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sessions.ts
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sessions.ts
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import Router from "@koa/router";
import { ItemFields } from "../../chip-types/collection-item-body";
import { Collection, Errors, FieldTypes, Policies } from "../../main";
import SecureHasher from "../../utils/secure-hasher";
export default class Sessions extends Collection {
name = "sessions";
fields = {
"session-id": new FieldTypes.SessionID(),
user: new FieldTypes.SingleReference("users"),
};
policies = {
list: new Policies.UserReferencedInField("user"),
};
defaultPolicy = new Policies.Super();
getRouter() {
const router = new Router();
router.delete("/current", async (ctx) => {
try {
const sessions = await ctx.$app.collections.sessions
.suList()
.filter({ "session-id": ctx.$context.session_id })
.fetch();
await Promise.all(
sessions.items.map(async (session) =>
session.remove(new this.app.SuperContext())
)
);
ctx.body = "You've been logged out";
} catch (e) {
return Promise.reject(
new Errors.BadContext("Invalid session id!")
);
}
});
const super_router = super.getRouter();
router.use(super_router.routes(), super_router.allowedMethods());
return router;
}
//returns a session ID to put in the cookie or throws an error if something went wrong
async login(username: string, password: string): Promise<string> {
if (!username) {
throw new Errors.InvalidCredentials("Missing username!");
}
if (!password) {
throw new Errors.InvalidCredentials("Missing password!");
}
const [user] = await this.app.Datastore.find("users", {
"username.safe": username,
});
if (!user) {
throw new Errors.InvalidCredentials("Incorrect username!");
}
const is_valid = await SecureHasher.matches(password, user.password);
if (!is_valid) {
throw new Errors.InvalidCredentials("Incorrect password!");
}
const session = this.make({
user: user.id,
"session-id": null,
} as ItemFields<this>);
await session.save(new this.app.SuperContext());
const session_id = session.get("session-id");
return session_id;
}
}

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sessions.ts (2 KB)

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