72 lines
1.8 KiB
Bash
Executable file
72 lines
1.8 KiB
Bash
Executable file
#!/usr/bin/env bash
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err() {
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errpre=""
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errpost=""
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if test -t 1; then
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ncolors=$(tput colors)
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if test -n "$ncolors" && test "$ncolors" -ge 8; then
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errpre="$(tput setaf 1)"
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errpost="$(tput setaf 7)"
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fi
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fi
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>&2 echo "${errpre}ERROR: $*${errpost}"; usage; exit 1
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}
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warn() {
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pre=""
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post=""
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if test -t 1; then
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ncolors=$(tput colors)
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if test -n "$ncolors" && test "$ncolors" -ge 8; then
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pre="$(tput setaf 3)"
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post="$(tput setaf 7)"
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fi
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fi
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>&2 echo "${pre}WARNING: $*${post}"
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}
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usage() { >&2 cat <<USAGEDOC
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usage:
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email-via-mailgun-smtp [recipient] [subject] [username] [password] <<< 'Hello, world!'
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email-via-mailgun-smtp will read all the input from stdin and use the contents as the body of the email.
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recipient will default to DEFAULT_MAILGUN_SMTP_RECIPIENT if not set
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username will default to DEFAULT_MAILGUN_SMTP_USERNAME if not set
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password will default to DEFAULT_MAILGUN_SMTP_PASSWORD if not set
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subject will default to DEFAULT_MAILGUN_SMTP_SUBJECT if not set
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USAGEDOC
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}
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recipient="${1:-$DEFAULT_MAILGUN_SMTP_RECIPIENT}"; shift
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[[ -z $recipient ]] && err 'No recipient provided.'
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subject="${1:-$DEFAULT_MAILGUN_SMTP_SUBJECT}"; shift
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[[ -z $subject ]] && warn 'No subject provided. Leaving blank.'
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username="${1:-$DEFAULT_MAILGUN_SMTP_USERNAME}"; shift
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[[ -z $username ]] && err 'No username provided.'
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password="${1:-$DEFAULT_MAILGUN_SMTP_PASSWORD}"; shift
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[[ -z $password ]] && err 'No password provided.'
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warn "Reading email body from stdin..."
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body=""
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while read -r line; do
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body="${body}\n${line}"
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done
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[[ -z $body ]] && err 'Body was blank.'
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echo "Recipient: $recipient"
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>&2 echo "Finished reading body. Sending email..."
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swaks --auth \
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--server smtp.mailgun.org \
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--au "$username" \
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--ap "$password" \
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--to "$recipient" \
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--h-Subject: "$subject" \
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--body "$body" |