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<?php
/*
** ZABBIX
** Copyright (C) 2000-2005 SIA Zabbix
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 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 General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
**/
?>
<?php
function get_image_by_imageid($imageid){
/*global $DB;
$st = sqlite3_query($DB['DB'], 'select * from images where imageid='.$imageid);
info(implode(',',sqlite3_fetch_array($st)));
info(sqlite3_column_type($st,3));
info(SQLITE3_INTEGER.','.SQLITE3_FLOAT.','.SQLITE3_TEXT.','.SQLITE3_BLOB.','.SQLITE3_NULL);
return 0;*/
global $DB;
$result = DBselect('select * from images where imageid='.$imageid);
$row = DBfetch($result);
if($row){
if($DB['TYPE'] == "ORACLE"){
if(!isset($row['image']))
return 0;
$row['image'] = $row['image']->load();
}
else if($DB['TYPE'] == "POSTGRESQL"){
$row['image'] = pg_unescape_bytea($row['image']);
}
else if($DB['TYPE'] == "SQLITE3"){
$row['image'] = pack('H*', $row['image']);
}
return $row;
}
else{
return 0;
}
}
function add_image($name,$imagetype,$file){
if(!is_null($file)){
if($file["error"] != 0 || $file["size"]==0){
error("Incorrect Image");
}
else if($file["size"]<1024*1024){
global $DB;
$imageid = get_dbid("images","imageid");
$image = fread(fopen($file["tmp_name"],"r"),filesize($file["tmp_name"]));
if($DB['TYPE'] == "ORACLE"){
DBstart();
$lobimage = OCINewDescriptor($DB['DB'], OCI_D_LOB);
$stid = OCIParse($DB['DB'], "insert into images (imageid,name,imagetype,image)".
" values ($imageid,".zbx_dbstr($name).",".$imagetype.",EMPTY_BLOB())".
" return image into :image");
if(!$stid){
$e = ocierror($stid);
error("Parse SQL error [".$e["message"]."] in [".$e["sqltext"]."]");
return false;
}
OCIBindByName($stid, ':image', $lobimage, -1, OCI_B_BLOB);
if(!OCIExecute($stid, OCI_DEFAULT)){
$e = ocierror($stid);
error("Execute SQL error [".$e["message"]."] in [".$e["sqltext"]."]");
return false;
}
if(DBend($lobimage->save($image))){
error("Couldn't save image!\n");
return false;
}
$lobimage->free();
OCIFreeStatement($stid);
return $stid;
}
else if($DB['TYPE'] == "POSTGRESQL"){
$image = pg_escape_bytea($image);
}
else if($DB['TYPE'] == "SQLITE3"){
$image = bin2hex($image);
}
return DBexecute("insert into images (imageid,name,imagetype,image)".
" values ($imageid,".zbx_dbstr($name).",".$imagetype.",".zbx_dbstr($image).")");
}
else{
error("Image size must be less than 1Mb");
}
}
else{
error("Select image to download");
}
return false;
}
function update_image($imageid,$name,$imagetype,$file){
if(is_null($file))
{ /* only update parameters */
return DBexecute("update images set name=".zbx_dbstr($name).",imagetype=".zbx_dbstr($imagetype).
" where imageid=$imageid");
}
else{
global $DB;
if($file["error"] != 0 || $file["size"]==0){
error("Incorrect Image");
return FALSE;
}
if($file["size"]<1024*1024){
$image=fread(fopen($file["tmp_name"],"r"),filesize($file["tmp_name"]));
if($DB['TYPE'] == "ORACLE"){
$result = DBexecute('UPDATE images SET name='.zbx_dbstr($name).',imagetype='.zbx_dbstr($imagetype).
' WHERE imageid='.$imageid);
if(!$result) return $result;
DBstart();
if(!$stid = DBselect('SELECT image FROM images WHERE imageid='.$imageid.' FOR UPDATE')){
DBend();
return false;
}
$row = DBfetch($stid);
$lobimage = $row['image'];
DBend($lobimage->save($image));
$lobimage->free();
return $stid;
}
else if($DB['TYPE'] == "POSTGRESQL"){
$image = pg_escape_bytea($image);
$sql='UPDATE images SET name='.zbx_dbstr($name).',imagetype='.zbx_dbstr($imagetype).",image='".$image."'".
' WHERE imageid='.$imageid;
return DBexecute($sql);
}
else if($DB['TYPE'] == "SQLITE3"){
$image = bin2hex($image);
}
$sql='UPDATE images SET name='.zbx_dbstr($name).',imagetype='.zbx_dbstr($imagetype).',image='.zbx_dbstr($image).
' WHERE imageid='.$imageid;
return DBexecute($sql);
}
else{
error("Image size must be less than 1Mb");
return FALSE;
}
}
}
function delete_image($imageid)
{
return DBexecute("delete from images where imageid=$imageid");
}
?>
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