n8n/packages/nodes-base/nodes/Microsoft/Outlook/GenericFunctions.ts

262 lines
6.1 KiB
TypeScript

import { OptionsWithUri } from 'request';
import {
BINARY_ENCODING,
IExecuteFunctions,
IExecuteSingleFunctions,
ILoadOptionsFunctions,
} from 'n8n-core';
import { IDataObject, INodeExecutionData, NodeApiError, NodeOperationError } from 'n8n-workflow';
export async function microsoftApiRequest(
this: IExecuteFunctions | IExecuteSingleFunctions | ILoadOptionsFunctions,
method: string,
resource: string,
body: any = {},
qs: IDataObject = {},
uri?: string,
headers: IDataObject = {},
option: IDataObject = { json: true },
): Promise<any> {
const credentials = await this.getCredentials('microsoftOutlookOAuth2Api');
let apiUrl = `https://graph.microsoft.com/v1.0/me${resource}`;
// If accessing shared mailbox
if (credentials.useShared && credentials.userPrincipalName) {
apiUrl = `https://graph.microsoft.com/v1.0/users/${credentials.userPrincipalName}${resource}`;
}
const options: OptionsWithUri = {
headers: {
'Content-Type': 'application/json',
},
method,
body,
qs,
uri: uri || apiUrl,
};
try {
Object.assign(options, option);
if (Object.keys(headers).length !== 0) {
options.headers = Object.assign({}, options.headers, headers);
}
if (Object.keys(body).length === 0) {
delete options.body;
}
//@ts-ignore
return await this.helpers.requestOAuth2.call(this, 'microsoftOutlookOAuth2Api', options);
} catch (error) {
throw new NodeApiError(this.getNode(), error);
}
}
export async function microsoftApiRequestAllItems(
this: IExecuteFunctions | ILoadOptionsFunctions,
propertyName: string,
method: string,
endpoint: string,
body: any = {},
query: IDataObject = {},
headers: IDataObject = {},
): Promise<any> {
const returnData: IDataObject[] = [];
let responseData;
let uri: string | undefined;
query.$top = 100;
do {
responseData = await microsoftApiRequest.call(
this,
method,
endpoint,
body,
query,
uri,
headers,
);
uri = responseData['@odata.nextLink'];
returnData.push.apply(returnData, responseData[propertyName]);
} while (responseData['@odata.nextLink'] !== undefined);
return returnData;
}
export async function microsoftApiRequestAllItemsSkip(
this: IExecuteFunctions | ILoadOptionsFunctions,
propertyName: string,
method: string,
endpoint: string,
body: any = {},
query: IDataObject = {},
headers: IDataObject = {},
): Promise<any> {
const returnData: IDataObject[] = [];
let responseData;
query.$top = 100;
query.$skip = 0;
do {
responseData = await microsoftApiRequest.call(
this,
method,
endpoint,
body,
query,
undefined,
headers,
);
query.$skip += query.$top;
returnData.push.apply(returnData, responseData[propertyName]);
} while (responseData.value.length !== 0);
return returnData;
}
export function makeRecipient(email: string) {
return {
emailAddress: {
address: email,
},
};
}
export function createMessage(fields: IDataObject) {
const message: IDataObject = {};
// Create body object
if (fields.bodyContent || fields.bodyContentType) {
const bodyObject = {
content: fields.bodyContent,
contentType: fields.bodyContentType,
};
message.body = bodyObject;
delete fields.bodyContent;
delete fields.bodyContentType;
}
// Handle custom headers
if (
'internetMessageHeaders' in fields &&
'headers' in (fields.internetMessageHeaders as IDataObject)
) {
fields.internetMessageHeaders = (fields.internetMessageHeaders as IDataObject).headers;
}
// Handle recipient fields
['bccRecipients', 'ccRecipients', 'replyTo', 'sender', 'toRecipients'].forEach((key) => {
if (Array.isArray(fields[key])) {
fields[key] = (fields[key] as string[]).map((email) => makeRecipient(email));
} else if (fields[key] !== undefined) {
fields[key] = (fields[key] as string)
.split(',')
.map((recipient: string) => makeRecipient(recipient));
}
});
['from', 'sender'].forEach((key) => {
if (fields[key] !== undefined) {
fields[key] = makeRecipient(fields[key] as string);
}
});
Object.assign(message, fields);
return message;
}
export async function downloadAttachments(
this: IExecuteFunctions,
messages: IDataObject[] | IDataObject,
prefix: string,
) {
const elements: INodeExecutionData[] = [];
if (!Array.isArray(messages)) {
messages = [messages];
}
for (const message of messages) {
const element: INodeExecutionData = {
json: message,
binary: {},
};
if (message.hasAttachments === true) {
const attachments = await microsoftApiRequestAllItems.call(
this,
'value',
'GET',
`/messages/${message.id}/attachments`,
{},
);
for (const [index, attachment] of attachments.entries()) {
const response = await microsoftApiRequest.call(
this,
'GET',
`/messages/${message.id}/attachments/${attachment.id}/$value`,
undefined,
{},
undefined,
{},
{ encoding: null, resolveWithFullResponse: true },
);
const data = Buffer.from(response.body as string, 'utf8');
element.binary![`${prefix}${index}`] = await this.helpers.prepareBinaryData(
data as unknown as Buffer,
attachment.name,
attachment.contentType,
);
}
}
if (Object.keys(element.binary!).length === 0) {
delete element.binary;
}
elements.push(element);
}
return elements;
}
export async function binaryToAttachments(
this: IExecuteFunctions,
attachments: IDataObject[],
items: INodeExecutionData[],
i: number,
) {
return Promise.all(
attachments.map(async (attachment) => {
const { binary } = items[i];
if (binary === undefined) {
throw new NodeOperationError(this.getNode(), 'No binary data exists on item!', {
itemIndex: i,
});
}
const binaryPropertyName = attachment.binaryPropertyName as string;
if (binary[binaryPropertyName] === undefined) {
throw new NodeOperationError(
this.getNode(),
`No binary data property "${binaryPropertyName}" does not exists on item!`,
{ itemIndex: i },
);
}
const binaryData = binary[binaryPropertyName];
const dataBuffer = await this.helpers.getBinaryDataBuffer(i, binaryPropertyName);
return {
'@odata.type': '#microsoft.graph.fileAttachment',
name: binaryData.fileName,
contentBytes: dataBuffer.toString(BINARY_ENCODING),
};
}),
);
}