Neah/lib/mail-parser-wrapper.ts
2025-04-26 08:36:51 +02:00

119 lines
2.9 KiB
TypeScript

'use client';
import DOMPurify from 'dompurify';
export interface ParsedEmail {
subject: string | null;
from: string | null;
to: string | null;
cc: string | null;
bcc: string | null;
date: Date | null;
html: string | null;
text: string | null;
attachments: Array<{
filename: string;
contentType: string;
size: number;
}>;
headers: Record<string, any>;
}
export async function decodeEmail(emailContent: string): Promise<ParsedEmail> {
try {
// Ensure the email content is properly formatted
const formattedContent = emailContent?.trim();
if (!formattedContent) {
return {
subject: null,
from: null,
to: null,
cc: null,
bcc: null,
date: null,
html: null,
text: 'No content available',
attachments: [],
headers: {}
};
}
const response = await fetch('/api/parse-email', {
method: 'POST',
headers: {
'Content-Type': 'application/json',
},
body: JSON.stringify({ email: formattedContent }),
});
const data = await response.json();
if (!response.ok) {
console.error('API Error:', data);
return {
subject: null,
from: null,
to: null,
cc: null,
bcc: null,
date: null,
html: null,
text: data.error || 'Failed to parse email',
attachments: [],
headers: {}
};
}
// If we have a successful response but no content
if (!data.html && !data.text) {
return {
...data,
date: data.date ? new Date(data.date) : null,
html: null,
text: 'No content available',
attachments: data.attachments || [],
headers: data.headers || {}
};
}
return {
...data,
date: data.date ? new Date(data.date) : null,
text: data.text || null,
html: data.html || null,
attachments: data.attachments || [],
headers: data.headers || {}
};
} catch (error) {
console.error('Error parsing email:', error);
return {
subject: null,
from: null,
to: null,
cc: null,
bcc: null,
date: null,
html: null,
text: 'Error parsing email content',
attachments: [],
headers: {}
};
}
}
export function cleanHtml(html: string): string {
try {
// Enhanced configuration to preserve more HTML elements for complex emails
return DOMPurify.sanitize(html, {
ADD_TAGS: ['style', 'meta', 'link', 'table', 'thead', 'tbody', 'tr', 'td', 'th', 'hr'],
ADD_ATTR: ['*', 'colspan', 'rowspan', 'cellpadding', 'cellspacing', 'border', 'bgcolor', 'width', 'height', 'align', 'valign', 'class', 'id', 'style'],
ALLOW_UNKNOWN_PROTOCOLS: true,
WHOLE_DOCUMENT: true,
KEEP_CONTENT: true,
RETURN_DOM: false
});
} catch (error) {
console.error('Error cleaning HTML:', error);
return html;
}
}