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()) AND 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 (!$skip AND strpos($body, "[share") > 0) {
 133                 $skip = true;
 134         }
 135         // Does it end with a share?
 136         if (!$skip AND (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         $o = '';
 211
 212         if ($update) {
 213                 $nick = $_REQUEST['nick'];
 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         } else {
 222                 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
 223
 224                 if ($a->argc == 2) {
 225                         $nick = "";
 226
 227                         if (local_user()) {
 228                                 $r = qu("SELECT `id` FROM `item`
 229                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 230                                                 AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
 231                                 if (dbm::is_result($r)) {
 232                                         $item_id = $r[0]["id"];
 233                                         $nick = $a->user["nickname"];
 234                                 }
 235                         }
 236
 237                         if ($nick == "") {
 238                                 $r = qu("SELECT `user`.`nickname`, `item`.`id` FROM `item` STRAIGHT_JOIN `user` ON `user`.`uid` = `item`.`uid`
 239                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 240                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 241                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 242                                                 AND NOT `item`.`private` AND NOT `user`.`hidewall`
 243                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 244                                         //      AND NOT `item`.`private` AND `item`.`wall`
 245                                 if (dbm::is_result($r)) {
 246                                         $item_id = $r[0]["id"];
 247                                         $nick = $r[0]["nickname"];
 248                                 }
 249                         }
 250                         if ($nick == "") {
 251                                 $r = qu("SELECT `item`.`id` FROM `item`
 252                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 253                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 254                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 255                                                 AND NOT `item`.`private` AND `item`.`uid` = 0
 256                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 257                                         //      AND NOT `item`.`private` AND `item`.`wall`
 258                                 if (dbm::is_result($r)) {
 259                                         $item_id = $r[0]["id"];
 260                                 }
 261                         }
 262                 }
 263         }
 264
 265         if ($item_id AND !is_numeric($item_id)) {
 266                 $r = qu("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 267                         dbesc($item_id), intval($a->profile['uid']));
 268                 if (dbm::is_result($r)) {
 269                         $item_id = $r[0]["id"];
 270                 } else {
 271                         $item_id = false;
 272                 }
 273         }
 274
 275         if (!$item_id) {
 276                 $a->error = 404;
 277                 notice(t('Item not found.').EOL);
 278                 return;
 279         }
 280
 281         $alternate = App::get_baseurl().'/display/'.$nick.'/'.$item_id.'.atom';
 282         $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'),
 283                                 array('$alternate' => $alternate));
 284
 285
 286         $groups = array();
 287
 288         $contact = null;
 289         $remote_contact = false;
 290
 291         $contact_id = 0;
 292
 293         if (is_array($_SESSION['remote'])) {
 294                 foreach ($_SESSION['remote'] as $v) {
 295                         if ($v['uid'] == $a->profile['uid']) {
 296                                 $contact_id = $v['cid'];
 297                                 break;
 298                         }
 299                 }
 300         }
 301
 302         if ($contact_id) {
 303                 $groups = init_groups_visitor($contact_id);
 304                 $r = qu("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 305                         intval($contact_id),
 306                         intval($a->profile['uid'])
 307                 );
 308                 if (dbm::is_result($r)) {
 309                         $contact = $r[0];
 310                         $remote_contact = true;
 311                 }
 312         }
 313
 314         if (!$remote_contact) {
 315                 if (local_user()) {
 316                         $contact_id = $_SESSION['cid'];
 317                         $contact = $a->contact;
 318                 }
 319         }
 320
 321         $r = qu("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
 322                 intval($a->profile['uid'])
 323         );
 324         if (dbm::is_result($r)) {
 325                 $a->page_contact = $r[0];
 326         }
 327         $is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
 328
 329         if ($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
 330                 notice(t('Access to this profile has been restricted.') . EOL);
 331                 return;
 332         }
 333
 334         // We need the editor here to be able to reshare an item.
 335
 336         if ($is_owner) {
 337                 $x = array(
 338                         'is_owner' => true,
 339                         'allow_location' => $a->user['allow_location'],
 340                         'default_location' => $a->user['default-location'],
 341                         'nickname' => $a->user['nickname'],
 342                         'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
 343                         'acl' => populate_acl($a->user, true),
 344                         'bang' => '',
 345                         'visitor' => 'block',
 346                         'profile_uid' => local_user(),
 347                         'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
 348                 );
 349                 $o .= status_editor($a,$x,0,true);
 350         }
 351
 352         $sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
 353
 354         if ($update) {
 355
 356                 $r = qu("SELECT `id` FROM `item` WHERE `item`.`uid` = %d
 357                         AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 358                         $sql_extra AND `unseen`",
 359                         intval($a->profile['uid']),
 360                         intval($item_id)
 361                 );
 362
 363                 if (!$r) {
 364                         return '';
 365                 }
 366         }
 367
 368         $r = qu(item_query()." AND `item`.`uid` = %d
 369                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `id` = %d)
 370                 $sql_extra
 371                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
 372                 intval($a->profile['uid']),
 373                 intval($item_id)
 374         );
 375
 376
 377         if (!$r && local_user()) {
 378                 // Check if this is another person's link to a post that we have
 379                 $r = qu("SELECT `item`.uri FROM `item`
 380                         WHERE (`item`.`id` = %d OR `item`.`uri` = '%s')
 381                         LIMIT 1",
 382                         intval($item_id),
 383                         dbesc($item_id)
 384                 );
 385                 if (dbm::is_result($r)) {
 386                         $item_uri = $r[0]['uri'];
 387
 388                         $r = qu(item_query()." AND `item`.`uid` = %d
 389                                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
 390                                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
 391                                 intval(local_user()),
 392                                 dbesc($item_uri),
 393                                 intval(local_user())
 394                         );
 395                 }
 396         }
 397
 398         if ($r) {
 399
 400                 if ((local_user()) && (local_user() == $a->profile['uid'])) {
 401                         $unseen = q("SELECT `id` FROM `item` WHERE `unseen` AND `parent` = %d",
 402                                         intval($r[0]['parent']));
 403
 404                         if ($unseen) {
 405                                 q("UPDATE `item` SET `unseen` = 0 WHERE `parent` = %d AND `unseen`",
 406                                         intval($r[0]['parent'])
 407                                 );
 408                         }
 409                 }
 410
 411                 $items = conv_sort($r,"`commented`");
 412
 413                 if (!$update) {
 414                         $o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
 415                 }
 416                 $o .= conversation($a,$items,'display', $update);
 417
 418                 // Preparing the meta header
 419                 require_once('include/bbcode.php');
 420                 require_once("include/html2plain.php");
 421                 $description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
 422                 $title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
 423                 $author_name = $r[0]["author-name"];
 424
 425                 $image = $a->remove_baseurl($r[0]["author-thumb"]);
 426
 427                 if ($title == "") {
 428                         $title = $author_name;
 429                 }
 430
 431                 // Limit the description to 160 characters
 432                 if (strlen($description) > 160) {
 433                         $description = substr($description, 0, 157) . '...';
 434                 }
 435
 436                 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 437                 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 438                 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 439
 440                 //<meta name="keywords" content="">
 441                 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
 442                 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
 443                 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
 444                 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
 445
 446                 // Schema.org microdata
 447                 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
 448                 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
 449                 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
 450                 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
 451
 452                 // Twitter cards
 453                 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
 454                 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
 455                 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
 456                 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
 457                 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
 458
 459                 // Dublin Core
 460                 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
 461                 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
 462
 463                 // Open Graph
 464                 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
 465                 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
 466                 $a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
 467                 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
 468                 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
 469                 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
 470                 // article:tag
 471
 472                 return $o;
 473         }
 474
 475         $r = qu("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
 476                 dbesc($item_id),
 477                 dbesc($item_id)
 478         );
 479         if ($r) {
 480                 if ($r[0]['deleted']) {
 481                         notice(t('Item has been removed.') . EOL );
 482                 } else {
 483                         notice(t('Permission denied.') . EOL );
 484                 }
 485         } else {
 486                 notice(t('Item not found.') . EOL );
 487         }
 488
 489         return $o;
 490 }
 491