28 lines
763 B
TypeScript
28 lines
763 B
TypeScript
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export async function generateSecretKey() {
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const key = await crypto.subtle.generateKey(
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{ name: "HMAC", hash: "SHA-512" },
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true,
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["sign", "verify"],
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);
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return key;
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}
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export async function prepareSecretKey(){
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const key = Deno.env.get("SECRET_KEY");
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if (key){
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const jwk = JSON.parse(key) as JsonWebKey;
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{
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const key = await crypto.subtle.importKey("jwk", jwk,
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{ name: "HMAC", hash: "SHA-512" }, true, ["sign", "verify"]);
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return key;
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}
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}
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else {
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const key = await generateSecretKey();
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const out = await crypto.subtle.exportKey("jwk", key);
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Deno.env.set("SECRET_KEY", JSON.stringify(out));
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return key;
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}
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} |