Merge pull request #2170 from fabrixxm/issue_1953

[friendica.git] / mod / wall_attach.php

diff --git a/mod/wall_attach.php b/mod/wall_attach.php
old mode 100755 (executable)
new mode 100644 (file)
index ecf4752..68752a0
--- a/mod/wall_attach.php
+++ b/mod/wall_attach.php
@@ -5,22 +5,34 @@ require_once('include/datetime.php');
 
 function wall_attach_post(&$a) {
 
+       $r_json = (x($_GET,'response') && $_GET['response']=='json');
+
        if($a->argc > 1) {
                $nick = $a->argv[1];
-               $r = q("SELECT * FROM `user` WHERE `nickname` = '%s' AND `blocked` = 0 LIMIT 1",
+               $r = q("SELECT `user`.*, `contact`.`id` FROM `user` LEFT JOIN `contact` on `user`.`uid` = `contact`.`uid`  WHERE `user`.`nickname` = '%s' AND `user`.`blocked` = 0 and `contact`.`self` = 1 LIMIT 1",
                        dbesc($nick)
                );
-               if(! count($r))
+               if(! count($r)){
+                       if ($r_json) {
+                            echo json_encode(array('error'=>t('Invalid request.')));
+                            killme();
+                        }
                        return;
+        }
 
-       }
-       else
+       } else {
+               if ($r_json) {
+                    echo json_encode(array('error'=>t('Invalid request.')));
+                    killme();
+                }
                return;
+    }
 
        $can_post  = false;
        $visitor   = 0;
 
        $page_owner_uid   = $r[0]['uid'];
+       $page_owner_cid   = $r[0]['id'];
        $page_owner_nick  = $r[0]['nickname'];
        $community_page   = (($r[0]['page-flags'] == PAGE_COMMUNITY) ? true : false);
 
@@ -28,24 +40,43 @@ function wall_attach_post(&$a) {
                $can_post = true;
        else {
                if($community_page && remote_user()) {
-                       $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
-                               intval(remote_user()),
-                               intval($page_owner_uid)
-                       );
-                       if(count($r)) {
-                               $can_post = true;
-                               $visitor = remote_user();
+                       $cid = 0;
+                       if(is_array($_SESSION['remote'])) {
+                               foreach($_SESSION['remote'] as $v) {
+                                       if($v['uid'] == $page_owner_uid) {
+                                               $cid = $v['cid'];
+                                               break;
+                                       }
+                               }
+                       }
+                       if($cid) {
+
+                               $r = q("SELECT `uid` FROM `contact` WHERE `blocked` = 0 AND `pending` = 0 AND `id` = %d AND `uid` = %d LIMIT 1",
+                                       intval($cid),
+                                       intval($page_owner_uid)
+                               );
+                               if(count($r)) {
+                                       $can_post = true;
+                                       $visitor = $cid;
+                               }
                        }
                }
        }
-
        if(! $can_post) {
+               if ($r_json) {
+                    echo json_encode(array('error'=>t('Permission denied.')));
+                    killme();
+                }
                notice( t('Permission denied.') . EOL );
                killme();
        }
 
-       if(! x($_FILES,'userfile'))
+       if(! x($_FILES,'userfile')) {
+               if ($r_json) {
+                    echo json_encode(array('error'=>t('Invalid request.')));
+                }
                killme();
+       }
 
        $src      = $_FILES['userfile']['tmp_name'];
        $filename = basename($_FILES['userfile']['name']);
@@ -53,15 +84,55 @@ function wall_attach_post(&$a) {
 
        $maxfilesize = get_config('system','maxfilesize');
 
+       /* Found html code written in text field of form,
+        * when trying to upload a file with filesize
+        * greater than upload_max_filesize. Cause is unknown.
+        * Then Filesize gets <= 0.
+        */
+
+       if($filesize <=0) {
+               $msg = t('Sorry, maybe your upload is bigger than the PHP configuration allows') . EOL .(t('Or - did you try to upload an empty file?'));
+               if ($r_json) {
+                       echo json_encode(array('error'=>$msg));
+               } else {
+                       notice( $msg. EOL );
+               }
+               @unlink($src);
+               killme();
+       }
+
        if(($maxfilesize) && ($filesize > $maxfilesize)) {
-               notice( sprintf(t('File exceeds size limit of %d'), $maxfilesize) . EOL);
+               $msg = sprintf(t('File exceeds size limit of %s'), formatBytes($maxfilesize));
+               if ($r_json) {
+                       echo json_encode(array('error'=>$msg));
+               } else {
+                       echo  $msg. EOL ;
+               }
                @unlink($src);
-               return;
+               killme();
        }
 
+       $r = q("select sum(octet_length(data)) as total from attach where uid = %d ",
+               intval($page_owner_uid)
+       );
+
+       $limit = service_class_fetch($page_owner_uid,'attach_upload_limit');
+
+       if(($limit !== false) && (($r[0]['total'] + strlen($imagedata)) > $limit)) {
+               $msg = upgrade_message(true);
+               if ($r_json) {
+                       echo json_encode(array('error'=>$msg));
+               } else {
+                       echo  $msg. EOL ;
+               }
+               @unlink($src);
+               killme();
+       }
+
+
        $filedata = @file_get_contents($src);
        $mimetype = z_mime_content_type($filename);
-       $hash = random_string();
+       $hash = get_guid(64);
        $created = datetime_convert();
        $r = q("INSERT INTO `attach` ( `uid`, `hash`, `filename`, `filetype`, `filesize`, `data`, `created`, `edited`, `allow_cid`, `allow_gid`,`deny_cid`, `deny_gid` )
                VALUES ( %d, '%s', '%s', '%s', %d, '%s', '%s', '%s', '%s', '%s', '%s', '%s' ) ",
@@ -73,16 +144,21 @@ function wall_attach_post(&$a) {
                dbesc($filedata),
                dbesc($created),
                dbesc($created),
-               dbesc('<' . $page_owner_uid . '>'),
+               dbesc('<' . $page_owner_cid . '>'),
                dbesc(''),
                dbesc(''),
                dbesc('')
-       );              
+       );
 
        @unlink($src);
 
        if(! $r) {
-               echo ( t('File upload failed.') . EOL);
+               $msg =  t('File upload failed.');
+               if ($r_json) {
+                       echo json_encode(array('error'=>$msg));
+               } else {
+                       echo  $msg. EOL ;
+               }
                killme();
        }
 
@@ -93,11 +169,23 @@ function wall_attach_post(&$a) {
        );
 
        if(! count($r)) {
-               echo ( t('File upload failed.') . EOL);
+               $msg = t('File upload failed.');
+               if ($r_json) {
+                       echo json_encode(array('error'=>$msg));
+               } else {
+                       echo  $msg. EOL ;
+               }
                killme();
        }
 
-       echo  '<br /><br />[attachment]' . $r[0]['id'] . '[/attachment]' . '<br />';
+       if ($r_json) {
+            echo json_encode(array('ok'=>true));
+            killme();
+        }
+
+       $lf = "\n";
+
+       echo  $lf . $lf . '[attachment]' . $r[0]['id'] . '[/attachment]' . $lf;
 
        killme();
        // NOTREACHED