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@ -27,6 +27,7 @@ import io.entgra.device.mgt.core.application.mgt.common.exception.FileTransferSe
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import io.entgra.device.mgt.core.application.mgt.common.services.FileDownloaderService;
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import io.entgra.device.mgt.core.application.mgt.common.services.FileTransferService;
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import io.entgra.device.mgt.core.application.mgt.core.internal.DataHolder;
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import io.entgra.device.mgt.core.application.mgt.core.util.Constants;
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import okhttp3.OkHttpClient;
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import okhttp3.Request;
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import okhttp3.Response;
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@ -112,10 +113,17 @@ public class FileDownloaderServiceProvider {
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}
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String contentDisposition = response.header("Content-Disposition");
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String contentType = response.header("Content-Type");
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String[] fileNameSegments = getFileNameSegments(contentDisposition, contentType);
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String[] fileNameSegments = extractFileNameSegmentsFromUrl(downloadUrl);
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// if the url parsing failed to resolve the file name segments
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// falling to remote file name segment resolving
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if (fileNameSegments == null) {
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fileNameSegments = getFileNameSegments(contentDisposition, contentType);
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}
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FileMetaEntry fileMetaEntry = new FileMetaEntry();
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fileMetaEntry.setSize(Long.parseLong(Objects.requireNonNull(response.header("Content-Length"))));
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fileMetaEntry.setFileName(fileNameSegments[0] + "-" + UUID.randomUUID());
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fileMetaEntry.setFileName(fileNameSegments[0]);
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fileMetaEntry.setExtension(fileNameSegments[1]);
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return fileMetaEntry;
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} catch (IOException e) {
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@ -123,6 +131,38 @@ public class FileDownloaderServiceProvider {
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}
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}
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/**
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* Extracting file name segments by parsing the URL
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* @param url Remote URL to extract file name segments
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* @return Array containing file name segments or null when failed to extract
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*/
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public static String[] extractFileNameSegmentsFromUrl(URL url) {
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if (url == null) {
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if (log.isDebugEnabled()) {
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log.debug("Null received as the remote URL");
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}
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return null;
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}
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String []urlSegments = url.toString().split("/");
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if (urlSegments.length < 1) {
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if (log.isDebugEnabled()) {
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log.debug("Cannot determine the file name for the remote file");
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}
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return null;
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}
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String fullQualifiedName = urlSegments[urlSegments.length - 1];
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String []fileNameSegments = fullQualifiedName.split("\\.(?=[^.]+$)");
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if (fileNameSegments.length != 2) {
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if (log.isDebugEnabled()) {
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log.debug("Error encountered when constructing file name");
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}
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return null;
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}
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return fileNameSegments;
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}
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/**
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* Extract file name segments(filename & extensions) from content disposition header and content type header
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* @param contentDisposition Content disposition header value
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@ -136,11 +176,24 @@ public class FileDownloaderServiceProvider {
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}
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if (contentDisposition == null) {
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String []contentTypeSegments = contentType.split("/");
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if (contentTypeSegments.length != 2) {
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throw new FileDownloaderServiceException("Encountered wrong content type header value");
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String extension;
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if (contentType.equals(Constants.MIME_TYPE_VND_ANDROID_PACKAGE_ARCHIVE)) {
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extension = Constants.EXTENSION_APK;
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} else if (contentType.equals(Constants.MIME_TYPE_OCTET_STREAM)) {
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extension = Constants.EXTENSION_IPA;
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} else if (contentType.equals(Constants.MIME_TYPE_VND_APPX)) {
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extension = Constants.EXTENSION_APPX;
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} else if (contentType.equals(Constants.MIME_TYPE_X_MS_INSTALLER)
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|| contentType.equals(Constants.MIME_TYPE_VND_MS_WINDOWS_MSI)) {
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extension = Constants.EXTENSION_MSI;
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} else {
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String []contentTypeSegments = contentType.split("/");
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if (contentTypeSegments.length != 2) {
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throw new FileDownloaderServiceException("Encountered wrong content type header value");
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}
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extension = contentTypeSegments[contentTypeSegments.length - 1];
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}
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return new String[]{ UUID.randomUUID().toString(), contentTypeSegments[contentTypeSegments.length - 1]};
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return new String[]{ UUID.randomUUID().toString(), extension};
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}
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String []contentDispositionSegments = contentDisposition.split("=");
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