From 960e402f9234e807fff0202492476369ea82ae4c Mon Sep 17 00:00:00 2001
From: Alexander Gluzsky <sss123next@list.ru>
Date: Thu, 24 Jan 2013 23:12:26 +0000
Subject: implemented basic encrypted filetransfer capability checking
 (untested)

git-svn-id: http://svn.miranda-ng.org/main/trunk@3271 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
---
 plugins/New_GPG/src/main.cpp      | 20 ++++++++++++++
 plugins/New_GPG/src/utilities.cpp | 55 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 75 insertions(+)

(limited to 'plugins/New_GPG')

diff --git a/plugins/New_GPG/src/main.cpp b/plugins/New_GPG/src/main.cpp
index 6dd3a33e50..2c6640a43d 100755
--- a/plugins/New_GPG/src/main.cpp
+++ b/plugins/New_GPG/src/main.cpp
@@ -2295,6 +2295,26 @@ void InitCheck()
 		strcpy(cap.name, "GPG Key AutoExchange");
 		strcpy(cap.caps, "GPG AutoExchange");
 
+		for(int i = 0; i < count; i++)
+		{
+			char svc[64];
+			strcpy(svc, accounts[i]->szProtoName);
+			strcat(svc, PS_ICQ_ADDCAPABILITY);
+			if(ServiceExists(svc))
+				CallService(svc, 0, (LPARAM)&cap);
+		}
+	}
+	if(bFileTransfers)
+	{
+		int count = 0;
+		PROTOACCOUNT **accounts;
+		ProtoEnumAccounts(&count, &accounts);
+		ICQ_CUSTOMCAP cap;
+		cap.cbSize = sizeof(ICQ_CUSTOMCAP);
+		cap.hIcon = 0;
+		strcpy(cap.name, "GPG Encrypted FileTransfers");
+		strcpy(cap.caps, "GPG FileTransfer");
+
 		for(int i = 0; i < count; i++)
 		{
 			char svc[64];
diff --git a/plugins/New_GPG/src/utilities.cpp b/plugins/New_GPG/src/utilities.cpp
index 0b945c6058..8f42f0918f 100755
--- a/plugins/New_GPG/src/utilities.cpp
+++ b/plugins/New_GPG/src/utilities.cpp
@@ -578,6 +578,61 @@ 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;
-- 
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