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implement a subsystem for loading backend API specs from user's browser
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42 changes: 42 additions & 0 deletions
42
resources/unpacked/devtools/front_end/sdk/InspectorBackendExtensionMode.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| WebInspector.InspectorBackendExtensionMode = {}; | ||
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| WebInspector.InspectorBackendExtensionMode.loadFromExtensionIfNeeded = function() { | ||
| if (InspectorBackend.isInitialized()) { | ||
| return; | ||
| } | ||
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| const evalAPI = (lines) => { | ||
| let lineNum = 0; | ||
| for (let line of lines) { | ||
| lineNum += 1; | ||
| if (dirac._DEBUG_BACKEND_API) { | ||
| console.log("BackendAPI: (eval) ", line); | ||
| } | ||
| try { | ||
| eval(line); | ||
| } catch (e) { | ||
| throw new Error("BackendAPI: unable to eval API at line #" + lineNum + ":\n" + " " + line + "\n" + e); | ||
| } | ||
| } | ||
| }; | ||
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| const backendAPI = Runtime.queryParam("backend_api"); | ||
| if (backendAPI) { | ||
| const decodedBackendAPI = decodeURIComponent(backendAPI); | ||
| const lines = decodedBackendAPI.split("\n"); | ||
| if (dirac._DEBUG_BACKEND_API) { | ||
| console.log("BackendAPI: backend_api url parameter present (" + lines.length + " registrations)."); | ||
| } | ||
| evalAPI(lines); | ||
| WebInspector.BakedInspectorBackendMode = "external"; | ||
| } else { | ||
| const lines = WebInspector.BakedInspectorBackendAPI.split("\n"); | ||
| if (dirac._DEBUG_BACKEND_API) { | ||
| console.log("BackendAPI: backend_api url parameter not present. Using pre-baked backend API (" + lines.length + " registrations)."); | ||
| } | ||
| evalAPI(lines); | ||
| WebInspector.BakedInspectorBackendMode = "internal"; | ||
| } | ||
| }; | ||
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| WebInspector.InspectorBackendExtensionMode.loadFromExtensionIfNeeded(); |
32 changes: 32 additions & 0 deletions
32
resources/unpacked/devtools/front_end/sdk/SupportedCSSPropertiesExtensionMode.js
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,32 @@ | ||
| WebInspector.SupportedCSSPropertiesExtensionMode = {}; | ||
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| WebInspector.SupportedCSSPropertiesExtensionMode.loadFromExtensionIfNeeded = function() { | ||
| const evalCSS = (definitions) => { | ||
| try { | ||
| eval("WebInspector.CSSMetadata._generatedProperties = " + definitions); | ||
| } catch (e) { | ||
| throw new Error("BackendCSS: unable to eval CSS" + e); | ||
| } | ||
| }; | ||
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| const encodedBackendCSS = Runtime.queryParam("backend_css"); | ||
| if (encodedBackendCSS) { | ||
| const backendCSS = decodeURIComponent(encodedBackendCSS); | ||
| const lines = backendCSS.split("\n"); | ||
| if (dirac._DEBUG_BACKEND_CSS) { | ||
| console.log("BackendCSS: backend_css url parameter present (" + lines.length + " definitions)."); | ||
| } | ||
| evalCSS(backendCSS); | ||
| WebInspector.BakedSupportedCSSPropertiesMode = "external"; | ||
| } else { | ||
| const backendCSS = WebInspector.BakedSupportedCSSProperties; | ||
| const lines = backendCSS.split("\n"); | ||
| if (dirac._DEBUG_BACKEND_CSS) { | ||
| console.log("BackendCSS: backend_css url parameter not present. Using pre-baked backend CSS (" + lines.length + " definitions)."); | ||
| } | ||
| evalCSS(backendCSS); | ||
| WebInspector.BakedSupportedCSSPropertiesMode = "internal"; | ||
| } | ||
| }; | ||
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| WebInspector.SupportedCSSPropertiesExtensionMode.loadFromExtensionIfNeeded(); |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
|
|
@@ -46,7 +46,9 @@ | |
| "storage", | ||
| "webRequest", | ||
| "http://*/json", | ||
| "<all_urls>", | ||
| "pageCapture", | ||
| "tabs" | ||
| ], | ||
| "manifest_version": 2 | ||
| } | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| (ns dirac.background.thief | ||
| (:require-macros [cljs.core.async.macros :refer [go go-loop]]) | ||
| (:require [cljs.core.async :refer [<! chan timeout]] | ||
| [chromex.support :refer-macros [oget oset ocall oapply]] | ||
| [chromex.logging :refer-macros [log info warn error group group-end]] | ||
| [chromex.ext.page-capture :as page-capture] | ||
| [dirac.mime :as mime] | ||
| [dirac.quoted-printable :as qp] | ||
| [goog.string :as gstring] | ||
| [dirac.utils :as utils] | ||
| [dirac.background.tools :as tools] | ||
| [clojure.string :as string])) | ||
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| ; -- inspector-js ----------------------------------------------------------------------------------------------------------- | ||
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| (defn extract-inspector-js [source] | ||
| (let [multipart (mime/parse-multipart-mime source) | ||
| _ (assert (= (count (:parts multipart)) 1)) | ||
| parsed-first-part (mime/parse-mime (first (:parts multipart))) | ||
| content-type (get (:headers parsed-first-part) "Content-Type") | ||
| _ (assert (= content-type "text/html")) | ||
| content-transfer-encoding (get (:headers parsed-first-part) "Content-Transfer-Encoding") | ||
| _ (assert (= content-transfer-encoding "quoted-printable")) | ||
| encoded-body (:body parsed-first-part)] | ||
| (case content-transfer-encoding | ||
| "quoted-printable" (qp/decode-quoted-printable encoded-body)))) | ||
|
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| ; -- backend api ------------------------------------------------------------------------------------------------------------ | ||
|
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| (defn extract-backend-api [inspector-js-source] | ||
| (let [re (js/RegExp. ";InspectorBackend\\.register(.*?)\\)" "gm") | ||
| res #js []] | ||
| (loop [] | ||
| (when-let [m (.exec re inspector-js-source)] | ||
| (.push res (.substring (first m) 1)) | ||
| (recur))) | ||
| (.join res "\n"))) | ||
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| (defn steal-inspector-js [multipart-mime] | ||
| (-> multipart-mime | ||
| (gstring/canonicalizeNewlines) | ||
| (extract-inspector-js))) | ||
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| (defn steal-backend-api [inspector-js] | ||
| (-> inspector-js | ||
| (extract-backend-api))) | ||
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| ; -- backend css ------------------------------------------------------------------------------------------------------------ | ||
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| (defn extract-backend-css [inspector-js-source] | ||
| (let [re (js/RegExp. ";WebInspector\\.CSSMetadata\\._generatedProperties=(\\[.*\\])" "g")] | ||
| (if-let [m (re-find re inspector-js-source)] | ||
| (second m)))) | ||
|
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| (defn insert-css-newlines [source] | ||
| (string/replace source "}," "},\n")) | ||
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| (defn steal-backend-css [inspector-js] | ||
| (-> inspector-js | ||
| (extract-backend-css) | ||
| (insert-css-newlines))) | ||
|
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| ; -- robbery entry point ---------------------------------------------------------------------------------------------------- | ||
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| (defn scrape-bundled-devtools! [] | ||
| (go | ||
| (let [tab-id (<! (tools/create-bundled-devtools-inspector-window!)) | ||
| [mhtml] (<! (page-capture/save-as-mhtml (js-obj "tabId" tab-id))) | ||
| _ (tools/close-tab-with-id! tab-id) | ||
| multipart-mime (<! (utils/convert-blob-to-string mhtml)) | ||
| inspector-js (steal-inspector-js multipart-mime) | ||
| backend-api (steal-backend-api inspector-js) | ||
| backend-css (steal-backend-css inspector-js)] | ||
| [backend-api backend-css]))) | ||
|
|
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