dropbox.php

См. документацию.

<?php
IncludeModuleLangFile(__FILE__);
 
class CSocServDropboxAuth extends CSocServAuth
{
    const ID = "Dropbox";
    const CONTROLLER_URL = "https://www.bitrix24.ru/controller";
    const LOGIN_PREFIX = "DB_";

    protected $entityOAuth = null;

    public function getEntityOAuth($code = false)
    {
        if(!$this->entityOAuth)
        {
            $this->entityOAuth = new CDropboxOAuthInterface();
        }
 
        if($code !== false)
        {
            $this->entityOAuth->setCode($code);
        }
 
        return $this->entityOAuth;
    }
 
    public function GetSettings()
    {
        return array(
            array("dropbox_appid", GetMessage("socserv_dropbox_client_id"), "", array("text", 40)),
            array("dropbox_appsecret", GetMessage("socserv_dropbox_client_secret"), "", array("text", 40)),
            array("note"=>GetMessage("socserv_dropbox_note", array('#URL#'=>CDropboxOAuthInterface::GetRedirectURI()))),
        );
    }
 
    public function GetFormHtml($arParams)
    {
        $url = static::getUrl('opener', null, $arParams);
 
        $phrase = ($arParams["FOR_INTRANET"]) ? GetMessage("socserv_dropbox_form_note_intranet") : GetMessage("socserv_dropbox_form_note");
 
        if($arParams["FOR_INTRANET"])
        {
            return array("ON_CLICK" => 'onclick="BX.util.popup(\''.htmlspecialcharsbx(CUtil::JSEscape($url)).'\', 680, 600)"');
        }
        else
        {
            return '<a href="javascript:void(0)" onclick="BX.util.popup(\''.htmlspecialcharsbx(CUtil::JSEscape($url)).'\', 680, 600)" class="bx-ss-button dropbox-button"></a><span class="bx-spacer"></span><span>'.$phrase.'</span>';
        }
    }
 
    public function GetOnClickJs($arParams)
    {
        $url = static::getUrl('opener', null, $arParams);
        return "BX.util.popup('".CUtil::JSEscape($url)."', 680, 600)";
    }
 
 
    public function getUrl($location = 'opener', $addScope = null, $arParams = array())
    {
        global $APPLICATION;
 
        $this->entityOAuth = $this->getEntityOAuth();
        if(IsModuleInstalled('bitrix24') && defined('BX24_HOST_NAME'))
        {
            $redirect_uri = static::CONTROLLER_URL."/redirect.php";
            $state = CDropboxOAuthInterface::GetRedirectURI()."?check_key=".\CSocServAuthManager::getUniqueKey()."&state=";
            $backurl = $APPLICATION->GetCurPageParam('', array("logout", "auth_service_error", "auth_service_id", "backurl"));
 
            $stateIntoState = 'mode=' . $location;
            if (isset($arParams['BACKURL']))
            {
                $stateIntoState .= '&redirect_url=' . urlencode($arParams['BACKURL']);
            }
            else
            {
                $stateIntoState .= "&backurl=" . urlencode($backurl);
            }
            $state .= urlencode("state=" . urlencode($stateIntoState));
        }
        else
        {
            $state = 'site_id='.SITE_ID.'&backurl='.urlencode($APPLICATION->GetCurPageParam('check_key='.\CSocServAuthManager::getUniqueKey(), array("logout", "auth_service_error", "auth_service_id", "backurl"))).'&mode='.$location.(isset($arParams['BACKURL']) ? '&redirect_url='.urlencode($arParams['BACKURL']) : '');
            $redirect_uri = CDropboxOAuthInterface::GetRedirectURI();
        }
 
        return $this->entityOAuth->GetAuthUrl($redirect_uri, $state);
    }
 
    public function getStorageToken()
    {
        $accessToken = null;
        $userId = intval($this->userId);
        if($userId > 0)
        {
            $dbSocservUser = \Bitrix\Socialservices\UserTable::getList([
                'filter' => ['=USER_ID' => $userId, "=EXTERNAL_AUTH_ID" => static::ID],
                'select' => ["OATOKEN", "REFRESH_TOKEN", "OATOKEN_EXPIRES"]
            ]);
            if($arOauth = $dbSocservUser->fetch())
            {
                $accessToken = $arOauth["OATOKEN"];
            }
        }
 
        return $accessToken;
    }
 
    public function prepareUser($arDropboxUser, $short = false)
    {
        $first_name = "";
        $last_name = "";
        if(is_array($arDropboxUser['name']))
        {
            $first_name = $arDropboxUser['name']['given_name'];
            $last_name = $arDropboxUser['name']['surname'];
        }
 
        $id = $arDropboxUser['uid'];
 
        $arFields = array(
            'EXTERNAL_AUTH_ID' => static::ID,
            'XML_ID' => $id,
            'LOGIN' => static::LOGIN_PREFIX.$id,
            'NAME'=> $first_name,
            'LAST_NAME'=> $last_name,
            'EMAIL' => $arDropboxUser["email"],
            'OATOKEN' => $this->entityOAuth->getToken(),
            'OATOKEN_EXPIRES' => $this->entityOAuth->getAccessTokenExpires(),
        );
 
        if(SITE_ID <> '')
        {
            $arFields["SITE_ID"] = SITE_ID;
        }
 
        return $arFields;
    }
 
    public function Authorize()
    {
        global $APPLICATION;
        $APPLICATION->RestartBuffer();
 
        $bSuccess = false;
        $bProcessState = false;
        $authError = SOCSERV_AUTHORISATION_ERROR;
 
        if(
            isset($_REQUEST["code"]) && $_REQUEST["code"] <> '' && CSocServAuthManager::CheckUniqueKey()
        )
        {
            $bProcessState = true;
 
            $this->entityOAuth = $this->getEntityOAuth($_REQUEST['code']);
 
            if(IsModuleInstalled('bitrix24') && defined('BX24_HOST_NAME'))
            {
                $redirect_uri = static::CONTROLLER_URL."/redirect.php";
            }
            else
            {
                $redirect_uri = $this->getEntityOAuth()->GetRedirectURI();
            }
 
            if($this->entityOAuth->GetAccessToken($redirect_uri) !== false)
            {
                $arDropboxUser = $this->entityOAuth->GetCurrentUser();
                if(is_array($arDropboxUser))
                {
                    $arFields = self::prepareUser($arDropboxUser);
                    $authError = $this->AuthorizeUser($arFields);
                    $bSuccess = $authError === true;
                }
            }
        }
 
        $url = ($APPLICATION->GetCurDir() == "/login/") ? "" : $APPLICATION->GetCurDir();
        $aRemove = array("logout", "auth_service_error", "auth_service_id", "code", "error_reason", "error", "error_description", "check_key", "current_fieldset");
 
        if(!$bProcessState)
        {
            unset($_REQUEST["state"]);
        }
 
        $mode = 'opener';
        $addParams = true;
        if(isset($_REQUEST["state"]))
        {
            $arState = array();
            parse_str($_REQUEST["state"], $arState);
 
            if(isset($arState['backurl']) || isset($arState['redirect_url']))
            {
                $url = !empty($arState['redirect_url']) ? $arState['redirect_url'] : $arState['backurl'];
                if(mb_substr($url, 0, 1) !== "#")
                {
                    $parseUrl = parse_url($url);
 
                    $urlPath = $parseUrl["path"];
                    $arUrlQuery = explode('&', $parseUrl["query"]);
 
                    foreach($arUrlQuery as $key => $value)
                    {
                        foreach($aRemove as $param)
                        {
                            if(mb_strpos($value, $param."=") === 0)
                            {
                                unset($arUrlQuery[$key]);
                                break;
                            }
                        }
                    }
 
                    $url = (!empty($arUrlQuery)) ? $urlPath.'?'.implode("&", $arUrlQuery) : $urlPath;
                }
                else
                {
                    $addParams = false;
                }
            }
 
            if(isset($arState['mode']))
            {
                $mode = $arState['mode'];
            }
        }
 
        if($authError === SOCSERV_REGISTRATION_DENY)
        {
            $url = (preg_match("/\?/", $url)) ? $url.'&' : $url.'?';
            $url .= 'auth_service_id='.static::ID.'&auth_service_error='.SOCSERV_REGISTRATION_DENY;
        }
        elseif($bSuccess !== true)
        {
            $url = (isset($urlPath)) ? $urlPath.'?auth_service_id='.static::ID.'&auth_service_error='.$authError : $APPLICATION->GetCurPageParam(('auth_service_id='.static::ID.'&auth_service_error='.$authError), $aRemove);
        }
 
        if($addParams && CModule::IncludeModule("socialnetwork") && mb_strpos($url, "current_fieldset=") === false)
        {
            $url = (preg_match("/\?/", $url)) ? $url."&current_fieldset=SOCSERV" : $url."?current_fieldset=SOCSERV";
        }
 
        $url = CUtil::JSEscape($url);
 
        if($addParams)
        {
            $location = ($mode == "opener") ? 'if(window.opener) window.opener.location = \''.$url.'\'; window.close();' : ' window.location = \''.$url.'\';';
        }
        else
        {
            //fix for chrome
            $location = ($mode == "opener") ? 'if(window.opener) window.opener.location = window.opener.location.href + \''.$url.'\'; window.close();' : ' window.location = window.location.href + \''.$url.'\';';
        }
 
        $JSScript = '
        <script>
        '.$location.'
        </script>
        ';
 
        echo $JSScript;
 
        CMain::FinalActions();
    }
}
 
class CDropboxOAuthInterface extends CSocServOAuthTransport
{
    const SERVICE_ID = "Dropbox";
 
    const AUTH_URL = "https://www.dropbox.com/oauth2/authorize";
    const TOKEN_URL = "https://www.dropbox.com/oauth2/token";
 
    const ACCOUNT_URL = "https://api.dropboxapi.com/2/users/get_current_account";
 
    protected $oauthResult;
 
    public function __construct($appID = false, $appSecret = false, $code = false)
    {
        if($appID === false)
        {
            $appID = trim(CSocServDropboxAuth::GetOption("dropbox_appid"));
        }
 
        if($appSecret === false)
        {
            $appSecret = trim(CSocServDropboxAuth::GetOption("dropbox_appsecret"));
        }
 
        parent::__construct($appID, $appSecret, $code);
    }
 
    public static function GetRedirectURI()
    {
        return \CHTTP::URN2URI("/bitrix/tools/oauth/dropbox.php");
    }
 
    public function GetAuthUrl($redirect_uri, $state = '')
    {
        return static::AUTH_URL.
        "?client_id=".urlencode($this->appID).
        "&redirect_uri=".urlencode($redirect_uri).
        "&response_type=code".
        ($state <> '' ? '&state='.urlencode($state) : '');
    }
 
    public function GetAccessToken($redirect_uri)
    {
        $tokens = $this->getStorageTokens();
 
        if(is_array($tokens))
        {
            $this->access_token = $tokens["OATOKEN"];
 
            if(!$this->code)
            {
                return true;
            }
 
            $this->deleteStorageTokens();
        }
 
        if($this->code === false)
        {
            return false;
        }
 
        $h = new \Bitrix\Main\Web\HttpClient();
        $result = $h->post(static::TOKEN_URL, array(
            "code"=>$this->code,
            "client_id"=>$this->appID,
            "client_secret"=>$this->appSecret,
            "redirect_uri"=>$redirect_uri,
            "grant_type"=>"authorization_code",
        ));
 
        $this->oauthResult = \Bitrix\Main\Web\Json::decode($result);
 
        if(isset($this->oauthResult["access_token"]) && $this->oauthResult["access_token"] <> '')
        {
            if(isset($this->oauthResult["refresh_token"]) && $this->oauthResult["refresh_token"] <> '')
            {
                $this->refresh_token = $this->oauthResult["refresh_token"];
            }
            $this->access_token = $this->oauthResult["access_token"];
 
            $_SESSION["OAUTH_DATA"] = array(
                "OATOKEN" => $this->access_token,
            );
 
            return true;
        }
        return false;
    }
 
    public function GetCurrentUser()
    {
        if($this->access_token === false)
            return false;
 
        $h = new \Bitrix\Main\Web\HttpClient();
        $h->setHeader("Authorization", "Bearer ".$this->access_token);
        $h->setHeader("Content-Type", ""); // !!! Dropbox doest not accept empty POST requests with application/json or application/x-www-form-urlencoded types
 
        $result = $h->post(static::ACCOUNT_URL);
 
        $result = \Bitrix\Main\Web\Json::decode($result);
 
        if(is_array($result))
        {
            $result["uid"] = $this->oauthResult['uid'];
            $result["access_token"] = $this->access_token;
        }
 
        return $result;
    }
}