Diffs

Auth_Hatena/tags/release-1.0.0-20091010015204/Auth/Hatena.php

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+<?php
+/**
+ * Hatena Authentication API
+ * see: http://auth.hatena.ne.jp/
+ *
+ * Yuichi Tateno <secondlife@no.spam@hatena.ne.jp>
+ * TSURUOKA Naoya <tsuruoka@labs.cybozu.co.jp>
+ *
+ * distributed under the MIT licence.
+ *
+ * example of use:
+ * <code>
+ * $hatena_auth = new Hatena_API_Auth('your api key', 'secret key');
+ * $hatena_auth->uri_to_login();
+ * // http://auth.hatena.ne.jp/auth?api_key=eab1f476f8f053ae4af086068017abe8&api_sig=9b192e80287aa75e4739105cfe7a9c45
+ * $user = $hatena_auth->login($_GET['cert']);
+ * </code>
+ *
+ */
+class Auth_Hatena
+{
+    var $VERSION = '1.0.0';
+    var $api_key;
+    var $secret;
+    var $json;
+
+    /**
+     * json_parser
+     * @var string (json | jsphon | services_json)
+     */
+    var $json_parser = 'jsphon';
+
+    var $base_uri = 'http://auth.hatena.ne.jp';
+    var $auth_path = '/auth';
+    var $json_path = '/api/auth.json';
+
+    function Auth_Hatena($api_key, $secret)
+    {
+        $this->api_key = $api_key;
+        $this->secret = $secret;
+    }
+
+    function uri_to_login() {
+        $uri = $this->base_uri . $this->auth_path;
+        return $uri . $this->_get_query_string( array(
+            'api_key' => $this->api_key,
+        ));
+    }
+
+    function login($cert) {
+        $uri = $this->base_uri . $this->json_path;
+        $uri .= $this->_get_query_string( array(
+            'api_key' => $this->api_key,
+            'cert' => $cert,
+        ));
+        $handle = fopen($uri, 'rb');
+        $contents = '';
+        while (!feof($handle)) { $contents .= fread($handle, 8192); }
+        fclose($handle);
+
+        $json = $this->_to_json($contents);
+
+        if ($json['has_error'] === true) {
+            return false;
+        } else {
+            return $json['user'];
+        }
+    }
+
+    function _get_query_string($request) {
+        $query = array_merge(
+            $request,
+            array(
+                'api_sig' => $this->api_sig($request)
+            )
+        );
+        return $this->_querynize($query);
+    }
+
+    function _to_json($contents) {
+
+        switch(strtolower($this->json_parser)) {
+        case 'json' :
+            $result = $this->convertObject2Array(json_decode($contents));
+            break;
+        case 'jsphon' :
+            require_once 'Jsphon/Decoder.php';
+            $this->json = new Jsphon_Decoder();
+            $result = $this->json->decode($contents);
+            break;
+        case 'services_json' :
+            require_once('JSON.php');
+            $this->json = new Services_JSON();
+            $result = $this->convertObject2Array($this->json->decode($contents));
+            break;
+        }
+
+        return $result;
+
+    }
+
+    function convertObject2Array($array)
+    {
+        if (!is_object($array) && !is_array($array)) {
+            return false;
+        }
+
+        if (is_object($array)) {
+            $array = get_object_vars($array);
+        }
+
+        foreach ($array as $key => $value) {
+            if (is_object($value)) {
+                $array[$key] = get_object_vars($value);
+                $this->convertObject2Array($array);
+            }
+        }
+
+        return $array;
+    }
+
+    function api_sig($args) {
+        $sig = $this->secret;
+        $keys = array_keys($args);
+        sort($keys);
+        foreach($keys as $key) {
+            $sig .= $key . $args[$key];
+        }
+        return md5($sig);
+    }
+
+    function _querynize($query) {
+        $ary = array();
+        foreach($query as $key => $value) {
+            $ary[] = "${key}=${value}";
+        }
+        return '?' . join('&', $ary);
+    }
+
+    function getVersion()
+    {
+        return $this->VERSION;
+    }
+}
+?>