Files
LeafWeb/WebCms/Umbraco/Js/umbraco.security.js
2019-11-23 21:51:02 -05:00

202 lines
11 KiB
JavaScript

(function () {
angular.module('umbraco.security.retryQueue', []);
angular.module('umbraco.security.interceptor', ['umbraco.security.retryQueue']);
angular.module('umbraco.security', [
'umbraco.security.retryQueue',
'umbraco.security.interceptor'
]);
//TODO: This is silly and unecessary to have a separate module for this
angular.module('umbraco.security.retryQueue', []) // This is a generic retry queue for security failures. Each item is expected to expose two functions: retry and cancel.
.factory('securityRetryQueue', [
'$q',
'$log',
function ($q, $log) {
var retryQueue = [];
var retryUser = null;
var service = {
// The security service puts its own handler in here!
onItemAddedCallbacks: [],
hasMore: function () {
return retryQueue.length > 0;
},
push: function (retryItem) {
retryQueue.push(retryItem);
// Call all the onItemAdded callbacks
angular.forEach(service.onItemAddedCallbacks, function (cb) {
try {
cb(retryItem);
} catch (e) {
$log.error('securityRetryQueue.push(retryItem): callback threw an error' + e);
}
});
},
pushRetryFn: function (reason, userName, retryFn) {
// The reason parameter is optional
if (arguments.length === 2) {
retryFn = userName;
userName = reason;
reason = undefined;
}
if (retryUser && retryUser !== userName || userName === null) {
throw new Error('invalid user');
}
retryUser = userName;
// The deferred object that will be resolved or rejected by calling retry or cancel
var deferred = $q.defer();
var retryItem = {
reason: reason,
retry: function () {
// Wrap the result of the retryFn into a promise if it is not already
$q.when(retryFn()).then(function (value) {
// If it was successful then resolve our deferred
deferred.resolve(value);
}, function (value) {
// Othewise reject it
deferred.reject(value);
});
},
cancel: function () {
// Give up on retrying and reject our deferred
deferred.reject();
}
};
service.push(retryItem);
return deferred.promise;
},
retryReason: function () {
return service.hasMore() && retryQueue[0].reason;
},
cancelAll: function () {
while (service.hasMore()) {
retryQueue.shift().cancel();
}
retryUser = null;
},
retryAll: function (userName) {
if (retryUser == null) {
return;
}
if (retryUser !== userName) {
service.cancelAll();
return;
}
while (service.hasMore()) {
retryQueue.shift().retry();
}
}
};
return service;
}
]);
angular.module('umbraco.security.interceptor') // This http interceptor listens for authentication successes and failures
.factory('securityInterceptor', [
'$injector',
'securityRetryQueue',
'notificationsService',
'eventsService',
'requestInterceptorFilter',
function ($injector, queue, notifications, eventsService, requestInterceptorFilter) {
return function (promise) {
return promise.then(function (originalResponse) {
// Intercept successful requests
//Here we'll check if our custom header is in the response which indicates how many seconds the user's session has before it
//expires. Then we'll update the user in the user service accordingly.
var headers = originalResponse.headers();
if (headers['x-umb-user-seconds']) {
// We must use $injector to get the $http service to prevent circular dependency
var userService = $injector.get('userService');
userService.setUserTimeout(headers['x-umb-user-seconds']);
}
//this checks if the user's values have changed, in which case we need to update the user details throughout
//the back office similar to how we do when a user logs in
if (headers['x-umb-user-modified']) {
eventsService.emit('app.userRefresh');
}
return promise;
}, function (originalResponse) {
// Intercept failed requests
// Make sure we have the configuration of the request (don't we always?)
var config = originalResponse.config ? originalResponse.config : {};
// Make sure we have an object for the headers of the request
var headers = config.headers ? config.headers : {};
//Here we'll check if we should ignore the error (either based on the original header set or the request configuration)
if (headers['x-umb-ignore-error'] === 'ignore' || config.umbIgnoreErrors === true || angular.isArray(config.umbIgnoreStatus) && config.umbIgnoreStatus.indexOf(originalResponse.status) !== -1) {
//exit/ignore
return promise;
}
var filtered = _.find(requestInterceptorFilter(), function (val) {
return config.url.indexOf(val) > 0;
});
if (filtered) {
return promise;
}
if (originalResponse.status === 401) {
//A 401 means that the user is not logged in
//avoid an infinite loop
var umbRequestHelper = $injector.get('umbRequestHelper');
var getCurrentUserPath = umbRequestHelper.getApiUrl('authenticationApiBaseUrl', 'GetCurrentUser');
if (!originalResponse.config.url.endsWith(getCurrentUserPath)) {
var userService = $injector.get('userService');
// see above
//Associate the user name with the retry to ensure we retry for the right user
promise = userService.getCurrentUser().then(function (user) {
var userName = user ? user.name : null;
//The request bounced because it was not authorized - add a new request to the retry queue
return queue.pushRetryFn('unauthorized-server', userName, function retryRequest() {
// We must use $injector to get the $http service to prevent circular dependency
return $injector.get('$http')(originalResponse.config);
});
});
}
} else if (originalResponse.status === 404) {
//a 404 indicates that the request was not found - this could be due to a non existing url, or it could
//be due to accessing a url with a parameter that doesn't exist, either way we should notifiy the user about it
var errMsg = 'The URL returned a 404 (not found): <br/><i>' + originalResponse.config.url.split('?')[0] + '</i>';
if (originalResponse.data && originalResponse.data.ExceptionMessage) {
errMsg += '<br/> with error: <br/><i>' + originalResponse.data.ExceptionMessage + '</i>';
}
if (originalResponse.config.data) {
errMsg += '<br/> with data: <br/><i>' + angular.toJson(originalResponse.config.data) + '</i><br/>Contact your administrator for information.';
}
notifications.error('Request error', errMsg);
} else if (originalResponse.status === 403) {
//if the status was a 403 it means the user didn't have permission to do what the request was trying to do.
//How do we deal with this now, need to tell the user somehow that they don't have permission to do the thing that was
//requested. We can either deal with this globally here, or we can deal with it globally for individual requests on the umbRequestHelper,
// or completely custom for services calling resources.
//http://issues.umbraco.org/issue/U4-2749
//It was decided to just put these messages into the normal status messages.
var msg = 'Unauthorized access to URL: <br/><i>' + originalResponse.config.url.split('?')[0] + '</i>';
if (originalResponse.config.data) {
msg += '<br/> with data: <br/><i>' + angular.toJson(originalResponse.config.data) + '</i><br/>Contact your administrator for information.';
}
notifications.error('Authorization error', msg);
}
return promise;
});
};
}
]) //used to set headers on all requests where necessary
.factory('umbracoRequestInterceptor', function ($q, queryStrings) {
return {
//dealing with requests:
'request': function (config) {
if (queryStrings.getParams().umbDebug === 'true' || queryStrings.getParams().umbdebug === 'true') {
config.headers['X-UMB-DEBUG'] = 'true';
}
return config;
}
};
}).value('requestInterceptorFilter', function () {
return ['www.gravatar.com'];
}) // We have to add the interceptor to the queue as a string because the interceptor depends upon service instances that are not available in the config block.
.config([
'$httpProvider',
function ($httpProvider) {
$httpProvider.defaults.xsrfHeaderName = 'X-UMB-XSRF-TOKEN';
$httpProvider.defaults.xsrfCookieName = 'UMB-XSRF-TOKEN';
$httpProvider.responseInterceptors.push('securityInterceptor');
$httpProvider.interceptors.push('umbracoRequestInterceptor');
}
]);
}());