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annotate mod_rest/example/rest.sh @ 5330:071d05b13a06

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mod_rest/rest.sh: Update 'client_uri' to module page This started as a convenience wrapper for httpie + mod_rest that eventually grew OAuth support.
author Kim Alvefur <zash@zash.se>
date Fri, 07 Apr 2023 15:27:03 +0200
parents 107d60c70c1a
children e28ba69b5307
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4ed65a6c2a6a mod_rest: Add an example bash script for using mod_rest
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1 #!/bin/bash -eu
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2
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3 # Copyright (c) Kim Alvefur
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4 # This file is MIT/X11 licensed.
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5
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6 # Dependencies:
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7 # - https://httpie.io/
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8 # - https://github.com/stedolan/jq
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9 # - some sort of XDG 'open' command
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10
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11 # Settings
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12 HOST=""
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13 DOMAIN=""
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14
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15 AUTH_METHOD="session-read-only"
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16 AUTH_ID="rest"
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17
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18 if [ -f "${XDG_CONFIG_HOME:-$HOME/.config}/restrc" ]; then
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19 # Config file can contain the above settings
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20 source "${XDG_CONFIG_HOME:-$HOME/.config}/restrc"
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21 fi
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22
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23 if [[ $# == 0 ]]; then
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24 echo "${0##*/} [-h HOST] [-u USER|--login] [/path] kind=(message|presence|iq) ...."
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25 # Last arguments are handed to HTTPie, so refer to its docs for further details
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26 exit 0
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27 fi
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28
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29 if [[ "$1" == "-h" ]]; then
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30 HOST="$2"
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31 shift 2
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32 elif [ -z "${HOST:-}" ]; then
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33 HOST="$(hostname)"
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34 fi
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35
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36 if [[ "$HOST" != *.* ]]; then
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37 # Assumes subdomain of your DOMAIN
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38 if [ -z "${DOMAIN:-}" ]; then
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39 DOMAIN="$(hostname -d)"
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40 fi
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41 if [[ "$HOST" == *:* ]]; then
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42 HOST="${HOST%:*}.$DOMAIN:${HOST#*:}"
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43 else
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44 HOST="$HOST.$DOMAIN"
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45 fi
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46 fi
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47
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48 if [[ "$1" == "-u" ]]; then
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49 # -u username
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50 AUTH_METHOD="auth"
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51 AUTH_ID="$2"
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52 shift 2
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53 elif [[ "$1" == "-rw" ]]; then
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54 # To e.g. save Accept headers to the session
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55 AUTH_METHOD="session"
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56 shift 1
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57 fi
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58
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59 if [[ "$1" == "--login" ]]; then
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60 shift 1
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61
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62 # Check cache for OAuth client
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63 if [ -f "${XDG_CACHE_HOME:-$HOME/.cache}/rest/$HOST" ]; then
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64 source "${XDG_CACHE_HOME:-$HOME/.cache}/rest/$HOST"
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65 fi
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66
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67 OAUTH_META="$(http --check-status --json "https://$HOST/.well-known/oauth-authorization-server" Accept:application/json)"
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68 AUTHORIZATION_ENDPOINT="$(echo "$OAUTH_META" | jq -e -r '.authorization_endpoint')"
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69 if [ -z "${OAUTH_CLIENT_INFO:-}" ]; then
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70 # Register a new OAuth client
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71 REGISTRATION_ENDPOINT="$(echo "$OAUTH_META" | jq -e -r '.registration_endpoint')"
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72 OAUTH_CLIENT_INFO="$(http --check-status "$REGISTRATION_ENDPOINT" Content-Type:application/json Accept:application/json client_name=rest client_uri="https://modules.prosody.im/mod_rest" redirect_uris:='["urn:ietf:wg:oauth:2.0:oob"]')"
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73 mkdir -p "${XDG_CACHE_HOME:-$HOME/.cache}/rest/"
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74 typeset -p OAUTH_CLIENT_INFO >> "${XDG_CACHE_HOME:-$HOME/.cache}/rest/$HOST"
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75 fi
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76
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77 CLIENT_ID="$(echo "$OAUTH_CLIENT_INFO" | jq -e -r '.client_id')"
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78 CLIENT_SECRET="$(echo "$OAUTH_CLIENT_INFO" | jq -e -r '.client_secret')"
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79
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80 open "$AUTHORIZATION_ENDPOINT?response_type=code&client_id=$CLIENT_ID&scope=openid+prosody:user"
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81 read -p "Paste authorization code: " -s -r AUTHORIZATION_CODE
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82
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83 TOKEN_ENDPOINT="$(echo "$OAUTH_META" | jq -e -r '.token_endpoint')"
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84 TOKEN="$(http --check-status --form "$TOKEN_ENDPOINT" 'grant_type=authorization_code' "client_id=$CLIENT_ID" "client_secret=$CLIENT_SECRET" "code=$AUTHORIZATION_CODE" | jq -e -r '.access_token')"
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85
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86 USERINFO_ENDPOINT="$(echo "$OAUTH_META" | jq -e -r '.userinfo_endpoint')"
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87
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88 if [ -n "${COLORTERM:-}" ]; then
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89 echo -ne '\e[1K\e[G'
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90 else
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91 echo
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92 fi
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93 http --check-status -b --session rest "$USERINFO_ENDPOINT" "Authorization:Bearer $TOKEN" Accept:application/json >&2
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94 AUTH_METHOD="session-read-only"
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95 AUTH_ID="rest"
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96 fi
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97
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98 if [[ $# == 0 ]]; then
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99 # Just login?
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100 exit 0
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101 fi
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102
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103 # For e.g /disco/example.com and such GET queries
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104 GET_PATH=""
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105 if [[ "$1" == /* ]]; then
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106 GET_PATH="$1"
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107 shift 1
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108 fi
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109
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110 http --check-status -p b "--$AUTH_METHOD" "$AUTH_ID" "https://$HOST/rest$GET_PATH" "$@"