tor-browser

permissions.js (7335B)

---

/* 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/. */

/* import-globals-from pageInfo.js */

const { SitePermissions } = ChromeUtils.importESModule(
 "resource:///modules/SitePermissions.sys.mjs"
);

var gPermPrincipal;

// List of ids of permissions to hide.
const EXCLUDE_PERMS = ["open-protocol-handler"];

// Array of permissionIDs sorted alphabetically by label.
let gPermissions = SitePermissions.listPermissions()
 .filter(permissionID => {
   if (!SitePermissions.getPermissionLabel(permissionID)) {
     return false;
   }
   return !EXCLUDE_PERMS.includes(permissionID);
 })
 .sort((a, b) => {
   let firstLabel = SitePermissions.getPermissionLabel(a);
   let secondLabel = SitePermissions.getPermissionLabel(b);
   return firstLabel.localeCompare(secondLabel);
 });

var permissionObserver = {
 observe(aSubject, aTopic) {
   if (aTopic == "perm-changed") {
     var permission = aSubject.QueryInterface(Ci.nsIPermission);
     if (
       permission.matches(gPermPrincipal, true) &&
       gPermissions.includes(permission.type)
     ) {
       initRow(permission.type);
     }
   }
 },
};

function getExcludedPermissions() {
 return EXCLUDE_PERMS;
}

function onLoadPermission(uri, principal) {
 var permTab = document.getElementById("permTab");
 if (SitePermissions.isSupportedPrincipal(principal)) {
   gPermPrincipal = principal;
   var hostText = document.getElementById("hostText");
   hostText.value = uri.displayPrePath;

   for (var i of gPermissions) {
     initRow(i);
   }
   Services.obs.addObserver(permissionObserver, "perm-changed");
   window.addEventListener("unload", onUnloadPermission);
   permTab.hidden = false;
 } else {
   permTab.hidden = true;
 }
}

function onUnloadPermission() {
 Services.obs.removeObserver(permissionObserver, "perm-changed");
}

function initRow(aPartId) {
 createRow(aPartId);

 var checkbox = document.getElementById(aPartId + "Def");
 var command = document.getElementById("cmd_" + aPartId + "Toggle");
 var { state, scope } = SitePermissions.getForPrincipal(
   gPermPrincipal,
   aPartId
 );
 let defaultState = SitePermissions.getDefault(aPartId);

 // Since cookies preferences have many different possible configuration states
 // we don't consider any permission except "no permission" to be default.
 if (aPartId == "cookie") {
   state = Services.perms.testPermissionFromPrincipal(
     gPermPrincipal,
     "cookie"
   );

   if (state == SitePermissions.UNKNOWN) {
     checkbox.checked = true;
     command.setAttribute("disabled", "true");
     // Don't select any item in the radio group, as we can't
     // confidently say that all cookies on the site will be allowed.
     let radioGroup = document.getElementById("cookieRadioGroup");
     radioGroup.selectedItem = null;
   } else {
     checkbox.checked = false;
     command.removeAttribute("disabled");
   }

   setRadioState(aPartId, state);

   checkbox.disabled = Services.prefs.prefIsLocked(
     "network.cookie.cookieBehavior"
   );

   return;
 }

 if (state != defaultState) {
   checkbox.checked = false;
   command.removeAttribute("disabled");
 } else {
   checkbox.checked = true;
   command.setAttribute("disabled", "true");
 }

 if (
   [SitePermissions.SCOPE_POLICY, SitePermissions.SCOPE_GLOBAL].includes(scope)
 ) {
   checkbox.setAttribute("disabled", "true");
   command.setAttribute("disabled", "true");
 }

 setRadioState(aPartId, state);

 switch (aPartId) {
   case "install":
     checkbox.disabled = !Services.policies.isAllowed("xpinstall");
     break;
   case "popup":
     checkbox.disabled = Services.prefs.prefIsLocked(
       "dom.disable_open_during_load"
     );
     break;
   case "autoplay-media":
     checkbox.disabled = Services.prefs.prefIsLocked("media.autoplay.default");
     break;
   case "geo":
   case "desktop-notification":
   case "camera":
   case "microphone":
   case "xr":
   case "screen":
     checkbox.disabled = Services.prefs.prefIsLocked(
       "permissions.default." + aPartId
     );
     break;
 }
}

function createRow(aPartId) {
 let rowId = "perm-" + aPartId + "-row";
 if (document.getElementById(rowId)) {
   return;
 }

 let commandId = "cmd_" + aPartId + "Toggle";
 let labelId = "perm-" + aPartId + "-label";
 let radiogroupId = aPartId + "RadioGroup";

 let command = document.createXULElement("command");
 command.setAttribute("id", commandId);
 command.addEventListener("command", () => onRadioClick(aPartId));
 document.getElementById("pageInfoCommandSet").appendChild(command);

 let row = document.createXULElement("vbox");
 row.setAttribute("id", rowId);
 row.setAttribute("class", "permission");

 let label = document.createXULElement("label");
 label.setAttribute("id", labelId);
 label.setAttribute("control", radiogroupId);
 label.setAttribute("value", SitePermissions.getPermissionLabel(aPartId));
 label.setAttribute("class", "permissionLabel");
 row.appendChild(label);

 let controls = document.createXULElement("hbox");
 controls.setAttribute("role", "group");
 controls.setAttribute("aria-labelledby", labelId);

 let checkbox = document.createXULElement("checkbox");
 checkbox.setAttribute("id", aPartId + "Def");
 checkbox.setAttribute("native", true);
 document.l10n.setAttributes(checkbox, "permissions-use-default");
 checkbox.addEventListener("command", () => onCheckboxClick(aPartId));
 controls.appendChild(checkbox);

 let spacer = document.createXULElement("spacer");
 spacer.setAttribute("flex", "1");
 controls.appendChild(spacer);

 let radiogroup = document.createXULElement("radiogroup");
 radiogroup.setAttribute("id", radiogroupId);
 radiogroup.setAttribute("orient", "horizontal");
 for (let state of SitePermissions.getAvailableStates(aPartId)) {
   let radio = document.createXULElement("radio");
   radio.setAttribute("id", aPartId + "#" + state);
   radio.setAttribute(
     "label",
     SitePermissions.getMultichoiceStateLabel(aPartId, state)
   );
   radio.setAttribute("command", commandId);
   radiogroup.appendChild(radio);
 }
 controls.appendChild(radiogroup);

 row.appendChild(controls);

 document.getElementById("permList").appendChild(row);
}

function onCheckboxClick(aPartId) {
 var command = document.getElementById("cmd_" + aPartId + "Toggle");
 var checkbox = document.getElementById(aPartId + "Def");
 if (checkbox.checked) {
   SitePermissions.removeFromPrincipal(gPermPrincipal, aPartId);
   command.setAttribute("disabled", "true");
 } else {
   onRadioClick(aPartId);
   command.removeAttribute("disabled");
 }
}

function onRadioClick(aPartId) {
 var radioGroup = document.getElementById(aPartId + "RadioGroup");
 let permission;
 if (radioGroup.selectedItem) {
   permission = parseInt(radioGroup.selectedItem.id.split("#")[1]);
 } else {
   permission = SitePermissions.getDefault(aPartId);
 }
 SitePermissions.setForPrincipal(gPermPrincipal, aPartId, permission);
}

function setRadioState(aPartId, aValue) {
 var radio = document.getElementById(aPartId + "#" + aValue);
 if (radio) {
   radio.radioGroup.selectedItem = radio;
 }
}