Neah/lib/mail-parser-wrapper.ts
2025-04-26 08:47:35 +02:00

121 lines
3.4 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', 'font', 'div', 'span', 'a', 'img', 'b', 'strong', 'i', 'em', 'u', 'br', 'p', 'ul', 'ol', 'li', 'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'blockquote', 'pre', 'code', 'center', 'section', 'header', 'footer', 'article', 'nav'],
ADD_ATTR: ['*', 'colspan', 'rowspan', 'cellpadding', 'cellspacing', 'border', 'bgcolor', 'width', 'height', 'align', 'valign', 'class', 'id', 'style', 'color', 'face', 'size', 'background', 'src', 'href', 'target', 'rel', 'alt', 'title', 'name'],
ALLOW_UNKNOWN_PROTOCOLS: true,
WHOLE_DOCUMENT: true,
KEEP_CONTENT: true,
RETURN_DOM: false,
FORBID_TAGS: ['script', 'iframe', 'object', 'embed', 'form', 'input', 'button', 'select', 'option', 'textarea', 'canvas', 'video', 'audio'],
FORBID_ATTR: ['onerror', 'onload', 'onclick', 'onmouseover', 'onmouseout', 'onchange', 'onsubmit']
});
} catch (error) {
console.error('Error cleaning HTML:', error);
return html;
}
}