feat: MSK, MSK CONNECT and SES

2026-10-05 11:06:57 -04:00
parent 2d8ff50a99
commit c0d3e5f402
84 changed files with 3513 additions and 195 deletions
@@ -0,0 +1,60 @@
+export function decodeRawMime(rawData: string): string {
+    try {
+        return atob(rawData)
+    } catch {
+        return rawData
+    }
+}
+
+export function parseMimeAttachments(rawMime: string): Array<{filename: string | null; contentType: string; disposition: string; contentId: string | null}> {
+    const boundary = /^Content-Type:\s*multipart\/[^;]+;\s*boundary="?([^";\r\n]+)"?/im.exec(rawMime)?.[1]
+    if (!boundary) return []
+    return rawMime.split(`--${boundary}`).slice(1, -1).flatMap((part) => {
+        const headerBlock = part.replace(/^\r?\n/, '').split(/\r?\n\r?\n/, 1)[0]
+        const headers = Object.fromEntries(headerBlock.replace(/\r?\n[ \t]+/g, ' ').split(/\r?\n/).flatMap((line) => {
+            const separator = line.indexOf(':')
+            return separator === -1 ? [] : [[line.slice(0, separator).toLowerCase(), line.slice(separator + 1).trim()]]
+        })) as Record<string, string>
+        const contentType = headers['content-type'] ?? 'application/octet-stream'
+        const dispositionHeader = headers['content-disposition'] ?? ''
+        const filename = parameter(dispositionHeader, 'filename') ?? parameter(contentType, 'name')
+        if (!filename && !/attachment|inline/i.test(dispositionHeader)) return []
+        return [{filename, contentType: contentType.split(';', 1)[0], disposition: /^inline/i.test(dispositionHeader) ? 'inline' : 'attachment', contentId: headers['content-id']?.replace(/^<|>$/g, '') ?? null}]
+    })
+}
+
+export function inlineMimeImages(rawMime: string): Record<string, string> {
+    const boundary = /^Content-Type:\s*multipart\/[^;]+;\s*boundary="?([^";\r\n]+)"?/im.exec(rawMime)?.[1]
+    if (!boundary) return {}
+    return Object.fromEntries(rawMime.split(`--${boundary}`).slice(1, -1).flatMap((part) => {
+        const [headerBlock, body] = part.replace(/^\r?\n/, '').split(/\r?\n\r?\n/, 2)
+        const contentType = /^Content-Type:\s*([^;\r\n]+)/im.exec(headerBlock)?.[1]?.toLowerCase()
+        const contentId = /^Content-ID:\s*<([^>]+)>/im.exec(headerBlock)?.[1]
+        const encoding = /^Content-Transfer-Encoding:\s*base64/im.test(headerBlock)
+        if (!contentType?.startsWith('image/') || !contentId || !encoding || !body) return []
+        return [[contentId, `data:${contentType};base64,${body.replace(/\s/g, '')}`]]
+    }))
+}
+
+export function htmlMimePart(rawMime: string): string | null {
+    const boundary = /^Content-Type:\s*multipart\/[^;]+;\s*boundary="?([^";\r\n]+)"?/im.exec(rawMime)?.[1]
+    if (!boundary) return null
+    for (const part of rawMime.split(`--${boundary}`).slice(1, -1)) {
+        const [headerBlock, body] = part.replace(/^\r?\n/, '').split(/\r?\n\r?\n/, 2)
+        if (!/^Content-Type:\s*text\/html(?:;|\s|$)/im.test(headerBlock) || !body) continue
+        if (/^Content-Transfer-Encoding:\s*base64/im.test(headerBlock)) {
+            try {
+                return atob(body.replace(/\s/g, ''))
+            } catch {
+                return null
+            }
+        }
+        return body
+    }
+    return null
+}
+
+function parameter(value: string, name: string): string | null {
+    const match = new RegExp(`${name}\\*?=(?:UTF-8''|")?([^;"]+)`, 'i').exec(value)
+    return match?.[1]?.trim() ?? null
+}