[0005200] Attach Documents: filename length check added to avoid unexpected error...
[fa-stable.git] / admin / attachments.php
1 <?php
2 /**********************************************************************
3     Copyright (C) FrontAccounting, LLC.
4         Released under the terms of the GNU General Public License, GPL, 
5         as published by the Free Software Foundation, either version 3 
6         of the License, or (at your option) any later version.
7     This program is distributed in the hope that it will be useful,
8     but WITHOUT ANY WARRANTY; without even the implied warranty of
9     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  
10     See the License here <http://www.gnu.org/licenses/gpl-3.0.html>.
11 ***********************************************************************/
12 $path_to_root="..";
13 $page_security = 'SA_ATTACHDOCUMENT';
14
15 include_once($path_to_root . "/includes/db_pager.inc");
16 include_once($path_to_root . "/includes/session.inc");
17
18 include_once($path_to_root . "/includes/date_functions.inc");
19 include_once($path_to_root . "/includes/ui.inc");
20 include_once($path_to_root . "/includes/data_checks.inc");
21 include_once($path_to_root . "/admin/db/attachments_db.inc");
22 include_once($path_to_root . "/admin/db/transactions_db.inc");
23
24 if (isset($_GET['vw']))
25         $view_id = $_GET['vw'];
26 else
27         $view_id = find_submit('view');
28 if ($view_id != -1)
29 {
30         $row = get_attachment($view_id);
31         if ($row['filename'] != "")
32         {
33                 if(in_ajax()) {
34                         $Ajax->popup($_SERVER['PHP_SELF'].'?vw='.$view_id);
35                 } else {
36                         $type = ($row['filetype']) ? $row['filetype'] : 'application/octet-stream';     
37                 header("Content-type: ".$type);
38                 header('Content-Length: '.$row['filesize']);
39                         header("Content-Disposition: inline");
40                 echo file_get_contents(company_path(). "/attachments/".$row['unique_name']);
41                 exit();
42                 }
43         }       
44 }
45 if (isset($_GET['dl']))
46         $download_id = $_GET['dl'];
47 else
48         $download_id = find_submit('download');
49
50 if ($download_id != -1)
51 {
52         $row = get_attachment($download_id);
53         if ($row['filename'] != "")
54         {
55                 if(in_ajax()) {
56                         $Ajax->redirect($_SERVER['PHP_SELF'].'?dl='.$download_id);
57                 } else {
58                         $type = ($row['filetype']) ? $row['filetype'] : 'application/octet-stream';     
59                 header("Content-type: ".$type);
60                 header('Content-Length: '.$row['filesize']);
61                 header('Content-Disposition: attachment; filename="'.$row['filename'].'"');
62                 echo file_get_contents(company_path()."/attachments/".$row['unique_name']);
63                 exit();
64                 }
65         }       
66 }
67
68 $js = "";
69 if ($SysPrefs->use_popup_windows)
70         $js .= get_js_open_window(800, 500);
71 page(_($help_context = "Attach Documents"), false, false, "", $js);
72
73 simple_page_mode(true);
74 //----------------------------------------------------------------------------------------
75 if (isset($_GET['filterType'])) // catch up external links
76         $_POST['filterType'] = $_GET['filterType'];
77 if (isset($_GET['trans_no']))
78         $_POST['trans_no'] = $_GET['trans_no'];
79
80 if ($Mode == 'ADD_ITEM' || $Mode == 'UPDATE_ITEM')
81 {
82         
83         $filename = basename($_FILES['filename']['name']);
84         if (!transaction_exists($_POST['filterType'], $_POST['trans_no']))
85                 display_error(_("Selected transaction does not exists."));
86         elseif ($Mode == 'ADD_ITEM' && !isset($_FILES['filename']))
87                 display_error(_("Select attachment file."));
88         elseif ($Mode == 'ADD_ITEM' && ($_FILES['filename']['error'] > 0)) {
89         if ($_FILES['filename']['error'] == UPLOAD_ERR_INI_SIZE) 
90                         display_error(_("The file size is over the maximum allowed."));
91         else
92                         display_error(_("Select attachment file."));
93         } elseif ( strlen($filename) > 60) {
94                 display_error(_("File name exceeds maximum of 60 chars. Please change filename and try again."));
95         } else {
96                 //$content = base64_encode(file_get_contents($_FILES['filename']['tmp_name']));
97                 $tmpname = $_FILES['filename']['tmp_name'];
98
99                 $dir =  company_path()."/attachments";
100                 if (!file_exists($dir))
101                 {
102                         mkdir ($dir,0777);
103                         $index_file = "<?php\nheader(\"Location: ../index.php\");\n";
104                         $fp = fopen($dir."/index.php", "w");
105                         fwrite($fp, $index_file);
106                         fclose($fp);
107                 }
108
109                 $filesize = $_FILES['filename']['size'];
110                 $filetype = $_FILES['filename']['type'];
111
112                 // file name compatible with POSIX
113                 // protect against directory traversal
114                 if ($Mode == 'UPDATE_ITEM')
115                 {
116                     $row = get_attachment($selected_id);
117                     if ($row['filename'] == "")
118                         exit();
119                         $unique_name = $row['unique_name'];
120                         if ($filename && file_exists($dir."/".$unique_name))
121                                 unlink($dir."/".$unique_name);
122                 }
123                 else
124                         $unique_name = random_id();
125
126                 //save the file
127                 move_uploaded_file($tmpname, $dir."/".$unique_name);
128
129                 if ($Mode == 'ADD_ITEM')
130                 {
131                         add_attachment($_POST['filterType'], $_POST['trans_no'], $_POST['description'],
132                                 $filename, $unique_name, $filesize, $filetype);
133                         display_notification(_("Attachment has been inserted.")); 
134                 }
135                 else
136                 {
137                         update_attachment($selected_id, $_POST['filterType'], $_POST['trans_no'], $_POST['description'],
138                                 $filename, $unique_name, $filesize, $filetype); 
139                         display_notification(_("Attachment has been updated.")); 
140                 }
141         }
142         refresh_pager('trans_tbl');
143         $Ajax->activate('_page_body');
144         $Mode = 'RESET';
145 }
146
147 if ($Mode == 'Delete')
148 {
149         $row = get_attachment($selected_id);
150         $dir =  company_path()."/attachments";
151         if (file_exists($dir."/".$row['unique_name']))
152                 unlink($dir."/".$row['unique_name']);
153         delete_attachment($selected_id);        
154         display_notification(_("Attachment has been deleted.")); 
155         $Mode = 'RESET';
156 }
157
158 if ($Mode == 'RESET')
159 {
160         unset($_POST['description']);
161         $selected_id = -1;
162 }
163
164 function viewing_controls()
165 {
166         global $selected_id;
167         
168     start_table(TABLESTYLE_NOBORDER);
169
170         start_row();
171         systypes_list_cells(_("Type:"), 'filterType', null, true);
172         if (list_updated('filterType'))
173                 $selected_id = -1;
174
175         if(get_post('filterType') == ST_CUSTOMER ){
176                 customer_list_cells(_("Select a customer: "), 'trans_no', null, false, true, true);
177         } elseif(get_post('filterType') == ST_SUPPLIER){
178                 supplier_list_cells(_("Select a supplier: "), 'trans_no', null,  false, true,true);
179         }
180
181         end_row();
182     end_table(1);
183
184 }
185
186 function trans_view($trans)
187 {
188         return get_trans_view_str($trans["type_no"], $trans["trans_no"]);
189 }
190
191 function edit_link($row)
192 {
193         return button('Edit'.$row["id"], _("Edit"), _("Edit"), ICON_EDIT);
194 }
195
196 function view_link($row)
197 {
198         return button('view'.$row["id"], _("View"), _("View"), ICON_VIEW);
199 }
200
201 function download_link($row)
202 {
203         return button('download'.$row["id"], _("Download"), _("Download"), ICON_DOWN);
204 }
205
206 function delete_link($row)
207 {
208         return button('Delete'.$row["id"], _("Delete"), _("Delete"), ICON_DELETE);
209 }
210
211 function display_rows($type, $trans_no)
212 {
213         $sql = get_sql_for_attached_documents($type, $type==ST_SUPPLIER || $type==ST_CUSTOMER ? $trans_no : 0);
214         $cols = array(
215                 _("#") => $type == ST_SUPPLIER || $type == ST_CUSTOMER? 'skip' : array('fun'=>'trans_view', 'ord'=>''),
216             _("Description") => array('name'=>'description'),
217             _("Filename") => array('name'=>'filename'),
218             _("Size") => array('name'=>'filesize'),
219             _("Filetype") => array('name'=>'filetype'),
220             _("Date Uploaded") => array('name'=>'tran_date', 'type'=>'date'),
221                 array('insert'=>true, 'fun'=>'edit_link'),
222                 array('insert'=>true, 'fun'=>'view_link'),
223                 array('insert'=>true, 'fun'=>'download_link'),
224                 array('insert'=>true, 'fun'=>'delete_link')
225             );  
226
227         $table =& new_db_pager('trans_tbl', $sql, $cols);
228
229         $table->width = "60%";
230
231         display_db_pager($table);
232 }
233
234 //----------------------------------------------------------------------------------------
235 if (list_updated('filterType') || list_updated('trans_no'))
236         $Ajax->activate('_page_body');
237
238 start_form(true);
239
240 viewing_controls();
241
242 $type = get_post('filterType');
243
244 display_rows($type, get_post('trans_no'));
245
246 br(2);
247
248 start_table(TABLESTYLE2);
249
250 if ($selected_id != -1)
251 {
252         if ($Mode == 'Edit')
253         {
254                 $row = get_attachment($selected_id);
255                 $_POST['trans_no']  = $row["trans_no"];
256                 $_POST['description']  = $row["description"];
257                 hidden('trans_no', $row['trans_no']);
258                 hidden('unique_name', $row['unique_name']);
259                 if ($type != ST_SUPPLIER && $type != ST_CUSTOMER)
260                         label_row(_("Transaction #"), $row['trans_no']);
261         }       
262         hidden('selected_id', $selected_id);
263 }
264 else {
265         if ($type != ST_SUPPLIER && $type != ST_CUSTOMER)
266                 text_row_ex(_("Transaction #").':', 'trans_no', 10);
267 }
268 text_row_ex(_("Description").':', 'description', 40);
269 file_row(_("Attached File") . ":", 'filename', 'filename');
270
271 end_table(1);
272
273 submit_add_or_update_center($selected_id == -1, '', 'process');
274
275 end_form();
276
277 end_page();
278