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         $emailcc           = notags(trim($_POST['emailcc']));
  75
  76         if(! strlen($body)) {
  77                 notice( t('Empty post discarded.') . EOL );
  78                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
  79
  80         }
  81
  82         // get contact info for poster
  83
  84         $author = null;
  85         $self   = false;
  86
  87         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
  88                 $self = true;
  89                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  90                         intval($_SESSION['uid'])
  91                 );
  92         }
  93         else {
  94                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
  95                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
  96                                 intval($_SESSION['visitor_id'])
  97                         );
  98                 }
  99         }
 100
 101         if(count($r)) {
 102                 $author = $r[0];
 103                 $contact_id = $author['id'];
 104         }
 105
 106         // get contact info for owner
 107
 108         if($profile_uid == $_SESSION['uid']) {
 109                 $contact_record = $author;
 110         }
 111         else {
 112                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
 113                         intval($profile_uid)
 114                 );
 115                 if(count($r))
 116                         $contact_record = $r[0];
 117         }
 118
 119         $post_type = notags(trim($_POST['type']));
 120
 121         if($post_type === 'net-comment') {
 122                 if($parent_item !== null) {
 123                         if($parent_item['type'] === 'remote') {
 124                                 $post_type = 'remote-comment';
 125                         }
 126                         else {
 127                                 $post_type = 'wall-comment';
 128                         }
 129                 }
 130         }
 131
 132
 133         /**
 134          *
 135          * When a photo was uploaded into the message using the (profile wall) ajax
 136          * uploader, The permissions are initially set to disallow anybody but the
 137          * owner from seeing it. This is because the permissions may not yet have been
 138          * set for the post. If it's private, the photo permissions should be set
 139          * appropriately. But we didn't know the final permissions on the post until
 140          * now. So now we'll look for links of uploaded messages that are in the
 141          * post and set them to the same permissions as the post itself.
 142          *
 143          */
 144
 145         $match = null;
 146
 147         if(preg_match_all("/\[img\](.+?)\[\/img\]/",$body,$match)) {
 148                 $images = $match[1];
 149                 if(count($images)) {
 150                         foreach($images as $image) {
 151                                 if(! stristr($image,$a->get_baseurl() . '/photo/'))
 152                                         continue;
 153                                 $image_uri = substr($image,strrpos($image,'/') + 1);
 154                                 $image_uri = substr($image_uri,0, strpos($image_uri,'-'));
 155                                 $r = q("UPDATE `photo` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 156                                         WHERE `resource-id` = '%s' AND `album` = '%s' ",
 157                                         dbesc($str_contact_allow),
 158                                         dbesc($str_group_allow),
 159                                         dbesc($str_contact_deny),
 160                                         dbesc($str_group_deny),
 161                                         dbesc($image_uri),
 162                                         dbesc( t('Wall Photos'))
 163                                 );
 164
 165                         }
 166                 }
 167         }
 168
 169         /**
 170          * Fold multi-line [code] sequences
 171          */
 172
 173         $body = preg_replace('/\[\/code\]\s*\[code\]/m',"\n",$body);
 174
 175         /**
 176          * Look for any tags and linkify them
 177          */
 178
 179         $str_tags = '';
 180         $inform   = '';
 181
 182         $tags = get_tags($body);
 183
 184
 185         if(count($tags)) {
 186                 foreach($tags as $tag) {
 187                         if(strpos($tag,'#') === 0) {
 188                                 $basetag = str_replace('_',' ',substr($tag,1));
 189                                 $body = str_replace($tag,'#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]',$body);
 190                                 if(strlen($str_tags))
 191                                         $str_tags .= ',';
 192                                 $str_tags .= '#[url=' . $a->get_baseurl() . '/search?search=' . rawurlencode($basetag) . ']' . $basetag . '[/url]';
 193                                 continue;
 194                         }
 195                         if(strpos($tag,'@') === 0) {
 196                                 $name = substr($tag,1);
 197                                 if((strpos($name,'@')) || (strpos($name,'http://'))) {
 198                                         $newname = $name;
 199                                         $links = @lrdd($name);
 200                                         if(count($links)) {
 201                                                 foreach($links as $link) {
 202                                                         if($link['@attributes']['rel'] === 'http://webfinger.net/rel/profile-page')
 203                                         $profile = $link['@attributes']['href'];
 204                                                         if($link['@attributes']['rel'] === 'salmon') {
 205                                                                 if(strlen($inform))
 206                                                                         $inform .= ',';
 207                                         $inform .= 'url:' . str_replace(',','%2c',$link['@attributes']['href']);
 208                                                         }
 209                                                 }
 210                                         }
 211                                 }
 212                                 else {
 213                                         $newname = $name;
 214                                         if(strstr($name,'_')) {
 215                                                 $newname = str_replace('_',' ',$name);
 216                                                 $r = q("SELECT * FROM `contact` WHERE `name` = '%s' AND `uid` = %d LIMIT 1",
 217                                                         dbesc($newname),
 218                                                         intval($profile_uid)
 219                                                 );
 220                                         }
 221                                         else {
 222                                                 $r = q("SELECT * FROM `contact` WHERE `nick` = '%s' AND `uid` = %d LIMIT 1",
 223                                                         dbesc($name),
 224                                                         intval($profile_uid)
 225                                                 );
 226                                         }
 227                                         if(count($r)) {
 228                                                 $profile = $r[0]['url'];
 229                                                 $newname = $r[0]['name'];
 230                                                 if(strlen($inform))
 231                                                         $inform .= ',';
 232                                                 $inform .= 'cid:' . $r[0]['id'];
 233                                         }
 234                                 }
 235                                 if($profile) {
 236                                         $body = str_replace('@' . $name, '@' . '[url=' . $profile . ']' . $newname      . '[/url]', $body);
 237                                         $profile = str_replace(',','%2c',$profile);
 238                                         if(strlen($str_tags))
 239                                                 $str_tags .= ',';
 240                                         $str_tags .= '@[url=' . $profile . ']' . $newname       . '[/url]';
 241                                 }
 242                         }
 243                 }
 244         }
 245
 246         $wall = 0;
 247         if($post_type === 'wall' || $post_type === 'wall-comment')
 248                 $wall = 1;
 249
 250         if(! strlen($verb))
 251                 $verb = ACTIVITY_POST ;
 252
 253         $gravity = (($parent) ? 6 : 0 );
 254
 255         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 256
 257         $uri = item_new_uri($a->get_hostname(),$profile_uid);
 258
 259         $datarray = array();
 260         $datarray['uid']           = $profile_uid;
 261         $datarray['type']          = $post_type;
 262         $datarray['wall']          = $wall;
 263         $datarray['gravity']       = $gravity;
 264         $datarray['contact-id']    = $contact_id;
 265         $datarray['owner-name']    = $contact_record['name'];
 266         $datarray['owner-link']    = $contact_record['url'];
 267         $datarray['owner-avatar']  = $contact_record['thumb'];
 268         $datarray['author-name']   = $author['name'];
 269         $datarray['author-link']   = $author['url'];
 270         $datarray['author-avatar'] = $author['thumb'];
 271         $datarray['created']       = datetime_convert();
 272         $datarray['edited']        = datetime_convert();
 273         $datarray['changed']       = datetime_convert();
 274         $datarray['uri']           = $uri;
 275         $datarray['title']         = $title;
 276         $datarray['body']          = $body;
 277         $datarray['location']      = $location;
 278         $datarray['coord']         = $coord;
 279         $datarray['tag']           = $str_tags;
 280         $datarray['inform']        = $inform;
 281         $datarray['verb']          = $verb;
 282         $datarray['allow_cid']     = $str_contact_allow;
 283         $datarray['allow_gid']     = $str_group_allow;
 284         $datarray['deny_cid']      = $str_contact_deny;
 285         $datarray['deny_gid']      = $str_group_deny;
 286         $datarray['private']       = $private;
 287
 288         /**
 289          * These fields are for the convenience of plugins...
 290          * 'self' if true indicates the owner is posting on their own wall
 291          * If parent is 0 it is a top-level post.
 292          */
 293
 294         $datarray['parent']        = $parent;
 295         $datarray['self']          = $self;
 296
 297
 298         call_hooks('post_local',$datarray);
 299
 300         $r = q("INSERT INTO `item` (`uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 301                 `author-name`, `author-link`, `author-avatar`, `created`, `edited`, `changed`, `uri`, `title`, `body`, `location`, `coord`,
 302                 `tag`, `inform`, `verb`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`, `private` )
 303                 VALUES( %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', %d )",
 304                 intval($datarray['uid']),
 305                 dbesc($datarray['type']),
 306                 intval($datarray['wall']),
 307                 intval($datarray['gravity']),
 308                 intval($datarray['contact-id']),
 309                 dbesc($datarray['owner-name']),
 310                 dbesc($datarray['owner-link']),
 311                 dbesc($datarray['owner-avatar']),
 312                 dbesc($datarray['author-name']),
 313                 dbesc($datarray['author-link']),
 314                 dbesc($datarray['author-avatar']),
 315                 dbesc($datarray['created']),
 316                 dbesc($datarray['edited']),
 317                 dbesc($datarray['changed']),
 318                 dbesc($datarray['uri']),
 319                 dbesc($datarray['title']),
 320                 dbesc($datarray['body']),
 321                 dbesc($datarray['location']),
 322                 dbesc($datarray['coord']),
 323                 dbesc($datarray['tag']),
 324                 dbesc($datarray['inform']),
 325                 dbesc($datarray['verb']),
 326                 dbesc($datarray['allow_cid']),
 327                 dbesc($datarray['allow_gid']),
 328                 dbesc($datarray['deny_cid']),
 329                 dbesc($datarray['deny_gid']),
 330                 intval($datarray['private'])
 331         );
 332
 333         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 334                 dbesc($datarray['uri']));
 335         if(count($r)) {
 336                 $post_id = $r[0]['id'];
 337                 logger('mod_item: saved item ' . $post_id);
 338
 339                 if($parent) {
 340
 341                         // This item is the last leaf and gets the comment box, clear any ancestors
 342                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 343                                 dbesc(datetime_convert()),
 344                                 intval($parent)
 345                         );
 346
 347                         // Inherit ACL's from the parent item.
 348
 349                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s', `private` = %d
 350                                 WHERE `id` = %d LIMIT 1",
 351                                 dbesc($parent_item['allow_cid']),
 352                                 dbesc($parent_item['allow_gid']),
 353                                 dbesc($parent_item['deny_cid']),
 354                                 dbesc($parent_item['deny_gid']),
 355                                 intval($parent_item['private']),
 356                                 intval($post_id)
 357                         );
 358
 359                         // Send a notification email to the conversation owner, unless the owner is me and I wrote this item
 360                         if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
 361                                 require_once('bbcode.php');
 362                                 $from = $author['name'];
 363                                 $tpl = load_view_file('view/cmnt_received_eml.tpl');
 364                                 $email_tpl = replace_macros($tpl, array(
 365                                         '$sitename' => $a->config['sitename'],
 366                                         '$siteurl' =>  $a->get_baseurl(),
 367                                         '$username' => $user['username'],
 368                                         '$email' => $user['email'],
 369                                         '$from' => $from,
 370                                         '$display' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 371                                         '$body' => strip_tags(bbcode($datarray['body']))
 372                                 ));
 373
 374                                 $res = mail($user['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
 375                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 376                         }
 377                 }
 378                 else {
 379                         $parent = $post_id;
 380
 381                         // let me know if somebody did a wall-to-wall post on my profile
 382
 383                         if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
 384                                 require_once('bbcode.php');
 385                                 $from = $author['name'];
 386                                 $tpl = load_view_file('view/wall_received_eml.tpl');
 387                                 $email_tpl = replace_macros($tpl, array(
 388                                         '$sitename' => $a->config['sitename'],
 389                                         '$siteurl' =>  $a->get_baseurl(),
 390                                         '$username' => $user['username'],
 391                                         '$email' => $user['email'],
 392                                         '$from' => $from,
 393                                         '$display' => $a->get_baseurl() . '/display/' . $user['nickname'] . '/' . $post_id,
 394                                         '$body' => strip_tags(bbcode($datarray['body']))
 395                                 ));
 396
 397                                 $res = mail($user['email'], $from . t(" posted on your profile wall at ") . $a->config['sitename'],
 398                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 399                         }
 400                 }
 401
 402                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 403                         WHERE `id` = %d LIMIT 1",
 404                         intval($parent),
 405                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 406                         dbesc(datetime_convert()),
 407                         intval($post_id)
 408                 );
 409
 410                 // photo comments turn the corresponding item visible to the profile wall
 411                 // This way we don't see every picture in your new photo album posted to your wall at once.
 412                 // They will show up as people comment on them.
 413
 414                 if(! $parent_item['visible']) {
 415                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 416                                 intval($parent_item['id'])
 417                         );
 418                 }
 419         }
 420
 421         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 422
 423         logger('mod_item: notifier invoked: ' . "\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" &");
 424
 425         proc_run($php_path, "include/notifier.php", $notify_type, "$post_id");
 426
 427         $datarray['id'] = $post_id;
 428
 429         call_hooks('post_local_end', $datarray);
 430
 431         if(strlen($emailcc) && $profile_uid == local_user()) {
 432                 $erecips = explode(',', $emailcc);
 433                 if(count($erecips)) {
 434                         foreach($erecips as $recip) {
 435                                 $addr = trim($recip);
 436                                 if(! strlen($addr))
 437                                         continue;
 438                                 $disclaimer = '<hr />' . t('This message was sent to you by ') . $a->user['username']
 439                                         . t(', a member of the Friendika social network.') . '<br />';
 440                                 $disclaimer .= t('You may visit them online at') . ' '
 441                                         . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '<br />';
 442                                 $disclaimer .= t('Please contact the sender by replying to this post if you do not wish to receive these messages.') . '<br />';
 443
 444                                 $subject  = '[Friendika]' . ' ' . $a->user['username'] . ' ' . t('posted an update.');
 445                                 $headers  = 'From: ' . $a->user['username'] . ' <' . $a->user['email'] . '>' . "\n";
 446                                 $headers .= 'MIME-Version: 1.0' . "\n";
 447                                 $headers .= 'Content-Type: text/html; charset=UTF-8' . "\n";
 448                                 $headers .= 'Content-Transfer-Encoding: 8bit' . "\n\n";
 449                                 $link = '<a href="' . $a->get_baseurl() . '/profile/' . $a->user['nickname'] . '"><img src="' . $author['thumb'] . '" alt="' . $a->user['username'] . '" /></a><br /><br />';
 450                                 $html    = prepare_body($datarray);
 451                                 $message = '<html><body>' . $link . $html . $disclaimer . '</body></html>';
 452                                 @mail($addr, $subject, $message, $headers);
 453                         }
 454                 }
 455         }
 456
 457
 458
 459         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 460         return; // NOTREACHED
 461 }
 462
 463
 464
 465
 466
 467 function item_content(&$a) {
 468
 469         if((! local_user()) && (! remote_user()))
 470                 return;
 471
 472         require_once('include/security.php');
 473
 474         $uid = $_SESSION['uid'];
 475
 476         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 477
 478                 // locate item to be deleted
 479
 480                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 481                         intval($a->argv[2])
 482                 );
 483
 484                 if(! count($r)) {
 485                         notice( t('Item not found.') . EOL);
 486                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 487                 }
 488                 $item = $r[0];
 489
 490                 // check if logged in user is either the author or owner of this item
 491
 492                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
 493
 494                         // delete the item
 495
 496                         $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
 497                                 dbesc(datetime_convert()),
 498                                 dbesc(datetime_convert()),
 499                                 intval($item['id'])
 500                         );
 501
 502                         // If item is a link to a photo resource, nuke all the associated photos
 503                         // (visitors will not have photo resources)
 504                         // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
 505                         // generate a resource-id and therefore aren't intimately linked to the item.
 506
 507                         if(strlen($item['resource-id'])) {
 508                                 $q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
 509                                         dbesc($item['resource-id']),
 510                                         intval($item['uid'])
 511                                 );
 512                                 // ignore the result
 513                         }
 514
 515                         // If it's the parent of a comment thread, kill all the kids
 516
 517                         if($item['uri'] == $item['parent-uri']) {
 518                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
 519                                         WHERE `parent-uri` = '%s' AND `uid` = %d ",
 520                                         dbesc(datetime_convert()),
 521                                         dbesc(datetime_convert()),
 522                                         dbesc($item['parent-uri']),
 523                                         intval($item['uid'])
 524                                 );
 525                                 // ignore the result
 526                         }
 527                         else {
 528                                 // ensure that last-child is set in case the comment that had it just got wiped.
 529                                 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 530                                         dbesc(datetime_convert()),
 531                                         dbesc($item['parent-uri']),
 532                                         intval($item['uid'])
 533                                 );
 534                                 // who is the last child now?
 535                                 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
 536                                         dbesc($item['parent-uri']),
 537                                         intval($item['uid'])
 538                                 );
 539                                 if(count($r)) {
 540                                         q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 541                                                 intval($r[0]['id'])
 542                                         );
 543                                 }
 544                         }
 545                         $drop_id = intval($item['id']);
 546                         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 547
 548                         // send the notification upstream/downstream as the case may be
 549
 550                         //proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" &", array(), $foo));
 551                         proc_run($php_path,"include/notifier.php","drop","$drop_id");
 552
 553                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 554                         return; //NOTREACHED
 555                 }
 556                 else {
 557                         notice( t('Permission denied.') . EOL);
 558                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 559                         //NOTREACHED
 560                 }
 561         }
 562 }