mod/display.php

   1 <?php
   2
   3 function display_init(&$a) {
   4
   5         if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
   6                 return;
   7         }
   8
   9         $nick = (($a->argc > 1) ? $a->argv[1] : '');
  10         $profiledata = array();
  11
  12         // If there is only one parameter, then check if this parameter could be a guid
  13         if ($a->argc == 2) {
  14                 $nick = "";
  15                 $itemuid = 0;
  16
  17                 // Does the local user have this item?
  18                 if (local_user()) {
  19                         $r = q("SELECT `id`, `parent`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid`, `owner-link` FROM `item`
  20                                 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  21                                         AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
  22                         if (count($r)) {
  23                                 $nick = $a->user["nickname"];
  24                                 $itemuid = local_user();
  25                         }
  26                 }
  27
  28                 // Or is it anywhere on the server?
  29                 if ($nick == "") {
  30                         $r = q("SELECT `user`.`nickname`, `item`.`id`, `item`.`parent`, `item`.`author-name`,
  31                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`owner-link`, `item`.`body`
  32                                 FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
  33                                 WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  34                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  35                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  36                                         AND NOT `item`.`private` AND NOT `user`.`hidewall`
  37                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
  38                                 //      AND NOT `item`.`private` AND `item`.`wall`
  39                         if (count($r)) {
  40                                 $nick = $r[0]["nickname"];
  41                                 $itemuid = $r[0]["uid"];
  42                         }
  43                 }
  44
  45                 // Is it an item with uid=0?
  46                 if ($nick == "") {
  47                         $r = q("SELECT `item`.`id`, `item`.`parent`, `item`.`author-name`, `item`.`author-link`,
  48                                 `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`owner-link`, `item`.`body`
  49                                 FROM `item` WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
  50                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
  51                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
  52                                         AND NOT `item`.`private` AND `item`.`uid` = 0
  53                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
  54                                 //      AND NOT `item`.`private` AND `item`.`wall`
  55                 }
  56                 if (count($r)) {
  57                         if ($r[0]["id"] != $r[0]["parent"])
  58                                 $r = q("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                                         $items = q("SELECT * FROM `item` WHERE `parent` = %d ORDER BY `id`", intval($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($a->get_baseurl()))) {
  87                                 $nickname = str_replace(normalise_link($a->get_baseurl())."/profile/", "", normalise_link($profiledata["url"]));
  88
  89                                 if (($nickname != $a->user["nickname"])) {
  90                                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
  91                                                 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
  92                                                 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
  93                                                 dbesc($nickname)
  94                                         );
  95                                         if (count($r))
  96                                                 $profiledata = $r[0];
  97
  98                                         $profiledata["network"] = NETWORK_DFRN;
  99                                 } else
 100                                         $profiledata = array();
 101                         }
 102                 } else {
 103                         $a->error = 404;
 104                         notice( t('Item not found.') . EOL);
 105                         return;
 106                 }
 107         }
 108
 109         profile_load($a, $nick, 0, $profiledata);
 110
 111 }
 112
 113 function display_fetchauthor($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                         $skip = true;
 144         }
 145
 146         if (!$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"] = $a->get_baseurl()."/follow?url=".urlencode($profiledata["url"]);
 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(&$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         }
 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         }
 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                                 $r = q("SELECT `id` FROM `item`
 232                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 233                                                 AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
 234                                 if (count($r)) {
 235                                         $item_id = $r[0]["id"];
 236                                         $nick = $a->user["nickname"];
 237                                 }
 238                         }
 239
 240                         if ($nick == "") {
 241                                 $r = q("SELECT `user`.`nickname`, `item`.`id` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
 242                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 243                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 244                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 245                                                 AND NOT `item`.`private` AND NOT `user`.`hidewall`
 246                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 247                                         //      AND NOT `item`.`private` AND `item`.`wall`
 248                                 if (count($r)) {
 249                                         $item_id = $r[0]["id"];
 250                                         $nick = $r[0]["nickname"];
 251                                 }
 252                         }
 253                         if ($nick == "") {
 254                                 $r = q("SELECT `item`.`id` FROM `item`
 255                                         WHERE `item`.`visible` AND NOT `item`.`deleted` AND NOT `item`.`moderated`
 256                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
 257                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
 258                                                 AND NOT `item`.`private` AND `item`.`uid` = 0
 259                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
 260                                         //      AND NOT `item`.`private` AND `item`.`wall`
 261                                 if (count($r)) {
 262                                         $item_id = $r[0]["id"];
 263                                 }
 264                         }
 265                 }
 266         }
 267
 268         if ($item_id AND !is_numeric($item_id)) {
 269                 $r = q("SELECT `id` FROM `item` WHERE `uri` = '%s' AND `uid` = %d LIMIT 1",
 270                         dbesc($item_id), intval($a->profile['uid']));
 271                 if ($r)
 272                         $item_id = $r[0]["id"];
 273                 else
 274                         $item_id = false;
 275         }
 276
 277         if (!$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                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
 303                         intval($contact_id),
 304                         intval($a->profile['uid'])
 305                 );
 306                 if(count($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         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` LIMIT 1",
 320                 intval($a->profile['uid'])
 321         );
 322         if(count($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 = q("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         $r = q(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                 $r = q("SELECT `item`.uri FROM `item`
 377                         WHERE (`item`.`id` = %d OR `item`.`uri` = '%s')
 378                         LIMIT 1",
 379                         intval($item_id),
 380                         dbesc($item_id)
 381                 );
 382                 if($r) {
 383                         $item_uri = $r[0]['uri'];
 384
 385                         $r = q(item_query()." AND `item`.`uid` = %d
 386                                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
 387                                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
 388                                 intval(local_user()),
 389                                 dbesc($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 ($unseen)
 402                                 q("UPDATE `item` SET `unseen` = 0
 403                                         WHERE `parent` = %d AND `unseen`",
 404                                         intval($r[0]['parent'])
 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                 $o .= conversation($a,$items,'display', $update);
 413
 414                 // Preparing the meta header
 415                 require_once('include/bbcode.php');
 416                 require_once("include/html2plain.php");
 417                 $description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
 418                 $title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
 419                 $author_name = $r[0]["author-name"];
 420
 421                 $image = $a->remove_baseurl($r[0]["thumb"]);
 422
 423                 if ($title == "")
 424                         $title = $author_name;
 425
 426                 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 427                 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 428                 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 429
 430                 //<meta name="keywords" content="">
 431                 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
 432                 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
 433                 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
 434                 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
 435
 436                 // Schema.org microdata
 437                 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
 438                 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
 439                 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
 440                 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
 441
 442                 // Twitter cards
 443                 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
 444                 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
 445                 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
 446                 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
 447                 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
 448
 449                 // Dublin Core
 450                 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
 451                 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
 452
 453                 // Open Graph
 454                 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
 455                 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
 456                 $a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
 457                 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
 458                 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
 459                 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
 460                 // article:tag
 461
 462                 return $o;
 463         }
 464
 465         $r = q("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
 466                 dbesc($item_id),
 467                 dbesc($item_id)
 468         );
 469         if($r) {
 470                 if($r[0]['deleted']) {
 471                         notice( t('Item has been removed.') . EOL );
 472                 }
 473                 else {
 474                         notice( t('Permission denied.') . EOL );
 475                 }
 476         }
 477         else {
 478                 notice( t('Item not found.') . EOL );
 479         }
 480
 481         return $o;
 482 }
 483