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, $profiledata);
 109
 110 }
 111
 112 function display_fetchauthor($a, $item) {
 113
 114         require_once("include/Contact.php");
 115
 116         $profiledata = array();
 117         $profiledata["uid"] = -1;
 118         $profiledata["nickname"] = $item["author-name"];
 119         $profiledata["name"] = $item["author-name"];
 120         $profiledata["picdate"] = "";
 121         $profiledata["photo"] = $item["author-avatar"];
 122         $profiledata["url"] = $item["author-link"];
 123         $profiledata["network"] = $item["network"];
 124
 125         // Check for a repeated message
 126         $skip = false;
 127         $body = trim($item["body"]);
 128
 129         // Skip if it isn't a pure repeated messages
 130         // Does it start with a share?
 131         if (!$skip AND strpos($body, "[share") > 0) {
 132                 $skip = true;
 133         }
 134         // Does it end with a share?
 135         if (!$skip AND (strlen($body) > (strrpos($body, "[/share]") + 8))) {
 136                 $skip = true;
 137         }
 138         if (!$skip) {
 139                 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
 140                 // Skip if there is no shared message in there
 141                 if ($body == $attributes) {
 142                         $skip = true;
 143                 }
 144         }
 145
 146         if (!$skip) {
 147                 $author = "";
 148                 preg_match("/author='(.*?)'/ism", $attributes, $matches);
 149                 if ($matches[1] != "") {
 150                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 151                 }
 152                 preg_match('/author="(.*?)"/ism', $attributes, $matches);
 153                 if ($matches[1] != "") {
 154                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 155                 }
 156                 $profile = "";
 157                 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 158                 if ($matches[1] != "") {
 159                         $profiledata["url"] = $matches[1];
 160                 }
 161                 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 162                 if ($matches[1] != "") {
 163                         $profiledata["url"] = $matches[1];
 164                 }
 165                 $avatar = "";
 166                 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 167                 if ($matches[1] != "") {
 168                         $profiledata["photo"] = $matches[1];
 169                 }
 170                 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 171                 if ($matches[1] != "") {
 172                         $profiledata["photo"] = $matches[1];
 173                 }
 174                 $profiledata["nickname"] = $profiledata["name"];
 175                 $profiledata["network"] = GetProfileUsername($profiledata["url"], "", false, true);
 176
 177                 $profiledata["address"] = "";
 178                 $profiledata["about"] = "";
 179         }
 180
 181         $profiledata = get_contact_details_by_url($profiledata["url"], local_user(), $profiledata);
 182
 183         $profiledata["photo"] = App::remove_baseurl($profiledata["photo"]);
 184
 185         if (local_user()) {
 186                 if (in_array($profiledata["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
 187                         $profiledata["remoteconnect"] = App::get_baseurl()."/follow?url=".urlencode($profiledata["url"]);
 188                 }
 189         } elseif ($profiledata["network"] == NETWORK_DFRN) {
 190                 $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
 191                 $profiledata["remoteconnect"] = $connect;
 192         }
 193
 194         return($profiledata);
 195 }
 196
 197 function display_content(App $a, $update = 0) {
 198
 199         if ((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 200                 notice(t('Public access denied.') . EOL);
 201                 return;
 202         }
 203
 204         require_once('include/security.php');
 205         require_once('include/conversation.php');
 206         require_once('include/acl_selectors.php');
 207
 208
 209         $o = '';
 210
 211         $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
 212
 213
 214         if ($update) {
 215                 $nick = $_REQUEST['nick'];
 216         } else {
 217                 $nick = (($a->argc > 1) ? $a->argv[1] : '');
 218         }
 219
 220         if ($update) {
 221                 $item_id = $_REQUEST['item_id'];
 222                 $a->profile = array('uid' => intval($update), 'profile_uid' => intval($update));
 223         } else {
 224                 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
 225
 226                 if ($a->argc == 2) {
 227                         $nick = "";
 228
 229                         if (local_user()) {
 230                                 $r = qu("SELECT `id` FROM `item`
 231                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 232                                                 AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
 233                                 if (dbm::is_result($r)) {
 234                                         $item_id = $r[0]["id"];
 235                                         $nick = $a->user["nickname"];
 236                                 }
 237                         }
 238
 239                         if ($nick == "") {
 240                                 $r = qu("SELECT `user`.`nickname`, `item`.`id` FROM `item` STRAIGHT_JOIN `user` ON `user`.`uid` = `item`.`uid`
 241                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 242                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 243                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 244                                                 AND NOT `item`.`private` AND NOT `user`.`hidewall`
 245                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 246                                         //      AND NOT `item`.`private` AND `item`.`wall`
 247                                 if (dbm::is_result($r)) {
 248                                         $item_id = $r[0]["id"];
 249                                         $nick = $r[0]["nickname"];
 250                                 }
 251                         }
 252                         if ($nick == "") {
 253                                 $r = qu("SELECT `item`.`id` FROM `item`
 254                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 255                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 256                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 257                                                 AND NOT `item`.`private` AND `item`.`uid` = 0
 258                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 259                                         //      AND NOT `item`.`private` AND `item`.`wall`
 260                                 if (dbm::is_result($r)) {
 261                                         $item_id = $r[0]["id"];
 262                                 }
 263                         }
 264                 }
 265         }
 266
 267         if ($item_id AND !is_numeric($item_id)) {
 268                 $r = qu("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 269                         dbesc($item_id), intval($a->profile['uid']));
 270                 if (dbm::is_result($r)) {
 271                         $item_id = $r[0]["id"];
 272                 } else {
 273                         $item_id = false;
 274                 }
 275         }
 276
 277         if (!$item_id) {
 278                 $a->error = 404;
 279                 notice(t('Item not found.').EOL);
 280                 return;
 281         }
 282
 283
 284         $groups = array();
 285
 286         $contact = null;
 287         $remote_contact = false;
 288
 289         $contact_id = 0;
 290
 291         if (is_array($_SESSION['remote'])) {
 292                 foreach ($_SESSION['remote'] as $v) {
 293                         if ($v['uid'] == $a->profile['uid']) {
 294                                 $contact_id = $v['cid'];
 295                                 break;
 296                         }
 297                 }
 298         }
 299
 300         if ($contact_id) {
 301                 $groups = init_groups_visitor($contact_id);
 302                 $r = qu("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 303                         intval($contact_id),
 304                         intval($a->profile['uid'])
 305                 );
 306                 if (dbm::is_result($r)) {
 307                         $contact = $r[0];
 308                         $remote_contact = true;
 309                 }
 310         }
 311
 312         if (!$remote_contact) {
 313                 if (local_user()) {
 314                         $contact_id = $_SESSION['cid'];
 315                         $contact = $a->contact;
 316                 }
 317         }
 318
 319         $r = qu("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
 320                 intval($a->profile['uid'])
 321         );
 322         if (dbm::is_result($r)) {
 323                 $a->page_contact = $r[0];
 324         }
 325         $is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
 326
 327         if ($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
 328                 notice(t('Access to this profile has been restricted.') . EOL);
 329                 return;
 330         }
 331
 332         // We need the editor here to be able to reshare an item.
 333
 334         if ($is_owner) {
 335                 $x = array(
 336                         'is_owner' => true,
 337                         'allow_location' => $a->user['allow_location'],
 338                         'default_location' => $a->user['default-location'],
 339                         'nickname' => $a->user['nickname'],
 340                         'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
 341                         'acl' => populate_acl($a->user, true),
 342                         'bang' => '',
 343                         'visitor' => 'block',
 344                         'profile_uid' => local_user(),
 345                         'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
 346                 );
 347                 $o .= status_editor($a,$x,0,true);
 348         }
 349
 350         $sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
 351
 352         if ($update) {
 353
 354                 $r = qu("SELECT `id` FROM `item` WHERE `item`.`uid` = %d
 355                         AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 356                         $sql_extra AND `unseen`",
 357                         intval($a->profile['uid']),
 358                         intval($item_id)
 359                 );
 360
 361                 if (!$r) {
 362                         return '';
 363                 }
 364         }
 365
 366         $r = qu(item_query()." AND `item`.`uid` = %d
 367                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 368                 $sql_extra
 369                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
 370                 intval($a->profile['uid']),
 371                 intval($item_id)
 372         );
 373
 374
 375         if (!$r && local_user()) {
 376                 // Check if this is another person's link to a post that we have
 377                 $r = qu("SELECT `item`.uri FROM `item`
 378                         WHERE (`item`.`id` = %d OR `item`.`uri` = '%s')
 379                         LIMIT 1",
 380                         intval($item_id),
 381                         dbesc($item_id)
 382                 );
 383                 if (dbm::is_result($r)) {
 384                         $item_uri = $r[0]['uri'];
 385
 386                         $r = qu(item_query()." AND `item`.`uid` = %d
 387                                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
 388                                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
 389                                 intval(local_user()),
 390                                 dbesc($item_uri),
 391                                 intval(local_user())
 392                         );
 393                 }
 394         }
 395
 396         if ($r) {
 397
 398                 if ((local_user()) && (local_user() == $a->profile['uid'])) {
 399                         $unseen = q("SELECT `id` FROM `item` WHERE `unseen` AND `parent` = %d",
 400                                         intval($r[0]['parent']));
 401
 402                         if ($unseen) {
 403                                 q("UPDATE `item` SET `unseen` = 0 WHERE `parent` = %d AND `unseen`",
 404                                         intval($r[0]['parent'])
 405                                 );
 406                         }
 407                 }
 408
 409                 $items = conv_sort($r,"`commented`");
 410
 411                 if (!$update) {
 412                         $o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
 413                 }
 414                 $o .= conversation($a,$items,'display', $update);
 415
 416                 // Preparing the meta header
 417                 require_once('include/bbcode.php');
 418                 require_once("include/html2plain.php");
 419                 $description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
 420                 $title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
 421                 $author_name = $r[0]["author-name"];
 422
 423                 $image = $a->remove_baseurl($r[0]["author-thumb"]);
 424
 425                 if ($title == "") {
 426                         $title = $author_name;
 427                 }
 428
 429                 // Limit the description to 160 characters
 430                 if (strlen($description) > 160) {
 431                         $description = substr($description, 0, 157) . '...';
 432                 }
 433
 434                 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 435                 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 436                 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 437
 438                 //<meta name="keywords" content="">
 439                 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
 440                 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
 441                 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
 442                 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
 443
 444                 // Schema.org microdata
 445                 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
 446                 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
 447                 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
 448                 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
 449
 450                 // Twitter cards
 451                 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
 452                 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
 453                 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
 454                 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
 455                 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
 456
 457                 // Dublin Core
 458                 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
 459                 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
 460
 461                 // Open Graph
 462                 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
 463                 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
 464                 $a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
 465                 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
 466                 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
 467                 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
 468                 // article:tag
 469
 470                 return $o;
 471         }
 472
 473         $r = qu("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
 474                 dbesc($item_id),
 475                 dbesc($item_id)
 476         );
 477         if ($r) {
 478                 if ($r[0]['deleted']) {
 479                         notice(t('Item has been removed.') . EOL );
 480                 } else {
 481                         notice(t('Permission denied.') . EOL );
 482                 }
 483         } else {
 484                 notice(t('Item not found.') . EOL );
 485         }
 486
 487         return $o;
 488 }
 489