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const { Octokit } = require('@octokit/rest');
const fs = require('fs-extra');
const path = require('path');
const {
getExpectationsFilename,
transformRecordedData: transformData,
getGitClient,
} = require('./common');
const { updateConfig } = require('../utils/config');
const { escapeRegExp } = require('../utils/regexp');
const { merge } = require('lodash');
const GITHUB_REPO_OWNER_SANITIZED_VALUE = 'owner';
const GITHUB_REPO_NAME_SANITIZED_VALUE = 'repo';
const GITHUB_REPO_TOKEN_SANITIZED_VALUE = 'fakeToken';
const GITHUB_OPEN_AUTHORING_OWNER_SANITIZED_VALUE = 'forkOwner';
const GITHUB_OPEN_AUTHORING_TOKEN_SANITIZED_VALUE = 'fakeForkToken';
const FAKE_OWNER_USER = {
login: 'owner',
id: 1,
avatar_url: 'https://avatars1.githubusercontent.com/u/7892489?v=4',
name: 'owner',
};
const FAKE_FORK_OWNER_USER = {
login: 'forkOwner',
id: 2,
avatar_url: 'https://avatars1.githubusercontent.com/u/9919?s=200&v=4',
name: 'forkOwner',
};
function getGitHubClient(token) {
const client = new Octokit({
auth: `token ${token}`,
baseUrl: 'https://api.github.com',
});
return client;
}
function getEnvs() {
const {
GITHUB_REPO_OWNER: owner,
GITHUB_REPO_NAME: repo,
GITHUB_REPO_TOKEN: token,
GITHUB_OPEN_AUTHORING_OWNER: forkOwner,
GITHUB_OPEN_AUTHORING_TOKEN: forkToken,
} = process.env;
if (!owner || !repo || !token || !forkOwner || !forkToken) {
throw new Error(
'Please set GITHUB_REPO_OWNER, GITHUB_REPO_NAME, GITHUB_REPO_TOKEN, GITHUB_OPEN_AUTHORING_OWNER, GITHUB_OPEN_AUTHORING_TOKEN environment variables',
);
}
return { owner, repo, token, forkOwner, forkToken };
}
async function prepareTestGitHubRepo() {
const { owner, repo, token } = getEnvs();
// postfix a random string to avoid collisions
const postfix = Math.random().toString(32).slice(2);
const testRepoName = `${repo}-${Date.now()}-${postfix}`;
const client = getGitHubClient(token);
console.info('Creating repository', testRepoName);
await client.repos.createForAuthenticatedUser({
name: testRepoName,
});
const tempDir = path.join('.temp', testRepoName);
await fs.remove(tempDir);
let git = getGitClient();
const repoUrl = `git@github.com:${owner}/${repo}.git`;
console.info('Cloning repository', repoUrl);
await git.clone(repoUrl, tempDir);
git = getGitClient(tempDir);
console.info('Pushing to new repository', testRepoName);
await git.removeRemote('origin');
await git.addRemote(
'origin',
`https://${token}:x-oauth-basic@github.com/${owner}/${testRepoName}`,
);
await git.push(['-u', 'origin', 'main']);
return { owner, repo: testRepoName, tempDir };
}
async function getAuthenticatedUser(token) {
const client = getGitHubClient(token);
const { data: user } = await client.users.getAuthenticated();
return { ...user, token, backendName: 'github' };
}
async function getUser() {
const { token } = getEnvs();
return getAuthenticatedUser(token);
}
async function getForkUser() {
const { forkToken } = getEnvs();
return getAuthenticatedUser(forkToken);
}
async function deleteRepositories({ owner, repo, tempDir }) {
const { forkOwner, token, forkToken } = getEnvs();
const errorHandler = e => {
if (e.status !== 404) {
throw e;
}
};
console.info('Deleting repository', `${owner}/${repo}`);
await fs.remove(tempDir);
let client = getGitHubClient(token);
await client.repos
.delete({
owner,
repo,
})
.catch(errorHandler);
console.info('Deleting forked repository', `${forkOwner}/${repo}`);
client = getGitHubClient(forkToken);
await client.repos
.delete({
owner: forkOwner,
repo,
})
.catch(errorHandler);
}
async function batchRequests(items, batchSize, func) {
while (items.length > 0) {
const batch = items.splice(0, batchSize);
await Promise.all(batch.map(func));
await new Promise(resolve => setTimeout(resolve, 2500));
}
}
async function resetOriginRepo({ owner, repo, tempDir }) {
console.info('Resetting origin repo:', `${owner}/${repo}`);
const { token } = getEnvs();
const client = getGitHubClient(token);
const { data: prs } = await client.pulls.list({
repo,
owner,
state: 'open',
});
const numbers = prs.map(pr => pr.number);
console.info('Closing prs:', numbers);
await batchRequests(numbers, 10, async pull_number => {
await client.pulls.update({
owner,
repo,
pull_number,
state: 'closed',
});
});
const { data: branches } = await client.repos.listBranches({ owner, repo });
const refs = branches.filter(b => b.name !== 'main').map(b => `heads/${b.name}`);
console.info('Deleting refs', refs);
await batchRequests(refs, 10, async ref => {
await client.git.deleteRef({
owner,
repo,
ref,
});
});
console.info('Resetting main');
const git = getGitClient(tempDir);
await git.push(['--force', 'origin', 'main']);
console.info('Done resetting origin repo:', `${owner}/${repo}`);
}
async function resetForkedRepo({ repo }) {
const { forkToken, forkOwner } = getEnvs();
const client = getGitHubClient(forkToken);
const { data: repos } = await client.repos.list();
if (repos.some(r => r.name === repo)) {
console.info('Resetting forked repo:', `${forkOwner}/${repo}`);
const { data: branches } = await client.repos.listBranches({ owner: forkOwner, repo });
const refs = branches.filter(b => b.name !== 'main').map(b => `heads/${b.name}`);
console.info('Deleting refs', refs);
await Promise.all(
refs.map(ref =>
client.git.deleteRef({
owner: forkOwner,
repo,
ref,
}),
),
);
console.info('Done resetting forked repo:', `${forkOwner}/${repo}`);
}
}
async function resetRepositories({ owner, repo, tempDir }) {
await resetOriginRepo({ owner, repo, tempDir });
await resetForkedRepo({ repo });
}
async function setupGitHub(options) {
console.info('Running tests - live data will be used!');
const [user, forkUser, repoData] = await Promise.all([
getUser(),
getForkUser(),
prepareTestGitHubRepo(),
]);
await updateConfig(config => {
merge(config, options, {
backend: {
repo: `${repoData.owner}/${repoData.repo}`,
},
});
});
return { ...repoData, user, forkUser };
}
async function teardownGitHub(taskData) {
await deleteRepositories(taskData);
return null;
}
async function setupGitHubTest(taskData) {
await resetRepositories(taskData);
return null;
}
const sanitizeString = (
str,
{ owner, repo, token, forkOwner, forkToken, ownerName, forkOwnerName },
) => {
let replaced = str
.replace(new RegExp(escapeRegExp(forkOwner), 'g'), GITHUB_OPEN_AUTHORING_OWNER_SANITIZED_VALUE)
.replace(new RegExp(escapeRegExp(forkToken), 'g'), GITHUB_OPEN_AUTHORING_TOKEN_SANITIZED_VALUE)
.replace(new RegExp(escapeRegExp(owner), 'g'), GITHUB_REPO_OWNER_SANITIZED_VALUE)
.replace(new RegExp(escapeRegExp(repo), 'g'), GITHUB_REPO_NAME_SANITIZED_VALUE)
.replace(new RegExp(escapeRegExp(token), 'g'), GITHUB_REPO_TOKEN_SANITIZED_VALUE)
.replace(
new RegExp('https://avatars\\d+\\.githubusercontent\\.com/u/\\d+?\\?v=\\d', 'g'),
`${FAKE_OWNER_USER.avatar_url}`,
);
if (ownerName) {
replaced = replaced.replace(new RegExp(escapeRegExp(ownerName), 'g'), FAKE_OWNER_USER.name);
}
if (forkOwnerName) {
replaced = replaced.replace(
new RegExp(escapeRegExp(forkOwnerName), 'g'),
FAKE_FORK_OWNER_USER.name,
);
}
return replaced;
};
const transformRecordedData = (expectation, toSanitize) => {
const requestBodySanitizer = httpRequest => {
let body;
if (httpRequest.body && httpRequest.body.type === 'JSON' && httpRequest.body.json) {
const bodyObject =
typeof httpRequest.body.json === 'string'
? JSON.parse(httpRequest.body.json)
: httpRequest.body.json;
if (bodyObject.encoding === 'base64') {
// sanitize encoded data
const decodedBody = Buffer.from(bodyObject.content, 'base64').toString('binary');
const sanitizedContent = sanitizeString(decodedBody, toSanitize);
const sanitizedEncodedContent = Buffer.from(sanitizedContent, 'binary').toString('base64');
bodyObject.content = sanitizedEncodedContent;
body = JSON.stringify(bodyObject);
} else {
body = JSON.stringify(bodyObject);
}
} else if (httpRequest.body && httpRequest.body.type === 'STRING' && httpRequest.body.string) {
body = httpRequest.body.string;
} else if (httpRequest.body) {
const str =
typeof httpRequest.body !== 'string' ? JSON.stringify(httpRequest.body) : httpRequest.body;
body = sanitizeString(str, toSanitize);
}
return body;
};
const responseBodySanitizer = (httpRequest, httpResponse) => {
let responseBody = null;
if (httpResponse.body && httpResponse.body.string) {
responseBody = httpResponse.body.string;
} else if (
httpResponse.body &&
httpResponse.body.type === 'BINARY' &&
httpResponse.body.base64Bytes
) {
responseBody = {
encoding: 'base64',
content: httpResponse.body.base64Bytes,
};
} else if (httpResponse.body && httpResponse.body.json) {
responseBody = JSON.stringify(httpResponse.body.json);
} else {
responseBody =
typeof httpResponse.body === 'string'
? httpResponse.body
: httpResponse.body && JSON.stringify(httpResponse.body);
}
// replace recorded user with fake one
if (
responseBody &&
httpRequest.path === '/user' &&
httpRequest.headers.host.includes('api.github.com')
) {
const parsed = JSON.parse(responseBody);
if (parsed.login === toSanitize.forkOwner) {
responseBody = JSON.stringify(FAKE_FORK_OWNER_USER);
} else {
responseBody = JSON.stringify(FAKE_OWNER_USER);
}
}
return responseBody;
};
const cypressRouteOptions = transformData(
expectation,
requestBodySanitizer,
responseBodySanitizer,
);
return cypressRouteOptions;
};
const defaultOptions = {
transformRecordedData,
};
async function teardownGitHubTest(taskData, { transformRecordedData } = defaultOptions) {
await resetRepositories(taskData);
return null;
}
async function seedGitHubRepo(taskData) {
const { owner, token } = getEnvs();
const client = getGitHubClient(token);
const repo = taskData.repo;
try {
console.info('Getting main branch');
const { data: main } = await client.repos.getBranch({
owner,
repo,
branch: 'main',
});
const prCount = 120;
const prs = new Array(prCount).fill(0).map((v, i) => i);
const batchSize = 5;
await batchRequests(prs, batchSize, async i => {
const branch = `seed_branch_${i}`;
console.info(`Creating branch ${branch}`);
await client.git.createRef({
owner,
repo,
ref: `refs/heads/${branch}`,
sha: main.commit.sha,
});
const path = `seed/file_${i}`;
console.info(`Creating file ${path}`);
await client.repos.createOrUpdateFile({
owner,
repo,
branch,
content: Buffer.from(`Seed File ${i}`).toString('base64'),
message: `Create seed file ${i}`,
path,
});
const title = `Non CMS Pull Request ${i}`;
console.info(`Creating PR ${title}`);
await client.pulls.create({
owner,
repo,
base: 'main',
head: branch,
title,
});
});
} catch (e) {
console.error(e);
throw e;
}
return null;
}
module.exports = {
transformRecordedData,
setupGitHub,
teardownGitHub,
setupGitHubTest,
teardownGitHubTest,
seedGitHubRepo,
};