include/Contact.php

   1 <?php
   2
   3
   4 // Included here for completeness, but this is a very dangerous operation.
   5 // It is the caller's responsibility to confirm the requestor's intent and
   6 // authorisation to do this.
   7
   8 function user_remove($uid) {
   9         if(! $uid)
  10                 return;
  11         $a = get_app();
  12         logger('Removing user: ' . $uid);
  13
  14         $r = q("select * from user where uid = %d limit 1", intval($uid));
  15
  16         call_hooks('remove_user',$r[0]);
  17
  18         // save username (actually the nickname as it is guaranteed
  19         // unique), so it cannot be re-registered in the future.
  20
  21         q("insert into userd ( username ) values ( '%s' )",
  22                 $r[0]['nickname']
  23         );
  24
  25         // don't delete yet, will be done later when contacts have deleted my stuff
  26         // q("DELETE FROM `contact` WHERE `uid` = %d", intval($uid));
  27         q("DELETE FROM `gcign` WHERE `uid` = %d", intval($uid));
  28         q("DELETE FROM `group` WHERE `uid` = %d", intval($uid));
  29         q("DELETE FROM `group_member` WHERE `uid` = %d", intval($uid));
  30         q("DELETE FROM `intro` WHERE `uid` = %d", intval($uid));
  31         q("DELETE FROM `event` WHERE `uid` = %d", intval($uid));
  32         q("DELETE FROM `item` WHERE `uid` = %d", intval($uid));
  33         q("DELETE FROM `item_id` WHERE `uid` = %d", intval($uid));
  34         q("DELETE FROM `mail` WHERE `uid` = %d", intval($uid));
  35         q("DELETE FROM `mailacct` WHERE `uid` = %d", intval($uid));
  36         q("DELETE FROM `manage` WHERE `uid` = %d", intval($uid));
  37         q("DELETE FROM `notify` WHERE `uid` = %d", intval($uid));
  38         q("DELETE FROM `photo` WHERE `uid` = %d", intval($uid));
  39         q("DELETE FROM `attach` WHERE `uid` = %d", intval($uid));
  40         q("DELETE FROM `profile` WHERE `uid` = %d", intval($uid));
  41         q("DELETE FROM `profile_check` WHERE `uid` = %d", intval($uid));
  42         q("DELETE FROM `pconfig` WHERE `uid` = %d", intval($uid));
  43         q("DELETE FROM `search` WHERE `uid` = %d", intval($uid));
  44         q("DELETE FROM `spam` WHERE `uid` = %d", intval($uid));
  45         // don't delete yet, will be done later when contacts have deleted my stuff
  46         // q("DELETE FROM `user` WHERE `uid` = %d", intval($uid));
  47         q("UPDATE `user` SET `account_removed` = 1, `account_expires_on` = UTC_TIMESTAMP() WHERE `uid` = %d", intval($uid));
  48         proc_run('php', "include/notifier.php", "removeme", $uid);
  49
  50         // Send an update to the directory
  51         proc_run('php', "include/directory.php", $r[0]['url']);
  52
  53         if($uid == local_user()) {
  54                 unset($_SESSION['authenticated']);
  55                 unset($_SESSION['uid']);
  56                 goaway($a->get_baseurl());
  57         }
  58 }
  59
  60
  61 function contact_remove($id) {
  62
  63         $r = q("select uid from contact where id = %d limit 1",
  64                 intval($id)
  65         );
  66         if((! count($r)) || (! intval($r[0]['uid'])))
  67                 return;
  68
  69         $archive = get_pconfig($r[0]['uid'], 'system','archive_removed_contacts');
  70         if($archive) {
  71                 q("update contact set `archive` = 1, `network` = 'none', `writable` = 0 where id = %d",
  72                         intval($id)
  73                 );
  74                 return;
  75         }
  76
  77         q("DELETE FROM `contact` WHERE `id` = %d",
  78                 intval($id)
  79         );
  80         q("DELETE FROM `item` WHERE `contact-id` = %d ",
  81                 intval($id)
  82         );
  83         q("DELETE FROM `photo` WHERE `contact-id` = %d ",
  84                 intval($id)
  85         );
  86         q("DELETE FROM `mail` WHERE `contact-id` = %d ",
  87                 intval($id)
  88         );
  89         q("DELETE FROM `event` WHERE `cid` = %d ",
  90                 intval($id)
  91         );
  92         q("DELETE FROM `queue` WHERE `cid` = %d ",
  93                 intval($id)
  94         );
  95
  96 }
  97
  98
  99 // sends an unfriend message. Does not remove the contact
 100
 101 function terminate_friendship($user,$self,$contact) {
 102
 103
 104         $a = get_app();
 105
 106         require_once('include/datetime.php');
 107
 108         if($contact['network'] === NETWORK_OSTATUS) {
 109
 110                 $slap = replace_macros(get_markup_template('follow_slap.tpl'), array(
 111                         '$name' => $user['username'],
 112                         '$profile_page' => $a->get_baseurl() . '/profile/' . $user['nickname'],
 113                         '$photo' => $self['photo'],
 114                         '$thumb' => $self['thumb'],
 115                         '$published' => datetime_convert('UTC','UTC', 'now', ATOM_TIME),
 116                         '$item_id' => 'urn:X-dfrn:' . $a->get_hostname() . ':unfollow:' . get_guid(32),
 117                         '$title' => '',
 118                         '$type' => 'text',
 119                         '$content' => t('stopped following'),
 120                         '$nick' => $user['nickname'],
 121                         '$verb' => 'http://ostatus.org/schema/1.0/unfollow', // ACTIVITY_UNFOLLOW,
 122                         '$ostat_follow' => '' // '<as:verb>http://ostatus.org/schema/1.0/unfollow</as:verb>' . "\r\n"
 123                 ));
 124
 125                 if((x($contact,'notify')) && (strlen($contact['notify']))) {
 126                         require_once('include/salmon.php');
 127                         slapper($user,$contact['notify'],$slap);
 128                 }
 129         }
 130         elseif($contact['network'] === NETWORK_DIASPORA) {
 131                 require_once('include/diaspora.php');
 132                 diaspora_unshare($user,$contact);
 133         }
 134         elseif($contact['network'] === NETWORK_DFRN) {
 135                 require_once('include/items.php');
 136                 dfrn_deliver($user,$contact,'placeholder', 1);
 137         }
 138
 139 }
 140
 141
 142 // Contact has refused to recognise us as a friend. We will start a countdown.
 143 // If they still don't recognise us in 32 days, the relationship is over,
 144 // and we won't waste any more time trying to communicate with them.
 145 // This provides for the possibility that their database is temporarily messed
 146 // up or some other transient event and that there's a possibility we could recover from it.
 147
 148 if(! function_exists('mark_for_death')) {
 149 function mark_for_death($contact) {
 150
 151         if($contact['archive'])
 152                 return;
 153
 154         if($contact['term-date'] == '0000-00-00 00:00:00') {
 155                 q("UPDATE `contact` SET `term-date` = '%s' WHERE `id` = %d",
 156                                 dbesc(datetime_convert()),
 157                                 intval($contact['id'])
 158                 );
 159         }
 160         else {
 161
 162                 // TODO: We really should send a notification to the owner after 2-3 weeks
 163                 // so they won't be surprised when the contact vanishes and can take
 164                 // remedial action if this was a serious mistake or glitch
 165
 166                 $expiry = $contact['term-date'] . ' + 32 days ';
 167                 if(datetime_convert() > datetime_convert('UTC','UTC',$expiry)) {
 168
 169                         // relationship is really truly dead.
 170                         // archive them rather than delete
 171                         // though if the owner tries to unarchive them we'll start the whole process over again
 172
 173                         q("update contact set `archive` = 1 where id = %d",
 174                                 intval($contact['id'])
 175                         );
 176                         q("UPDATE `item` SET `private` = 2 WHERE `contact-id` = %d AND `uid` = %d", intval($contact['id']), intval($contact['uid']));
 177
 178                         //contact_remove($contact['id']);
 179
 180                 }
 181         }
 182
 183 }}
 184
 185 if(! function_exists('unmark_for_death')) {
 186 function unmark_for_death($contact) {
 187         // It's a miracle. Our dead contact has inexplicably come back to life.
 188         q("UPDATE `contact` SET `term-date` = '%s' WHERE `id` = %d",
 189                 dbesc('0000-00-00 00:00:00'),
 190                 intval($contact['id'])
 191         );
 192 }}
 193
 194 function get_contact_details_by_url($url, $uid = -1) {
 195         require_once("mod/proxy.php");
 196         require_once("include/bbcode.php");
 197
 198         if ($uid == -1)
 199                 $uid = local_user();
 200
 201         $r = q("SELECT `id` AS `gid`, `url`, `name`, `nick`, `addr`, `photo`, `location`, `about`, `keywords`, `gender`, `community`, `network` FROM `gcontact` WHERE `nurl` = '%s' LIMIT 1",
 202                 dbesc(normalise_link($url)));
 203
 204         if ($r) {
 205                 $profile = $r[0];
 206
 207                 if ((($profile["addr"] == "") OR ($profile["name"] == "")) AND
 208                         in_array($profile["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)))
 209                         proc_run('php',"include/update_gcontact.php", $profile["gid"]);
 210
 211         } else {
 212                 $r = q("SELECT `url`, `name`, `nick`, `avatar` AS `photo`, `location`, `about` FROM `unique_contacts` WHERE `url` = '%s'",
 213                         dbesc(normalise_link($url)));
 214
 215                 if (count($r)) {
 216                         $profile = $r[0];
 217                         $profile["keywords"] = "";
 218                         $profile["gender"] = "";
 219                         $profile["community"] = false;
 220                         $profile["network"] = "";
 221                         $profile["addr"] = "";
 222                 }
 223         }
 224
 225         // Fetching further contact data from the contact table
 226         $r = q("SELECT `id`, `uid`, `url`, `network`, `name`, `nick`, `addr`, `location`, `about`, `keywords`, `gender`, `photo`, `addr`, `forum`, `prv`, `bd` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d AND `network` = '%s'",
 227                 dbesc(normalise_link($url)), intval($uid), dbesc($profile["network"]));
 228
 229         if (!count($r))
 230                 $r = q("SELECT `id`, `uid`, `url`, `network`, `name`, `nick`, `addr`, `location`, `about`, `keywords`, `gender`, `photo`, `addr`, `forum`, `prv`, `bd` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d",
 231                         dbesc(normalise_link($url)), intval($uid));
 232
 233         if (!count($r))
 234                 $r = q("SELECT `id`, `uid`, `url`, `network`, `name`, `nick`, `addr`, `location`, `about`, `keywords`, `gender`, `photo`, `addr`, `forum`, `prv`, `bd` FROM `contact` WHERE `nurl` = '%s' AND `uid` = 0",
 235                         dbesc(normalise_link($url)));
 236
 237         if ($r) {
 238                 if (isset($r[0]["url"]) AND $r[0]["url"])
 239                         $profile["url"] = $r[0]["url"];
 240                 if (isset($r[0]["name"]) AND $r[0]["name"])
 241                         $profile["name"] = $r[0]["name"];
 242                 if (isset($r[0]["nick"]) AND $r[0]["nick"] AND ($profile["nick"] == ""))
 243                         $profile["nick"] = $r[0]["nick"];
 244                 if (isset($r[0]["addr"]) AND $r[0]["addr"] AND ($profile["addr"] == ""))
 245                         $profile["addr"] = $r[0]["addr"];
 246                 if (isset($r[0]["photo"]) AND $r[0]["photo"])
 247                         $profile["photo"] = $r[0]["photo"];
 248                 if (isset($r[0]["location"]) AND $r[0]["location"])
 249                         $profile["location"] = $r[0]["location"];
 250                 if (isset($r[0]["about"]) AND $r[0]["about"])
 251                         $profile["about"] = $r[0]["about"];
 252                 if (isset($r[0]["keywords"]) AND $r[0]["keywords"])
 253                         $profile["keywords"] = $r[0]["keywords"];
 254                 if (isset($r[0]["gender"]) AND $r[0]["gender"])
 255                         $profile["gender"] = $r[0]["gender"];
 256                 if (isset($r[0]["forum"]) OR isset($r[0]["prv"]))
 257                         $profile["community"] = ($r[0]["forum"] OR $r[0]["prv"]);
 258                 if (isset($r[0]["network"]) AND $r[0]["network"])
 259                         $profile["network"] = $r[0]["network"];
 260                 if (isset($r[0]["addr"]) AND $r[0]["addr"])
 261                         $profile["addr"] = $r[0]["addr"];
 262                 if (isset($r[0]["bd"]) AND $r[0]["bd"])
 263                         $profile["bd"] = $r[0]["bd"];
 264                 if ($r[0]["uid"] == 0)
 265                         $profile["cid"] = 0;
 266                 else
 267                         $profile["cid"] = $r[0]["id"];
 268         } else
 269                 $profile["cid"] = 0;
 270
 271         if (isset($profile["photo"]))
 272                 $profile["photo"] = proxy_url($profile["photo"], false, PROXY_SIZE_SMALL);
 273
 274         if (isset($profile["location"]))
 275                 $profile["location"] = bbcode($profile["location"]);
 276
 277         if (isset($profile["about"]))
 278                 $profile["about"] = bbcode($profile["about"]);
 279
 280         if (($profile["cid"] == 0) AND ($profile["network"] == NETWORK_DIASPORA)) {
 281                 $profile["location"] = "";
 282                 $profile["about"] = "";
 283         }
 284
 285         return($profile);
 286 }
 287
 288 if(! function_exists('contact_photo_menu')){
 289 function contact_photo_menu($contact) {
 290
 291         $a = get_app();
 292
 293         $contact_url="";
 294         $pm_url="";
 295         $status_link="";
 296         $photos_link="";
 297         $posts_link="";
 298         $contact_drop_link = "";
 299         $poke_link="";
 300
 301         $sparkle = false;
 302         if($contact['network'] === NETWORK_DFRN) {
 303                 $sparkle = true;
 304                 $profile_link = $a->get_baseurl() . '/redir/' . $contact['id'];
 305         }
 306         else
 307                 $profile_link = $contact['url'];
 308
 309         if($profile_link === 'mailbox')
 310                 $profile_link = '';
 311
 312         if($sparkle) {
 313                 $status_link = $profile_link . "?url=status";
 314                 $photos_link = $profile_link . "?url=photos";
 315                 $profile_link = $profile_link . "?url=profile";
 316         }
 317
 318         if (in_array($contact["network"], array(NETWORK_DFRN, NETWORK_DIASPORA)))
 319                 $pm_url = $a->get_baseurl() . '/message/new/' . $contact['id'];
 320
 321         if ($contact["network"] == NETWORK_DFRN)
 322                 $poke_link = $a->get_baseurl() . '/poke/?f=&c=' . $contact['id'];
 323
 324         $contact_url = $a->get_baseurl() . '/contacts/' . $contact['id'];
 325         $posts_link = $a->get_baseurl() . '/network/0?nets=all&cid=' . $contact['id'];
 326         $contact_drop_link = $a->get_baseurl() . "/contacts/" . $contact['id'] . '/drop?confirm=1';
 327
 328
 329         $menu = Array(
 330                 'status' => array(t("View Status"), $status_link),
 331                 'profile' => array(t("View Profile"), $profile_link),
 332                 'photos' => array(t("View Photos"), $photos_link),
 333                 'network' => array(t("Network Posts"), $posts_link),
 334                 'edit' => array(t("Edit Contact"), $contact_url),
 335                 'drop' => array(t("Drop Contact"), $contact_drop_link),
 336                 'pm' => array(t("Send PM"), $pm_url),
 337                 'poke' => array(t("Poke"), $poke_link),
 338         );
 339
 340
 341         $args = array('contact' => $contact, 'menu' => &$menu);
 342
 343         call_hooks('contact_photo_menu', $args);
 344
 345 /*      $o = "";
 346         foreach($menu as $k=>$v){
 347                 if ($v!="") {
 348                         if(($k !== t("Network Posts")) && ($k !== t("Send PM")) && ($k !== t('Edit Contact')))
 349                                 $o .= "<li><a target=\"redir\" href=\"$v\">$k</a></li>\n";
 350                         else
 351                                 $o .= "<li><a href=\"$v\">$k</a></li>\n";
 352                 }
 353         }
 354         return $o;*/
 355
 356         foreach($menu as $k=>$v){
 357                 if ($v[1]!="") {
 358                         if(($v[0] !== t("Network Posts")) && ($v[0] !== t("Send PM")) && ($v[0] !== t('Edit Contact')))
 359                                 $menu[$k][2] = 1;
 360                         else
 361                                 $menu[$k][2] = 0;
 362                 }
 363         }
 364
 365         $menucondensed = array();
 366
 367         foreach ($menu AS $menuitem)
 368                 if ($menuitem[1] != "")
 369                         $menucondensed[] = $menuitem;
 370
 371         return $menucondensed;
 372 }}
 373
 374
 375 function random_profile() {
 376         $r = q("SELECT `url` FROM `gcontact` WHERE `network` = '%s'
 377                                 AND `last_contact` >= `last_failure`
 378                                 AND `updated` > UTC_TIMESTAMP - INTERVAL 1 MONTH
 379                         ORDER BY rand() LIMIT 1",
 380                 dbesc(NETWORK_DFRN));
 381
 382         if(count($r))
 383                 return dirname($r[0]['url']);
 384         return '';
 385 }
 386
 387
 388 function contacts_not_grouped($uid,$start = 0,$count = 0) {
 389
 390         if(! $count) {
 391                 $r = q("select count(*) as total from contact where uid = %d and self = 0 and id not in (select distinct(`contact-id`) from group_member where uid = %d) ",
 392                         intval($uid),
 393                         intval($uid)
 394                 );
 395
 396                 return $r;
 397
 398
 399         }
 400
 401         $r = q("select * from contact where uid = %d and self = 0 and id not in (select distinct(`contact-id`) from group_member where uid = %d) and blocked = 0 and pending = 0 limit %d, %d",
 402                 intval($uid),
 403                 intval($uid),
 404                 intval($start),
 405                 intval($count)
 406         );
 407
 408         return $r;
 409 }
 410
 411 function get_contact($url, $uid = 0) {
 412         require_once("include/Scrape.php");
 413
 414         $data = array();
 415         $contactid = 0;
 416
 417         // is it an address in the format user@server.tld?
 418         if (!strstr($url, "http") OR strstr($url, "@")) {
 419                 $data = probe_url($url);
 420                 $url = $data["url"];
 421                 if ($url == "")
 422                         return 0;
 423         }
 424
 425         $contact = q("SELECT `id`, `avatar-date` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d",
 426                         dbesc(normalise_link($url)),
 427                         intval($uid));
 428
 429         if (!$contact)
 430                 $contact = q("SELECT `id`, `avatar-date` FROM `contact` WHERE `alias` IN ('%s', '%s') AND `uid` = %d",
 431                                 dbesc($url),
 432                                 dbesc(normalise_link($url)),
 433                                 intval($uid));
 434
 435         if ($contact) {
 436                 $contactid = $contact[0]["id"];
 437
 438                 // Update the contact every 7 days
 439                 $update_photo = ($contact[0]['avatar-date'] < datetime_convert('','','now -7 days'));
 440                 //$update_photo = ($contact[0]['avatar-date'] < datetime_convert('','','now -12 hours'));
 441
 442                 if (!$update_photo)
 443                         return($contactid);
 444         } elseif ($uid != 0)
 445                 return 0;
 446
 447         if (!count($data))
 448                 $data = probe_url($url);
 449
 450         // Does this address belongs to a valid network?
 451         if (!in_array($data["network"], array(NETWORK_DFRN, NETWORK_OSTATUS, NETWORK_DIASPORA)))
 452                 return 0;
 453
 454         // tempory programming. Can be deleted after 2015-02-07
 455         if (($data["alias"] == "") AND (normalise_link($data["url"]) != normalise_link($url)))
 456                 $data["alias"] = normalise_link($url);
 457
 458         if ($contactid == 0) {
 459                 q("INSERT INTO `contact` (`uid`, `created`, `url`, `nurl`, `addr`, `alias`, `notify`, `poll`,
 460                                         `name`, `nick`, `photo`, `network`, `pubkey`, `rel`, `priority`,
 461                                         `batch`, `request`, `confirm`, `poco`,
 462                                         `writable`, `blocked`, `readonly`, `pending`)
 463                                         VALUES (%d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d, %d, '%s', '%s', '%s', '%s', 1, 0, 0, 0)",
 464                         intval($uid),
 465                         dbesc(datetime_convert()),
 466                         dbesc($data["url"]),
 467                         dbesc(normalise_link($data["url"])),
 468                         dbesc($data["addr"]),
 469                         dbesc($data["alias"]),
 470                         dbesc($data["notify"]),
 471                         dbesc($data["poll"]),
 472                         dbesc($data["name"]),
 473                         dbesc($data["nick"]),
 474                         dbesc($data["photo"]),
 475                         dbesc($data["network"]),
 476                         dbesc($data["pubkey"]),
 477                         intval(CONTACT_IS_SHARING),
 478                         intval($data["priority"]),
 479                         dbesc($data["batch"]),
 480                         dbesc($data["request"]),
 481                         dbesc($data["confirm"]),
 482                         dbesc($data["poco"])
 483                 );
 484
 485                 $contact = q("SELECT `id` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d",
 486                                 dbesc(normalise_link($data["url"])),
 487                                 intval($uid));
 488                 if (!$contact)
 489                         return 0;
 490
 491                 $contactid = $contact[0]["id"];
 492         }
 493
 494         require_once("Photo.php");
 495
 496         $photos = import_profile_photo($data["photo"],$uid,$contactid);
 497
 498         q("UPDATE `contact` SET `photo` = '%s', `thumb` = '%s', `micro` = '%s',
 499                 `addr` = '%s', `alias` = '%s', `name` = '%s', `nick` = '%s',
 500                 `name-date` = '%s', `uri-date` = '%s', `avatar-date` = '%s' WHERE `id` = %d",
 501                 dbesc($photos[0]),
 502                 dbesc($photos[1]),
 503                 dbesc($photos[2]),
 504                 dbesc($data["addr"]),
 505                 dbesc($data["alias"]),
 506                 dbesc($data["name"]),
 507                 dbesc($data["nick"]),
 508                 dbesc(datetime_convert()),
 509                 dbesc(datetime_convert()),
 510                 dbesc(datetime_convert()),
 511                 intval($contactid)
 512         );
 513
 514         return $contactid;
 515 }