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authorBianca Schnalzer <bianca.schnalzer@egiz.gv.at>2017-08-23 11:48:53 +0200
committerBianca Schnalzer <bianca.schnalzer@egiz.gv.at>2017-08-23 11:48:53 +0200
commit3567221910f8ceb4f1a0522dfe467e6e9ed300b5 (patch)
treecf0d3b2c77d9ae60e72d3da1821030730c701c0c /pdf-over-gui/src/main/java/at
parentb3f650aeeaca82141b9fa5c8ed6b56614399c95c (diff)
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Improved Error Handling Download-URL
Diffstat (limited to 'pdf-over-gui/src/main/java/at')
-rw-r--r--pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/SimpleXMLTrustManager.java36
-rw-r--r--pdf-over-gui/src/main/java/at/asit/pdfover/gui/utils/CertificateDownloadSource.java50
-rw-r--r--pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StateMachineImpl.java21
3 files changed, 58 insertions, 49 deletions
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/SimpleXMLTrustManager.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/SimpleXMLTrustManager.java
index ee2448f5..adbd05ad 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/SimpleXMLTrustManager.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/bku/mobile/SimpleXMLTrustManager.java
@@ -95,22 +95,13 @@ public class SimpleXMLTrustManager implements X509TrustManager {
.newDocumentBuilder()
.parse(this.getClass().getResourceAsStream(Constants.RES_CERT_LIST));
-
- File added_cert = new File(Constants.RES_CERT_LIST_ADDED);
-
- Document doc_added = DocumentBuilderFactory.newInstance()
- .newDocumentBuilder()
- .parse(added_cert);
-
- Node certificates_added = doc_added.getFirstChild();
Node certificates = doc.getFirstChild();
- if (!certificates.getNodeName().equals("certificates") && !certificates_added.getNodeName().equals("certificates")) { //$NON-NLS-1$
+ if (!certificates.getNodeName().equals("certificates")) { //$NON-NLS-1$
throw new Exception(
"Used certificates xml is invalid! no certificates node"); //$NON-NLS-1$
}
- NodeList certificates_added_list = certificates_added.getChildNodes();
NodeList certificateList = certificates.getChildNodes();
for (int i = 0; i < certificateList.getLength(); i++) {
@@ -144,6 +135,29 @@ public class SimpleXMLTrustManager implements X509TrustManager {
}
}
+
+ File added_cert = new File(Constants.RES_CERT_LIST_ADDED);
+
+ if (added_cert.exists())
+ {
+ Document doc_added = DocumentBuilderFactory.newInstance()
+ .newDocumentBuilder()
+ .parse(added_cert);
+
+ Node certificates_added = doc_added.getFirstChild();
+
+ if (!certificates_added.getNodeName().equals("certificates")) { //$NON-NLS-1$
+ throw new Exception(
+ "Used certificates xml is invalid! no certificates node"); //$NON-NLS-1$
+ }
+
+
+ if (certificates_added.hasChildNodes())
+ {
+
+ NodeList certificates_added_list = certificates_added.getChildNodes();
+
+
for (int i = 0; i < certificates_added_list.getLength(); i++) {
try {
@@ -175,7 +189,7 @@ public class SimpleXMLTrustManager implements X509TrustManager {
log.error("Failed to load certificate [" + "]", ex); //$NON-NLS-1$ //$NON-NLS-2$
}
}
-
+ }}
tmf.init(myKeyStore);
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/utils/CertificateDownloadSource.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/utils/CertificateDownloadSource.java
index f05d0034..955097fc 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/utils/CertificateDownloadSource.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/utils/CertificateDownloadSource.java
@@ -56,25 +56,33 @@ public class CertificateDownloadSource {
public static void getAcceptedCertificates()
{
try {
-
+
URL url = new URL(Constants.CERTIFICATE_DOWNLOAD_XML_URL+Constants.CERTIFICATE_XML_FILE);
URLConnection connection = url.openConnection();
InputStream is = connection.getInputStream();
- log.info("===== Starting to download accepted certificate =====");
- BufferedInputStream bis = new BufferedInputStream(is);
- FileOutputStream fis2 = new FileOutputStream(new File(Constants.RES_CERT_LIST_ADDED));
- byte[] buffer = new byte[1024];
- int count = 0;
- while ((count = bis.read(buffer, 0, 1024)) != -1) {
- fis2.write(buffer, 0, count);
+
+ int b = is.read();
+ if (b==-1)
+ {
+ log.info("Cannot read file");
+ }
+ else
+ {
+ BufferedInputStream bis = new BufferedInputStream(is);
+ FileOutputStream fis2 = new FileOutputStream(new File(Constants.RES_CERT_LIST_ADDED));
+
+
+ byte[] buffer = new byte[1024];
+ int count = 0;
+ while ((count = bis.read(buffer, 0, 1024)) != -1) {
+ fis2.write(buffer, 0, count);
+ }
+ fis2.close();
+ bis.close();
+ downloadCertificatesFromServer();
}
- fis2.close();
- bis.close();
- downloadCertificatesFromServer();
-
} catch (IOException e) {
- File f = new File(Constants.RES_CERT_LIST_ADDED);
- e.printStackTrace();}
+ log.debug("File not found");}
}
@@ -89,9 +97,12 @@ public class CertificateDownloadSource {
FileReader fr = null;
try {
+
+
File added_cert = new File(Constants.RES_CERT_LIST_ADDED);
-
+ if (added_cert.exists())
+ {
Document doc_added = DocumentBuilderFactory.newInstance()
.newDocumentBuilder()
.parse(added_cert);
@@ -99,7 +110,9 @@ public class CertificateDownloadSource {
Node certificates_added = doc_added.getFirstChild();
NodeList certificates_added_list = certificates_added.getChildNodes();
-
+
+ if (doc_added.hasChildNodes())
+ {
//identify the certificate that has to be downloaded
for (int i = 0; i < certificates_added_list.getLength(); i++) {
try {
@@ -139,10 +152,7 @@ public class CertificateDownloadSource {
}
}
-
-
-
-
+ }}
} catch (IOException e) {
e.printStackTrace();
diff --git a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StateMachineImpl.java b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StateMachineImpl.java
index b2367a85..6ff121bb 100644
--- a/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StateMachineImpl.java
+++ b/pdf-over-gui/src/main/java/at/asit/pdfover/gui/workflow/StateMachineImpl.java
@@ -20,6 +20,7 @@ import java.io.FileNotFoundException;
import java.io.FileOutputStream;
//Imports
import java.lang.reflect.Constructor;
+import java.nio.file.Files;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
@@ -257,24 +258,8 @@ public class StateMachineImpl implements StateMachine, GUIProvider {
// Call update to start processing ...
update();
- try {
- File certificates = new File (Constants.RES_CERT_LIST_ADDED);
- if (!certificates.exists())
- {
-
- FileOutputStream fis = new FileOutputStream(new File(Constants.RES_CERT_LIST_ADDED));
- CertificateDownloadSource.getAcceptedCertificates();
-
-
- }
- else
- {
- CertificateDownloadSource.getAcceptedCertificates();
- }
- } catch (FileNotFoundException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
+ CertificateDownloadSource.getAcceptedCertificates();
+
// if a user interaction is required we have a shell ...