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Rewrite to conform to Dev guide
Created _get_root() that tests the requested host is a subdomain to the domains hosted on MailinaBox (MIAB) DNS Server. Created common _miab_rest() used with dns_miab_add(), dns_miab_rm() and _get_root(). Also created barbaric _is_json() to test the response given by the MIAB Custom DNS API at least looks like a JSON file. We should add a hint to use _normalizeJson with JSON responses so _startswith, _endswith won't perplexingly fail.
This commit is contained in:
Bill Gertz
GitHub
parent
f64b061a28
commit
aa6112482d
@ -6,186 +6,207 @@
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# Darven Dissek 2018
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# William Gertz 2019
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#
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# Thanks to Neil Pang for the code reused from acme.sh from HTTP-01 validation
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# used to communicate with the MailintheBox Custom DNS API
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# Thanks to Neil Pang and other developers here for code reused from acme.sh from DNS-01
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# used to communicate with the MailinaBox Custom DNS API
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# Report Bugs here:
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# https://github.com/billgertz/MIAB_dns_api (for dns_miab.sh)
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# https://github.com/Neilpang/acme.sh (for acme.sh)
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#
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######## Public functions #####################
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#Usage: dns_miab_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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#Usage: dns_miab_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_miab_add() {
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fulldomain=$1
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txtvalue=$2
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_info "Using miab"
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_info "Using miab challange add"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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MIAB_Username="${MIAB_Username:-$(_readaccountconf_mutable MIAB_Username)}"
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MIAB_Password="${MIAB_Password:-$(_readaccountconf_mutable MIAB_Password)}"
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MIAB_Server="${MIAB_Server:-$(_readaccountconf_mutable MIAB_Server)}"
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#retrieve MIAB environemt vars
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if ! _retrieve_miab_env; then
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return 1
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fi
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#debug log the environmental variables
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_debug MIAB_Username "$MIAB_Username"
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_debug MIAB_Password "$MIAB_Password"
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_debug MIAB_Server "$MIAB_Server"
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if [ -z "$MIAB_Username" ] || [ -z "$MIAB_Password" ] || [ -z "$MIAB_Server" ]; then
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MIAB_Username=""
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MIAB_Password=""
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MIAB_Server=""
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_err "You didn't specify MIAB_Username or MIAB_Password or MIAB_Server."
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_err "Please try again."
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#check domain and seperate into doamin and host
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if ! _get_root "$fulldomain"; then
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_err "Cannot find any part of ${fulldomain} is hosted on ${MIAB_Server}"
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return 1
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fi
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#save the credentials to the account conf file.
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_saveaccountconf_mutable MIAB_Username "$MIAB_Username"
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_saveaccountconf_mutable MIAB_Password "$MIAB_Password"
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_saveaccountconf_mutable MIAB_Server "$MIAB_Server"
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_debug2 _sub_domain "$_sub_domain"
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_debug2 _domain "$_domain"
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baseurl="https://$MIAB_Server/admin/dns/custom/$fulldomain/txt"
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#Add the challenge record
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result="$(_miab_post "$txtvalue" "$baseurl" "POST" "$MIAB_Username" "$MIAB_Password")"
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_debug result "$result"
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#add the challenge record
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_api_path="custom/${fulldomain}/txt"
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_miab_rest "$txtvalue" "$_api_path" "POST"
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#check if result was good
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if _contains "$result" "updated DNS"; then
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if _contains "$response" "updated DNS"; then
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_info "Successfully created the txt record"
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return 0
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else
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_err "Error encountered during record addition"
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_err "$result"
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_err "Error encountered during record add"
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_err "$response"
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return 1
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fi
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}
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#Usage: fulldomain txtvalue
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#Remove the txt record after validation.
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#Usage: dns_miab_rm _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns_miab_rm() {
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fulldomain=$1
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txtvalue=$2
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_info "Using miab"
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_info "Using miab challage delete"
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_debug fulldomain "$fulldomain"
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_debug txtvalue "$txtvalue"
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MIAB_Username="${MIAB_Username:-$(_readaccountconf_mutable MIAB_Username)}"
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MIAB_Password="${MIAB_Password:-$(_readaccountconf_mutable MIAB_Password)}"
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MIAB_Server="${MIAB_Server:-$(_readaccountconf_mutable MIAB_Server)}"
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#retrieve MIAB environemt vars
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if ! _retrieve_miab_env; then
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return 1
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fi
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#debug log the environmental variables
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_debug MIAB_Username "$MIAB_Username"
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_debug MIAB_Password "$MIAB_Password"
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_debug MIAB_Server "$MIAB_Server"
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if [ -z "$MIAB_Username" ] || [ -z "$MIAB_Password" ] || [ -z "$MIAB_Server" ]; then
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MIAB_Username=""
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MIAB_Password=""
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MIAB_Server=""
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_err "You didn't specify MIAB_Username or MIAB_Password or MIAB_Server."
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_err "Please try again."
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#check domain and seperate into doamin and host
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if ! _get_root "$fulldomain"; then
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_err "Cannot find any part of ${fulldomain} is hosted on ${MIAB_Server}"
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return 1
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fi
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#save the credentials to the account conf file.
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_saveaccountconf_mutable MIAB_Username "$MIAB_Username"
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_saveaccountconf_mutable MIAB_Password "$MIAB_Password"
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_saveaccountconf_mutable MIAB_Server "$MIAB_Server"
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baseurl="https://$MIAB_Server/admin/dns/custom/$fulldomain/txt"
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_debug2 _sub_domain "$_sub_domain"
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_debug2 _domain "$_domain"
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#Remove the challenge record
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result="$(_miab_post "$txtvalue" "$baseurl" "DELETE" "$MIAB_Username" "$MIAB_Password")"
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_debug result "$result"
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_api_path="custom/${fulldomain}/txt"
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_miab_rest "$txtvalue" "$_api_path" "DELETE"
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#check if result was good
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if _contains "$result" "updated DNS"; then
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_info "Successfully created the txt record"
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if _contains "$response" "updated DNS"; then
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_info "Successfully removed the txt record"
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return 0
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else
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_err "Error encountered during record addition"
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_err "$result"
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_err "Error encountered during record remove"
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_err "$response"
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return 1
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fi
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}
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#################### Private functions below ##################################
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#
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# post changes to MIAB dns (taken from acme.sh)
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_miab_post() {
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body="$1"
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_post_url="$2"
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httpmethod="$3"
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username="$4"
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password="$5"
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#Usage: _get_root _acme-challenge.www.domain.com
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#Returns:
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# _sub_domain=_acme-challenge.www
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# _domain=domain.com
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_get_root() {
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_passed_domain=$1
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_debug _passed_domain "$_passed_domain"
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_i=2
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_p=1
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if [ -z "$httpmethod" ]; then
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httpmethod="POST"
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#get the zones hosed on MIAB server, must be a json stream
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_miab_rest "" "zones" "GET"
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_info "_startswith test:$(_startswith "test" "t")"
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_info "_endstest test:$(_endswith "test" "t")"
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if ! _is_json "$response"; then
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_err "ERROR fetching domain list"
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_err "$response"
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return 1
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fi
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_debug $httpmethod
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_debug "_post_url" "$_post_url"
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_debug2 "body" "$body"
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#cycle through the passed domain seperating out a test domain discarding
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# the subdomain by marching thorugh the dots
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while true; do
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_test_domain=$(printf "%s" "$_passed_domain" | cut -d . -f ${_i}-100)
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_debug _test_domain "$_test_domain"
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_inithttp
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if [ "$_ACME_CURL" ] && [ "${ACME_USE_WGET:-0}" = "0" ]; then
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_CURL="$_ACME_CURL"
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if [ "$HTTPS_INSECURE" ]; then
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_CURL="$_CURL --insecure "
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if [ -z "$_test_domain" ]; then
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return 1
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fi
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_debug "_CURL" "$_CURL"
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response="$($_CURL --user-agent "$USER_AGENT" -X $httpmethod --user "$username:$password" -H "$_H1" -H "$_H2" -H "$_H3" -H "$_H4" -H "$_H5" --data "$body" "$_post_url")"
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_ret="$?"
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if [ "$_ret" != "0" ]; then
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_err "Please refer to https://curl.haxx.se/libcurl/c/libcurl-errors.html for error code: $_ret"
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if [ "$DEBUG" ] && [ "$DEBUG" -ge "2" ]; then
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_err "Here is the curl dump log:"
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_err "$(cat "$_CURL_DUMP")"
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fi
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#report found if the test domain is in the json response and
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# report the subdomain
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if _contains "$response" "\"$_test_domain\""; then
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_sub_domain=$(printf "%s" "$_passed_domain" | cut -d . -f 1-${_p})
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_domain=${_test_domain}
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return 0
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fi
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elif [ "$_ACME_WGET" ]; then
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_WGET="$_ACME_WGET"
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#cycle to the next dot in the passed domain
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_p=${_i}
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_i=$(_math "$_i" + 1)
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done
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if [ "$HTTPS_INSECURE" ]; then
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_WGET="$_WGET --no-check-certificate "
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fi
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_debug "_WGET" "$_WGET"
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if [ "$httpmethod" = "POST" ]; then
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response="$($_WGET -S -O - --user-agent="$USER_AGENT" --header "$_H5" --header "$_H4" --header "$_H3" --header "$_H2" --header "$_H1" --post-data="$body" "$_post_url" 2>"$HTTP_HEADER")"
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else
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response="$($_WGET -S -O - --user-agent="$USER_AGENT" --header "$_H5" --header "$_H4" --header "$_H3" --header "$_H2" --header "$_H1" --method $httpmethod --body-data="$body" "$_post_url" 2>"$HTTP_HEADER")"
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fi
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_ret="$?"
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if [ "$_ret" = "8" ]; then
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_ret=0
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_debug "wget returns 8, the server returns a 'Bad request' response, lets process the response later."
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fi
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if [ "$_ret" != "0" ]; then
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_err "Please refer to https://www.gnu.org/software/wget/manual/html_node/Exit-Status.html for error code: $_ret"
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fi
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_sed_i "s/^ *//g" "$HTTP_HEADER"
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else
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_ret="$?"
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_err "Neither curl nor wget was found, cannot do $httpmethod."
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fi
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_debug "_ret" "$_ret"
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printf "%s" "$response"
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return $_ret
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return 1
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}
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#Usage: _retrieve_miab_env
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#Returns (from store or environment variables):
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# MIAB_Username
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# MIAB_Password
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# MIAB_Server
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#retrieve MIAB environment variables, report errors and quit if problems
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_retrieve_miab_env() {
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MIAB_Username="${MIAB_Username:-$(_readaccountconf_mutable MIAB_Username)}"
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MIAB_Password="${MIAB_Password:-$(_readaccountconf_mutable MIAB_Password)}"
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MIAB_Server="${MIAB_Server:-$(_readaccountconf_mutable MIAB_Server)}"
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#debug log the environmental variables
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_debug MIAB_Username "$MIAB_Username"
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_debug MIAB_Password "$MIAB_Password"
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_debug MIAB_Server "$MIAB_Server"
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#check if MIAB environemt vars set and quit if not
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if [ -z "$MIAB_Username" ] || [ -z "$MIAB_Password" ] || [ -z "$MIAB_Server" ]; then
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_err "You didn't specify one or more of MIAB_Username, MIAB_Password or MIAB_Server."
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_err "Please check these environment variables and try again."
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return 1
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fi
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#save the credentials to the account conf file.
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_saveaccountconf_mutable MIAB_Username "$MIAB_Username"
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_saveaccountconf_mutable MIAB_Password "$MIAB_Password"
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_saveaccountconf_mutable MIAB_Server "$MIAB_Server"
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}
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#Useage: _miab_rest "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs" "custom/_acme-challenge.www.domain.com/txt "POST"
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#Returns: "updated DNS: domain.com"
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#rest interface MIAB dns
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_miab_rest() {
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_data="$1"
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_api_path="$2"
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_httpmethod="$3"
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#encode username and password for url
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_username="$(printf "%s" "$MIAB_Username" | _url_encode)"
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_password="$(printf "%s" "$MIAB_Password" | _url_encode)"
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_url="https://${_username}:${_password}@${MIAB_Server}/admin/dns/${_api_path}"
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_debug2 _data "$_data"
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_debug _api_path "$_api_path"
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_debug2 _url "$_url"
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_debug _httpmethod "$_httpmethod"
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if [ "$_httpmethod" = "GET" ]; then
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response="$(_get "$_url")"
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else
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response="$(_post "$_data" "$_url" "" "$_httpmethod")"
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fi
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_retcode="$?"
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if [ "$_retcode" != "0" ]; then
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_err "MAAB REST authentication failed on $_httpmethod"
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return 1
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fi
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_debug response "$response"
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return 0
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}
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#Usage: _is_json "\[\n "mydomain.com"\n]"
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#Reurns "\[\n "mydomain.com"\n]"
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#returns the string if it begins and ends with square braces
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_is_json() {
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_str="$(echo "$1" | _normalizeJson)"
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echo "$_str" | grep '^\[.*\]$' >/dev/null 2>&1
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}
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