I'M CAN & HAVE A FLIGHT SOFIA-SHANGHAI, CAN I GET CHINESE VISA IN EUROPE?

You can apply for a China visa in Bulgaria if you have the resident permits in Bulgaria, as well as in other EU countries.

I DON'T HAVE TIME TO GET A RESIDENT PERMIT IN BULGARIA, CAN I GET CHINESE VISA, IN ISTAMBUL, IS THERE ANYTHING I CAN DO NOT TO LOSE MY FLIGHT SOFIA-SHANGHAI AND THE OPORTUNITY TO SEE THE GREAT CITY OF SHANGHAI.

It is also unavailable from embassy of China in Istanbul. You can have a try to submit your application to embassy in Bulgaria. If they do not accept yours, the only way for you is to mail back your application to Canada, let your family handle this on your behalf.