n8n/packages/nodes-base/nodes/Ghost/GenericFunctions.ts
Omar Ajoue d3fecb9f6d
🎨 Centralize error throwing for encryption keys and credentials (#3105)
* Centralized error throwing for encryption key

* Unifying the error message used by cli and core packages

* Improvements to error messages to make it more DRY

* Removed unnecessary throw

* Throwing error when credential does not exist to simplify node behavior (#3112)

Co-authored-by: Iván Ovejero <ivov.src@gmail.com>
2022-04-15 08:00:47 +02:00

95 lines
2.3 KiB
TypeScript

import {
OptionsWithUri,
} from 'request';
import {
IExecuteFunctions,
IExecuteSingleFunctions,
IHookFunctions,
ILoadOptionsFunctions,
} from 'n8n-core';
import {
IDataObject, NodeApiError,
} from 'n8n-workflow';
import jwt from 'jsonwebtoken';
export async function ghostApiRequest(this: IHookFunctions | IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions, method: string, endpoint: string, body: any = {}, query: IDataObject = {}, uri?: string): Promise<any> { // tslint:disable-line:no-any
const source = this.getNodeParameter('source', 0) as string;
let credentials;
let version;
let token;
if (source === 'contentApi') {
//https://ghost.org/faq/api-versioning/
version = 'v3';
credentials = await this.getCredentials('ghostContentApi');
query.key = credentials.apiKey as string;
} else {
version = 'v2';
credentials = await this.getCredentials('ghostAdminApi');
// Create the token (including decoding secret)
const [id, secret] = (credentials.apiKey as string).split(':');
token = jwt.sign({}, Buffer.from(secret, 'hex'), {
keyid: id,
algorithm: 'HS256',
expiresIn: '5m',
audience: `/${version}/admin/`,
});
}
const options: OptionsWithUri = {
method,
qs: query,
uri: uri || `${credentials.url}/ghost/api/${version}${endpoint}`,
body,
json: true,
};
if (token) {
options.headers = {
Authorization: `Ghost ${token}`,
};
}
try {
return await this.helpers.request!(options);
} catch (error) {
throw new NodeApiError(this.getNode(), error);
}
}
export async function ghostApiRequestAllItems(this: IHookFunctions | IExecuteFunctions | ILoadOptionsFunctions, propertyName: string, method: string, endpoint: string, body: any = {}, query: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
const returnData: IDataObject[] = [];
let responseData;
query.limit = 50;
query.page = 1;
do {
responseData = await ghostApiRequest.call(this, method, endpoint, body, query);
query.page = responseData.meta.pagination.next;
returnData.push.apply(returnData, responseData[propertyName]);
} while (
query.page !== null
);
return returnData;
}
export function validateJSON(json: string | undefined): any { // tslint:disable-line:no-any
let result;
try {
result = JSON.parse(json!);
} catch (exception) {
result = undefined;
}
return result;
}