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 = $_SESSION['uid'];
  18
  19
  20         $parent = ((x($_POST,'parent')) ? intval($_POST['parent']) : 0);
  21
  22         $parent_item = null;
  23
  24         if($parent) {
  25                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
  26                         intval($parent)
  27                 );
  28                 if(! count($r)) {
  29                         notice( t('Unable to locate original post.') . EOL);
  30                         goaway($a->get_baseurl() . "/" . $_POST['return'] );
  31                 }
  32                 $parent_item = $r[0];
  33         }
  34
  35         $profile_uid = ((x($_POST,'profile_uid')) ? intval($_POST['profile_uid']) : 0);
  36
  37
  38         if(! can_write_wall($a,$profile_uid)) {
  39                 notice( t('Permission denied.') . EOL) ;
  40                 return;
  41         }
  42
  43         $user = null;
  44
  45         $r = q("SELECT * FROM `user` WHERE `uid` = %d LIMIT 1",
  46                 intval($profile_uid)
  47         );
  48         if(count($r))
  49                 $user = $r[0];
  50
  51
  52         $str_group_allow   = perms2str($_POST['group_allow']);
  53         $str_contact_allow = perms2str($_POST['contact_allow']);
  54         $str_group_deny    = perms2str($_POST['group_deny']);
  55         $str_contact_deny  = perms2str($_POST['contact_deny']);
  56
  57         $title             = notags(trim($_POST['title']));
  58         $body              = escape_tags(trim($_POST['body']));
  59         $location          = notags(trim($_POST['location']));
  60         $coord             = notags(trim($_POST['coord']));
  61         $verb              = notags(trim($_POST['verb']));
  62
  63         if(! strlen($body)) {
  64                 notice( t('Empty post discarded.') . EOL );
  65                 goaway($a->get_baseurl() . "/" . $_POST['return'] );
  66
  67         }
  68
  69         // get contact info for poster
  70
  71         $author = null;
  72
  73         if(($_SESSION['uid']) && ($_SESSION['uid'] == $profile_uid)) {
  74                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  75                         intval($_SESSION['uid'])
  76                 );
  77         }
  78         else {
  79                 if((x($_SESSION,'visitor_id')) && (intval($_SESSION['visitor_id']))) {
  80                         $r = q("SELECT * FROM `contact` WHERE `id` = %d LIMIT 1",
  81                                 intval($_SESSION['visitor_id'])
  82                         );
  83                 }
  84         }
  85
  86         if(count($r)) {
  87                 $author = $r[0];
  88                 $contact_id = $author['id'];
  89         }
  90
  91         // get contact info for owner
  92
  93         if($profile_uid == $_SESSION['uid']) {
  94                 $contact_record = $author;
  95         }
  96         else {
  97                 $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
  98                         intval($profile_uid)
  99                 );
 100                 if(count($r))
 101                         $contact_record = $r[0];
 102         }
 103
 104         $post_type = notags(trim($_POST['type']));
 105
 106         if($post_type === 'net-comment') {
 107                 if($parent_item !== null) {
 108                         if($parent_item['type'] === 'remote') {
 109                                 $post_type = 'remote-comment';
 110                         }
 111                         else {
 112                                 $post_type = 'wall-comment';
 113                         }
 114                 }
 115         }
 116
 117         $wall = 0;
 118         if($post_type === 'wall' || $post_type === 'wall-comment')
 119                 $wall = 1;
 120
 121         if(! strlen($verb))
 122                 $verb = ACTIVITY_POST ;
 123
 124         $gravity = (($parent) ? 6 : 0 );
 125
 126         $notify_type = (($parent) ? 'comment-new' : 'wall-new' );
 127
 128         $uri = item_new_uri($a->get_hostname(),$profile_uid);
 129
 130         $r = q("INSERT INTO `item` (`uid`,`type`,`wall`,`gravity`,`contact-id`,`owner-name`,`owner-link`,`owner-avatar`,
 131                 `author-name`, `author-link`, `author-avatar`, `created`,
 132                 `edited`, `changed`, `uri`, `title`, `body`, `location`, `coord`, `verb`, `allow_cid`, `allow_gid`, `deny_cid`, `deny_gid`)
 133                 VALUES( %d, '%s', %d, %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s', '%s' )",
 134                 intval($profile_uid),
 135                 dbesc($post_type),
 136                 intval($wall),
 137                 intval($gravity),
 138                 intval($contact_id),
 139                 dbesc($contact_record['name']),
 140                 dbesc($contact_record['url']),
 141                 dbesc($contact_record['thumb']),
 142                 dbesc($author['name']),
 143                 dbesc($author['url']),
 144                 dbesc($author['thumb']),
 145                 dbesc(datetime_convert()),
 146                 dbesc(datetime_convert()),
 147                 dbesc(datetime_convert()),
 148                 dbesc($uri),
 149                 dbesc($title),
 150                 dbesc($body),
 151                 dbesc($location),
 152                 dbesc($coord),
 153                 dbesc($verb),
 154                 dbesc($str_contact_allow),
 155                 dbesc($str_group_allow),
 156                 dbesc($str_contact_deny),
 157                 dbesc($str_group_deny)
 158         );
 159         $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' LIMIT 1",
 160                 dbesc($uri));
 161         if(count($r)) {
 162                 $post_id = $r[0]['id'];
 163
 164                 if($parent) {
 165
 166                         // This item is the last leaf and gets the comment box, clear any ancestors
 167                         $r = q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent` = %d ",
 168                                 dbesc(datetime_convert()),
 169                                 intval($parent)
 170                         );
 171
 172                         // Inherit ACL's from the parent item.
 173                         // TODO merge with subsequent UPDATE operation and save a db write
 174
 175                         $r = q("UPDATE `item` SET `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s'
 176                                 WHERE `id` = %d LIMIT 1",
 177                                 dbesc($parent_item['allow_cid']),
 178                                 dbesc($parent_item['allow_gid']),
 179                                 dbesc($parent_item['deny_cid']),
 180                                 dbesc($parent_item['deny_gid']),
 181                                 intval($post_id)
 182                         );
 183
 184                         // Send a notification email to the conversation owner, unless the owner is me and I wrote this item
 185                         if(($user['notify-flags'] & NOTIFY_COMMENT) && ($contact_record != $author)) {
 186                                 require_once('bbcode.php');
 187                                 $from = $author['name'];
 188                                 $tpl = load_view_file('view/cmnt_received_eml.tpl');
 189                                 $email_tpl = replace_macros($tpl, array(
 190                                         '$sitename' => $a->config['sitename'],
 191                                         '$siteurl' =>  $a->get_baseurl(),
 192                                         '$username' => $user['username'],
 193                                         '$email' => $user['email'],
 194                                         '$from' => $from,
 195                                         '$body' => strip_tags(bbcode($body))
 196                                 ));
 197
 198                                 $res = mail($user['email'], $from . t(" commented on your item at ") . $a->config['sitename'],
 199                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 200                         }
 201                 }
 202                 else {
 203                         $parent = $post_id;
 204
 205                         // let me know if somebody did a wall-to-wall post on my profile
 206
 207                         if(($user['notify-flags'] & NOTIFY_WALL) && ($contact_record != $author)) {
 208                                 require_once('bbcode.php');
 209                                 $from = $author['name'];
 210                                 $tpl = load_view_file('view/wall_received_eml.tpl');
 211                                 $email_tpl = replace_macros($tpl, array(
 212                                         '$sitename' => $a->config['sitename'],
 213                                         '$siteurl' =>  $a->get_baseurl(),
 214                                         '$username' => $user['username'],
 215                                         '$email' => $user['email'],
 216                                         '$from' => $from,
 217                                         '$body' => strip_tags(bbcode($body))
 218                                 ));
 219
 220                                 $res = mail($user['email'], $from . t(" posted on your profile wall at ") . $a->config['sitename'],
 221                                         $email_tpl,t("From: Administrator@") . $a->get_hostname() );
 222                         }
 223                 }
 224
 225                 $r = q("UPDATE `item` SET `parent` = %d, `parent-uri` = '%s', `changed` = '%s', `last-child` = 1, `visible` = 1
 226                         WHERE `id` = %d LIMIT 1",
 227                         intval($parent),
 228                         dbesc(($parent == $post_id) ? $uri : $parent_item['uri']),
 229                         dbesc(datetime_convert()),
 230                         intval($post_id)
 231                 );
 232
 233                 // photo comments turn the corresponding item visible to the profile wall
 234                 // This way we don't see every picture in your new photo album posted to your wall at once.
 235                 // They will show up as people comment on them.
 236
 237                 if(! $parent_item['visible']) {
 238                         $r = q("UPDATE `item` SET `visible` = 1 WHERE `id` = %d LIMIT 1",
 239                                 intval($parent_item['id'])
 240                         );
 241                 }
 242         }
 243
 244         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 245         $proc_debug = get_config('system','proc_debug');
 246
 247         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"$notify_type\" \"$post_id\" $proc_debug &",
 248                 array(),$foo));
 249
 250         goaway($a->get_baseurl() . "/" . $_POST['return'] );
 251         return; // NOTREACHED
 252 }
 253
 254 function item_content(&$a) {
 255
 256         if((! local_user()) && (! remote_user()))
 257                 return;
 258
 259         require_once('include/security.php');
 260
 261         $uid = $_SESSION['uid'];
 262
 263         if(($a->argc == 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
 264
 265                 // locate item to be deleted
 266
 267                 $r = q("SELECT * FROM `item` WHERE `id` = %d LIMIT 1",
 268                         intval($a->argv[2])
 269                 );
 270
 271                 if(! count($r)) {
 272                         notice( t('Item not found.') . EOL);
 273                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 274                 }
 275                 $item = $r[0];
 276
 277                 // check if logged in user is either the author or owner of this item
 278
 279                 if(($_SESSION['visitor_id'] == $item['contact-id']) || ($_SESSION['uid'] == $item['uid'])) {
 280
 281                         // delete the item
 282
 283                         $r = q("UPDATE `item` SET `deleted` = 1, `body` = '', `edited` = '%s', `changed` = '%s' WHERE `id` = %d LIMIT 1",
 284                                 dbesc(datetime_convert()),
 285                                 dbesc(datetime_convert()),
 286                                 intval($item['id'])
 287                         );
 288
 289                         // If item is a link to a photo resource, nuke all the associated photos
 290                         // (visitors will not have photo resources)
 291                         // This only applies to photos uploaded from the photos page. Photos inserted into a post do not
 292                         // generate a resource-id and therefore aren't intimately linked to the item.
 293
 294                         if(strlen($item['resource-id'])) {
 295                                 $q("DELETE FROM `photo` WHERE `resource-id` = '%s' AND `uid` = %d ",
 296                                         dbesc($item['resource-id']),
 297                                         intval($item['uid'])
 298                                 );
 299                                 // ignore the result
 300                         }
 301
 302                         // If it's the parent of a comment thread, kill all the kids
 303
 304                         if($item['uri'] == $item['parent-uri']) {
 305                                 $r = q("UPDATE `item` SET `deleted` = 1, `edited` = '%s', `changed` = '%s', `body` = ''
 306                                         WHERE `parent-uri` = '%s' AND `uid` = %d ",
 307                                         dbesc(datetime_convert()),
 308                                         dbesc(datetime_convert()),
 309                                         dbesc($item['parent-uri']),
 310                                         intval($item['uid'])
 311                                 );
 312                                 // ignore the result
 313                         }
 314                         else {
 315                                 // ensure that last-child is set in case the comment that had it just got wiped.
 316                                 q("UPDATE `item` SET `last-child` = 0, `changed` = '%s' WHERE `parent-uri` = '%s' AND `uid` = %d ",
 317                                         dbesc(datetime_convert()),
 318                                         dbesc($item['parent-uri']),
 319                                         intval($item['uid'])
 320                                 );
 321                                 // who is the last child now?
 322                                 $r = q("SELECT `id` FROM `item` WHERE `parent-uri` = '%s' AND `type` != 'activity' AND `deleted` = 0 AND `uid` = %d ORDER BY `edited` DESC LIMIT 1",
 323                                         dbesc($item['parent-uri']),
 324                                         intval($item['uid'])
 325                                 );
 326                                 if(count($r)) {
 327                                         q("UPDATE `item` SET `last-child` = 1 WHERE `id` = %d LIMIT 1",
 328                                                 intval($r[0]['id'])
 329                                         );
 330                                 }
 331                         }
 332                         $drop_id = intval($item['id']);
 333                         $php_path = ((strlen($a->config['php_path'])) ? $a->config['php_path'] : 'php');
 334                         $proc_debug = get_config('system','proc_debug');
 335
 336
 337                         // send the notification upstream/downstream as the case may be
 338
 339                         proc_close(proc_open("\"$php_path\" \"include/notifier.php\" \"drop\" \"$drop_id\" $proc_debug &",
 340                                 array(), $foo));
 341
 342                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 343                         return; //NOTREACHED
 344                 }
 345                 else {
 346                         notice( t('Permission denied.') . EOL);
 347                         goaway($a->get_baseurl() . '/' . $_SESSION['return_url']);
 348                         return; //NOTREACHED
 349                 }
 350         }
 351 }