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Diffstat (limited to 'sdnr/wt-odlux/odlux/framework/src/services/restService.ts')
| -rw-r--r-- | sdnr/wt-odlux/odlux/framework/src/services/restService.ts | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/sdnr/wt-odlux/odlux/framework/src/services/restService.ts b/sdnr/wt-odlux/odlux/framework/src/services/restService.ts new file mode 100644 index 000000000..0be3dca07 --- /dev/null +++ b/sdnr/wt-odlux/odlux/framework/src/services/restService.ts @@ -0,0 +1,168 @@ +/** + * ============LICENSE_START======================================================================== + * ONAP : ccsdk feature sdnr wt odlux + * ================================================================================================= + * Copyright (C) 2019 highstreet technologies GmbH Intellectual Property. All rights reserved. + * ================================================================================================= + * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except + * in compliance with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software distributed under the License + * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express + * or implied. See the License for the specific language governing permissions and limitations under + * the License. + * ============LICENSE_END========================================================================== + */ + +import { ReplaceAction } from '../actions/navigationActions'; +import { AddErrorInfoAction } from '../actions/errorActions'; + +import { storeService } from './storeService'; + +const baseUri = `${ window.location.origin }`; +const absUrlPattern = /^https?:\/\//; + +export const formEncode = (params: { [key: string]: string | number }) => Object.keys(params).map((key) => { + return encodeURIComponent(key) + '=' + encodeURIComponent(params[key].toString()); +}).join('&'); + +const wildcardToRegexp = (pattern: string) => { + return new RegExp('^' + pattern.split(/\*\*/).map((p) => p.split(/\*+/).map((i) => i.replace(/[|\\{}()[\]^$+*?.]/g, '\\$&')).join('^[/]')).join('.*') + '$'); +}; + +export const getAccessPolicyByUrl = (url: string) => { + const result = { + GET : false, + POST: false, + PUT: false, + PATCH: false, + DELETE: false, + }; + + if (!storeService.applicationStore) return result; + + const { state: { framework: { applicationState: { enablePolicy }, authenticationState: { policies } } } } = storeService.applicationStore!; + + result.GET = true; + result.POST = true; + result.PUT = true; + result.PATCH = true; + result.DELETE = true; + + if (!enablePolicy || !policies || policies.length === 0) return result; + + policies.forEach(p => { + const re = wildcardToRegexp(p.path); + if (re.test(url)) { + result.GET = p.methods.get != null ? p.methods.get : result.GET ; + result.POST = p.methods.post != null ? p.methods.post : result.POST ; + result.PUT = p.methods.put != null ? p.methods.put : result.PUT ; + result.PATCH = p.methods.patch != null ? p.methods.patch : result.PATCH ; + result.DELETE = p.methods.delete != null ? p.methods.delete : result.DELETE ; + } + }); + + return result; + +}; + +/** Sends a rest request to the given path and reports the server state. + * @returns An object with the server state, a message and the data or undefined in case of a json parse error. + */ +export async function requestRestExt<TData>(path: string = '', initParam: RequestInit = {}, authenticate: boolean = true, isResource: boolean = false): Promise<{ status: number; message?: string; data: TData | null | undefined }> { + const result: { status: number; message?: string; data: TData | null } = { + status: -1, + data: null, + }; + const isAbsUrl = absUrlPattern.test(path); + const uri = isAbsUrl ? path : isResource ? path.replace(/\/{2,}/i, '/') : (baseUri) + ('/' + path).replace(/\/{2,}/i, '/'); + const init = { + 'method': 'GET', + ...initParam, + headers: { + 'Content-Type': 'application/json', + 'Accept': 'application/json', + ...initParam.headers, + } as HeadersInit, + }; + if (!isAbsUrl && authenticate && storeService.applicationStore) { + const { state: { framework: { authenticationState: { user } } } } = storeService.applicationStore; + // do not request if the user is not valid + + if (!user || !user.isValid || !user.token || !user.tokenType) { + return { + ...result, + message: 'User is not valid or not logged in.', + }; + } + (init.headers = { + ...init.headers, + 'Authorization': `${user.tokenType} ${user.token}`, + //'Authorization': 'Basic YWRtaW46YWRtaW4=' + }); + } + + const fetchResult = await fetch(uri, init); + if (fetchResult.status === 309) { + const redirectUrl = fetchResult.headers.get('Location'); + if (! redirectUrl) { + throw new Error('Status code 309 requires header "Location"'); + } + localStorage.removeItem('userToken'); + window.location.href = redirectUrl; + return { + ...result, + status: fetchResult.status, + message: 'Redirecting to new URL.', + }; + } else if (fetchResult.status === 403) { + if (storeService.applicationStore) { + storeService.applicationStore.dispatch(new AddErrorInfoAction({ title: 'Forbidden', message:'Status: [403], access denied.' })); + } + return { + ...result, + status: 403, + message: 'Forbidden.', + }; + } else if (fetchResult.status === 401) { + if (storeService.applicationStore) { + storeService.applicationStore.dispatch(new ReplaceAction(`/login?returnTo=${storeService.applicationStore.state.framework.navigationState.pathname}`)); + } + return { + ...result, + status: 401, + message: 'Authentication requested by server.', + }; + } + const contentType = fetchResult.headers.get('Content-Type') || fetchResult.headers.get('content-type'); + const isJson = contentType && (contentType.toLowerCase().startsWith('application/json') || contentType.toLowerCase().startsWith('application/yang-data+json')); + try { + const data = (isJson ? await fetchResult.json() : await fetchResult.text()) as TData; + return { + ...result, + status: fetchResult.status, + message: fetchResult.statusText, + data: data, + }; + } catch (error) { + return { + ...result, + status: fetchResult.status, + message: error && error.message || String(error), + data: undefined, + }; + } +} + +/** Sends a rest request to the given path. + * @returns The data, or null it there was any error + */ +export async function requestRest<TData>(path: string = '', init: RequestInit = {}, authenticate: boolean = true, isResource: boolean = false): Promise<TData | null | undefined> { + const res = await requestRestExt<TData>(path, init, authenticate, isResource); + if (res && res.status >= 200 && res.status < 300) { + return res.data; + } + return null; +}
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