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refactor: auth header extraction for token validation #159

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refactor: auth header extraction for token validation #159

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79 changes: 41 additions & 38 deletions src/middleware.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,13 @@ const ERRORS = {
},
};

function extractAuthorization(request: NextRequest) {
const authorization = request.headers.get("authorization") || "";
return authorization.startsWith("Bearer ")
? authorization.substring(7)
: authorization;
}

export async function middleware(request: NextRequest) {
if (NODE_ENV === "production") console.debug(request);

Expand Down Expand Up @@ -128,11 +135,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/ai/openrouter")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
const isDisabledModel = await hasDisabledAIModel();
if (
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -168,11 +175,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/ai/openaicompatible")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
const isDisabledModel = await hasDisabledAIModel();
if (
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -208,11 +215,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/ai/openai")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
const isDisabledModel = await hasDisabledAIModel();
if (
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -288,11 +295,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/ai/deepseek")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
const isDisabledModel = await hasDisabledAIModel();
if (
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -328,11 +335,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/ai/xai")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
const isDisabledModel = await hasDisabledAIModel();
if (
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -368,11 +375,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/ai/mistral")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
const isDisabledModel = await hasDisabledAIModel();
if (
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -444,11 +451,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/ai/google-vertex")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
const isDisabledModel = await hasDisabledAIModel();
if (
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -490,11 +497,11 @@ export async function middleware(request: NextRequest) {
}
// The pollinations model only verifies access to the backend API
if (request.nextUrl.pathname.startsWith("/api/ai/pollinations")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
const isDisabledModel = await hasDisabledAIModel();
if (
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand All @@ -520,13 +527,11 @@ export async function middleware(request: NextRequest) {
}
// The ollama model only verifies access to the backend API
if (request.nextUrl.pathname.startsWith("/api/ai/ollama")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
const isDisabledModel = await hasDisabledAIModel();
if (
!verifySignature(
authorization.startsWith("Bearer ")
? authorization.substring(7)
: authorization,
authorization,
accessPassword,
Date.now(),
) ||
Expand All @@ -551,11 +556,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/search/tavily")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
if (
request.method.toUpperCase() !== "POST" ||
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -590,11 +595,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/search/firecrawl")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
if (
request.method.toUpperCase() !== "POST" ||
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -629,11 +634,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/search/exa")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
if (
request.method.toUpperCase() !== "POST" ||
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -668,11 +673,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/search/bocha")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
if (
request.method.toUpperCase() !== "POST" ||
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand Down Expand Up @@ -707,11 +712,11 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/search/searxng")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
if (
request.method.toUpperCase() !== "POST" ||
!verifySignature(
authorization.substring(7),
authorization,
accessPassword,
Date.now(),
) ||
Expand All @@ -736,10 +741,10 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/crawler")) {
const authorization = request.headers.get("authorization") || "";
const authorization = extractAuthorization(request);
if (
request.method.toUpperCase() !== "POST" ||
!verifySignature(authorization.substring(7), accessPassword, Date.now())
!verifySignature(authorization, accessPassword, Date.now())
) {
return NextResponse.json(
{ error: ERRORS.NO_PERMISSIONS },
Expand All @@ -760,10 +765,8 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/sse")) {
let authorization = request.headers.get("authorization") || "";
if (authorization !== "") {
authorization = authorization.substring(7);
} else if (request.method.toUpperCase() === "GET") {
let authorization = extractAuthorization(request);
if (authorization == "" && request.method.toUpperCase() === "GET") {
authorization = request.nextUrl.searchParams.get("password") || "";
}
if (authorization !== accessPassword) {
Expand All @@ -786,8 +789,8 @@ export async function middleware(request: NextRequest) {
}
}
if (request.nextUrl.pathname.startsWith("/api/mcp")) {
const authorization = request.headers.get("authorization") || "";
if (authorization.substring(7) !== accessPassword) {
const authorization = extractAuthorization(request);
if (authorization !== accessPassword) {
const responseHeaders = new Headers();
responseHeaders.set("WWW-Authenticate", ERRORS.NO_PERMISSIONS.message);
return NextResponse.json(
Expand Down