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refactored sig timestamp generation

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This commit is contained in:
Ed Lynes 2020-10-30 13:12:45 -04:00
parent df60a2248a
commit cc40110d7e
1 changed files with 16 additions and 3 deletions
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19
dnsapi/dns_edgedns.sh
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@ -41,6 +41,7 @@ dns_edgedns_add() {
_err "Invalid domain"
return 1
fi
_debug2 "Add: zone" "$zone"
acmeRecordURI=$(printf "%s/%s/names/%s/types/TXT" "$edge_endpoint" "$zone" "$fulldomain")
_debug3 "Add URL" "$acmeRecordURI"
@ -354,19 +355,31 @@ _edgedns_rest() {
}
_edgedns_eg_timestamp() {
_eg_timestamp=$(date -u "+%Y%m%dT%H:%M:%S+0000")
_debug3 "_eg_timestamp" "$_eg_timestamp"
_debug "Generating signature Timestamp"
_debug3 "Retriving ntp time"
_timeheaders="$(_get "https://www.ntp.org" "onlyheader")"
_debug3 "_timeheaders" "$_timeheaders"
_ntpdate="$(echo "$_timeheaders" | grep -i "Date:" | _head_n 1 | cut -d ':' -f 2- | tr -d "\r\n")"
_debug3 "_ntpdate" "$_ntpdate"
_ntpdate="$(echo "${_ntpdate}" | sed -e 's/^[[:space:]]*//')"
_debug3 "_NTPDATE" "$_ntpdate"
_ntptime="$(echo "${_ntpdate}" | _head_n 1 | cut -d " " -f 5 | tr -d "\r\n")"
_debug3 "_ntptime" "$_ntptime"
_eg_timestamp=$(date -u "+%Y%m%dT")
_eg_timestamp="$(printf "%s%s+0000" "$_eg_timestamp" "$_ntptime")"
_debug "_eg_timestamp" "$_eg_timestamp"
}
_edgedns_new_nonce() {
_debug "Generating Nonce"
_nonce=$(echo "EDGEDNS$(_time)" | _digest sha1 hex | cut -c 1-32)
_debug3 "_nonce" "$_nonce"
}
_edgedns_make_auth_header() {
_debug "Constructing Auth Header"
_edgedns_eg_timestamp
_edgedns_new_nonce
_edgedns_eg_timestamp
# "Unsigned authorization header: 'EG1-HMAC-SHA256 client_token=block;access_token=block;timestamp=20200806T14:16:33+0000;nonce=72cde72c-82d9-4721-9854-2ba057929d67;'"
_auth_header="$(printf "EG1-HMAC-SHA256 client_token=%s;access_token=%s;timestamp=%s;nonce=%s;" "$AKAMAI_CLIENT_TOKEN" "$AKAMAI_ACCESS_TOKEN" "$_eg_timestamp" "$_nonce")"
_secure_debug2 "Unsigned Auth Header: " "$_auth_header"