From 426938cc8acdfce0970acb63fc7b44e1931c4455 Mon Sep 17 00:00:00 2001
From: winlin <winlin@vip.126.com>
Date: Tue, 14 Jul 2020 19:51:06 +0800
Subject: [PATCH] JSON: Filter string filed with special char

---
 trunk/src/protocol/srs_protocol_json.cpp | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/trunk/src/protocol/srs_protocol_json.cpp b/trunk/src/protocol/srs_protocol_json.cpp
index c742bb158..0d0e1aea5 100644
--- a/trunk/src/protocol/srs_protocol_json.cpp
+++ b/trunk/src/protocol/srs_protocol_json.cpp
@@ -1572,11 +1572,25 @@ SrsJsonArray* SrsJsonAny::to_array()
     return p;
 }
 
+string escape(string v)
+{
+    stringstream ss;
+
+    for (int i = 0; i < v.length(); i++) {
+        if (v.at(i) == '"') {
+            ss << '\\';
+        }
+        ss << v.at(i);
+    }
+
+    return ss.str();
+}
+
 string SrsJsonAny::dumps()
 {
     switch (marker) {
         case SRS_JSON_String: {
-            return "\"" + to_str() + "\"";
+            return "\"" + escape(to_str()) + "\"";
         }
         case SRS_JSON_Boolean: {
             return to_boolean()? "true" : "false";