Facebook Code

I don’t post stuff about programming, but I will this one time. Here is the facebook source code.

include_once $_SERVER['PHP_ROOT'].’/html/init.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/home.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/requests.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/feed/newsfeed.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/poke.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/share.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/orientation.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/feed/newsfeed.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/mobile/register.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/forms_lib.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/contact_importer/contact_importer.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/feed/util.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/hiding_prefs.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/abtesting.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/friends.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/statusupdates.php’;

 

// lib/display/feed.php has to be declared here for scope issues.

// This keeps display/feed.php cleaner and easier to understand.

include_once $_SERVER['PHP_ROOT'].’/lib/display/feed.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/monetization_box.php’;

 

// require login

$user = require_login();

print_time(‘require_login’);

param_request(array( ‘react’ => $PARAM_EXISTS));

 

// Check and fix broken emails

// LN – disabling due to excessive can_see dirties and sets when enabled.

//check_and_fix_broken_emails($user);

 

// migrate AIM screenname from profile to screenname table if needed

migrate_screenname ($user);

 

// homepage announcement variables

$HIDE_ANNOUNCEMENT_BIT = get_site_variable(‘HIDE_ANNOUNCEMENT_BIT’);

$HIDE_INTRO_BITMASK = get_site_variable(‘HIDE_INTRO_BITMASK’);

 

// redirects

if (is_sponsor_user()) {

redirect(‘bizhome.php’, ‘www’);

}

 

include_once $_SERVER['PHP_ROOT'].’/lib/mesg.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/invitetool.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/grammar.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/securityq.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/events.php’;

include_once $_SERVER['PHP_ROOT'].’/lib/rooster/stories.php’;

 

// todo: password confirmation redirects here (from html/reset.php),

// do we want a confirmation message?

 

param_get_slashed(array(

‘feeduser’ => $PARAM_INT, //debug: gets feed for user here

‘err’ => $PARAM_STRING, // returning from a failed entry on an orientation form

‘error’ => $PARAM_STRING, // an error can also be here because the profile photo upload code is crazy

‘ret’ => $PARAM_INT,

’success’ => $PARAM_INT, // successful profile picture upload

‘jn’ => $PARAM_INT, // joined a network for orientation

‘np’ => $PARAM_INT, // network pending (for work/address network)

‘me’ => $PARAM_STRING, // mobile error

‘mr’ => $PARAM_EXISTS, // force mobile reg view

‘mobile’ => $PARAM_EXISTS, // mobile confirmation code sent

‘jif’ => $PARAM_EXISTS, // just imported friends

‘ied’ => $PARAM_STRING, // import email domain

‘o’ => $PARAM_EXISTS, // first time orientation, passed on confirm

‘verified’ => $PARAM_EXISTS)); // verified mobile phone

 

param_post(array(

‘leave_orientation’ => $PARAM_EXISTS,

’show_orientation’ => $PARAM_INT, // show an orientation step

‘hide_orientation’ => $PARAM_INT)); // skip an orientation step

 

// homepage actions

if ($req_react && validate_expiring_hash($req_react, $GLOBALS['url_md5key'])) {

$show_reactivated_message = true;

} else {

$show_reactivated_message = false;

}

tpl_set(’show_reactivated_message’, $show_reactivated_message);

 

 

// upcoming events

events_check_future_events($user); // make sure big tunas haven’t moved around

$upcoming_events = events_get_imminent_for_user($user);

 

// this is all stuff that can be fetched together!

$upcoming_events_short = array();

obj_multiget_short(array_keys($upcoming_events), true, $upcoming_events_short);

$new_pokes = 0;

//only get the next N pokes for display

//where N is set in the dbget to avoid caching issues

$poke_stats = get_num_pokes($user);

get_next_pokes($user, true, $new_pokes);

$poke_count = $poke_stats['unseen'];

 

$targeted_data = array();

home_get_cache_targeted_data($user, true, $targeted_data);

$announcement_data = array();

home_get_cache_announcement_data($user, true, $announcement_data);

$orientation = 0;

orientation_get_status($user, true, $orientation);

$short_profile = array();

profile_get_short($user, true, $short_profile);

// pure priming stuff

privacy_get_network_settings($user, true);

$presence = array();

mobile_get_presence_data($user, true, $presence);

feedback_get_event_weights($user, true);

// Determine if we want to display the feed intro message

$intro_settings = 0;

user_get_hide_intro_bitmask($user, true, $intro_settings);

$user_friend_finder = true;

contact_importer_get_used_friend_finder($user, true, $used_friend_finder);

$all_requests = requests_get_cache_data($user);

// FIXME?: is it sub-optimal to call this both in requests_get_cache_data and here?

$friends_status = statusupdates_get_recent($user, null, 3);

memcache_dispatch(); // populate cache data

 

// Merman’s Admin profile always links to the Merman’s home

if (user_has_obj_attached($user)) {

redirect(‘mhome.php’, ‘www’);

}

 

if (is_array($upcoming_events)) {

foreach ($upcoming_events as $event_id => $data) {

$upcoming_events[$event_id]['name'] = txt_set($upcoming_events_short[$event_id]['name']);

}

}

 

tpl_set(‘upcoming_events’ , $upcoming_events);

 

// disabled account actions

$disabled_warning = ((IS_DEV_SITE || IS_QA_SITE) && is_disabled_user($user));

tpl_set(‘disabled_warning’, $disabled_warning);

 

// new pokes (no more messages here, they are in the top nav!)

if (!user_is_guest($user)) {

tpl_set(‘poke_count’ , $poke_count);

tpl_set(‘pokes’ , $new_pokes);

}

 

// get announcement computations

tpl_set(‘targeted_data’ , $targeted_data);

tpl_set(‘announcement_data’ , $announcement_data);

 

 

// birthday notifications

tpl_set(‘birthdays’ , $birthdays = user_get_birthday_notifications($user, $short_profile));

tpl_set(’show_birthdays’ , $show_birthdays = (count($birthdays) || !$orientation));

 

// user info

tpl_set(‘first_name’ , user_get_first_name(txt_set($short_profile['id'])));

tpl_set(‘user’ , $user);

 

// decide if there are now any requests to show

$show_requests = false;

foreach ($all_requests as $request_category) {

if ($request_category) {

$show_requests = true;

break;

}

}

tpl_set(‘all_requests’, $show_requests ? $all_requests : null);

 

$permissions = privacy_get_reduced_network_permissions($user, $user);

 

// status

$user_info = array(‘user’ => $user,

‘firstname’ => user_get_first_name($user),

’see_all’ => ‘/statusupdates/?ref=hp’,

‘profile_pic’ => make_profile_image_src_direct($user, ‘thumb’),

’square_pic’ => make_profile_image_src_direct($user, ’square’));

 

if (!empty($presence) && $presence['status_time'] > (time() – 60*60*24*7)) {

$status = array(‘message’ => txt_set($presence['status']),

‘time’ => $presence['status_time'],

’source’ => $presence['status_source']);

} else {

$status = array(‘message’ => null, ‘time’ => null, ’source’ => null);

}

tpl_set(‘user_info’, $user_info);

 

tpl_set(’show_status’, $show_status = !$orientation);

tpl_set(’status’, $status);

tpl_set(’status_custom’, $status_custom = mobile_get_status_custom($user));

tpl_set(‘friends_status’, $friends_status);

 

// orientation

if ($orientation) {

if ($post_leave_orientation) {

orientation_update_status($user, $orientation, 2);

notification_notify_exit_orientation($user);

dirty_user($user);

redirect(‘home.php’);

} else if (orientation_eligible_exit(array(‘uid’=>$user)) == 2) {

orientation_update_status($user, $orientation, 1);

notification_notify_exit_orientation($user);

dirty_user($user);

redirect(‘home.php’);

}

}

 

// timezone – outside of stealth, update user’s timezone if necessary

$set_time = !user_is_alpha($user, ’stealth’);

tpl_set(‘timezone_autoset’, $set_time );

if ($set_time) {

$daylight_savings = get_site_variable(‘DAYLIGHT_SAVINGS_ON’);

tpl_set(‘timezone’, $short_profile['timezone'] – ($daylight_savings ? 4 : 5) );

}

 

// set next step if we can

if (!$orientation) {

user_set_next_step($user, $short_profile);

}

 

// note: don’t make this an else with the above statement, because then no news feed stories will be fetched if they’re exiting orientation

if ($orientation) {

extract(orientation_get_const());

 

require_js(‘js/dynamic_dialog.js’);

require_js(‘js/suggest.js’);

require_js(‘js/typeahead_ns.js’);

require_js(‘js/suggest.js’);

require_js(‘js/editregion.js’);

require_js(‘js/orientation.js’);

require_css(‘css/typeahead.css’);

require_css(‘css/editor.css’);

 

if ($post_hide_orientation && $post_hide_orientation <= $ORIENTATION_MAX) {

$orientation['orientation_bitmask'] |= ($post_hide_orientation * $ORIENTATION_SKIPPED_MODIFIER);

orientation_update_status($user, $orientation);

} else if ($post_show_orientation && $post_show_orientation <= $ORIENTATION_MAX) {

$orientation['orientation_bitmask'] &= ~($post_show_orientation * $ORIENTATION_SKIPPED_MODIFIER);

orientation_update_status($user, $orientation);

}

 

$stories = orientation_get_stories($user, $orientation);

switch ($get_err) {

case $ORIENTATION_ERR_COLLEGE:

$temp = array(); // the affil_retval_msg needs some parameters won’t be used

$stories[$ORIENTATION_NETWORK]['failed_college']=affil_retval_msg($get_ret, $temp, $temp);

break;

case $ORIENTATION_ERR_CORP:

$temp = array();

// We special case the network not recognized error here, because affil_retval_msg is retarded.

$stories[$ORIENTATION_NETWORK]['failed_corp'] = ($get_ret == 70) ? ‘The email you entered did not match any of our supported networks. ‘ .

‘Click here to see our supported list. ‘ .

‘Go here to suggest your network for the future.’

: affil_retval_msg($get_ret, $temp, $temp);

break;

}

 

// photo upload error

if ($get_error) {

$stories[$ORIENTATION_ORDER[$ORIENTATION_PROFILE]]['upload_error'] = pic_get_error_text($get_error);

}

// photo upload success

else if ($get_success == 1) {

$stories[$ORIENTATION_ORDER[$ORIENTATION_PROFILE]]['uploaded_pic'] = true;

// join network success

} else if ($get_jn) {

$stories[$ORIENTATION_ORDER[$ORIENTATION_NETWORK]]['joined'] = array(

‘id’ => $get_jn,

‘name’ => network_get_name($get_jn));

// network join pending

} else if ($get_np) {

 

$stories[$ORIENTATION_ORDER[$ORIENTATION_NETWORK]]['join_pending'] = array(

‘id’ => $get_np,

‘email’ => get_affil_email_conf($user, $get_np),

‘network’ => network_get_name($get_np));

// just imported friend confirmation

} else if ($get_jif) {

$stories[$ORIENTATION_ORDER[$ORIENTATION_NETWORK]]['just_imported_friends'] = true;

$stories[$ORIENTATION_ORDER[$ORIENTATION_NETWORK]]['domain'] = $get_ied;

}

 

// Mobile web API params

if ($get_mobile) {

$stories[$ORIENTATION_ORDER[$ORIENTATION_MOBILE]]['sent_code'] = true;

$stories[$ORIENTATION_ORDER[$ORIENTATION_MOBILE]]['view'] = ‘confirm’;

}

if ($get_verified) {

$stories[$ORIENTATION_ORDER[$ORIENTATION_MOBILE]]['verified'] = true;

}

if ($get_me) {

$stories[$ORIENTATION_ORDER[$ORIENTATION_MOBILE]]['error'] = $get_me;

}

if ($get_mr) {

$stories[$ORIENTATION_ORDER[$ORIENTATION_MOBILE]]['view'] = ‘register’;

}

 

if (orientation_eligible_exit($orientation)) {

tpl_set(‘orientation_show_exit’, true);

}

tpl_set(‘orientation_stories’, $stories);

 

//if in orientation, we hide all feed intros (all 1’s in bitmask)

$intro_settings = -1;

 

}

tpl_set(‘orientation’, $orientation);

 

// Rooster Stories

if (!$orientation &&

((get_site_variable(‘ROOSTER_ENABLED’) == 2) ||

(get_site_variable(‘ROOSTER_DEV_ENABLED’) == 2))) {

$rooster_story_count = get_site_variable(‘ROOSTER_STORY_COUNT’);

if (!isset($rooster_story_count)) {

// Set default if something is wrong with the sitevar

$rooster_story_count = 2;

}

$rooster_stories = rooster_get_stories($user, $rooster_story_count, $log_omissions = true);

if (!empty($rooster_stories) && !empty($rooster_stories['stories'])) {

// Do page-view level logging here

foreach($rooster_stories['stories'] as $story) {

rooster_log_action($user, $story, ROOSTER_LOG_ACTION_VIEW);

}

tpl_set(‘rooster_stories’, $rooster_stories);

}

}

 

// set the variables for the home announcement code

$hide_announcement_tpl = ($intro_settings | $HIDE_INTRO_BITMASK) & $HIDE_ANNOUNCEMENT_BIT;

// if on qa/dev site, special rules

$HIDE_INTRO_ON_DEV = get_site_variable(‘HIDE_INTRO_ON_DEV’);

if ((IS_QA_SITE || IS_DEV_SITE) && !$HIDE_INTRO_ON_DEV) {

$hide_announcement_tpl = 0;

}

 

tpl_set(‘hide_announcement’, $hide_announcement_tpl);

if($is_candidate = is_candidate_user($user)) {

tpl_set(‘hide_announcement’, false);

}

$home_announcement_tpl = !$hide_announcement_tpl || $is_candidate ? home_get_announcement_info($user) : 0;

tpl_set(‘home_announcement’, $home_announcement_tpl);

tpl_set(‘hide_announcement_bit’, $HIDE_ANNOUNCEMENT_BIT);

 

$show_friend_finder = !$orientation && contact_importer_enabled($user) && !user_get_hiding_pref($user, ‘home_friend_finder’);

tpl_set(’show_friend_finder’, $show_friend_finder);

if ($show_friend_finder && (user_get_friend_count($user) > 20)) {

tpl_set(‘friend_finder_hide_options’, array(‘text’=>’close’,

‘onclick’=>”return clearFriendFinder()”));

} else {

tpl_set(‘friend_finder_hide_options’, null);

}

 

$account_info = user_get_account_info($user);

$account_create_time = $account_info['time'];

 

tpl_set(’show_friend_finder_top’,

!$used_friend_finder);

 

tpl_set(‘user’, $user);

 

 

// MONETIZATION BOX

$minimize_monetization_box = user_get_hiding_pref($user, ‘home_monetization’);

$show_monetization_box = (!$orientation &&

get_site_variable(‘HOMEPAGE_MONETIZATION_BOX’));

tpl_set(’show_monetization_box’, $show_monetization_box);

tpl_set(‘minimize_monetization_box’, $minimize_monetization_box);

 

if ($show_monetization_box) {

$monetization_box_data = monetization_box_user_get_data($user);

txt_set(‘monetization_box_data’, $monetization_box_data);

}

 

 

// ORIENTATION

if ($orientation) {

$network_ids = id_get_networks($user);

$network_names = multiget_network_name($network_ids);

$in_corp_network = in_array($GLOBALS['TYPE_CORP'], array_map(‘extract_network_type’, $network_ids));

$show_corp_search = $in_corp_network ||

get_age(user_get_basic_info_attr($user, ‘birthday’)) >= 21;

$pending_hs = is_hs_pending_user($user);

$hs_id = null;

$hs_name = null;

if ($pending_hs) {

foreach (id_get_pending_networks($user) as $network) {

if (extract_network_type($network['network_key']) == $GLOBALS['TYPE_HS']) {

$hs_id = $network['network_key'];

$hs_name = network_get_name($hs_id);

break;

}

}

}

//$orientation_people = orientation_get_friend_and_inviter_ids($user);

$orientation_people = array(‘friends’ => user_get_all_friends($user),

‘pending’ => array_keys(user_get_friend_requests($user)),

‘inviters’=> array(), // wc: don’t show inviters for now

);

$orientation_info = array_merge($orientation_people,

array(‘network_names’ => $network_names,

’show_corp_search’ => $show_corp_search,

‘pending_hs’ => array(‘hs_id’=>$hs_id,

‘hs_name’=>$hs_name),

‘user’ => $user,

));

tpl_set(‘orientation_info’, $orientation_info);

 

tpl_set(’simple_orientation_first_login’, $get_o); // unused right now

}

 

 

// Roughly determine page length for ads

// first, try page length using right-hand panel

$ads_page_length_data = 3 + // 3 for profile pic + next step

($show_friend_finder ? 1 : 0) +

($show_status ? ($status_custom ? count($friends_status) : 0) : 0) +

($show_monetization_box ? 1 : 0) +

($show_birthdays ? count($birthdays) : 0) +

count($new_pokes);

 

// page length using feed stories

if ($orientation) {

$ads_page_length_data = max($ads_page_length_data, count($stories) * 5);

}

tpl_set(‘ads_page_length_data’, $ads_page_length_data);

 

$feed_stories = null;

if (!$orientation) { // if they’re not in orientation they get other cool stuff

// ad_insert: the ad type to try to insert for the user

// (0 if we don’t want to try an insert)

$ad_insert = get_site_variable(‘FEED_ADS_ENABLE_INSERTS’);

 

$feed_off = false;

 

if (check_super($user) && $get_feeduser){

$feed_stories = user_get_displayable_stories($get_feeduser, 0, null, $ad_insert);

} else if (can_see($user, $user, ‘feed’)) {

$feed_stories = user_get_displayable_stories($user, 0, null, $ad_insert);

} else {

$feed_off = true;

}

 

// Friend’s Feed Selector – Requires dev.php constant

if (is_friendfeed_user($user)) {

$friendfeed = array();

$friendfeed['feeduser'] = $get_feeduser;

$friendfeed['feeduser_name'] = user_get_name($get_feeduser);

$friendfeed['friends'] = user_get_all_friends($user);

tpl_set(‘friendfeed’, $friendfeed);

}

 

$feed_stories = feed_adjust_timezone($user, $feed_stories);

 

tpl_set(‘feed_off’, $feed_off ? redirect(‘privacy.php?view=feeds’, null, false) : false);

}

tpl_set(‘feed_stories’, $feed_stories);

 

render_template($_SERVER['PHP_ROOT'].’/html/home.phpt’);