mod/display.php

   1 <?php
   2
   3 function display_init(&$a) {
   4
   5         if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
   6                 return;
   7         }
   8
   9         $nick = (($a->argc > 1) ? $a->argv[1] : '');
  10         $profiledata = array();
  11
  12         // If there is only one parameter, then check if this parameter could be a guid
  13         if ($a->argc == 2) {
  14                 $nick = "";
  15                 $itemuid = 0;
  16
  17                 // Does the local user have this item?
  18                 if (local_user()) {
  19                         $r = qu("SELECT `id`, `parent`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item`
  20                                 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  21                                         AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
  22                         if (count($r)) {
  23                                 $nick = $a->user["nickname"];
  24                                 $itemuid = local_user();
  25                         }
  26                 }
  27
  28                 // Or is it anywhere on the server?
  29                 if ($nick == "") {
  30                         $r = qu("SELECT `user`.`nickname`, `item`.`id`, `item`.`parent`, `item`.`author-name`,
  31                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`owner-link`, `item`.`body`
  32                                 FROM `item` STRAIGHT_JOIN `user` ON `user`.`uid` = `item`.`uid`
  33                                 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  34                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  35                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  36                                         AND NOT `item`.`private` AND NOT `user`.`hidewall`
  37                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
  38                         if (count($r)) {
  39                                 $nick = $r[0]["nickname"];
  40                                 $itemuid = $r[0]["uid"];
  41                         }
  42                 }
  43
  44                 // Is it an item with uid=0?
  45                 if ($nick == "") {
  46                         $r = qu("SELECT `item`.`id`, `item`.`parent`, `item`.`author-name`, `item`.`author-link`,
  47                                 `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`owner-link`, `item`.`body`
  48                                 FROM `item` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  49                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  50                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  51                                         AND NOT `item`.`private` AND `item`.`uid` = 0
  52                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
  53                 }
  54                 if (count($r)) {
  55                         if ($r[0]["id"] != $r[0]["parent"])
  56                                 $r = qu("SELECT `id`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item`
  57                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  58                                                 AND `id` = %d", $r[0]["parent"]);
  59
  60                         if (($itemuid != local_user()) AND local_user()) {
  61                                 // Do we know this contact but we haven't got this item?
  62                                 // Copy the wohle thread to our local storage so that we can interact.
  63                                 // We really should change this need for the future since it scales very bad.
  64                                 $contactid = get_contact($r[0]['owner-link'], local_user());
  65                                 if ($contactid) {
  66                                         $items = qu("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id`", intval($r[0]["id"]));
  67                                         foreach ($items AS $item) {
  68                                                 $itemcontactid = get_contact($item['owner-link'], local_user());
  69                                                 if (!$itemcontactid)
  70                                                         $itemcontactid = $contactid;
  71
  72                                                 unset($item['id']);
  73                                                 $item['uid'] = local_user();
  74                                                 $item['origin'] = 0;
  75                                                 $item['contact-id'] = $itemcontactid;
  76                                                 $local_copy = item_store($item, false, false, true);
  77                                                 logger("Stored local copy for post ".$item['guid']." under id ".$local_copy, LOGGER_DEBUG);
  78                                         }
  79                                 }
  80                         }
  81
  82                         $profiledata = display_fetchauthor($a, $r[0]);
  83
  84                         if (strstr(normalise_link($profiledata["url"]), normalise_link($a->get_baseurl()))) {
  85                                 $nickname = str_replace(normalise_link($a->get_baseurl())."/profile/", "", normalise_link($profiledata["url"]));
  86
  87                                 if (($nickname != $a->user["nickname"])) {
  88                                         $r = qu("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
  89                                                 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
  90                                                 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
  91                                                 dbesc($nickname)
  92                                         );
  93                                         if (count($r))
  94                                                 $profiledata = $r[0];
  95
  96                                         $profiledata["network"] = NETWORK_DFRN;
  97                                 } else
  98                                         $profiledata = array();
  99                         }
 100                 } else {
 101                         $a->error = 404;
 102                         notice( t('Item not found.') . EOL);
 103                         return;
 104                 }
 105         }
 106
 107         profile_load($a, $nick, 0, $profiledata);
 108
 109 }
 110
 111 function display_fetchauthor($a, $item) {
 112
 113         require_once("include/Contact.php");
 114
 115         $profiledata = array();
 116         $profiledata["uid"] = -1;
 117         $profiledata["nickname"] = $item["author-name"];
 118         $profiledata["name"] = $item["author-name"];
 119         $profiledata["picdate"] = "";
 120         $profiledata["photo"] = $item["author-avatar"];
 121         $profiledata["url"] = $item["author-link"];
 122         $profiledata["network"] = $item["network"];
 123
 124         // Check for a repeated message
 125         $skip = false;
 126         $body = trim($item["body"]);
 127
 128         // Skip if it isn't a pure repeated messages
 129         // Does it start with a share?
 130         if (!$skip AND strpos($body, "[share") > 0)
 131                 $skip = true;
 132
 133         // Does it end with a share?
 134         if (!$skip AND (strlen($body) > (strrpos($body, "[/share]") + 8)))
 135                 $skip = true;
 136
 137         if (!$skip) {
 138                 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
 139                 // Skip if there is no shared message in there
 140                 if ($body == $attributes)
 141                         $skip = true;
 142         }
 143
 144         if (!$skip) {
 145                 $author = "";
 146                 preg_match("/author='(.*?)'/ism", $attributes, $matches);
 147                 if ($matches[1] != "")
 148                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 149
 150                 preg_match('/author="(.*?)"/ism', $attributes, $matches);
 151                 if ($matches[1] != "")
 152                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 153
 154                 $profile = "";
 155                 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 156                 if ($matches[1] != "")
 157                         $profiledata["url"] = $matches[1];
 158
 159                 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 160                 if ($matches[1] != "")
 161                         $profiledata["url"] = $matches[1];
 162
 163                 $avatar = "";
 164                 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 165                 if ($matches[1] != "")
 166                         $profiledata["photo"] = $matches[1];
 167
 168                 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 169                 if ($matches[1] != "")
 170                         $profiledata["photo"] = $matches[1];
 171
 172                 $profiledata["nickname"] = $profiledata["name"];
 173                 $profiledata["network"] = GetProfileUsername($profiledata["url"], "", false, true);
 174
 175                 $profiledata["address"] = "";
 176                 $profiledata["about"] = "";
 177         }
 178
 179         $profiledata = get_contact_details_by_url($profiledata["url"], local_user(), $profiledata);
 180
 181         $profiledata["photo"] = App::remove_baseurl($profiledata["photo"]);
 182
 183         if (local_user()) {
 184                 if (in_array($profiledata["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)))
 185                         $profiledata["remoteconnect"] = $a->get_baseurl()."/follow?url=".urlencode($profiledata["url"]);
 186         } elseif ($profiledata["network"] == NETWORK_DFRN) {
 187                 $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
 188                 $profiledata["remoteconnect"] = $connect;
 189         }
 190
 191         return($profiledata);
 192 }
 193
 194 function display_content(&$a, $update = 0) {
 195
 196         if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 197                 notice( t('Public access denied.') . EOL);
 198                 return;
 199         }
 200
 201         require_once('include/security.php');
 202         require_once('include/conversation.php');
 203         require_once('include/acl_selectors.php');
 204
 205
 206         $o = '';
 207
 208         $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
 209
 210
 211         if($update) {
 212                 $nick = $_REQUEST['nick'];
 213         }
 214         else {
 215                 $nick = (($a->argc > 1) ? $a->argv[1] : '');
 216         }
 217
 218         if($update) {
 219                 $item_id = $_REQUEST['item_id'];
 220                 $a->profile = array('uid' => intval($update), 'profile_uid' => intval($update));
 221         }
 222         else {
 223                 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
 224
 225                 if ($a->argc == 2) {
 226                         $nick = "";
 227
 228                         if (local_user()) {
 229                                 $r = qu("SELECT `id` FROM `item`
 230                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 231                                                 AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
 232                                 if (count($r)) {
 233                                         $item_id = $r[0]["id"];
 234                                         $nick = $a->user["nickname"];
 235                                 }
 236                         }
 237
 238                         if ($nick == "") {
 239                                 $r = qu("SELECT `user`.`nickname`, `item`.`id` FROM `item` STRAIGHT_JOIN `user` ON `user`.`uid` = `item`.`uid`
 240                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 241                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 242                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 243                                                 AND NOT `item`.`private` AND NOT `user`.`hidewall`
 244                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 245                                         //      AND NOT `item`.`private` AND `item`.`wall`
 246                                 if (count($r)) {
 247                                         $item_id = $r[0]["id"];
 248                                         $nick = $r[0]["nickname"];
 249                                 }
 250                         }
 251                         if ($nick == "") {
 252                                 $r = qu("SELECT `item`.`id` FROM `item`
 253                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 254                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 255                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 256                                                 AND NOT `item`.`private` AND `item`.`uid` = 0
 257                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 258                                         //      AND NOT `item`.`private` AND `item`.`wall`
 259                                 if (count($r)) {
 260                                         $item_id = $r[0]["id"];
 261                                 }
 262                         }
 263                 }
 264         }
 265
 266         if ($item_id AND !is_numeric($item_id)) {
 267                 $r = qu("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 268                         dbesc($item_id), intval($a->profile['uid']));
 269                 if ($r)
 270                         $item_id = $r[0]["id"];
 271                 else
 272                         $item_id = false;
 273         }
 274
 275         if (!$item_id) {
 276                 $a->error = 404;
 277                 notice(t('Item not found.').EOL);
 278                 return;
 279         }
 280
 281
 282         $groups = array();
 283
 284         $contact = null;
 285         $remote_contact = false;
 286
 287         $contact_id = 0;
 288
 289         if(is_array($_SESSION['remote'])) {
 290                 foreach($_SESSION['remote'] as $v) {
 291                         if($v['uid'] == $a->profile['uid']) {
 292                                 $contact_id = $v['cid'];
 293                                 break;
 294                         }
 295                 }
 296         }
 297
 298         if($contact_id) {
 299                 $groups = init_groups_visitor($contact_id);
 300                 $r = qu("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 301                         intval($contact_id),
 302                         intval($a->profile['uid'])
 303                 );
 304                 if(count($r)) {
 305                         $contact = $r[0];
 306                         $remote_contact = true;
 307                 }
 308         }
 309
 310         if(! $remote_contact) {
 311                 if(local_user()) {
 312                         $contact_id = $_SESSION['cid'];
 313                         $contact = $a->contact;
 314                 }
 315         }
 316
 317         $r = qu("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
 318                 intval($a->profile['uid'])
 319         );
 320         if(count($r))
 321                 $a->page_contact = $r[0];
 322
 323         $is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
 324
 325         if($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
 326                 notice( t('Access to this profile has been restricted.') . EOL);
 327                 return;
 328         }
 329
 330         // We need the editor here to be able to reshare an item.
 331
 332         if ($is_owner) {
 333                 $x = array(
 334                         'is_owner' => true,
 335                         'allow_location' => $a->user['allow_location'],
 336                         'default_location' => $a->user['default-location'],
 337                         'nickname' => $a->user['nickname'],
 338                         'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
 339                         'acl' => populate_acl($a->user, true),
 340                         'bang' => '',
 341                         'visitor' => 'block',
 342                         'profile_uid' => local_user(),
 343                         'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
 344                 );
 345                 $o .= status_editor($a,$x,0,true);
 346         }
 347
 348         $sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
 349
 350         if($update) {
 351
 352                 $r = qu("SELECT `id` FROM `item` WHERE `item`.`uid` = %d
 353                         AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 354                         $sql_extra AND `unseen`",
 355                         intval($a->profile['uid']),
 356                         intval($item_id)
 357                 );
 358
 359                 if(!$r)
 360                         return '';
 361         }
 362
 363         $r = qu(item_query()." AND `item`.`uid` = %d
 364                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 365                 $sql_extra
 366                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
 367                 intval($a->profile['uid']),
 368                 intval($item_id)
 369         );
 370
 371
 372         if(!$r && local_user()) {
 373                 // Check if this is another person's link to a post that we have
 374                 $r = qu("SELECT `item`.uri FROM `item`
 375                         WHERE (`item`.`id` = %d OR `item`.`uri` = '%s')
 376                         LIMIT 1",
 377                         intval($item_id),
 378                         dbesc($item_id)
 379                 );
 380                 if($r) {
 381                         $item_uri = $r[0]['uri'];
 382
 383                         $r = qu(item_query()." AND `item`.`uid` = %d
 384                                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
 385                                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
 386                                 intval(local_user()),
 387                                 dbesc($item_uri),
 388                                 intval(local_user())
 389                         );
 390                 }
 391         }
 392
 393         if($r) {
 394
 395                 if((local_user()) && (local_user() == $a->profile['uid'])) {
 396                         $unseen = q("SELECT `id` FROM `item` WHERE `unseen` AND `parent` = %d",
 397                                         intval($r[0]['parent']));
 398
 399                         if ($unseen)
 400                                 q("UPDATE `item` SET `unseen` = 0
 401                                         WHERE `parent` = %d AND `unseen`",
 402                                         intval($r[0]['parent'])
 403                                 );
 404                 }
 405
 406                 $items = conv_sort($r,"`commented`");
 407
 408                 if(!$update)
 409                         $o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
 410                 $o .= conversation($a,$items,'display', $update);
 411
 412                 // Preparing the meta header
 413                 require_once('include/bbcode.php');
 414                 require_once("include/html2plain.php");
 415                 $description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
 416                 $title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
 417                 $author_name = $r[0]["author-name"];
 418
 419                 $image = $a->remove_baseurl($r[0]["thumb"]);
 420
 421                 if ($title == "")
 422                         $title = $author_name;
 423
 424                 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 425                 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 426                 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 427
 428                 //<meta name="keywords" content="">
 429                 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
 430                 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
 431                 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
 432                 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
 433
 434                 // Schema.org microdata
 435                 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
 436                 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
 437                 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
 438                 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
 439
 440                 // Twitter cards
 441                 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
 442                 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
 443                 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
 444                 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
 445                 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
 446
 447                 // Dublin Core
 448                 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
 449                 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
 450
 451                 // Open Graph
 452                 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
 453                 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
 454                 $a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
 455                 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
 456                 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
 457                 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
 458                 // article:tag
 459
 460                 return $o;
 461         }
 462
 463         $r = qu("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
 464                 dbesc($item_id),
 465                 dbesc($item_id)
 466         );
 467         if($r) {
 468                 if($r[0]['deleted']) {
 469                         notice( t('Item has been removed.') . EOL );
 470                 }
 471                 else {
 472                         notice( t('Permission denied.') . EOL );
 473                 }
 474         }
 475         else {
 476                 notice( t('Item not found.') . EOL );
 477         }
 478
 479         return $o;
 480 }
 481