Mercurial > gemma
annotate pkg/misc/mail.go @ 5435:351d38269e4e marking-single-beam
Display of the according type of sounding data in legend.
author | Thomas Junk <thomas.junk@intevation.de> |
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date | Tue, 13 Jul 2021 10:59:22 +0200 |
parents | dcd5692a2889 |
children | 1222b777f51f |
rev | line source |
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1017
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1 // This is Free Software under GNU Affero General Public License v >= 3.0 |
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2 // without warranty, see README.md and license for details. |
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3 // |
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4 // SPDX-License-Identifier: AGPL-3.0-or-later |
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5 // License-Filename: LICENSES/AGPL-3.0.txt |
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6 // |
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7 // Copyright (C) 2018 by via donau |
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8 // – Österreichische Wasserstraßen-Gesellschaft mbH |
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9 // Software engineering by Intevation GmbH |
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10 // |
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11 // Author(s): |
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12 // * Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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13 |
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14 package misc |
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15 |
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16 import ( |
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17 "io" |
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18 |
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19 gomail "gopkg.in/gomail.v2" |
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20 |
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21 "gemma.intevation.de/gemma/pkg/config" |
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22 ) |
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23 |
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24 type EmailReceiver struct { |
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25 Name string |
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26 Address string |
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27 } |
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28 |
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29 type EmailAttachment struct { |
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30 Name string |
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31 Content []byte |
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32 } |
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33 |
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34 // SendMail sends an email to a given address with a given subject |
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35 // and body. |
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36 // The credentials to contact the SMPT server are taken from the |
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37 // configuration. |
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38 func SendMail(address, subject, body string) error { |
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39 m := gomail.NewMessage() |
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40 m.SetHeader("From", config.MailFrom()) |
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41 m.SetHeader("To", address) |
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42 m.SetHeader("Subject", subject) |
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43 m.SetBody("text/plain", body) |
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44 |
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45 d := gomail.Dialer{ |
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46 Host: config.MailHost(), |
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47 Port: int(config.MailPort()), |
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48 Username: config.MailUser(), |
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49 Password: config.MailPassword(), |
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50 LocalName: config.MailHelo(), |
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51 SSL: config.MailPort() == 465, |
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52 } |
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53 |
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54 return d.DialAndSend(m) |
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55 } |
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56 |
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57 func SendMailToAll( |
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58 receivers []EmailReceiver, |
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59 subject string, |
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60 body func(EmailReceiver) (string, error), |
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61 attachments []EmailAttachment, |
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62 errorHandler func(EmailReceiver, error) error, |
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63 ) error { |
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64 |
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65 d := gomail.Dialer{ |
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66 Host: config.MailHost(), |
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67 Port: int(config.MailPort()), |
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68 Username: config.MailUser(), |
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69 Password: config.MailPassword(), |
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70 LocalName: config.MailHelo(), |
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71 SSL: config.MailPort() == 465, |
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72 } |
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73 |
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74 s, err := d.Dial() |
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75 if err != nil { |
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76 return err |
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77 } |
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78 defer s.Close() |
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79 |
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80 m := gomail.NewMessage() |
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81 for _, r := range receivers { |
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82 m.SetHeader("From", config.MailFrom()) |
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83 m.SetAddressHeader("To", r.Address, r.Name) |
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84 m.SetHeader("Subject", subject) |
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85 b, err := body(r) |
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86 if err != nil { |
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87 return err |
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88 } |
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89 m.SetBody("text/plain", b) |
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90 for _, at := range attachments { |
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91 content := at.Content |
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92 m.Attach(at.Name, gomail.SetCopyFunc(func(w io.Writer) error { |
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93 _, err := w.Write(content) |
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94 return err |
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95 })) |
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96 } |
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97 |
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98 if err := gomail.Send(s, m); err != nil { |
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99 if err = errorHandler(r, err); err != nil { |
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100 return err |
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101 } |
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102 } |
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103 m.Reset() |
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104 } |
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105 return nil |
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106 } |