Refs #3115. Migrated twitterservice to twitter_api. Added upgrade to migrate plugin and user settings.

git-svn-id: http://code.elgg.org/elgg/trunk@8699 36083f99-b078-4883-b0ff-0f9b5a30f544

1 files changed, 0 insertions, 329 deletions

diff --git a/mod/twitterservice/twitterservice_lib.php b/mod/twitterservice/twitterservice_lib.php
deleted file mode 100644
index 8e886f2d9..000000000
--- a/mod/twitterservice/twitterservice_lib.php
+++ /dev/null
@@ -1,329 +0,0 @@
-<?php
-/**
- * Common library of functions used by Twitter Services.
- *
- * @package TwitterService
- */
-
-/**
- * Tests if the system admin has enabled Sign-On-With-Twitter
- *
- * @param void
- * @return bool
- */
-function twitterservice_allow_sign_on_with_twitter() {
-	if (!$consumer_key = elgg_get_plugin_setting('consumer_key', 'twitterservice')) {
-		return FALSE;
-	}
-
-	if (!$consumer_secret = elgg_get_plugin_setting('consumer_secret', 'twitterservice')) {
-		return FALSE;
-	}
-
-	return elgg_get_plugin_setting('sign_on', 'twitterservice') == 'yes';
-}
-
-/**
- * Forwards
- *
- * @todo what is this?
- */
-function twitterservice_forward() {
-	// sanity check
-	if (!twitterservice_allow_sign_on_with_twitter()) {
-		forward();
-	}
-
-	$callback = elgg_normalize_url("twitterservice/login");
-	$request_link = twitterservice_get_authorize_url($callback);
-
-	forward($request_link, 'twitterservice');
-}
-
-/**
- * Log in a user with twitter.
- */
-function twitterservice_login() {
-
-	// sanity check
-	if (!twitterservice_allow_sign_on_with_twitter()) {
-		forward();
-	}
-
-	$token = twitterservice_get_access_token(get_input('oauth_verifier'));
-	if (!isset($token['oauth_token']) or !isset($token['oauth_token_secret'])) {
-		register_error(elgg_echo('twitterservice:login:error'));
-		forward();
-	}
-
-	// attempt to find user and log them in.
-	// else, create a new user.
-	$options = array(
-		'type' => 'user',
-		'plugin_user_setting_name_value_pairs' => array(
-			'access_key' => $token['oauth_token'],
-			'access_secret' => $token['oauth_token_secret'],
-		),
-		'limit' => 0
-	);
-
-	$users = elgg_get_entities_from_plugin_user_settings($options);
-
-	if ($users) {
-		if (count($users) == 1 && login($users[0])) {
-			system_message(elgg_echo('twitterservice:login:success'));
-			
-			// trigger login hook
-			elgg_trigger_plugin_hook('login', 'twitterservice', array('user' => $users[0]));
-		} else {
-			system_message(elgg_echo('twitterservice:login:error'));
-		}
-
-		forward();
-	} else {
-		// need Twitter account credentials
-		$consumer_key = elgg_get_plugin_setting('consumer_key', 'twitterservice');
-		$consumer_secret = elgg_get_plugin_setting('consumer_secret', 'twitterservice');
-		$api = new TwitterOAuth($consumer_key, $consumer_secret, $token['oauth_token'], $token['oauth_token_secret']);
-		$twitter = $api->get('account/verify_credentials');
-
-		// backward compatibility for stalled-development Twitter Login plugin
-		$user = FALSE;
-		if ($twitter_user = get_user_by_username($token['screen_name'])) {
-			if (($screen_name = $twitter_user->twitter_screen_name) && ($screen_name == $token['screen_name'])) {
-				// convert existing account
-				$user = $twitter_user;
-				$forward = '';
-			}
-		}
-
-		// create new user
-		if (!$user) {
-			// check new registration allowed
-			if (!twitterservice_allow_new_users_with_twitter()) {
-				register_error(elgg_echo('registerdisabled'));
-				forward();
-			}
-
-			// trigger a hook for plugin authors to intercept
-			if (!elgg_trigger_plugin_hook('new_twitter_user', 'twitter_service', array('account' => $twitter), TRUE)) {
-				// halt execution
-				register_error(elgg_echo('twitterservice:login:error'));
-				forward();
-			}
-
-			// Elgg-ify Twitter credentials
-			$username = $twitter->screen_name;
-			while (get_user_by_username($username)) {
-				$username = $twitter->screen_name . '_' . rand(1000, 9999);
-			}
-
-			$password = generate_random_cleartext_password();
-			$name = $twitter->name;
-
-			$user = new ElggUser();
-			$user->username = $username;
-			$user->name = $name;
-			$user->access_id = ACCESS_PUBLIC;
-			$user->salt = generate_random_cleartext_password();
-			$user->password = generate_user_password($user, $password);
-			$user->owner_guid = 0;
-			$user->container_guid = 0;
-
-			if (!$user->save()) {
-				register_error(elgg_echo('registerbad'));
-				forward();
-			}
-
-			// @todo require email address?
-
-			$site_name = elgg_get_site_entity()->name;
-			system_message(elgg_echo('twitterservice:login:email', array($site_name)));
-
-			$forward = "settings/user/{$user->username}";
-		}
-
-		// set twitter services tokens
-		elgg_set_plugin_user_setting('twitter_name', $token['screen_name'], $user->guid);
-		elgg_set_plugin_user_setting('access_key', $token['oauth_token'], $user->guid);
-		elgg_set_plugin_user_setting('access_secret', $token['oauth_token_secret'], $user->guid);
-
-		// pull in Twitter icon
-		twitterservice_update_user_avatar($user, $twitter->profile_image_url);
-
-		// login new user
-		if (login($user)) {
-			system_message(elgg_echo('twitterservice:login:success'));
-			
-			// trigger login hook for new user
-			elgg_trigger_plugin_hook('first_login', 'twitterservice', array('user' => $user));
-		} else {
-			system_message(elgg_echo('twitterservice:login:error'));
-		}
-
-		forward($forward, 'twitterservice');
-	}
-
-	// register login error
-	register_error(elgg_echo('twitterservice:login:error'));
-	forward();
-}
-
-/**
- * Pull in the latest avatar from twitter.
- *
- * @param unknown_type $user
- * @param unknown_type $file_location
- */
-function twitterservice_update_user_avatar($user, $file_location) {
-	$sizes = array(
-		'topbar' => array(16, 16, TRUE),
-		'tiny' => array(25, 25, TRUE),
-		'small' => array(40, 40, TRUE),
-		'medium' => array(100, 100, TRUE),
-		'large' => array(200, 200, FALSE),
-		'master' => array(550, 550, FALSE),
-	);
-
-	$filehandler = new ElggFile();
-	$filehandler->owner_guid = $user->getGUID();
-	foreach ($sizes as $size => $dimensions) {
-		$image = get_resized_image_from_existing_file(
-			$file_location,
-			$dimensions[0],
-			$dimensions[1],
-			$dimensions[2]
-		);
-
-		$filehandler->setFilename("profile/$user->guid$size.jpg");
-		$filehandler->open('write');
-		$filehandler->write($image);
-		$filehandler->close();
-	}
-
-	return TRUE;
-}
-
-/**
- * User-initiated Twitter authorization
- *
- * Callback action from Twitter registration. Registers a single Elgg user with
- * the authorization tokens. Will revoke access from previous users when a
- * conflict exists.
- *
- * Depends upon {@link twitterservice_get_authorize_url} being called previously
- * to establish session request tokens.
- */
-function twitterservice_authorize() {
-	$token = twitterservice_get_access_token();
-	if (!isset($token['oauth_token']) || !isset($token['oauth_token_secret'])) {
-		register_error(elgg_echo('twitterservice:authorize:error'));
-		forward('settings/plugins', 'twitterservice');
-	}
-
-	// make sure no other users are registered to this twitter account.
-	$options = array(
-		'type' => 'user',
-		'plugin_user_setting_name_value_pairs' => array(
-			'access_key' => $token['oauth_token'],
-			'access_secret' => $token['oauth_token_secret'],
-		),
-		'limit' => 0
-	);
-
-	$users = elgg_get_entities_from_plugin_user_settings($options);
-
-	if ($users) {
-		foreach ($users as $user) {
-			// revoke access
-			elgg_unset_plugin_user_setting('twitter_name', $user->getGUID());
-			elgg_unset_plugin_user_setting('access_key', $user->getGUID());
-			elgg_unset_plugin_user_setting('access_secret', $user->getGUID());
-		}
-	}
-
-	// register user's access tokens
-	elgg_set_plugin_user_setting('twitter_name', $token['screen_name']);
-	elgg_set_plugin_user_setting('access_key', $token['oauth_token']);
-	elgg_set_plugin_user_setting('access_secret', $token['oauth_token_secret']);
-	
-	// trigger authorization hook
-	elgg_trigger_plugin_hook('authorize', 'twitterservice', array('token' => $token));
-
-	system_message(elgg_echo('twitterservice:authorize:success'));
-	forward('settings/plugins', 'twitterservice');
-}
-
-/**
- * Remove twitter access for the currently logged in user.
- */
-function twitterservice_revoke() {
-	// unregister user's access tokens
-	elgg_unset_plugin_user_setting('twitter_name');
-	elgg_unset_plugin_user_setting('access_key');
-	elgg_unset_plugin_user_setting('access_secret');
-
-	system_message(elgg_echo('twitterservice:revoke:success'));
-	forward('settings/plugins', 'twitterservice');
-}
-
-/**
- * Returns the url to authorize a user.
- *
- * @param string $callback The callback URL?
- */
-function twitterservice_get_authorize_url($callback = NULL) {
-	global $SESSION;
-
-	$consumer_key = elgg_get_plugin_setting('consumer_key', 'twitterservice');
-	$consumer_secret = elgg_get_plugin_setting('consumer_secret', 'twitterservice');
-
-	// request tokens from Twitter
-	$twitter = new TwitterOAuth($consumer_key, $consumer_secret);
-	$token = $twitter->getRequestToken($callback);
-
-	// save token in session for use after authorization
-	$SESSION['twitterservice'] = array(
-		'oauth_token' => $token['oauth_token'],
-		'oauth_token_secret' => $token['oauth_token_secret'],
-	);
-
-	return $twitter->getAuthorizeURL($token['oauth_token']);
-}
-
-/**
- * Returns the access token to use in twitter calls.
- *
- * @param unknown_type $oauth_verifier
- */
-function twitterservice_get_access_token($oauth_verifier = FALSE) {
-	global $SESSION;
-
-	$consumer_key = elgg_get_plugin_setting('consumer_key', 'twitterservice');
-	$consumer_secret = elgg_get_plugin_setting('consumer_secret', 'twitterservice');
-
-	// retrieve stored tokens
-	$oauth_token = $SESSION['twitterservice']['oauth_token'];
-	$oauth_token_secret = $SESSION['twitterservice']['oauth_token_secret'];
-	$SESSION->offsetUnset('twitterservice');
-
-	// fetch an access token
-	$api = new TwitterOAuth($consumer_key, $consumer_secret, $oauth_token, $oauth_token_secret);
-	return $api->getAccessToken($oauth_verifier);
-}
-
-/**
- * Checks if this site is accepting new users.
- * Admins can disable manual registration, but some might want to allow
- * twitter-only logins.
- */
-function twitterservice_allow_new_users_with_twitter() {
-	$site_reg = elgg_get_config('allow_registration');
-	$twitter_reg = elgg_get_plugin_setting('new_users');
-
-	if ($site_reg || (!$site_reg && $twitter_reg == 'yes')) {
-		return true;
-	}
-
-	return false;
-}