-
Notifications
You must be signed in to change notification settings - Fork 0
/
index.js
672 lines (590 loc) · 21.5 KB
/
index.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
import express from "express";
import { createHmac } from "crypto";
import { Octokit } from "@octokit/rest";
import { gifHeight, gifWidth, getGifs, keySearchTerms } from "./utils/api.js";
import jwt from "jsonwebtoken";
import { createAppAuth } from "@octokit/auth-app";
// Load dotenv at the top of your file
import dotenv from "dotenv";
import path from "path";
import { fileURLToPath } from "url";
import { dirname } from "path";
const __filename = fileURLToPath(import.meta.url);
const __dirname = dirname(__filename);
// Configure dotenv
dotenv.config();
// Define keywords with proper regex patterns
const keywords = [
{ keyword: /bug/i, label: "bug" },
{ keyword: /error/i, label: "error" },
{ keyword: /fail/i, label: "failure" },
{ keyword: /crash/i, label: "crash" },
{ keyword: /feature/i, label: "enhancement" },
{ keyword: /improve/i, label: "enhancement" },
{ keyword: /refactor/i, label: "enhancement" },
{ keyword: /first issue/i, label: "good first issue" },
{ keyword: /beginner/i, label: "good first issue" },
];
const installationStore = new Map(); // Simple in-memory store
// Read the private key from the env
const privateKey = process.env.PKEY.replace(/\\n/g, "\n");
const appId = process.env.APP_ID; // Replace with your GitHub App ID
let jwtToken = generateJWT(appId, privateKey);
let tokenExpiration = Date.now() + 10 * 60 * 1000; // Set expiration time
// Generate the JWT
function generateJWT(appId, privateKey) {
const payload = {
iat: Math.floor(Date.now() / 1000) - 60, // Issued 1 minute ago
exp: Math.floor(Date.now() / 1000) + 10 * 60, // Expires in 10 minutes
iss: appId,
};
return jwt.sign(payload, privateKey, { algorithm: "RS256" });
}
// Function to renew JWT if needed
function renewJWTIfNeeded() {
const currentTime = Date.now();
// Check if the token is expired or will expire in the next 30 seconds
if (currentTime >= tokenExpiration - 30000) {
console.log("Renewing JWT...");
jwtToken = generateJWT(appId, privateKey);
tokenExpiration = currentTime + 10 * 60 * 1000;
console.log("JWT renewed successfully");
}
}
// Create an instance of Octokit
function createOctokitInstance(installationId) {
renewJWTIfNeeded(); // Renew JWT before creating Octokit instance if needed
return new Octokit({
authStrategy: createAppAuth,
auth: {
appId: appId,
privateKey: privateKey,
installationId: installationId,
},
});
}
function storeInstallation(installationId, repoData) {
installationStore.set(installationId, repoData);
}
function getRepoData(installationId) {
return installationStore.get(installationId);
}
async function handleInstallationEvent(payload) {
const installationId = payload.installation.id;
console.log(`Handling installation event for ID: ${installationId}`);
if (payload.action === "deleted") {
await cleanupInstallationData(installationId);
console.log(
`Installation ${installationId} has been deleted. Cleaned up resources.`
);
} else if (payload.action === "suspend") {
await suspendInstallation(installationId);
console.log(`Installation ${installationId} has been suspended.`);
} else if (payload.action === "unsuspend") {
await unsuspendInstallation(installationId);
console.log(`Installation ${installationId} has been unsuspended.`);
} else {
try {
// Create an Octokit instance with the installation ID
const octokit = createOctokitInstance(installationId);
// List repositories accessible to this installation
const { data } =
await octokit.rest.apps.listReposAccessibleToInstallation();
const repos = data.repositories;
storeInstallation(installationId, repos);
} catch (error) {
console.error(`Failed to handle installation event: ${error.message}`);
if (error.response) {
console.error(`GitHub API response: ${error.response.data.message}`);
}
}
}
}
const app = express();
app.use(express.json());
// Middleware to serve static files from the public directory
app.use(express.static(path.join(__dirname, "public")));
// Route to serve the index.html file
app.get("/", (req, res) => {
res.sendFile(path.join(__dirname, "views", "index.html"));
});
// Route to serve the privacy policy page
app.get("/privacypolicy", (req, res) => {
res.sendFile(path.join(__dirname, "views", "privacypolicy.html"));
});
// Verify the webhook signature
function verifySignature(req, res, buf) {
const signature = `sha256=${createHmac("sha256", process.env.WEBHOOK_SECRET)
.update(buf)
.digest("hex")}`;
if (req.headers["x-hub-signature-256"] !== signature) {
throw new Error("Invalid signature");
}
}
// Endpoint to handle webhook events
app.post(
"/webhook",
express.json({ verify: verifySignature }),
async (req, res) => {
const event = req.headers["x-github-event"];
console.log(`Received event: ${event}`);
const payload = req.body;
const installationId = payload.installation && payload.installation.id;
if (!installationId) {
console.error("Installation ID is missing from the payload.");
res.status(400).send("Installation ID is missing");
return;
}
console.log("Installation ID:", installationId);
switch (event) {
case "installation":
case "installation_repositories":
await handleInstallationEvent(payload);
storeInstallation(payload.installation.id, payload.repositories);
break;
case "pull_request":
await handlePullRequestEvent(payload);
break;
case "push":
await handlePushEvent(payload);
break;
case "issues":
await handleIssueEvent(payload);
break;
case "issue_comment":
await handleIssueCommentEvent(payload);
break;
// More cases here as needed
}
res.status(200).send("Webhook received");
}
);
// Function to clean up installation data
async function cleanupInstallationData(installationId) {
// Delete or archive data related to the installation from database
// Remove any associated webhooks or resources
// Remove the installation from your Map
if (installationStore.has(installationId)) {
installationStore.delete(installationId);
console.log(`Removed installation ID ${installationId} from the Map.`);
}
}
// Function to handle suspension
async function suspendInstallation(installationId) {
// Pause jobs or operations related to this installation
// Mark the installation as suspended in your Map
if (installationStore.has(installationId)) {
installationStore.set(installationId, {
...installationStore.get(installationId),
suspended: true,
});
console.log(`Marked installation ID ${installationId} as suspended.`);
}
}
// Function to handle unsuspension
async function unsuspendInstallation(installationId) {
// Resume jobs or operations related to this installation
// Re-enable the installation in your Map
if (installationStore.has(installationId)) {
installationStore.set(installationId, {
...installationStore.get(installationId),
suspended: false,
});
console.log(`Re-enabled installation ID ${installationId}.`);
}
}
async function handlePullRequestEvent(payload) {
const action = payload.action;
const merged = payload.pull_request.merged;
const mergeable_state = payload.pull_request.mergeable_state;
if (action === "opened") {
await handleEvent("pull request", payload);
} else if (action === "reopened") {
await handleEvent("pull request reopened", payload);
} else if (action === "closed" && merged) {
await handleEvent("merge successful", payload);
} else if (mergeable_state === "dirty") {
await handleEvent("merge conflict", payload);
} else if (action === "approved") {
await handleEvent("approved", payload);
}
}
async function handleBranchUpdated(payload, gifs) {
if (payload.ref) {
const branchName = payload.ref.split("/").pop();
const comment = generateComment(
`The branch **${branchName}** has been updated.`,
gifs
);
await postComment(payload, comment);
} else {
console.error("The 'ref' field is undefined in the payload.");
const comment = generateComment(
`😵 Oops! Something went wrong, the branch information couldn't be retrieved.`,
gifs
);
await postComment(payload, comment);
}
}
async function handlePushEvent(payload) {
if (payload.ref) {
const branch = payload.ref.split("/").pop();
if (branch.includes("main") || branch.includes("master")) {
await handleEvent("branch updated", payload);
} else {
if (payload.forced) {
await handleEvent("force push detected", payload);
}
if (branch.startsWith("feature/")) {
await handleEvent("feature branch updated", payload);
} else if (branch.startsWith("hotfix/")) {
await handleEvent("hotfix branch updated", payload);
}
}
}
}
async function handleNewIssue(payload, gifs) {
const currentIssue = payload.issue;
const similarIssues = await searchSimilarIssues(payload);
const keywords = [
{ keyword: "bug", label: "bug" },
{ keyword: "error", label: "error" },
{ keyword: "fail", label: "failure" },
{ keyword: "crash", label: "crash" },
{ keyword: "feature", label: "enhancement" },
{ keyword: "improve", label: "enhancement" },
{ keyword: "refactor", label: "enhancement" },
{ keyword: "first issue", label: "good first issue" },
{ keyword: "beginner", label: "good first issue" },
];
const lowerTitle = currentIssue.title.toLowerCase();
const lowerBody = (currentIssue.body || "").toLowerCase();
const foundKeyword = keywords.find((keywordObj) => {
const keyword = keywordObj.keyword.toLowerCase();
return lowerTitle.includes(keyword) || lowerBody.includes(keyword);
});
let similarIssuesCommented = false;
if (similarIssues && similarIssues.length > 0) {
const comment = `👉🏻 Similar issues found, please check: <br/>${similarIssues}`;
await postComment(payload, comment);
similarIssuesCommented = true;
}
if (foundKeyword) {
await autoLabelAndAssign(payload, foundKeyword.label);
if (!similarIssuesCommented) {
const comment = generateComment(
`😵 Oh no! A new issue spotted. Thank you for your contribution!`,
gifs
);
await postComment(payload, comment);
}
} else if (!similarIssuesCommented) {
const comment = generateComment(
`😵 Oh no! A new issue spotted. Thank you for your contribution!`,
gifs
);
await postComment(payload, comment);
await autoLabelAndAssign(payload, null);
}
}
async function handleNewPR(payload, gifs) {
const currentPR = payload.pull_request;
const similarPRs = await searchSimilarPRs(payload);
const keywords = [
{ keyword: "bug", label: "bug" },
{ keyword: "error", label: "error" },
{ keyword: "fail", label: "failure" },
{ keyword: "crash", label: "crash" },
{ keyword: "feature", label: "enhancement" },
{ keyword: "improve", label: "enhancement" },
{ keyword: "refactor", label: "enhancement" },
{ keyword: "first issue", label: "good first issue" },
{ keyword: "beginner", label: "good first issue" },
];
const lowerTitle = currentPR.title.toLowerCase();
const lowerBody = (currentPR.body || "").toLowerCase();
const foundKeyword = keywords.find((keywordObj) => {
const keyword = keywordObj.keyword.toLowerCase();
return lowerTitle.includes(keyword) || lowerBody.includes(keyword);
});
let similarPRsCommented = false;
if (similarPRs && similarPRs.length > 0) {
const comment = `👉🏻 Similar PRs found, please check: <br/>${similarPRs}`;
await postComment(payload, comment);
similarPRsCommented = true;
}
if (foundKeyword) {
await autoLabelAndAssign(payload, foundKeyword.label);
if (!similarPRsCommented) {
const comment = generateComment(
`🤝😁 Thankyou for your pull request!`,
gifs
);
await postComment(payload, comment);
}
} else if (!similarPRsCommented) {
const comment = generateComment(
`🤝😁 Thankyou for your pull request!`,
gifs
);
await postComment(payload, comment);
await autoLabelAndAssign(payload, null);
}
}
async function handleIssueEvent(payload) {
const action = payload.action;
if (action === "opened") {
await handleEvent("issue opened", payload);
} else if (action === "edited") {
} else if (action === "deleted") {
} else if (action === "transferred") {
} else if (action === "pinned") {
} else if (action === "unpinned") {
} else if (action === "reopened") {
await handleEvent("reopened issue", payload);
} else if (action === "closed") {
await handleEvent("issue resolved", payload);
} else if (action === "assigned") {
} else if (action === "unassigned") {
} else if (action === "labeled") {
} else if (action === "unlabeled") {
} else if (action === "locked") {
} else if (action === "unlocked") {
} else if (action === "milestoned") {
} else if (action === "demilestoned") {
}
}
//A comment on issue is created,edited or deleted
async function handleIssueCommentEvent(payload) {
const action = payload.action;
const commentBody = payload.comment ? payload.comment.body : null;
// Respond only to newly created comments
if (commentBody && action === "created") {
// Example logic: If the comment contains "fix", trigger "issue resolved"
if (commentBody.toLowerCase().includes("fix")) {
await handleEvent("issue resolved", payload);
}
// Example logic: If the comment contains "deploy", trigger "deployed"
if (commentBody.toLowerCase().includes("deploy")) {
await handleEvent("deployed", payload);
} else if (action === "edited") {
} else if (action === "deleted") {
}
}
}
//Actually getting gif from this function
async function getGifRes(randomTerm) {
return await getGifs(randomTerm);
}
//For all the cases described in permissions
async function handleEvent(searchKey, payload) {
let comment;
for (const entry of keySearchTerms) {
// Check if the search key exists in the current entry's key array
if (entry.key.includes(searchKey)) {
// Get a random term from the term array
const randomTerm =
entry.term[Math.floor(Math.random() * entry.term.length)];
const gifs = await getGifRes(randomTerm);
switch (searchKey) {
case "pull request":
await handleNewPR(payload, gifs);
break;
case "merge successful":
comment = `👌 The PR is merged.<br/><img src="${gifs}" width="${gifWidth}" alt="tenorGif" height="${gifHeight}"/>
> [Via Tenor](https://tenor.com/)`;
await postComment(payload, comment);
break;
case "merge conflict":
comment = `⚔️ Merge Conflict,please resolve it.<br/><img src="${gifs}" width="${gifWidth}" alt="tenorGif" height="${gifHeight}"/>
> [Via Tenor](https://tenor.com/)`;
await postComment(payload, comment);
break;
case "approved":
comment = `👍 Approved by admin/maintainer.</br><img src="${gifs}" width="${gifWidth}" alt="tenorGif" height="${gifHeight}"/>
> [Via Tenor](https://tenor.com/)`;
await postComment(payload, comment);
break;
case "issue resolved":
comment = `🎉🥳 Looks like issue resolved, feel free to reopen, if not.<br/><img src="${gifs}" width="${gifWidth}" alt="tenorGif" height="${gifHeight}"/>
> [Via Tenor](https://tenor.com/)`;
await postComment(payload, comment);
break;
case "issue opened":
await handleNewIssue(payload, gifs);
break;
case "reopened issue":
comment = `😨😱 This issue has been reopened.<br/><img src="${gifs}" width="${gifWidth}" alt="tenorGif" height="${gifHeight}"/>
> [Via Tenor](https://tenor.com/)`;
await postComment(payload, comment);
break;
case "branch updated":
await handleBranchUpdated(payload, gifs);
break;
}
}
}
}
// Function to search for similar issues
async function searchSimilarIssues(payload) {
try {
const installationId = payload.installation.id;
const owner = payload.repository.owner.login;
const repo = payload.repository.name;
const currentIssueNumber = payload.issue.number;
const searchTerm = payload.issue.title;
const octokit = createOctokitInstance(installationId);
const searchResponse = await octokit.search.issuesAndPullRequests({
q: `${searchTerm} repo:${owner}/${repo} is:issue`,
per_page: 5,
});
if (searchResponse.data.items.length > 0) {
// Filter out the current issue from the search results
const filteredIssues = searchResponse.data.items.filter(
(issue) => issue.number !== currentIssueNumber
);
return filteredIssues
.map((issue) => `#${issue.number} - ${issue.title}`)
.join("<br/>");
} else {
return [];
}
} catch (error) {
console.error("Error searching for similar issues:", error);
return null;
}
}
// Function to search for similar pull requests
async function searchSimilarPRs(payload) {
try {
const installationId = payload.installation.id;
const owner = payload.repository.owner.login;
const repo = payload.repository.name;
const currentPRNumber = payload.pull_request.number;
const searchTerm = payload.pull_request.title;
const octokit = createOctokitInstance(installationId);
const searchResponse = await octokit.search.issuesAndPullRequests({
q: `${searchTerm} repo:${owner}/${repo} is:pr`,
per_page: 5,
});
if (searchResponse.data.items.length > 0) {
// Filter out the current PR from the search results
const filteredPRs = searchResponse.data.items.filter(
(pr) => pr.number !== currentPRNumber
);
return filteredPRs
.map((pr) => `#${pr.number} - ${pr.title}`)
.join("<br/>");
} else {
return [];
}
} catch (error) {
console.error("Error searching for similar pull requests:", error);
return null;
}
}
async function postComment(payload, comment) {
try {
const installationId = payload.installation && payload.installation.id;
if (!installationId) {
console.error("Installation ID is missing from the payload.");
return;
}
const repoOwner = payload.repository.owner.login;
const repoName = payload.repository.name;
let issueNumber = null;
const octokit = createOctokitInstance(installationId);
if (payload.issue) {
issueNumber = payload.issue.number;
await octokit.issues.createComment({
owner: repoOwner,
repo: repoName,
issue_number: issueNumber,
body: comment,
});
console.log(
`Comment posted to issue #${issueNumber} in ${repoOwner}/${repoName}`
);
} else if (payload.pull_request) {
issueNumber = payload.pull_request.number;
await octokit.issues.createComment({
owner: repoOwner,
repo: repoName,
issue_number: issueNumber,
body: comment,
});
console.log(
`Comment posted to pull request #${issueNumber} in ${repoOwner}/${repoName}`
);
} else {
console.error("Issue or pull request number is missing.");
}
} catch (error) {
console.error(`Failed to post comment: ${error.message}`);
if (error.response) {
console.error(`GitHub API response: ${error.response.data.message}`);
}
}
}
async function autoLabelAndAssign(payload) {
const installationId = payload.installation.id;
const octokit = createOctokitInstance(installationId);
const title = payload.issue?.title || "";
const body = payload.issue?.body || "";
const number = payload.issue?.number; // Ensure issue number exists
const owner = payload.repository.owner.login;
const repo = payload.repository.name;
// Track labels to apply
const labelsToApply = new Set();
// Check if any keyword exists in title or body and add corresponding label
for (const { keyword, label } of keywords) {
if (keyword.test(title) || keyword.test(body)) {
labelsToApply.add(label);
}
}
if (labelsToApply.size > 0) {
// Apply the labels
await octokit.issues.addLabels({
owner: owner,
repo: repo,
issue_number: number,
labels: Array.from(labelsToApply),
});
// Assign the issue to a maintainer
const maintainer = await getCurrentMaintainer(owner, repo, installationId);
if (maintainer) {
await octokit.issues.addAssignees({
owner: owner,
repo: repo,
issue_number: number,
assignees: [maintainer],
});
}
}
}
async function getCurrentMaintainer(owner, repo, installationId) {
try {
// Get list of collaborators
const octokit = createOctokitInstance(installationId);
const collaborators = await octokit.repos.listCollaborators({
owner,
repo,
});
// Filter by permission and return the first maintainer found
const maintainer = collaborators.data.find(
(collab) => collab.permissions.admin || collab.permissions.push
);
return maintainer ? maintainer.login : null;
} catch (error) {
console.error("Error fetching maintainer:", error);
return null;
}
}
function generateComment(text, gifUrl) {
return `${text}<br/><img src="${gifUrl}" width="${gifWidth}" alt="tenorGif" height="${gifHeight}"/><br/> > [Via Tenor](https://tenor.com/)`;
}
setInterval(renewJWTIfNeeded, 60 * 1000); // Check JWT every minute
// Start the Express server
app.listen(process.env.PORT, () => {
console.log("Server is running on port 3000");
});