1 files changed, 187 insertions, 0 deletions
diff --git a/browser/actors/BlockedSiteChild.sys.mjs b/browser/actors/BlockedSiteChild.sys.mjs
new file mode 100644
index 0000000000..cbe37c8688
--- /dev/null
+++ b/browser/actors/BlockedSiteChild.sys.mjs
@@ -0,0 +1,187 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+const lazy = {};
+
+ChromeUtils.defineESModuleGetters(lazy, {
+  SafeBrowsing: "resource://gre/modules/SafeBrowsing.sys.mjs",
+});
+
+function getSiteBlockedErrorDetails(docShell) {
+  let blockedInfo = {};
+  if (docShell.failedChannel) {
+    let classifiedChannel = docShell.failedChannel.QueryInterface(
+      Ci.nsIClassifiedChannel
+    );
+    if (classifiedChannel) {
+      let httpChannel = docShell.failedChannel.QueryInterface(
+        Ci.nsIHttpChannel
+      );
+
+      let reportUri = httpChannel.URI;
+
+      // Remove the query to avoid leaking sensitive data
+      if (reportUri instanceof Ci.nsIURL) {
+        reportUri = reportUri.mutate().setQuery("").finalize();
+      }
+
+      let triggeringPrincipal = docShell.failedChannel.loadInfo
+        ? docShell.failedChannel.loadInfo.triggeringPrincipal
+        : null;
+      blockedInfo = {
+        list: classifiedChannel.matchedList,
+        triggeringPrincipal,
+        provider: classifiedChannel.matchedProvider,
+        uri: reportUri.asciiSpec,
+      };
+    }
+  }
+  return blockedInfo;
+}
+
+export class BlockedSiteChild extends JSWindowActorChild {
+  receiveMessage(msg) {
+    if (msg.name == "DeceptiveBlockedDetails") {
+      return getSiteBlockedErrorDetails(this.docShell);
+    }
+    return null;
+  }
+
+  handleEvent(event) {
+    if (event.type == "AboutBlockedLoaded") {
+      this.onAboutBlockedLoaded(event);
+    } else if (event.type == "click" && event.button == 0) {
+      this.onClick(event);
+    }
+  }
+
+  onAboutBlockedLoaded(aEvent) {
+    let content = aEvent.target.ownerGlobal;
+
+    let blockedInfo = getSiteBlockedErrorDetails(this.docShell);
+    let provider = blockedInfo.provider || "";
+
+    let doc = content.document;
+
+    /**
+     * Set error description link in error details.
+     * For example, the "reported as a deceptive site" link for
+     * blocked phishing pages.
+     */
+    let desc = Services.prefs.getCharPref(
+      "browser.safebrowsing.provider." + provider + ".reportURL",
+      ""
+    );
+    if (desc) {
+      doc
+        .getElementById("error_desc_link")
+        .setAttribute("href", desc + encodeURIComponent(aEvent.detail.url));
+    }
+
+    // Set other links in error details.
+    switch (aEvent.detail.err) {
+      case "malware":
+        doc
+          .getElementById("report_detection")
+          .setAttribute(
+            "href",
+            lazy.SafeBrowsing.getReportURL("MalwareMistake", blockedInfo)
+          );
+        break;
+      case "unwanted":
+        doc
+          .getElementById("learn_more_link")
+          .setAttribute(
+            "href",
+            "https://www.google.com/about/unwanted-software-policy.html"
+          );
+        break;
+      case "phishing":
+        doc
+          .getElementById("report_detection")
+          .setAttribute(
+            "href",
+            lazy.SafeBrowsing.getReportURL("PhishMistake", blockedInfo) ||
+              "https://safebrowsing.google.com/safebrowsing/report_error/?tpl=mozilla"
+          );
+        doc
+          .getElementById("learn_more_link")
+          .setAttribute("href", "https://www.antiphishing.org//");
+        break;
+    }
+
+    // Set the firefox support url.
+    doc
+      .getElementById("firefox_support")
+      .setAttribute(
+        "href",
+        Services.urlFormatter.formatURLPref("app.support.baseURL") +
+          "phishing-malware"
+      );
+
+    // Show safe browsing details on load if the pref is set to true.
+    let showDetails = Services.prefs.getBoolPref(
+      "browser.xul.error_pages.show_safe_browsing_details_on_load"
+    );
+    if (showDetails) {
+      let details = content.document.getElementById(
+        "errorDescriptionContainer"
+      );
+      details.removeAttribute("hidden");
+    }
+
+    // Set safe browsing advisory link.
+    let advisoryUrl = Services.prefs.getCharPref(
+      "browser.safebrowsing.provider." + provider + ".advisoryURL",
+      ""
+    );
+    let advisoryDesc = content.document.getElementById("advisoryDescText");
+    if (!advisoryUrl) {
+      advisoryDesc.remove();
+      return;
+    }
+
+    let advisoryLinkText = Services.prefs.getCharPref(
+      "browser.safebrowsing.provider." + provider + ".advisoryName",
+      ""
+    );
+    if (!advisoryLinkText) {
+      advisoryDesc.remove();
+      return;
+    }
+
+    content.document.l10n.setAttributes(
+      advisoryDesc,
+      "safeb-palm-advisory-desc",
+      { advisoryname: advisoryLinkText }
+    );
+    content.document
+      .getElementById("advisory_provider")
+      .setAttribute("href", advisoryUrl);
+  }
+
+  onClick(event) {
+    let ownerDoc = event.target.ownerDocument;
+    if (!ownerDoc) {
+      return;
+    }
+
+    var reason = "phishing";
+    if (/e=malwareBlocked/.test(ownerDoc.documentURI)) {
+      reason = "malware";
+    } else if (/e=unwantedBlocked/.test(ownerDoc.documentURI)) {
+      reason = "unwanted";
+    } else if (/e=harmfulBlocked/.test(ownerDoc.documentURI)) {
+      reason = "harmful";
+    }
+
+    this.sendAsyncMessage("Browser:SiteBlockedError", {
+      location: ownerDoc.location.href,
+      reason,
+      elementId: event.target.getAttribute("id"),
+      blockedInfo: getSiteBlockedErrorDetails(this.docShell),
+    });
+  }
+}