From 85eacaff6e60d19897bf52019d0fac61f7d6994d Mon Sep 17 00:00:00 2001
From: "Valeriano A.R" <valen.alfonso@gmail.com>
Date: Fri, 26 Jun 2015 03:56:23 +0200
Subject: [PATCH] Initial commit

---
 code/scans.php | 56 +++++++++++++++++++++++++++++---------------------
 code/utils.php | 25 ++++++++++++++++++++++
 config.php     |  5 +----
 3 files changed, 59 insertions(+), 27 deletions(-)

diff --git a/code/scans.php b/code/scans.php
index d6f8a02..da8058f 100644
--- a/code/scans.php
+++ b/code/scans.php
@@ -3,13 +3,35 @@
 include_once "config.php";
 include_once "utils.php";
 
+$Commands=array();
+
+function ExecCommand($command){
+	global $Commands;
+	$loggedCommand=array();
+	$loggedCommand["Command"]=$command;
+	list($returnCode, $stdout, $stderr)=ExecFull($command);
+	$loggedCommand["Result"]=$stdout;
+	$loggedCommand["Error"]=$stderr;
+	$loggedCommand["ReturnCode"]=$returnCode;
+	$Commands[]=$loggedCommand;
+	return $stdout;
+}
+
+function ShowCommandLog(){
+	global $Commands;
+	foreach($Commands as $loggedCommand){
+		DrawParagraph($loggedCommand["Command"],"font-weight: bold;");
+		DrawParagraph($loggedCommand["Result"]);
+		DrawParagraph($loggedCommand["Error"],"color: red;");
+	}
+}
+
+
 function Scan($device,$resolution,$format,$destFileBase){
 	global $PreviewDir;
 	global $ScanImage;
 	global $PNMtoJPEG;
 	global $PNMtoPNG;
-	global $PNMtoPS;
-	global $PStoPDF;
 
 	$DestFile=$PreviewDir.$destFileBase;
 	$Command=$ScanImage." -d ".$device.
@@ -17,35 +39,22 @@ function Scan($device,$resolution,$format,$destFileBase){
 	if($format=="jpg"){
 		$DestFile.=".jpg";
 		$Command.=" | {$PNMtoJPEG} --quality=100 > ".$DestFile;
-		$Scan=shell_exec($Command);
 	}
 	if($format=="png"){
 		$DestFile.=".png";
 		$Command.=" | {$PNMtoPNG} > ".$DestFile;
-		$Scan=shell_exec($Command);
-	}
-	if($format=="pdf"){
-		$DestFile2=$DestFile.".pnm";
-		$Command.=" > {$DestFile2}";
-		$Scan=shell_exec($Command);
-
-		$DestFile.=".pdf";
-		$Command="cat {$DestFile2} | {$PNMtoPS} | {$PStoPDF} - {$DestFile}";
-		$Convert=shell_exec($Command);
 	}
+	$Scan=ExecCommand($Command);
 	return $DestFile;
 }
 
 function CleanUp(){
+	global $Commands;
 	global $PreviewDir;
-	$Command="rm -rf ".$PreviewDir."*.pnm";
-	$Delete=shell_exec($Command);
 	$Command="rm -rf ".$PreviewDir."*.png";
-	$Delete=shell_exec($Command);
+	$Delete=ExecCommand($Command);
 	$Command="rm -rf ".$PreviewDir."*.jpg";
-	$Delete=shell_exec($Command);
-	$Command="rm -rf ".$PreviewDir."*.pdf";
-	$Delete=shell_exec($Command);
+	$Delete=ExecCommand($Command);
 }
 
 function MoveToDest($origFile){
@@ -53,20 +62,20 @@ function MoveToDest($origFile){
 	$destFile=basename($origFile);
 	$destFile=$FinalDestDir.$destFile;
 	$Command="cp ".$origFile." ".$destFile;
-	$Copy=shell_exec($Command);
+	$Copy=ExecCommand($Command);
 }
 
 function CropImage($file){
 	global $ImageMagik;
 	global $CropFuzz;
 	$Command=$ImageMagik." ".$file.' -fuzz '.$CropFuzz.'% -trim '.$file."\n";
-	$Cropping=shell_exec($Command);
+	$Cropping=ExecCommand($Command);
 }
 
 
 // Detect scanner
 $CMD=$ScanImage." --list-devices | grep device";
-$SaneScanner = `$CMD`;
+$SaneScanner = ExecCommand($CMD);
 unset($cmd);
 $start=strpos($SaneScanner,"`")+1;
 $laenge=strpos($SaneScanner,"'")-$start;
@@ -89,6 +98,7 @@ if(RequestParm("btnScan",false)){
 		$baseName="Scan-".date("Y-m-d_H_i_s");
 		$DestFile=Scan($Scanner,$Resolution,$Format,$baseName);
 		CropImage($DestFile);
+		CropImage($DestFile);
 	}else{
 		$baseName="Scan-".date("Y-m-d_H_i_s");
 		$DestFile=Scan($Scanner,$Resolution,$Format,$baseName);
@@ -114,5 +124,5 @@ if($DestFile!=null){
 }
 
 echo "</form>\n";
-
+ShowCommandLog();
 ?>
\ No newline at end of file
diff --git a/code/utils.php b/code/utils.php
index 9793f3a..a1723cc 100644
--- a/code/utils.php
+++ b/code/utils.php
@@ -90,6 +90,14 @@ function DrawButton($text,$id){
 		'id="'.$idFixed.'" name="'.$idFixed.'" class="button" />';
 }
 
+function DrawParagraph($text,$style=null){
+	$textFixed=htmlentities($text,ENT_HTML5, "UTF-8");
+	if($style==null){
+		echo "<p>".$textFixed."</p>\n";
+	}else{
+		echo "<p style=\"".$style."\">".$textFixed."</p>\n";
+	}
+}
 
 function RequestParm($name,$defaultValue){
 	if(isset($_GET[$name])){
@@ -101,5 +109,22 @@ function RequestParm($name,$defaultValue){
 	return $defaultValue;
 }
 
+function ExecFull($cmd, $input='') {
+    $proc = proc_open($cmd, array(array('pipe', 'r'),
+                                  array('pipe', 'w'),
+                                  array('pipe', 'w')), $pipes);
+    fwrite($pipes[0], $input);
+    fclose($pipes[0]);
+ 
+    $stdout = stream_get_contents($pipes[1]);
+    fclose($pipes[1]);
+ 
+    $stderr = stream_get_contents($pipes[2]);
+    fclose($pipes[2]);
+ 
+    $return_code = (int)proc_close($proc);
+ 
+    return array($return_code, $stdout, $stderr);
+}
 
 ?>
\ No newline at end of file
diff --git a/config.php b/config.php
index 3905529..ee4c77e 100644
--- a/config.php
+++ b/config.php
@@ -7,8 +7,6 @@
 $ScanImage    = "/usr/bin/scanimage";
 $PNMtoJPEG    = "/usr/bin/pnmtojpeg";
 $PNMtoPNG     = "/usr/bin/pnmtopng";
-$PNMtoPS      = "/usr/bin/pnmtops";
-$PStoPDF      = "/usr/bin/ps2pdf14";
 $ImageMagik   = "/usr/bin/convert";
 
 // Destination dirs
@@ -31,8 +29,7 @@ $Resolution=200;
 // Formats
 $Formats=array(
 	"PNG"=>"png",
-	"JPEG/JPG"=>"jpg",
-	"PDF"=>"pdf"
+	"JPEG/JPG"=>"jpg"
 );
 $Format="png";