mod/item.php

   1 <?php
   2
   3 // This is the POST destination for most all locally posted
   4 // text stuff. This function handles status, wall-to-wall status,
   5 // local comments, and remote coments - that are posted on this site
   6 // (as opposed to being delivered in a feed).
   7 // All of these become an "item" which is our basic unit of
   8 // information.
   9
  10 function item_post(&$a) {
  11
  12         if((! local_user()) && (! remote_user()))
  13                 return;
  14
  15         require_once('include/security.php');
  16
  17         $uid = local_user();
  18
  19         $parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
  20
  21         $parent_item = null;
  22
  23         if($parent) {
  24                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  25                         intval($parent)
  26                 );
  27                 if(! count($r)) {
  28                         notice( t('Unable to locate original post.') . EOL);
  29                         goaway($a->get_baseurl() . "/" . $_POST['return'] );
  30                 }
  31                 $parent_item = $r[0];
  32         }
  33
  34         $profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
  35
  36
  37         if(! can_write_wall($a,$profile_uid)) {
  38                 notice( t('Permission denied.') . EOL) ;
  39                 return;
  40         }
  41
  42         $user = null;
  43
  44         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
  45                 intval($profile_uid)
  46         );
  47         if(count($r))
  48                 $user = $r[0];
  49
  50
  51         $str_group_allow   = perms2str($_POST['group_allow']);
  52         $str_contact_allow = perms2str($_POST['contact_allow']);
  53         $str_group_deny    = perms2str($_POST['group_deny']);
  54         $str_contact_deny  = perms2str($_POST['contact_deny']);
  55
  56         $private = ((strlen($str_group_allow) || strlen($str_contact_allow) || strlen($str_group_deny) || strlen($str_contact_deny)) ? 1 : 0);
  57
  58         if(($parent_item) &&
  59                 (($parent_item['private'])
  60                         || strlen($parent_item['allow_cid'])
  61                         || strlen($parent_item['allow_gid'])
  62                         || strlen($parent_item['deny_cid'])
  63                         || strlen($parent_item['deny_gid'])
  64                 )
  65         ) {
  66                 $private = 1;
  67         }
  68
  69         $title             = notags(trim($_POST['title']));
  70         $body              = escape_tags(trim($_POST['body']));
  71         $location          = notags(trim($_POST['location']));
  72         $coord             = notags(trim($_POST['coord']));
  73         $verb              = notags(trim($_POST['verb']));
  74
  75         if(! strlen($body)) {
  76                 notice( t('Empty post discarded.') . EOL );
  77                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
  78
  79         }
  80
  81         // get contact info for poster
  82
  83         $author = null;
  84
  85         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
  86                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  87                         intval($_SESSION['uid'])
  88                 );
  89         }
  90         else {
  91                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
  92                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
  93                                 intval($_SESSION['visitor_id'])
  94                         );
  95                 }
  96         }
  97
  98         if(count($r)) {
  99                 $author = $r[0];
 100                 $contact_id = $author['id'];
 101         }
 102
 103         // get contact info for owner
 104
 105         if($profile_uid == $_SESSION['uid']) {
 106                 $contact_record = $author;
 107         }
 108         else {
 109                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 110                         intval($profile_uid)
 111                 );
 112                 if(count($r))
 113                         $contact_record = $r[0];
 114         }
 115
 116         $post_type = notags(trim($_POST['type']));
 117
 118         if($post_type === 'net-comment') {
 119                 if($parent_item !== null) {
 120                         if($parent_item['type'] === 'remote') {
 121                                 $post_type = 'remote-comment';
 122                         }
 123                         else {
 124                                 $post_type = 'wall-comment';
 125                         }
 126                 }
 127         }
 128
 129         $str_tags = '';
 130         $inform   = '';
 131
 132         $tags = get_tags($body);
 133
 134
 135         if(count($tags)) {
 136                 foreach($tags as $tag) {
 137                         if(strpos($tag,'#') === 0) {
 138                                 $basetag = str_replace('_',' ',substr($tag,1));
 139                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 140                                 if(strlen($str_tags))
 141                                         $str_tags .= ',';
 142                                 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
 143                                 continue;
 144                         }
 145                         if(strpos($tag,'@') === 0) {
 146                                 $name = substr($tag,1);
 147                                 if((strpos($name,'@')) || (strpos($name,'http://'))) {
 148                                         $newname = $name;
 149                                         $links = @lrdd($name);
 150                                         if(count($links)) {
 151                                                 foreach($links as $link) {
 152                                                         if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
 153                                         $profile = $link['@attributes']['href'];
 154                                                         if($link['@attributes']['rel'] === 'salmon') {
 155                                                                 if(strlen($inform))
 156                                                                         $inform .= ',';
 157                                         $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
 158                                                         }
 159                                                 }
 160                                         }
 161                                 }
 162                                 else {
 163                                         $newname = $name;
 164                                         if(strstr($name,'_')) {
 165                                                 $newname = str_replace('_',' ',$name);
 166                                                 $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
 167                                                         dbesc($newname),
 168                                                         intval($profile_uid)
 169                                                 );
 170                                         }
 171                                         else {
 172                                                 $r = q("SELECT * FROM `contact` WHERE `nick` = '%s' AND `uid` = %d LIMIT 1",
 173                                                         dbesc($name),
 174                                                         intval($profile_uid)
 175                                                 );
 176                                         }
 177                                         if(count($r)) {
 178                                                 $profile = $r[0]['url'];
 179                                                 $newname = $r[0]['name'];
 180                                                 if(strlen($inform))
 181                                                         $inform .= ',';
 182                                                 $inform .= 'cid:' . $r[0]['id'];
 183                                         }
 184                                 }
 185                                 if($profile) {
 186                                         $body = str_replace($name,'[url=' . $profile . ']' . $newname   . '[/url]', $body);
 187                                         $profile = str_replace(',','%2c',$profile);
 188                                         if(strlen($str_tags))
 189                                                 $str_tags .= ',';
 190                                         $str_tags .= '@[url=' . $profile . ']' . $newname       . '[/url]';
 191                                 }
 192                         }
 193                 }
 194         }
 195
 196         $wall = 0;
 197         if($post_type === 'wall' || $post_type === 'wall-comment')
 198                 $wall = 1;
 199
 200         if(! strlen($verb))
 201                 $verb = ACTIVITY_POST ;
 202
 203         $gravity = (($parent) ? 6 : 0 );
 204
 205         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 206
 207         $uri = item_new_uri($a->get_hostname(),$profile_uid);
 208
 209         $r = q("INSERT INTO `item` (`uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 210                 `author-name`, `author-link`, `author-avatar`, `created`, `edited`, `changed`, `uri`, `title`, `body`, `location`, `coord`,
 211                 `tag`, `inform`, `verb`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private` )
 212                 VALUES( %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d )",
 213                 intval($profile_uid),
 214                 dbesc($post_type),
 215                 intval($wall),
 216                 intval($gravity),
 217                 intval($contact_id),
 218                 dbesc($contact_record['name']),
 219                 dbesc($contact_record['url']),
 220                 dbesc($contact_record['thumb']),
 221                 dbesc($author['name']),
 222                 dbesc($author['url']),
 223                 dbesc($author['thumb']),
 224                 dbesc(datetime_convert()),
 225                 dbesc(datetime_convert()),
 226                 dbesc(datetime_convert()),
 227                 dbesc($uri),
 228                 dbesc($title),
 229                 dbesc($body),
 230                 dbesc($location),
 231                 dbesc($coord),
 232                 dbesc($str_tags),
 233                 dbesc($inform),
 234                 dbesc($verb),
 235                 dbesc($str_contact_allow),
 236                 dbesc($str_group_allow),
 237                 dbesc($str_contact_deny),
 238                 dbesc($str_group_deny),
 239                 intval($private)
 240         );
 241         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 242                 dbesc($uri));
 243         if(count($r)) {
 244                 $post_id = $r[0]['id'];
 245                 logger('mod_item: saved item ' . $post_id);
 246
 247                 if($parent) {
 248
 249                         // This item is the last leaf and gets the comment box, clear any ancestors
 250                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 251                                 dbesc(datetime_convert()),
 252                                 intval($parent)
 253                         );
 254
 255                         // Inherit ACL's from the parent item.
 256
 257                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 258                                 WHERE `id` = %d LIMIT 1",
 259                                 dbesc($parent_item['allow_cid']),
 260                                 dbesc($parent_item['allow_gid']),
 261                                 dbesc($parent_item['deny_cid']),
 262                                 dbesc($parent_item['deny_gid']),
 263                                 intval($parent_item['private']),
 264                                 intval($post_id)
 265                         );
 266
 267                         // Send a notification email to the conversation owner, unless the owner is me and I wrote this item
 268                         if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
 269                                 require_once('bbcode.php');
 270                                 $from = $author['name'];
 271                                 $tpl = load_view_file('view/cmnt_received_eml.tpl');
 272                                 $email_tpl = replace_macros($tpl, array(
 273                                         '$sitename' => $a->config['sitename'],
 274                                         '$siteurl' =>  $a->get_baseurl(),
 275                                         '$username' => $user['username'],
 276                                         '$email' => $user['email'],
 277                                         '$from' => $from,
 278                                         '$display' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 279                                         '$body' => strip_tags(bbcode($body))
 280                                 ));
 281
 282                                 $res = mail($user['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
 283                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 284                         }
 285                 }
 286                 else {
 287                         $parent = $post_id;
 288
 289                         // let me know if somebody did a wall-to-wall post on my profile
 290
 291                         if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
 292                                 require_once('bbcode.php');
 293                                 $from = $author['name'];
 294                                 $tpl = load_view_file('view/wall_received_eml.tpl');
 295                                 $email_tpl = replace_macros($tpl, array(
 296                                         '$sitename' => $a->config['sitename'],
 297                                         '$siteurl' =>  $a->get_baseurl(),
 298                                         '$username' => $user['username'],
 299                                         '$email' => $user['email'],
 300                                         '$from' => $from,
 301                                         '$display' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 302                                         '$body' => strip_tags(bbcode($body))
 303                                 ));
 304
 305                                 $res = mail($user['email'], $from . t(" posted on your profile wall at ") . $a->config['sitename'],
 306                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 307                         }
 308                 }
 309
 310                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 311                         WHERE `id` = %d LIMIT 1",
 312                         intval($parent),
 313                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 314                         dbesc(datetime_convert()),
 315                         intval($post_id)
 316                 );
 317
 318                 // photo comments turn the corresponding item visible to the profile wall
 319                 // This way we don't see every picture in your new photo album posted to your wall at once.
 320                 // They will show up as people comment on them.
 321
 322                 if(! $parent_item['visible']) {
 323                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 324                                 intval($parent_item['id'])
 325                         );
 326                 }
 327         }
 328
 329         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 330
 331         logger('mod_item: notifier invoked: ' . "\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &");
 332
 333         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &",
 334                 array(),$foo));
 335
 336         /**
 337          * Post to Facebook stream
 338          */
 339
 340         if((local_user()) && (local_user() == $profile_uid) && (! $private)) {
 341                 $appid  = get_config('system', 'facebook_appid'  );
 342                 $secret = get_config('system', 'facebook_secret' );
 343                 if($appid && $secret) {
 344                         $fb_post = get_pconfig($local_user(),'facebook','post');
 345                         if($fb_post) {
 346                                 require_once('library/facebook.php');
 347                                 require_once('include/bbcode.php');
 348
 349                                 $facebook = new Facebook(array(
 350                                         'appId'  => $appid,
 351                                         'secret' => $secret,
 352                                         'cookie' => true
 353                                 ));
 354                                 try {
 355                                         $statusUpdate = $facebook->api('/me/feed', 'post', array('message'=> bbcode($body), 'cb' => ''));
 356                                 }
 357                                 catch (FacebookApiException $e) {
 358                                         notice( t('Facebook status update failed.') . EOL);
 359                                 }
 360                         }
 361                 }
 362         }
 363
 364         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 365         return; // NOTREACHED
 366 }
 367
 368
 369
 370
 371
 372 function item_content(&$a) {
 373
 374         if((! local_user()) && (! remote_user()))
 375                 return;
 376
 377         require_once('include/security.php');
 378
 379         $uid = $_SESSION['uid'];
 380
 381         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 382
 383                 // locate item to be deleted
 384
 385                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 386                         intval($a->argv[2])
 387                 );
 388
 389                 if(! count($r)) {
 390                         notice( t('Item not found.') . EOL);
 391                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 392                 }
 393                 $item = $r[0];
 394
 395                 // check if logged in user is either the author or owner of this item
 396
 397                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
 398
 399                         // delete the item
 400
 401                         $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
 402                                 dbesc(datetime_convert()),
 403                                 dbesc(datetime_convert()),
 404                                 intval($item['id'])
 405                         );
 406
 407                         // If item is a link to a photo resource, nuke all the associated photos
 408                         // (visitors will not have photo resources)
 409                         // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
 410                         // generate a resource-id and therefore aren't intimately linked to the item.
 411
 412                         if(strlen($item['resource-id'])) {
 413                                 $q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
 414                                         dbesc($item['resource-id']),
 415                                         intval($item['uid'])
 416                                 );
 417                                 // ignore the result
 418                         }
 419
 420                         // If it's the parent of a comment thread, kill all the kids
 421
 422                         if($item['uri'] == $item['parent-uri']) {
 423                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
 424                                         WHERE `parent-uri` = '%s' AND `uid` = %d ",
 425                                         dbesc(datetime_convert()),
 426                                         dbesc(datetime_convert()),
 427                                         dbesc($item['parent-uri']),
 428                                         intval($item['uid'])
 429                                 );
 430                                 // ignore the result
 431                         }
 432                         else {
 433                                 // ensure that last-child is set in case the comment that had it just got wiped.
 434                                 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 435                                         dbesc(datetime_convert()),
 436                                         dbesc($item['parent-uri']),
 437                                         intval($item['uid'])
 438                                 );
 439                                 // who is the last child now?
 440                                 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
 441                                         dbesc($item['parent-uri']),
 442                                         intval($item['uid'])
 443                                 );
 444                                 if(count($r)) {
 445                                         q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 446                                                 intval($r[0]['id'])
 447                                         );
 448                                 }
 449                         }
 450                         $drop_id = intval($item['id']);
 451                         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 452
 453                         // send the notification upstream/downstream as the case may be
 454
 455                         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" &",
 456                                 array(), $foo));
 457
 458                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 459                         return; //NOTREACHED
 460                 }
 461                 else {
 462                         notice( t('Permission denied.') . EOL);
 463                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 464                         //NOTREACHED
 465                 }
 466         }
 467 }