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3bb97b81 JQ |
1 | #!/usr/bin/env sh |
2 | # | |
3 | # deSEC.io Domain API | |
4 | # | |
5 | # Author: Zheng Qian | |
6 | # | |
7 | # deSEC API doc | |
8 | # https://desec.readthedocs.io/en/latest/ | |
9 | ||
10 | REST_API="https://desec.io/api/v1/domains" | |
11 | ||
12 | ######## Public functions ##################### | |
13 | ||
14 | #Usage: dns_desec_add _acme-challenge.foobar.dedyn.io "d41d8cd98f00b204e9800998ecf8427e" | |
15 | dns_desec_add() { | |
16 | fulldomain=$1 | |
17 | txtvalue=$2 | |
18 | _info "Using desec.io api" | |
19 | _debug fulldomain "$fulldomain" | |
20 | _debug txtvalue "$txtvalue" | |
21 | ||
22 | DEDYN_TOKEN="${DEDYN_TOKEN:-$(_readaccountconf_mutable DEDYN_TOKEN)}" | |
23 | DEDYN_NAME="${DEDYN_NAME:-$(_readaccountconf_mutable DEDYN_NAME)}" | |
24 | ||
25 | if [ -z "$DEDYN_TOKEN" ] || [ -z "$DEDYN_NAME" ]; then | |
26 | DEDYN_TOKEN="" | |
27 | DEDYN_NAME="" | |
28 | _err "You don't specify DEDYN_TOKEN and DEDYN_NAME yet." | |
29 | _err "Please create you key and try again." | |
30 | _err "e.g." | |
31 | _err "export DEDYN_TOKEN=d41d8cd98f00b204e9800998ecf8427e" | |
32 | _err "export DEDYN_NAME=foobar.dedyn.io" | |
33 | return 1 | |
34 | fi | |
35 | #save the api token and name to the account conf file. | |
36 | _saveaccountconf_mutable DEDYN_TOKEN "$DEDYN_TOKEN" | |
37 | _saveaccountconf_mutable DEDYN_NAME "$DEDYN_NAME" | |
38 | ||
39 | _debug "First detect the root zone" | |
40 | if ! _get_root "$fulldomain" "$REST_API/"; then | |
41 | _err "invalid domain" | |
42 | return 1 | |
43 | fi | |
44 | _debug _sub_domain "$_sub_domain" | |
45 | _debug _domain "$_domain" | |
46 | ||
47 | # Get existing TXT record | |
48 | _debug "Getting txt records" | |
49 | txtvalues="\"\\\"$txtvalue\\\"\"" | |
50 | _desec_rest GET "$REST_API/$DEDYN_NAME/rrsets/$_sub_domain/TXT/" | |
51 | ||
52 | if [ "$_code" = "200" ]; then | |
53 | oldtxtvalues="$(echo "$response" | _egrep_o "\"records\":\\[\"\\S*\"\\]" | cut -d : -f 2 | tr -d "[]\\\\\"" | sed "s/,/ /g")" | |
54 | _debug "existing TXT found" | |
55 | _debug oldtxtvalues "$oldtxtvalues" | |
56 | if [ -n "$oldtxtvalues" ]; then | |
57 | for oldtxtvalue in $oldtxtvalues; do | |
58 | txtvalues="$txtvalues, \"\\\"$oldtxtvalue\\\"\"" | |
59 | done | |
60 | fi | |
61 | fi | |
62 | _debug txtvalues "$txtvalues" | |
63 | _info "Adding record" | |
64 | body="[{\"subname\":\"$_sub_domain\", \"type\":\"TXT\", \"records\":[$txtvalues], \"ttl\":60}]" | |
65 | ||
66 | if _desec_rest PUT "$REST_API/$DEDYN_NAME/rrsets/" "$body"; then | |
67 | if _contains "$response" "$txtvalue"; then | |
68 | _info "Added, OK" | |
69 | return 0 | |
70 | else | |
71 | _err "Add txt record error." | |
72 | return 1 | |
73 | fi | |
74 | fi | |
75 | ||
76 | _err "Add txt record error." | |
77 | return 1 | |
78 | } | |
79 | ||
80 | #Usage: fulldomain txtvalue | |
81 | #Remove the txt record after validation. | |
82 | dns_desec_rm() { | |
83 | fulldomain=$1 | |
84 | txtvalue=$2 | |
85 | _info "Using desec.io api" | |
86 | _debug fulldomain "$fulldomain" | |
87 | _debug txtvalue "$txtvalue" | |
88 | ||
89 | DEDYN_TOKEN="${DEDYN_TOKEN:-$(_readaccountconf_mutable DEDYN_TOKEN)}" | |
90 | DEDYN_NAME="${DEDYN_NAME:-$(_readaccountconf_mutable DEDYN_NAME)}" | |
91 | ||
92 | if [ -z "$DEDYN_TOKEN" ] || [ -z "$DEDYN_NAME" ]; then | |
93 | DEDYN_TOKEN="" | |
94 | DEDYN_NAME="" | |
95 | _err "You don't specify DEDYN_TOKEN and DEDYN_NAME yet." | |
96 | _err "Please create you key and try again." | |
97 | _err "e.g." | |
98 | _err "export DEDYN_TOKEN=d41d8cd98f00b204e9800998ecf8427e" | |
99 | _err "export DEDYN_NAME=foobar.dedyn.io" | |
100 | return 1 | |
101 | fi | |
102 | ||
103 | _debug "First detect the root zone" | |
104 | if ! _get_root "$fulldomain" "$REST_API/"; then | |
105 | _err "invalid domain" | |
106 | return 1 | |
107 | fi | |
108 | ||
109 | _debug _sub_domain "$_sub_domain" | |
110 | _debug _domain "$_domain" | |
111 | ||
112 | # Get existing TXT record | |
113 | _debug "Getting txt records" | |
114 | txtvalues="" | |
115 | _desec_rest GET "$REST_API/$DEDYN_NAME/rrsets/$_sub_domain/TXT/" | |
116 | ||
117 | if [ "$_code" = "200" ]; then | |
118 | oldtxtvalues="$(echo "$response" | _egrep_o "\"records\":\\[\"\\S*\"\\]" | cut -d : -f 2 | tr -d "[]\\\\\"" | sed "s/,/ /g")" | |
119 | _debug "existing TXT found" | |
120 | _debug oldtxtvalues "$oldtxtvalues" | |
121 | if [ -n "$oldtxtvalues" ]; then | |
122 | for oldtxtvalue in $oldtxtvalues; do | |
123 | if [ "$txtvalue" != "$oldtxtvalue" ]; then | |
124 | txtvalues="$txtvalues, \"\\\"$oldtxtvalue\\\"\"" | |
125 | fi | |
126 | done | |
127 | fi | |
128 | fi | |
129 | txtvalues="$(echo "$txtvalues" | cut -c3-)" | |
130 | _debug txtvalues "$txtvalues" | |
131 | ||
132 | _info "Deleting record" | |
133 | body="[{\"subname\":\"$_sub_domain\", \"type\":\"TXT\", \"records\":[$txtvalues], \"ttl\":60}]" | |
134 | _desec_rest PUT "$REST_API/$DEDYN_NAME/rrsets/" "$body" | |
135 | if [ "$_code" = "200" ]; then | |
136 | _info "Deleted, OK" | |
137 | return 0 | |
138 | fi | |
139 | ||
140 | _err "Delete txt record error." | |
141 | return 1 | |
142 | } | |
143 | ||
144 | #################### Private functions below ################################## | |
145 | ||
146 | _desec_rest() { | |
147 | m="$1" | |
148 | ep="$2" | |
149 | data="$3" | |
150 | ||
151 | export _H1="Authorization: Token $DEDYN_TOKEN" | |
152 | export _H2="Accept: application/json" | |
153 | export _H3="Content-Type: application/json" | |
154 | ||
155 | if [ "$m" != "GET" ]; then | |
156 | _secure_debug2 data "$data" | |
157 | response="$(_post "$data" "$ep" "" "$m")" | |
158 | else | |
159 | response="$(_get "$ep")" | |
160 | fi | |
161 | _ret="$?" | |
162 | _code="$(grep "^HTTP" "$HTTP_HEADER" | _tail_n 1 | cut -d " " -f 2 | tr -d "\\r\\n")" | |
163 | _debug "http response code $_code" | |
164 | _secure_debug2 response "$response" | |
165 | if [ "$_ret" != "0" ]; then | |
166 | _err "error $ep" | |
167 | return 1 | |
168 | fi | |
169 | ||
170 | response="$(printf "%s" "$response" | _normalizeJson)" | |
171 | return 0 | |
172 | } | |
173 | ||
174 | #_acme-challenge.www.domain.com | |
175 | #returns | |
176 | # _sub_domain=_acme-challenge.www | |
177 | # _domain=domain.com | |
178 | _get_root() { | |
179 | domain="$1" | |
180 | ep="$2" | |
181 | i=2 | |
182 | p=1 | |
183 | while true; do | |
184 | h=$(printf "%s" "$domain" | cut -d . -f $i-100) | |
185 | _debug h "$h" | |
186 | if [ -z "$h" ]; then | |
187 | #not valid | |
188 | return 1 | |
189 | fi | |
190 | ||
191 | if ! _desec_rest GET "$ep"; then | |
192 | return 1 | |
193 | fi | |
194 | ||
195 | if _contains "$response" "\"name\":\"$h\"" >/dev/null; then | |
196 | _sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p) | |
197 | _domain=$h | |
198 | return 0 | |
199 | fi | |
200 | p=$i | |
201 | i=$(_math "$i" + 1) | |
202 | done | |
203 | return 1 | |
204 | } |