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update: converting ipv4 to ipv6 #114

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Feb 5, 2025
Merged

update: converting ipv4 to ipv6 #114

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20 changes: 18 additions & 2 deletions src/server/api/routers/meta.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -416,7 +416,8 @@ export const metaRouter = createTRPCRouter({
event_data.content_category === "visit"
? input.event_time
: Math.floor(Date.now() / 1000),
client_ip_address: user_data.client_ip_address,
// client_ip_address: user_data.client_ip_address,
client_ip_address: normalizeIp(user_data.client_ip_address),
client_user_agent: user_data.client_user_agent,
};

Expand Down Expand Up @@ -496,7 +497,7 @@ export const metaRouter = createTRPCRouter({
ip: bodyData.client_ip_address,
fbc: bodyData.fbc,
fbp: bodyData.fbp,
country: input.customerInfo.countryCode
country: input.customerInfo.countryCode,
},
});
} else {
Expand All @@ -519,4 +520,19 @@ export const metaRouter = createTRPCRouter({

function hashSHA256(value: string): string {
return createHash("sha256").update(value).digest("hex");
}

function ipv4ToIpv6(ipv4: string): string {
const parts = ipv4.split(".").map(Number);
if (parts.length !== 4 || parts.some((n) => isNaN(n) || n < 0 || n > 255)) {
throw new Error("Ungültige IPv4-Adresse");
}
return `::ffff:${parts.join(".")}`;
}

function normalizeIp(ip: string): string {
// Prüft, ob es eine IPv4-Adresse ist
const ipv4Regex = /^(?:\d{1,3}\.){3}\d{1,3}$/;

return ipv4Regex.test(ip) ? ipv4ToIpv6(ip) : ip;
}