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feat: Add new script SchleuderResendEnc for 'X-RESEND-ENC' pseudo-header #4

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feat: Add new script SchleuderResendEnc for 'X-RESEND-ENC' pseudo-header #4

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41 changes: 41 additions & 0 deletions scripts/SchleuderResendEnc.mjs
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Original file line number Diff line number Diff line change
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export async function SchleuderResendEnc() {
let { plainTextBody } = await this.compose.getComposeDetails()

let resentLines = plainTextBody.match(/Resent: (.*)\n/)
let fromLines = plainTextBody.match(/From: .*\n/g)
let toLines = plainTextBody.match(/To: .*\n/g)
let ccLines = plainTextBody.match(/Cc: .*\n/g)

let headerLines = []

if (resentLines != null) { headerLines = headerLines.concat(resentLines) }
if (fromLines != null) { headerLines = headerLines.concat(fromLines[0].split(",")) }
if (toLines != null) { headerLines = headerLines.concat(toLines[0].split(",")) }
if (ccLines != null) { headerLines = headerLines.concat(ccLines[0].split(",")) }

let resentEmails = [];

for (let elem in headerLines) {
if (headerLines[elem] == null) { continue };

// Match all possible email in the string
let emails = headerLines[elem].match(/\S+@\S+\.\S+/g)
if (emails == null) { continue };

emails = emails.map(sanitizeMail)

for (let email in emails) {
resentEmails.push("X-RESEND-ENC: ".concat(emails[email]))
}
}

if (headerLines.length == 0) {
resentEmails.push("X-RESEND-ENC: ")
}

return resentEmails.join("\n")

function sanitizeMail(value) {
return value.replace(/</g, '').replace(/>/g, '').replace(/"/g, '')
}
}