implement limitations and restrictions

src/schemas/json/declarative-net-request-ruleset.json

@@ -184,6 +184,30 @@
           "description": "tabs.TAB_ID_NONE\n\nhttps://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/tabs/TAB_ID_NONE"
         }
       ]
+    },
+    "chromeAppendableHeader": {
+      "enum": [
+        "Accept",
+        "Accept-Encoding",
+        "Accept-Language",
+        "Access-Control-Request-Headers",
+        "Cache-Control",
+        "Connection",
+        "Content-Language",
+        "Cookie",
+        "Forwarded",
+        "If-Match",
+        "If-None-Match",
+        "Keep-Alive",
+        "Range",
+        "Te",
+        "Trailer",
+        "Transfer-Encoding",
+        "Upgrade",
+        "Via",
+        "Want-Digest",
+        "X-Forwarded-For"
+      ]
     }
   },
   "items": {
@@ -519,17 +543,56 @@
             "required": ["header", "operation"],
             "properties": {
               "header": {
-                "type": "string",
-                "description": "The name of the header to be modified.\n\nhttps://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/ModifyHeaderInfo#header"
+                "anyOf": [
+                  {
+                    "type": "string",
+                    "description": "The name of the header to be modified.\n\nhttps://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/ModifyHeaderInfo#header"
+                  },
+                  {
+                    "$ref": "#/definitions/chromeAppendableHeader"
+                  }
+                ]
               },
               "operation": {
                 "type": "string",
                 "description": "The operation to be performed on a header.\n\nhttps://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/ModifyHeaderInfo#operation",
                 "enum": ["append", "set", "remove"]
+              }
+            },
+            "if": {
+              "not": {
+                "properties": {
+                  "operation": {
+                    "const": "remove"
+                  }
+                }
+              }
+            },
+            "then": {
+              "properties": {
+                "value": {
+                  "type": "string",
+                  "description": "The new value for the header. Must be specified for append and set operations.\n\nhttps://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/ModifyHeaderInfo#value"
+                }
               },
-              "value": {
-                "type": "string",
-                "description": "The new value for the header. Must be specified for append and set operations. Not allowed for the \"remove\" operation.\n\nhttps://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/ModifyHeaderInfo#value"
+              "if": {
+                "properties": {
+                  "operation": {
+                    "const": "append"
+                  },
+                  "header": {
+                    "not": {
+                      "$ref": "#/definitions/chromeAppendableHeader"
+                    }
+                  }
+                }
+              },
+              "then": {
+                "properties": {
+                  "header": {
+                    "description": "The new value for the header. Must be specified for append and set operations.\n\nNote:This operation is not supported for this header by chrome. See https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/ModifyHeaderInfo#header_limits.\n\nhttps://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/API/declarativeNetRequest/ModifyHeaderInfo#value"
+                  }
+                }
               }
             }
           }