopy->results;
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if (!xml_parse($this->_parser, $contents)) {
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debug_event('amazon-search-results','Error:' . sprintf('XML error: %s at line %d',xml_error_string(xml_get_error_code($this->_parser)),xml_get_current_line_number($this->_parser)),'1');
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}
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xml_parser_free($this->_parser);
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} // run_search
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/*!
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@function search
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@discussion takes terms and a type
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*/
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function search($terms, $type='Music') {
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$params = array();
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$params['Service'] = 'AWSECommerceService';
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$params['AWSAccessKeyId'] = $this->public_key;
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$params['Timestamp'] = gmdate("Y-m-d\TH:i:s\Z");
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$params['Version'] = '2009-03-31';
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$params['Operation'] = 'ItemSearch';
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$params['Artist'] = $terms['artist'];
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$params['Title'] = $terms['album'];
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$params['Keywords'] = $terms['keywords'];
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$params['SearchIndex'] = $type;
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ksort($params);
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$canonicalized_query = array();
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foreach ($params as $param => $value)
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{
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$param = str_replace("%7E", "~", rawurlencode($param));
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$value = str_replace("%7E", "~", rawurlencode($value));
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$canonicalized_query[] = $param."=".$value;
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}
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$canonicalized_query = implode('&', $canonicalized_query);
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$string_to_sign = 'GET' . "\n" . $this->base_url . "\n" . $this->url_suffix . "\n" . $canonicalized_query;
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$signature = base64_encode(hash_hmac("sha256", $string_to_sign, $this->private_key, True));
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$signature = str_replace("%7E", "~", rawurlencode($signature));
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$url = 'http://' . $this->base_url . $this->url_suffix . '?' . $canonicalized_query . '&Signature=' . $signature;
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$this->run_search($url);
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unset($this->results['ASIN']);
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return $this->results;
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} // search
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/*!
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@function lookup
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@discussion this takes a ASIN and looks up the
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item in question, possible to pass array
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of asin's
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*/
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function lookup($asin, $type='Music') {
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if (is_array($asin)) {
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foreach ($asin as $key=>$value) {
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$url = $this->base_url . "Service=AWSECommerceService&SubscriptionId=" . $this->token .
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"&Operation=ItemLookup&ItemId=" . $key . "&ResponseGroup=Images";
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$this->run_search($url);
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}
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} // if array of asin's
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else {
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$url = $this->base_url . "Service=AWSECommerceService&SubscriptionId=" . $this->token .
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"&Operation=ItemLookup&ItemId=" . $asin . "&ResponseGroup=Images";
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$this->run_search($url);
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} // else
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unset($this->results['ASIN']);
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return $this->results;
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} // lookup
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function start_element($parser, $tag, $attributes) {
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if ($tag == "ASIN") {
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$this->_sourceTag = $tag;
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}
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if ($tag == "SmallImage" || $tag == "MediumImage" || $tag == "LargeImage") {
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$this->_subTag = $tag;
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}
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/* If it's in the tag list, don't grab our search results though */
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if (strlen($this->_sourceTag)) {
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$this->_currentTag = $tag;
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}
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else {
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if($tag != "TotalPages"){
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$this->_currentTag = '';
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}else{
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$this->_currentTag = $tag;
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}
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}
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} // start_element
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function cdata($parser, $cdata) {
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$tag = $this->_currentTag;
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$subtag = $this->_subTag;
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$source = $this->_sourceTag;
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switch ($tag) {
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case 'URL':
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$this->results[$source][$subtag] = trim($cdata);
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break;
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case 'ASIN':
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$this->_sourceTag = trim($cdata);
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break;
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case 'TotalPages':
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debug_event('amazon-search-results',"TotalPages= ". trim($cdata),'5');
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$this->_maxPage = trim($cdata);
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break;
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default:
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if (strlen($tag)) {
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$this->results[$source][$tag] = trim($cdata);
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}
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break;
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} // end switch
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} // cdata
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function end_element($parser, $tag) {
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/* Zero the tag */
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$this->_currentTag = '';
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} // end_element
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} // end AmazonSearch
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?>
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