n8n/packages/nodes-base/nodes/Google/Drive/GenericFunctions.ts

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import {
OptionsWithUri,
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} from 'request';
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import {
IExecuteFunctions,
IExecuteSingleFunctions,
ILoadOptionsFunctions,
} from 'n8n-core';
import {
IDataObject,
IPollFunctions,
NodeApiError,
NodeOperationError,
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} from 'n8n-workflow';
import moment from 'moment-timezone';
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import jwt from 'jsonwebtoken';
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interface IGoogleAuthCredentials {
delegatedEmail?: string;
email: string;
inpersonate: boolean;
privateKey: string;
}
export async function googleApiRequest(this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions | IPollFunctions, method: string, resource: string, body: any = {}, qs: IDataObject = {}, uri?: string, option: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
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const authenticationMethod = this.getNodeParameter('authentication', 0, 'serviceAccount') as string;
let options: OptionsWithUri = {
headers: {
'Content-Type': 'application/json',
},
method,
body,
qs,
uri: uri || `https://www.googleapis.com${resource}`,
json: true,
};
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options = Object.assign({}, options, option);
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try {
if (Object.keys(body).length === 0) {
delete options.body;
}
if (authenticationMethod === 'serviceAccount') {
const credentials = await this.getCredentials('googleApi');
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const { access_token } = await getAccessToken.call(this, credentials as unknown as IGoogleAuthCredentials);
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options.headers!.Authorization = `Bearer ${access_token}`;
return await this.helpers.request!(options);
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} else {
//@ts-ignore
return await this.helpers.requestOAuth2.call(this, 'googleDriveOAuth2Api', options);
}
} catch (error) {
if (error.code === 'ERR_OSSL_PEM_NO_START_LINE') {
error.statusCode = '401';
}
:sparkles: Improve node error handling (#1309) * Add path mapping and response error interfaces * Add error handling and throwing functionality * Refactor error handling into a single function * Re-implement error handling in Hacker News node * Fix linting details * Re-implement error handling in Spotify node * Re-implement error handling in G Suite Admin node * :construction: create basic setup NodeError * :construction: add httpCodes * :construction: add path priolist * :construction: handle statusCode in error, adjust interfaces * :construction: fixing type issues w/Ivan * :construction: add error exploration * 👔 fix linter issues * :wrench: improve object check * :construction: remove path passing from NodeApiError * :construction: add multi error + refactor findProperty method * 👔 allow any * :wrench: handle multi error message callback * :zap: change return type of callback * :zap: add customCallback to MultiError * :construction: refactor to use INode * :hammer: handle arrays, continue search after first null property found * 🚫 refactor method access * :construction: setup NodeErrorView * :zap: change timestamp to Date.now * :books: Add documentation for methods and constants * :construction: change message setting * 🚚 move NodeErrors to workflow * :sparkles: add new ErrorView for Nodes * :art: improve error notification * :art: refactor interfaces * :zap: add WorkflowOperationError, refactor error throwing * 👕 fix linter issues * :art: rename param * :bug: fix handling normal errors * :zap: add usage of NodeApiError * :art: fix throw new error instead of constructor * :art: remove unnecessary code/comments * :art: adjusted spacing + updated status messages * :art: fix tab indentation * ✨ Replace current errors with custom errors (#1576) * :zap: Introduce NodeApiError in catch blocks * :zap: Introduce NodeOperationError in nodes * :zap: Add missing errors and remove incompatible * :zap: Fix NodeOperationError in incompatible nodes * :wrench: Adjust error handling in missed nodes PayPal, FileMaker, Reddit, Taiga and Facebook Graph API nodes * :hammer: Adjust Strava Trigger node error handling * :hammer: Adjust AWS nodes error handling * :hammer: Remove duplicate instantiation of NodeApiError * :bug: fix strava trigger node error handling * Add XML parsing to NodeApiError constructor (#1633) * :bug: Remove type annotation from catch variable * :sparkles: Add XML parsing to NodeApiError * :zap: Simplify error handling in Rekognition node * :zap: Pass in XML flag in generic functions * :fire: Remove try/catch wrappers at call sites * :hammer: Refactor setting description from XML * :hammer: Refactor let to const in resource loaders * :zap: Find property in parsed XML * :zap: Change let to const * :fire: Remove unneeded try/catch block * :shirt: Fix linting issues * :bug: Fix errors from merge conflict resolution * :zap: Add custom errors to latest contributions * :shirt: Fix linting issues * :zap: Refactor MongoDB helpers for custom errors * :bug: Correct custom error type * :zap: Apply feedback to A nodes * :zap: Apply feedback to missed A node * :zap: Apply feedback to B-D nodes * :zap: Apply feedback to E-F nodes * :zap: Apply feedback to G nodes * :zap: Apply feedback to H-L nodes * :zap: Apply feedback to M nodes * :zap: Apply feedback to P nodes * :zap: Apply feedback to R nodes * :zap: Apply feedback to S nodes * :zap: Apply feedback to T nodes * :zap: Apply feedback to V-Z nodes * :zap: Add HTTP code to iterable node error * :hammer: Standardize e as error * :hammer: Standardize err as error * :zap: Fix error handling for non-standard nodes Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com> Co-authored-by: Ben Hesseldieck <b.hesseldieck@gmail.com> Co-authored-by: Ben Hesseldieck <1849459+BHesseldieck@users.noreply.github.com>
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throw new NodeApiError(this.getNode(), error);
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}
}
export async function googleApiRequestAllItems(this: IExecuteFunctions | ILoadOptionsFunctions | IPollFunctions, propertyName: string, method: string, endpoint: string, body: any = {}, query: IDataObject = {}): Promise<any> { // tslint:disable-line:no-any
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const returnData: IDataObject[] = [];
let responseData;
query.maxResults = query.maxResults || 100;
query.pageSize = query.pageSize || 100;
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do {
responseData = await googleApiRequest.call(this, method, endpoint, body, query);
returnData.push.apply(returnData, responseData[propertyName]);
} while (
responseData['nextPageToken'] !== undefined &&
responseData['nextPageToken'] !== ''
);
return returnData;
}
function getAccessToken(this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions | IPollFunctions, credentials: IGoogleAuthCredentials): Promise<IDataObject> {
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//https://developers.google.com/identity/protocols/oauth2/service-account#httprest
const scopes = [
'https://www.googleapis.com/auth/drive',
'https://www.googleapis.com/auth/drive.appdata',
'https://www.googleapis.com/auth/drive.photos.readonly',
];
const now = moment().unix();
credentials.email = credentials.email.trim();
const privateKey = (credentials.privateKey as string).replace(/\\n/g, '\n').trim();
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const signature = jwt.sign(
{
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'iss': credentials.email as string,
'sub': credentials.delegatedEmail || credentials.email as string,
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'scope': scopes.join(' '),
'aud': `https://oauth2.googleapis.com/token`,
'iat': now,
'exp': now + 3600,
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},
privateKey as string,
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{
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algorithm: 'RS256',
header: {
'kid': privateKey as string,
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'typ': 'JWT',
'alg': 'RS256',
},
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},
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);
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const options: OptionsWithUri = {
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headers: {
'Content-Type': 'application/x-www-form-urlencoded',
},
method: 'POST',
form: {
grant_type: 'urn:ietf:params:oauth:grant-type:jwt-bearer',
assertion: signature,
},
uri: 'https://oauth2.googleapis.com/token',
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json: true,
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};
return this.helpers.request!(options);
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}
export function extractId(url: string): string {
if (url.includes('/d/')) {
//https://docs.google.com/document/d/1TUJGUf5HUv9e6MJBzcOsPruxXDeGMnGYTBWfkMagcg4/edit
const data = url.match(/[-\w]{25,}/);
if (Array.isArray(data)) {
return data[0];
}
} else if (url.includes('/folders/')) {
//https://drive.google.com/drive/u/0/folders/19MqnruIXju5sAWYD3J71im1d2CBJkZzy
return url.split('/folders/')[1];
}
return url;
}