mail page rest

This commit is contained in:
alma 2025-04-21 13:19:49 +02:00
parent 4b15a9a5be
commit 0de5f61bce

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@ -61,15 +61,14 @@ interface Attachment {
}
interface ParsedEmailContent {
text: string;
html: string;
attachments: {
text: string | null;
html: string | null;
attachments: Array<{
filename: string;
contentType: string;
encoding: string;
content: string;
}[];
headers?: string;
}>;
}
interface ParsedEmailMetadata {
@ -122,119 +121,115 @@ function decodeQuotedPrintable(text: string, charset: string): string {
}
}
function parseFullEmail(emailRaw: string) {
function parseFullEmail(emailRaw: string): ParsedEmailContent {
console.log('=== parseFullEmail Debug ===');
console.log('Input email length:', emailRaw.length);
console.log('First 200 chars:', emailRaw.substring(0, 200));
// Check if this is a multipart message by looking for boundary definition
const boundaryMatch = emailRaw.match(/boundary="?([^"\r\n;]+)"?/i) ||
emailRaw.match(/boundary=([^\r\n;]+)/i);
console.log('Boundary found:', boundaryMatch ? boundaryMatch[1] : 'No boundary');
if (boundaryMatch) {
const boundary = boundaryMatch[1].trim();
// Check if there's a preamble before the first boundary
let mainHeaders = '';
let mainContent = emailRaw;
// Extract the headers before the first boundary if they exist
const firstBoundaryPos = emailRaw.indexOf('--' + boundary);
if (firstBoundaryPos > 0) {
const headerSeparatorPos = emailRaw.indexOf('\r\n\r\n');
if (headerSeparatorPos > 0 && headerSeparatorPos < firstBoundaryPos) {
mainHeaders = emailRaw.substring(0, headerSeparatorPos);
}
}
return processMultipartEmail(emailRaw, boundary, mainHeaders);
} else {
// This is a single part message
return processSinglePartEmail(emailRaw);
}
}
function processMultipartEmail(emailRaw: string, boundary: string, mainHeaders: string = ''): {
text: string;
html: string;
attachments: { filename: string; contentType: string; encoding: string; content: string; }[];
headers?: string;
} {
const result = {
text: '',
html: '',
attachments: [] as { filename: string; contentType: string; encoding: string; content: string; }[],
headers: mainHeaders
// Split headers and body
const headerBodySplit = emailRaw.split(/\r?\n\r?\n/);
const headers = headerBodySplit[0];
const body = headerBodySplit.slice(1).join('\n\n');
// Parse content type from headers
const contentTypeMatch = headers.match(/Content-Type:\s*([^;]+)/i);
const contentType = contentTypeMatch ? contentTypeMatch[1].trim().toLowerCase() : 'text/plain';
// Initialize result
const result: ParsedEmailContent = {
text: null,
html: null,
attachments: []
};
// Split by boundary (more robust pattern)
const boundaryRegex = new RegExp(`--${boundary}(?:--)?(\\r?\\n|$)`, 'g');
// Get all boundary positions
const matches = Array.from(emailRaw.matchAll(boundaryRegex));
const boundaryPositions = matches.map(match => match.index!);
// Extract content between boundaries
for (let i = 0; i < boundaryPositions.length - 1; i++) {
const startPos = boundaryPositions[i] + matches[i][0].length;
const endPos = boundaryPositions[i + 1];
if (endPos > startPos) {
const partContent = emailRaw.substring(startPos, endPos).trim();
// Handle multipart content
if (contentType.includes('multipart')) {
const boundaryMatch = emailRaw.match(/boundary="?([^"\r\n;]+)"?/i);
if (boundaryMatch) {
const boundary = boundaryMatch[1].trim();
const parts = emailRaw.split(new RegExp(`--${boundary}(?:--)?(\\r?\\n|$)`));
if (partContent) {
const decoded = processSinglePartEmail(partContent);
for (const part of parts) {
if (!part.trim()) continue;
if (decoded.contentType.includes('text/plain')) {
result.text = decoded.text || '';
} else if (decoded.contentType.includes('text/html')) {
result.html = cleanHtml(decoded.html || '');
} else if (
decoded.contentType.startsWith('image/') ||
decoded.contentType.startsWith('application/')
) {
const filename = extractFilename(partContent);
const partHeaderBodySplit = part.split(/\r?\n\r?\n/);
const partHeaders = partHeaderBodySplit[0];
const partBody = partHeaderBodySplit.slice(1).join('\n\n');
const partContentTypeMatch = partHeaders.match(/Content-Type:\s*([^;]+)/i);
const partContentType = partContentTypeMatch ? partContentTypeMatch[1].trim().toLowerCase() : 'text/plain';
if (partContentType.includes('text/plain')) {
result.text = decodeEmailBody(partBody, partContentType);
} else if (partContentType.includes('text/html')) {
result.html = decodeEmailBody(partBody, partContentType);
} else if (partContentType.startsWith('image/') || partContentType.startsWith('application/')) {
const filenameMatch = partHeaders.match(/filename="?([^"\r\n;]+)"?/i);
const filename = filenameMatch ? filenameMatch[1] : 'attachment';
result.attachments.push({
filename,
contentType: decoded.contentType,
encoding: decoded.raw?.headers ? parseEmailHeaders(decoded.raw.headers).encoding : '7bit',
content: decoded.raw?.body || ''
contentType: partContentType,
encoding: 'base64',
content: partBody
});
}
}
}
} else {
// Single part content
if (contentType.includes('text/html')) {
result.html = decodeEmailBody(body, contentType);
} else {
result.text = decodeEmailBody(body, contentType);
}
}
return result;
}
function processSinglePartEmail(rawEmail: string) {
// Split headers and body
const headerBodySplit = rawEmail.split(/\r?\n\r?\n/);
const headers = headerBodySplit[0];
const body = headerBodySplit.slice(1).join('\n\n');
// Parse headers to get content type, encoding, etc.
const emailInfo = parseEmailHeaders(headers);
// Decode the body based on its encoding
const decodedBody = decodeMIME(body, emailInfo.encoding, emailInfo.charset);
return {
subject: extractHeader(headers, 'Subject'),
from: extractHeader(headers, 'From'),
to: extractHeader(headers, 'To'),
date: extractHeader(headers, 'Date'),
contentType: emailInfo.contentType,
text: emailInfo.contentType.includes('html') ? null : decodedBody,
html: emailInfo.contentType.includes('html') ? decodedBody : null,
raw: {
headers,
body
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();
}
function extractHeader(headers: string, headerName: string): string {
@ -454,54 +449,26 @@ const renderEmailContent = (email: Email) => {
try {
const parsed = parseFullEmail(email.body);
console.log('Parsed content:', {
hasText: 'text' in parsed ? !!parsed.text : false,
hasHtml: 'html' in parsed ? !!parsed.html : false,
textPreview: 'text' in parsed ? parsed.text?.substring(0, 100) : 'No text',
htmlPreview: 'html' in parsed ? parsed.html?.substring(0, 100) : 'No HTML'
hasText: !!parsed.text,
hasHtml: !!parsed.html,
textPreview: parsed.text?.substring(0, 100) || 'No text',
htmlPreview: parsed.html?.substring(0, 100) || 'No HTML'
});
const isHtml = 'html' in parsed ? !!parsed.html : email.body.includes('<');
const content = 'text' in parsed ? parsed.text : ('html' in parsed ? parsed.html || '' : email.body);
const content = parsed.html || parsed.text || email.body;
const isHtml = !!parsed.html;
console.log('Selected content type:', isHtml ? 'HTML' : 'Plain text');
console.log('Content preview:', content.substring(0, 100) + '...');
if (isHtml) {
// Enhanced HTML sanitization
const sanitizedHtml = content
.replace(/<script\b[^<]*(?:(?!<\/script>)<[^<]*)*<\/script>/gi, '')
.replace(/<style\b[^<]*(?:(?!<\/style>)<[^<]*)*<\/style>/gi, '')
.replace(/on\w+="[^"]*"/g, '')
.replace(/on\w+='[^']*'/g, '')
.replace(/javascript:/gi, '')
.replace(/data:/gi, '')
.replace(/<meta[^>]*>/gi, '')
.replace(/<link[^>]*>/gi, '')
// Fix common email client quirks
.replace(/=3D/g, '=')
.replace(/=20/g, ' ')
.replace(/=E2=80=99/g, "'")
.replace(/=E2=80=9C/g, '"')
.replace(/=E2=80=9D/g, '"')
.replace(/=E2=80=93/g, '')
.replace(/=E2=80=94/g, '—')
.replace(/=C2=A0/g, ' ')
.replace(/=C3=A0/g, 'à')
.replace(/=C3=A9/g, 'é')
.replace(/=C3=A8/g, 'è')
.replace(/=C3=AA/g, 'ê')
.replace(/=C3=AB/g, 'ë')
.replace(/=C3=B4/g, 'ô')
.replace(/=C3=B9/g, 'ù')
.replace(/=C3=BB/g, 'û');
return (
<div className="prose prose-sm max-w-none">
{'attachments' in parsed && parsed.attachments && parsed.attachments.length > 0 && (
{parsed.attachments.length > 0 && (
<div className="mb-4 p-2 bg-gray-50 rounded">
<h4 className="text-sm font-medium mb-2">Attachments:</h4>
<div className="space-y-1">
{parsed.attachments.map((attachment, index: number) => (
{parsed.attachments.map((attachment, index) => (
<div key={index} className="flex items-center gap-2 text-sm">
<Paperclip className="h-4 w-4 text-gray-500" />
<span>{attachment.filename}</span>
@ -513,40 +480,17 @@ const renderEmailContent = (email: Email) => {
</div>
</div>
)}
<div dangerouslySetInnerHTML={{ __html: sanitizedHtml }} />
<div dangerouslySetInnerHTML={{ __html: content }} />
</div>
);
} else {
// Enhanced plain text formatting
const formattedText = content
.replace(/\n/g, '<br>')
.replace(/\t/g, '&nbsp;&nbsp;&nbsp;&nbsp;')
.replace(/ /g, '&nbsp;&nbsp;')
// Fix common email client quirks
.replace(/=3D/g, '=')
.replace(/=20/g, ' ')
.replace(/=E2=80=99/g, "'")
.replace(/=E2=80=9C/g, '"')
.replace(/=E2=80=9D/g, '"')
.replace(/=E2=80=93/g, '')
.replace(/=E2=80=94/g, '—')
.replace(/=C2=A0/g, ' ')
.replace(/=C3=A0/g, 'à')
.replace(/=C3=A9/g, 'é')
.replace(/=C3=A8/g, 'è')
.replace(/=C3=AA/g, 'ê')
.replace(/=C3=AB/g, 'ë')
.replace(/=C3=B4/g, 'ô')
.replace(/=C3=B9/g, 'ù')
.replace(/=C3=BB/g, 'û');
return (
<div className="prose prose-sm max-w-none whitespace-pre-wrap">
{'attachments' in parsed && parsed.attachments && parsed.attachments.length > 0 && (
{parsed.attachments.length > 0 && (
<div className="mb-4 p-2 bg-gray-50 rounded">
<h4 className="text-sm font-medium mb-2">Attachments:</h4>
<div className="space-y-1">
{parsed.attachments.map((attachment, index: number) => (
{parsed.attachments.map((attachment, index) => (
<div key={index} className="flex items-center gap-2 text-sm">
<Paperclip className="h-4 w-4 text-gray-500" />
<span>{attachment.filename}</span>
@ -558,7 +502,7 @@ const renderEmailContent = (email: Email) => {
</div>
</div>
)}
<div dangerouslySetInnerHTML={{ __html: formattedText }} />
<div>{content}</div>
</div>
);
}
@ -1287,17 +1231,17 @@ export default function MailPage() {
try {
const parsed = parseFullEmail(email.body);
console.log('Parsed content:', {
hasText: 'text' in parsed ? !!parsed.text : false,
hasHtml: 'html' in parsed ? !!parsed.html : false,
textPreview: 'text' in parsed ? parsed.text?.substring(0, 100) : 'No text',
htmlPreview: 'html' in parsed ? parsed.html?.substring(0, 100) : 'No HTML'
hasText: !!parsed.text,
hasHtml: !!parsed.html,
textPreview: parsed.text?.substring(0, 100) || 'No text',
htmlPreview: parsed.html?.substring(0, 100) || 'No HTML'
});
let preview = '';
if ('text' in parsed && parsed.text) {
if (parsed.text) {
preview = parsed.text;
console.log('Using text content for preview');
} else if ('html' in parsed && parsed.html) {
} else if (parsed.html) {
preview = parsed.html
.replace(/<style[^>]*>[\s\S]*?<\/style>/gi, '')
.replace(/<script[^>]*>[\s\S]*?<\/script>/gi, '')
@ -1327,22 +1271,6 @@ export default function MailPage() {
.replace(/boundary=[^\n]+/g, '')
.replace(/charset=[^\n]+/g, '')
.replace(/[\r\n]+/g, ' ')
.replace(/=3D/g, '=')
.replace(/=20/g, ' ')
.replace(/=E2=80=99/g, "'")
.replace(/=E2=80=9C/g, '"')
.replace(/=E2=80=9D/g, '"')
.replace(/=E2=80=93/g, '')
.replace(/=E2=80=94/g, '—')
.replace(/=C2=A0/g, ' ')
.replace(/=C3=A0/g, 'à')
.replace(/=C3=A9/g, 'é')
.replace(/=C3=A8/g, 'è')
.replace(/=C3=AA/g, 'ê')
.replace(/=C3=AB/g, 'ë')
.replace(/=C3=B4/g, 'ô')
.replace(/=C3=B9/g, 'ù')
.replace(/=C3=BB/g, 'û')
.trim();
// Take first 100 characters
@ -1357,11 +1285,10 @@ export default function MailPage() {
preview += '...';
}
console.log('Final preview:', preview);
return preview || 'No preview available';
return preview;
} catch (e) {
console.error('Error in generateEmailPreview:', e);
return 'Error generating preview';
console.error('Error generating preview:', e);
return '(No preview available)';
}
};