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Update settings.py to expand IPv6 addresses.

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Still handles IPv4 addresses as well.
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also-here 2023-03-03 16:20:22 -06:00 • committed by GitHub
commit 8953f87bbd
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1 changed files with 44 additions and 17 deletions
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59
settings.py
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@ -45,22 +45,49 @@ class Settings:
def expand_ranges(lst): def expand_ranges(lst):
ret = [] ret = []
for l in lst: for l in lst:
tab = l.split('.') if ':' in l: #For IPv6 addresses, similar to the IPv4 version below but hex and pads :'s to expand shortend addresses
x = {} while l.count(':') < 7:
i = 0 pos = l.find('::')
for byte in tab: l = l[:pos] + ':' + l[pos:]
if '-' not in byte: tab = l.split(':')
x[i] = x[i+1] = int(byte) x = {}
else: i = 0
b = byte.split('-') for byte in tab:
x[i] = int(b[0]) if byte == '':
x[i+1] = int(b[1]) byte = '0'
i += 2 if '-' not in byte:
for a in range(x[0], x[1]+1): x[i] = x[i+1] = int(byte, base=16)
for b in range(x[2], x[3]+1): else:
for c in range(x[4], x[5]+1): b = byte.split('-')
for d in range(x[6], x[7]+1): x[i] = int(b[0], base=16)
ret.append('%d.%d.%d.%d' % (a, b, c, d)) x[i+1] = int(b[1], base=16)
i += 2
for a in range(x[0], x[1]+1):
for b in range(x[2], x[3]+1):
for c in range(x[4], x[5]+1):
for d in range(x[6], x[7]+1):
for e in range(x[8], x[9]+1):
for f in range(x[10], x[11]+1):
for g in range(x[12], x[13]+1):
for h in range(x[14], x[15]+1):
ret.append('%x:%x:%x:%x:%x:%x:%x:%x' % (a, b, c, d, e, f, g, h))
else:
tab = l.split('.')
x = {}
i = 0
for byte in tab:
if '-' not in byte:
x[i] = x[i+1] = int(byte)
else:
b = byte.split('-')
x[i] = int(b[0])
x[i+1] = int(b[1])
i += 2
for a in range(x[0], x[1]+1):
for b in range(x[2], x[3]+1):
for c in range(x[4], x[5]+1):
for d in range(x[6], x[7]+1):
ret.append('%d.%d.%d.%d' % (a, b, c, d))
return ret return ret
self.RespondTo = expand_ranges(self.RespondTo) self.RespondTo = expand_ranges(self.RespondTo)