Hard limit uncompressed output

3 years ago · 74e54f8d20
parent 70c251b9ea
commit 74e54f8d20
1 changed files with 4 additions and 0 deletions
--- a/app/src/main/java/eu/faircode/email/MessageHelper.java
+++ b/app/src/main/java/eu/faircode/email/MessageHelper.java
@ -3421,6 +3421,8 @@ public class MessageHelper {
                                        byte[] buffer = new byte[Helper.BUFFER_SIZE];
                                        for (int len = gzip.read(buffer); len != -1; len = gzip.read(buffer)) {
                                            size += len;
+                                            if (size > MAX_UNZIP_SIZE)
+                                                throw new IOException("File too large");
                                            os.write(buffer, 0, len);

                                            if (total > 0) {
@ -3503,6 +3505,8 @@ public class MessageHelper {
                                            byte[] buffer = new byte[Helper.BUFFER_SIZE];
                                            for (int len = ais.read(buffer); len != -1; len = ais.read(buffer)) {
                                                size += len;
+                                                if (size > MAX_UNZIP_SIZE)
+                                                    throw new IOException("File too large");
                                                os.write(buffer, 0, len);

                                                if (total > 0) {