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<?php
/*
* FedoraClient is a PHP classe to interact with web services
*
* Copyright (C) 2010 Remi Collet
* http://github.com/remicollet/rpmphp.
*
* Inspired from python-fedora
*
* FedoraClient is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* python-fedora is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* See <http://www.gnu.org/licenses/>
*
*/
define ('FEDORACLIENT_VERSION','0.1');
if (!function_exists('curl_version')) {
die("curl extention required\n");
}
abstract class FedoraClient {
private $url;
private $agent;
protected $debug = 0;
function __construct ($url, array $options) {
$this->url = $url;
if (isset($options['agent']) && !empty($options['agent'])) {
$this->agent = $options['agent'];
} else {
$this->agent = 'PHP FedoraClient/'.FEDORACLIENT_VERSION;
}
if (isset($options['debug']) && intval($options['debug'])>0) {
$this->debug = intval($options['debug']);
}
if ($this->debug >= 2) {
echo "[debug] ".__CLASS__."::".__FUNCTION__.": url='$url', agent='".$this->agent."'\n";
}
}
function sendRequest($method, array $options=array()) {
$curl = curl_init();
# And join to make our url.
$url = $this->url.urlencode($method);
curl_setopt($curl, CURLOPT_URL, $url);
# Boilerplate so pycurl processes cookies
curl_setopt($curl, CURLOPT_COOKIEFILE, '/dev/null');
# Associate with the response to accumulate data
$this->data='';
curl_setopt($curl, CURLOPT_WRITEFUNCTION, array($this, 'receive'));
# Follow redirect
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
curl_setopt($curl, CURLOPT_MAXREDIRS, 5);
# Set standard headers
curl_setopt($curl, CURLOPT_HTTPHEADER, array('User-agent: '.$this->agent, 'Accept: application/json'));
if ($this->debug >= 1) {
echo "[debug] ".__CLASS__."::".__FUNCTION__.": call '$url'\n";
}
# run the request
curl_exec($curl);
# Check for auth failures
# Note: old TG apps returned 403 Forbidden on authentication failures.
# Updated apps return 401 Unauthorized
# We need to accept both until all apps are updated to return 401.
$http_status = curl_getinfo($curl, CURLINFO_HTTP_CODE);
if ($http_status==401 || $http_status==403) {
if ($this->debug >= 1) {
echo "[debug] ".__CLASS__."::".__FUNCTION__.": http_status '$http_status' Authentication failed logging in\n";
}
return array();
} else if ($http_status>=400) {
if ($this->debug >= 1) {
echo "[debug] ".__CLASS__."::".__FUNCTION__.": http_status '$http_status' Unknown HTTP Server Response\n";
}
return array();
} else if ($this->debug >= 2) {
echo "[debug] ".__CLASS__."::".__FUNCTION__.": http_status '$http_status'\n";
}
if ($this->debug >= 1) {
echo "[debug] ".__CLASS__."::".__FUNCTION__.": close connexion\n";
}
curl_close($curl);
return json_decode($this->data, true);
}
function receive($curl, $data) {
if ($this->debug >= 9) {
echo "[debug] ".__CLASS__."::".__FUNCTION__.": $data\n";
}
$this->data .= $data;
return strlen($data);
}
}
class FedoraPkgdb extends FedoraClient {
private $branches = array();
function __construct (array $options=array()) {
parent::__construct('https://admin.fedoraproject.org/pkgdb/', $options);
if ($this->debug>=2) {
echo "[debug] ".__CLASS__."::".__FUNCTION__."\n";
}
}
function getBranches($refresh=false) {
if (count($this->branches) && !$refresh) {
return $this->branches;
}
$rep =$this->sendRequest('collections');
if (isset($rep['collections'])) {
$this->branches = array();
foreach ($rep['collections'] as $coll) if (isset($coll[0]['branchname'])) {
$this->branches[$coll[0]['branchname']] = $coll[0];
}
}
return $this->branches;
}
}
?>
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