1 files changed, 124 insertions, 0 deletions
diff --git a/comm/mail/components/AboutRedirector.jsm b/comm/mail/components/AboutRedirector.jsm
new file mode 100644
index 0000000000..a652ba5a6d
--- /dev/null
+++ b/comm/mail/components/AboutRedirector.jsm
@@ -0,0 +1,124 @@
+/* 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/. */
+
+var EXPORTED_SYMBOLS = ["AboutRedirector"];
+
+function AboutRedirector() {}
+AboutRedirector.prototype = {
+  QueryInterface: ChromeUtils.generateQI(["nsIAboutModule"]),
+
+  // Each entry in the map has the key as the part after the "about:" and the
+  // value as a record with url and flags entries. Note that each addition here
+  // should be coupled with a corresponding addition in mailComponents.manifest.
+  _redirMap: {
+    newserror: {
+      url: "chrome://messenger/content/newsError.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    rights: {
+      url: "chrome://messenger/content/aboutRights.xhtml",
+      flags:
+        Ci.nsIAboutModule.ALLOW_SCRIPT |
+        Ci.nsIAboutModule.URI_SAFE_FOR_UNTRUSTED_CONTENT,
+    },
+    support: {
+      url: "chrome://messenger/content/about-support/aboutSupport.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    preferences: {
+      url: "chrome://messenger/content/preferences/preferences.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    downloads: {
+      url: "chrome://messenger/content/downloads/aboutDownloads.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    policies: {
+      url: "chrome://messenger/content/policies/aboutPolicies.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    accountsettings: {
+      url: "chrome://messenger/content/AccountManager.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    accountsetup: {
+      url: "chrome://messenger/content/accountcreation/accountSetup.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    accountprovisioner: {
+      url: "chrome://messenger/content/newmailaccount/accountProvisioner.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    addressbook: {
+      url: "chrome://messenger/content/addressbook/aboutAddressBook.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    "3pane": {
+      url: "chrome://messenger/content/about3Pane.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    message: {
+      url: "chrome://messenger/content/aboutMessage.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    import: {
+      url: "chrome://messenger/content/aboutImport.xhtml",
+      flags: Ci.nsIAboutModule.ALLOW_SCRIPT,
+    },
+    profiling: {
+      url: "chrome://devtools/content/performance-new/aboutprofiling/index.xhtml",
+      flags:
+        Ci.nsIAboutModule.ALLOW_SCRIPT | Ci.nsIAboutModule.IS_SECURE_CHROME_UI,
+    },
+  },
+
+  /**
+   * Gets the module name from the given URI.
+   */
+  _getModuleName(aURI) {
+    // Strip out the first ? or #, and anything following it
+    let name = /[^?#]+/.exec(aURI.pathQueryRef)[0];
+    return name.toLowerCase();
+  },
+
+  getURIFlags(aURI) {
+    let name = this._getModuleName(aURI);
+    if (!(name in this._redirMap)) {
+      throw Components.Exception(`no about:${name}`, Cr.NS_ERROR_ILLEGAL_VALUE);
+    }
+    return this._redirMap[name].flags;
+  },
+
+  newChannel(aURI, aLoadInfo) {
+    let name = this._getModuleName(aURI);
+    if (!(name in this._redirMap)) {
+      throw Components.Exception(`no about:${name}`, Cr.NS_ERROR_ILLEGAL_VALUE);
+    }
+
+    let newURI = Services.io.newURI(this._redirMap[name].url);
+    let channel = Services.io.newChannelFromURIWithLoadInfo(newURI, aLoadInfo);
+    channel.originalURI = aURI;
+
+    if (
+      this._redirMap[name].flags &
+      Ci.nsIAboutModule.URI_SAFE_FOR_UNTRUSTED_CONTENT
+    ) {
+      let principal = Services.scriptSecurityManager.createContentPrincipal(
+        aURI,
+        {}
+      );
+      channel.owner = principal;
+    }
+
+    return channel;
+  },
+
+  getChromeURI(aURI) {
+    let name = this._getModuleName(aURI);
+    if (!(name in this._redirMap)) {
+      throw Components.Exception(`no about:${name}`, Cr.NS_ERROR_ILLEGAL_VALUE);
+    }
+    return Services.io.newURI(this._redirMap[name].url);
+  },
+};