<?php
/*
* Copyright 2010 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* A class to contain the library configuration for the Google API client.
*/
class UDP_Google_Config
{
const GZIP_DISABLED = true;
const GZIP_ENABLED = false;
const GZIP_UPLOADS_ENABLED = true;
const GZIP_UPLOADS_DISABLED = false;
const USE_AUTO_IO_SELECTION = "auto";
const TASK_RETRY_NEVER = 0;
const TASK_RETRY_ONCE = 1;
const TASK_RETRY_ALWAYS = -1;
protected $configuration;
/**
* Create a new UDP_Google_Config. Can accept an ini file location with the
* local configuration. For example:
* application_name="My App"
*
* @param [$ini_file_location] - optional - The location of the ini file to load
*/
public function __construct($ini_file_location = null)
{
$this->configuration = array(
// The application_name is included in the User-Agent HTTP header.
'application_name' => '',
// Which Authentication, Storage and HTTP IO classes to use.
'auth_class' => 'Google_Auth_OAuth2',
'io_class' => self::USE_AUTO_IO_SELECTION,
'cache_class' => 'Google_Cache_File',
'logger_class' => 'Google_Logger_Null',
// Don't change these unless you're working against a special development
// or testing environment.
'base_path' => 'https://www.googleapis.com',
// Definition of class specific values, like file paths and so on.
'classes' => array(
'UDP_Google_IO_Abstract' => array(
'request_timeout_seconds' => 100,
),
'Google_Logger_Abstract' => array(
'level' => 'debug',
'log_format' => "[%datetime%] %level%: %message% %context%\n",
'date_format' => 'd/M/Y:H:i:s O',
'allow_newlines' => true
),
'Google_Logger_File' => array(
'file' => 'php://stdout',
'mode' => 0640,
'lock' => false,
),
'UDP_Google_Http_Request' => array(
// Disable the use of gzip on calls if set to true. Defaults to false.
'disable_gzip' => self::GZIP_ENABLED,
// We default gzip to disabled on uploads even if gzip is otherwise
// enabled, due to some issues seen with small packet sizes for uploads.
// Please test with this option before enabling gzip for uploads in
// a production environment.
'enable_gzip_for_uploads' => self::GZIP_UPLOADS_DISABLED,
),
// If you want to pass in OAuth 2.0 settings, they will need to be
// structured like this.
'Google_Auth_OAuth2' => array(
// Keys for OAuth 2.0 access, see the API console at
// https://developers.google.com/console
'client_id' => '',
'client_secret' => '',
'redirect_uri' => '',
// Simple API access key, also from the API console. Ensure you get
// a Server key, and not a Browser key.
'developer_key' => '',
// Other parameters.
'hd' => '',
'prompt' => '',
'openid.realm' => '',
'include_granted_scopes' => '',
'login_hint' => '',
'request_visible_actions' => '',
'access_type' => 'online',
'approval_prompt' => 'auto',
'federated_signon_certs_url' =>
'https://www.googleapis.com/oauth2/v1/certs',
),
'Google_Task_Runner' => array(
// Delays are specified in seconds
'initial_delay' => 1,
'max_delay' => 60,
// Base number for exponential backoff
'factor' => 2,
// A random number between -jitter and jitter will be added to the
// factor on each iteration to allow for better distribution of
// retries.
'jitter' => .5,
// Maximum number of retries allowed
'retries' => 0
),
'UDP_Google_Service_Exception' => array(
'retry_map' => array(
'500' => self::TASK_RETRY_ALWAYS,
'503' => self::TASK_RETRY_ALWAYS,
'rateLimitExceeded' => self::TASK_RETRY_ALWAYS,
'userRateLimitExceeded' => self::TASK_RETRY_ALWAYS
)
),
'UDP_Google_IO_Exception' => array(
'retry_map' => !extension_loaded('curl') ? array() : array(
CURLE_COULDNT_RESOLVE_HOST => self::TASK_RETRY_ALWAYS,
CURLE_COULDNT_CONNECT => self::TASK_RETRY_ALWAYS,
CURLE_OPERATION_TIMEOUTED => self::TASK_RETRY_ALWAYS,
CURLE_SSL_CONNECT_ERROR => self::TASK_RETRY_ALWAYS,
CURLE_GOT_NOTHING => self::TASK_RETRY_ALWAYS
)
),
// Set a default directory for the file cache.
'Google_Cache_File' => array(
'directory' => sys_get_temp_dir() . '/UDP_Google_Client'
)
),
);
if ($ini_file_location) {
$ini = parse_ini_file($ini_file_location, true);
if (is_array($ini) && count($ini)) {
$merged_configuration = $ini + $this->configuration;
if (isset($ini['classes']) && isset($this->configuration['classes'])) {
$merged_configuration['classes'] = $ini['classes'] + $this->configuration['classes'];
}
$this->configuration = $merged_configuration;
}
}
}
/**
* Set configuration specific to a given class.
* $config->setClassConfig('Google_Cache_File',
* array('directory' => '/tmp/cache'));
* @param $class string The class name for the configuration
* @param $config string key or an array of configuration values
* @param $value string optional - if $config is a key, the value
*/
public function setClassConfig($class, $config, $value = null)
{
if (!is_array($config)) {
if (!isset($this->configuration['classes'][$class])) {
$this->configuration['classes'][$class] = array();
}
$this->configuration['classes'][$class][$config] = $value;
} else {
$this->configuration['classes'][$class] = $config;
}
}
public function getClassConfig($class, $key = null)
{
if (!isset($this->configuration['classes'][$class])) {
return null;
}
if ($key === null) {
return $this->configuration['classes'][$class];
} else {
return $this->configuration['classes'][$class][$key];
}
}
/**
* Return the configured cache class.
* @return string
*/
public function getCacheClass()
{
return $this->configuration['cache_class'];
}
/**
* Return the configured logger class.
* @return string
*/
public function getLoggerClass()
{
return $this->configuration['logger_class'];
}
/**
* Return the configured Auth class.
* @return string
*/
public function getAuthClass()
{
return $this->configuration['auth_class'];
}
/**
* Set the auth class.
*
* @param $class string the class name to set
*/
public function setAuthClass($class)
{
$prev = $this->configuration['auth_class'];
if (!isset($this->configuration['classes'][$class]) &&
isset($this->configuration['classes'][$prev])) {
$this->configuration['classes'][$class] =
$this->configuration['classes'][$prev];
}
$this->configuration['auth_class'] = $class;
}
/**
* Set the IO class.
*
* @param $class string the class name to set
*/
public function setIoClass($class)
{
$prev = $this->configuration['io_class'];
if (!isset($this->configuration['classes'][$class]) &&
isset($this->configuration['classes'][$prev])) {
$this->configuration['classes'][$class] =
$this->configuration['classes'][$prev];
}
$this->configuration['io_class'] = $class;
}
/**
* Set the cache class.
*
* @param $class string the class name to set
*/
public function setCacheClass($class)
{
$prev = $this->configuration['cache_class'];
if (!isset($this->configuration['classes'][$class]) &&
isset($this->configuration['classes'][$prev])) {
$this->configuration['classes'][$class] =
$this->configuration['classes'][$prev];
}
$this->configuration['cache_class'] = $class;
}
/**
* Set the logger class.
*
* @param $class string the class name to set
*/
public function setLoggerClass($class)
{
$prev = $this->configuration['logger_class'];
if (!isset($this->configuration['classes'][$class]) &&
isset($this->configuration['classes'][$prev])) {
$this->configuration['classes'][$class] =
$this->configuration['classes'][$prev];
}
$this->configuration['logger_class'] = $class;
}
/**
* Return the configured IO class.
*
* @return string
*/
public function getIoClass()
{
return $this->configuration['io_class'];
}
/**
* Set the application name, this is included in the User-Agent HTTP header.
* @param string $name
*/
public function setApplicationName($name)
{
$this->configuration['application_name'] = $name;
}
/**
* @return string the name of the application
*/
public function getApplicationName()
{
return $this->configuration['application_name'];
}
/**
* Set the client ID for the auth class.
* @param $clientId string - the API console client ID
*/
public function setClientId($clientId)
{
$this->setAuthConfig('client_id', $clientId);
}
/**
* Set the client secret for the auth class.
* @param $secret string - the API console client secret
*/
public function setClientSecret($secret)
{
$this->setAuthConfig('client_secret', $secret);
}
/**
* Set the redirect uri for the auth class. Note that if using the
* Javascript based sign in flow, this should be the string 'postmessage'.
*
* @param $uri string - the URI that users should be redirected to
*/
public function setRedirectUri($uri)
{
$this->setAuthConfig('redirect_uri', $uri);
}
/**
* Set the app activities for the auth class.
* @param $rva string a space separated list of app activity types
*/
public function setRequestVisibleActions($rva)
{
$this->setAuthConfig('request_visible_actions', $rva);
}
/**
* Set the the access type requested (offline or online.)
* @param $access string - the access type
*/
public function setAccessType($access)
{
$this->setAuthConfig('access_type', $access);
}
/**
* Set when to show the approval prompt (auto or force)
* @param $approval string - the approval request
*/
public function setApprovalPrompt($approval)
{
$this->setAuthConfig('approval_prompt', $approval);
}
/**
* Set the login hint (email address or sub identifier)
* @param $hint string
*/
public function setLoginHint($hint)
{
$this->setAuthConfig('login_hint', $hint);
}
/**
* Set the developer key for the auth class. Note that this is separate value
* from the client ID - if it looks like a URL, its a client ID!
* @param $key string - the API console developer key
*/
public function setDeveloperKey($key)
{
$this->setAuthConfig('developer_key', $key);
}
/**
* Set the hd (hosted domain) parameter streamlines the login process for
* Google Apps hosted accounts. By including the domain of the user, you
* restrict sign-in to accounts at that domain.
*
* This should not be used to ensure security on your application - check
* the hd values within an id token (@see Google_Auth_LoginTicket) after sign
* in to ensure that the user is from the domain you were expecting.
*
* @param $hd string - the domain to use.
*/
public function setHostedDomain($hd)
{
$this->setAuthConfig('hd', $hd);
}
/**
* Set the prompt hint. Valid values are none, consent and select_account.
* If no value is specified and the user has not previously authorized
* access, then the user is shown a consent screen.
* @param $prompt string
*/
public function setPrompt($prompt)
{
$this->setAuthConfig('prompt', $prompt);
}
/**
* openid.realm is a parameter from the OpenID 2.0 protocol, not from OAuth
* 2.0. It is used in OpenID 2.0 requests to signify the URL-space for which
* an authentication request is valid.
* @param $realm string - the URL-space to use.
*/
public function setOpenidRealm($realm)
{
$this->setAuthConfig('openid.realm', $realm);
}
/**
* If this is provided with the value true, and the authorization request is
* granted, the authorization will include any previous authorizations
* granted to this user/application combination for other scopes.
* @param $include boolean - the URL-space to use.
*/
public function setIncludeGrantedScopes($include)
{
$this->setAuthConfig(
'include_granted_scopes',
$include ? "true" : "false"
);
}
/**
* @return string the base URL to use for API calls
*/
public function getBasePath()
{
return $this->configuration['base_path'];
}
/**
* Set the auth configuration for the current auth class.
* @param $key - the key to set
* @param $value - the parameter value
*/
private function setAuthConfig($key, $value)
{
if (!isset($this->configuration['classes'][$this->getAuthClass()])) {
$this->configuration['classes'][$this->getAuthClass()] = array();
}
$this->configuration['classes'][$this->getAuthClass()][$key] = $value;
}
}