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<!DOCTYPE HTML>
<html>
<head>
  <title>Test tabs.sendMessage</title>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <script src="/tests/SimpleTest/ExtensionTestUtils.js"></script>
  <script type="text/javascript" src="head.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<script>
"use strict";

const {
  WebExtensionPolicy
} = SpecialPowers.Cu.getGlobalForObject(SpecialPowers.Services);

add_task(async function test_tabs_sendMessage_to_extension_page_frame() {
  let extension = ExtensionTestUtils.loadExtension({
    manifest: {
      content_scripts: [{
        matches: ["http://mochi.test/*/file_sample.html?tabs.sendMessage"],
        js: ["cs.js"],
      }],
      web_accessible_resources: ["page.html", "page.js"],
    },

    async background() {
      let tab;

      browser.runtime.onMessage.addListener(async (msg, sender) => {
        browser.test.assertEq(msg, "page-script-ready");
        browser.test.assertEq(sender.url, browser.runtime.getURL("page.html"));
        browser.test.assertEq(
          sender.origin,
          new URL(browser.runtime.getURL("/")).origin
        );

        let tabId = sender.tab.id;
        let response = await browser.tabs.sendMessage(tabId, "tab-sendMessage");

        switch (response) {
          case "extension-tab":
            browser.test.assertEq(tab.id, tabId, "Extension tab responded");
            browser.test.assertEq(sender.frameId, 0, "Response from top level");
            await browser.tabs.remove(tab.id);
            browser.test.sendMessage("extension-tab-responded");
            break;

          case "extension-frame":
            browser.test.assertTrue(sender.frameId > 0, "Response from iframe");
            browser.test.sendMessage("extension-frame-responded");
            break;

          default:
            browser.test.fail("Unexpected response: " + response);
        }
      });

      tab = await browser.tabs.create({ url: "page.html" });
    },

    files: {
      "cs.js"() {
        let iframe = document.createElement("iframe");
        iframe.src = browser.runtime.getURL("page.html");
        document.body.append(iframe);
        browser.test.sendMessage("content-script-done");
      },

      "page.html": `<!DOCTYPE html>
        <meta charset=utf-8>
        <script src=page.js><\/script>
        Extension page`,

      "page.js"() {
        browser.runtime.onMessage.addListener(async msg => {
          browser.test.assertEq(msg, "tab-sendMessage");
          return window.parent === window ? "extension-tab" : "extension-frame";
        });
        browser.runtime.sendMessage("page-script-ready");
      },
    }
  });

  await extension.startup();
  await extension.awaitMessage("extension-tab-responded");

  let win = window.open("file_sample.html?tabs.sendMessage");
  await extension.awaitMessage("content-script-done");
  await extension.awaitMessage("extension-frame-responded");
  win.close();

  await extension.unload();
});

add_task(async function test_tabs_sendMessage_using_frameId() {
  let extension = ExtensionTestUtils.loadExtension({
    manifest: {
      content_scripts: [
        {
          matches: ["http://mochi.test/*/file_contains_iframe.html"],
          run_at: "document_start",
          js: ["cs_top.js"],
        },
        {
          matches: ["http://example.org/*/file_contains_img.html"],
          js: ["cs_iframe.js"],
          all_frames: true,
        },
      ],
    },

    background() {
      browser.runtime.onMessage.addListener(async (msg, sender) => {
        let { tab, frameId } = sender;
        browser.test.assertEq(msg, "cs_iframe_ready", "Iframe cs ready.");
        browser.test.assertTrue(frameId > 0, "Not from the top frame.");

        let response = await browser.tabs.sendMessage(tab.id, "msg");
        browser.test.assertEq(response, "cs_top", "Top cs responded first.");

        response = await browser.tabs.sendMessage(tab.id, "msg", { frameId });
        browser.test.assertEq(response, "cs_iframe", "Iframe cs reponded.");

        browser.test.sendMessage("done");
      });
      browser.test.sendMessage("ready");
    },

    files: {
      "cs_top.js"() {
        browser.test.log("Top content script loaded.")
        browser.runtime.onMessage.addListener(async () => "cs_top");
      },
      "cs_iframe.js"() {
        browser.test.log("Iframe content script loaded.")
        browser.runtime.onMessage.addListener((msg, sender, sendResponse) => {
          browser.test.log("Iframe content script received message.")
          setTimeout(() => sendResponse("cs_iframe"), 100);
          return true;
        });
        browser.runtime.sendMessage("cs_iframe_ready");
      },
    },
  });

  await extension.startup();
  await extension.awaitMessage("ready");

  let win = window.open("file_contains_iframe.html");
  await extension.awaitMessage("done");
  win.close();

  await extension.unload();
});

add_task(async function test_tabs_sendMessage_aboutBlank() {
  const PATH = "tests/toolkit/components/extensions/test/mochitest/file_with_about_blank.html";

  let extension = ExtensionTestUtils.loadExtension({
    manifest: {
      content_scripts: [
        {
          match_about_blank: true,
          matches: ["*://mochi.test/*/file_with_about_blank.html"],
          all_frames: true,
          js: ["cs.js"],
        },
      ],
    },

    background() {
      browser.runtime.onMessage.addListener((msg, { url, origin }) => {
        browser.test.assertEq("cs", msg, "expected message from cs.js");

        const kind = url.startsWith("about:") ? url : "top";
        switch (kind) {
          case "top":
            browser.test.assertTrue(
              url.endsWith("/file_with_about_blank.html"),
              "expected correct url"
            );
            browser.test.assertEq(
              "http://mochi.test:8888",
              origin,
              "expected correct origin"
            );
            break;

          case "about:blank":
            browser.test.assertEq("about:blank", url, "expected correct url");
            browser.test.assertEq(
              "http://mochi.test:8888",
              origin,
              "expected correct origin"
            );
            break;

          case "about:srcdoc":
            browser.test.assertEq("about:srcdoc", url, "expected correct url");
            browser.test.assertEq(
              "http://mochi.test:8888",
              origin,
              "expected correct origin"
            );
            break;

          default:
            browser.test.fail(`Unexpected kind: ${kind}`);
        }

        browser.test.sendMessage(`done:${kind}`);
      });

      browser.test.sendMessage("ready");
    },

    files: {
      "cs.js"() {
        browser.runtime.sendMessage("cs");
      },
    },
  });

  await extension.startup();
  await extension.awaitMessage("ready");

  let win = window.open("http://mochi.test:8888/" + PATH);
  await extension.awaitMessage("done:top");
  await extension.awaitMessage("done:about:blank");
  await extension.awaitMessage("done:about:srcdoc");
  win.close();

  await extension.unload();
});

add_task(async function test_tabs_sendMessage_opaqueOrigin() {
  let extension = ExtensionTestUtils.loadExtension({
    manifest: {
      content_scripts: [
        {
          match_about_blank: true,
          // The combination of `matches` and `exclude_matches` below allows us
          // to only inject in the top-level about:blank.
          matches: ["*://*/*"],
          exclude_matches: ["<all_urls>"],
          js: ["cs.js"],
        },
      ],
    },

    async background() {
      let tab;

      browser.runtime.onMessage.addListener(async (msg, { url, origin }) => {
        browser.test.assertEq("cs", msg, "expected message from cs.js");
        browser.test.assertEq("about:blank", url, "expected correct url");
        browser.test.assertEq("null", origin, "expected correct origin");

        await browser.tabs.remove(tab.id);
        browser.test.sendMessage("done");
      });

       tab = await browser.tabs.create({ url: "about:blank" });
    },

    files: {
      "cs.js"() {
        browser.runtime.sendMessage("cs");
      },
    },
  });

  await extension.startup();
  await extension.awaitMessage("done");
  await extension.unload();
});

add_task(async function test_tabs_sendMessage_blob() {
  // See: https://bugzilla.mozilla.org/show_bug.cgi?id=1724099
  if (!WebExtensionPolicy.useRemoteWebExtensions) {
    await SpecialPowers.pushPrefEnv({
      set: [["security.allow_unsafe_parent_loads", true]],
    });
  }

  let extension = ExtensionTestUtils.loadExtension({
    async background() {
      browser.runtime.onMessage.addListener(async (msg, { url, origin }) => {
        browser.test.assertEq("script", msg, "expected message from script.js");
        browser.test.assertTrue(
          url.startsWith("blob:moz-extension://"),
          "expected correct url"
        );
        browser.test.assertEq(
          new URL(browser.runtime.getURL("/")).origin,
          origin,
          "expected correct origin"
        );

        browser.test.sendMessage("done");
      });

      const blob = new Blob(
        [`<script src="${browser.runtime.getURL("script.js")}"><\/script>`],
        { type: "text/html" }
      );
      const iframe = document.createElement("iframe");
      iframe.src = URL.createObjectURL(blob);
      document.body.appendChild(iframe);
    },

    files: {
      "script.js"() {
        browser.runtime.sendMessage("script");
      },
    },
  });

  await extension.startup();
  await extension.awaitMessage("done");
  await extension.unload();

  if (!WebExtensionPolicy.useRemoteWebExtensions) {
    await SpecialPowers.popPrefEnv();
  }
});

</script>
</body>
</html>