New and updated version of old code.

2024-05-15 21:24:05 +02:00
commit cc1038047e
11 changed files with 448 additions and 0 deletions
--- a/api/scan.php
+++ b/api/scan.php
@@ -0,0 +1,126 @@
+<?php
+require("../include/appConfig.php");
+session_start();
+
+////
+//
+/// Functions
+//
+////
+
+function generateRandomString($length = 10)
+{
+	$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+	$charactersLength = strlen($characters);
+	$randomString = '';
+	for ($i = 0; $i < $length; $i++)
+	{
+		$randomString .= $characters[rand(0, $charactersLength - 1)];
+	}
+	return $randomString;
+}
+
+function checkInput()
+{
+	global $appConfig;
+	$checkOK = true;
+
+	if (isset($_GET['outputImageResolution']))
+	{
+		$found = false;
+		foreach ($appConfig['outputImageResolution'] as $item)
+		{
+			if($item[0] == $_GET['outputImageResolution']) $found = true;
+		}
+		if(!$found) $checkOK = false;
+	}
+	else $checkOK = false;
+
+	if (isset($_GET['outputImageColorDepth']))
+	{
+		$found = false;
+		foreach ($appConfig['outputImageColorDepth'] as $item)
+		{
+			if($item[0] == $_GET['outputImageColorDepth']) $found = true;
+		}
+		if(!$found) $checkOK = false;
+	}
+	else $checkOK = false;
+
+	if(isset($_GET['outputFileFormat']))
+	{
+		$found = false;
+		foreach ($appConfig['outputImageFormats'] as $item)
+		{
+			if($item[0] == $_GET['outputFileFormat']) $found = true;
+		}
+		if(!$found) $checkOK = false;
+	}
+	else $checkOK = false;
+
+	if (isset($_GET['inputPageSize']))
+	{
+		$found = false;
+		foreach ($appConfig['inputPageSizes'] as $item)
+		{
+			if($item[0] == $_GET['inputPageSize']) $found = true;
+		}
+		if(!$found) $checkOK = false;
+	}
+	else $checkOK = false;
+
+	if (isset($_GET['deviceID']))
+	{
+		$found = false;
+		foreach ($_SESSION['ScannersList'] as $item)
+		{
+			if($item[0] == $_GET['deviceID']) $found = true;
+		}
+		if(!$found) $checkOK = false;
+	}
+	else $checkOK = false;
+
+	return $checkOK;
+}
+
+function getNewFileName()
+{
+	return 'scan-'.date('Ymd').'-'.generateRandomString().'.'.$_GET['outputFileFormat'];
+}
+
+
+
+////
+//
+/// Logic
+//
+////
+
+if(checkInput() !== true)
+{
+	echo "400 - Bad request";
+	http_response_code(400);
+	exit;
+}
+//Generate file name for scanned image
+$filename = getNewFileName();
+
+$scanCommand = "sudo scanimage --device-name ".$_GET['deviceID']." --format ".$_GET['outputFileFormat']." --resolution ".$_GET['outputImageResolution']." --mode ".$_GET['outputImageColorDepth']." > ".$appConfig['imagesLocation'].$filename;
+
+
+////
+//
+/// Scanning start
+//
+////
+
+//Prepare directory for scanned image
+if(!is_dir($appConfig['imagesLocation'])) mkdir($appConfig['imagesLocation'], 777, true);
+
+//Scan image
+shell_exec($scanCommand);
+
+//Output scanned image name indicating that scanning finished
+echo $filename;
+
+?>