mirror of
https://github.com/nabbar/golib.git
synced 2025-09-26 20:01:15 +08:00

Package Errors: - add function to check & cast error interface into golib Error interface - update CodeError type to simplify management & error creation - add function to simplify call of Error function from a generic error interface - remove some useless function from Error interface All Other Packages: - apply change of package Errors into all other packages
96 lines
2.3 KiB
Go
96 lines
2.3 KiB
Go
/*
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* MIT License
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*
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* Copyright (c) 2020 Nicolas JUHEL
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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*/
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package smtp
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import (
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"crypto/tls"
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"net"
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"net/smtp"
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"strings"
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"sync"
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smtpcf "github.com/nabbar/golib/smtp/config"
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)
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type smtpClient struct {
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mut sync.Mutex
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con net.Conn
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cli *smtp.Client
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tls *tls.Config
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cfg smtpcf.SMTP
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}
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func (s *smtpClient) _ValidateLine(line string) error {
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if strings.ContainsAny(line, "\n\r") {
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return ErrorSMTPLineCRLF.Error(nil)
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}
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return nil
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}
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func (s *smtpClient) _close() {
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if s.cli != nil {
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if e := s.cli.Quit(); e != nil {
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_ = s.cli.Close()
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}
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s.cli = nil
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}
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if s.con != nil {
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_ = s.con.Close()
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s.con = nil
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}
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}
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// Clone is used to clone current smtp pointer to a new one with same config.
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func (s *smtpClient) Clone() SMTP {
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return &smtpClient{
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mut: sync.Mutex{},
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con: nil,
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cli: nil,
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tls: s.tls,
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cfg: s.cfg,
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}
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}
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// Close Terminate SMTP negotiation client and close connection.
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func (s *smtpClient) Close() {
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s.mut.Lock()
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defer s.mut.Unlock()
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s._close()
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}
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// UpdConfig is used to update the config & TLS Config for an instance.
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func (s *smtpClient) UpdConfig(cfg smtpcf.SMTP, tslConfig *tls.Config) {
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s._close()
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s.mut.Lock()
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defer s.mut.Unlock()
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s.cfg = cfg
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s.tls = tslConfig
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}
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