diff --git a/plugins/FeedReader/services/rsFeedReaderItems.cc b/plugins/FeedReader/services/rsFeedReaderItems.cc
index 0d5b1f60b..8ac71b416 100644
--- a/plugins/FeedReader/services/rsFeedReaderItems.cc
+++ b/plugins/FeedReader/services/rsFeedReaderItems.cc
@@ -301,6 +301,49 @@ uint32_t RsFeedReaderSerialiser::sizeMsg(RsFeedReaderMsg *item)
s += GetTlvStringSize(item->attachment);
s += GetTlvStringSize(item->attachmentMimeType);
+ uint32_t sizeLimit = RsSerialiser::MAX_SERIAL_SIZE - 2000;
+ if (s > sizeLimit) {
+ uint32_t baseSize = s - GetTlvStringSize(item->description) - GetTlvStringSize(item->descriptionTransformed);
+ if (baseSize < sizeLimit) {
+ uint32_t allowedTextSize = sizeLimit - baseSize;
+ std::string warning = "
[Warning: This message has been truncated by RetroShare because its size exceeded the 256 KB safety limit.]
";
+ uint32_t neededSpace = warning.size() + 100;
+ if (item->descriptionTransformed.empty()) {
+ if (item->description.size() > allowedTextSize) {
+ if (allowedTextSize > neededSpace) {
+ item->description = warning + item->description.substr(0, allowedTextSize - neededSpace) + "... [TRUNCATED]";
+ } else {
+ item->description = item->description.substr(0, allowedTextSize - 100) + "... [TRUNCATED]";
+ }
+ }
+ } else {
+ item->description.clear();
+ if (item->descriptionTransformed.size() > allowedTextSize) {
+ if (allowedTextSize > neededSpace) {
+ item->descriptionTransformed = warning + item->descriptionTransformed.substr(0, allowedTextSize - neededSpace) + "... [TRUNCATED]";
+ } else {
+ item->descriptionTransformed = item->descriptionTransformed.substr(0, allowedTextSize - 100) + "... [TRUNCATED]";
+ }
+ }
+ }
+ /* Re-calculate the size after modification */
+ s = 8;
+ s += 2;
+ s += GetTlvStringSize(item->msgId);
+ s += sizeof(uint32_t);
+ s += GetTlvStringSize(item->title);
+ s += GetTlvStringSize(item->link);
+ s += GetTlvStringSize(item->author);
+ s += GetTlvStringSize(item->description);
+ s += GetTlvStringSize(item->descriptionTransformed);
+ s += sizeof(uint32_t);
+ s += sizeof(uint32_t);
+ s += GetTlvStringSize(item->attachmentLink);
+ s += GetTlvStringSize(item->attachment);
+ s += GetTlvStringSize(item->attachmentMimeType);
+ }
+ }
+
return s;
}
@@ -362,7 +405,9 @@ RsFeedReaderMsg *RsFeedReaderSerialiser::deserialiseMsg(void *data, uint32_t *pk
}
if (*pktsize < rssize) /* check size */
+ {
return NULL; /* not enough data */
+ }
/* set the packet length */
*pktsize = rssize;