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Fix: HTTP 403 error when accessing leetcode.cn with non-Chinese IP#108

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JacobLinCool merged 2 commits intoJacobLinCool:mainfrom
AntaresQAQ:main
Jul 10, 2025
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Fix: HTTP 403 error when accessing leetcode.cn with non-Chinese IP#108
JacobLinCool merged 2 commits intoJacobLinCool:mainfrom
AntaresQAQ:main

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@AntaresQAQ AntaresQAQ commented Jul 8, 2025 •
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How to repro:

Use a non-Chinese IP

code

const query = `
query questionOfToday {
    todayRecord {
        date
        userStatus
        question {
            questionId
            frontendQuestionId: questionFrontendId
            difficulty
            title
            titleCn: translatedTitle
            titleSlug
            paidOnly: isPaidOnly
            freqBar
            isFavor
            acRate
            status
            solutionNum
            hasVideoSolution
            topicTags {
                name
                nameTranslated: translatedName
                id
            }
            extra {
                topCompanyTags {
                    imgUrl
                    slug
                    numSubscribed
                }
            }
        }
        lastSubmission {
            id
        }
    }
}`;

fetch("https://leetcode.cn/graphql/", {
  headers: {
    // accept: "application/json",
    // "accept-language": "zh-CN,zh;q=0.9,en;q=0.8",
    "content-type": "application/json",
  },
  body: JSON.stringify({
    query,
    variables: {},
    operationName: "questionOfToday",
  }),
  method: "POST",
})
  .then((resp) => {
    console.log("Response status:", resp.status);
    resp.text().then((text) => {
      console.log(text.slice(0, 300));
    });
  })
  .catch((err) => console.error(err));

Results

Response status: 403
<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; char...
image

Expected results

Response status: 200
{"data":{"todayRecord":[{"date":"2025-07-08","userStatus":null,"question":{"questionId":"1851","frontendQu......

How to fix:

Add these HTTP headers:

Accept: application/json
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8

Validate the fix:
image

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changeset-bot bot commented Jul 8, 2025 •
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🦋 Changeset detected

Latest commit: f967d70

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package
Name Type
leetcode-query Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

@AntaresQAQ
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AntaresQAQ commented Jul 9, 2025

Hi @JacobLinCool , please help to review! Thank you! ❤️

JacobLinCool
JacobLinCool approved these changes Jul 9, 2025
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@JacobLinCool JacobLinCool left a comment •
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LGTM. Just want to know that is accept-language necessary?

And, please run pnpm changeset and commit the changeset to make the CI release work.

@AntaresQAQ
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AntaresQAQ commented Jul 9, 2025

LGTM. Just want to know that is accept-language necessary?

And, please run pnpm changeset and commit the changeset to make the CI release work.

Thanks @JacobLinCool , I'm sure that both of them are necessary.
image
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@AntaresQAQ AntaresQAQ requested a review from JacobLinCool July 10, 2025 00:21
@JacobLinCool JacobLinCool merged commit 1bf288b into JacobLinCool:main Jul 10, 2025
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@github-actions github-actions bot mentioned this pull request Jul 10, 2025
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