providing passphrase_cache

callback_dispatcher.cc

@@ -1,4 +1,5 @@
 #include "callback_dispatcher.hh"
+#include "passphrase_cache.hh"
 #include <stdexcept>
 #include <cassert>
 
@@ -87,6 +88,9 @@ namespace pEp {
 
     PEP_STATUS CallbackDispatcher::_messageToSend(::message *msg)
     {
+        if (Adapter::on_sync_thread() && !msg)
+            return PassphraseCache::messageToSend(passphrase_cache, Adapter::session());
+
         for (auto target : targets) {
             ::message *_msg = nullptr;
             if (msg) {

callback_dispatcher.hh

@@ -36,7 +36,6 @@ namespace pEp {
         static PEP_STATUS messageToSend(::message *msg);
         static PEP_STATUS notifyHandshake(::pEp_identity *me,
                 ::pEp_identity *partner, ::sync_handshake_signal signal);
-
     protected:
         void on_startup();
         void on_shutdown();

passphrase_cache.cc

@@ -1,6 +1,8 @@
 #include <cassert>
 #include "passphrase_cache.hh"
 
+pEp::PassphraseCache pEp::passphrase_cache;
+
 namespace pEp {
     PassphraseCache::cache_entry::cache_entry(const std::string& p, time_point t) :
             passphrase{p, 0, PassphraseCache::cache_entry::max_len}, tp{t}

passphrase_cache.hh

@@ -87,6 +87,8 @@ namespace pEp {
         void cleanup();
         void refresh(cache::iterator entry);
     };
+
+    extern PassphraseCache passphrase_cache;
 };
 
 #include "passphrase_cache.hxx"