mod/display.php

   1 <?php
   2
   3 function display_init(App $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 (dbm::is_result($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 (dbm::is_result($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 (dbm::is_result($r)) {
  55                         if ($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(App::get_baseurl()))) {
  85                                 $nickname = str_replace(normalise_link(App::get_baseurl())."/profile/", "", normalise_link($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 (dbm::is_result($r)) {
  94                                                 $profiledata = $r[0];
  95                                         }
  96                                         $profiledata["network"] = NETWORK_DFRN;
  97                                 } else {
  98                                         $profiledata = array();
  99                                 }
 100                         }
 101                 } else {
 102                         $a->error = 404;
 103                         notice(t('Item not found.') . EOL);
 104                         return;
 105                 }
 106         }
 107
 108         profile_load($a, $nick, 0, $profiledata);
 109 }
 110
 111 function display_fetchauthor($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                         $skip = true;
 142                 }
 143         }
 144
 145         if (!$skip) {
 146                 $author = "";
 147                 preg_match("/author='(.*?)'/ism", $attributes, $matches);
 148                 if ($matches[1] != "") {
 149                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 150                 }
 151                 preg_match('/author="(.*?)"/ism', $attributes, $matches);
 152                 if ($matches[1] != "") {
 153                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 154                 }
 155                 $profile = "";
 156                 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 157                 if ($matches[1] != "") {
 158                         $profiledata["url"] = $matches[1];
 159                 }
 160                 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 161                 if ($matches[1] != "") {
 162                         $profiledata["url"] = $matches[1];
 163                 }
 164                 $avatar = "";
 165                 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 166                 if ($matches[1] != "") {
 167                         $profiledata["photo"] = $matches[1];
 168                 }
 169                 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 170                 if ($matches[1] != "") {
 171                         $profiledata["photo"] = $matches[1];
 172                 }
 173                 $profiledata["nickname"] = $profiledata["name"];
 174                 $profiledata["network"] = GetProfileUsername($profiledata["url"], "", false, true);
 175
 176                 $profiledata["address"] = "";
 177                 $profiledata["about"] = "";
 178         }
 179
 180         $profiledata = get_contact_details_by_url($profiledata["url"], local_user(), $profiledata);
 181
 182         $profiledata["photo"] = App::remove_baseurl($profiledata["photo"]);
 183
 184         if (local_user()) {
 185                 if (in_array($profiledata["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
 186                         $profiledata["remoteconnect"] = App::get_baseurl()."/follow?url=".urlencode($profiledata["url"]);
 187                 }
 188         } elseif ($profiledata["network"] == NETWORK_DFRN) {
 189                 $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
 190                 $profiledata["remoteconnect"] = $connect;
 191         }
 192
 193         return($profiledata);
 194 }
 195
 196 function display_content(App $a, $update = 0) {
 197
 198         if ((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 199                 notice(t('Public access denied.') . EOL);
 200                 return;
 201         }
 202
 203         require_once('include/security.php');
 204         require_once('include/conversation.php');
 205         require_once('include/acl_selectors.php');
 206
 207
 208         $o = '';
 209
 210         $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
 211
 212
 213         if ($update) {
 214                 $nick = $_REQUEST['nick'];
 215         } else {
 216                 $nick = (($a->argc > 1) ? $a->argv[1] : '');
 217         }
 218
 219         if ($update) {
 220                 $item_id = $_REQUEST['item_id'];
 221                 $a->profile = array('uid' => intval($update), 'profile_uid' => intval($update));
 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 (dbm::is_result($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 (dbm::is_result($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 (dbm::is_result($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($a->profile['uid']));
 269                 if (dbm::is_result($r)) {
 270                         $item_id = $r[0]["id"];
 271                 } else {
 272                         $item_id = false;
 273                 }
 274         }
 275
 276         if (!$item_id) {
 277                 $a->error = 404;
 278                 notice(t('Item not found.').EOL);
 279                 return;
 280         }
 281
 282
 283         $groups = array();
 284
 285         $contact = null;
 286         $remote_contact = false;
 287
 288         $contact_id = 0;
 289
 290         if (is_array($_SESSION['remote'])) {
 291                 foreach ($_SESSION['remote'] as $v) {
 292                         if ($v['uid'] == $a->profile['uid']) {
 293                                 $contact_id = $v['cid'];
 294                                 break;
 295                         }
 296                 }
 297         }
 298
 299         if ($contact_id) {
 300                 $groups = init_groups_visitor($contact_id);
 301                 $r = qu("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 302                         intval($contact_id),
 303                         intval($a->profile['uid'])
 304                 );
 305                 if (dbm::is_result($r)) {
 306                         $contact = $r[0];
 307                         $remote_contact = true;
 308                 }
 309         }
 310
 311         if (!$remote_contact) {
 312                 if (local_user()) {
 313                         $contact_id = $_SESSION['cid'];
 314                         $contact = $a->contact;
 315                 }
 316         }
 317
 318         $r = qu("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
 319                 intval($a->profile['uid'])
 320         );
 321         if (dbm::is_result($r)) {
 322                 $a->page_contact = $r[0];
 323         }
 324         $is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
 325
 326         if ($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
 327                 notice(t('Access to this profile has been restricted.') . EOL);
 328                 return;
 329         }
 330
 331         // We need the editor here to be able to reshare an item.
 332
 333         if ($is_owner) {
 334                 $x = array(
 335                         'is_owner' => true,
 336                         'allow_location' => $a->user['allow_location'],
 337                         'default_location' => $a->user['default-location'],
 338                         'nickname' => $a->user['nickname'],
 339                         'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
 340                         'acl' => populate_acl($a->user, true),
 341                         'bang' => '',
 342                         'visitor' => 'block',
 343                         'profile_uid' => local_user(),
 344                         'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
 345                 );
 346                 $o .= status_editor($a,$x,0,true);
 347         }
 348
 349         $sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
 350
 351         if ($update) {
 352
 353                 $r = qu("SELECT `id` FROM `item` WHERE `item`.`uid` = %d
 354                         AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 355                         $sql_extra AND `unseen`",
 356                         intval($a->profile['uid']),
 357                         intval($item_id)
 358                 );
 359
 360                 if (!$r) {
 361                         return '';
 362                 }
 363         }
 364
 365         $r = qu(item_query()." AND `item`.`uid` = %d
 366                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 367                 $sql_extra
 368                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
 369                 intval($a->profile['uid']),
 370                 intval($item_id)
 371         );
 372
 373
 374         if (!$r && local_user()) {
 375                 // Check if this is another person's link to a post that we have
 376                 $r = qu("SELECT `item`.uri FROM `item`
 377                         WHERE (`item`.`id` = %d OR `item`.`uri` = '%s')
 378                         LIMIT 1",
 379                         intval($item_id),
 380                         dbesc($item_id)
 381                 );
 382                 if (dbm::is_result($r)) {
 383                         $item_uri = $r[0]['uri'];
 384
 385                         $r = qu(item_query()." AND `item`.`uid` = %d
 386                                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
 387                                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
 388                                 intval(local_user()),
 389                                 dbesc($item_uri),
 390                                 intval(local_user())
 391                         );
 392                 }
 393         }
 394
 395         if ($r) {
 396
 397                 if ((local_user()) && (local_user() == $a->profile['uid'])) {
 398                         $unseen = q("SELECT `id` FROM `item` WHERE `unseen` AND `parent` = %d",
 399                                         intval($r[0]['parent']));
 400
 401                         if ($unseen) {
 402                                 q("UPDATE `item` SET `unseen` = 0 WHERE `parent` = %d AND `unseen`",
 403                                         intval($r[0]['parent'])
 404                                 );
 405                         }
 406                 }
 407
 408                 $items = conv_sort($r,"`commented`");
 409
 410                 if (!$update) {
 411                         $o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
 412                 }
 413                 $o .= conversation($a,$items,'display', $update);
 414
 415                 // Preparing the meta header
 416                 require_once('include/bbcode.php');
 417                 require_once("include/html2plain.php");
 418                 $description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
 419                 $title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
 420                 $author_name = $r[0]["author-name"];
 421
 422                 $image = $a->remove_baseurl($r[0]["author-thumb"]);
 423
 424                 if ($title == "") {
 425                         $title = $author_name;
 426                 }
 427
 428                 // Limit the description to 160 characters
 429                 if (strlen($description) > 160) {
 430                         $description = substr($description, 0, 157) . '...';
 431                 }
 432
 433                 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 434                 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 435                 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 436
 437                 //<meta name="keywords" content="">
 438                 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
 439                 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
 440                 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
 441                 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
 442
 443                 // Schema.org microdata
 444                 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
 445                 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
 446                 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
 447                 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
 448
 449                 // Twitter cards
 450                 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
 451                 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
 452                 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
 453                 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
 454                 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
 455
 456                 // Dublin Core
 457                 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
 458                 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
 459
 460                 // Open Graph
 461                 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
 462                 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
 463                 $a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
 464                 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
 465                 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
 466                 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
 467                 // article:tag
 468
 469                 return $o;
 470         }
 471
 472         $r = qu("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
 473                 dbesc($item_id),
 474                 dbesc($item_id)
 475         );
 476         if ($r) {
 477                 if ($r[0]['deleted']) {
 478                         notice(t('Item has been removed.') . EOL );
 479                 } else {
 480                         notice(t('Permission denied.') . EOL );
 481                 }
 482         } else {
 483                 notice(t('Item not found.') . EOL );
 484         }
 485
 486         return $o;
 487 }
 488