include/security.php

   1 <?php
   2
   3 function authenticate_success($user_record, $login_initial = false, $interactive = false) {
   4
   5         $a = get_app();
   6
   7         $_SESSION['uid'] = $user_record['uid'];
   8         $_SESSION['theme'] = $user_record['theme'];
   9         $_SESSION['authenticated'] = 1;
  10         $_SESSION['page_flags'] = $user_record['page-flags'];
  11         $_SESSION['my_url'] = $a->get_baseurl() . '/profile/' . $user_record['nickname'];
  12         $_SESSION['addr'] = $_SERVER['REMOTE_ADDR'];
  13
  14         $a->user = $user_record;
  15
  16         if($interactive) {
  17                 if($a->user['login_date'] === '0000-00-00 00:00:00') {
  18                         $_SESSION['return_url'] = 'profile_photo/new';
  19                         $a->module = 'profile_photo';
  20                         info( t("Welcome ") . $a->user['username'] . EOL);
  21                         info( t('Please upload a profile photo.') . EOL);
  22                 }
  23                 else
  24                         info( t("Welcome back ") . $a->user['username'] . EOL);
  25         }
  26
  27         $member_since = strtotime($a->user['register_date']);
  28         if(time() < ($member_since + ( 60 * 60 * 24 * 14)))
  29                 $_SESSION['new_member'] = true;
  30         else
  31                 $_SESSION['new_member'] = false;
  32         if(strlen($a->user['timezone'])) {
  33                 date_default_timezone_set($a->user['timezone']);
  34                 $a->timezone = $a->user['timezone'];
  35         }
  36
  37         $master_record = $a->user;
  38
  39         if((x($_SESSION,'submanage')) && intval($_SESSION['submanage'])) {
  40                 $r = q("select * from user where uid = %d limit 1",
  41                         intval($_SESSION['submanage'])
  42                 );
  43                 if(count($r))
  44                         $master_record = $r[0];
  45         }
  46
  47         $r = q("SELECT `uid`,`username`,`nickname` FROM `user` WHERE `password` = '%s' AND `email` = '%s'",
  48                 dbesc($master_record['password']),
  49                 dbesc($master_record['email'])
  50         );
  51         if($r && count($r))
  52                 $a->identities = $r;
  53         else
  54                 $a->identities = array();
  55
  56         $r = q("select `user`.`uid`, `user`.`username`, `user`.`nickname`
  57                 from manage left join user on manage.mid = user.uid
  58                 where `manage`.`uid` = %d",
  59                 intval($master_record['uid'])
  60         );
  61         if($r && count($r))
  62                 $a->identities = array_merge($a->identities,$r);
  63
  64         if($login_initial)
  65                 logger('auth_identities: ' . print_r($a->identities,true), LOGGER_DEBUG);
  66
  67         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  68                 intval($_SESSION['uid']));
  69         if(count($r)) {
  70                 $a->contact = $r[0];
  71                 $a->cid = $r[0]['id'];
  72                 $_SESSION['cid'] = $a->cid;
  73         }
  74
  75         header('X-Account-Management-Status: active; name="' . $a->user['username'] . '"; id="' . $a->user['nickname'] .'"');
  76
  77         if($login_initial) {
  78                 $l = get_language();
  79
  80                 q("UPDATE `user` SET `login_date` = '%s', `language` = '%s' WHERE `uid` = %d LIMIT 1",
  81                         dbesc(datetime_convert()),
  82                         dbesc($l),
  83                         intval($_SESSION['uid'])
  84                 );
  85
  86                 call_hooks('logged_in', $a->user);
  87
  88                 if(($a->module !== 'home') && isset($_SESSION['return_url']))
  89                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
  90         }
  91
  92 }
  93
  94
  95
  96 function can_write_wall(&$a,$owner) {
  97
  98         static $verified = 0;
  99
 100         if((! (local_user())) && (! (remote_user())))
 101                 return false;
 102
 103         $uid = local_user();
 104
 105         if(($uid) && ($uid == $owner)) {
 106                 return true;
 107         }
 108
 109         if(remote_user()) {
 110
 111                 // user remembered decision and avoid a DB lookup for each and every display item
 112                 // DO NOT use this function if there are going to be multiple owners
 113
 114                 if($verified === 2)
 115                         return true;
 116                 elseif($verified === 1)
 117                         return false;
 118                 else {
 119                         $r = q("SELECT `contact`.*, `user`.`page-flags` FROM `contact` LEFT JOIN `user` on `user`.`uid` = `contact`.`uid`
 120                                 WHERE `contact`.`uid` = %d AND `contact`.`id` = %d AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
 121                                 AND `user`.`blockwall` = 0 AND `readonly` = 0  AND ( `contact`.`rel` IN ( %d , %d ) OR `user`.`page-flags` = %d ) LIMIT 1",
 122                                 intval($owner),
 123                                 intval(remote_user()),
 124                                 intval(CONTACT_IS_SHARING),
 125                                 intval(CONTACT_IS_FRIEND),
 126                                 intval(PAGE_COMMUNITY)
 127                         );
 128                         if(count($r)) {
 129                                 $verified = 2;
 130                                 return true;
 131                         }
 132                         else {
 133                                 $verified = 1;
 134                         }
 135                 }
 136         }
 137
 138         return false;
 139 }
 140
 141
 142 function permissions_sql($owner_id,$remote_verified = false,$groups = null) {
 143
 144         $local_user = local_user();
 145         $remote_user = remote_user();
 146
 147         /**
 148          * Construct permissions
 149          *
 150          * default permissions - anonymous user
 151          */
 152
 153         $sql = " AND allow_cid = ''
 154                          AND allow_gid = ''
 155                          AND deny_cid  = ''
 156                          AND deny_gid  = ''
 157         ";
 158
 159         /**
 160          * Profile owner - everything is visible
 161          */
 162
 163         if(($local_user) && ($local_user == $owner_id)) {
 164                 $sql = '';
 165         }
 166
 167         /**
 168          * Authenticated visitor. Unless pre-verified,
 169          * check that the contact belongs to this $owner_id
 170          * and load the groups the visitor belongs to.
 171          * If pre-verified, the caller is expected to have already
 172          * done this and passed the groups into this function.
 173          */
 174
 175         elseif($remote_user) {
 176
 177                 if(! $remote_verified) {
 178                         $r = q("SELECT id FROM contact WHERE id = %d AND uid = %d AND blocked = 0 LIMIT 1",
 179                                 intval($remote_user),
 180                                 intval($owner_id)
 181                         );
 182                         if(count($r)) {
 183                                 $remote_verified = true;
 184                                 $groups = init_groups_visitor($remote_user);
 185                         }
 186                 }
 187                 if($remote_verified) {
 188
 189                         $gs = '<<>>'; // should be impossible to match
 190
 191                         if(is_array($groups) && count($groups)) {
 192                                 foreach($groups as $g)
 193                                         $gs .= '|<' . intval($g) . '>';
 194                         }
 195
 196                         $sql = sprintf(
 197                                 " AND ( allow_cid = '' OR allow_cid REGEXP '<%d>' )
 198                                   AND ( deny_cid  = '' OR  NOT deny_cid REGEXP '<%d>' )
 199                                   AND ( allow_gid = '' OR allow_gid REGEXP '%s' )
 200                                   AND ( deny_gid  = '' OR NOT deny_gid REGEXP '%s')
 201                                 ",
 202                                 intval($remote_user),
 203                                 intval($remote_user),
 204                                 dbesc($gs),
 205                                 dbesc($gs)
 206                         );
 207                 }
 208         }
 209         return $sql;
 210 }