mail page imap connection mime 5 bis rest 16 login page 22

app/api/mail/route.ts

@@ -1,7 +1,7 @@
 import { NextResponse } from 'next/server';
 import Imap from 'imap';
 import nodemailer from 'nodemailer';
-import { parseEmailHeaders } from '@/lib/email-parser';
+import { parseEmailHeaders, decodeEmailBody } from '@/lib/email-parser';
 import { cookies } from 'next/headers';
 
 interface StoredCredentials {
@@ -153,30 +153,73 @@ export async function GET() {
 
     const fetchPromise = (imap: Imap, seqno: number): Promise<ImapMessage> => {
       return new Promise((resolve, reject) => {
-        const f = imap.fetch(seqno, { bodies: ['HEADER', 'TEXT'] });
+        const f = imap.fetch(seqno, {
+          bodies: ['HEADER', 'TEXT'],
+          struct: true,
+          markSeen: false
+        });
+        
         f.on('message', (msg: ImapMessage) => {
           resolve(msg);
         });
-        f.once('error', reject);
+        
+        f.once('error', (err: Error) => {
+          console.error('Fetch error:', err);
+          reject(err);
+        });
       });
     };
 
     const processMessage = (msg: ImapMessage): Promise<any> => {
       return new Promise((resolve, reject) => {
-        let body = '';
-        msg.body['TEXT'].on('data', (chunk: Buffer) => {
-          body += chunk.toString('utf8');
+        let headerContent = '';
+        let bodyContent = '';
+        let headersParsed = false;
+        let bodyParsed = false;
+
+        // Process headers
+        msg.body['HEADER']?.on('data', (chunk: Buffer) => {
+          headerContent += chunk.toString('utf8');
         });
-        msg.body['TEXT'].on('end', () => {
-          const headers = parseEmailHeaders(body);
-          resolve({
-            uid: msg.attributes.uid,
-            flags: msg.attributes.flags,
-            size: msg.attributes.size,
-            ...headers
-          });
+
+        // Process body
+        msg.body['TEXT']?.on('data', (chunk: Buffer) => {
+          bodyContent += chunk.toString('utf8');
         });
-        msg.body['TEXT'].on('error', reject);
+
+        const tryResolve = () => {
+          if (headersParsed && bodyParsed) {
+            try {
+              const headers = parseEmailHeaders(headerContent);
+              const contentType = headerContent.match(/Content-Type:\s*([^;\r\n]+)/i)?.[1] || 'text/plain';
+              const decodedBody = decodeEmailBody(bodyContent, contentType);
+
+              resolve({
+                uid: msg.attributes.uid,
+                flags: msg.attributes.flags,
+                size: msg.attributes.size,
+                body: decodedBody,
+                ...headers
+              });
+            } catch (error) {
+              console.error('Error processing message:', error);
+              reject(error);
+            }
+          }
+        };
+
+        msg.body['HEADER']?.on('end', () => {
+          headersParsed = true;
+          tryResolve();
+        });
+
+        msg.body['TEXT']?.on('end', () => {
+          bodyParsed = true;
+          tryResolve();
+        });
+
+        msg.body['HEADER']?.on('error', reject);
+        msg.body['TEXT']?.on('error', reject);
       });
     };
 
@@ -197,16 +240,23 @@ export async function GET() {
       return {
         id: msg.uid.toString(),
         from: msg.from,
-        subject: msg.subject,
-        date: msg.date,
+        subject: msg.subject || '(No subject)',
+        date: new Date(msg.date),
         read: !msg.flags?.includes('\\Unseen'),
         starred: msg.flags?.includes('\\Flagged') || false,
-        body: msg.body,
-        to: msg.to // add this if available
+        body: msg.body || '',
+        to: msg.to
       };
     });
 
-    return NextResponse.json(emails);
+    return NextResponse.json({
+      emails,
+      mailUrl: process.env.NEXTCLOUD_URL ? `${process.env.NEXTCLOUD_URL}/apps/mail/` : null
+    }, {
+      headers: {
+        'Content-Type': 'application/json'
+      }
+    });
   } catch (error) {
     console.error('Error fetching emails:', error);
     const status = error instanceof Error && error.message.includes('Invalid login')

lib/email-parser.ts

@@ -1,23 +1,93 @@
-export function parseEmailHeaders(emailBody: string): { from: string; subject: string; date: string } {
+interface EmailHeaders {
+  from: string;
+  subject: string;
+  date: string;
+  to?: string;
+}
+
+export function parseEmailHeaders(headerContent: string): EmailHeaders {
   const headers: { [key: string]: string } = {};
-  
-  // Split the email body into lines
-  const lines = emailBody.split('\r\n');
-  
-  // Parse headers
-  for (const line of lines) {
-    if (line.trim() === '') break; // Stop at the first empty line (end of headers)
+  let currentHeader = '';
+  let currentValue = '';
+
+  // Split the header content into lines
+  const lines = headerContent.split(/\r?\n/);
+
+  for (let i = 0; i < lines.length; i++) {
+    const line = lines[i];
     
-    const match = line.match(/^([^:]+):\s*(.+)$/);
+    // If line starts with whitespace, it's a continuation of the previous header
+    if (/^\s+/.test(line)) {
+      currentValue += ' ' + line.trim();
+      continue;
+    }
+
+    // If we have a current header being processed, save it
+    if (currentHeader && currentValue) {
+      headers[currentHeader.toLowerCase()] = currentValue.trim();
+    }
+
+    // Start processing new header
+    const match = line.match(/^([^:]+):\s*(.*)$/);
     if (match) {
-      const [, key, value] = match;
-      headers[key.toLowerCase()] = value;
+      currentHeader = match[1];
+      currentValue = match[2];
     }
   }
-  
+
+  // Save the last header
+  if (currentHeader && currentValue) {
+    headers[currentHeader.toLowerCase()] = currentValue.trim();
+  }
+
   return {
     from: headers['from'] || '',
     subject: headers['subject'] || '',
-    date: headers['date'] || new Date().toISOString()
+    date: headers['date'] || new Date().toISOString(),
+    to: headers['to']
   };
+}
+
+export function decodeEmailBody(content: string, contentType: string): string {
+  try {
+    // Remove email client-specific markers
+    content = content.replace(/\r\n/g, '\n')
+                    .replace(/=\n/g, '')
+                    .replace(/=3D/g, '=')
+                    .replace(/=09/g, '\t');
+
+    // If it's HTML content
+    if (contentType.includes('text/html')) {
+      return extractTextFromHtml(content);
+    }
+
+    return content;
+  } catch (error) {
+    console.error('Error decoding email body:', error);
+    return content;
+  }
+}
+
+function extractTextFromHtml(html: string): string {
+  // Remove scripts and style tags
+  html = html.replace(/<script[^>]*>[\s\S]*?<\/script>/gi, '')
+             .replace(/<style[^>]*>[\s\S]*?<\/style>/gi, '');
+
+  // Convert <br> and <p> to newlines
+  html = html.replace(/<br[^>]*>/gi, '\n')
+             .replace(/<p[^>]*>/gi, '\n')
+             .replace(/<\/p>/gi, '\n');
+
+  // Remove all other HTML tags
+  html = html.replace(/<[^>]+>/g, '');
+
+  // Decode HTML entities
+  html = html.replace(/&nbsp;/g, ' ')
+             .replace(/&amp;/g, '&')
+             .replace(/&lt;/g, '<')
+             .replace(/&gt;/g, '>')
+             .replace(/&quot;/g, '"');
+
+  // Clean up whitespace
+  return html.replace(/\n\s*\n/g, '\n\n').trim();
 }