Question Summary:
Is it permissible to give charity to strangers asking for money inside the Masajids?

Question Detail:

Is it allowed or is it good to give charity to strangers asking for money outside and inside the masjid?

Answer :

In the Name of Allah, the Most Gracious, the Most Merciful.
As-salāmu ‘alaykum wa-rahmatullāhi wa-barakātuh.
It is permissible. [1] However the management of the masjid should also be consulted.
And Allah Ta’āla Knows Best
Ismail Dawoodjee
Student Darul Iftaa
Zambia
Checked and Approved by,
Mufti Ebrahim Desai.
www.daruliftaa.net 
ثم نقل صاحب البحر عن المبسوط و هل تحل الصدقة... و جاز دفع غيرها و غير العشر والخراج اليه اى الذمى (رد المحتار ج2 ص353 سعيد)[1]
Aap ke masail ur un ka hal pg.493 vol.3 Maktaba Ludhyanwi
Fatawaa Mahmodiya pg.358 vol. 14 Maktaba Mahmodiya