Arx/npub.email
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handle emails with attachments (attachments are ignored, may be handled in the future), and emails with non ascii characters. ref #5

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Danny Morabito 2024-11-29 13:46:22 +01:00
parent 9565115ec2
commit 4b528e07a6
Signed by: dannym
GPG key ID: 7CC8056A5A04557E
1 changed files with 12 additions and 3 deletions
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15
src/lib/letter.ts
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@ -12,7 +12,7 @@ function parseTextPlainContent(mimeMessage: string) {
for (const body of boundaries) { for (const body of boundaries) {
const headers: Record<string, string> = {}; const headers: Record<string, string> = {};
const lines = body.split('\r\n'); const lines = body.split(/\r?\n/);
let isLookingForHeaders = true; let isLookingForHeaders = true;
let content = ''; let content = '';
for (const line of lines) { for (const line of lines) {
@ -33,7 +33,12 @@ function parseTextPlainContent(mimeMessage: string) {
if (bodies.length === 0) return mimeMessage; if (bodies.length === 0) return mimeMessage;
let chosenBody = bodies.find((body) => body.headers['Content-Type'] === 'text/plain'); if (bodies[0].headers['content-type']?.toLowerCase().startsWith('multipart/alternative'))
return parseTextPlainContent(bodies[0].content);
let chosenBody = bodies.find((body) =>
body.headers['content-type']?.toLowerCase()?.startsWith('text/plain')
);
if (!chosenBody) chosenBody = bodies[0]; if (!chosenBody) chosenBody = bodies[0];
const encoding = chosenBody.headers['content-transfer-encoding']; const encoding = chosenBody.headers['content-transfer-encoding'];
@ -43,7 +48,11 @@ function parseTextPlainContent(mimeMessage: string) {
case '7bit': case '7bit':
return chosenBody.content; return chosenBody.content;
case 'base64': case 'base64':
return atob(chosenBody.content.replaceAll('\n', '')); const raw = atob(chosenBody.content.replaceAll('\n', ''));
const bytes = new Uint8Array(raw.length);
for (let i = 0; i < raw.length; i++) bytes[i] = raw.charCodeAt(i);
const decoder = new TextDecoder('utf8');
return decoder.decode(bytes);
case 'quoted-printable': case 'quoted-printable':
return chosenBody.content return chosenBody.content
.replace(/=\r\n/g, '') .replace(/=\r\n/g, '')