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fix(server): /api/signin always returns 429 when request header x-forwarded-for contains client port
Fix #9408
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@ -1,9 +1,14 @@
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import IPCIDR from 'ip-cidr';
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import IPCIDR from 'ip-cidr';
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export function getIpHash(ip: string) {
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export function getIpHash(ip: string) {
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// because a single person may control many IPv6 addresses,
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try {
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// only a /64 subnet prefix of any IP will be taken into account.
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// because a single person may control many IPv6 addresses,
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// (this means for IPv4 the entire address is used)
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// only a /64 subnet prefix of any IP will be taken into account.
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const prefix = IPCIDR.createAddress(ip).mask(64);
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// (this means for IPv4 the entire address is used)
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return 'ip-' + BigInt('0b' + prefix).toString(36);
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const prefix = IPCIDR.createAddress(ip).mask(64);
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return 'ip-' + BigInt('0b' + prefix).toString(36);
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} catch (e) {
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const prefix = IPCIDR.createAddress(ip.replace(/:[0-9]+$/, '')).mask(64);
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return 'ip-' + BigInt('0b' + prefix).toString(36);
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}
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}
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}
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