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change regexes for ipv6 addresses to catch url-encoded addresses

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luciole 2022-11-14 17:30:36 +01:00 • committed by Cecylia Bocovich
parent 4ebd85e5d1
commit 90d1a56719
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2 changed files with 10 additions and 2 deletions
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7
common/safelog/log.go
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@ -11,8 +11,11 @@ import (
)
const ipv4Address = `\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}`
const ipv6Address = `([0-9a-fA-F]{0,4}:){5,7}([0-9a-fA-F]{0,4})?`
const ipv6Compressed = `([0-9a-fA-F]{0,4}:){0,5}([0-9a-fA-F]{0,4})?(::)([0-9a-fA-F]{0,4}:){0,5}([0-9a-fA-F]{0,4})?`
// %3A and %3a are for matching : in URL-encoded IPv6 addresses
const colon = `(:|%3a|%3A)`
const ipv6Address = `([0-9a-fA-F]{0,4}` + colon + `){5,7}([0-9a-fA-F]{0,4})?`
const ipv6Compressed = `([0-9a-fA-F]{0,4}` + colon + `){0,5}([0-9a-fA-F]{0,4})?(` + colon + `){2}([0-9a-fA-F]{0,4}` + colon + `){0,5}([0-9a-fA-F]{0,4})?`
const ipv6Full = `(` + ipv6Address + `(` + ipv4Address + `))` +
`|(` + ipv6Compressed + `(` + ipv4Address + `))` +
`|(` + ipv6Address + `)` + `|(` + ipv6Compressed + `)`