diff options
Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/statusfetcher.php | 525 |
1 files changed, 525 insertions, 0 deletions
diff --git a/scripts/statusfetcher.php b/scripts/statusfetcher.php new file mode 100644 index 000000000..8f4b60cf7 --- /dev/null +++ b/scripts/statusfetcher.php @@ -0,0 +1,525 @@ +#!/usr/bin/env php +<?php +/* + * Laconica - a distributed open-source microblogging tool + * Copyright (C) 2008, Controlez-Vous, Inc. + * + * 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/>. + */ + +// Abort if called from a web server +if (isset($_SERVER) && array_key_exists('REQUEST_METHOD', $_SERVER)) { + print "This script must be run from the command line\n"; + exit(); +} + +define('INSTALLDIR', realpath(dirname(__FILE__) . '/..')); +define('LACONICA', true); + +// Uncomment this to get useful console output +define('SCRIPT_DEBUG', true); + +require_once(INSTALLDIR . '/lib/common.php'); + +$children = array(); +$flink_ids = null; + +$MAXCHILDREN = 5; +$POLL_INTERVAL = 10; // 10 seconds + +do { + + $flink = new Foreign_link(); + $flink->service = 1; // Twitter + $cnt = $flink->find(); + + if (defined('SCRIPT_DEBUG')) { + print "Updating Twitter friends subscriptions for $cnt users.\n"; + } + + $flink_ids = array(); + + // XXX: This only reliably happens once. After the first interation of + // the do loop, the ->find() doesn't work ... lost DB connection? + + while ($flink->fetch()) { + + if (($flink->noticesync & FOREIGN_NOTICE_RECV) == FOREIGN_NOTICE_RECV) { + $flink_ids[] = $flink->foreign_id; + } + } + + $flink->free(); + unset($flink); + + foreach ($flink_ids as $f){ + + $pid = pcntl_fork(); + + if ($pid == -1) { + die ("Couldn't fork!"); + } + + // Parent + if ($pid) { + if (defined('SCRIPT_DEBUG')) { + print "Parent: forked " . $pid . "\n"; + } + $children[] = $pid; + } else { + + // Child + + // XXX: Each child needs its own DB connection + + getTimeline($f); + exit(); + } + + // Remove child from ps list as it finishes + while(($c = pcntl_wait($status, WNOHANG OR WUNTRACED)) > 0) { + if (defined('SCRIPT_DEBUG')) { + print "Child $c finished.\n"; + } + remove_ps($children, $c); + } + + // Wait if we have too many kids + if(sizeof($children) > $MAXCHILDREN) { + if (defined('SCRIPT_DEBUG')) { + print "Too many children. Waiting...\n"; + } + if( ($c = pcntl_wait($status, WUNTRACED) ) > 0){ + if (defined('SCRIPT_DEBUG')) { + print "Finished waiting for $c\n"; + } + remove_ps($children, $c); + } + } + } + + // Remove all children from the process list before restarting + while(($c = pcntl_wait($status, WUNTRACED)) > 0) { + if (defined('SCRIPT_DEBUG')) { + print "Child $c finished.\n"; + } + remove_ps($children, $c); + } + + // Rest for a bit before we fetch more statuses + if (defined('SCRIPT_DEBUG')) { + print "Waiting $POLL_INTERVAL secs before hitting Twitter again.\n"; + } + + sleep($POLL_INTERVAL); + +} while (true); + + +function remove_ps(&$plist, $ps){ + for($i = 0; $i < sizeof($plist); $i++){ + if($plist[$i] == $ps){ + unset($plist[$i]); + $plist = array_values($plist); + break; + } + } +} + +function getTimeline($fid) +{ + + // XXX: Need to reconnect to the DB here? + + $flink = Foreign_link::getByForeignID($fid, 1); + $fuser = $flink->getForeignUser(); + + if (empty($fuser)) { + common_log(LOG_WARNING, "Unmatched user for ID " . $flink->user_id); + if (defined('SCRIPT_DEBUG')) { + print "Unmatched user for ID $flink->user_id\n"; + } + } + + $screenname = $fuser->nickname; + + $url = 'http://twitter.com/statuses/friends_timeline.json'; + + $timeline_json = get_twitter_data($url, $fuser->nickname, + $flink->credentials); + + $timeline = json_decode($timeline_json); + + if (empty($timeline)) { + common_log(LOG_WARNING, "Empty timeline."); + if (defined('SCRIPT_DEBUG')) { + print "Empty timeline!\n"; + } + return; + } + + foreach ($timeline as $status) { + + // Hacktastic: filter out stuff coming from Laconica + $source = mb_strtolower(common_config('integration', 'source')); + + if (preg_match("/$source/", mb_strtolower($status->source))) { + continue; + } + + saveStatus($status, $flink); + } + +} + +function saveStatus($status, $flink) +{ + // Do we have a profile for this Twitter user? + + $id = ensureProfile($status->user); + $profile = Profile::staticGet($id); + + if (!$profile) { + common_log(LOG_ERR, 'Problem saving notice. No associated Profile.'); + if (defined('SCRIPT_DEBUG')) { + print "Problem saving notice. No associated Profile.\n"; + } + return null; + } + + $uri = 'http://twitter.com/' . $status->user->screen_name . + '/status/' . $status->id; + + // Skip save if notice source is Laconica or Identi.ca? + + $notice = Notice::staticGet('uri', $uri); + + // check to see if we've already imported the status + if (!$notice) { + + $notice = new Notice(); + $notice->profile_id = $id; + + $notice->query('BEGIN'); + + // XXX: figure out reply_to + $notice->reply_to = null; + + // XXX: Should this be common_sql_now() instead of status create date? + + $notice->created = strftime('%Y-%m-%d %H:%M:%S', + strtotime($status->created_at)); + $notice->content = $status->text; + $notice->rendered = common_render_content($status->text, $notice); + $notice->source = 'twitter'; + $notice->is_local = 0; + $notice->uri = $uri; + + $notice_id = $notice->insert(); + + if (!$notice_id) { + common_log_db_error($notice, 'INSERT', __FILE__); + if (defined('SCRIPT_DEBUG')) { + print "Could not save notice!\n"; + } + } + + // XXX: Figure out a better way to link replies? + $notice->saveReplies(); + + // XXX: Do we want to polute our tag cloud with hashtags from Twitter? + $notice->saveTags(); + $notice->saveGroups(); + + $notice->query('COMMIT'); + + } + + if (!Notice_inbox::staticGet('notice_id', $notice->id)) { + + // Add to inbox + $inbox = new Notice_inbox(); + $inbox->user_id = $flink->user_id; + $inbox->notice_id = $notice->id; + $inbox->created = common_sql_now(); + + $inbox->insert(); + } +} + +function ensureProfile($user) +{ + + // check to see if there's already a profile for this user + $profileurl = 'http://twitter.com/' . $user->screen_name; + $profile = Profile::staticGet('profileurl', $profileurl); + + if ($profile) { + common_debug("Profile for $profile->nickname found."); + + // Check to see if the user's Avatar has changed + checkAvatar($user, $profile); + return $profile->id; + + } else { + $debugmsg = 'Adding profile and remote profile ' . + "for Twitter user: $profileurl\n"; + common_debug($debugmsg, __FILE__); + if (defined('SCRIPT_DEBUG')) { + print $debugmsg; + } + + $profile = new Profile(); + $profile->query("BEGIN"); + + $profile->nickname = $user->screen_name; + $profile->fullname = $user->name; + $profile->homepage = $user->url; + $profile->bio = $user->description; + $profile->location = $user->location; + $profile->profileurl = $profileurl; + $profile->created = common_sql_now(); + + $id = $profile->insert(); + + if (empty($id)) { + common_log_db_error($profile, 'INSERT', __FILE__); + if (defined('SCRIPT_DEBUG')) { + print 'Could not insert Profile: ' . + common_log_objstring($profile) . "\n"; + } + $profile->query("ROLLBACK"); + return false; + } + + // check for remote profile + $remote_pro = Remote_profile::staticGet('uri', $profileurl); + + if (!$remote_pro) { + + $remote_pro = new Remote_profile(); + + $remote_pro->id = $id; + $remote_pro->uri = $profileurl; + $remote_pro->created = common_sql_now(); + + $rid = $remote_pro->insert(); + + if (empty($rid)) { + common_log_db_error($profile, 'INSERT', __FILE__); + if (defined('SCRIPT_DEBUG')) { + print 'Could not insert Remote_profile: ' . + common_log_objstring($remote_pro) . "\n"; + } + $profile->query("ROLLBACK"); + return false; + } + } + + $profile->query("COMMIT"); + $profile->free(); + unset($profile); + + saveAvatars($user, $id); + + return $id; + } +} + +function checkAvatar($user, $profile) +{ + $path_parts = pathinfo($user->profile_image_url); + $newname = 'Twitter_' . $user->id . '_' . + $path_parts['basename']; + + $oldname = $profile->getAvatar(48)->filename; + + if ($newname != $oldname) { + + common_debug("Avatar for Twitter user $profile->nickname has changed."); + common_debug("old: $oldname new: $newname"); + + if (defined('SCRIPT_DEBUG')) { + print "Avatar for Twitter user $user->id has changed.\n"; + print "old: $oldname\n"; + print "new: $newname\n"; + } + + $img_root = substr($path_parts['basename'], 0, -11); + $ext = $path_parts['extension']; + $mediatype = getMediatype($ext); + + foreach (array('mini', 'normal', 'bigger') as $size) { + $url = $path_parts['dirname'] . '/' . + $img_root . '_' . $size . ".$ext"; + $filename = 'Twitter_' . $user->id . '_' . + $img_root . "_$size.$ext"; + + if (fetchAvatar($url, $filename)) { + updateAvatar($profile->id, $size, $mediatype, $filename); + } + } + } +} + +function getMediatype($ext) +{ + $mediatype = null; + + switch (strtolower($ext)) { + case 'jpg': + $mediatype = 'image/jpg'; + break; + case 'gif': + $mediatype = 'image/gif'; + break; + default: + $mediatype = 'image/png'; + } + + return $mediatype; +} + +function saveAvatars($user, $id) +{ + $path_parts = pathinfo($user->profile_image_url); + $ext = $path_parts['extension']; + $end = strlen('_normal' . $ext); + $img_root = substr($path_parts['basename'], 0, -($end+1)); + $mediatype = getMediatype($ext); + + foreach (array('mini', 'normal', 'bigger') as $size) { + $url = $path_parts['dirname'] . '/' . + $img_root . '_' . $size . ".$ext"; + $filename = 'Twitter_' . $user->id . '_' . + $img_root . "_$size.$ext"; + + if (fetchAvatar($url, $filename)) { + newAvatar($id, $size, $mediatype, $filename); + } else { + common_log(LOG_WARNING, "Problem fetching Avatar: $url", __FILE__); + if (defined('SCRIPT_DEBUG')) { + print "Problem fetching Avatar: $url\n"; + } + } + } +} + +function updateAvatar($profile_id, $size, $mediatype, $filename) { + + common_debug("updating avatar: $size"); + + $profile = Profile::staticGet($profile_id); + + if (!$profile) { + common_debug("Couldn't get profile: $profile_id!"); + if (defined('SCRIPT_DEBUG')) { + print "Couldn't get profile: $profile_id!\n"; + } + return; + } + + $sizes = array('mini' => 24, 'normal' => 48, 'bigger' => 73); + $avatar = $profile->getAvatar($sizes[$size]); + + if ($avatar) { + common_debug("Deleting $size avatar for $profile->nickname."); + @unlink(INSTALLDIR . '/avatar/' . $avatar->filename); + $avatar->delete(); + } + + newAvatar($profile->id, $size, $mediatype, $filename); +} + +function newAvatar($profile_id, $size, $mediatype, $filename) +{ + $avatar = new Avatar(); + $avatar->profile_id = $profile_id; + + switch($size) { + case 'mini': + $avatar->width = 24; + $avatar->height = 24; + break; + case 'normal': + $avatar->width = 48; + $avatar->height = 48; + break; + default: + + // Note: Twitter's big avatars are a different size than + // Laconica's (Laconica's = 96) + + $avatar->width = 73; + $avatar->height = 73; + } + + $avatar->original = 0; // we don't have the original + $avatar->mediatype = $mediatype; + $avatar->filename = $filename; + $avatar->url = Avatar::url($filename); + + common_debug("new filename: $avatar->url"); + + $avatar->created = common_sql_now(); + + $id = $avatar->insert(); + + if (!$id) { + common_log_db_error($avatar, 'INSERT', __FILE__); + if (defined('SCRIPT_DEBUG')) { + print "Could not insert avatar!\n"; + } + + return null; + } + + common_debug("Saved new $size avatar for $profile_id."); + + return $id; +} + +function fetchAvatar($url, $filename) +{ + $avatar_dir = INSTALLDIR . '/avatar/'; + + $avatarfile = $avatar_dir . $filename; + + $out = fopen($avatarfile, 'wb'); + if (!$out) { + common_log(LOG_WARNING, "Couldn't open file $filename", __FILE__); + if (defined('SCRIPT_DEBUG')) { + print "Couldn't open file! $filename\n"; + } + return false; + } + + common_debug("Fetching avatar: $url", __FILE__); + if (defined('SCRIPT_DEBUG')) { + print "Fetching avatar from Twitter: $url\n"; + } + + $ch = curl_init(); + curl_setopt($ch, CURLOPT_URL, $url); + curl_setopt($ch, CURLOPT_FILE, $out); + curl_setopt($ch, CURLOPT_BINARYTRANSFER, true); + curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true); + curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 0); + $result = curl_exec($ch); + curl_close($ch); + + fclose($out); + + return $result; +} |