use of org.opendatakit.briefcase.model.MetadataUpdateException in project briefcase by opendatakit.
the class XmlManipulationUtils method updateSubmissionMetadata.
public static final String updateSubmissionMetadata(File submissionFile, Document doc) throws MetadataUpdateException {
Element root = doc.getRootElement();
Element metadata = root.getElement(NAMESPACE_ODK, "submissionMetadata");
// and get the instanceID and submissionDate from the metadata.
// we need to put that back into the instance file if not already present
String instanceID = metadata.getAttributeValue("", INSTANCE_ID_ATTRIBUTE_NAME);
String submissionDate = metadata.getAttributeValue("", SUBMISSION_DATE_ATTRIBUTE_NAME);
// read the original document...
Document originalDoc = null;
try {
FileInputStream fs = new FileInputStream(submissionFile);
InputStreamReader fr = new InputStreamReader(fs, "UTF-8");
originalDoc = new Document();
KXmlParser parser = new KXmlParser();
parser.setInput(fr);
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
originalDoc.parse(parser);
fr.close();
fs.close();
} catch (IOException e) {
String msg = "Original submission file could not be opened";
log.error(msg, e);
throw new MetadataUpdateException(msg);
} catch (XmlPullParserException e) {
String msg = "Original submission file could not be parsed as XML file";
log.error(msg, e);
throw new MetadataUpdateException(msg);
}
// determine whether it has the attributes already added.
// if they are already there, they better match the values returned by
// Aggregate 1.0
boolean hasInstanceID = false;
boolean hasSubmissionDate = false;
root = originalDoc.getRootElement();
for (int i = 0; i < root.getAttributeCount(); ++i) {
String name = root.getAttributeName(i);
if (name.equals(INSTANCE_ID_ATTRIBUTE_NAME)) {
if (!root.getAttributeValue(i).equals(instanceID)) {
String msg = "Original submission file's instanceID does not match that on server!";
log.error(msg);
throw new MetadataUpdateException(msg);
} else {
hasInstanceID = true;
}
}
if (name.equals(SUBMISSION_DATE_ATTRIBUTE_NAME)) {
Date oldDate = WebUtils.parseDate(submissionDate);
String returnDate = root.getAttributeValue(i);
Date newDate = WebUtils.parseDate(returnDate);
// cross-platform datetime resolution is 1 second.
if (Math.abs(newDate.getTime() - oldDate.getTime()) > 1000L) {
String msg = "Original submission file's submissionDate does not match that on server!";
log.error(msg);
throw new MetadataUpdateException(msg);
} else {
hasSubmissionDate = true;
}
}
}
if (hasInstanceID && hasSubmissionDate) {
log.info("submission already has instanceID and submissionDate attributes: " + submissionFile.getAbsolutePath());
return instanceID;
}
if (!hasInstanceID) {
root.setAttribute("", INSTANCE_ID_ATTRIBUTE_NAME, instanceID);
}
if (!hasSubmissionDate) {
root.setAttribute("", SUBMISSION_DATE_ATTRIBUTE_NAME, submissionDate);
}
// and write out the changes...
// write the file out...
File revisedFile = new File(submissionFile.getParentFile(), "." + submissionFile.getName());
try {
FileOutputStream fos = new FileOutputStream(revisedFile, false);
KXmlSerializer serializer = new KXmlSerializer();
serializer.setOutput(fos, "UTF-8");
originalDoc.write(serializer);
serializer.flush();
fos.close();
// and swap files...
boolean restoreTemp = false;
File temp = new File(submissionFile.getParentFile(), ".back." + submissionFile.getName());
try {
if (temp.exists()) {
if (!temp.delete()) {
String msg = "Unable to remove temporary submission backup file";
log.error(msg);
throw new MetadataUpdateException(msg);
}
}
if (!submissionFile.renameTo(temp)) {
String msg = "Unable to rename submission to temporary submission backup file";
log.error(msg);
throw new MetadataUpdateException(msg);
}
// recovery is possible...
restoreTemp = true;
if (!revisedFile.renameTo(submissionFile)) {
String msg = "Original submission file could not be updated";
log.error(msg);
throw new MetadataUpdateException(msg);
}
// we're successful...
restoreTemp = false;
} finally {
if (restoreTemp) {
if (!temp.renameTo(submissionFile)) {
String msg = "Unable to restore submission from temporary submission backup file";
log.error(msg);
throw new MetadataUpdateException(msg);
}
}
}
} catch (FileNotFoundException e) {
String msg = "Temporary submission file could not be opened";
log.error(msg, e);
throw new MetadataUpdateException(msg);
} catch (IOException e) {
String msg = "Temporary submission file could not be written";
log.error(msg, e);
throw new MetadataUpdateException(msg);
}
return instanceID;
}
use of org.opendatakit.briefcase.model.MetadataUpdateException in project briefcase by opendatakit.
the class AggregateUtils method httpRetrieveXmlDocument.
/**
* Common method for returning a parsed xml document given a url and the http
* context and client objects involved in the web connection. The document is
* the body of the response entity and should be xml.
*
* @return
*/
private static final DocumentFetchResult httpRetrieveXmlDocument(HttpUriRequest request, int[] validStatusList, ServerConnectionInfo serverInfo, boolean alwaysResetCredentials, DocumentDescription description, ResponseAction action) throws XmlDocumentFetchException {
HttpClient httpClient = WebUtils.createHttpClient();
// get shared HttpContext so that authentication and cookies are retained.
HttpClientContext localContext = WebUtils.getHttpContext();
URI uri = request.getURI();
log.info("Attempting URI {}", uri);
WebUtils.setCredentials(localContext, serverInfo, uri, alwaysResetCredentials);
if (description.isCancelled()) {
throw new XmlDocumentFetchException("Transfer of " + description.getDocumentDescriptionType() + " aborted.");
}
HttpResponse response = null;
try {
response = httpClient.execute(request, localContext);
int statusCode = response.getStatusLine().getStatusCode();
HttpEntity entity = response.getEntity();
String lcContentType = (entity == null) ? null : entity.getContentType().getValue().toLowerCase();
XmlDocumentFetchException ex = null;
boolean statusCodeValid = false;
for (int i : validStatusList) {
if (i == statusCode) {
statusCodeValid = true;
break;
}
}
if (!statusCodeValid) {
String webError = response.getStatusLine().getReasonPhrase() + " (" + statusCode + ")";
if (statusCode == 401) {
// We reset the Http context to force next request to authenticate itself
WebUtils.resetHttpContext();
ex = new XmlDocumentFetchException("Authentication failure");
} else if (statusCode == 400) {
ex = new XmlDocumentFetchException(description.getFetchDocFailed() + webError + " while accessing: " + uri.toString() + "\nPlease verify that the " + description.getDocumentDescriptionType() + " that is being uploaded is well-formed.");
} else {
ex = new XmlDocumentFetchException(description.getFetchDocFailed() + webError + " while accessing: " + uri.toString() + "\nPlease verify that the URL, your user credentials and your permissions are all correct.");
}
} else if (entity == null) {
log.warn("No entity body returned");
ex = new XmlDocumentFetchException(description.getFetchDocFailed() + " Server unexpectedly returned no content");
} else if (!(lcContentType.contains(HTTP_CONTENT_TYPE_TEXT_XML) || lcContentType.contains(HTTP_CONTENT_TYPE_APPLICATION_XML))) {
log.warn("Wrong ContentType: " + entity.getContentType().getValue() + "returned");
ex = new XmlDocumentFetchException(description.getFetchDocFailed() + "A non-XML document was returned. A network login screen may be interfering with the transmission to the server.");
}
if (ex != null) {
flushEntityBytes(entity);
// and throw the exception...
throw ex;
}
// parse the xml document...
Document doc = null;
try {
InputStream is = null;
InputStreamReader isr = null;
try {
is = entity.getContent();
isr = new InputStreamReader(is, "UTF-8");
doc = new Document();
KXmlParser parser = new KXmlParser();
parser.setInput(isr);
parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
doc.parse(parser);
isr.close();
} finally {
if (isr != null) {
try {
isr.close();
} catch (Exception e) {
// no-op
}
}
if (is != null) {
try {
is.close();
} catch (Exception e) {
// no-op
}
}
}
} catch (Exception e) {
log.warn("Parsing failed with " + e.getMessage(), e);
throw new XmlDocumentFetchException(description.getFetchDocFailed());
}
// examine header fields...
// is it an OpenRosa server?
boolean isOR = false;
Header[] fields = response.getHeaders(WebUtils.OPEN_ROSA_VERSION_HEADER);
if (fields != null && fields.length >= 1) {
isOR = true;
boolean versionMatch = false;
boolean first = true;
StringBuilder b = new StringBuilder();
for (Header h : fields) {
if (WebUtils.OPEN_ROSA_VERSION.equals(h.getValue())) {
versionMatch = true;
break;
}
if (!first) {
b.append("; ");
}
first = false;
b.append(h.getValue());
}
if (!versionMatch) {
log.warn(WebUtils.OPEN_ROSA_VERSION_HEADER + " unrecognized version(s): " + b);
}
}
// what about location?
Header[] locations = response.getHeaders("Location");
if (locations != null && locations.length == 1) {
try {
URL url = new URL(locations[0].getValue());
URI uNew = url.toURI();
log.info("Redirection to URI {}", uNew);
if (uri.getHost().equalsIgnoreCase(uNew.getHost())) {
// trust the server to tell us a new location
// ... and possibly to use https instead.
String fullUrl = url.toExternalForm();
int idx = fullUrl.lastIndexOf("/");
serverInfo.setUrl(fullUrl.substring(0, idx));
} else {
// Don't follow a redirection attempt to a different host.
// We can't tell if this is a spoof or not.
String msg = description.getFetchDocFailed() + "Unexpected redirection attempt";
log.warn(msg);
throw new XmlDocumentFetchException(msg);
}
} catch (MalformedURLException | URISyntaxException e) {
String msg = description.getFetchDocFailed() + "Unexpected exception: " + e.getMessage();
log.warn(msg, e);
throw new XmlDocumentFetchException(msg);
}
}
DocumentFetchResult result = new DocumentFetchResult(doc, isOR);
if (action != null) {
action.doAction(result);
}
return result;
} catch (UnknownHostException e) {
String msg = description.getFetchDocFailed() + "Unknown host";
log.warn(msg, e);
throw new XmlDocumentFetchException(msg);
} catch (IOException | MetadataUpdateException e) {
String msg = description.getFetchDocFailed() + "Unexpected exception: " + e;
log.warn(msg, e);
throw new XmlDocumentFetchException(msg);
}
}
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