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fix(comments): use shared IP hash instead of local hardcoded-pepper copy #74

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Merged
royalpinto007 merged 2 commits into from
Aug 7, 2026
Merged

fix(comments): use shared IP hash instead of local hardcoded-pepper copy #74

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a6eaa61
fix(seo): disallow status and unsubscribe token routes in robots.txt
waterlemonnn Aug 7, 2026
417d0c7
fix(comments): use shared IP hash instead of local hardcoded-pepper copy
waterlemonnn Aug 7, 2026
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18 changes: 4 additions & 14 deletions app/api/comments/route.ts
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Original file line number Diff line number Diff line change
@@ -1,19 +1,8 @@
import { NextRequest, NextResponse } from "next/server";
import { createHash } from "crypto";
import { createSupabaseServerClient } from "@/lib/supabase/server";
import { createSupabaseAdminClient } from "@/lib/supabase/admin";
import { consumeSharedRateLimit } from "@/lib/rate-limit/shared";

function hashIp(ip: string): string {
const pepper = process.env.IP_HASH_PEPPER ?? "default-pepper";
return createHash("sha256")
.update(ip + pepper)
.digest("hex");
}

function getIp(req: NextRequest): string {
return req.headers.get("x-forwarded-for")?.split(",")[0]?.trim() ?? "unknown";
}
import { hashIp, getClientIp } from "@/lib/utils/hash";

interface CommentBody {
post_id?: unknown;
Expand Down Expand Up @@ -65,7 +54,7 @@ export async function POST(req: NextRequest) {
);
}

const ip = getIp(req);
const ip = getClientIp(req.headers);
const ip_hash = hashIp(ip);

const rateLimit = await consumeSharedRateLimit(
Expand Down Expand Up @@ -97,7 +86,8 @@ export async function POST(req: NextRequest) {

if (error) throw error;
return NextResponse.json({ comment: data }, { status: 201 });
} catch {
} catch (err) {
console.error("[comments] error:", err);
return NextResponse.json(
{ error: "Failed to post comment" },
{ status: 500 },
Expand Down
2 changes: 1 addition & 1 deletion app/robots.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ export default function robots(): MetadataRoute.Robots {
rules: {
userAgent: "*",
allow: "/",
disallow: ["/admin", "/api/", "/edit/"],
disallow: ["/admin/", "/api/", "/edit/", "/status/", "/unsubscribe/"],
},
sitemap: `${siteUrl}/sitemap.xml`,
};
Expand Down
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