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authorZach Copley <zach@controlyourself.ca>2009-08-01 08:20:44 +0000
committerZach Copley <zach@controlyourself.ca>2009-08-01 08:20:44 +0000
commit6f4b2f0ac2f235332c850b050d9e4563fc71f89d (patch)
tree19c0d1b8c694792a026e9694c23365837c59a46b
parenta49272d448d75a6ab74515352345d8baacb96f1f (diff)
Twitter OAuth server dance working
-rw-r--r--actions/twitterauthorization.php136
-rw-r--r--actions/twittersettings.php111
-rw-r--r--lib/common.php3
-rw-r--r--lib/router.php4
-rw-r--r--lib/twitteroauthclient.php109
5 files changed, 302 insertions, 61 deletions
diff --git a/actions/twitterauthorization.php b/actions/twitterauthorization.php
new file mode 100644
index 000000000..f19cd7f65
--- /dev/null
+++ b/actions/twitterauthorization.php
@@ -0,0 +1,136 @@
+<?php
+/**
+ * Laconica, the distributed open-source microblogging tool
+ *
+ * Class for doing OAuth authentication against Twitter
+ *
+ * PHP version 5
+ *
+ * LICENCE: This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * @category TwitterauthorizationAction
+ * @package Laconica
+ * @author Zach Copely <zach@controlyourself.ca>
+ * @copyright 2009 Control Yourself, Inc.
+ * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
+ * @link http://laconi.ca/
+ */
+
+if (!defined('LACONICA')) {
+ exit(1);
+}
+
+class TwitterauthorizationAction extends Action
+{
+
+ function prepare($args)
+ {
+ parent::prepare($args);
+
+ $this->oauth_token = $this->arg('oauth_token');
+
+ return true;
+ }
+
+ function handle($args)
+ {
+ parent::handle($args);
+
+ if (!common_logged_in()) {
+ $this->clientError(_('Not logged in.'), 403);
+ }
+
+ $user = common_current_user();
+ $flink = Foreign_link::getByUserID($user->id, TWITTER_SERVICE);
+
+ // If there's already a foreign link record, it means we already
+ // have an access token, and this is unecessary. So go back.
+
+ if (isset($flink)) {
+ common_redirect(common_local_url('twittersettings'));
+ }
+
+ // $this->oauth_token is only populated once Twitter authorizes our
+ // request token. If it's empty we're at the beginning of the auth
+ // process
+
+ if (empty($this->oauth_token)) {
+
+ // Get a new request token and authorize it
+
+ $client = new TwitterOAuthClient();
+ $req_tok = $client->getRequestToken();
+
+ // Sock the request token away in the session temporarily
+
+ $_SESSION['twitter_request_token'] = $req_tok->key;
+ $_SESSION['twitter_request_token_secret'] = $req_tok->key;
+
+ $auth_link = $client->getAuthorizeLink($req_tok);
+ common_redirect($auth_link);
+
+ } else {
+
+ // Check to make sure Twitter sent us the same request token we sent
+
+ if ($_SESSION['twitter_request_token'] != $this->oauth_token) {
+ $this->serverError(_('Couldn\'t link your Twitter account.'));
+ }
+
+ $client = new TwitterOAuthClient($_SESSION['twitter_request_token'],
+ $_SESSION['twitter_request_token_secret']);
+
+ // Exchange the request token for an access token
+
+ $atok = $client->getAccessToken();
+
+ // Save the access token and Twitter user info
+
+ $client = new TwitterOAuthClient($atok->key, $atok->secret);
+
+ $twitter_user = $client->verify_credentials();
+
+ $user = common_current_user();
+
+ $flink = new Foreign_link();
+
+ $flink->user_id = $user->id;
+ $flink->foreign_id = $twitter_user->id;
+ $flink->service = TWITTER_SERVICE;
+ $flink->token = $atok->key;
+ $flink->credentials = $atok->secret;
+ $flink->created = common_sql_now();
+
+ $flink->set_flags(true, false, false, false);
+
+ $flink_id = $flink->insert();
+
+ if (empty($flink_id)) {
+ common_log_db_error($flink, 'INSERT', __FILE__);
+ $this->serverError(_('Couldn\'t link your Twitter account.'));
+ }
+
+ save_twitter_user($twitter_user->id, $twitter_user->screen_name);
+
+ // clean up the the mess we made in the session
+
+ unset($_SESSION['twitter_request_token']);
+ unset($_SESSION['twitter_request_token_secret']);
+
+ common_redirect(common_local_url('twittersettings'));
+ }
+ }
+
+}
+
diff --git a/actions/twittersettings.php b/actions/twittersettings.php
index 2b742788e..acc9fb935 100644
--- a/actions/twittersettings.php
+++ b/actions/twittersettings.php
@@ -69,9 +69,8 @@ class TwittersettingsAction extends ConnectSettingsAction
function getInstructions()
{
- return _('Add your Twitter account to automatically send '.
- ' your notices to Twitter, ' .
- 'and subscribe to Twitter friends already here.');
+ return _('Connect your Twitter account to share your updates ' .
+ 'with your Twitter friends and vice-versa.');
}
/**
@@ -93,7 +92,7 @@ class TwittersettingsAction extends ConnectSettingsAction
$flink = Foreign_link::getByUserID($user->id, TWITTER_SERVICE);
- if ($flink) {
+ if (!empty($flink)) {
$fuser = $flink->getForeignUser();
}
@@ -102,73 +101,61 @@ class TwittersettingsAction extends ConnectSettingsAction
'class' => 'form_settings',
'action' =>
common_local_url('twittersettings')));
- $this->elementStart('fieldset', array('id' => 'settings_twitter_account'));
- $this->element('legend', null, _('Twitter Account'));
+
$this->hidden('token', common_session_token());
- if ($fuser) {
+
+
+ if (empty($fuser)) {
+
+ $this->elementStart('fieldset', array('id' => 'settings_twitter_account'));
$this->elementStart('ul', 'form_data');
- $this->elementStart('li', array('id' => 'settings_twitter_remove'));
- $this->element('span', 'twitter_user', $fuser->nickname);
- $this->element('a', array('href' => $fuser->uri), $fuser->uri);
- $this->element('p', 'form_note',
- _('Current verified Twitter account.'));
- $this->hidden('flink_foreign_id', $flink->foreign_id);
- $this->elementEnd('li');
+ $this->elementStart('li', array('id' => 'settings_twitter_login_button'));
+ $this->element('a', array('href' => common_local_url('twitterauthorization')),
+ 'Connect my Twitter account');
+ $this->elementEnd('li');
$this->elementEnd('ul');
- $this->submit('remove', _('Remove'));
+ $this->elementEnd('fieldset');
+
} else {
+
+ $this->elementStart('fieldset',
+ array('id' => 'settings_twitter_preferences'));
+ $this->element('legend', null, _('Preferences'));
+
$this->elementStart('ul', 'form_data');
- $this->elementStart('li', array('id' => 'settings_twitter_login'));
- $this->input('twitter_username', _('Twitter user name'),
- ($this->arg('twitter_username')) ?
- $this->arg('twitter_username') :
- $profile->nickname,
- _('No spaces, please.')); // hey, it's what Twitter says
+ $this->elementStart('li');
+ $this->checkbox('noticesend',
+ _('Automatically send my notices to Twitter.'),
+ ($flink) ?
+ ($flink->noticesync & FOREIGN_NOTICE_SEND) :
+ true);
$this->elementEnd('li');
$this->elementStart('li');
- $this->password('twitter_password', _('Twitter password'));
- $this->elementend('li');
- $this->elementEnd('ul');
- }
- $this->elementEnd('fieldset');
+ $this->checkbox('replysync',
+ _('Send local "@" replies to Twitter.'),
+ ($flink) ?
+ ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY) :
+ true);
+ $this->elementEnd('li');
+ $this->elementStart('li');
+ $this->checkbox('friendsync',
+ _('Subscribe to my Twitter friends here.'),
+ ($flink) ?
+ ($flink->friendsync & FOREIGN_FRIEND_RECV) :
+ false);
+ $this->elementEnd('li');
- $this->elementStart('fieldset',
- array('id' => 'settings_twitter_preferences'));
- $this->element('legend', null, _('Preferences'));
-
- $this->elementStart('ul', 'form_data');
- $this->elementStart('li');
- $this->checkbox('noticesend',
- _('Automatically send my notices to Twitter.'),
- ($flink) ?
- ($flink->noticesync & FOREIGN_NOTICE_SEND) :
- true);
- $this->elementEnd('li');
- $this->elementStart('li');
- $this->checkbox('replysync',
- _('Send local "@" replies to Twitter.'),
- ($flink) ?
- ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY) :
- true);
- $this->elementEnd('li');
- $this->elementStart('li');
- $this->checkbox('friendsync',
- _('Subscribe to my Twitter friends here.'),
- ($flink) ?
- ($flink->friendsync & FOREIGN_FRIEND_RECV) :
- false);
- $this->elementEnd('li');
-
- if (common_config('twitterbridge','enabled')) {
+ if (common_config('twitterbridge','enabled')) {
$this->elementStart('li');
$this->checkbox('noticerecv',
- _('Import my Friends Timeline.'),
- ($flink) ?
- ($flink->noticesync & FOREIGN_NOTICE_RECV) :
- false);
+ _('Import my Friends Timeline.'),
+ ($flink) ?
+ ($flink->noticesync & FOREIGN_NOTICE_RECV) :
+ false);
$this->elementEnd('li');
- } else {
+
// preserve setting even if bidrection bridge toggled off
+
if ($flink && ($flink->noticesync & FOREIGN_NOTICE_RECV)) {
$this->hidden('noticerecv', true, 'noticerecv');
}
@@ -181,11 +168,13 @@ class TwittersettingsAction extends ConnectSettingsAction
} else {
$this->submit('add', _('Add'));
}
+
$this->elementEnd('fieldset');
+ }
- $this->showTwitterSubscriptions();
+ $this->showTwitterSubscriptions();
- $this->elementEnd('form');
+ $this->elementEnd('form');
}
/**
diff --git a/lib/common.php b/lib/common.php
index 9d7954fa9..f9ac66f4f 100644
--- a/lib/common.php
+++ b/lib/common.php
@@ -196,6 +196,9 @@ $config =
'integration' =>
array('source' => 'Laconica', # source attribute for Twitter
'taguri' => $_server.',2009'), # base for tag URIs
+ 'twitter' =>
+ array('consumer_key' => null,
+ 'consumer_secret' => null),
'memcached' =>
array('enabled' => false,
'server' => 'localhost',
diff --git a/lib/router.php b/lib/router.php
index e10d484f4..582dfae6d 100644
--- a/lib/router.php
+++ b/lib/router.php
@@ -88,6 +88,10 @@ class Router
$m->connect('doc/:title', array('action' => 'doc'));
+ // Twitter
+
+ $m->connect('twitter/authorization', array('action' => 'twitterauthorization'));
+
// facebook
$m->connect('facebook', array('action' => 'facebookhome'));
diff --git a/lib/twitteroauthclient.php b/lib/twitteroauthclient.php
new file mode 100644
index 000000000..616fbc213
--- /dev/null
+++ b/lib/twitteroauthclient.php
@@ -0,0 +1,109 @@
+<?php
+
+require_once('OAuth.php');
+
+class TwitterOAuthClient
+{
+ public static $requestTokenURL = 'https://twitter.com/oauth/request_token';
+ public static $authorizeURL = 'https://twitter.com/oauth/authorize';
+ public static $accessTokenURL = 'https://twitter.com/oauth/access_token';
+
+ function __construct($oauth_token = null, $oauth_token_secret = null)
+ {
+ $this->sha1_method = new OAuthSignatureMethod_HMAC_SHA1();
+ $consumer_key = common_config('twitter', 'consumer_key');
+ $consumer_secret = common_config('twitter', 'consumer_secret');
+ $this->consumer = new OAuthConsumer($consumer_key, $consumer_secret);
+ $this->token = null;
+
+ if (isset($oauth_token) && isset($oauth_token_secret)) {
+ $this->token = new OAuthToken($oauth_token, $oauth_token_secret);
+ }
+ }
+
+ function getRequestToken()
+ {
+ $response = $this->oAuthGet(TwitterOAuthClient::$requestTokenURL);
+ parse_str($response);
+ $token = new OAuthToken($oauth_token, $oauth_token_secret);
+ return $token;
+ }
+
+ function getAuthorizeLink($request_token)
+ {
+ // Not sure Twitter actually looks at oauth_callback
+
+ return TwitterOAuthClient::$authorizeURL .
+ '?oauth_token=' . $request_token->key . '&oauth_callback=' .
+ urlencode(common_local_url('twitterauthorization'));
+ }
+
+ function getAccessToken()
+ {
+ $response = $this->oAuthPost(TwitterOAuthClient::$accessTokenURL);
+ parse_str($response);
+ $token = new OAuthToken($oauth_token, $oauth_token_secret);
+ return $token;
+ }
+
+ function verify_credentials()
+ {
+ $url = 'https://twitter.com/account/verify_credentials.json';
+ $response = $this->oAuthGet($url);
+ $twitter_user = json_decode($response);
+ return $twitter_user;
+ }
+
+ function oAuthGet($url)
+ {
+ $request = OAuthRequest::from_consumer_and_token($this->consumer,
+ $this->token, 'GET', $url, null);
+ $request->sign_request($this->sha1_method,
+ $this->consumer, $this->token);
+
+ return $this->httpRequest($request->to_url());
+ }
+
+ function oAuthPost($url, $params = null)
+ {
+ $request = OAuthRequest::from_consumer_and_token($this->consumer,
+ $this->token, 'POST', $url, $params);
+ $request->sign_request($this->sha1_method,
+ $this->consumer, $this->token);
+
+ return $this->httpRequest($request->get_normalized_http_url(),
+ $request->to_postdata());
+ }
+
+ function httpRequest($url, $params = null)
+ {
+ $options = array(
+ CURLOPT_RETURNTRANSFER => true,
+ CURLOPT_FAILONERROR => true,
+ CURLOPT_HEADER => false,
+ CURLOPT_FOLLOWLOCATION => true,
+ CURLOPT_USERAGENT => 'Laconica',
+ CURLOPT_CONNECTTIMEOUT => 120,
+ CURLOPT_TIMEOUT => 120,
+ CURLOPT_HTTPAUTH => CURLAUTH_ANY,
+ CURLOPT_SSL_VERIFYPEER => false,
+
+ // Twitter is strict about accepting invalid "Expect" headers
+
+ CURLOPT_HTTPHEADER => array('Expect:')
+ );
+
+ if (isset($params)) {
+ $options[CURLOPT_POST] = true;
+ $options[CURLOPT_POSTFIELDS] = $params;
+ }
+
+ $ch = curl_init($url);
+ curl_setopt_array($ch, $options);
+ $response = curl_exec($ch);
+ curl_close($ch);
+
+ return $response;
+ }
+
+}