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Merge pull request #8 from icdocsoc/feat-imap-drafts
Feat: Add uploading of draft emails
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,2 +1,2 @@ | ||
| export * from "./files"; | ||
| export { default as createLogger } from "./logger"; | ||
| export * from "./files.js"; | ||
| export { default as createLogger } from "./logger.js"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,25 +1,42 @@ | ||
| { | ||
| "extends": ["../../.eslintrc.json"], | ||
| "ignorePatterns": ["!**/*"], | ||
| "extends": [ | ||
| "../../.eslintrc.json" | ||
| ], | ||
| "ignorePatterns": [ | ||
| "!**/*" | ||
| ], | ||
| "overrides": [ | ||
| { | ||
| "files": ["*.ts", "*.tsx", "*.js", "*.jsx"], | ||
| "files": [ | ||
| "*.ts", | ||
| "*.tsx", | ||
| "*.js", | ||
| "*.jsx" | ||
| ], | ||
| "rules": {} | ||
| }, | ||
| { | ||
| "files": ["*.ts", "*.tsx"], | ||
| "files": [ | ||
| "*.ts", | ||
| "*.tsx" | ||
| ], | ||
| "rules": {} | ||
| }, | ||
| { | ||
| "files": ["*.js", "*.jsx"], | ||
| "files": [ | ||
| "*.js", | ||
| "*.jsx" | ||
| ], | ||
| "rules": {} | ||
| }, | ||
| { | ||
| "files": ["*.json"], | ||
| "files": [ | ||
| "*.json" | ||
| ], | ||
| "parser": "jsonc-eslint-parser", | ||
| "rules": { | ||
| "@nx/dependency-checks": "error" | ||
| "@nx/dependency-checks": "warn" | ||
| } | ||
| } | ||
| ] | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1 @@ | ||
| export * from "./uploadDrafts.js"; |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,195 @@ | ||
| import { InteractiveBrowserCredential } from "@azure/identity"; | ||
| import { createLogger } from "@docsoc/util"; | ||
| import { Client } from "@microsoft/microsoft-graph-client"; | ||
| import { TokenCredentialAuthenticationProvider } from "@microsoft/microsoft-graph-client/authProviders/azureTokenCredentials/index.js"; | ||
| import fs from "fs/promises"; | ||
| import { convert } from "html-to-text"; | ||
| import { basename } from "path"; | ||
|
|
||
| import { EmailString } from "../util/types.js"; | ||
|
|
||
| const logger = createLogger("imap"); | ||
|
|
||
| export interface ImapConfig { | ||
| host: string; | ||
| port: number; | ||
| username: string; | ||
| } | ||
|
|
||
| /** Docs say limit to 4MB uplod chuncks for large files */ | ||
| const UPLOAD_ATTACHMENT_CHUNK_SIZE = 4 * 1024 * 1024; | ||
|
|
||
| export class EmailUploader { | ||
| private client?: Client; | ||
|
|
||
| public async authenticate(desiredEmail: string, tenantId?: string, clientId?: string) { | ||
| logger.info("Getting OAuth token using Microsoft libraries..."); | ||
|
|
||
| if (!tenantId) { | ||
| throw new Error("Tenant ID not provided"); | ||
| } | ||
| if (!clientId) { | ||
| throw new Error("Client ID not provided"); | ||
| } | ||
|
|
||
| const credential = new InteractiveBrowserCredential({ | ||
| tenantId: tenantId, | ||
| clientId: clientId, | ||
| redirectUri: "http://localhost", | ||
| }); | ||
|
|
||
| // @microsoft/microsoft-graph-client/authProviders/azureTokenCredentials | ||
| const authProvider = new TokenCredentialAuthenticationProvider(credential, { | ||
| scopes: ["Mail.ReadWrite"], | ||
| }); | ||
|
|
||
| this.client = Client.initWithMiddleware({ authProvider: authProvider }); | ||
|
|
||
| try { | ||
| const user = await this.client.api("/me").get(); | ||
| if (user.mail === desiredEmail || user.userPrincipalName === desiredEmail) { | ||
| logger.info(`Authenticated user email matches the provided email ${desiredEmail}.`); | ||
| } else { | ||
| logger.error( | ||
| `Authenticated user email does not match the provided email ${desiredEmail}.`, | ||
| ); | ||
| throw new Error( | ||
| `Authenticated user email does not match the provided email ${desiredEmail}.`, | ||
| ); | ||
| } | ||
| } catch (error) { | ||
| logger.error("Error fetching user profile:", error); | ||
| throw error; | ||
| } | ||
| } | ||
|
|
||
| private async uploadFile(path: string, messageID: string) { | ||
| logger.info(`Uploading file ${path}...`); | ||
| if (!this.client) { | ||
| throw new Error("Client not authenticated"); | ||
| } | ||
| const fileData = await fs.readFile(path); | ||
| const fileStats = await fs.stat(path); | ||
| const filename = basename(path); | ||
|
|
||
| // If above 3MB | ||
| if (fileStats.size > 3 * 1024 * 1024) { | ||
| // 1: Create upload session | ||
| const uploadSession = await this.client | ||
| .api(`/me/messages/${messageID}/attachments/createUploadSession`) | ||
| .post({ | ||
| AttachmentItem: { | ||
| attachmentType: "file", | ||
| name: filename, | ||
| size: fileStats.size, | ||
| }, | ||
| }); | ||
| const { uploadUrl, nextExpectedRanges } = uploadSession; | ||
|
|
||
| if (!uploadUrl) { | ||
| throw new Error("No upload URL returned from createUploadSession."); | ||
| } | ||
|
|
||
| // 2: Upload file in chunks | ||
| let start = 0; | ||
| let end = UPLOAD_ATTACHMENT_CHUNK_SIZE - 1; | ||
| const fileSize = fileStats.size; | ||
|
|
||
| while (start < fileSize) { | ||
| const chunk = fileData.slice(start, end + 1); | ||
| const contentRange = `bytes ${start}-${end}/${fileSize}`; | ||
|
|
||
| const response = await fetch(uploadUrl, { | ||
| method: "PUT", | ||
| headers: { | ||
| "Content-Type": "application/octet-stream", | ||
| "Content-Range": contentRange, | ||
| "Content-Length": chunk.length.toString(), | ||
| }, | ||
| body: chunk, | ||
| }); | ||
|
|
||
| if (!response.ok) { | ||
| throw new Error(`Failed to upload chunk: ${response.statusText}`); | ||
| } | ||
|
|
||
| const responseBody = await response.json(); | ||
|
|
||
| // Update start and end based on next expected ranges | ||
| const nextExpectedRanges = responseBody.nextExpectedRanges; | ||
| if (nextExpectedRanges && nextExpectedRanges.length > 0) { | ||
| const nextRange = nextExpectedRanges[0].split("-"); | ||
| start = parseInt(nextRange[0], 10); | ||
| end = Math.min(start + UPLOAD_ATTACHMENT_CHUNK_SIZE - 1, fileSize - 1); | ||
| } else { | ||
| start += UPLOAD_ATTACHMENT_CHUNK_SIZE; | ||
| end = Math.min(start + UPLOAD_ATTACHMENT_CHUNK_SIZE - 1, fileSize - 1); | ||
| } | ||
| } | ||
|
|
||
| logger.info(`File ${path} uploaded successfully in chunks.`); | ||
| } else { | ||
| try { | ||
| const response = await this.client | ||
| .api(`/me/messages/${messageID}/attachments`) | ||
| .post({ | ||
| "@odata.type": "#microsoft.graph.fileAttachment", | ||
| name: filename, | ||
| contentBytes: fileData.toString("base64"), | ||
| }); | ||
| logger.debug(`File ${path} uploaded with response: ${JSON.stringify(response)}.`); | ||
| } catch (error) { | ||
| console.error("Error uploading file: ", error); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| public async uploadEmail( | ||
| to: string[], | ||
| subject: string, | ||
| html: string, | ||
| attachmentPaths: string[] = [], | ||
| additionalInfo: { cc: EmailString[]; bcc: EmailString[] } = { cc: [], bcc: [] }, | ||
| text: string = convert(html), | ||
| ) { | ||
| if (!this.client) { | ||
| throw new Error("Client not authenticated"); | ||
| } | ||
| try { | ||
| const draftMessage = { | ||
| subject, | ||
| body: { | ||
| contentType: "HTML", | ||
| content: html, | ||
| }, | ||
| toRecipients: to.map((email) => ({ | ||
| emailAddress: { | ||
| address: email, | ||
| }, | ||
| })), | ||
| ccRecipients: additionalInfo.cc.map((email) => ({ | ||
| emailAddress: { | ||
| address: email, | ||
| }, | ||
| })), | ||
| bccRecipients: additionalInfo.bcc.map((email) => ({ | ||
| emailAddress: { | ||
| address: email, | ||
| }, | ||
| })), | ||
| }; | ||
|
|
||
| const response = await this.client.api("/me/messages").post(draftMessage); | ||
| logger.debug("Draft email created with ID: ", response.id); | ||
|
|
||
| if (attachmentPaths.length > 0) { | ||
| logger.info("Uploading attachments..."); | ||
| await Promise.all( | ||
| attachmentPaths.map((path) => this.uploadFile(path, response.id)), | ||
| ); | ||
| } | ||
| } catch (error) { | ||
| console.error("Error uploading draft email: ", error); | ||
| } | ||
| } | ||
| } |
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