File.php 9.71 KB
Newer Older
1 2
<?php
/*
3
 * StatusNet - the distributed open-source microblogging tool
4
 * Copyright (C) 2008, 2009, StatusNet, Inc.
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.     See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.     If not, see <http://www.gnu.org/licenses/>.
 */

20
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
21 22

require_once INSTALLDIR.'/classes/Memcached_DataObject.php';
23 24 25 26 27
require_once INSTALLDIR.'/classes/File_redirection.php';
require_once INSTALLDIR.'/classes/File_oembed.php';
require_once INSTALLDIR.'/classes/File_thumbnail.php';
require_once INSTALLDIR.'/classes/File_to_post.php';
//require_once INSTALLDIR.'/classes/File_redirection.php';
28 29 30 31 32

/**
 * Table Definition for file
 */

33
class File extends Memcached_DataObject
34 35 36 37 38
{
    ###START_AUTOCODE
    /* the code below is auto generated do not remove the above tag */

    public $__table = 'file';                            // table name
39
    public $id;                              // int(4)  primary_key not_null
40
    public $url;                             // varchar(255)  unique_key
41 42 43 44 45 46
    public $mimetype;                        // varchar(50)
    public $size;                            // int(4)
    public $title;                           // varchar(255)
    public $date;                            // int(4)
    public $protected;                       // int(4)
    public $filename;                        // varchar(255)
47
    public $modified;                        // timestamp()   not_null default_CURRENT_TIMESTAMP
48 49

    /* Static get */
50
    function staticGet($k,$v=NULL) { return Memcached_DataObject::staticGet('File',$k,$v); }
51 52 53

    /* the code above is auto generated do not remove the tag below */
    ###END_AUTOCODE
54 55 56 57 58

    function isProtected($url) {
        return 'http://www.facebook.com/login.php' === $url;
    }

59 60 61 62 63 64 65 66 67 68 69
    function getAttachments($post_id) {
        $query = "select file.* from file join file_to_post on (file_id = file.id) join notice on (post_id = notice.id) where post_id = " . $this->escape($post_id);
        $this->query($query);
        $att = array();
        while ($this->fetch()) {
            $att[] = clone($this);
        }
        $this->free();
        return $att;
    }

70 71 72 73 74 75 76 77 78 79 80
    function saveNew($redir_data, $given_url) {
        $x = new File;
        $x->url = $given_url;
        if (!empty($redir_data['protected'])) $x->protected = $redir_data['protected'];
        if (!empty($redir_data['title'])) $x->title = $redir_data['title'];
        if (!empty($redir_data['type'])) $x->mimetype = $redir_data['type'];
        if (!empty($redir_data['size'])) $x->size = intval($redir_data['size']);
        if (isset($redir_data['time']) && $redir_data['time'] > 0) $x->date = intval($redir_data['time']);
        $file_id = $x->insert();

        if (isset($redir_data['type'])
81
            && (('text/html' === substr($redir_data['type'], 0, 9) || 'application/xhtml+xml' === substr($redir_data['type'], 0, 21)))
82 83
            && ($oembed_data = File_oembed::_getOembed($given_url))) {
                File_oembed::saveNew($oembed_data, $file_id);
84 85 86 87
        }
        return $x;
    }

88
    function processNew($given_url, $notice_id=null) {
89 90 91 92
        if (empty($given_url)) return -1;   // error, no url to process
        $given_url = File_redirection::_canonUrl($given_url);
        if (empty($given_url)) return -1;   // error, no url to process
        $file = File::staticGet('url', $given_url);
93
        if (empty($file)) {
94
            $file_redir = File_redirection::staticGet('url', $given_url);
95
            if (empty($file_redir)) {
96
                $redir_data = File_redirection::where($given_url);
97 98 99 100 101 102 103
                if (is_array($redir_data)) {
                    $redir_url = $redir_data['url'];
                } elseif (is_string($redir_data)) {
                    $redir_url = $redir_data;
                } else {
                    throw new ServerException("Can't process url '$given_url'");
                }
104
                // TODO: max field length
105
                if ($redir_url === $given_url || strlen($redir_url) > 255) {
106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122
                    $x = File::saveNew($redir_data, $given_url);
                    $file_id = $x->id;
                } else {
                    $x = File::processNew($redir_url, $notice_id);
                    $file_id = $x->id;
                    File_redirection::saveNew($redir_data, $file_id, $given_url);
                }
            } else {
                $file_id = $file_redir->file_id;
            }
        } else {
            $file_id = $file->id;
            $x = $file;
        }

        if (empty($x)) {
            $x = File::staticGet($file_id);
123 124 125
            if (empty($x)) {
                throw new ServerException("Robin thinks something is impossible.");
            }
126
        }
127

128 129 130
        if (!empty($notice_id)) {
            File_to_post::processNew($file_id, $notice_id);
        }
131 132
        return $x;
    }
133

134
    function isRespectsQuota($user,$fileSize) {
135

136
        if ($fileSize > common_config('attachments', 'file_quota')) {
137
            return sprintf(_('No file may be larger than %d bytes ' .
138
                             'and the file you sent was %d bytes. Try to upload a smaller version.'),
139
                           common_config('attachments', 'file_quota'), $fileSize);
140 141 142 143 144
        }

        $query = "select sum(size) as total from file join file_to_post on file_to_post.file_id = file.id join notice on file_to_post.post_id = notice.id where profile_id = {$user->id} and file.url like '%/notice/%/file'";
        $this->query($query);
        $this->fetch();
145
        $total = $this->total + $fileSize;
146 147 148
        if ($total > common_config('attachments', 'user_quota')) {
            return sprintf(_('A file this large would exceed your user quota of %d bytes.'), common_config('attachments', 'user_quota'));
        }
149
        $query .= ' AND EXTRACT(month FROM file.modified) = EXTRACT(month FROM now()) and EXTRACT(year FROM file.modified) = EXTRACT(year FROM now())';
150 151
        $this->query($query);
        $this->fetch();
152
        $total = $this->total + $fileSize;
153 154 155 156 157
        if ($total > common_config('attachments', 'monthly_quota')) {
            return sprintf(_('A file this large would exceed your monthly quota of %d bytes.'), common_config('attachments', 'monthly_quota'));
        }
        return true;
    }
158 159 160

    // where should the file go?

161 162 163 164 165 166 167 168 169 170
    static function filename($profile, $basename, $mimetype)
    {
        require_once 'MIME/Type/Extension.php';
        $mte = new MIME_Type_Extension();
        $ext = $mte->getExtension($mimetype);
        $nickname = $profile->nickname;
        $datestamp = strftime('%Y%m%dT%H%M%S', time());
        $random = strtolower(common_confirmation_code(32));
        return "$nickname-$datestamp-$random.$ext";
    }
171

172 173 174
    static function path($filename)
    {
        $dir = common_config('attachments', 'dir');
175

176 177 178
        if ($dir[strlen($dir)-1] != '/') {
            $dir .= '/';
        }
179

180 181
        return $dir . $filename;
    }
182

183 184
    static function url($filename)
    {
185
        if(common_config('site','private')) {
186

187 188
            return common_local_url('getfile',
                                array('filename' => $filename));
189

190 191
        } else {
            $path = common_config('attachments', 'path');
192

193 194 195
            if ($path[strlen($path)-1] != '/') {
                $path .= '/';
            }
196

197 198 199 200 201
            if ($path[0] != '/') {
                $path = '/'.$path;
            }

            $server = common_config('attachments', 'server');
202

203 204 205
            if (empty($server)) {
                $server = common_config('site', 'server');
            }
206

207 208 209 210
            // XXX: protocol

            return 'http://'.$server.$path.$filename;
        }
211
    }
212

213 214 215 216 217 218 219 220 221
    function getEnclosure(){
        $enclosure = (object) array();
        $enclosure->title=$this->title;
        $enclosure->url=$this->url;
        $enclosure->title=$this->title;
        $enclosure->date=$this->date;
        $enclosure->modified=$this->modified;
        $enclosure->size=$this->size;
        $enclosure->mimetype=$this->mimetype;
222 223

        if(! isset($this->filename)){
224 225 226 227 228 229 230
            $notEnclosureMimeTypes = array('text/html','application/xhtml+xml');
            $mimetype = strtolower($this->mimetype);
            $semicolon = strpos($mimetype,';');
            if($semicolon){
                $mimetype = substr($mimetype,0,$semicolon);
            }
            if(in_array($mimetype,$notEnclosureMimeTypes)){
231
                $oembed = File_oembed::staticGet('file_id',$this->id);
232
                if($oembed){
233
                    $mimetype = strtolower($oembed->mimetype);
234 235 236 237 238 239 240
                    $semicolon = strpos($mimetype,';');
                    if($semicolon){
                        $mimetype = substr($mimetype,0,$semicolon);
                    }
                    if(in_array($mimetype,$notEnclosureMimeTypes)){
                        return false;
                    }else{
241 242 243 244 245
                        if($oembed->mimetype) $enclosure->mimetype=$oembed->mimetype;
                        if($oembed->url) $enclosure->url=$oembed->url;
                        if($oembed->title) $enclosure->title=$oembed->title;
                        if($oembed->modified) $enclosure->modified=$oembed->modified;
                        unset($oembed->size);
246 247 248
                    }
                }
            }
249
        }
250
        return $enclosure;
251
    }
252
}
253