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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                         $r = q("SELECT `id`, `parent`, `author-name`, `author-link`, `author-avatar`, `network`, `body`, `uid` FROM `item`
20                                 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
21                                         AND `guid` = '%s' AND `uid` = %d", dbesc($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                         $r = q("SELECT `user`.`nickname`, `item`.`id`, `item`.`parent`, `item`.`author-name`,
31                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`body`
32                                 FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
33                                 WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
34                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
35                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
36                                         AND `item`.`private` = 0 AND NOT `user`.`hidewall`
37                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
38                                 //      AND `item`.`private` = 0 AND `item`.`wall` = 1
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                         $r = q("SELECT `item`.`id`, `item`.`parent`, `item`.`author-name`,
48                                 `item`.`author-link`, `item`.`author-avatar`, `item`.`network`, `item`.`uid`, `item`.`body`
49                                 FROM `item` WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
50                                         AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
51                                         AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
52                                         AND `item`.`private` = 0 AND `item`.`uid` = 0
53                                         AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
54                                 //      AND `item`.`private` = 0 AND `item`.`wall` = 1
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` FROM `item`
59                                         WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
60                                                 AND `id` = %d", $r[0]["parent"]);
61
62                         $profiledata = display_fetchauthor($a, $r[0]);
63
64                         if (strstr(normalise_link($profiledata["url"]), normalise_link($a->get_baseurl()))) {
65                                 $nickname = str_replace(normalise_link($a->get_baseurl())."/profile/", "", normalise_link($profiledata["url"]));
66
67                                 if (($nickname != $a->user["nickname"])) {
68                                         $r = q("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
69                                                 INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
70                                                 WHERE `user`.`nickname` = '%s' AND `profile`.`is-default` = 1 and `contact`.`self` = 1 LIMIT 1",
71                                                 dbesc($nickname)
72                                         );
73                                         if (count($r))
74                                                 $profiledata = $r[0];
75
76                                         $profiledata["network"] = NETWORK_DFRN;
77                                 } else
78                                         $profiledata = array();
79                         }
80                 } else {
81                         $a->error = 404;
82                         notice( t('Item not found.') . EOL);
83                         return;
84                 }
85         }
86
87         profile_load($a, $nick, 0, $profiledata);
88
89 }
90
91 function display_fetchauthor($a, $item) {
92
93         $profiledata = array();
94         $profiledata["uid"] = -1;
95         $profiledata["nickname"] = $item["author-name"];
96         $profiledata["name"] = $item["author-name"];
97         $profiledata["picdate"] = "";
98         $profiledata["photo"] = $item["author-avatar"];
99         $profiledata["url"] = $item["author-link"];
100         $profiledata["network"] = $item["network"];
101
102         // Check for a repeated message
103         $skip = false;
104         $body = trim($item["body"]);
105
106         // Skip if it isn't a pure repeated messages
107         // Does it start with a share?
108         if (!$skip AND strpos($body, "[share") > 0)
109                 $skip = true;
110
111         // Does it end with a share?
112         if (!$skip AND (strlen($body) > (strrpos($body, "[/share]") + 8)))
113                 $skip = true;
114
115         if (!$skip) {
116                 $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
117                 // Skip if there is no shared message in there
118                 if ($body == $attributes)
119                         $skip = true;
120         }
121
122         if (!$skip) {
123                 $author = "";
124                 preg_match("/author='(.*?)'/ism", $attributes, $matches);
125                 if ($matches[1] != "")
126                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
127
128                 preg_match('/author="(.*?)"/ism', $attributes, $matches);
129                 if ($matches[1] != "")
130                         $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
131
132                 $profile = "";
133                 preg_match("/profile='(.*?)'/ism", $attributes, $matches);
134                 if ($matches[1] != "")
135                         $profiledata["url"] = $matches[1];
136
137                 preg_match('/profile="(.*?)"/ism', $attributes, $matches);
138                 if ($matches[1] != "")
139                         $profiledata["url"] = $matches[1];
140
141                 $avatar = "";
142                 preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
143                 if ($matches[1] != "")
144                         $profiledata["photo"] = $matches[1];
145
146                 preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
147                 if ($matches[1] != "")
148                         $profiledata["photo"] = $matches[1];
149
150                 $profiledata["nickname"] = $profiledata["name"];
151                 $profiledata["network"] = GetProfileUsername($profiledata["url"], "", false, true);
152
153                 $profiledata["address"] = "";
154                 $profiledata["about"] = "";
155         }
156
157         // Fetching further contact data from the contact table
158         $r = q("SELECT `uid`, `network`, `photo`, `nick`, `location`, `about` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d AND `network` = '%s'",
159                 dbesc(normalise_link($profiledata["url"])), intval($item["uid"]), dbesc($item["network"]));
160
161         if (!count($r))
162                 $r = q("SELECT `uid`, `network`, `photo`, `nick`, `location`, `about` FROM `contact` WHERE `nurl` = '%s' AND `uid` = %d",
163                         dbesc(normalise_link($profiledata["url"])), intval($item["uid"]));
164
165         if (!count($r))
166                 $r = q("SELECT `uid`, `network`, `photo`, `nick`, `location`, `about` FROM `contact` WHERE `nurl` = '%s' AND `uid` = 0",
167                         dbesc(normalise_link($profiledata["url"])));
168
169         if (count($r)) {
170                 if ((($r[0]["uid"] != local_user()) OR !local_user()) AND ($profiledata["network"] == NETWORK_DIASPORA)) {
171                         $r[0]["location"] = "";
172                         $r[0]["about"] = "";
173                 }
174
175                 $profiledata["photo"] = $r[0]["photo"];
176                 $profiledata["address"] = $r[0]["location"];
177                 $profiledata["about"] = $r[0]["about"];
178                 if ($r[0]["nick"] != "")
179                         $profiledata["nickname"] = $r[0]["nick"];
180         }
181
182         // Fetching profile data from global contacts
183         // @todo: should override everything else (but not Feeds)
184         $r = q("SELECT `photo`, `nick`, `addr`, `location`, `about`, `gender` FROM `gcontact` WHERE `nurl` = '%s'", dbesc(normalise_link($profiledata["url"])));
185         if (count($r)) {
186                 if ($profiledata["photo"] == "")
187                         $profiledata["photo"] = $r[0]["avatar"];
188                 if (($profiledata["address"] == "") AND ($profiledata["network"] != NETWORK_DIASPORA))
189                         $profiledata["address"] = $r[0]["location"];
190                 if (($profiledata["about"] == "") AND ($profiledata["network"] != NETWORK_DIASPORA))
191                         $profiledata["about"] = $r[0]["about"];
192                 if (($profiledata["nickname"] == "") AND ($r[0]["nick"] != ""))
193                         $profiledata["nickname"] = $r[0]["nick"];
194                 if ($profiledata["gender"] == "")
195                         $profiledata["gender"] = $r[0]["gender"];
196                 if ($profiledata["addr"] == "")
197                         $profiledata["addr"] = $r[0]["addr"];
198         }
199
200         if (local_user()) {
201                 if (in_array($profiledata["network"], array(NETWORK_DFRN, NETWORK_DIASPORA, NETWORK_OSTATUS)))
202                         $profiledata["remoteconnect"] = $a->get_baseurl()."/follow?url=".urlencode($profiledata["url"]);
203         } elseif ($profiledata["network"] == NETWORK_DFRN) {
204                 $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
205                 $profiledata["remoteconnect"] = $connect;
206         }
207
208         return($profiledata);
209 }
210
211 function display_content(&$a, $update = 0) {
212
213         if((get_config('system','block_public')) && (! local_user()) && (! remote_user())) {
214                 notice( t('Public access denied.') . EOL);
215                 return;
216         }
217
218         require_once('include/security.php');
219         require_once('include/conversation.php');
220         require_once('include/acl_selectors.php');
221
222
223         $o = '';
224
225         $a->page['htmlhead'] .= replace_macros(get_markup_template('display-head.tpl'), array());
226
227
228         if($update) {
229                 $nick = $_REQUEST['nick'];
230         }
231         else {
232                 $nick = (($a->argc > 1) ? $a->argv[1] : '');
233         }
234
235         if($update) {
236                 $item_id = $_REQUEST['item_id'];
237                 $a->profile = array('uid' => intval($update), 'profile_uid' => intval($update));
238         }
239         else {
240                 $item_id = (($a->argc > 2) ? $a->argv[2] : 0);
241
242                 if ($a->argc == 2) {
243                         $nick = "";
244
245                         if (local_user()) {
246                                 $r = q("SELECT `id` FROM `item`
247                                         WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
248                                                 AND `guid` = '%s' AND `uid` = %d", dbesc($a->argv[1]), local_user());
249                                 if (count($r)) {
250                                         $item_id = $r[0]["id"];
251                                         $nick = $a->user["nickname"];
252                                 }
253                         }
254
255                         if ($nick == "") {
256                                 $r = q("SELECT `user`.`nickname`, `item`.`id` FROM `item` INNER JOIN `user` ON `user`.`uid` = `item`.`uid`
257                                         WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
258                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
259                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
260                                                 AND `item`.`private` = 0  AND NOT `user`.`hidewall`
261                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
262                                         //      AND `item`.`private` = 0 AND `item`.`wall` = 1
263                                 if (count($r)) {
264                                         $item_id = $r[0]["id"];
265                                         $nick = $r[0]["nickname"];
266                                 }
267                         }
268                         if ($nick == "") {
269                                 $r = q("SELECT `item`.`id` FROM `item`
270                                         WHERE `item`.`visible` = 1 AND `item`.`deleted` = 0 and `item`.`moderated` = 0
271                                                 AND `item`.`allow_cid` = ''  AND `item`.`allow_gid` = ''
272                                                 AND `item`.`deny_cid`  = '' AND `item`.`deny_gid`  = ''
273                                                 AND `item`.`private` = 0  AND `item`.`uid` = 0
274                                                 AND `item`.`guid` = '%s'", dbesc($a->argv[1]));
275                                         //      AND `item`.`private` = 0 AND `item`.`wall` = 1
276                                 if (count($r)) {
277                                         $item_id = $r[0]["id"];
278                                 }
279                         }
280                 }
281         }
282
283         if(! $item_id) {
284                 $a->error = 404;
285                 notice( t('Item not found.') . EOL);
286                 return;
287         }
288
289         $groups = array();
290
291         $contact = null;
292         $remote_contact = false;
293
294         $contact_id = 0;
295
296         if(is_array($_SESSION['remote'])) {
297                 foreach($_SESSION['remote'] as $v) {
298                         if($v['uid'] == $a->profile['uid']) {
299                                 $contact_id = $v['cid'];
300                                 break;
301                         }
302                 }
303         }
304
305         if($contact_id) {
306                 $groups = init_groups_visitor($contact_id);
307                 $r = q("SELECT * FROM `contact` WHERE `id` = %d AND `uid` = %d LIMIT 1",
308                         intval($contact_id),
309                         intval($a->profile['uid'])
310                 );
311                 if(count($r)) {
312                         $contact = $r[0];
313                         $remote_contact = true;
314                 }
315         }
316
317         if(! $remote_contact) {
318                 if(local_user()) {
319                         $contact_id = $_SESSION['cid'];
320                         $contact = $a->contact;
321                 }
322         }
323
324         $r = q("SELECT * FROM `contact` WHERE `uid` = %d AND `self` = 1 LIMIT 1",
325                 intval($a->profile['uid'])
326         );
327         if(count($r))
328                 $a->page_contact = $r[0];
329
330         $is_owner = ((local_user()) && (local_user() == $a->profile['profile_uid']) ? true : false);
331
332         if($a->profile['hidewall'] && (! $is_owner) && (! $remote_contact)) {
333                 notice( t('Access to this profile has been restricted.') . EOL);
334                 return;
335         }
336
337         if ($is_owner) {
338                 $x = array(
339                         'is_owner' => true,
340                         'allow_location' => $a->user['allow_location'],
341                         'default_location' => $a->user['default-location'],
342                         'nickname' => $a->user['nickname'],
343                         'lockstate' => ( (is_array($a->user)) && ((strlen($a->user['allow_cid'])) || (strlen($a->user['allow_gid'])) || (strlen($a->user['deny_cid'])) || (strlen($a->user['deny_gid']))) ? 'lock' : 'unlock'),
344                         'acl' => populate_acl($a->user, true),
345                         'bang' => '',
346                         'visitor' => 'block',
347                         'profile_uid' => local_user(),
348                         'acl_data' => construct_acl_data($a, $a->user), // For non-Javascript ACL selector
349                 );
350                 $o .= status_editor($a,$x,0,true);
351         }
352
353         $sql_extra = item_permissions_sql($a->profile['uid'],$remote_contact,$groups);
354
355         //              AND `item`.`parent` = ( SELECT `parent` FROM `item` FORCE INDEX (PRIMARY, `uri`) WHERE ( `id` = '%s' OR `uri` = '%s' ))
356
357         if($update) {
358
359                 $r = q("SELECT id FROM item WHERE item.uid = %d
360                         AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE (`id` = '%s' OR `uri` = '%s'))
361                         $sql_extra AND unseen = 1",
362                         intval($a->profile['uid']),
363                         dbesc($item_id),
364                         dbesc($item_id)
365                 );
366
367                 if(!$r)
368                         return '';
369         }
370
371         //      AND `item`.`parent` = ( SELECT `parent` FROM `item` FORCE INDEX (PRIMARY, `uri`) WHERE ( `id` = '%s' OR `uri` = '%s' )
372
373         $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,  `item`.`network` AS `item_network`,
374                 `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
375                 `contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
376                 `contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
377                 FROM `item` INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
378                 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
379                 WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0
380                 and `item`.`moderated` = 0
381                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE (`id` = '%s' OR `uri` = '%s')
382                 AND uid = %d)
383                 $sql_extra
384                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC",
385                 intval($a->profile['uid']),
386                 dbesc($item_id),
387                 dbesc($item_id),
388                 intval($a->profile['uid'])
389         );
390
391         if(!$r && local_user()) {
392                 // Check if this is another person's link to a post that we have
393                 $r = q("SELECT `item`.uri FROM `item`
394                         WHERE (`item`.`id` = '%s' OR `item`.`uri` = '%s' )
395                         LIMIT 1",
396                         dbesc($item_id),
397                         dbesc($item_id)
398                 );
399                 if($r) {
400                         $item_uri = $r[0]['uri'];
401                         //      AND `item`.`parent` = ( SELECT `parent` FROM `item` FORCE INDEX (PRIMARY, `uri`) WHERE `uri` = '%s' AND uid = %d )
402
403                         $r = q("SELECT `item`.*, `item`.`id` AS `item_id`,  `item`.`network` AS `item_network`,
404                                 `contact`.`name`, `contact`.`photo`, `contact`.`url`, `contact`.`rel`,
405                                 `contact`.`network`, `contact`.`thumb`, `contact`.`self`, `contact`.`writable`,
406                                 `contact`.`id` AS `cid`, `contact`.`uid` AS `contact-uid`
407                                 FROM `item` INNER JOIN `contact` ON `contact`.`id` = `item`.`contact-id`
408                                 AND `contact`.`blocked` = 0 AND `contact`.`pending` = 0
409                                 WHERE `item`.`uid` = %d AND `item`.`visible` = 1 AND `item`.`deleted` = 0
410                                 and `item`.`moderated` = 0
411                                 AND `item`.`parent` = (SELECT `parent` FROM `item` WHERE `uri` = '%s' AND uid = %d)
412                                 ORDER BY `parent` DESC, `gravity` ASC, `id` ASC ",
413                                 intval(local_user()),
414                                 dbesc($item_uri),
415                                 intval(local_user())
416                         );
417                 }
418         }
419
420
421         if($r) {
422
423                 if((local_user()) && (local_user() == $a->profile['uid'])) {
424                         q("UPDATE `item` SET `unseen` = 0
425                                 WHERE `parent` = %d AND `unseen` = 1",
426                                 intval($r[0]['parent'])
427                         );
428                 }
429
430                 $items = conv_sort($r,"`commented`");
431
432                 if(!$update)
433                         $o .= "<script> var netargs = '?f=&nick=" . $nick . "&item_id=" . $item_id . "'; </script>";
434                 $o .= conversation($a,$items,'display', $update);
435
436                 // Preparing the meta header
437                 require_once('include/bbcode.php');
438                 require_once("include/html2plain.php");
439                 $description = trim(html2plain(bbcode($r[0]["body"], false, false), 0, true));
440                 $title = trim(html2plain(bbcode($r[0]["title"], false, false), 0, true));
441                 $author_name = $r[0]["author-name"];
442
443                 $image = "";
444                 if ($image == "")
445                         $image = $r[0]["thumb"];
446
447                 if ($title == "")
448                         $title = $author_name;
449
450                 $description = htmlspecialchars($description, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
451                 $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
452                 $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
453
454                 //<meta name="keywords" content="">
455                 $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
456                 $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
457                 $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
458                 $a->page['htmlhead'] .= '<meta name="description" content="'.$description.'" />'."\n";
459
460                 // Schema.org microdata
461                 $a->page['htmlhead'] .= '<meta itemprop="name" content="'.$title.'" />'."\n";
462                 $a->page['htmlhead'] .= '<meta itemprop="description" content="'.$description.'" />'."\n";
463                 $a->page['htmlhead'] .= '<meta itemprop="image" content="'.$image.'" />'."\n";
464                 $a->page['htmlhead'] .= '<meta itemprop="author" content="'.$author_name.'" />'."\n";
465
466                 // Twitter cards
467                 $a->page['htmlhead'] .= '<meta name="twitter:card" content="summary" />'."\n";
468                 $a->page['htmlhead'] .= '<meta name="twitter:title" content="'.$title.'" />'."\n";
469                 $a->page['htmlhead'] .= '<meta name="twitter:description" content="'.$description.'" />'."\n";
470                 $a->page['htmlhead'] .= '<meta name="twitter:image" content="'.$image.'" />'."\n";
471                 $a->page['htmlhead'] .= '<meta name="twitter:url" content="'.$r[0]["plink"].'" />'."\n";
472
473                 // Dublin Core
474                 $a->page['htmlhead'] .= '<meta name="DC.title" content="'.$title.'" />'."\n";
475                 $a->page['htmlhead'] .= '<meta name="DC.description" content="'.$description.'" />'."\n";
476
477                 // Open Graph
478                 $a->page['htmlhead'] .= '<meta property="og:type" content="website" />'."\n";
479                 $a->page['htmlhead'] .= '<meta property="og:title" content="'.$title.'" />'."\n";
480                 $a->page['htmlhead'] .= '<meta property="og:image" content="'.$image.'" />'."\n";
481                 $a->page['htmlhead'] .= '<meta property="og:url" content="'.$r[0]["plink"].'" />'."\n";
482                 $a->page['htmlhead'] .= '<meta property="og:description" content="'.$description.'" />'."\n";
483                 $a->page['htmlhead'] .= '<meta name="og:article:author" content="'.$author_name.'" />'."\n";
484                 // article:tag
485
486                 return $o;
487         }
488
489         $r = q("SELECT `id`,`deleted` FROM `item` WHERE `id` = '%s' OR `uri` = '%s' LIMIT 1",
490                 dbesc($item_id),
491                 dbesc($item_id)
492         );
493         if($r) {
494                 if($r[0]['deleted']) {
495                         notice( t('Item has been removed.') . EOL );
496                 }
497                 else {
498                         notice( t('Permission denied.') . EOL );
499                 }
500         }
501         else {
502                 notice( t('Item not found.') . EOL );
503         }
504
505         return $o;
506 }
507