aboutsummaryrefslogtreecommitdiffstats
path: root/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java108
1 files changed, 98 insertions, 10 deletions
diff --git a/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
index acd73575..e0d627b9 100644
--- a/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
+++ b/src/main/java/de/thedevstack/conversationsplus/utils/MessageUtil.java
@@ -27,6 +27,14 @@ public final class MessageUtil {
if (null == message) {
return;
}
+
+ // Ensure that for every message the fileParams are set after calling this method
+ FileParams fileParams = message.getFileParams();
+ if (null == fileParams) {
+ fileParams = new FileParams();
+ message.setFileParams(fileParams);
+ }
+
String body = message.getBody();
/**
* there are a few cases where spaces result in an unwanted behavior, e.g.
@@ -37,24 +45,27 @@ public final class MessageUtil {
return;
}
- FileParams fileParams = message.getFileParams();
- if (null == fileParams) {
- fileParams = new FileParams();
- message.setFileParams(fileParams);
- }
-
try {
URL url = new URL(body);
if (!url.getProtocol().equalsIgnoreCase("http") && !url.getProtocol().equalsIgnoreCase("https")) {
message.setTreatAsDownloadable(Message.Decision.NEVER);
return;
}
+ String extension = FileUtils.getRelevantExtension(url);
if (message.isHttpUploaded()) {
fileParams.setUrl(url.toString());
- message.setTreatAsDownloadable(Message.Decision.MUST);
+ if (null != extension
+ && (Transferable.WELL_KNOWN_EXTENSIONS.contains(extension.toLowerCase()) || Transferable.VALID_IMAGE_EXTENSIONS.contains(extension.toLowerCase()))) {
+ message.setTreatAsDownloadable(Message.Decision.MUST);
+ } else {
+ message.setTreatAsDownloadable(Message.Decision.NEVER);
+ fileParams.setFileStatus(FileStatus.UNDEFINED);
+ }
+
+ extractFilename(message, url.toString());
return;
}
- String extension = FileUtils.getRelevantExtension(url);
+
if (extension == null) {
message.setTreatAsDownloadable(Message.Decision.NEVER);
return;
@@ -65,23 +76,100 @@ public final class MessageUtil {
if (MimeUtils.guessMimeTypeFromExtension(extension) != null) {
message.setTreatAsDownloadable(Message.Decision.MUST);
fileParams.setKeyAndIv(ivAndKey);
- fileParams.setUrl(url.toString());
} else {
message.setTreatAsDownloadable(Message.Decision.NEVER);
}
} else if (Transferable.VALID_IMAGE_EXTENSIONS.contains(extension)
|| Transferable.WELL_KNOWN_EXTENSIONS.contains(extension)) {
message.setTreatAsDownloadable(Message.Decision.SHOULD);
- fileParams.setUrl(url.toString());
} else {
message.setTreatAsDownloadable(Message.Decision.NEVER);
}
+ if (message.treatAsDownloadable() == Message.Decision.MUST
+ || message.treatAsDownloadable() == Message.Decision.SHOULD) {
+ fileParams.setUrl(url.toString());
+ extractFilename(message, url.toString());
+ }
} catch (MalformedURLException e) {
message.setTreatAsDownloadable(Message.Decision.NEVER);
}
}
+ private static void extractFilename(Message message, String url) {
+ String originalFilename = FileUtils.getFilenameFromPath(url);
+ final String lowerCaseFilename = originalFilename.toLowerCase();
+ final String lastPart = FileUtils.getLastExtension(lowerCaseFilename);
+
+ detectAndSetEncryption(lastPart, message);
+
+ String filenameExtension;
+ if (!lastPart.isEmpty() && Transferable.VALID_CRYPTO_EXTENSIONS.contains(lastPart)) {
+ filenameExtension = FileUtils.getSecondToLastExtension(lowerCaseFilename);
+ originalFilename = originalFilename.replace("." + lastPart, "");
+ } else {
+ filenameExtension = lastPart;
+ }
+ message.setRelativeFilePath(message.getUuid() + "." + filenameExtension);
+
+ message.getFileParams().setOriginalFilename(originalFilename);
+ }
+
+ private static void detectAndSetEncryption(String lastPart, Message message) {
+ if (!lastPart.isEmpty() && ("pgp".equals(lastPart) || "gpg".equals(lastPart))) {
+ message.setEncryption(Message.ENCRYPTION_PGP);
+ } else if (message.getEncryption() != Message.ENCRYPTION_OTR
+ && message.getEncryption() != Message.ENCRYPTION_AXOLOTL) {
+ message.setEncryption(Message.ENCRYPTION_NONE);
+ } else if ((message.getEncryption() == Message.ENCRYPTION_OTR
+ || message.getEncryption() == Message.ENCRYPTION_AXOLOTL)
+ && message.getFileParams() != null && message.getFileParams().getKey() == null) {
+ // If an encryption is set for the message, but no key given -> decryption not possible
+ message.setEncryption(Message.ENCRYPTION_NONE);
+ }
+ }
+
+ /**
+ * Checks if an attached file is an image or not.
+ * Prerequisite for calling this method: The check if a file is attached is done before.
+ * @param message
+ * @return
+ */
+ public static boolean isAttachedFileAnImage(Message message) {
+ final FileParams fileParams = message.getFileParams();
+ String mimeType = (null != fileParams) ? fileParams.getMimeType() : null;
+ return message.getType() == Message.TYPE_IMAGE
+ || (fileParams != null && fileParams.getWidth() > 0)
+ || (null != mimeType && mimeType.startsWith("image/"));
+ }
+
+ public static boolean isTypeFileAndDecrypted(Message message) {
+ return message.getType() == Message.TYPE_FILE
+ && message.getEncryption() != Message.ENCRYPTION_PGP
+ && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED;
+ }
+
+ public static boolean isDecrypted(Message message) {
+ return message.getEncryption() != Message.ENCRYPTION_PGP && message.getEncryption() != Message.ENCRYPTION_DECRYPTION_FAILED;
+ }
+
+ /**
+ * Checks if the file status of an message is <b>NOT</b> one of:
+ * <ul>
+ * <li>FileStatus#NOT_FOUND</li>
+ * <li>FileStatus#DELETED</li>
+ * </ul>
+ * The file status does not guarantee that a file is really available or not.
+ * @param message
+ * @return
+ */
+ public static boolean mayFileRemoteAvailable(Message message) {
+ FileStatus fileStatus = (null != message.getFileParams()) ? message.getFileParams().getFileStatus() : null;
+ return null != fileStatus
+ && FileStatus.NOT_FOUND != fileStatus
+ && FileStatus.DELETED != fileStatus;
+ }
+
public static boolean needsDownload(Message message) {
FileStatus fileStatus = (null != message.getFileParams()) ? message.getFileParams().getFileStatus() : null;
return (null == fileStatus