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75 lines
1.2 KiB
75 lines
1.2 KiB
use std::{
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net::{
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IpAddr,
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AddrParseError,
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},
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str,
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error,
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fmt,
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};
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#[derive(Debug)]
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pub struct XFormatError;
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impl error::Error for XFormatError{}
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impl fmt::Display for XFormatError
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{
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
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{
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write!(f, "X-Forwarded-For was not in the correct format")
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}
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}
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#[derive(Debug, Clone, PartialOrd, PartialEq, Eq, Default)]
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pub struct XForwardedFor(Vec<IpAddr>);
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impl XForwardedFor
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{
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pub fn new() -> Self
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{
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Self(Vec::new())
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}
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pub fn single(ip: impl Into<IpAddr>) -> Self
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{
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Self(vec![ip.into()])
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}
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pub fn addrs(&self) -> &[IpAddr]
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{
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&self.0[..]
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}
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pub fn into_first(self) -> Option<IpAddr>
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{
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self.0.into_iter().next()
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}
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pub fn into_addrs(self) -> Vec<IpAddr>
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{
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self.0
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}
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}
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impl str::FromStr for XForwardedFor
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{
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type Err = XFormatError;
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fn from_str(s: &str) -> Result<Self, Self::Err> {
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let mut output = Vec::new();
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for next in s.split(',')
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{
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output.push(next.trim().parse()?)
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}
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Ok(Self(output))
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}
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}
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impl From<AddrParseError> for XFormatError
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{
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#[inline(always)] fn from(_: AddrParseError) -> Self
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{
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Self
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}
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}
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