temp home for ghes-related logic

src/github.js

@@ -0,0 +1,134 @@
+"use strict";
+var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
+    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
+    return new (P || (P = Promise))(function (resolve, reject) {
+        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
+        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
+        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
+        step((generator = generator.apply(thisArg, _arguments || [])).next());
+    });
+};
+var __generator = (this && this.__generator) || function (thisArg, body) {
+    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
+    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
+    function verb(n) { return function (v) { return step([n, v]); }; }
+    function step(op) {
+        if (f) throw new TypeError("Generator is already executing.");
+        while (_) try {
+            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
+            if (y = 0, t) op = [op[0] & 2, t.value];
+            switch (op[0]) {
+                case 0: case 1: t = op; break;
+                case 4: _.label++; return { value: op[1], done: false };
+                case 5: _.label++; y = op[1]; op = [0]; continue;
+                case 7: op = _.ops.pop(); _.trys.pop(); continue;
+                default:
+                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
+                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
+                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
+                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
+                    if (t[2]) _.ops.pop();
+                    _.trys.pop(); continue;
+            }
+            op = body.call(thisArg, _);
+        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
+        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
+    }
+};
+exports.__esModule = true;
+exports.parseGitHubUrl = exports.getApiClient = exports.getPlatform = exports.GITHUB_DOTCOM_URL = exports.Platform = void 0;
+// Tons of code lifted from https://github.com/github/codeql-action!
+var path = require("path");
+var core = require("@actions/core");
+var githubUtils = require("@actions/github/lib/utils");
+var retry = require("@octokit/plugin-retry");
+var Platform;
+(function (Platform) {
+    Platform[Platform["DOTCOM"] = 0] = "DOTCOM";
+    Platform[Platform["GHES"] = 1] = "GHES";
+    Platform[Platform["GHAE"] = 2] = "GHAE";
+})(Platform = exports.Platform || (exports.Platform = {}));
+exports.GITHUB_DOTCOM_URL = 'https://github.com';
+var GITHUB_ENTERPRISE_VERSION_HEADER = 'x-github-enterprise-version';
+function getPlatform(url) {
+    return __awaiter(this, void 0, void 0, function () {
+        var apiClient, response;
+        return __generator(this, function (_a) {
+            switch (_a.label) {
+                case 0:
+                    // We can avoid making an API request in the standard dotcom case
+                    if (parseGitHubUrl(url) === exports.GITHUB_DOTCOM_URL) {
+                        return [2 /*return*/, Platform.DOTCOM];
+                    }
+                    apiClient = (0, exports.getApiClient)(url);
+                    return [4 /*yield*/, apiClient.rest.meta.get()];
+                case 1:
+                    response = _a.sent();
+                    if (response.headers[GITHUB_ENTERPRISE_VERSION_HEADER] === 'GitHub AE') {
+                        return [2 /*return*/, Platform.GHAE];
+                    }
+                    return [2 /*return*/, Platform.GHES];
+            }
+        });
+    });
+}
+exports.getPlatform = getPlatform;
+var getApiClient = function (url) {
+    var auth = core.getInput('repo-token', { required: true });
+    var retryingOctokit = githubUtils.GitHub.plugin(retry.retry);
+    return new retryingOctokit(githubUtils.getOctokitOptions(auth, {
+        baseUrl: getApiUrl(url)
+    }));
+};
+exports.getApiClient = getApiClient;
+function getApiUrl(githubUrl) {
+    var url = new URL(githubUrl);
+    // If we detect this is trying to connect to github.com
+    // then return with a fixed canonical URL.
+    if (url.hostname === 'github.com' || url.hostname === 'api.github.com') {
+        return 'https://api.github.com';
+    }
+    // Add the /api/v3 API prefix
+    url.pathname = path.join(url.pathname, 'api', 'v3');
+    return url.toString();
+}
+/**
+ * Parses user input of a github.com or GHES URL to a canonical form.
+ * Removes any API prefix or suffix if one is present.
+ */
+function parseGitHubUrl(inputUrl) {
+    var originalUrl = inputUrl;
+    if (inputUrl.indexOf('://') === -1) {
+        inputUrl = "https://".concat(inputUrl);
+    }
+    if (!inputUrl.startsWith('http://') && !inputUrl.startsWith('https://')) {
+        throw new Error("\"".concat(originalUrl, "\" is not a http or https URL"));
+    }
+    var url;
+    try {
+        url = new URL(inputUrl);
+    }
+    catch (e) {
+        throw new Error("\"".concat(originalUrl, "\" is not a valid URL"));
+    }
+    // If we detect this is trying to be to github.com
+    // then return with a fixed canonical URL.
+    if (url.hostname === 'github.com' || url.hostname === 'api.github.com') {
+        return exports.GITHUB_DOTCOM_URL;
+    }
+    // Remove the API prefix if it's present
+    if (url.pathname.indexOf('/api/v3') !== -1) {
+        url.pathname = url.pathname.substring(0, url.pathname.indexOf('/api/v3'));
+    }
+    // Also consider subdomain isolation on GHES
+    if (url.hostname.startsWith('api.')) {
+        url.hostname = url.hostname.substring(4);
+    }
+    // Normalise path to having a trailing slash for consistency
+    if (!url.pathname.endsWith('/')) {
+        url.pathname = "".concat(url.pathname, "/");
+    }
+    return url.toString();
+}
+exports.parseGitHubUrl = parseGitHubUrl;
+getPlatform(exports.GITHUB_DOTCOM_URL);