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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;
+ }
+}
+?>