forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			107 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			107 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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var gImportedPrefBranches = new Set();
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function importPrefBranch(aPrefBranch, aPermission, aAction) {
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  let list = Services.prefs.getChildList(aPrefBranch);
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  for (let pref of list) {
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    let origins = Services.prefs.getCharPref(pref, "");
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    if (!origins) {
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      continue;
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    }
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    origins = origins.split(",");
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    for (let origin of origins) {
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      let principals = [];
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      try {
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        principals = [
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          Services.scriptSecurityManager.createContentPrincipalFromOrigin(
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            origin
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          ),
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        ];
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      } catch (e) {
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        // This preference used to contain a list of hosts. For back-compat
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        // reasons, we convert these hosts into http:// and https:// permissions
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        // on default ports.
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        try {
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          let httpURI = Services.io.newURI("http://" + origin);
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          let httpsURI = Services.io.newURI("https://" + origin);
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          principals = [
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            Services.scriptSecurityManager.createContentPrincipal(httpURI, {}),
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            Services.scriptSecurityManager.createContentPrincipal(httpsURI, {}),
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          ];
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        } catch (e2) {}
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      }
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      for (let principal of principals) {
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        try {
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          Services.perms.addFromPrincipal(principal, aPermission, aAction);
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        } catch (e) {}
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      }
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    }
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    Services.prefs.setCharPref(pref, "");
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  }
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}
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export var PermissionsUtils = {
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  /**
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   * Import permissions from perferences to the Permissions Manager. After being
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   * imported, all processed permissions will be set to an empty string.
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   * Perferences are only processed once during the application's
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   * lifetime - it's safe to call this multiple times without worrying about
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   * doing unnecessary work, as the preferences branch will only be processed
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   * the first time.
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   *
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   * @param aPrefBranch  Preferences branch to import from. The preferences
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   *                     under this branch can specify whitelist (ALLOW_ACTION)
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   *                     or blacklist (DENY_ACTION) additions using perference
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   *                     names of the form:
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   *                     * <BRANCH>.whitelist.add.<ID>
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   *                     * <BRANCH>.blacklist.add.<ID>
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   *                     Where <ID> can be any valid preference name.
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   *                     The value is expected to be a comma separated list of
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   *                     host named. eg:
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   *                     * something.example.com
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   *                     * foo.exmaple.com,bar.example.com
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   *
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   * @param aPermission Permission name to be passsed to the Permissions
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   *                    Manager.
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   */
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  importFromPrefs(aPrefBranch, aPermission) {
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    if (!aPrefBranch.endsWith(".")) {
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      aPrefBranch += ".";
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    }
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    // Ensure we only import this pref branch once.
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    if (gImportedPrefBranches.has(aPrefBranch)) {
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      return;
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    }
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    importPrefBranch(
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      aPrefBranch + "whitelist.add",
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      aPermission,
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      Services.perms.ALLOW_ACTION
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    );
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    importPrefBranch(
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      aPrefBranch + "blacklist.add",
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      aPermission,
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      Services.perms.DENY_ACTION
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    );
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    gImportedPrefBranches.add(aPrefBranch);
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  },
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};
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// For test use only.
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export const PermissionsTestUtils = {
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  clearImportedPrefBranches() {
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    gImportedPrefBranches.clear();
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  },
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};
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