kUtRL/inc/services/class.trim.service.php

<?php
/**
 * @brief kUtRL, a plugin for Dotclear 2
 * 
 * @package Dotclear
 * @subpackage Plugin
 * 
 * @author Jean-Christian Denis and contributors
 * 
 * @copyright Jean-Christian Denis
 * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
 */

if (!defined('DC_RC_PATH')){return;}

class trimKutrlService extends kutrlService
{
    protected $config = array(
        'id' => 'trim',
        'name' => 'tr.im',
        'home' => 'http://tr.im',

        'url_api' => 'http://api.tr.im/v1/',
        'url_base' => 'http://tr.im/',
        'url_min_len' => 25
    );

    private $args = array(
        'username' => '',
        'password' => ''
    );

    private $api_rate_time = 0;

    protected function init()
    {
        $this->args['username'] = $this->settings->kutrl_srv_trim_username;
        $this->args['password'] = $this->settings->kutrl_srv_trim_password;

        $this->api_rate_time = (integer) $this->settings->kutrl_srv_trim_apiratetime;
    }

    public function saveSettings()
    {
        $this->settings->put('kutrl_srv_trim_username',$_POST['kutrl_srv_trim_username']);
        $this->settings->put('kutrl_srv_trim_password',$_POST['kutrl_srv_trim_password']);
    }

    public function settingsForm()
    {
        echo 
        '<p><label class="classic">'.__('Login:').'<br />'.
        form::field(array('kutrl_srv_trim_username'),50,255,$this->settings->kutrl_srv_trim_username).
        '</label></p>'.
        '<p class="form-note">'.
        __('This is your login to sign up to tr.im.').
        '</p>'.
        '<p><label class="classic">'.__('Password:').'<br />'.
        form::field(array('kutrl_srv_trim_password'),50,255,$this->settings->kutrl_srv_trim_password).
        '</label></p>'.
        '<p class="form-note">'.
        __('This is your password to sign up to tr.im.').
        '</p>';
    }

    public function testService()
    {
        if (empty($this->args['username']) || empty($this->args['password']))
        {
            $this->error->add(__('Service is not well configured.'));
            return false;
        }
        if (time() < $this->api_rate_time + 300) // bloc service within 5min on API rate limit
        {
            $this->error->add(__('Prevent service rate limit.'));
            return false; 
        }
        if (!($rsp = self::post($this->url_api.'verify.xml',$this->args,true,true)))
        {
            $this->error->add(__('Service is unavailable.'));
            return false;
        }
        $r = simplexml_load_string($rsp);

        if ($r['code'] == 200)
        {
            return true;
        }
        $this->error->add(__('Authentication to service failed.'));
        return false;
    }

    public function createHash($url,$hash=null)
    {
        $arg = $this->args;
        $arg['url'] = $url;

        if (!($rsp = self::post($this->url_api.'trim_url.xml',$arg,true,true)))
        {
            $this->error->add(__('Service is unavailable.'));
            return false;
        }

        $r = simplexml_load_string($rsp);

        # API rate limit
        if ($r['code'] == 425)
        {
            $this->settings->put('kutrl_srv_trim_apiratetime',time());

            $this->error->add(__('Service rate limit exceeded.'));
            return false;
        }
        if (isset($r->trimpath))
        {
            $rs = new ArrayObject();
            $rs->hash = $r->trimpath;
            $rs->url = $url;
            $rs->type = $this->id;

            return $rs;
        }
        $this->error->add(__('Unreadable service response.'));
        return false;
    }
}