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const { graphql } = require('graphql');
const http = require('./http');
const context = require('./context');
const getSchemas = require('./schemas');
const { login, logout, getSession } = require('./auth');
async function start(host, port)
{
const schemas = await getSchemas();
await http(host, port, {
graphql: ({ query, variables }, token) => handle(token, schemas, query, context, variables),
login: params => login(params),
logout: (_, token) => logout(token)
});
}
async function handle(token, schemas, query, context, variables)
{
if (!token) {
throw {
http: 401,
message: 'Missing \'Token\' header'
};
}
if (!query) {
throw {
http: 400,
message: 'Missing \'query\' field or \'Content-Type: application/json\' header'
};
}
const session = getSession(token);
if (!session) {
throw {
http: 401,
message: 'Unknown session token'
};
}
const schema = schemas[session.type.name];
return await graphql(schema, query, context(session), null, variables);
}
module.exports = start;
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