43 lines
1.4 KiB
Python
43 lines
1.4 KiB
Python
import socket
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import os
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import i2plib.sam
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def get_free_port():
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"""Get a free port on your local host"""
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
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s.bind(('', 0))
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free_port = s.getsockname()[1]
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s.close()
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return free_port
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def is_address_accessible(address):
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"""Check if address is accessible or down"""
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s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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is_accessible = s.connect_ex(address) == 0
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s.close()
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return is_accessible
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def address_from_string(address_string):
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"""Address tuple from host:port string"""
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address = address_string.split(":")
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return (address[0], int(address[1]))
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def get_sam_address():
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"""
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Get SAM address from environment variable I2P_SAM_ADDRESS, or use a default
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value
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"""
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value = os.getenv("I2P_SAM_ADDRESS")
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return address_from_string(value) if value else i2plib.sam.DEFAULT_ADDRESS
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def get_new_destination(sam_address=i2plib.sam.DEFAULT_ADDRESS,
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sig_type=i2plib.sam.Destination.default_sig_type):
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"""Generates new I2P destination of a chosen signature type"""
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sam_socket = i2plib.sam.get_socket(sam_address)
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sam_socket.send(i2plib.sam.dest_generate(sig_type))
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a = i2plib.sam.get_response(sam_socket)
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sam_socket.close()
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return i2plib.sam.Destination(a['PRIV'], has_private_key=True)
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