diff options
Diffstat (limited to 'lib/twitter.php')
| -rw-r--r-- | lib/twitter.php | 299 |
1 files changed, 262 insertions, 37 deletions
diff --git a/lib/twitter.php b/lib/twitter.php index 197298549..ccc6c93ca 100644 --- a/lib/twitter.php +++ b/lib/twitter.php @@ -19,6 +19,8 @@ if (!defined('LACONICA')) { exit(1); } +define('TWITTER_SERVICE', 1); // Twitter is foreign_service ID 1 + function get_twitter_data($uri, $screen_name, $password) { @@ -28,14 +30,13 @@ function get_twitter_data($uri, $screen_name, $password) CURLOPT_FAILONERROR => true, CURLOPT_HEADER => false, CURLOPT_FOLLOWLOCATION => true, - # CURLOPT_USERAGENT => "identi.ca", + CURLOPT_USERAGENT => "Laconica", CURLOPT_CONNECTTIMEOUT => 120, CURLOPT_TIMEOUT => 120, # Twitter is strict about accepting invalid "Expect" headers CURLOPT_HTTPHEADER => array('Expect:') ); - $ch = curl_init($uri); curl_setopt_array($ch, $options); $data = curl_exec($ch); @@ -44,6 +45,10 @@ function get_twitter_data($uri, $screen_name, $password) if ($errmsg) { common_debug("Twitter bridge - cURL error: $errmsg - trying to load: $uri with user $screen_name.", __FILE__); + + if (defined('SCRIPT_DEBUG')) { + print "cURL error: $errmsg - trying to load: $uri with user $screen_name.\n"; + } } curl_close($ch); @@ -51,63 +56,141 @@ function get_twitter_data($uri, $screen_name, $password) return $data; } -function twitter_user_info($screen_name, $password) +function twitter_json_data($uri, $screen_name, $password) { + $json_data = get_twitter_data($uri, $screen_name, $password); - $uri = "http://twitter.com/users/show/$screen_name.json"; - $data = get_twitter_data($uri, $screen_name, $password); - - if (!$data) { + if (!$json_data) { return false; } - $twit_user = json_decode($data); + $data = json_decode($json_data); - if (!$twit_user) { + if (!$data) { return false; } - return $twit_user; + return $data; +} + +function twitter_user_info($screen_name, $password) +{ + $uri = "http://twitter.com/users/show/$screen_name.json"; + return twitter_json_data($uri, $screen_name, $password); +} + +function twitter_friends_ids($screen_name, $password) +{ + $uri = "http://twitter.com/friends/ids/$screen_name.json"; + return twitter_json_data($uri, $screen_name, $password); } -function update_twitter_user($fuser, $twitter_id, $screen_name) +function update_twitter_user($twitter_id, $screen_name) { + $uri = 'http://twitter.com/' . $screen_name; - $original = clone($fuser); - $fuser->nickname = $screen_name; - $fuser->uri = 'http://twitter.com/' . $screen_name; - $result = $fuser->updateKeys($original); + $fuser = new Foreign_user(); + + $fuser->query('BEGIN'); + + // Dropping down to SQL because regular db_object udpate stuff doesn't seem + // to work so good with tables that have multiple column primary keys + + // Any time we update the uri for a forein user we have to make sure there + // are no dupe entries first -- unique constraint on the uri column + + $qry = 'UPDATE foreign_user set uri = \'\' WHERE uri = '; + $qry .= '\'' . $uri . '\'' . ' AND service = ' . TWITTER_SERVICE; + + $result = $fuser->query($qry); + + if ($result) { + common_debug("Removed uri ($uri) from another foreign_user who was squatting on it."); + if (defined('SCRIPT_DEBUG')) { + print("Removed uri ($uri) from another Twitter user who was squatting on it.\n"); + } + } + + // Update the user + $qry = 'UPDATE foreign_user SET nickname = '; + $qry .= '\'' . $screen_name . '\'' . ', uri = \'' . $uri . '\' '; + $qry .= 'WHERE id = ' . $twitter_id . ' AND service = ' . TWITTER_SERVICE; + + $result = $fuser->query($qry); if (!$result) { + common_log(LOG_WARNING, + "Couldn't update foreign_user data for Twitter user: $screen_name"); common_log_db_error($fuser, 'UPDATE', __FILE__); + if (defined('SCRIPT_DEBUG')) { + print "UPDATE failed: for Twitter user: $twitter_id - $screen_name. - "; + print common_log_objstring($fuser) . "\n"; + $error = &PEAR::getStaticProperty('DB_DataObject','lastError'); + print "DB_DataObject Error: " . $error->getMessage() . "\n"; + } return false; } + $fuser->query('COMMIT'); + + $fuser->free(); + unset($fuser); + return true; } function add_twitter_user($twitter_id, $screen_name) { + $new_uri = 'http://twitter.com/' . $screen_name; + + // Clear out any bad old foreign_users with the new user's legit URL + // This can happen when users move around or fakester accounts get + // repoed, and things like that. + $luser = new Foreign_user(); + $luser->uri = $new_uri; + $luser->service = TWITTER_SERVICE; + $result = $luser->delete(); + + if ($result) { + common_log(LOG_WARNING, + "Twitter bridge - removed invalid Twitter user squatting on uri: $new_uri"); + if (defined('SCRIPT_DEBUG')) { + print "Removed invalid Twitter user squatting on uri: $new_uri\n"; + } + } + + $luser->free(); + unset($luser); + // Otherwise, create a new Twitter user - $fuser = DB_DataObject::factory('foreign_user'); + $fuser = new Foreign_user(); $fuser->nickname = $screen_name; $fuser->uri = 'http://twitter.com/' . $screen_name; $fuser->id = $twitter_id; - $fuser->service = 1; // Twitter + $fuser->service = TWITTER_SERVICE; $fuser->created = common_sql_now(); $result = $fuser->insert(); if (!$result) { - common_debug("Twitter bridge - failed to add new Twitter user: $twitter_id - $screen_name."); + common_log(LOG_WARNING, + "Twitter bridge - failed to add new Twitter user: $twitter_id - $screen_name."); common_log_db_error($fuser, 'INSERT', __FILE__); - return false; + if (defined('SCRIPT_DEBUG')) { + print "INSERT failed: could not add new Twitter user: $twitter_id - $screen_name. - "; + print common_log_objstring($fuser) . "\n"; + $error = &PEAR::getStaticProperty('DB_DataObject','lastError'); + print "DB_DataObject Error: " . $error->getMessage() . "\n"; + } + } else { + common_debug("Twitter bridge - Added new Twitter user: $screen_name ($twitter_id)."); + if (defined('SCRIPT_DEBUG')) { + print "Added new Twitter user: $screen_name ($twitter_id).\n"; + } } - common_debug("Twitter bridge - Added new Twitter user: $screen_name ($twitter_id)."); - - return true; + return $result; } // Creates or Updates a Twitter user @@ -116,53 +199,87 @@ function save_twitter_user($twitter_id, $screen_name) // Check to see whether the Twitter user is already in the system, // and update its screen name and uri if so. - $fuser = Foreign_user::getForeignUser($twitter_id, 1); + $fuser = Foreign_user::getForeignUser($twitter_id, TWITTER_SERVICE); if ($fuser) { + $result = true; + // Only update if Twitter screen name has changed if ($fuser->nickname != $screen_name) { + $result = update_twitter_user($twitter_id, $screen_name); common_debug('Twitter bridge - Updated nickname (and URI) for Twitter user ' . "$fuser->id to $screen_name, was $fuser->nickname"); - return update_twitter_user($fuser, $twitter_id, $screen_name); + if (defined('SCRIPT_DEBUG')) { + print 'Updated nickname (and URI) for Twitter user ' . + "$fuser->id to $screen_name, was $fuser->nickname\n"; + } } + return $result; + } else { return add_twitter_user($twitter_id, $screen_name); } + $fuser->free(); + unset($fuser); + return true; } function retreive_twitter_friends($twitter_id, $screen_name, $password) { + $friends = array(); $uri = "http://twitter.com/statuses/friends/$twitter_id.json?page="; - $twitter_user = twitter_user_info($screen_name, $password); + $friends_ids = twitter_friends_ids($screen_name, $password); + + if (!$friends_ids) { + return $friends; + } + + if (defined('SCRIPT_DEBUG')) { + print "Twitter 'social graph' ids method says $screen_name has " . + count($friends_ids) . " friends.\n"; + } // Calculate how many pages to get... - $pages = ceil($twitter_user->friends_count / 100); + $pages = ceil(count($friends_ids) / 100); if ($pages == 0) { - common_debug("Twitter bridge - Twitter user $screen_name has no friends! Lame."); + common_log(LOG_WARNING, + "Twitter bridge - $screen_name seems to have no friends."); + if (defined('SCRIPT_DEBUG')) { + print "$screen_name seems to have no friends.\n"; + } } - $friends = array(); - for ($i = 1; $i <= $pages; $i++) { $data = get_twitter_data($uri . $i, $screen_name, $password); if (!$data) { - return null; + common_log(LOG_WARNING, + "Twitter bridge - Couldn't retrieve page $i of $screen_name's friends."); + if (defined('SCRIPT_DEBUG')) { + print "Couldn't retrieve page $i of $screen_name's friends.\n"; + } + continue; } $more_friends = json_decode($data); if (!$more_friends) { - return null; + + common_log(LOG_WARNING, + "Twitter bridge - No data for page $i of $screen_name's friends."); + if (defined('SCRIPT_DEBUG')) { + print "No data for page $i of $screen_name's friends.\n"; + } + continue; } $friends = array_merge($friends, $more_friends); @@ -176,19 +293,27 @@ function save_twitter_friends($user, $twitter_id, $screen_name, $password) $friends = retreive_twitter_friends($twitter_id, $screen_name, $password); - if (is_null($friends)) { - common_debug("Twitter bridge - Couldn't get friends data from Twitter."); + if (empty($friends)) { + common_debug("Twitter bridge - Couldn't get friends data from Twitter for $screen_name."); + if (defined('SCRIPT_DEBUG')) { + print "Couldn't get friends data from Twitter for $screen_name.\n"; + } return false; } foreach ($friends as $friend) { $friend_name = $friend->screen_name; - $friend_id = $friend->id; + $friend_id = (int) $friend->id; // Update or create the Foreign_user record if (!save_twitter_user($friend_id, $friend_name)) { - return false; + common_log(LOG_WARNING, + "Twitter bridge - couldn't save $screen_name's friend, $friend_name."); + if (defined('SCRIPT_DEBUG')) { + print "Couldn't save $screen_name's friend, $friend_name.\n"; + } + continue; } // Check to see if there's a related local user @@ -198,11 +323,111 @@ function save_twitter_friends($user, $twitter_id, $screen_name, $password) // Get associated user and subscribe her $friend_user = User::staticGet('id', $flink->user_id); - subs_subscribe_to($user, $friend_user); - common_debug("Twitter bridge - subscribed $friend_user->nickname to $user->nickname."); + if (!empty($friend_user)) { + $result = subs_subscribe_to($user, $friend_user); + + if ($result === true) { + common_debug("Twitter bridge - subscribed $friend_user->nickname to $user->nickname."); + if (defined('SCRIPT_DEBUG')) { + print("Subscribed $friend_user->nickname to $user->nickname.\n"); + } + } else { + if (defined('SCRIPT_DEBUG')) { + print "$result ($friend_user->nickname to $user->nickname)\n"; + } + } + } } } return true; } +function is_twitter_bound($notice, $flink) { + + // Check to see if notice should go to Twitter + if ($flink->noticesync & FOREIGN_NOTICE_SEND) { + + // If it's not a Twitter-style reply, or if the user WANTS to send replies. + if (!preg_match('/^@[a-zA-Z0-9_]{1,15}\b/u', $notice->content) || + ($flink->noticesync & FOREIGN_NOTICE_SEND_REPLY)) { + return true; + } + } + + return false; +} + +function broadcast_twitter($notice) +{ + $success = true; + + $flink = Foreign_link::getByUserID($notice->profile_id, + TWITTER_SERVICE); + + // XXX: Not sure WHERE to check whether a notice should go to + // Twitter. Should we even put in the queue if it shouldn't? --Zach + if (!is_null($flink) && is_twitter_bound($notice, $flink)) { + + $fuser = $flink->getForeignUser(); + $twitter_user = $fuser->nickname; + $twitter_password = $flink->credentials; + $uri = 'http://www.twitter.com/statuses/update.json'; + + // XXX: Hack to get around PHP cURL's use of @ being a a meta character + $statustxt = preg_replace('/^@/', ' @', $notice->content); + + $options = array( + CURLOPT_USERPWD => "$twitter_user:$twitter_password", + CURLOPT_POST => true, + CURLOPT_POSTFIELDS => + array( + 'status' => $statustxt, + 'source' => common_config('integration', 'source') + ), + CURLOPT_RETURNTRANSFER => true, + CURLOPT_FAILONERROR => true, + CURLOPT_HEADER => false, + CURLOPT_FOLLOWLOCATION => true, + CURLOPT_USERAGENT => "Laconica", + CURLOPT_CONNECTTIMEOUT => 120, // XXX: How long should this be? + CURLOPT_TIMEOUT => 120, + + # Twitter is strict about accepting invalid "Expect" headers + CURLOPT_HTTPHEADER => array('Expect:') + ); + + $ch = curl_init($uri); + curl_setopt_array($ch, $options); + $data = curl_exec($ch); + $errmsg = curl_error($ch); + + if ($errmsg) { + common_debug("cURL error: $errmsg - " . + "trying to send notice for $twitter_user.", + __FILE__); + $success = false; + } + + curl_close($ch); + + if (!$data) { + common_debug("No data returned by Twitter's " . + "API trying to send update for $twitter_user", + __FILE__); + $success = false; + } + + // Twitter should return a status + $status = json_decode($data); + + if (!$status->id) { + common_debug("Unexpected data returned by Twitter " . + " API trying to send update for $twitter_user", + __FILE__); + $success = false; + } + } + + return $success; +} |