From 3e96eedd7b1daca1d4ee02f21d9221cbbc288478 Mon Sep 17 00:00:00 2001
From: Andreas Fitzek <andreas.fitzek@iaik.tugraz.at>
Date: Wed, 15 Oct 2014 10:38:13 +0200
Subject: Security providers are optional registered in PDF-AS #44

---
 .../pdfas/lib/api/IConfigurationConstants.java     |  2 +
 .../at/gv/egiz/pdfas/lib/api/PdfAsFactory.java     | 55 +++++++++++++++-------
 2 files changed, 40 insertions(+), 17 deletions(-)

diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/IConfigurationConstants.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/IConfigurationConstants.java
index fa8857a9..a3988add 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/IConfigurationConstants.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/IConfigurationConstants.java
@@ -85,6 +85,8 @@ public interface IConfigurationConstants {
 	public static final String MOC_SIGN_URL = "moc.sign.url";
 	public static final String MOBILE_SIGN_URL = "mobile.sign.url";
 	
+	public static final String REGISTER_PROVIDER = "registerSecurityProvider";
+	
 	public static final String SL_REQUEST_TYPE = "sl.request.type";
 	public static final String SL_REQUEST_TYPE_BASE64 = "b64";
 	public static final String SL_REQUEST_TYPE_UPLOAD = "upload";
diff --git a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java
index f5f14626..b0b34f5e 100644
--- a/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java
+++ b/pdf-as-lib/src/main/java/at/gv/egiz/pdfas/lib/api/PdfAsFactory.java
@@ -46,7 +46,7 @@ import at.gv.egiz.pdfas.lib.impl.PdfAsImpl;
 import at.gv.egiz.pdfas.lib.impl.SignParameterImpl;
 import at.gv.egiz.pdfas.lib.impl.VerifyParameterImpl;
 
-public class PdfAsFactory {
+public class PdfAsFactory implements IConfigurationConstants {
 
 	private static final Logger logger = LoggerFactory
 			.getLogger(PdfAsFactory.class);
@@ -86,6 +86,36 @@ public class PdfAsFactory {
 	private static boolean initialized = false;
 	private static Object init_mutex = new Object();
 
+	private static void registerSecurityProvider(ISettings configuration) {
+		boolean doRegister = true;
+
+		String register = configuration.getValue(REGISTER_PROVIDER);
+		if (register != null) {
+			if (register.equals("false")) {
+				doRegister = false;
+			}
+		}
+
+		if (doRegister) {
+			logger.info("Registering Security Providers!");
+
+			registerProvider(new IAIK(), 1);
+			// TODO: register ECCelerate in second position when TLS issue is
+			// fixed
+			registerProvider(new ECCelerate(), -1);
+
+			teeInformation("+ IAIK-JCE Version: " + IAIK.getVersionInfo());
+			teeInformation("+ ECCelerate Version: " + ECCelerate.getInstance().getVersion());
+		} else {
+			logger.info("Skipping Security Provider registration!");
+		}
+	}
+
+	private static void teeInformation(String str) {
+		System.out.println(str);
+		logger.info(str);
+	}
+
 	/**
 	 * Configure log.
 	 *
@@ -97,22 +127,13 @@ public class PdfAsFactory {
 			synchronized (init_mutex) {
 				if (!initialized) {
 					initialized = true;
-					
-					registerProvider(new IAIK(), 1);
-					registerProvider(new ECCelerate(), -1);
-
-					System.out
-							.println("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
-					System.out.println("+ PDF-AS: " + getVersion());
-					System.out.println("+ PDF-AS SCM Revision: "
-							+ getSCMRevision());
-					System.out.println("+ IAIK-JCE Version: "
-							+ IAIK.getVersionInfo());
-					System.out.println("+ ECCelerate Version: "
-							+ ECCelerate.getInstance().getVersion());
-					System.out
-							.println("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
-					
+
+					teeInformation("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
+					teeInformation("+ PDF-AS: " + getVersion());
+					teeInformation("+ PDF-AS SCM Revision: " + getSCMRevision());
+					registerSecurityProvider(configuration);
+					teeInformation("+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++");
+
 					listRegisteredSecurityProviders();
 				}
 			}
-- 
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