From bc817a638d4ddfff0d5f05b51453c6ca790b24ec Mon Sep 17 00:00:00 2001
From: Sebastian <sebasjm@gmail.com>
Date: Sun, 16 Jan 2022 17:54:48 -0300
Subject: #7120 manifest v3: first iteration working

new permission needed: scripting
chrome.browserAction -> chrome.action
webRequestBlocking is not possible anymore
chrome.extension.getUrl -> chrome.runtime.getUrl
new serviceWorkerHttpLib: using fetch
new serviceWorkerCryptoWorkerFactory: using syncCryptoImpl
few other minor changes

still missing some other changes like migrating setTimeout to chrome.alarms api
---
 .../src/serviceWorkerHttpLib.ts                    | 146 +++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 packages/taler-wallet-webextension/src/serviceWorkerHttpLib.ts

(limited to 'packages/taler-wallet-webextension/src/serviceWorkerHttpLib.ts')

diff --git a/packages/taler-wallet-webextension/src/serviceWorkerHttpLib.ts b/packages/taler-wallet-webextension/src/serviceWorkerHttpLib.ts
new file mode 100644
index 000000000..f8953f73f
--- /dev/null
+++ b/packages/taler-wallet-webextension/src/serviceWorkerHttpLib.ts
@@ -0,0 +1,146 @@
+/*
+ This file is part of GNU Taler
+ (C) 2020 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+/**
+ * Imports.
+ */
+import { Logger, TalerErrorCode } from "@gnu-taler/taler-util";
+import {
+  Headers, HttpRequestLibrary,
+  HttpRequestOptions,
+  HttpResponse,
+  OperationFailedError
+} from "@gnu-taler/taler-wallet-core";
+
+const logger = new Logger("browserHttpLib");
+
+/**
+ * An implementation of the [[HttpRequestLibrary]] using the
+ * browser's XMLHttpRequest.
+ */
+export class ServiceWorkerHttpLib implements HttpRequestLibrary {
+  async fetch(requestUrl: string, options?: HttpRequestOptions): Promise<HttpResponse> {
+    const requestMethod = options?.method ?? "GET";
+    const requestBody = options?.body;
+    const requestHeader = options?.headers;
+
+    const response = await fetch(requestUrl, {
+      headers: requestHeader,
+      body: requestBody,
+      method: requestMethod,
+      // timeout: options?.timeout
+    })
+
+    const headerMap = new Headers();
+    response.headers.forEach(addLineToMap(headerMap));
+
+    return {
+      headers: headerMap,
+      status: response.status,
+      requestMethod,
+      requestUrl,
+      json: makeJsonHandler(response, requestUrl),
+      text: makeTextHandler(response, requestUrl),
+      bytes: async () => (await response.blob()).arrayBuffer(),
+    }
+
+  }
+
+
+  get(url: string, opt?: HttpRequestOptions): Promise<HttpResponse> {
+    return this.fetch(url, {
+      method: "GET",
+      ...opt,
+    });
+  }
+
+  postJson(
+    url: string,
+    body: any,
+    opt?: HttpRequestOptions,
+  ): Promise<HttpResponse> {
+    return this.fetch(url, {
+      method: "POST",
+      body: JSON.stringify(body),
+      ...opt,
+    });
+  }
+
+  stop(): void {
+    // Nothing to do
+  }
+}
+
+function makeTextHandler(response: Response, requestUrl: string) {
+  return async function getJsonFromResponse(): Promise<any> {
+    let respText;
+    try {
+      respText = await response.text()
+    } catch (e) {
+      throw OperationFailedError.fromCode(
+        TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE,
+        "Invalid JSON from HTTP response",
+        {
+          requestUrl,
+          httpStatusCode: response.status,
+        },
+      );
+    }
+    return respText
+  }
+}
+
+function makeJsonHandler(response: Response, requestUrl: string) {
+  return async function getJsonFromResponse(): Promise<any> {
+    let responseJson;
+    try {
+      responseJson = await response.json()
+    } catch (e) {
+      throw OperationFailedError.fromCode(
+        TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE,
+        "Invalid JSON from HTTP response",
+        {
+          requestUrl,
+          httpStatusCode: response.status,
+        },
+      );
+    }
+    if (responseJson === null || typeof responseJson !== "object") {
+      throw OperationFailedError.fromCode(
+        TalerErrorCode.WALLET_RECEIVED_MALFORMED_RESPONSE,
+        "Invalid JSON from HTTP response",
+        {
+          requestUrl,
+          httpStatusCode: response.status,
+        },
+      );
+    }
+    return responseJson
+  }
+}
+
+function addLineToMap(map: { set(k: string, v: string): void }) {
+  return (line: string) => {
+    const parts = line.split(": ");
+    const headerName = parts.shift();
+    if (!headerName) {
+      logger.warn("skipping invalid header");
+      return;
+    }
+    const value = parts.join(": ");
+    map.set(headerName, value);
+  }
+}
\ No newline at end of file
-- 
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