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#21: Add possbility to set dedicated envelope from address
- Added `EnvelopeFrom()` and `EnvelopeFromFormat()` methods analogous to the `From()` `FromFormat()` methods - Changed MsgWriter logic for envelope from addresses - Adjusted `Msg.GetSender()` to return the envelope from first and only mail body from if the envelope is not set
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3 changed files with 41 additions and 6 deletions
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@ -81,7 +81,7 @@ const (
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HeaderXPriority Header = "X-Priority"
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HeaderXPriority Header = "X-Priority"
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)
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)
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// List of common generic header field names
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// List of common address header field names
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const (
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const (
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// HeaderBcc is the "Blind Carbon Copy" header field
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// HeaderBcc is the "Blind Carbon Copy" header field
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HeaderBcc AddrHeader = "Bcc"
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HeaderBcc AddrHeader = "Bcc"
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@ -89,6 +89,10 @@ const (
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// HeaderCc is the "Carbon Copy" header field
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// HeaderCc is the "Carbon Copy" header field
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HeaderCc AddrHeader = "Cc"
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HeaderCc AddrHeader = "Cc"
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// HeaderEnvelopeFrom is the envelope FROM header field
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// It's not included in the mail body but only used by the Client for the envelope
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HeaderEnvelopeFrom AddrHeader = "EnvelopeFrom"
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// HeaderFrom is the "From" header field
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// HeaderFrom is the "From" header field
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HeaderFrom AddrHeader = "From"
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HeaderFrom AddrHeader = "From"
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24
msg.go
24
msg.go
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@ -197,6 +197,18 @@ func (m *Msg) SetAddrHeaderIgnoreInvalid(h AddrHeader, v ...string) {
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m.addrHeader[h] = al
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m.addrHeader[h] = al
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}
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}
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// EnvelopeFrom takes and validates a given mail address and sets it as envelope "FROM"
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// addrHeader of the Msg
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func (m *Msg) EnvelopeFrom(f string) error {
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return m.SetAddrHeader(HeaderEnvelopeFrom, f)
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}
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// EnvelopeFromFormat takes a name and address, formats them RFC5322 compliant and stores them as
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// the envelope FROM address header field
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func (m *Msg) EnvelopeFromFormat(n, a string) error {
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return m.SetAddrHeader(HeaderEnvelopeFrom, fmt.Sprintf(`"%s" <%s>`, n, a))
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}
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// From takes and validates a given mail address and sets it as "From" genHeader of the Msg
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// From takes and validates a given mail address and sets it as "From" genHeader of the Msg
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func (m *Msg) From(f string) error {
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func (m *Msg) From(f string) error {
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return m.SetAddrHeader(HeaderFrom, f)
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return m.SetAddrHeader(HeaderFrom, f)
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@ -365,12 +377,16 @@ func (m *Msg) SetUserAgent(a string) {
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m.SetHeader(HeaderXMailer, a)
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m.SetHeader(HeaderXMailer, a)
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}
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}
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// GetSender returns the currently set FROM address. If f is true, it will return the full
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// GetSender returns the currently set envelope FROM address. If no envelope FROM is set it will use
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// address string including the address name, if set
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// the first mail body FROM address. If ff is true, it will return the full address string including
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// the address name, if set
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func (m *Msg) GetSender(ff bool) (string, error) {
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func (m *Msg) GetSender(ff bool) (string, error) {
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f, ok := m.addrHeader[HeaderFrom]
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f, ok := m.addrHeader[HeaderEnvelopeFrom]
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if !ok || len(f) == 0 {
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if !ok || len(f) == 0 {
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return "", ErrNoFromAddress
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f, ok = m.addrHeader[HeaderFrom]
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if !ok || len(f) == 0 {
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return "", ErrNoFromAddress
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}
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}
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}
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if ff {
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if ff {
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return f[0].String(), nil
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return f[0].String(), nil
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17
msgwriter.go
17
msgwriter.go
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@ -54,7 +54,22 @@ func (mw *msgWriter) writeMsg(m *Msg) {
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m.addDefaultHeader()
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m.addDefaultHeader()
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m.checkUserAgent()
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m.checkUserAgent()
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mw.writeGenHeader(m)
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mw.writeGenHeader(m)
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for _, t := range []AddrHeader{HeaderFrom, HeaderTo, HeaderCc} {
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// Set the FROM header (or envelope FROM if FROM is empty)
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hf := true
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f, ok := m.addrHeader[HeaderFrom]
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if !ok || len(f) == 0 {
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f, ok = m.addrHeader[HeaderEnvelopeFrom]
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if !ok || len(f) == 0 {
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hf = false
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}
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}
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if hf {
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mw.writeHeader(Header(HeaderFrom), f[0].String())
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}
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// Set the rest of the address headers
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for _, t := range []AddrHeader{HeaderTo, HeaderCc} {
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if al, ok := m.addrHeader[t]; ok {
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if al, ok := m.addrHeader[t]; ok {
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var v []string
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var v []string
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for _, a := range al {
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for _, a := range al {
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