Merge pull request #326 from sasjs/isUrl-fix

chore(deps-dev): bump @types/jest from 26.0.20 to 26.0.22

package.json

@@ -36,31 +36,31 @@
   },
   "license": "ISC",
   "devDependencies": {
-    "@types/jest": "^26.0.20",
+    "@types/jest": "^26.0.22",
     "cp": "^0.2.0",
     "dotenv": "^8.2.0",
     "jest": "^26.6.3",
     "jest-extended": "^0.11.5",
     "path": "^0.12.7",
     "rimraf": "^3.0.2",
-    "semantic-release": "^17.4.1",
+    "semantic-release": "^17.4.2",
     "terser-webpack-plugin": "^4.2.3",
     "ts-jest": "^25.5.1",
-    "ts-loader": "^8.0.17",
+    "ts-loader": "^8.1.0",
     "tslint": "^6.1.3",
     "tslint-config-prettier": "^1.18.0",
-    "typedoc": "^0.20.30",
+    "typedoc": "^0.20.35",
     "typedoc-neo-theme": "^1.1.0",
     "typedoc-plugin-external-module-name": "^4.0.6",
     "typescript": "^3.9.9",
-    "webpack": "^5.24.4",
+    "webpack": "^5.33.2",
     "webpack-cli": "^4.5.0"
   },
   "main": "index.js",
   "dependencies": {
-    "@sasjs/utils": "^2.6.3",
+    "@sasjs/utils": "^2.10.2",
     "axios": "^0.21.1",
-    "form-data": "^3.0.0",
+    "form-data": "^4.0.0",
     "https": "^1.0.0"
   }
 }

src/SASjs.ts

@@ -12,6 +12,7 @@ import {
   ComputeJobExecutor,
   JesJobExecutor
 } from './job-execution'
+import { ErrorResponse } from './types/errors'
 
 const defaultConfig: SASjsConfig = {
   serverUrl: '',
@@ -709,9 +710,27 @@ export default class SASjs {
    * @param accessToken - an access token for an authorized user.
    */
   public async fetchLogFileContent(logUrl: string, accessToken?: string) {
-    return await this.requestClient!.get(logUrl, accessToken).then((res) =>
+    return await this.requestClient!.get(logUrl, accessToken).then((res) => {
-      JSON.stringify(res.result)
+      if (!res)
+        return Promise.reject(
+          new ErrorResponse(
+            'Error while fetching log. Response was not provided.'
           )
+        )
+
+      try {
+        const result = JSON.stringify(res.result)
+
+        return result
+      } catch (err) {
+        return Promise.reject(
+          new ErrorResponse(
+            'Error while fetching log. The result is not valid.',
+            err
+          )
+        )
+      }
+    })
   }
 
   public getSasRequests() {

src/test/utils/isUrl.spec.ts

@@ -0,0 +1,39 @@
+import { isUrl } from '../../utils/isUrl'
+
+describe('urlValidator', () => {
+  it('should return true with an HTTP URL', () => {
+    const url = 'http://google.com'
+
+    expect(isUrl(url)).toEqual(true)
+  })
+
+  it('should return true with an HTTPS URL', () => {
+    const url = 'https://google.com'
+
+    expect(isUrl(url)).toEqual(true)
+  })
+
+  it('should return true when the URL is blank', () => {
+    const url = ''
+
+    expect(isUrl(url)).toEqual(false)
+  })
+
+  it('should return false when the URL has not supported protocol', () => {
+    const url = 'htpps://google.com'
+
+    expect(isUrl(url)).toEqual(false)
+  })
+
+  it('should return false when the URL is null', () => {
+    const url = null
+
+    expect(isUrl((url as unknown) as string)).toEqual(false)
+  })
+
+  it('should return false when the URL is undefined', () => {
+    const url = undefined
+
+    expect(isUrl((url as unknown) as string)).toEqual(false)
+  })
+})

src/utils/isUrl.ts

@@ -1,16 +1,17 @@
 /**
  * Checks if string is in URL format.
- * @param url - string to check.
+ * @param str - string to check.
  */
-export const isUrl = (url: string): boolean => {
+export const isUrl = (str: string): boolean => {
-  const pattern = new RegExp(
+  const supportedProtocols = ['http:', 'https:']
-    '^(http://|https://)[a-z0-9]+([-.]{1}[a-z0-9]+)*.[a-z]{2,5}(:[0-9]{1,5})?(/.*)?$',
-    'gi'
-  )
 
-  if (pattern.test(url)) return true
+  try {
-  else
+    const url = new URL(str)
-    throw new Error(
+
-      `'${url}' is not a valid url. An example of a valid url is 'http://valid-url.com'.`
+    if (!supportedProtocols.includes(url.protocol)) return false
-    )
+  } catch (_) {
+    return false
+  }
+
+  return true
 }