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         $self   = false;
  85
  86         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
  87                 $self = true;
  88                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  89                         intval($_SESSION['uid'])
  90                 );
  91         }
  92         else {
  93                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
  94                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
  95                                 intval($_SESSION['visitor_id'])
  96                         );
  97                 }
  98         }
  99
 100         if(count($r)) {
 101                 $author = $r[0];
 102                 $contact_id = $author['id'];
 103         }
 104
 105         // get contact info for owner
 106
 107         if($profile_uid == $_SESSION['uid']) {
 108                 $contact_record = $author;
 109         }
 110         else {
 111                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 112                         intval($profile_uid)
 113                 );
 114                 if(count($r))
 115                         $contact_record = $r[0];
 116         }
 117
 118         $post_type = notags(trim($_POST['type']));
 119
 120         if($post_type === 'net-comment') {
 121                 if($parent_item !== null) {
 122                         if($parent_item['type'] === 'remote') {
 123                                 $post_type = 'remote-comment';
 124                         }
 125                         else {
 126                                 $post_type = 'wall-comment';
 127                         }
 128                 }
 129         }
 130
 131         $str_tags = '';
 132         $inform   = '';
 133
 134         $tags = get_tags($body);
 135
 136
 137         if(count($tags)) {
 138                 foreach($tags as $tag) {
 139                         if(strpos($tag,'#') === 0) {
 140                                 $basetag = str_replace('_',' ',substr($tag,1));
 141                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 142                                 if(strlen($str_tags))
 143                                         $str_tags .= ',';
 144                                 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
 145                                 continue;
 146                         }
 147                         if(strpos($tag,'@') === 0) {
 148                                 $name = substr($tag,1);
 149                                 if((strpos($name,'@')) || (strpos($name,'http://'))) {
 150                                         $newname = $name;
 151                                         $links = @lrdd($name);
 152                                         if(count($links)) {
 153                                                 foreach($links as $link) {
 154                                                         if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
 155                                         $profile = $link['@attributes']['href'];
 156                                                         if($link['@attributes']['rel'] === 'salmon') {
 157                                                                 if(strlen($inform))
 158                                                                         $inform .= ',';
 159                                         $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
 160                                                         }
 161                                                 }
 162                                         }
 163                                 }
 164                                 else {
 165                                         $newname = $name;
 166                                         if(strstr($name,'_')) {
 167                                                 $newname = str_replace('_',' ',$name);
 168                                                 $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
 169                                                         dbesc($newname),
 170                                                         intval($profile_uid)
 171                                                 );
 172                                         }
 173                                         else {
 174                                                 $r = q("SELECT * FROM `contact` WHERE `nick` = '%s' AND `uid` = %d LIMIT 1",
 175                                                         dbesc($name),
 176                                                         intval($profile_uid)
 177                                                 );
 178                                         }
 179                                         if(count($r)) {
 180                                                 $profile = $r[0]['url'];
 181                                                 $newname = $r[0]['name'];
 182                                                 if(strlen($inform))
 183                                                         $inform .= ',';
 184                                                 $inform .= 'cid:' . $r[0]['id'];
 185                                         }
 186                                 }
 187                                 if($profile) {
 188                                         $body = str_replace($name,'[url=' . $profile . ']' . $newname   . '[/url]', $body);
 189                                         $profile = str_replace(',','%2c',$profile);
 190                                         if(strlen($str_tags))
 191                                                 $str_tags .= ',';
 192                                         $str_tags .= '@[url=' . $profile . ']' . $newname       . '[/url]';
 193                                 }
 194                         }
 195                 }
 196         }
 197
 198         $wall = 0;
 199         if($post_type === 'wall' || $post_type === 'wall-comment')
 200                 $wall = 1;
 201
 202         if(! strlen($verb))
 203                 $verb = ACTIVITY_POST ;
 204
 205         $gravity = (($parent) ? 6 : 0 );
 206
 207         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 208
 209         $uri = item_new_uri($a->get_hostname(),$profile_uid);
 210
 211         $datarray = array();
 212         $datarray['uid']           = $profile_uid;
 213         $datarray['type']          = $post_type;
 214         $datarray['wall']          = $wall;
 215         $datarray['gravity']       = $gravity;
 216         $datarray['contact-id']    = $contact_id;
 217         $datarray['owner-name']    = $contact_record['name'];
 218         $datarray['owner-link']    = $contact_record['url'];
 219         $datarray['owner-avatar']  = $contact_record['thumb'];
 220         $datarray['author-name']   = $author['name'];
 221         $datarray['author-link']   = $author['url'];
 222         $datarray['author-avatar'] = $author['thumb'];
 223         $datarray['created']       = datetime_convert();
 224         $datarray['edited']        = datetime_convert();
 225         $datarray['changed']       = datetime_convert();
 226         $datarray['uri']           = $uri;
 227         $datarray['title']         = $title;
 228         $datarray['body']          = $body;
 229         $datarray['location']      = $location;
 230         $datarray['coord']         = $coord;
 231         $datarray['tag']           = $str_tags;
 232         $datarray['inform']        = $inform;
 233         $datarray['verb']          = $verb;
 234         $datarray['allow_cid']     = $str_contact_allow;
 235         $datarray['allow_gid']     = $str_group_allow;
 236         $datarray['deny_cid']      = $str_contact_deny;
 237         $datarray['deny_gid']      = $str_group_deny;
 238         $datarray['private']       = $private;
 239
 240         /**
 241          * These fields are for the convenience of plugins...
 242          * 'self' if true indicates the owner is posting on their own wall
 243          * If parent is 0 it is a top-level post.
 244          */
 245
 246         $datarray['parent']        = $parent;
 247         $datarray['self']          = $self;
 248
 249
 250         call_hooks('post_local',$datarray);
 251
 252         $r = q("INSERT INTO `item` (`uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 253                 `author-name`, `author-link`, `author-avatar`, `created`, `edited`, `changed`, `uri`, `title`, `body`, `location`, `coord`,
 254                 `tag`, `inform`, `verb`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private` )
 255                 VALUES( %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d )",
 256                 intval($datarray['uid']),
 257                 dbesc($datarray['type']),
 258                 intval($datarray['wall']),
 259                 intval($datarray['gravity']),
 260                 intval($datarray['contact-id']),
 261                 dbesc($datarray['owner-name']),
 262                 dbesc($datarray['owner-link']),
 263                 dbesc($datarray['owner-avatar']),
 264                 dbesc($datarray['author-name']),
 265                 dbesc($datarray['author-link']),
 266                 dbesc($datarray['author-avatar']),
 267                 dbesc($datarray['created']),
 268                 dbesc($datarray['edited']),
 269                 dbesc($datarray['changed']),
 270                 dbesc($datarray['uri']),
 271                 dbesc($datarray['title']),
 272                 dbesc($datarray['body']),
 273                 dbesc($datarray['location']),
 274                 dbesc($datarray['coord']),
 275                 dbesc($datarray['tag']),
 276                 dbesc($datarray['inform']),
 277                 dbesc($datarray['verb']),
 278                 dbesc($datarray['allow_cid']),
 279                 dbesc($datarray['allow_gid']),
 280                 dbesc($datarray['deny_cid']),
 281                 dbesc($datarray['deny_gid']),
 282                 intval($datarray['private'])
 283         );
 284
 285         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 286                 dbesc($datarray['uri']));
 287         if(count($r)) {
 288                 $post_id = $r[0]['id'];
 289                 logger('mod_item: saved item ' . $post_id);
 290
 291                 if($parent) {
 292
 293                         // This item is the last leaf and gets the comment box, clear any ancestors
 294                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 295                                 dbesc(datetime_convert()),
 296                                 intval($parent)
 297                         );
 298
 299                         // Inherit ACL's from the parent item.
 300
 301                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 302                                 WHERE `id` = %d LIMIT 1",
 303                                 dbesc($parent_item['allow_cid']),
 304                                 dbesc($parent_item['allow_gid']),
 305                                 dbesc($parent_item['deny_cid']),
 306                                 dbesc($parent_item['deny_gid']),
 307                                 intval($parent_item['private']),
 308                                 intval($post_id)
 309                         );
 310
 311                         // Send a notification email to the conversation owner, unless the owner is me and I wrote this item
 312                         if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
 313                                 require_once('bbcode.php');
 314                                 $from = $author['name'];
 315                                 $tpl = load_view_file('view/cmnt_received_eml.tpl');
 316                                 $email_tpl = replace_macros($tpl, array(
 317                                         '$sitename' => $a->config['sitename'],
 318                                         '$siteurl' =>  $a->get_baseurl(),
 319                                         '$username' => $user['username'],
 320                                         '$email' => $user['email'],
 321                                         '$from' => $from,
 322                                         '$display' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 323                                         '$body' => strip_tags(bbcode($datarray['body']))
 324                                 ));
 325
 326                                 $res = mail($user['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
 327                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 328                         }
 329                 }
 330                 else {
 331                         $parent = $post_id;
 332
 333                         // let me know if somebody did a wall-to-wall post on my profile
 334
 335                         if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
 336                                 require_once('bbcode.php');
 337                                 $from = $author['name'];
 338                                 $tpl = load_view_file('view/wall_received_eml.tpl');
 339                                 $email_tpl = replace_macros($tpl, array(
 340                                         '$sitename' => $a->config['sitename'],
 341                                         '$siteurl' =>  $a->get_baseurl(),
 342                                         '$username' => $user['username'],
 343                                         '$email' => $user['email'],
 344                                         '$from' => $from,
 345                                         '$display' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 346                                         '$body' => strip_tags(bbcode($datarray['body']))
 347                                 ));
 348
 349                                 $res = mail($user['email'], $from . t(" posted on your profile wall at ") . $a->config['sitename'],
 350                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 351                         }
 352                 }
 353
 354                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 355                         WHERE `id` = %d LIMIT 1",
 356                         intval($parent),
 357                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 358                         dbesc(datetime_convert()),
 359                         intval($post_id)
 360                 );
 361
 362                 // photo comments turn the corresponding item visible to the profile wall
 363                 // This way we don't see every picture in your new photo album posted to your wall at once.
 364                 // They will show up as people comment on them.
 365
 366                 if(! $parent_item['visible']) {
 367                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 368                                 intval($parent_item['id'])
 369                         );
 370                 }
 371         }
 372
 373         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 374
 375         logger('mod_item: notifier invoked: ' . "\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &");
 376
 377         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &",
 378                 array(),$foo));
 379
 380         $datarray['id'] = $post_id;
 381
 382         call_hooks('post_local_end', $datarray);
 383
 384
 385         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 386         return; // NOTREACHED
 387 }
 388
 389
 390
 391
 392
 393 function item_content(&$a) {
 394
 395         if((! local_user()) && (! remote_user()))
 396                 return;
 397
 398         require_once('include/security.php');
 399
 400         $uid = $_SESSION['uid'];
 401
 402         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 403
 404                 // locate item to be deleted
 405
 406                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 407                         intval($a->argv[2])
 408                 );
 409
 410                 if(! count($r)) {
 411                         notice( t('Item not found.') . EOL);
 412                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 413                 }
 414                 $item = $r[0];
 415
 416                 // check if logged in user is either the author or owner of this item
 417
 418                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
 419
 420                         // delete the item
 421
 422                         $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
 423                                 dbesc(datetime_convert()),
 424                                 dbesc(datetime_convert()),
 425                                 intval($item['id'])
 426                         );
 427
 428                         // If item is a link to a photo resource, nuke all the associated photos
 429                         // (visitors will not have photo resources)
 430                         // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
 431                         // generate a resource-id and therefore aren't intimately linked to the item.
 432
 433                         if(strlen($item['resource-id'])) {
 434                                 $q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
 435                                         dbesc($item['resource-id']),
 436                                         intval($item['uid'])
 437                                 );
 438                                 // ignore the result
 439                         }
 440
 441                         // If it's the parent of a comment thread, kill all the kids
 442
 443                         if($item['uri'] == $item['parent-uri']) {
 444                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
 445                                         WHERE `parent-uri` = '%s' AND `uid` = %d ",
 446                                         dbesc(datetime_convert()),
 447                                         dbesc(datetime_convert()),
 448                                         dbesc($item['parent-uri']),
 449                                         intval($item['uid'])
 450                                 );
 451                                 // ignore the result
 452                         }
 453                         else {
 454                                 // ensure that last-child is set in case the comment that had it just got wiped.
 455                                 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 456                                         dbesc(datetime_convert()),
 457                                         dbesc($item['parent-uri']),
 458                                         intval($item['uid'])
 459                                 );
 460                                 // who is the last child now?
 461                                 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
 462                                         dbesc($item['parent-uri']),
 463                                         intval($item['uid'])
 464                                 );
 465                                 if(count($r)) {
 466                                         q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 467                                                 intval($r[0]['id'])
 468                                         );
 469                                 }
 470                         }
 471                         $drop_id = intval($item['id']);
 472                         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 473
 474                         // send the notification upstream/downstream as the case may be
 475
 476                         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" &",
 477                                 array(), $foo));
 478
 479                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 480                         return; //NOTREACHED
 481                 }
 482                 else {
 483                         notice( t('Permission denied.') . EOL);
 484                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 485                         //NOTREACHED
 486                 }
 487         }
 488 }