/*
-----BEGIN QCMOD-----
name: certstore
section: project
arg: certstore-path=[path],Path to the SSL/X509 Certificate store file (bundled QCA only)
-----END QCMOD-----
*/

class qc_certstore : public ConfObj
{
public:
	qc_certstore(Conf *c) : ConfObj(c) {}
	QString name() const { return "certstore"; }
	QString shortname() const { return "certstore"; }

	QString checkString() const {
		if (!QFile::exists("third-party/qca/qca") || !conf->getenv("QC_DISABLE_bundled_qca").isEmpty())
			return "";
		else
			return ConfObj::checkString();
	}

	bool exec()
	{
		if (!QFile::exists("third-party/qca/qca") || !conf->getenv("QC_DISABLE_bundled_qca").isEmpty() || !QFile::exists("third-party/qca/qca-ossl")) {
			return true;
		}
			
		bundled = false;

#if defined(Q_OS_WIN) || defined(Q_OS_MAC)
		// use built-in
		return true;
#else
		QStringList pathsToTry;

		path = conf->getenv("QC_CERTSTORE_PATH");
		if(!path.isEmpty())
		{
			if(QFile::exists(path))
			{
				QString certPathString = 
					"QCA_SYSTEMSTORE_PATH=\\\\\\\\\\\\\"" + path + "\\\\\\\\\\\\\"";
				conf->addDefine(certPathString);
				return true;
			}
			return false;
		}

		// This is from Debian
		pathsToTry.append( QString("/etc/ssl/certs/ca-certificates.crt") );

		// Fedora Core 2 uses these
		pathsToTry.append( QString("/usr/share/ssl/cert.pem") );
		pathsToTry.append( QString("/usr/share/ssl/certs/ca-bundle.crt") );

		// Fedora Core 5 changes to this
		pathsToTry.append( QString("/etc/pki/tls/cert.pem") );

		for(int n = 0; n < pathsToTry.count(); ++n)
		{
        		if(QFile::exists(pathsToTry[n]))
			{
				path = pathsToTry[n];
				break;
			}
		}

		// fall back to bundled
		if(path.isEmpty())
		{
			// --prefix=$pwd ?
			if(QFile::exists(conf->getenv("PREFIX") + "/certs/rootcerts.pem"))
				path = "$$PREFIX/certs/rootcerts.pem";
			else
				path = "$$DATADIR/yachat/certs/rootcerts.pem";

			QString extra =
			"qcasharedfiles.path = $$DATADIR/yachat\n"
			"qcasharedfiles.files = third-party/qca/qca/certs\n"
			"INSTALLS += qcasharedfiles\n";
			conf->addExtra(extra);
			bundled = true;
		}

		// Qt<4.2 workaround
		QString certPathString = 
			"QCA_SYSTEMSTORE_PATH=\\\\\\\\\\\\\"" + path + "\\\\\\\\\\\\\"";
		conf->addDefine(certPathString);

		return true;
#endif
	}

	QString resultString() const
	{
#if defined(Q_OS_WIN)
		return "using Windows built-in";
#elif defined(Q_OS_MAC)
		return "using Mac built-in";
#else
		if(success)
		{
			if(bundled)
				return "using bundled";
			else
				return path;
		}
		else
			return ConfObj::resultString();
#endif
	}

private:
	QString path;
	bool bundled;
};