Merge pull request #1829 from pdparchitect/javascript-env

Detect javascript environment configs.

exposures/configs/javascript-env.yaml

@@ -0,0 +1,44 @@
+id: javascript-env
+
+info:
+  name: JavaScript Environment Config
+  author: pdp
+  severity: low
+  description: Detects common JavaScript environment configuration files.
+  tags: javascript,config,exposure
+
+requests:
+  - method: GET
+    path:
+      - "{{BaseURL}}/env.js"
+      - "{{BaseURL}}/env.development.js"
+      - "{{BaseURL}}/env.production.js"
+      - "{{BaseURL}}/env.test.js"
+      - "{{BaseURL}}/env.dev.js"
+      - "{{BaseURL}}/env.prod.js"
+
+    matchers-condition: and
+    matchers:
+
+      - type: status
+        status:
+          - 200
+
+      - type: dsl
+        part: header
+        dsl:
+          - "contains(tolower(all_headers), 'content-type: application/javascript')"
+
+      - type: word
+        part: body
+        words:
+          - "module.exports"
+          - "const audience"
+          - "const domain"
+          - "NODE_ENV"
+          - "LOG_LEVEL"
+          - "TOKEN"
+          - "KEY"
+          - "PASSWORD"
+          - "VERSION"
+        condition: or