From 099daf99fd2dfc92bb10972192026445fc2b8b45 Mon Sep 17 00:00:00 2001
From: Gluzskiy Alexandr <sss@sss.chaoslab.ru>
Date: Fri, 25 Jan 2013 01:19:55 +0200
Subject: merged with miranda_ng main repo implemented #64

---
 src/utilities.cpp | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)

(limited to 'src/utilities.cpp')

diff --git a/src/utilities.cpp b/src/utilities.cpp
index e4c9aab..2f02e5b 100755
--- a/src/utilities.cpp
+++ b/src/utilities.cpp
@@ -627,6 +627,61 @@ int onSendFile(WPARAM w, LPARAM l)
 	CCSDATA *ccs=(CCSDATA*)l;
 	if(isContactSecured(ccs->hContact))
 	{
+		char *proto = GetContactProto(ccs->hContact);
+		DWORD uin = DBGetContactSettingDword(ccs->hContact, proto, "UIN", 0);
+		bool cap_found = false, supported_proto = false;
+		if(uin)
+		{
+			char svc[64];
+			strcpy(svc, proto);
+			strcat(svc, PS_ICQ_CHECKCAPABILITY);
+			if(ServiceExists(svc))
+			{
+				supported_proto = true;
+				ICQ_CUSTOMCAP cap = {0};
+				strcpy(cap.caps, "GPG FileTransfer");
+				if(CallService(svc, (WPARAM)ccs->hContact, (LPARAM)&cap))
+					cap_found = true;
+			}
+		}
+		else
+		{
+			TCHAR *jid = UniGetContactSettingUtf(ccs->hContact, proto, "jid", _T(""));
+			if(jid[0])
+			{
+				extern list <JabberAccount*> Accounts;
+				list<JabberAccount*>::iterator end = Accounts.end();
+				for(list<JabberAccount*>::iterator p = Accounts.begin(); p != end; p++)
+				{
+					TCHAR *caps = (*p)->getJabberInterface()->Net()->GetResourceFeatures(jid);
+					if(caps)
+					{
+						supported_proto = true;
+						wstring str;
+						for(int i=0;;i++)
+						{
+							str.push_back(caps[i]);
+							if(caps[i] == '\0')
+								if(caps[i+1] == '\0')
+									break;
+						}
+						mir_free(caps);
+						if(str.find(_T("GPG_Encrypted_FileTransfers:0")) != string::npos)
+							cap_found = true;
+					}
+				}
+			}
+		}
+		if(supported_proto && !cap_found)
+		{
+			if(MessageBox(0, TranslateT("Capability to decrypt file not found on other side\nRecipient may be unable to decrypt file(s)\nDo you want to encrypt file(s) anyway?"), TranslateT("Filetransfer warning"), MB_YESNO) == IDNO)
+				return CallService(MS_PROTO_CHAINSEND, w, l);
+		}
+		if(!supported_proto)
+		{
+			if(MessageBox(0, TranslateT("Unable to check encryption support on other side\nRecipient may be unable to decrypt file(s)\nCurrently capability check supported only for ICQ and Jabber protocols.\nIt will work for any other proto if Miranda with new_gpg used on other side.\nDo you want to encrypt file(s) anyway?"), TranslateT("Filetransfer warning"), MB_YESNO) == IDNO)
+				return CallService(MS_PROTO_CHAINSEND, w, l);
+		}
 		HistoryLog(ccs->hContact, db_event(Translate("encrypting file for transfer"), 0, 0, DBEF_SENT));
 		DWORD flags = (DWORD)ccs->wParam; //check for PFTS_UNICODE here
 		int i;
@@ -1140,6 +1195,11 @@ void AddHandlers()
 			(*p)->getJabberInterface()->Net()->RegisterFeature(_T("GPG_Key_Auto_Exchange:0"), _T("Indicates that gpg installed and configured to public key auto exchange (currently implemented in new_gpg plugin for Miranda IM and Miranda NG)"));
 			(*p)->getJabberInterface()->Net()->AddFeatures(_T("GPG_Key_Auto_Exchange:0\0\0"));
 		}
+		if(bFileTransfers)
+		{
+			(*p)->getJabberInterface()->Net()->RegisterFeature(_T("GPG_Encrypted_FileTransfers:0"), _T("Indicates that gpg installed and configured to encrypt files (currently implemented in new_gpg plugin for Miranda IM and Miranda NG)"));
+			(*p)->getJabberInterface()->Net()->AddFeatures(_T("GPG_Encrypted_FileTransfers:0\0\0"));
+		}
 	}
 }
 
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