mirror of
https://github.com/plantroon/acme.sh.git
synced 2024-12-25 14:41:40 +00:00
Rework read/save config to not save default values
Add and use _readaccountconf_mutable_default and _saveaccountconf_mutable_default helpers to capture common default value handling. New approach also eliminates need for separate underscore-prefixed version of each conf var.
This commit is contained in:
medmunds
parent
585c0c3818
commit
6e77756d6a
253
notify/smtp.sh
253
notify/smtp.sh
@ -17,155 +17,150 @@
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# SMTP_TIMEOUT="30" # seconds for SMTP operations to timeout
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# SMTP_BIN="/path/to/curl_or_python" # default finds first of curl, python3, or python on PATH
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SMTP_SECURE_DEFAULT="none"
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SMTP_TIMEOUT_DEFAULT="30"
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# subject content statuscode
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smtp_send() {
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_SMTP_SUBJECT="$1"
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_SMTP_CONTENT="$2"
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SMTP_SUBJECT="$1"
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SMTP_CONTENT="$2"
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# UNUSED: _statusCode="$3" # 0: success, 1: error 2($RENEW_SKIP): skipped
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# Load config:
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SMTP_FROM="${SMTP_FROM:-$(_readaccountconf_mutable SMTP_FROM)}"
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SMTP_TO="${SMTP_TO:-$(_readaccountconf_mutable SMTP_TO)}"
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SMTP_HOST="${SMTP_HOST:-$(_readaccountconf_mutable SMTP_HOST)}"
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SMTP_PORT="${SMTP_PORT:-$(_readaccountconf_mutable SMTP_PORT)}"
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SMTP_SECURE="${SMTP_SECURE:-$(_readaccountconf_mutable SMTP_SECURE)}"
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SMTP_USERNAME="${SMTP_USERNAME:-$(_readaccountconf_mutable SMTP_USERNAME)}"
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SMTP_PASSWORD="${SMTP_PASSWORD:-$(_readaccountconf_mutable SMTP_PASSWORD)}"
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SMTP_TIMEOUT="${SMTP_TIMEOUT:-$(_readaccountconf_mutable SMTP_TIMEOUT)}"
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SMTP_BIN="${SMTP_BIN:-$(_readaccountconf_mutable SMTP_BIN)}"
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_debug "SMTP_FROM" "$SMTP_FROM"
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_debug "SMTP_TO" "$SMTP_TO"
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_debug "SMTP_HOST" "$SMTP_HOST"
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_debug "SMTP_PORT" "$SMTP_PORT"
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_debug "SMTP_SECURE" "$SMTP_SECURE"
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_debug "SMTP_USERNAME" "$SMTP_USERNAME"
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_secure_debug "SMTP_PASSWORD" "$SMTP_PASSWORD"
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_debug "SMTP_TIMEOUT" "$SMTP_TIMEOUT"
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_debug "SMTP_BIN" "$SMTP_BIN"
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_debug "_SMTP_SUBJECT" "$_SMTP_SUBJECT"
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_debug "_SMTP_CONTENT" "$_SMTP_CONTENT"
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# Validate config and apply defaults:
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# _SMTP_* variables are the resolved (with defaults) versions of SMTP_*.
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# (The _SMTP_* versions will not be stored in account conf.)
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# Load and validate config:
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SMTP_BIN="$(_readaccountconf_mutable_default SMTP_BIN)"
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if [ -n "$SMTP_BIN" ] && ! _exists "$SMTP_BIN"; then
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_err "SMTP_BIN '$SMTP_BIN' does not exist."
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return 1
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fi
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_SMTP_BIN="$SMTP_BIN"
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if [ -z "$_SMTP_BIN" ]; then
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if [ -z "$SMTP_BIN" ]; then
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# Look for a command that can communicate with an SMTP server.
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# (Please don't add sendmail, ssmtp, mutt, mail, or msmtp here.
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# Those are already handled by the "mail" notify hook.)
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for cmd in curl python3 python2.7 python pypy3 pypy; do
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if _exists "$cmd"; then
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_SMTP_BIN="$cmd"
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SMTP_BIN="$cmd"
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break
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fi
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done
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if [ -z "$_SMTP_BIN" ]; then
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if [ -z "$SMTP_BIN" ]; then
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_err "The smtp notify-hook requires curl or Python, but can't find any."
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_err 'If you have one of them, define SMTP_BIN="/path/to/curl_or_python".'
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_err 'Otherwise, see if you can use the "mail" notify-hook instead.'
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return 1
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fi
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_debug "_SMTP_BIN" "$_SMTP_BIN"
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fi
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_debug SMTP_BIN "$SMTP_BIN"
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_saveaccountconf_mutable_default SMTP_BIN "$SMTP_BIN"
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SMTP_FROM="$(_readaccountconf_mutable_default SMTP_FROM)"
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if [ -z "$SMTP_FROM" ]; then
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_err "You must define SMTP_FROM as the sender email address."
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return 1
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fi
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_SMTP_FROM="$SMTP_FROM"
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_debug SMTP_FROM "$SMTP_FROM"
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_saveaccountconf_mutable_default SMTP_FROM "$SMTP_FROM"
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SMTP_TO="$(_readaccountconf_mutable_default SMTP_TO)"
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if [ -z "$SMTP_TO" ]; then
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_err "You must define SMTP_TO as the recipient email address."
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return 1
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fi
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_SMTP_TO="$SMTP_TO"
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_debug SMTP_TO "$SMTP_TO"
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_saveaccountconf_mutable_default SMTP_TO "$SMTP_TO"
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SMTP_HOST="$(_readaccountconf_mutable_default SMTP_HOST)"
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if [ -z "$SMTP_HOST" ]; then
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_err "You must define SMTP_HOST as the SMTP server hostname."
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return 1
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fi
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_SMTP_HOST="$SMTP_HOST"
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_debug SMTP_HOST "$SMTP_HOST"
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_saveaccountconf_mutable_default SMTP_HOST "$SMTP_HOST"
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_SMTP_SECURE="${SMTP_SECURE:-none}"
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case "$_SMTP_SECURE" in
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"none") smtp_default_port="25" ;;
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"ssl") smtp_default_port="465" ;;
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"tls") smtp_default_port="587" ;;
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SMTP_SECURE="$(_readaccountconf_mutable_default SMTP_SECURE "$SMTP_SECURE_DEFAULT")"
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case "$SMTP_SECURE" in
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"none") smtp_port_default="25" ;;
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"ssl") smtp_port_default="465" ;;
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"tls") smtp_port_default="587" ;;
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*)
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_err "Invalid SMTP_SECURE='$SMTP_SECURE'. It must be 'ssl', 'tls' or 'none'."
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return 1
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;;
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esac
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_debug SMTP_SECURE "$SMTP_SECURE"
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_saveaccountconf_mutable_default SMTP_SECURE "$SMTP_SECURE" "$SMTP_SECURE_DEFAULT"
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_SMTP_PORT="${SMTP_PORT:-$smtp_default_port}"
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if [ -z "$SMTP_PORT" ]; then
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_debug "_SMTP_PORT" "$_SMTP_PORT"
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fi
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SMTP_PORT="$(_readaccountconf_mutable_default SMTP_PORT "$smtp_port_default")"
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case "$SMTP_PORT" in
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*[!0-9]*)
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_err "Invalid SMTP_PORT='$SMTP_PORT'. It must be a port number."
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return 1
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;;
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esac
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_debug SMTP_PORT "$SMTP_PORT"
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_saveaccountconf_mutable_default SMTP_PORT "$SMTP_PORT" "$smtp_port_default"
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_SMTP_USERNAME="$SMTP_USERNAME"
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_SMTP_PASSWORD="$SMTP_PASSWORD"
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_SMTP_TIMEOUT="${SMTP_TIMEOUT:-30}"
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_SMTP_X_MAILER="${PROJECT_NAME} ${VER} --notify-hook smtp"
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SMTP_USERNAME="$(_readaccountconf_mutable_default SMTP_USERNAME)"
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_debug SMTP_USERNAME "$SMTP_USERNAME"
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_saveaccountconf_mutable_default SMTP_USERNAME "$SMTP_USERNAME"
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SMTP_PASSWORD="$(_readaccountconf_mutable_default SMTP_PASSWORD)"
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_secure_debug SMTP_PASSWORD "$SMTP_PASSWORD"
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_saveaccountconf_mutable_default SMTP_PASSWORD "$SMTP_PASSWORD"
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SMTP_TIMEOUT="$(_readaccountconf_mutable_default SMTP_TIMEOUT "$SMTP_TIMEOUT_DEFAULT")"
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_debug SMTP_TIMEOUT "$SMTP_TIMEOUT"
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_saveaccountconf_mutable_default SMTP_TIMEOUT "$SMTP_TIMEOUT" "$SMTP_TIMEOUT_DEFAULT"
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SMTP_X_MAILER="${PROJECT_NAME} ${VER} --notify-hook smtp"
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# Run with --debug 2 (or above) to echo the transcript of the SMTP session.
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# Careful: this may include SMTP_PASSWORD in plaintext!
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if [ "${DEBUG:-$DEBUG_LEVEL_NONE}" -ge "$DEBUG_LEVEL_2" ]; then
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_SMTP_SHOW_TRANSCRIPT="True"
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SMTP_SHOW_TRANSCRIPT="True"
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else
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_SMTP_SHOW_TRANSCRIPT=""
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SMTP_SHOW_TRANSCRIPT=""
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fi
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_debug SMTP_SUBJECT "$SMTP_SUBJECT"
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_debug SMTP_CONTENT "$SMTP_CONTENT"
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# Send the message:
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case "$(basename "$_SMTP_BIN")" in
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case "$(basename "$SMTP_BIN")" in
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curl) _smtp_send=_smtp_send_curl ;;
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py*) _smtp_send=_smtp_send_python ;;
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*)
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_err "Can't figure out how to invoke $_SMTP_BIN."
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_err "Can't figure out how to invoke '$SMTP_BIN'."
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_err "Check your SMTP_BIN setting."
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return 1
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;;
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esac
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if ! smtp_output="$($_smtp_send)"; then
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_err "Error sending message with $_SMTP_BIN."
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_err "Error sending message with $SMTP_BIN."
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if [ -n "$smtp_output" ]; then
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_err "$smtp_output"
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fi
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return 1
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fi
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# Save config only if send was successful:
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_saveaccountconf_mutable SMTP_BIN "$SMTP_BIN"
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_saveaccountconf_mutable SMTP_FROM "$SMTP_FROM"
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_saveaccountconf_mutable SMTP_TO "$SMTP_TO"
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_saveaccountconf_mutable SMTP_HOST "$SMTP_HOST"
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_saveaccountconf_mutable SMTP_PORT "$SMTP_PORT"
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_saveaccountconf_mutable SMTP_SECURE "$SMTP_SECURE"
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_saveaccountconf_mutable SMTP_USERNAME "$SMTP_USERNAME"
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_saveaccountconf_mutable SMTP_PASSWORD "$SMTP_PASSWORD"
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_saveaccountconf_mutable SMTP_TIMEOUT "$SMTP_TIMEOUT"
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return 0
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}
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# Send the message via curl using _SMTP_* variables
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##
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## curl smtp sending
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##
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# Send the message via curl using SMTP_* variables
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_smtp_send_curl() {
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# curl passes --mail-from and --mail-rcpt directly to the SMTP protocol without
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# additional parsing, and SMTP requires addr-spec only (no display names).
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# In the future, maybe try to parse the addr-spec out for curl args (non-trivial).
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if _email_has_display_name "$_SMTP_FROM"; then
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if _email_has_display_name "$SMTP_FROM"; then
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_err "curl smtp only allows a simple email address in SMTP_FROM."
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_err "Change your SMTP_FROM='$SMTP_FROM' to remove the display name."
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return 1
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fi
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if _email_has_display_name "$_SMTP_TO"; then
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if _email_has_display_name "$SMTP_TO"; then
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_err "curl smtp only allows simple email addresses in SMTP_TO."
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_err "Change your SMTP_TO='$SMTP_TO' to remove the display name(s)."
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return 1
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@ -173,20 +168,20 @@ _smtp_send_curl() {
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# Build curl args in $@
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case "$_SMTP_SECURE" in
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case "$SMTP_SECURE" in
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none)
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set -- --url "smtp://${_SMTP_HOST}:${_SMTP_PORT}"
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set -- --url "smtp://${SMTP_HOST}:${SMTP_PORT}"
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;;
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ssl)
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set -- --url "smtps://${_SMTP_HOST}:${_SMTP_PORT}"
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set -- --url "smtps://${SMTP_HOST}:${SMTP_PORT}"
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;;
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tls)
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set -- --url "smtp://${_SMTP_HOST}:${_SMTP_PORT}" --ssl-reqd
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set -- --url "smtp://${SMTP_HOST}:${SMTP_PORT}" --ssl-reqd
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;;
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*)
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# This will only occur if someone adds a new SMTP_SECURE option above
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# without updating this code for it.
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_err "Unhandled _SMTP_SECURE='$_SMTP_SECURE' in _smtp_send_curl"
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_err "Unhandled SMTP_SECURE='$SMTP_SECURE' in _smtp_send_curl"
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_err "Please re-run with --debug and report a bug."
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return 1
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;;
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@ -194,23 +189,23 @@ _smtp_send_curl() {
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set -- "$@" \
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--upload-file - \
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--mail-from "$_SMTP_FROM" \
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--max-time "$_SMTP_TIMEOUT"
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--mail-from "$SMTP_FROM" \
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--max-time "$SMTP_TIMEOUT"
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# Burst comma-separated $_SMTP_TO into individual --mail-rcpt args.
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_to="${_SMTP_TO},"
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# Burst comma-separated $SMTP_TO into individual --mail-rcpt args.
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_to="${SMTP_TO},"
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while [ -n "$_to" ]; do
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_rcpt="${_to%%,*}"
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_to="${_to#*,}"
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set -- "$@" --mail-rcpt "$_rcpt"
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done
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_smtp_login="${_SMTP_USERNAME}:${_SMTP_PASSWORD}"
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_smtp_login="${SMTP_USERNAME}:${SMTP_PASSWORD}"
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if [ "$_smtp_login" != ":" ]; then
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set -- "$@" --user "$_smtp_login"
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fi
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if [ "$_SMTP_SHOW_TRANSCRIPT" = "True" ]; then
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if [ "$SMTP_SHOW_TRANSCRIPT" = "True" ]; then
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set -- "$@" --verbose
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else
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set -- "$@" --silent --show-error
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@ -218,24 +213,24 @@ _smtp_send_curl() {
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raw_message="$(_smtp_raw_message)"
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_debug2 "curl command:" "$_SMTP_BIN" "$*"
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_debug2 "curl command:" "$SMTP_BIN" "$*"
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_debug2 "raw_message:\n$raw_message"
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echo "$raw_message" | "$_SMTP_BIN" "$@"
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echo "$raw_message" | "$SMTP_BIN" "$@"
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}
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# Output an RFC-822 / RFC-5322 email message using _SMTP_* variables
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# Output an RFC-822 / RFC-5322 email message using SMTP_* variables
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_smtp_raw_message() {
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echo "From: $_SMTP_FROM"
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echo "To: $_SMTP_TO"
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echo "Subject: $(_mime_encoded_word "$_SMTP_SUBJECT")"
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echo "From: $SMTP_FROM"
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echo "To: $SMTP_TO"
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echo "Subject: $(_mime_encoded_word "$SMTP_SUBJECT")"
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if _exists date; then
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echo "Date: $(date +'%a, %-d %b %Y %H:%M:%S %z')"
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fi
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echo "Content-Type: text/plain; charset=utf-8"
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echo "X-Mailer: $_SMTP_X_MAILER"
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echo "X-Mailer: $SMTP_X_MAILER"
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echo
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echo "$_SMTP_CONTENT"
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echo "$SMTP_CONTENT"
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}
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# Convert text to RFC-2047 MIME "encoded word" format if it contains non-ASCII chars
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@ -260,12 +255,16 @@ _email_has_display_name() {
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expr "$_email" : '^.*[<>"]' >/dev/null
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}
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# Send the message via Python using _SMTP_* variables
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##
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## Python smtp sending
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##
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# Send the message via Python using SMTP_* variables
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_smtp_send_python() {
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_debug "Python version" "$("$_SMTP_BIN" --version 2>&1)"
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_debug "Python version" "$("$SMTP_BIN" --version 2>&1)"
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# language=Python
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"$_SMTP_BIN" <<EOF
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"$SMTP_BIN" <<PYTHON
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# This code is meant to work with either Python 2.7.x or Python 3.4+.
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try:
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try:
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@ -279,20 +278,20 @@ except ImportError as err:
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" a reduced version of Python unsuitable for sending mail: %s" % err)
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exit(1)
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show_transcript = """$_SMTP_SHOW_TRANSCRIPT""" == "True"
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show_transcript = """$SMTP_SHOW_TRANSCRIPT""" == "True"
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smtp_host = """$_SMTP_HOST"""
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smtp_port = int("""$_SMTP_PORT""")
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smtp_secure = """$_SMTP_SECURE"""
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username = """$_SMTP_USERNAME"""
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password = """$_SMTP_PASSWORD"""
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timeout=int("""$_SMTP_TIMEOUT""") # seconds
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x_mailer="""$_SMTP_X_MAILER"""
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smtp_host = """$SMTP_HOST"""
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smtp_port = int("""$SMTP_PORT""")
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smtp_secure = """$SMTP_SECURE"""
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username = """$SMTP_USERNAME"""
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password = """$SMTP_PASSWORD"""
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timeout=int("""$SMTP_TIMEOUT""") # seconds
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x_mailer="""$SMTP_X_MAILER"""
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from_email="""$_SMTP_FROM"""
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to_emails="""$_SMTP_TO""" # can be comma-separated
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subject="""$_SMTP_SUBJECT"""
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content="""$_SMTP_CONTENT"""
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from_email="""$SMTP_FROM"""
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to_emails="""$SMTP_TO""" # can be comma-separated
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subject="""$SMTP_SUBJECT"""
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content="""$SMTP_CONTENT"""
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try:
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msg = EmailMessage()
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@ -330,5 +329,49 @@ except SocketError as err:
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finally:
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if smtp is not None:
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smtp.quit()
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EOF
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PYTHON
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}
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##
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## Conf helpers
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##
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#_readaccountconf_mutable_default name default_value
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# Given a name like MY_CONF:
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# - if MY_CONF is set and non-empty, output $MY_CONF
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# - if MY_CONF is set _empty_, output $default_value
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# (lets user `export MY_CONF=` to clear previous saved value
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# and return to default, without user having to know default)
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# - otherwise if _readaccountconf_mutable $name is non-empty, return that
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# (value of SAVED_MY_CONF from account.conf)
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# - otherwise output $default_value
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_readaccountconf_mutable_default() {
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_name="$1"
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_default_value="$2"
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eval "_value=\"\$$_name\""
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eval "_explicit_empty_value=\"\${${_name}+empty}\""
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if [ -z "${_value}" ] && [ "${_explicit_empty_value:-}" != "empty" ]; then
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_value="$(_readaccountconf_mutable "$_name")"
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fi
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if [ -z "${_value}" ]; then
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_value="$_default_value"
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fi
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printf "%s" "$_value"
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}
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#_saveaccountconf_mutable_default name value default_value base64encode
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# Like _saveaccountconf_mutable, but if value is default_value
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# then _clearaccountconf_mutable instead
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_saveaccountconf_mutable_default() {
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_name="$1"
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_value="$2"
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_default_value="$3"
|
||||
_base64encode="$4"
|
||||
|
||||
if [ "$_value" != "$_default_value" ]; then
|
||||
_saveaccountconf_mutable "$_name" "$_value" "$_base64encode"
|
||||
else
|
||||
_clearaccountconf_mutable "$_name"
|
||||
fi
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user