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annotate example_test.go @ 12:66b46b3d73be default tip

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Handle capabilities sent by the server after negotiating a SASL security layer
author Guido Berhoerster <guido+managesieve@berhoerster.name>
date Tue, 09 Feb 2021 23:01:02 +0100
parents f9bb517e9447
children
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Guido Berhoerster <guido+managesieve@berhoerster.name>
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1 // Copyright (C) 2020 Guido Berhoerster <guido+managesieve@berhoerster.name>
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2 //
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3 // Permission is hereby granted, free of charge, to any person obtaining
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4 // a copy of this software and associated documentation files (the
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5 // "Software"), to deal in the Software without restriction, including
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6 // without limitation the rights to use, copy, modify, merge, publish,
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7 // distribute, sublicense, and/or sell copies of the Software, and to
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8 // permit persons to whom the Software is furnished to do so, subject to
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9 // the following conditions:
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10 //
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11 // The above copyright notice and this permission notice shall be included
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12 // in all copies or substantial portions of the Software.
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13 //
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14 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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15 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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16 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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17 // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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18 // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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19 // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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20 // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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21
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22 package managesieve_test
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23
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24 import (
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25 "crypto/tls"
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26 "fmt"
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27 "log"
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28
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29 "go.guido-berhoerster.org/managesieve"
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30 )
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31
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32 func Example() {
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33 host := "mail.example.org"
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34 username := "foo"
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35 password := "S3cR3T"
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36 script := `require "fileinto";
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37
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38 if address :is "from" "foo@example.com" {
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39 fileinto "INBOX/foo";
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40 }
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41 `
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42 scriptName := "newscript"
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43
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44 // Try to look up a SRV record for given domain and fall back to the
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45 // domain and port 4190.
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46 var hostport string
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47 if services, err := managesieve.LookupService(host); err != nil {
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48 hostport = host + ":4190"
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49 } else {
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50 hostport = services[0]
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51 }
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52
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53 // Connect to the ManageSieve server.
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54 c, err := managesieve.Dial(hostport)
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55 if err != nil {
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56 log.Fatalf("failed to connect: %s", err)
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57 }
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58
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59 // Establish a TLS connection.
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60 tlsConf := &tls.Config{ServerName: host}
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61 if err := c.StartTLS(tlsConf); err != nil {
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62 log.Fatalf("failed to start TLS connection: %s", err)
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63 }
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64
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65 // Authenticate the user using the PLAIN SASL mechanism.
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66 auth := managesieve.PlainAuth("", username, password, host)
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67 if err := c.Authenticate(auth); err != nil {
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68 log.Fatalf("failed to authenticate user %s: %s", username, err)
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69 }
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70
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71 // Check the validity of the script.
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72 if warnings, err := c.CheckScript(script); err != nil {
0
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73 log.Fatalf("script %q is not valid: %s", scriptName, err)
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74 } else if warnings != "" {
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75 log.Printf("warning: %s", warnings)
0
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76 }
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77
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78 // Check whether ther is sufficient space for uploading the script.
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79 if ok, err := c.HaveSpace(scriptName, int64(len(script))); err != nil {
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80 log.Fatalf("failed to determine whether there is enough space: %s",
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81 err)
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82 } else if !ok {
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83 log.Fatalf("not enough space to upload script %q", scriptName)
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84 }
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85
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86 // Upload the script.
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87 if warnings, err := c.PutScript(scriptName, script); err != nil {
0
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88 log.Fatalf("failed to upload script %q: %s", scriptName, err)
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89 } else if warnings != "" {
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90 log.Printf("warning: %s", warnings)
0
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91 }
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92
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93 // Activate the uploaded script
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94 if err = c.ActivateScript(scriptName); err != nil {
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95 log.Fatalf("failed to set script %q active: %s", scriptName,
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96 err)
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97 }
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98
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99 // Get a list of the names of all scripts on the server and determine
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100 // the currently active script.
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101 scripts, active, err := c.ListScripts()
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102 if err != nil {
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103 log.Fatalf("failed to list scripts: %s", err)
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104 }
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105 if active != scriptName {
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106 log.Fatalf("%q is not the active script", scriptName)
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107 }
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108 // Download each script from the list.
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109 for _, name := range scripts {
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110 if name == active {
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111 fmt.Printf("%q:\n", name)
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112 } else {
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113 fmt.Printf("%q (active):\n", name)
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114 }
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115
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116 content, err := c.GetScript(name)
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117 if err != nil {
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118 log.Fatalf("failed to get script %q: %s", name, err)
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119 }
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120 fmt.Println(content)
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121 }
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122
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123 // Rename the script to "temp".
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124 if err = c.RenameScript(scriptName, "temp"); err != nil {
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125 log.Fatalf("RENAMESCRIPT failed: %s", err)
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126 }
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127
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128 // Delete the script.
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129 if err = c.DeleteScript("temp"); err != nil {
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130 log.Fatalf("DELETESCRIPT failed: %s", err)
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131 }
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132
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133 // Log out and close the connection.
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134 if err = c.Logout(); err != nil {
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135 log.Fatalf("failed to log out: %s", err)
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136 }
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137 }