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feat(Email Trigger (IMAP) Node): Migrate from imap-simple to @n8n/imap (#8899)

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Co-authored-by: Jonathan Bennetts <jonathan.bennetts@gmail.com>
This commit is contained in:
कारतोफ्फेलस्क्रिप्ट™
2024-04-09 11:33:10 +02:00
committed by GitHub
parent 28261047c3
commit 9f87cc25a0
16 changed files with 616 additions and 89 deletions
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49
packages/nodes-base/nodes/EmailReadImap/v2/EmailReadImapV2.node.ts
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@@ -16,8 +16,8 @@ import type {
} from 'n8n-workflow';
import { NodeOperationError } from 'n8n-workflow';
import type { ImapSimple, ImapSimpleOptions, Message } from 'imap-simple';
import { connect as imapConnect, getParts } from 'imap-simple';
import type { ImapSimple, ImapSimpleOptions, Message, MessagePart } from '@n8n/imap';
import { connect as imapConnect, getParts } from '@n8n/imap';
import type { Source as ParserSource } from 'mailparser';
import { simpleParser } from 'mailparser';
import rfc2047 from 'rfc2047';
@@ -298,15 +298,14 @@ export class EmailReadImapV2 implements INodeType {
// Returns the email text
const getText = async (parts: IDataObject[], message: Message, subtype: string) => {
const getText = async (parts: MessagePart[], message: Message, subtype: string) => {
if (!message.attributes.struct) {
return '';
}
const textParts = parts.filter((part) => {
return (
(part.type as string).toUpperCase() === 'TEXT' &&
(part.subtype as string).toUpperCase() === subtype.toUpperCase()
part.type.toUpperCase() === 'TEXT' && part.subtype.toUpperCase() === subtype.toUpperCase()
);
});
@@ -315,7 +314,7 @@ export class EmailReadImapV2 implements INodeType {
}
try {
return (await connection.getPartData(message, textParts[0])) as string;
return await connection.getPartData(message, textParts[0]);
} catch {
return '';
}
@@ -324,7 +323,7 @@ export class EmailReadImapV2 implements INodeType {
// Returns the email attachments
const getAttachment = async (
imapConnection: ImapSimple,
parts: IDataObject[],
parts: MessagePart[],
message: Message,
): Promise<IBinaryData[]> => {
if (!message.attributes.struct) {
@@ -332,12 +331,9 @@ export class EmailReadImapV2 implements INodeType {
}
// Check if the message has attachments and if so get them
const attachmentParts = parts.filter((part) => {
return (
part.disposition &&
((part.disposition as IDataObject)?.type as string).toUpperCase() === 'ATTACHMENT'
);
});
const attachmentParts = parts.filter(
(part) => part.disposition?.type?.toUpperCase() === 'ATTACHMENT',
);
const decodeFilename = (filename: string) => {
const regex = /=\?([\w-]+)\?Q\?.*\?=/i;
@@ -359,7 +355,7 @@ export class EmailReadImapV2 implements INodeType {
?.filename as string,
);
// Return it in the format n8n expects
return await this.helpers.prepareBinaryData(partData as Buffer, fileName);
return await this.helpers.prepareBinaryData(Buffer.from(partData), fileName);
});
attachmentPromises.push(attachmentPromise);
@@ -394,7 +390,7 @@ export class EmailReadImapV2 implements INodeType {
const results = await imapConnection.search(searchCriteria, fetchOptions);
const newEmails: INodeExecutionData[] = [];
let newEmail: INodeExecutionData, messageHeader, messageBody;
let newEmail: INodeExecutionData;
let attachments: IBinaryData[];
let propertyName: string;
@@ -456,7 +452,7 @@ export class EmailReadImapV2 implements INodeType {
) {
staticData.lastMessageUid = message.attributes.uid;
}
const parts = getParts(message.attributes.struct as IDataObject[]) as IDataObject[];
const parts = getParts(message.attributes.struct as IDataObject[]);
newEmail = {
json: {
@@ -466,19 +462,16 @@ export class EmailReadImapV2 implements INodeType {
},
};
messageHeader = message.parts.filter((part) => {
return part.which === 'HEADER';
});
const messageHeader = message.parts.filter((part) => part.which === 'HEADER');
messageBody = messageHeader[0].body as IDataObject;
const messageBody = messageHeader[0].body as Record<string, string[]>;
for (propertyName of Object.keys(messageBody)) {
if ((messageBody[propertyName] as IDataObject[]).length) {
if (messageBody[propertyName].length) {
if (topLevelProperties.includes(propertyName)) {
newEmail.json[propertyName] = (messageBody[propertyName] as string[])[0];
newEmail.json[propertyName] = messageBody[propertyName][0];
} else {
(newEmail.json.metadata as IDataObject)[propertyName] = (
messageBody[propertyName] as string[]
)[0];
(newEmail.json.metadata as IDataObject)[propertyName] =
messageBody[propertyName][0];
}
}
}
@@ -559,7 +552,7 @@ export class EmailReadImapV2 implements INodeType {
tls: credentials.secure,
authTimeout: 20000,
},
onmail: async () => {
onMail: async () => {
if (connection) {
if (staticData.lastMessageUid !== undefined) {
searchCriteria.push(['UID', `${staticData.lastMessageUid as number}:*`]);
@@ -597,8 +590,8 @@ export class EmailReadImapV2 implements INodeType {
}
}
},
onupdate: async (seqno: number, info) => {
this.logger.verbose(`Email Read Imap:update ${seqno}`, info as IDataObject);
onUpdate: async (seqNo: number, info) => {
this.logger.verbose(`Email Read Imap:update ${seqNo}`, info);
},
};