]> git.mxchange.org Git - friendica.git/blobdiff - mod/display.php
Check for parent existence in mod/display
[friendica.git] / mod / display.php
index 2a4d2abf43b6d1971db094cffcaba8a65e969f13..b388b915e17a9b79c359ee6a957fe605c9769baf 100644 (file)
@@ -14,15 +14,17 @@ use Friendica\Core\Logger;
 use Friendica\Core\Protocol;
 use Friendica\Core\Renderer;
 use Friendica\Core\System;
+use Friendica\Core\Session;
 use Friendica\Database\DBA;
 use Friendica\Model\Contact;
 use Friendica\Model\Group;
 use Friendica\Model\Item;
 use Friendica\Model\Profile;
+use Friendica\Module\Objects;
+use Friendica\Network\HTTPException;
 use Friendica\Protocol\ActivityPub;
 use Friendica\Protocol\DFRN;
 use Friendica\Util\Strings;
-use Friendica\Module\Objects;
 
 function display_init(App $a)
 {
@@ -30,26 +32,11 @@ function display_init(App $a)
                Objects::rawContent();
        }
 
-       if (Config::get('system', 'block_public') && !local_user() && !remote_user()) {
+       if (Config::get('system', 'block_public') && !Session::isAuthenticated()) {
                return;
        }
 
        $nick = (($a->argc > 1) ? $a->argv[1] : '');
-       $profiledata = [];
-
-       if ($a->argc == 3) {
-               if (substr($a->argv[2], -5) == '.atom') {
-                       $item_id = substr($a->argv[2], 0, -5);
-                       displayShowFeed($item_id, false);
-               }
-       }
-
-       if ($a->argc == 4) {
-               if ($a->argv[3] == 'conversation.atom') {
-                       $item_id = $a->argv[2];
-                       displayShowFeed($item_id, true);
-               }
-       }
 
        $item = null;
        $item_user = local_user();
@@ -66,9 +53,11 @@ function display_init(App $a)
                        if (DBA::isResult($item)) {
                                $nick = $a->user["nickname"];
                        }
+               }
+
                // Is this item private but could be visible to the remove visitor?
-               } elseif (remote_user()) {
-                       $item = Item::selectFirst($fields, ['guid' => $a->argv[1], 'private' => 1]);
+               if (!DBA::isResult($item) && remote_user()) {
+                       $item = Item::selectFirst($fields, ['guid' => $a->argv[1], 'private' => 1, 'origin' => true]);
                        if (DBA::isResult($item)) {
                                if (!Contact::isFollower(remote_user(), $item['uid'])) {
                                        $item = null;
@@ -82,12 +71,20 @@ function display_init(App $a)
                if (!DBA::isResult($item)) {
                        $item = Item::selectFirstForUser(local_user(), $fields, ['guid' => $a->argv[1], 'private' => [0, 2], 'uid' => 0]);
                }
-       } elseif (($a->argc == 3) && ($nick == 'feed-item')) {
-               $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $a->argv[2], 'private' => [0, 2], 'uid' => 0]);
+       } elseif ($a->argc >= 3 && $nick == 'feed-item') {
+               $item_id = $a->argv[2];
+               if (substr($item_id, -5) == '.atom') {
+                       $item_id = substr($item_id, 0, -5);
+               }
+               $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $item_id, 'private' => [0, 2], 'uid' => 0]);
        }
 
        if (!DBA::isResult($item)) {
-               System::httpExit(404);
+               return;
+       }
+
+       if ($a->argc >= 3 && $nick == 'feed-item') {
+               displayShowFeed($item['id'], $a->argc > 3 && $a->argv[3] == 'conversation.atom');
        }
 
        if (!empty($_SERVER['HTTP_ACCEPT']) && strstr($_SERVER['HTTP_ACCEPT'], 'application/atom+xml')) {
@@ -96,7 +93,8 @@ function display_init(App $a)
        }
 
        if ($item["id"] != $item["parent"]) {
-               $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $item["parent"]]);
+               $parent = Item::selectFirstForUser($item_user, $fields, ['id' => $item["parent"]]);
+               $item = $parent ?: $item;
        }
 
        $profiledata = display_fetchauthor($a, $item);
@@ -104,7 +102,7 @@ function display_init(App $a)
        if (strstr(Strings::normaliseLink($profiledata["url"]), Strings::normaliseLink(System::baseUrl()))) {
                $nickname = str_replace(Strings::normaliseLink(System::baseUrl())."/profile/", "", Strings::normaliseLink($profiledata["url"]));
 
-               if (($nickname != $a->user["nickname"])) {
+               if ($nickname != $a->user["nickname"]) {
                        $profile = DBA::fetchFirst("SELECT `profile`.`uid` AS `profile_uid`, `profile`.* , `contact`.`avatar-date` AS picdate, `user`.* FROM `profile`
                                INNER JOIN `contact` on `contact`.`uid` = `profile`.`uid` INNER JOIN `user` ON `profile`.`uid` = `user`.`uid`
                                WHERE `user`.`nickname` = ? AND `profile`.`is-default` AND `contact`.`self` LIMIT 1",
@@ -136,54 +134,20 @@ function display_fetchauthor($a, $item)
        $profiledata['network'] = $author['network'];
 
        // Check for a repeated message
-       $skip = false;
-       $body = trim($item["body"]);
-
-       // Skip if it isn't a pure repeated messages
-       // Does it start with a share?
-       if (!$skip && strpos($body, "[share") > 0) {
-               $skip = true;
-       }
-       // Does it end with a share?
-       if (!$skip && (strlen($body) > (strrpos($body, "[/share]") + 8))) {
-               $skip = true;
-       }
-       if (!$skip) {
-               $attributes = preg_replace("/\[share(.*?)\]\s?(.*?)\s?\[\/share\]\s?/ism","$1",$body);
-               // Skip if there is no shared message in there
-               if ($body == $attributes) {
-                       $skip = true;
+       $shared = Item::getShareArray($item);
+       if (!empty($shared) && empty($shared['comment'])) {
+               if (!empty($shared['author'])) {
+                       $profiledata['name'] = $shared['author'];
                }
-       }
 
-       if (!$skip) {
-               $author = "";
-               preg_match("/author='(.*?)'/ism", $attributes, $matches);
-               if (!empty($matches[1])) {
-                       $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
+               if (!empty($shared['profile'])) {
+                       $profiledata['url'] = $shared['profile'];
                }
-               preg_match('/author="(.*?)"/ism', $attributes, $matches);
-               if (!empty($matches[1])) {
-                       $profiledata["name"] = html_entity_decode($matches[1],ENT_QUOTES,'UTF-8');
-               }
-               $profile = "";
-               preg_match("/profile='(.*?)'/ism", $attributes, $matches);
-               if (!empty($matches[1])) {
-                       $profiledata["url"] = $matches[1];
-               }
-               preg_match('/profile="(.*?)"/ism', $attributes, $matches);
-               if (!empty($matches[1])) {
-                       $profiledata["url"] = $matches[1];
-               }
-               $avatar = "";
-               preg_match("/avatar='(.*?)'/ism", $attributes, $matches);
-               if (!empty($matches[1])) {
-                       $profiledata["photo"] = $matches[1];
-               }
-               preg_match('/avatar="(.*?)"/ism', $attributes, $matches);
-               if (!empty($matches[1])) {
-                       $profiledata["photo"] = $matches[1];
+
+               if (!empty($shared['avatar'])) {
+                       $profiledata['photo'] = $shared['avatar'];
                }
+
                $profiledata["nickname"] = $profiledata["name"];
                $profiledata["network"] = Protocol::matchByProfileUrl($profiledata["url"]);
 
@@ -193,29 +157,19 @@ function display_fetchauthor($a, $item)
 
        $profiledata = Contact::getDetailsByURL($profiledata["url"], local_user(), $profiledata);
 
-       $profiledata["photo"] = System::removedBaseUrl($profiledata["photo"]);
-
-       if (local_user()) {
-               if (in_array($profiledata["network"], [Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS])) {
-                       $profiledata["remoteconnect"] = System::baseUrl()."/follow?url=".urlencode($profiledata["url"]);
-               }
-       } elseif ($profiledata["network"] == Protocol::DFRN) {
-               $connect = str_replace("/profile/", "/dfrn_request/", $profiledata["url"]);
-               $profiledata["remoteconnect"] = $connect;
+       if (!empty($profiledata["photo"])) {
+               $profiledata["photo"] = System::removedBaseUrl($profiledata["photo"]);
        }
 
-       return($profiledata);
+       return $profiledata;
 }
 
 function display_content(App $a, $update = false, $update_uid = 0)
 {
-       if (Config::get('system','block_public') && !local_user() && !remote_user()) {
-               notice(L10n::t('Public access denied.') . EOL);
-               return;
+       if (Config::get('system','block_public') && !Session::isAuthenticated()) {
+               throw new HTTPException\ForbiddenException(L10n::t('Public access denied.'));
        }
 
-       require_once 'include/conversation.php';
-
        $o = '';
 
        if ($update) {
@@ -244,8 +198,10 @@ function display_content(App $a, $update = false, $update_uid = 0)
                                        $item_parent = $item["parent"];
                                        $item_parent_uri = $item['parent-uri'];
                                }
-                       } elseif (remote_user()) {
-                               $item = Item::selectFirst($fields, ['guid' => $a->argv[1], 'private' => 1]);
+                       }
+
+                       if (($item_parent == 0) && remote_user()) {
+                               $item = Item::selectFirst($fields, ['guid' => $a->argv[1], 'private' => 1, 'origin' => true]);
                                if (DBA::isResult($item) && Contact::isFollower(remote_user(), $item['uid'])) {
                                        $item_id = $item["id"];
                                        $item_parent = $item["parent"];
@@ -266,7 +222,7 @@ function display_content(App $a, $update = false, $update_uid = 0)
        }
 
        if (!$item_id) {
-               System::httpExit(404);
+               throw new HTTPException\NotFoundException(L10n::t('The requested item doesn\'t exist or has been deleted.'));
        }
 
        // We are displaying an "alternate" link if that post was public. See issue 2864
@@ -284,36 +240,34 @@ function display_content(App $a, $update = false, $update_uid = 0)
                                ['$alternate' => $alternate,
                                        '$conversation' => $conversation]);
 
-       $groups = [];
-       $remote_cid = null;
        $is_remote_contact = false;
        $item_uid = local_user();
 
-       $parent = Item::selectFirst(['uid'], ['uri' => $item_parent_uri, 'wall' => true]);
-       if (DBA::isResult($parent)) {
-               $a->profile['uid'] = $parent['uid'];
-               $a->profile['profile_uid'] = $parent['uid'];
-               $is_remote_contact = Contact::isFollower(remote_user(), $a->profile['profile_uid']);
+       $parent = null;
+       if (!empty($item_parent_uri)) {
+               $parent = Item::selectFirst(['uid'], ['uri' => $item_parent_uri, 'wall' => true]);
        }
 
-       if ($is_remote_contact) {
-               $cdata = Contact::getPublicAndUserContacID(remote_user(), $a->profile['profile_uid']);
-               if (!empty($cdata['user'])) {
-                       $groups = Group::getIdsByContactId($cdata['user']);
-                       $remote_cid = $cdata['user'];
+       if (DBA::isResult($parent)) {
+               $a->profile['uid'] = ($a->profile['uid'] ?? 0) ?: $parent['uid'];
+               $a->profile['profile_uid'] = ($a->profile['profile_uid'] ?? 0) ?: $parent['uid'];
+               $is_remote_contact = Session::getRemoteContactID($a->profile['profile_uid']);
+               if ($is_remote_contact) {
                        $item_uid = $parent['uid'];
                }
+       } else {
+               $a->profile = ['uid' => intval($item['uid']), 'profile_uid' => intval($item['uid'])];
        }
 
        $page_contact = DBA::selectFirst('contact', [], ['self' => true, 'uid' => $a->profile['uid']]);
        if (DBA::isResult($page_contact)) {
                $a->page_contact = $page_contact;
        }
+
        $is_owner = (local_user() && (in_array($a->profile['profile_uid'], [local_user(), 0])) ? true : false);
 
        if (!empty($a->profile['hidewall']) && !$is_owner && !$is_remote_contact) {
-               notice(L10n::t('Access to this profile has been restricted.') . EOL);
-               return;
+               throw new HTTPException\ForbiddenException(L10n::t('Access to this profile has been restricted.'));
        }
 
        // We need the editor here to be able to reshare an item.
@@ -324,14 +278,14 @@ function display_content(App $a, $update = false, $update_uid = 0)
                        'default_location' => $a->user['default-location'],
                        'nickname' => $a->user['nickname'],
                        'lockstate' => (is_array($a->user) && (strlen($a->user['allow_cid']) || strlen($a->user['allow_gid']) || strlen($a->user['deny_cid']) || strlen($a->user['deny_gid'])) ? 'lock' : 'unlock'),
-                       'acl' => ACL::getFullSelectorHTML($a->user, true),
+                       'acl' => ACL::getFullSelectorHTML($a->page, $a->user, true),
                        'bang' => '',
                        'visitor' => 'block',
                        'profile_uid' => local_user(),
                ];
                $o .= status_editor($a, $x, 0, true);
        }
-       $sql_extra = Item::getPermissionsSQLByUserId($a->profile['profile_uid'], $is_remote_contact, $groups, $remote_cid);
+       $sql_extra = Item::getPermissionsSQLByUserId($a->profile['profile_uid']);
 
        if (local_user() && (local_user() == $a->profile['profile_uid'])) {
                $condition = ['parent-uri' => $item_parent_uri, 'uid' => local_user(), 'unseen' => true];
@@ -345,11 +299,11 @@ function display_content(App $a, $update = false, $update_uid = 0)
        }
 
        $condition = ["`id` = ? AND `item`.`uid` IN (0, ?) " . $sql_extra, $item_id, $item_uid];
-       $fields = ['parent-uri', 'body', 'title', 'author-name', 'author-avatar', 'plink'];
-       $item = Item::selectFirstForUser(local_user(), $fields, $condition);
+       $fields = ['parent-uri', 'body', 'title', 'author-name', 'author-avatar', 'plink', 'author-id', 'owner-id', 'contact-id'];
+       $item = Item::selectFirstForUser($a->profile['profile_uid'], $fields, $condition);
 
        if (!DBA::isResult($item)) {
-               System::httpExit(404);
+               throw new HTTPException\NotFoundException(L10n::t('The requested item doesn\'t exist or has been deleted.'));
        }
 
        $item['uri'] = $item['parent-uri'];
@@ -385,7 +339,10 @@ function display_content(App $a, $update = false, $update_uid = 0)
        $title = htmlspecialchars($title, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
        $author_name = htmlspecialchars($author_name, ENT_COMPAT, 'UTF-8', true); // allow double encoding here
 
-       //<meta name="keywords" content="">
+       if (DBA::exists('contact', ['unsearchable' => true, 'id' => [$item['contact-id'], $item['author-id'], $item['owner-id']]])) {
+               $a->page['htmlhead'] .= '<meta content="noindex, noarchive" name="robots" />' . "\n";
+       }
+
        $a->page['htmlhead'] .= '<meta name="author" content="'.$author_name.'" />'."\n";
        $a->page['htmlhead'] .= '<meta name="title" content="'.$title.'" />'."\n";
        $a->page['htmlhead'] .= '<meta name="fulltitle" content="'.$title.'" />'."\n";
@@ -424,9 +381,9 @@ function displayShowFeed($item_id, $conversation)
 {
        $xml = DFRN::itemFeed($item_id, $conversation);
        if ($xml == '') {
-               System::httpExit(500);
+               throw new HTTPException\InternalServerErrorException(L10n::t('The feed for this item is unavailable.'));
        }
        header("Content-type: application/atom+xml");
        echo $xml;
-       killme();
+       exit();
 }