mod/display.php

   1 <?php
   2
   3 use Friendica\App;
   4
   5 function display_init(App $a) {
   6
   7         if ((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
   8                 return;
   9         }
  10
  11         $nick = (($a->argc > 1) ? $a->argv[1] : '');
  12         $profiledata = array();
  13
  14         // If there is only one parameter, then check if this parameter could be a guid
  15         if ($a->argc == 2) {
  16                 $nick = "";
  17                 $itemuid = 0;
  18
  19                 // Does the local user have this item?
  20                 if (local_user()) {
  21                         $r = qu("SELECT `id`, `parent`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item`
  22                                 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  23                                         AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
  24                         if (dbm::is_result($r)) {
  25                                 $nick = $a->user["nickname"];
  26                                 $itemuid = local_user();
  27                         }
  28                 }
  29
  30                 // Or is it anywhere on the server?
  31                 if ($nick == "") {
  32                         $r = qu("SELECT `user`.`nickname`, `item`.`id`, `item`.`parent`, `item`.`author-name`,
  33                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`owner-link`, `item`.`body`
  34                                 FROM `item` STRAIGHT_JOIN `user` ON `user`.`uid` = `item`.`uid`
  35                                 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  36                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  37                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  38                                         AND NOT `item`.`private` AND NOT `user`.`hidewall`
  39                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
  40                         if (dbm::is_result($r)) {
  41                                 $nick = $r[0]["nickname"];
  42                                 $itemuid = $r[0]["uid"];
  43                         }
  44                 }
  45
  46                 // Is it an item with uid=0?
  47                 if ($nick == "") {
  48                         $r = qu("SELECT `item`.`id`, `item`.`parent`, `item`.`author-name`, `item`.`author-link`,
  49                                 `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`owner-link`, `item`.`body`
  50                                 FROM `item` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  51                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  52                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  53                                         AND NOT `item`.`private` AND `item`.`uid` = 0
  54                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
  55                 }
  56                 if (dbm::is_result($r)) {
  57                         if ($r[0]["id"] != $r[0]["parent"]) {
  58                                 $r = qu("SELECT `id`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item`
  59                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  60                                                 AND `id` = %d", $r[0]["parent"]);
  61                         }
  62                         if (($itemuid != local_user()) && local_user()) {
  63                                 // Do we know this contact but we haven't got this item?
  64                                 // Copy the wohle thread to our local storage so that we can interact.
  65                                 // We really should change this need for the future since it scales very bad.
  66                                 $contactid = get_contact($r[0]['owner-link'], local_user());
  67                                 if ($contactid) {
  68                                         $items = qu("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id`", intval($r[0]["id"]));
  69                                         foreach ($items AS $item) {
  70                                                 $itemcontactid = get_contact($item['owner-link'], local_user());
  71                                                 if (!$itemcontactid) {
  72                                                         $itemcontactid = $contactid;
  73                                                 }
  74                                                 unset($item['id']);
  75                                                 $item['uid'] = local_user();
  76                                                 $item['origin'] = 0;
  77                                                 $item['contact-id'] = $itemcontactid;
  78                                                 $local_copy = item_store($item, false, false, true);
  79                                                 logger("Stored local copy for post ".$item['guid']." under id ".$local_copy, LOGGER_DEBUG);
  80                                         }
  81                                 }
  82                         }
  83
  84                         $profiledata = display_fetchauthor($a, $r[0]);
  85
  86                         if (strstr(normalise_link($profiledata["url"]), normalise_link(App::get_baseurl()))) {
  87                                 $nickname = str_replace(normalise_link(App::get_baseurl())."/profile/", "", normalise_link($profiledata["url"]));
  88
  89                                 if (($nickname != $a->user["nickname"])) {
  90                                         $r = qu("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
  91                                                 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
  92                                                 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
  93                                                 dbesc($nickname)
  94                                         );
  95                                         if (dbm::is_result($r)) {
  96                                                 $profiledata = $r[0];
  97                                         }
  98                                         $profiledata["network"] = NETWORK_DFRN;
  99                                 } else {
 100                                         $profiledata = array();
 101                                 }
 102                         }
 103                 } else {
 104                         $a->error = 404;
 105                         notice(t('Item not found.') . EOL);
 106                         return;
 107                 }
 108         }
 109
 110         profile_load($a, $nick, 0, $profiledata);
 111 }
 112
 113 function display_fetchauthor($a, $item) {
 114
 115         require_once("include/Contact.php");
 116
 117         $profiledata = array();
 118         $profiledata["uid"] = -1;
 119         $profiledata["nickname"] = $item["author-name"];
 120         $profiledata["name"] = $item["author-name"];
 121         $profiledata["picdate"] = "";
 122         $profiledata["photo"] = $item["author-avatar"];
 123         $profiledata["url"] = $item["author-link"];
 124         $profiledata["network"] = $item["network"];
 125
 126         // Check for a repeated message
 127         $skip = false;
 128         $body = trim($item["body"]);
 129
 130         // Skip if it isn't a pure repeated messages
 131         // Does it start with a share?
 132         if (!$skip && strpos($body, "[share") > 0) {
 133                 $skip = true;
 134         }
 135         // Does it end with a share?
 136         if (!$skip && (strlen($body) > (strrpos($body, "[/share]") + 8))) {
 137                 $skip = true;
 138         }
 139         if (!$skip) {
 140                 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
 141                 // Skip if there is no shared message in there
 142                 if ($body == $attributes) {
 143                         $skip = true;
 144                 }
 145         }
 146
 147         if (!$skip) {
 148                 $author = "";
 149                 preg_match("/author='(.*?)'/ism", $attributes, $matches);
 150                 if ($matches[1] != "") {
 151                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 152                 }
 153                 preg_match('/author="(.*?)"/ism', $attributes, $matches);
 154                 if ($matches[1] != "") {
 155                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
 156                 }
 157                 $profile = "";
 158                 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
 159                 if ($matches[1] != "") {
 160                         $profiledata["url"] = $matches[1];
 161                 }
 162                 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
 163                 if ($matches[1] != "") {
 164                         $profiledata["url"] = $matches[1];
 165                 }
 166                 $avatar = "";
 167                 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
 168                 if ($matches[1] != "") {
 169                         $profiledata["photo"] = $matches[1];
 170                 }
 171                 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
 172                 if ($matches[1] != "") {
 173                         $profiledata["photo"] = $matches[1];
 174                 }
 175                 $profiledata["nickname"] = $profiledata["name"];
 176                 $profiledata["network"] = GetProfileUsername($profiledata["url"], "", false, true);
 177
 178                 $profiledata["address"] = "";
 179                 $profiledata["about"] = "";
 180         }
 181
 182         $profiledata = get_contact_details_by_url($profiledata["url"], local_user(), $profiledata);
 183
 184         $profiledata["photo"] = App::remove_baseurl($profiledata["photo"]);
 185
 186         if (local_user()) {
 187                 if (in_array($profiledata["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS))) {
 188                         $profiledata["remoteconnect"] = App::get_baseurl()."/follow?url=".urlencode($profiledata["url"]);
 189                 }
 190         } elseif ($profiledata["network"] == NETWORK_DFRN) {
 191                 $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
 192                 $profiledata["remoteconnect"] = $connect;
 193         }
 194
 195         return($profiledata);
 196 }
 197
 198 function display_content(App $a, $update = 0) {
 199
 200         if ((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
 201                 notice(t('Public access denied.') . EOL);
 202                 return;
 203         }
 204
 205         require_once('include/security.php');
 206         require_once('include/conversation.php');
 207         require_once('include/acl_selectors.php');
 208
 209
 210         $o = '';
 211
 212         $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
 213
 214
 215         if ($update) {
 216                 $nick = $_REQUEST['nick'];
 217         } else {
 218                 $nick = (($a->argc > 1) ? $a->argv[1] : '');
 219         }
 220
 221         if ($update) {
 222                 $item_id = $_REQUEST['item_id'];
 223                 $a->profile = array('uid' => intval($update), 'profile_uid' => intval($update));
 224         } else {
 225                 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
 226
 227                 if ($a->argc == 2) {
 228                         $nick = "";
 229
 230                         if (local_user()) {
 231                                 $r = qu("SELECT `id` FROM `item`
 232                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 233                                                 AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
 234                                 if (dbm::is_result($r)) {
 235                                         $item_id = $r[0]["id"];
 236                                         $nick = $a->user["nickname"];
 237                                 }
 238                         }
 239
 240                         if ($nick == "") {
 241                                 $r = qu("SELECT `user`.`nickname`, `item`.`id` FROM `item` STRAIGHT_JOIN `user` ON `user`.`uid` = `item`.`uid`
 242                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 243                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 244                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 245                                                 AND NOT `item`.`private` AND NOT `user`.`hidewall`
 246                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 247                                         //      AND NOT `item`.`private` AND `item`.`wall`
 248                                 if (dbm::is_result($r)) {
 249                                         $item_id = $r[0]["id"];
 250                                         $nick = $r[0]["nickname"];
 251                                 }
 252                         }
 253                         if ($nick == "") {
 254                                 $r = qu("SELECT `item`.`id` FROM `item`
 255                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 256                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 257                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 258                                                 AND NOT `item`.`private` AND `item`.`uid` = 0
 259                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 260                                         //      AND NOT `item`.`private` AND `item`.`wall`
 261                                 if (dbm::is_result($r)) {
 262                                         $item_id = $r[0]["id"];
 263                                 }
 264                         }
 265                 }
 266         }
 267
 268         if ($item_id && !is_numeric($item_id)) {
 269                 $r = qu("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 270                         dbesc($item_id), intval($a->profile['uid']));
 271                 if (dbm::is_result($r)) {
 272                         $item_id = $r[0]["id"];
 273                 } else {
 274                         $item_id = false;
 275                 }
 276         }
 277
 278         if (!$item_id) {
 279                 $a->error = 404;
 280                 notice(t('Item not found.').EOL);
 281                 return;
 282         }
 283
 284
 285         $groups = array();
 286
 287         $contact = null;
 288         $remote_contact = false;
 289
 290         $contact_id = 0;
 291
 292         if (is_array($_SESSION['remote'])) {
 293                 foreach ($_SESSION['remote'] as $v) {
 294                         if ($v['uid'] == $a->profile['uid']) {
 295                                 $contact_id = $v['cid'];
 296                                 break;
 297                         }
 298                 }
 299         }
 300
 301         if ($contact_id) {
 302                 $groups = init_groups_visitor($contact_id);
 303                 $r = qu("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 304                         intval($contact_id),
 305                         intval($a->profile['uid'])
 306                 );
 307                 if (dbm::is_result($r)) {
 308                         $contact = $r[0];
 309                         $remote_contact = true;
 310                 }
 311         }
 312
 313         if (!$remote_contact) {
 314                 if (local_user()) {
 315                         $contact_id = $_SESSION['cid'];
 316                         $contact = $a->contact;
 317                 }
 318         }
 319
 320         $r = qu("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
 321                 intval($a->profile['uid'])
 322         );
 323         if (dbm::is_result($r)) {
 324                 $a->page_contact = $r[0];
 325         }
 326         $is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
 327
 328         if ($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
 329                 notice(t('Access to this profile has been restricted.') . EOL);
 330                 return;
 331         }
 332
 333         // We need the editor here to be able to reshare an item.
 334
 335         if ($is_owner) {
 336                 $x = array(
 337                         'is_owner' => true,
 338                         'allow_location' => $a->user['allow_location'],
 339                         'default_location' => $a->user['default-location'],
 340                         'nickname' => $a->user['nickname'],
 341                         'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
 342                         'acl' => populate_acl($a->user, true),
 343                         'bang' => '',
 344                         'visitor' => 'block',
 345                         'profile_uid' => local_user(),
 346                         'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
 347                 );
 348                 $o .= status_editor($a,$x,0,true);
 349         }
 350
 351         $sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
 352
 353         if ($update) {
 354
 355                 $r = qu("SELECT `id` FROM `item` WHERE `item`.`uid` = %d
 356                         AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 357                         $sql_extra AND `unseen`",
 358                         intval($a->profile['uid']),
 359                         intval($item_id)
 360                 );
 361
 362                 if (!$r) {
 363                         return '';
 364                 }
 365         }
 366
 367         $r = qu(item_query()." AND `item`.`uid` = %d
 368                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 369                 $sql_extra
 370                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
 371                 intval($a->profile['uid']),
 372                 intval($item_id)
 373         );
 374
 375
 376         if (!$r && local_user()) {
 377                 // Check if this is another person's link to a post that we have
 378                 $r = qu("SELECT `item`.uri FROM `item`
 379                         WHERE (`item`.`id` = %d OR `item`.`uri` = '%s')
 380                         LIMIT 1",
 381                         intval($item_id),
 382                         dbesc($item_id)
 383                 );
 384                 if (dbm::is_result($r)) {
 385                         $item_uri = $r[0]['uri'];
 386
 387                         $r = qu(item_query()." AND `item`.`uid` = %d
 388                                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
 389                                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
 390                                 intval(local_user()),
 391                                 dbesc($item_uri),
 392                                 intval(local_user())
 393                         );
 394                 }
 395         }
 396
 397         if ($r) {
 398
 399                 if ((local_user()) && (local_user() == $a->profile['uid'])) {
 400                         $unseen = q("SELECT `id` FROM `item` WHERE `unseen` AND `parent` = %d",
 401                                         intval($r[0]['parent']));
 402
 403                         if ($unseen) {
 404                                 q("UPDATE `item` SET `unseen` = 0 WHERE `parent` = %d AND `unseen`",
 405                                         intval($r[0]['parent'])
 406                                 );
 407                         }
 408                 }
 409
 410                 $items = conv_sort($r,"`commented`");
 411
 412                 if (!$update) {
 413                         $o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
 414                 }
 415                 $o .= conversation($a,$items,'display', $update);
 416
 417                 // Preparing the meta header
 418                 require_once('include/bbcode.php');
 419                 require_once("include/html2plain.php");
 420                 $description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
 421                 $title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
 422                 $author_name = $r[0]["author-name"];
 423
 424                 $image = $a->remove_baseurl($r[0]["author-thumb"]);
 425
 426                 if ($title == "") {
 427                         $title = $author_name;
 428                 }
 429
 430                 // Limit the description to 160 characters
 431                 if (strlen($description) > 160) {
 432                         $description = substr($description, 0, 157) . '...';
 433                 }
 434
 435                 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 436                 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 437                 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 438
 439                 //<meta name="keywords" content="">
 440                 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
 441                 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
 442                 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
 443                 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
 444
 445                 // Schema.org microdata
 446                 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
 447                 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
 448                 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
 449                 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
 450
 451                 // Twitter cards
 452                 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
 453                 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
 454                 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
 455                 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
 456                 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
 457
 458                 // Dublin Core
 459                 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
 460                 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
 461
 462                 // Open Graph
 463                 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
 464                 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
 465                 $a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
 466                 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
 467                 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
 468                 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
 469                 // article:tag
 470
 471                 return $o;
 472         }
 473
 474         $r = qu("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
 475                 dbesc($item_id),
 476                 dbesc($item_id)
 477         );
 478         if ($r) {
 479                 if ($r[0]['deleted']) {
 480                         notice(t('Item has been removed.') . EOL );
 481                 } else {
 482                         notice(t('Permission denied.') . EOL );
 483                 }
 484         } else {
 485                 notice(t('Item not found.') . EOL );
 486         }
 487
 488         return $o;
 489 }
 490