2025SELab2-project-Dwengo/backend/src/middleware/auth/checks/question-checks.ts
2025-05-15 19:01:10 +00:00

66 lines
2.8 KiB
TypeScript

import { authorize } from './auth-checks.js';
import { AuthenticationInfo } from '../authentication-info.js';
import { AuthenticatedRequest } from '../authenticated-request.js';
import { requireFields } from '../../../controllers/error-helper.js';
import { getLearningObjectId, getQuestionId } from '../../../controllers/questions.js';
import { fetchQuestion } from '../../../services/questions.js';
import { FALLBACK_SEQ_NUM } from '../../../config.js';
import { fetchAnswer } from '../../../services/answers.js';
import { mapToUsername } from '../../../interfaces/user.js';
import { AccountType } from '@dwengo-1/common/util/account-types';
export const onlyAllowAuthor = authorize(
(auth: AuthenticationInfo, req: AuthenticatedRequest) => (req.body as { author: string }).author === auth.username
);
export const onlyAllowAuthorRequest = authorize(async (auth: AuthenticationInfo, req: AuthenticatedRequest) => {
const hruid = req.params.hruid;
const version = req.params.version;
const language = req.query.lang as string;
const seq = req.params.seq;
requireFields({ hruid });
const learningObjectId = getLearningObjectId(hruid, version, language);
const questionId = getQuestionId(learningObjectId, seq);
const question = await fetchQuestion(questionId);
return question.author.username === auth.username;
});
export const onlyAllowAuthorRequestAnswer = authorize(async (auth: AuthenticationInfo, req: AuthenticatedRequest) => {
const hruid = req.params.hruid;
const version = req.params.version;
const language = req.query.lang as string;
const seq = req.params.seq;
const seqAnswer = req.params.seqAnswer;
requireFields({ hruid });
const learningObjectId = getLearningObjectId(hruid, version, language);
const questionId = getQuestionId(learningObjectId, seq);
const sequenceNumber = Number(seqAnswer) || FALLBACK_SEQ_NUM;
const answer = await fetchAnswer(questionId, sequenceNumber);
return answer.author.username === auth.username;
});
export const onlyAllowIfHasAccessToQuestion = authorize(async (auth: AuthenticationInfo, req: AuthenticatedRequest) => {
const hruid = req.params.hruid;
const version = req.params.version;
const language = req.query.lang as string;
const seq = req.params.seq;
requireFields({ hruid });
const learningObjectId = getLearningObjectId(hruid, version, language);
const questionId = getQuestionId(learningObjectId, seq);
const question = await fetchQuestion(questionId);
const group = question.inGroup;
if (auth.accountType === AccountType.Teacher) {
const cls = group.assignment.within; // TODO check if contains full objects
return cls.teachers.map(mapToUsername).includes(auth.username);
} // User is student
return group.members.map(mapToUsername).includes(auth.username);
});