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/**
* ============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 { ApplicationStore } from "../store/applicationStore";
import { ReplaceAction } from "../actions/navigationActions";
import { AddErrorInfoAction } from "../actions/errorActions";
const baseUri = `${ window.location.origin }`;
const absUrlPattern = /^https?:\/\//;
let applicationStore: ApplicationStore | null = null;
export const startRestService = (store: ApplicationStore) => {
applicationStore = store;
};
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 (!applicationStore) return result;
const { state: { framework: { applicationState: { enablePolicy }, authenticationState: { policies }}} } = 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.
* @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;
}
/** 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 = '', init: 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, '/');
init = {
'method': 'GET',
...init,
headers: {
'Content-Type': 'application/json',
'Accept': 'application/json',
...init.headers
}
};
if (!isAbsUrl && authenticate && applicationStore) {
const { state: { framework: { authenticationState: { user } } } } = applicationStore;
// do not request if the user is not valid
if (!user || !user.isValid) {
return {
...result,
message: "User is not valid or not logged in."
};
}
(init.headers = {
...init.headers,
'Authorization': `${user.tokenType} ${user.token}`
//'Authorization': 'Basic YWRtaW46YWRtaW4='
});
}
const fetchResult = await fetch(uri, init);
if(fetchResult.status === 403){
applicationStore && applicationStore.dispatch(new AddErrorInfoAction({title: "Forbidden", message:"Status: [403], access denied."}));
return {
...result,
status: 403,
message: "Forbidden."
};
}
else if (fetchResult.status === 401) {
applicationStore && applicationStore.dispatch(new ReplaceAction(`/login?returnTo=${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
};
}
}
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