refactor(api): ♻️ More OpenAPI refactoring work

This commit is contained in:
Jesse Wierzbinski 2024-09-16 15:29:09 +02:00
parent 6d9e385a04
commit 5aa1c4e625
No known key found for this signature in database
35 changed files with 4883 additions and 1815 deletions

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@ -1,7 +1,7 @@
import { apiRoute, applyConfig, handleZodError } from "@/api";
import { apiRoute, applyConfig } from "@/api";
import { randomString } from "@/math";
import { setCookie } from "@hono/hono/cookie";
import { zValidator } from "@hono/zod-validator";
import { createRoute } from "@hono/zod-openapi";
import { and, eq, isNull } from "drizzle-orm";
import type { Context } from "hono";
import { SignJWT } from "jose";
@ -40,6 +40,24 @@ export const schemas = {
}),
};
const route = createRoute({
method: "get",
path: "/oauth/sso/{issuer}/callback",
summary: "SSO callback",
description:
"After the user has authenticated to an external OpenID provider, they are redirected here to complete the OAuth flow and get a code",
request: {
query: schemas.query,
params: schemas.param,
},
responses: {
302: {
description:
"Redirect to frontend's consent route, or redirect to login page with error",
},
},
});
const returnError = (
context: Context,
query: object,
@ -63,155 +81,124 @@ const returnError = (
);
};
/**
* OAuth Callback endpoint
* After the user has authenticated to an external OpenID provider,
* they are redirected here to complete the OAuth flow and get a code
*/
export default apiRoute((app) =>
app.on(
meta.allowedMethods,
meta.route,
zValidator("query", schemas.query, handleZodError),
zValidator("param", schemas.param, handleZodError),
async (context) => {
const currentUrl = new URL(context.req.url);
const redirectUrl = new URL(context.req.url);
app.openapi(route, async (context) => {
const currentUrl = new URL(context.req.url);
const redirectUrl = new URL(context.req.url);
// Correct some reverse proxies incorrectly setting the protocol as http, even if the original request was https
// Looking at you, Traefik
if (
new URL(config.http.base_url).protocol === "https:" &&
currentUrl.protocol === "http:"
) {
currentUrl.protocol = "https:";
redirectUrl.protocol = "https:";
}
// Correct some reverse proxies incorrectly setting the protocol as http, even if the original request was https
// Looking at you, Traefik
if (
new URL(config.http.base_url).protocol === "https:" &&
currentUrl.protocol === "http:"
) {
currentUrl.protocol = "https:";
redirectUrl.protocol = "https:";
}
// Remove state query parameter from URL
currentUrl.searchParams.delete("state");
redirectUrl.searchParams.delete("state");
// Remove issuer query parameter from URL (can cause redirect URI mismatches)
redirectUrl.searchParams.delete("iss");
redirectUrl.searchParams.delete("code");
const { issuer: issuerParam } = context.req.valid("param");
const { flow: flowId, user_id, link } = context.req.valid("query");
// Remove state query parameter from URL
currentUrl.searchParams.delete("state");
redirectUrl.searchParams.delete("state");
// Remove issuer query parameter from URL (can cause redirect URI mismatches)
redirectUrl.searchParams.delete("iss");
redirectUrl.searchParams.delete("code");
const { issuer: issuerParam } = context.req.valid("param");
const { flow: flowId, user_id, link } = context.req.valid("query");
const manager = new OAuthManager(issuerParam);
const manager = new OAuthManager(issuerParam);
const userInfo = await manager.automaticOidcFlow(
flowId,
currentUrl,
redirectUrl,
(error, message, app) =>
returnError(
context,
manager.processOAuth2Error(app),
error,
message,
const userInfo = await manager.automaticOidcFlow(
flowId,
currentUrl,
redirectUrl,
(error, message, app) =>
returnError(
context,
manager.processOAuth2Error(app),
error,
message,
),
);
if (userInfo instanceof Response) {
return userInfo;
}
const { sub, email, preferred_username, picture } = userInfo.userInfo;
const flow = userInfo.flow;
// If linking account
if (link && user_id) {
return await manager.linkUser(user_id, context, userInfo);
}
let userId = (
await db.query.OpenIdAccounts.findFirst({
where: (account, { eq, and }) =>
and(
eq(account.serverId, sub),
eq(account.issuerId, manager.issuer.id),
),
);
})
)?.userId;
if (userInfo instanceof Response) {
return userInfo;
}
if (!userId) {
// Register new user
if (config.signups.registration && config.oidc.allow_registration) {
let username =
preferred_username ??
email?.split("@")[0] ??
randomString(8, "hex");
const { sub, email, preferred_username, picture } =
userInfo.userInfo;
const flow = userInfo.flow;
// If linking account
if (link && user_id) {
return await manager.linkUser(user_id, context, userInfo);
}
let userId = (
await db.query.OpenIdAccounts.findFirst({
where: (account, { eq, and }) =>
and(
eq(account.serverId, sub),
eq(account.issuerId, manager.issuer.id),
),
})
)?.userId;
if (!userId) {
// Register new user
if (
config.signups.registration &&
config.oidc.allow_registration
) {
let username =
preferred_username ??
email?.split("@")[0] ??
randomString(8, "hex");
const usernameValidator = z
.string()
.regex(/^[a-z0-9_]+$/)
.min(3)
.max(config.validation.max_username_size)
.refine(
(value) =>
!config.validation.username_blacklist.includes(
value,
),
)
.refine((value) =>
config.filters.username.some((filter) =>
value.match(filter),
const usernameValidator = z
.string()
.regex(/^[a-z0-9_]+$/)
.min(3)
.max(config.validation.max_username_size)
.refine(
(value) =>
!config.validation.username_blacklist.includes(
value,
),
)
.refine(
async (value) =>
!(await User.fromSql(
and(
eq(Users.username, value),
isNull(Users.instanceId),
),
)),
);
try {
await usernameValidator.parseAsync(username);
} catch {
username = randomString(8, "hex");
}
const doesEmailExist = email
? !!(await User.fromSql(eq(Users.email, email)))
: false;
// Create new user
const user = await User.fromDataLocal({
email: doesEmailExist ? undefined : email,
username,
avatar: picture,
password: undefined,
});
// Link account
await manager.linkUserInDatabase(user.id, sub);
userId = user.id;
} else {
return returnError(
context,
{
redirect_uri: flow.application?.redirectUri,
client_id: flow.application?.clientId,
response_type: "code",
scope: flow.application?.scopes,
},
"invalid_request",
"No user found with that account",
)
.refine((value) =>
config.filters.username.some((filter) =>
value.match(filter),
),
)
.refine(
async (value) =>
!(await User.fromSql(
and(
eq(Users.username, value),
isNull(Users.instanceId),
),
)),
);
try {
await usernameValidator.parseAsync(username);
} catch {
username = randomString(8, "hex");
}
}
const user = await User.fromId(userId);
const doesEmailExist = email
? !!(await User.fromSql(eq(Users.email, email)))
: false;
if (!user) {
// Create new user
const user = await User.fromDataLocal({
email: doesEmailExist ? undefined : email,
username,
avatar: picture,
password: undefined,
});
// Link account
await manager.linkUserInDatabase(user.id, sub);
userId = user.id;
} else {
return returnError(
context,
{
@ -224,80 +211,96 @@ export default apiRoute((app) =>
"No user found with that account",
);
}
}
if (!user.hasPermission(RolePermissions.OAuth)) {
return returnError(
context,
{
redirect_uri: flow.application?.redirectUri,
client_id: flow.application?.clientId,
response_type: "code",
scope: flow.application?.scopes,
},
"invalid_request",
`User does not have the '${RolePermissions.OAuth}' permission`,
);
}
const user = await User.fromId(userId);
if (!flow.application) {
return context.json({ error: "Application not found" }, 500);
}
const code = randomString(32, "hex");
await db.insert(Tokens).values({
accessToken: randomString(64, "base64url"),
code: code,
scope: flow.application.scopes,
tokenType: TokenType.Bearer,
userId: user.id,
applicationId: flow.application.id,
});
// Try and import the key
const privateKey = await crypto.subtle.importKey(
"pkcs8",
Buffer.from(config.oidc.keys?.private ?? "", "base64"),
"Ed25519",
false,
["sign"],
if (!user) {
return returnError(
context,
{
redirect_uri: flow.application?.redirectUri,
client_id: flow.application?.clientId,
response_type: "code",
scope: flow.application?.scopes,
},
"invalid_request",
"No user found with that account",
);
}
// Generate JWT
const jwt = await new SignJWT({
sub: user.id,
iss: new URL(config.http.base_url).origin,
aud: flow.application.clientId,
exp: Math.floor(Date.now() / 1000) + 60 * 60,
iat: Math.floor(Date.now() / 1000),
nbf: Math.floor(Date.now() / 1000),
})
.setProtectedHeader({ alg: "EdDSA" })
.sign(privateKey);
// Redirect back to application
setCookie(context, "jwt", jwt, {
httpOnly: true,
secure: true,
sameSite: "strict",
path: "/",
maxAge: 60 * 60,
});
return context.redirect(
new URL(
`${config.frontend.routes.consent}?${new URLSearchParams({
redirect_uri: flow.application.redirectUri,
code,
client_id: flow.application.clientId,
application: flow.application.name,
website: flow.application.website ?? "",
scope: flow.application.scopes,
response_type: "code",
}).toString()}`,
config.http.base_url,
).toString(),
if (!user.hasPermission(RolePermissions.OAuth)) {
return returnError(
context,
{
redirect_uri: flow.application?.redirectUri,
client_id: flow.application?.clientId,
response_type: "code",
scope: flow.application?.scopes,
},
"invalid_request",
`User does not have the '${RolePermissions.OAuth}' permission`,
);
},
),
}
if (!flow.application) {
return context.json({ error: "Application not found" }, 500);
}
const code = randomString(32, "hex");
await db.insert(Tokens).values({
accessToken: randomString(64, "base64url"),
code: code,
scope: flow.application.scopes,
tokenType: TokenType.Bearer,
userId: user.id,
applicationId: flow.application.id,
});
// Try and import the key
const privateKey = await crypto.subtle.importKey(
"pkcs8",
Buffer.from(config.oidc.keys?.private ?? "", "base64"),
"Ed25519",
false,
["sign"],
);
// Generate JWT
const jwt = await new SignJWT({
sub: user.id,
iss: new URL(config.http.base_url).origin,
aud: flow.application.clientId,
exp: Math.floor(Date.now() / 1000) + 60 * 60,
iat: Math.floor(Date.now() / 1000),
nbf: Math.floor(Date.now() / 1000),
})
.setProtectedHeader({ alg: "EdDSA" })
.sign(privateKey);
// Redirect back to application
setCookie(context, "jwt", jwt, {
httpOnly: true,
secure: true,
sameSite: "strict",
path: "/",
maxAge: 60 * 60,
});
return context.redirect(
new URL(
`${config.frontend.routes.consent}?${new URLSearchParams({
redirect_uri: flow.application.redirectUri,
code,
client_id: flow.application.clientId,
application: flow.application.name,
website: flow.application.website ?? "",
scope: flow.application.scopes,
response_type: "code",
}).toString()}`,
config.http.base_url,
).toString(),
);
}),
);