From 4a60504e1aae90620765a825da386637d2c861b3 Mon Sep 17 00:00:00 2001
From: jiriks74 <jiri@stefka.eu>
Date: Sun, 15 Dec 2024 19:23:00 +0100
Subject: [PATCH] feat: Handle API URLs for Forgejo, Gitea, GitLab and GitHub

---
 dist/index.js | 45 +++++++++++++++++++++++++++++++++++++++------
 1 file changed, 39 insertions(+), 6 deletions(-)

diff --git a/dist/index.js b/dist/index.js
index 8cbfb72..92791d3 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -1277,18 +1277,51 @@ const ERROR_PR_ALREADY_EXISTS = 'A pull request already exists for';
 const ERROR_PR_REVIEW_TOKEN_SCOPE = 'Validation Failed: "Could not resolve to a node with the global id of';
 const ERROR_PR_FORK_COLLAB = `Fork collab can't be granted by someone without permission`;
 const blobCreationLimit = (0, p_limit_1.default)(8);
+function determineApiBaseUrl(hostname) {
+    if (hostname === 'github.com') {
+        return "https://api.github.com";
+    }
+
+    const baseUrl = `https://${hostname}`;
+    const possiblePaths = ['/api/v4/version', '/api/forgejo/v1/version', '/api/v1/version'];
+
+    for (const path of possiblePaths) {
+        try {
+            const url = `${baseUrl}${path}`;
+            const xhr = new XMLHttpRequest();
+            xhr.open('GET', url, false);
+            xhr.setRequestHeader('Accept', 'application/json');
+            xhr.send();
+
+            if (xhr.status === 200 || xhr.status === 401 || xhr.status === 403) {
+                const contentType = xhr.getResponseHeader('Content-Type') || '';
+                if (contentType.includes('application/json')) {
+                    return path.includes('/version') ? url.replace('/version', '') : url;
+                }
+            }
+        } catch (error) {
+            // Ignore errors and try the next path
+        }
+    }
+
+    throw new Error(`Unable to determine API base URL for hostname: ${hostname}`);
+}
+
 class GitHubHelper {
     constructor(githubServerHostname, token) {
         const options = {};
         if (token) {
             options.auth = `${token}`;
         }
-        if (githubServerHostname !== 'github.com') {
-            options.baseUrl = `https://${githubServerHostname}/api/v1`;
-        }
-        else {
-            options.baseUrl = 'https://api.github.com';
+        try {
+            options.baseUrl = await determineApiBaseUrl(githubServerHostname);
+            core.info(`Valid API URL detected: ${apiBaseUrl}`);
+        } catch (error) {
+            console.error(error.message);
+            process.exit(1); // Exit with an error code if no API path is found
         }
+        core.info(`baseUrl: ${options.baseUrl}`);
+
         options.throttle = octokit_client_1.throttleOptions;
         this.octokit = new octokit_client_1.Octokit(options);
     }
@@ -36020,4 +36053,4 @@ function validateConcurrency(concurrency) {
 /******/ 	module.exports = __webpack_exports__;
 /******/ 	
 /******/ })()
-;
\ No newline at end of file
+;