]> git.mxchange.org Git - friendica.git/blobdiff - mod/item.php
Issue 11182: prevent personal notes from being altered
[friendica.git] / mod / item.php
index c00faf5dc5b14eb92ba6de7fe7949ce211599c9b..7d9cdb0286b6e4772c2d438cf0cde3b283de9b23 100644 (file)
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2020, Friendica
+ * @copyright Copyright (C) 2010-2022, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -40,13 +40,14 @@ use Friendica\Core\System;
 use Friendica\Core\Worker;
 use Friendica\Database\DBA;
 use Friendica\DI;
+use Friendica\Model\APContact;
 use Friendica\Model\Attach;
 use Friendica\Model\Contact;
 use Friendica\Model\Conversation;
 use Friendica\Model\FileTag;
 use Friendica\Model\Item;
-use Friendica\Model\Notify;
-use Friendica\Model\Notify\Type;
+use Friendica\Model\ItemURI;
+use Friendica\Model\Notification;
 use Friendica\Model\Photo;
 use Friendica\Model\Post;
 use Friendica\Model\Tag;
@@ -54,9 +55,9 @@ use Friendica\Model\User;
 use Friendica\Network\HTTPException;
 use Friendica\Object\EMail\ItemCCEMail;
 use Friendica\Protocol\Activity;
-use Friendica\Protocol\Diaspora;
-use Friendica\Util\DateTimeFormat;
 use Friendica\Security\Security;
+use Friendica\Util\DateTimeFormat;
+use Friendica\Util\ParseUrl;
 use Friendica\Worker\Delivery;
 
 function item_post(App $a) {
@@ -114,9 +115,9 @@ function item_post(App $a) {
 
        if ($parent_item_id || $thr_parent_uri) {
                if ($parent_item_id) {
-                       $parent_item = Post::selectFirst([], ['id' => $parent_item_id]);
+                       $parent_item = Post::selectFirst(Item::ITEM_FIELDLIST, ['id' => $parent_item_id]);
                } elseif ($thr_parent_uri) {
-                       $parent_item = Post::selectFirst([], ['uri' => $thr_parent_uri, 'uid' => $profile_uid]);
+                       $parent_item = Post::selectFirst(Item::ITEM_FIELDLIST, ['uri' => $thr_parent_uri, 'uid' => $profile_uid]);
                }
 
                // if this isn't the top-level parent of the conversation, find it
@@ -126,7 +127,7 @@ function item_post(App $a) {
                        $toplevel_item = $parent_item;
 
                        if ($parent_item['gravity'] != GRAVITY_PARENT) {
-                               $toplevel_item = Post::selectFirst([], ['id' => $toplevel_item['parent']]);
+                               $toplevel_item = Post::selectFirst(Item::ITEM_FIELDLIST, ['id' => $toplevel_item['parent']]);
                        }
                }
 
@@ -144,7 +145,7 @@ function item_post(App $a) {
                        $stored = Item::storeForUserByUriId($toplevel_item['uri-id'], local_user());
                        Logger::info('Public item stored for user', ['uri-id' => $toplevel_item['uri-id'], 'uid' => $uid, 'stored' => $stored]);
                        if ($stored) {
-                               $toplevel_item = Post::selectFirst([], ['id' => $stored]);
+                               $toplevel_item = Post::selectFirst(Item::ITEM_FIELDLIST, ['id' => $stored]);
                        }
                }
 
@@ -176,10 +177,11 @@ function item_post(App $a) {
        }
 
        // Allow commenting if it is an answer to a public post
-       $allow_comment = local_user() && ($profile_uid == 0) && $toplevel_item_id && in_array($toplevel_item['network'], Protocol::FEDERATED);
+       $allow_comment = local_user() && $toplevel_item_id && in_array($toplevel_item['private'], [Item::PUBLIC, Item::UNLISTED]) && in_array($toplevel_item['network'], Protocol::FEDERATED);
 
        // Now check that valid personal details have been provided
        if (!Security::canWriteToUserWall($profile_uid) && !$allow_comment) {
+               Logger::notice('Permission denied.', ['local' => local_user(), 'profile_uid' => $profile_uid, 'toplevel_item_id' => $toplevel_item_id, 'network' => $toplevel_item['network']]);
                notice(DI::l10n()->t('Permission denied.'));
                if ($return_path) {
                        DI::baseUrl()->redirect($return_path);
@@ -218,12 +220,16 @@ function item_post(App $a) {
 
                $attachment_img_width  = $_REQUEST['attachment_img_width'] ??  0;
                $attachment_img_height = $_REQUEST['attachment_img_height'] ?? 0;
-               $attachment = [
-                       'type'   => $attachment_type,
-                       'title'  => $attachment_title,
-                       'text'   => $attachment_text,
-                       'url'    => $attachment_url,
-               ];
+
+               // Fetch the basic attachment data
+               $attachment = ParseUrl::getSiteinfoCached($attachment_url);
+               unset($attachment['keywords']);
+
+               // Overwrite the basic data with possible changes from the frontend
+               $attachment['type'] = $attachment_type;
+               $attachment['title'] = $attachment_title;
+               $attachment['text'] = $attachment_text;
+               $attachment['url'] = $attachment_url;
 
                if (!empty($attachment_img_src)) {
                        $attachment['images'] = [
@@ -233,6 +239,8 @@ function item_post(App $a) {
                                        'height' => $attachment_img_height
                                ]
                        ];
+               } else {
+                       unset($attachment['images']);
                }
 
                $att_bbcode = "\n" . PageInfo::getFooterFromData($attachment);
@@ -252,7 +260,7 @@ function item_post(App $a) {
                $verb              = $orig_post['verb'];
                $objecttype        = $orig_post['object-type'];
                $app               = $orig_post['app'];
-               $categories        = $orig_post['file'] ?? '';
+               $categories        = Post\Category::getTextByURIId($orig_post['uri-id'], $orig_post['uid']);
                $title             = trim($_REQUEST['title'] ?? '');
                $body              = trim($body);
                $private           = $orig_post['private'];
@@ -344,10 +352,8 @@ function item_post(App $a) {
                $filedas = FileTag::fileToArray($categories);
        }
 
-       // save old and new categories, so we can determine what needs to be deleted from pconfig
-       $categories_old = $categories;
-       $categories = FileTag::listToFile(trim($_REQUEST['category'] ?? ''), 'category');
-       $categories_new = $categories;
+       $list_array = explode(',', trim($_REQUEST['category'] ?? ''));
+       $categories = FileTag::arrayToFile($list_array, 'category');
 
        if (!empty($filedas) && is_array($filedas)) {
                // append the fileas stuff to the new categories list
@@ -385,66 +391,83 @@ function item_post(App $a) {
        $only_to_forum = false;
        $forum_contact = [];
 
-       $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) use ($profile_uid, $network, $str_contact_allow, &$inform, &$private_forum, &$private_id, &$only_to_forum, &$forum_contact) {
-               $tags = BBCode::getTags($body);
+       // Personal notes must never be altered to a forum post.
+       if ($posttype != Item::PT_PERSONAL_NOTE) {
+               $body = BBCode::performWithEscapedTags($body, ['noparse', 'pre', 'code', 'img'], function ($body) use ($profile_uid, $network, $str_contact_allow, &$inform, &$private_forum, &$private_id, &$only_to_forum, &$forum_contact) {
+                       $tags = BBCode::getTags($body);
 
-               $tagged = [];
+                       $tagged = [];
 
-               foreach ($tags as $tag) {
-                       $tag_type = substr($tag, 0, 1);
+                       foreach ($tags as $tag) {
+                               $tag_type = substr($tag, 0, 1);
 
-                       if ($tag_type == Tag::TAG_CHARACTER[Tag::HASHTAG]) {
-                               continue;
-                       }
+                               if ($tag_type == Tag::TAG_CHARACTER[Tag::HASHTAG]) {
+                                       continue;
+                               }
 
-                       /* If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
-                        * Robert Johnson should be first in the $tags array
-                        */
-                       foreach ($tagged as $nextTag) {
-                               if (stristr($nextTag, $tag . ' ')) {
-                                       continue 2;
+                               /* If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
+                               * Robert Johnson should be first in the $tags array
+                               */
+                               foreach ($tagged as $nextTag) {
+                                       if (stristr($nextTag, $tag . ' ')) {
+                                               continue 2;
+                                       }
                                }
-                       }
 
-                       $success = ItemHelper::replaceTag($body, $inform, local_user() ? local_user() : $profile_uid, $tag, $network);
-                       if ($success['replaced']) {
-                               $tagged[] = $tag;
-                       }
-                       // When the forum is private or the forum is addressed with a "!" make the post private
-                       if (!empty($success['contact']['prv']) || ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
-                               $private_forum = $success['contact']['prv'];
-                               $only_to_forum = ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
-                               $private_id = $success['contact']['id'];
-                               $forum_contact = $success['contact'];
-                       } elseif (!empty($success['contact']['forum']) && ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
-                               $private_forum = false;
-                               $only_to_forum = true;
-                               $private_id = $success['contact']['id'];
-                               $forum_contact = $success['contact'];
+                               if ($success = ItemHelper::replaceTag($body, $inform, local_user() ? local_user() : $profile_uid, $tag, $network)) {
+                                       if ($success['replaced']) {
+                                               $tagged[] = $tag;
+                                       }
+                                       // When the forum is private or the forum is addressed with a "!" make the post private
+                                       if (!empty($success['contact']['prv']) || ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION])) {
+                                               $private_forum = $success['contact']['prv'];
+                                               $only_to_forum = ($tag_type == Tag::TAG_CHARACTER[Tag::EXCLUSIVE_MENTION]);
+                                               $private_id = $success['contact']['id'];
+                                               $forum_contact = $success['contact'];
+                                       } elseif (!empty($success['contact']['forum']) && ($str_contact_allow == '<' . $success['contact']['id'] . '>')) {
+                                               $private_forum = false;
+                                               $only_to_forum = true;
+                                               $private_id = $success['contact']['id'];
+                                               $forum_contact = $success['contact'];
+                                       }
+                               }
                        }
-               }
 
-               return $body;
-       });
+                       return $body;
+               });
+       }
 
        $original_contact_id = $contact_id;
 
        if (!$toplevel_item_id && !empty($forum_contact) && ($private_forum || $only_to_forum)) {
                // we tagged a forum in a top level post. Now we change the post
-               $private = $private_forum;
+               $private = $private_forum ? Item::PRIVATE : Item::UNLISTED;
 
-               $str_group_allow = '';
-               $str_contact_deny = '';
-               $str_group_deny = '';
-               if ($private_forum) {
-                       $str_contact_allow = '<' . $private_id . '>';
-               } else {
+               if ($only_to_forum) {
+                       $postopts = '';
+               }
+
+               if (!$private_forum) {
                        $str_contact_allow = '';
+                       $str_group_allow   = '';
+                       $str_contact_deny  = '';
+                       $str_group_deny    = '';
+               }
+
+               if ($private_forum || !APContact::getByURL($forum_contact['url'])) {
+                       $str_group_allow = '';
+                       $str_contact_deny = '';
+                       $str_group_deny = '';
+                       if ($private_forum) {
+                               $str_contact_allow = '<' . $private_id . '>';
+                       } else {
+                               $str_contact_allow = '';
+                       }
+                       $contact_id = $private_id;
+                       $contact_record = $forum_contact;
+                       $_REQUEST['origin'] = false;
+                       $wall = 0;
                }
-               $contact_id = $private_id;
-               $contact_record = $forum_contact;
-               $_REQUEST['origin'] = false;
-               $wall = 0;
        }
 
        /*
@@ -466,7 +489,7 @@ function item_post(App $a) {
        /*
         * Next link in any attachment references we find in the post.
         */
-       $match = false;
+       $match = [];
 
        /// @todo these lines should be moved to Model/Attach (Once it exists)
        if (!$preview && preg_match_all("/\[attachment\](.*?)\[\/attachment\]/", $body, $match)) {
@@ -493,6 +516,7 @@ function item_post(App $a) {
        // embedded bookmark or attachment in post? set bookmark flag
 
        $data = BBCode::getAttachmentData($body);
+       $match = [];
        if ((preg_match_all("/\[bookmark\=([^\]]*)\](.*?)\[\/bookmark\]/ism", $body, $match, PREG_SET_ORDER) || isset($data["type"]))
                && ($posttype != Item::PT_PERSONAL_NOTE)) {
                $posttype = Item::PT_PAGE;
@@ -519,7 +543,7 @@ function item_post(App $a) {
        }
 
        $attachments = '';
-       $match = false;
+       $match = [];
 
        if (preg_match_all('/(\[attachment\]([0-9]+)\[\/attachment\])/',$body,$match)) {
                foreach ($match[2] as $mtch) {
@@ -607,9 +631,10 @@ function item_post(App $a) {
 
        $datarray['postopts']      = $postopts;
        $datarray['origin']        = $origin;
-       $datarray['moderated']     = false;
        $datarray['object']        = $object;
 
+       $datarray['attachments']   = $_REQUEST['attachments'] ?? [];
+
        /*
         * These fields are for the convenience of addons...
         * 'self' if true indicates the owner is posting on their own wall
@@ -655,16 +680,32 @@ function item_post(App $a) {
                // doesn't have an ID.
                $datarray["id"] = -1;
                $datarray["uri-id"] = -1;
-               $datarray["item_id"] = -1;
                $datarray["author-network"] = Protocol::DFRN;
 
-               $o = conversation($a, [array_merge($contact_record, $datarray)], 'search', false, true);
+               $o = DI::conversation()->create([array_merge($contact_record, $datarray)], 'search', false, true);
 
                System::jsonExit(['preview' => $o]);
        }
 
        Hook::callAll('post_local',$datarray);
 
+       if (!empty($_REQUEST['scheduled_at'])) {
+               $scheduled_at = DateTimeFormat::convert($_REQUEST['scheduled_at'], 'UTC', $a->getTimeZone());
+               if ($scheduled_at > DateTimeFormat::utcNow()) {
+                       unset($datarray['created']);
+                       unset($datarray['edited']);
+                       unset($datarray['commented']);
+                       unset($datarray['received']);
+                       unset($datarray['changed']);
+                       unset($datarray['edit']);
+                       unset($datarray['self']);
+                       unset($datarray['api_source']);
+
+                       Post\Delayed::add($datarray['uri'], $datarray, PRIORITY_HIGH, Post\Delayed::PREPARED_NO_HOOK, $scheduled_at);
+                       item_post_return(DI::baseUrl(), $api_source, $return_path);
+               }
+       }
+
        if (!empty($datarray['cancel'])) {
                Logger::info('mod_item: post cancelled by addon.');
                if ($return_path) {
@@ -679,6 +720,8 @@ function item_post(App $a) {
                System::jsonExit($json);
        }
 
+       $datarray['uri-id'] = ItemURI::getIdByURI($datarray['uri']);
+
        if ($orig_post) {
                // Fill the cache field
                // This could be done in Item::update as well - but we have to check for the existance of some fields.
@@ -696,9 +739,6 @@ function item_post(App $a) {
 
                Item::update($fields, ['id' => $post_id]);
 
-               // update filetags in pconfig
-               FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
-
                if ($return_path) {
                        DI::baseUrl()->redirect($return_path);
                }
@@ -710,13 +750,6 @@ function item_post(App $a) {
        unset($datarray['self']);
        unset($datarray['api_source']);
 
-       if ($origin) {
-               $signed = Diaspora::createCommentSignature($uid, $datarray);
-               if (!empty($signed)) {
-                       $datarray['diaspora_signed_text'] = json_encode($signed);
-               }
-       }
-
        $post_id = Item::insert($datarray);
 
        if (!$post_id) {
@@ -745,15 +778,12 @@ function item_post(App $a) {
                Tag::createImplicitMentions($datarray['uri-id'], $datarray['thr-parent-id']);
        }
 
-       // update filetags in pconfig
-       FileTag::updatePconfig($uid, $categories_old, $categories_new, 'category');
-
        // These notifications are sent if someone else is commenting other your wall
        if ($contact_record != $author) {
                if ($toplevel_item_id) {
-                       notification([
-                               'type'  => Type::COMMENT,
-                               'otype' => Notify\ObjectType::ITEM,
+                       DI::notify()->createFromArray([
+                               'type'  => Notification\Type::COMMENT,
+                               'otype' => Notification\ObjectType::ITEM,
                                'verb'  => Activity::POST,
                                'uid'   => $profile_uid,
                                'cid'   => $datarray['author-id'],
@@ -761,9 +791,9 @@ function item_post(App $a) {
                                'link'  => DI::baseUrl() . '/display/' . urlencode($datarray['guid']),
                        ]);
                } elseif (empty($forum_contact)) {
-                       notification([
-                               'type'  => Type::WALL,
-                               'otype' => Notify\ObjectType::ITEM,
+                       DI::notify()->createFromArray([
+                               'type'  => Notification\Type::WALL,
+                               'otype' => Notification\ObjectType::ITEM,
                                'verb'  => Activity::POST,
                                'uid'   => $profile_uid,
                                'cid'   => $datarray['author-id'],
@@ -792,7 +822,7 @@ function item_post(App $a) {
        // When we are doing some forum posting via ! we have to start the notifier manually.
        // These kind of posts don't initiate the notifier call in the item class.
        if ($only_to_forum) {
-               Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => false], "Notifier", Delivery::POST, $post_id);
+               Worker::add(['priority' => PRIORITY_HIGH, 'dont_fork' => false], "Notifier", Delivery::POST, (int)$datarray['uri-id'], (int)$datarray['uid']);
        }
 
        Logger::info('post_complete');
@@ -828,24 +858,45 @@ function item_post_return($baseurl, $api_source, $return_path)
 function item_content(App $a)
 {
        if (!Session::isAuthenticated()) {
-               return;
+               throw new HTTPException\UnauthorizedException();
        }
 
-       $o = '';
+       $args = DI::args();
 
-       if (($a->argc >= 3) && ($a->argv[1] === 'drop') && intval($a->argv[2])) {
-               if (DI::mode()->isAjax()) {
-                       Item::deleteForUser(['id' => $a->argv[2]], local_user());
-                       // ajax return: [<item id>, 0 (no perm) | <owner id>]
-                       System::jsonExit([intval($a->argv[2]), local_user()]);
-               } else {
-                       if (!empty($a->argv[3])) {
-                               $o = drop_item($a->argv[2], $a->argv[3]);
+       if (!$args->has(3)) {
+               throw new HTTPException\BadRequestException();
+       }
+
+       $o = '';
+       switch ($args->get(1)) {
+               case 'drop':
+                       if (DI::mode()->isAjax()) {
+                               Item::deleteForUser(['id' => $args->get(2)], local_user());
+                               // ajax return: [<item id>, 0 (no perm) | <owner id>]
+                               System::jsonExit([intval($args->get(2)), local_user()]);
+                       } else {
+                               if (!empty($args->get(3))) {
+                                       $o = drop_item($args->get(2), $args->get(3));
+                               } else {
+                                       $o = drop_item($args->get(2));
+                               }
                        }
-                       else {
-                               $o = drop_item($a->argv[2]);
+                       break;
+               case 'block':
+                       $item = Post::selectFirstForUser(local_user(), ['guid', 'author-id', 'parent', 'gravity'], ['id' => $args->get(2)]);
+                       if (empty($item['author-id'])) {
+                               throw new HTTPException\NotFoundException('Item not found');
                        }
-               }
+
+                       Contact\User::setBlocked($item['author-id'], local_user(), true);
+
+                       if (DI::mode()->isAjax()) {
+                               // ajax return: [<item id>, 0 (no perm) | <owner id>]
+                               System::jsonExit([intval($args->get(2)), local_user()]);
+                       } else {
+                               item_redirect_after_action($item, $args->get(3));
+                       }
+                       break;
        }
 
        return $o;
@@ -861,7 +912,7 @@ function drop_item(int $id, string $return = '')
 {
        // locate item to be deleted
        $fields = ['id', 'uid', 'guid', 'contact-id', 'deleted', 'gravity', 'parent'];
-       $item = Item::selectFirstForUser(local_user(), $fields, ['id' => $id]);
+       $item = Post::selectFirstForUser(local_user(), $fields, ['id' => $id]);
 
        if (!DBA::isResult($item)) {
                notice(DI::l10n()->t('Item not found.'));
@@ -880,40 +931,12 @@ function drop_item(int $id, string $return = '')
        }
 
        if ((local_user() == $item['uid']) || $contact_id) {
-               if (!empty($item['parent'])) {
-                       $parentitem = Item::selectFirstForUser(local_user(), ['guid'], ['id' => $item['parent']]);
-               }
-
                // delete the item
                Item::deleteForUser(['id' => $item['id']], local_user());
 
-               $return_url = hex2bin($return);
-
-               // removes update_* from return_url to ignore Ajax refresh
-               $return_url = str_replace("update_", "", $return_url);
-
-               // Check if delete a comment
-               if ($item['gravity'] == GRAVITY_COMMENT) {
-                       // Return to parent guid
-                       if (!empty($parentitem)) {
-                               DI::baseUrl()->redirect('display/' . $parentitem['guid']);
-                               //NOTREACHED
-                       } // In case something goes wrong
-                       else {
-                               DI::baseUrl()->redirect('network');
-                               //NOTREACHED
-                       }
-               } else {
-                       // if unknown location or deleting top level post called from display
-                       if (empty($return_url) || strpos($return_url, 'display') !== false) {
-                               DI::baseUrl()->redirect('network');
-                               //NOTREACHED
-                       } else {
-                               DI::baseUrl()->redirect($return_url);
-                               //NOTREACHED
-                       }
-               }
+               item_redirect_after_action($item, $return);
        } else {
+               Logger::notice('Permission denied.', ['local' => local_user(), 'uid' => $item['uid'], 'cid' => $contact_id]);
                notice(DI::l10n()->t('Permission denied.'));
                DI::baseUrl()->redirect('display/' . $item['guid']);
                //NOTREACHED
@@ -921,3 +944,37 @@ function drop_item(int $id, string $return = '')
 
        return '';
 }
+
+function item_redirect_after_action($item, $returnUrlHex)
+{
+       $return_url = hex2bin($returnUrlHex);
+
+       // removes update_* from return_url to ignore Ajax refresh
+       $return_url = str_replace("update_", "", $return_url);
+
+       // Check if delete a comment
+       if ($item['gravity'] == GRAVITY_COMMENT) {
+               if (!empty($item['parent'])) {
+                       $parentitem = Post::selectFirstForUser(local_user(), ['guid'], ['id' => $item['parent']]);
+               }
+
+               // Return to parent guid
+               if (!empty($parentitem)) {
+                       DI::baseUrl()->redirect('display/' . $parentitem['guid']);
+                       //NOTREACHED
+               } // In case something goes wrong
+               else {
+                       DI::baseUrl()->redirect('network');
+                       //NOTREACHED
+               }
+       } else {
+               // if unknown location or deleting top level post called from display
+               if (empty($return_url) || strpos($return_url, 'display') !== false) {
+                       DI::baseUrl()->redirect('network');
+                       //NOTREACHED
+               } else {
+                       DI::baseUrl()->redirect($return_url);
+                       //NOTREACHED
+               }
+       }
+}