From 4e3af265dad57a27af4051cb574fb90539d287d0 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Sun, 16 Aug 2015 02:17:50 +0200
Subject: GH-1164 make sure the censor filter never contains empty keys

---
 logic/minecraft/LegacyInstance.cpp    | 16 +---------------
 logic/minecraft/MinecraftInstance.cpp | 33 +++++++++++++++++++++++++++++++++
 logic/minecraft/MinecraftInstance.h   |  3 +++
 logic/minecraft/OneSixInstance.cpp    | 16 +---------------
 4 files changed, 38 insertions(+), 30 deletions(-)

(limited to 'logic')

diff --git a/logic/minecraft/LegacyInstance.cpp b/logic/minecraft/LegacyInstance.cpp
index ed0b1001..782135eb 100644
--- a/logic/minecraft/LegacyInstance.cpp
+++ b/logic/minecraft/LegacyInstance.cpp
@@ -170,21 +170,7 @@ std::shared_ptr<LaunchTask> LegacyInstance::createLaunchTask(AuthSessionPtr sess
 	}
 	if (session)
 	{
-		QMap<QString, QString> filter;
-		if (session->session != "-")
-			filter[session->session] = tr("<SESSION ID>");
-		filter[session->access_token] = tr("<ACCESS TOKEN>");
-		filter[session->client_token] = tr("<CLIENT TOKEN>");
-		filter[session->uuid] = tr("<PROFILE ID>");
-		filter[session->player_name] = tr("<PROFILE NAME>");
-
-		auto i = session->u.properties.begin();
-		while (i != session->u.properties.end())
-		{
-			filter[i.value()] = "<" + i.key().toUpper() + ">";
-			++i;
-		}
-		process->setCensorFilter(filter);
+		process->setCensorFilter(createCensorFilterFromSession(session));
 	}
 	return process;
 }
diff --git a/logic/minecraft/MinecraftInstance.cpp b/logic/minecraft/MinecraftInstance.cpp
index 13e696b9..d576ef4f 100644
--- a/logic/minecraft/MinecraftInstance.cpp
+++ b/logic/minecraft/MinecraftInstance.cpp
@@ -204,6 +204,39 @@ QProcessEnvironment MinecraftInstance::createEnvironment()
 	return env;
 }
 
+QMap<QString, QString> MinecraftInstance::createCensorFilterFromSession(AuthSessionPtr session)
+{
+	if(!session)
+	{
+		return QMap<QString, QString>();
+	}
+	auto & sessionRef = *session.get();
+	QMap<QString, QString> filter;
+	auto addToFilter = [&filter](QString key, QString value)
+	{
+		if(key.trimmed().size())
+		{
+			filter[key] = value;
+		}
+	};
+	if (sessionRef.session != "-")
+	{
+		addToFilter(sessionRef.session, tr("<SESSION ID>"));
+	}
+	addToFilter(sessionRef.access_token, tr("<ACCESS TOKEN>"));
+	addToFilter(sessionRef.client_token, tr("<CLIENT TOKEN>"));
+	addToFilter(sessionRef.uuid, tr("<PROFILE ID>"));
+	addToFilter(sessionRef.player_name, tr("<PROFILE NAME>"));
+
+	auto i = sessionRef.u.properties.begin();
+	while (i != sessionRef.u.properties.end())
+	{
+		addToFilter(i.value(), "<" + i.key().toUpper() + ">");
+		++i;
+	}
+	return filter;
+}
+
 MessageLevel::Enum MinecraftInstance::guessLevel(const QString &line, MessageLevel::Enum level)
 {
 	QRegularExpression re("\\[(?<timestamp>[0-9:]+)\\] \\[[^/]+/(?<level>[^\\]]+)\\]");
diff --git a/logic/minecraft/MinecraftInstance.h b/logic/minecraft/MinecraftInstance.h
index 7ed659a7..14a0f097 100644
--- a/logic/minecraft/MinecraftInstance.h
+++ b/logic/minecraft/MinecraftInstance.h
@@ -43,6 +43,9 @@ public:
 
 	/// guess log level from a line of minecraft log
 	virtual MessageLevel::Enum guessLevel(const QString &line, MessageLevel::Enum level);
+
+protected:
+	QMap<QString, QString> createCensorFilterFromSession(AuthSessionPtr session);
 };
 
 typedef std::shared_ptr<MinecraftInstance> MinecraftInstancePtr;
diff --git a/logic/minecraft/OneSixInstance.cpp b/logic/minecraft/OneSixInstance.cpp
index 3b2ff750..9a7ef99b 100644
--- a/logic/minecraft/OneSixInstance.cpp
+++ b/logic/minecraft/OneSixInstance.cpp
@@ -277,21 +277,7 @@ std::shared_ptr<LaunchTask> OneSixInstance::createLaunchTask(AuthSessionPtr sess
 	}
 	if (session)
 	{
-		QMap<QString, QString> filter;
-		if (session->session != "-")
-			filter[session->session] = tr("<SESSION ID>");
-		filter[session->access_token] = tr("<ACCESS TOKEN>");
-		filter[session->client_token] = tr("<CLIENT TOKEN>");
-		filter[session->uuid] = tr("<PROFILE ID>");
-		filter[session->player_name] = tr("<PROFILE NAME>");
-
-		auto i = session->u.properties.begin();
-		while (i != session->u.properties.end())
-		{
-			filter[i.value()] = "<" + i.key().toUpper() + ">";
-			++i;
-		}
-		process->setCensorFilter(filter);
+		process->setCensorFilter(createCensorFilterFromSession(session));
 	}
 	return process;
 }
-- 
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