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#!/bin/bash
#
#CF_Key="sdfsdfsdfljlbjkljlkjsdfoiwje"
#
#CF_Email="xxxx@sss.com"
CF_Api = "https://api.cloudflare.com/client/v4/"
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######## Public functions #####################
#Usage: add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs"
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dns-cf-add( ) {
fulldomain = $1
txtvalue = $2
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if [ -z " $CF_Key " ] || [ -z " $CF_Email " ] ; then
_err "You don't specify cloudflare api key and email yet."
_err "Please create you key and try again."
return 1
fi
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#save the api key and email to the account conf file.
_saveaccountconf CF_Key " $CF_Key "
_saveaccountconf CF_Email " $CF_Email "
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_debug "First detect the root zone"
if ! _get_root $fulldomain ; then
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_err "invalid domain"
return 1
fi
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_debug _domain_id " $_domain_id "
_debug _sub_domain " $_sub_domain "
_debug _domain " $_domain "
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_debug "Getting txt records"
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_cf_rest GET " /zones/ ${ _domain_id } /dns_records?type=TXT&name= $fulldomain "
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if [ " $? " != "0" ] || ! printf $response | grep \" success\" :true > /dev/null ; then
_err "Error"
return 1
fi
count = $( printf $response | grep -o \" count\" :[ ^,] * | cut -d : -f 2)
if [ " $count " = = "0" ] ; then
_info "Adding record"
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if _cf_rest POST " /zones/ $_domain_id /dns_records " " {\"type\":\"TXT\",\"name\":\" $fulldomain \",\"content\":\" $txtvalue \",\"ttl\":120} " ; then
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if printf $response | grep $fulldomain > /dev/null ; then
_info "Added, sleeping 10 seconds"
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sleep 10
#todo: check if the record takes effect
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return 0
else
_err "Add txt record error."
return 1
fi
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fi
_err "Add txt record error."
else
_info "Updating record"
record_id = $( printf $response | grep -o \" id\" :\" [ ^\" ] *\" | cut -d : -f 2 | tr -d \" )
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_debug "record_id" $record_id
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_cf_rest PUT " /zones/ $_domain_id /dns_records/ $record_id " " {\"id\":\" $record_id \",\"type\":\"TXT\",\"name\":\" $fulldomain \",\"content\":\" $txtvalue \",\"zone_id\":\" $_domain_id \",\"zone_name\":\" $_domain \"} "
if [ " $? " = = "0" ] ; then
_info "Updated, sleeping 10 seconds"
sleep 10
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#todo: check if the record takes effect
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return 0;
fi
_err "Update error"
return 1
fi
}
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#################### Private functions bellow ##################################
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#_acme-challenge.www.domain.com
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#returns
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# _sub_domain=_acme-challenge.www
# _domain=domain.com
# _domain_id=sdjkglgdfewsdfg
_get_root( ) {
domain = $1
i = 2
p = 1
while [ '1' ] ; do
h = $( printf $domain | cut -d . -f $i -100)
if [ -z " $h " ] ; then
#not valid
return 1;
fi
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if ! _cf_rest GET " zones?name= $h " ; then
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return 1
fi
if printf $response | grep \" name\" :\" $h \" ; then
_domain_id = $( printf $response | grep -o \" id\" :\" [ ^\" ] *\" | cut -d : -f 2 | tr -d \" )
if [ " $_domain_id " ] ; then
_sub_domain = $( printf $domain | cut -d . -f 1-$p )
_domain = $h
return 0
fi
return 1
fi
p = $i
let "i+=1"
done
return 1
}
_cf_rest( ) {
m = $1
ep = " $2 "
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_debug $ep
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if [ " $3 " ] ; then
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data = " $3 "
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_debug data " $data "
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response = " $( curl --silent -X $m " $CF_Api / $ep " -H " X-Auth-Email: $CF_Email " -H " X-Auth-Key: $CF_Key " -H "Content-Type: application/json" --data $data ) "
else
response = " $( curl --silent -X $m " $CF_Api / $ep " -H " X-Auth-Email: $CF_Email " -H " X-Auth-Key: $CF_Key " -H "Content-Type: application/json" ) "
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fi
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if [ " $? " != "0" ] ; then
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_err " error $ep "
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return 1
fi
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_debug response " $response "
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return 0
}
_debug( ) {
if [ -z " $DEBUG " ] ; then
return
fi
if [ -z " $2 " ] ; then
echo $1
else
echo " $1 " = " $2 "
fi
}
_info( ) {
if [ -z " $2 " ] ; then
echo " $1 "
else
echo " $1 " = " $2 "
fi
}
_err( ) {
if [ -z " $2 " ] ; then
echo " $1 " >& 2
else
echo " $1 " = " $2 " >& 2
fi
}