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dnsapi/dns_edgedns: use the system clock for the request timestamp (#3973)

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neil 2026-07-05 18:02:34 +08:00
parent 7b6d96387c
commit d3af3315da
1 changed files with 6 additions and 11 deletions
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17
dnsapi/dns_edgedns.sh
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@ -363,17 +363,12 @@ _edgedns_rest() {
_edgedns_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" "$_ntptime")"
#Akamai accepts a clock skew of +/-30s, so use the system clock directly.
#The previous code fetched the Date header from www.ntp.org, which is not
#a reliable time source (it served a wrong time for hours, issue 3973),
#cost an extra https round-trip for every API request, and combined the
#remote time of day with the LOCAL date, breaking around UTC midnight.
_eg_timestamp="$(date -u "+%Y%m%dT%H:%M:%S+0000")"
_debug "_eg_timestamp" "$_eg_timestamp"
}