Fix CVE-2020-15228

Signed-off-by: CrazyMax <crazy-max@users.noreply.github.com>

dist/index.js

@@ -1261,6 +1261,8 @@ var __importStar = (this && this.__importStar) || function (mod) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 const command_1 = __webpack_require__(351);
+const file_command_1 = __webpack_require__(717);
+const utils_1 = __webpack_require__(278);
 const os = __importStar(__webpack_require__(87));
 const path = __importStar(__webpack_require__(622));
 /**
@@ -1287,9 +1289,17 @@ var ExitCode;
  */
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 function exportVariable(name, val) {
-    const convertedVal = command_1.toCommandValue(val);
+    const convertedVal = utils_1.toCommandValue(val);
     process.env[name] = convertedVal;
+    const filePath = process.env['GITHUB_ENV'] || '';
+    if (filePath) {
+        const delimiter = '_GitHubActionsFileCommandDelimeter_';
+        const commandValue = `${name}<<${delimiter}${os.EOL}${convertedVal}${os.EOL}${delimiter}`;
+        file_command_1.issueCommand('ENV', commandValue);
+    }
+    else {
         command_1.issueCommand('set-env', { name }, convertedVal);
+    }
 }
 exports.exportVariable = exportVariable;
 /**
@@ -1305,7 +1315,13 @@ exports.setSecret = setSecret;
  * @param inputPath
  */
 function addPath(inputPath) {
+    const filePath = process.env['GITHUB_PATH'] || '';
+    if (filePath) {
+        file_command_1.issueCommand('PATH', inputPath);
+    }
+    else {
         command_1.issueCommand('add-path', {}, inputPath);
+    }
     process.env['PATH'] = `${inputPath}${path.delimiter}${process.env['PATH']}`;
 }
 exports.addPath = addPath;
@@ -1475,6 +1491,32 @@ const lt = (a, b, loose) => compare(a, b, loose) < 0
 module.exports = lt
 
 
+/***/ }),
+
+/***/ 278:
+/***/ (function(__unusedmodule, exports) {
+
+"use strict";
+
+// We use any as a valid input type
+/* eslint-disable @typescript-eslint/no-explicit-any */
+Object.defineProperty(exports, "__esModule", { value: true });
+/**
+ * Sanitizes an input into a string so it can be passed into issueCommand safely
+ * @param input input to sanitize into a string
+ */
+function toCommandValue(input) {
+    if (input === null || input === undefined) {
+        return '';
+    }
+    else if (typeof input === 'string' || input instanceof String) {
+        return input;
+    }
+    return JSON.stringify(input);
+}
+exports.toCommandValue = toCommandValue;
+//# sourceMappingURL=utils.js.map
+
 /***/ }),
 
 /***/ 293:
@@ -1568,6 +1610,7 @@ var __importStar = (this && this.__importStar) || function (mod) {
 };
 Object.defineProperty(exports, "__esModule", { value: true });
 const os = __importStar(__webpack_require__(87));
+const utils_1 = __webpack_require__(278);
 /**
  * Commands
  *
@@ -1621,28 +1664,14 @@ class Command {
         return cmdStr;
     }
 }
-/**
- * Sanitizes an input into a string so it can be passed into issueCommand safely
- * @param input input to sanitize into a string
- */
-function toCommandValue(input) {
-    if (input === null || input === undefined) {
-        return '';
-    }
-    else if (typeof input === 'string' || input instanceof String) {
-        return input;
-    }
-    return JSON.stringify(input);
-}
-exports.toCommandValue = toCommandValue;
 function escapeData(s) {
-    return toCommandValue(s)
+    return utils_1.toCommandValue(s)
         .replace(/%/g, '%25')
         .replace(/\r/g, '%0D')
         .replace(/\n/g, '%0A');
 }
 function escapeProperty(s) {
-    return toCommandValue(s)
+    return utils_1.toCommandValue(s)
         .replace(/%/g, '%25')
         .replace(/\r/g, '%0D')
         .replace(/\n/g, '%0A')
@@ -2845,6 +2874,42 @@ const toComparators = (range, options) =>
 module.exports = toComparators
 
 
+/***/ }),
+
+/***/ 717:
+/***/ (function(__unusedmodule, exports, __webpack_require__) {
+
+"use strict";
+
+// For internal use, subject to change.
+var __importStar = (this && this.__importStar) || function (mod) {
+    if (mod && mod.__esModule) return mod;
+    var result = {};
+    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
+    result["default"] = mod;
+    return result;
+};
+Object.defineProperty(exports, "__esModule", { value: true });
+// We use any as a valid input type
+/* eslint-disable @typescript-eslint/no-explicit-any */
+const fs = __importStar(__webpack_require__(747));
+const os = __importStar(__webpack_require__(87));
+const utils_1 = __webpack_require__(278);
+function issueCommand(command, message) {
+    const filePath = process.env[`GITHUB_${command}`];
+    if (!filePath) {
+        throw new Error(`Unable to find environment variable for file command ${command}`);
+    }
+    if (!fs.existsSync(filePath)) {
+        throw new Error(`Missing file at path: ${filePath}`);
+    }
+    fs.appendFileSync(filePath, `${utils_1.toCommandValue(message)}${os.EOL}`, {
+        encoding: 'utf8'
+    });
+}
+exports.issueCommand = issueCommand;
+//# sourceMappingURL=file-command.js.map
+
 /***/ }),
 
 /***/ 741:

package.json

@@ -27,7 +27,7 @@
   ],
   "license": "MIT",
   "dependencies": {
-    "@actions/core": "^1.2.5",
+    "@actions/core": "^1.2.6",
     "@actions/exec": "^1.0.4",
     "@actions/io": "^1.0.2",
     "semver": "^7.3.2"

yarn.lock

@@ -2,10 +2,10 @@
 # yarn lockfile v1
 
 
-"@actions/core@^1.2.5":
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.2.5.tgz#fa57bf8c07a38191e243beb9ea9d8368c1cb02c8"
-  integrity sha512-mwpoNjHSWWh0IiALdDEQi3tru124JKn0yVNziIBzTME8QRv7thwoghVuT1jBRjFvdtoHsqD58IRHy1nf86paRg==
+"@actions/core@^1.2.6":
+  version "1.2.6"
+  resolved "https://registry.yarnpkg.com/@actions/core/-/core-1.2.6.tgz#a78d49f41a4def18e88ce47c2cac615d5694bf09"
+  integrity sha512-ZQYitnqiyBc3D+k7LsgSBmMDVkOVidaagDG7j3fOym77jNunWRuYx7VSHa9GNfFZh+zh61xsCjRj4JxMZlDqTA==
 
 "@actions/exec@^1.0.4":
   version "1.0.4"