Triage Issue #49 Better inspection of data urls in media

2 files changed, 17 insertions, 0 deletions

diff --git a/indra/llcommon/llbase64.cpp b/indra/llcommon/llbase64.cpp
index bb85fe32a3..6591e9b49a 100644
--- a/indra/llcommon/llbase64.cpp
+++ b/indra/llcommon/llbase64.cpp
@@ -59,3 +59,19 @@ std::string LLBase64::encode(const U8* input, size_t input_size)
 	return output;
 }
 
+std::string LLBase64::decodeAsString(const std::string &input)
+{
+    int b64_buffer_length = apr_base64_decode_len(input.c_str());
+    char* b64_buffer = new char[b64_buffer_length];
+
+        // This is faster than apr_base64_encode() if you know
+        // you're not on an EBCDIC machine.  Also, the output is
+        // null terminated, even though the documentation doesn't
+        // specify.  See apr_base64.c for details. JC
+    b64_buffer_length = apr_base64_decode(b64_buffer, input.c_str());
+    std::string res;
+    res.assign(b64_buffer);
+    delete[] b64_buffer;
+    return res;
+}
+
diff --git a/indra/llcommon/llbase64.h b/indra/llcommon/llbase64.h
index 16d2c217d0..b985963fc4 100644
--- a/indra/llcommon/llbase64.h
+++ b/indra/llcommon/llbase64.h
@@ -32,6 +32,7 @@ class LL_COMMON_API LLBase64
 {
 public:
 	static std::string encode(const U8* input, size_t input_size);
+    static std::string decodeAsString(const std::string& input);
 };
 
 #endif