DevTools protocol interception, blocking & modification of requests

third_party/WebKit/Source/core/inspector/browser_protocol.json

Index: third_party/WebKit/Source/core/inspector/browser_protocol.json
diff --git a/third_party/WebKit/Source/core/inspector/browser_protocol.json b/third_party/WebKit/Source/core/inspector/browser_protocol.json
index a8edd99e01380b00c225eadaf99cedb99a5c02cd..1fdc86b2b12450769bad98ef00475e7cad77c686 100644
--- a/third_party/WebKit/Source/core/inspector/browser_protocol.json
+++ b/third_party/WebKit/Source/core/inspector/browser_protocol.json
@@ -1121,6 +1121,17 @@
                 "type": "string",
                 "description": "Unique request identifier."
             },
+            {
+                "id": "InterceptionId",
+                "type": "string",
+                "description": "Unique intercepted request identifier."
+            },
+            {
+                "id": "ErrorReason",
+                "type": "string",
+                "enum": ["Failed", "Aborted", "TimedOut", "AccessDenied", "ConnectionClosed", "ConnectionReset", "ConnectionRefused", "ConnectionAborted", "ConnectionFailed", "NameNotResolved", "InternetDisconnected", "AddressUnreachable"],
+                "description": "Network level fetch failure reason."
+            },
             {
                 "id": "Timestamp",
                 "type": "number",
@@ -1505,6 +1516,27 @@
                     { "name": "tableNames", "type": "array", "items": { "type": "string" } }
                 ],
                 "experimental": true
+            },
+            {
+                "name": "enableRequestInterception",
+                "parameters": [
+                    { "name": "enabled", "type": "boolean", "description": "Whether or not HTTP requests should be intercepted and Network.requestIntercepted events sent." }
+                ],
+                "experimental": true
+            },
+            {
+                "name": "continueInterceptedRequest",
+                "description": "Response to Network.requestIntercepted which either modifies the request to continue with any modifications, or blocks it, or completes it with the provided response bytes. If a network fetch occurs as a result which encounters a redirect an additional Network.requestIntercepted event will be sent with the same InterceptionId.",
+                "parameters": [
+                    { "name": "interceptionId", "$ref": "InterceptionId" },
+                    { "name": "errorReason", "$ref": "ErrorReason", "optional": true, "description": "If set this causes the request to fail with the given reason." },
+                    { "name": "rawResponse", "type": "string", "optional": true, "description": "If set the requests completes using with the provided base64 encoded raw response, including HTTP status line and headers etc..." },
+                    { "name": "url", "type": "string", "optional": true, "description": "If set the request url will be modified in a way that's not observable by page." },
+                    { "name": "method", "type": "string", "optional": true, "description": "If set this allows the request method to be overridden."},
+                    { "name": "postData", "type": "string", "optional": true, "description": "If set this allows postData to be set."},
+                    { "name": "headers", "$ref": "Headers", "optional": true, "description": "If set this allows the request headers to be changed."}
+                ],
+                "experimental": true
             }
         ],
         "events": [
@@ -1665,6 +1697,18 @@
                     { "name": "data", "type": "string", "description": "Message content." }
                 ],
                 "experimental": true
+            },
+            {
+                "name": "requestIntercepted",
+                "description": "Details of an intercepted HTTP request, which must be either allowed, blocked, modified or mocked.",
+                "parameters": [
+                    { "name": "InterceptionId", "$ref": "InterceptionId", "description": "Each request the page makes will have a unique id, however if any redirects are encountered while processing that fetch, they will be reported with the same id as the original fetch." },
+                    { "name": "request", "$ref": "Request" },
+                    { "name": "redirectHeaders", "$ref": "Headers", "optional": true, "description": "HTTP response headers, only sent if a redirect was intercepted." },
+                    { "name": "redirectStatusCode", "type": "integer", "optional": true, "description": "HTTP response code, only sent if a redirect was intercepted." },
+                    { "name": "redirectUrl", "optional": true, "type": "string", "description": "Redirect location, only sent if a redirect was intercepted."}
+                ],
+                "experimental": true 
             }
         ]
     },