Dan
8 years ago
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#!/usr/bin/env sh |
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# |
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#AWS_ACCESS_KEY_ID="sdfsdfsdfljlbjkljlkjsdfoiwje" |
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# |
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#AWS_SECRET_ACCESS_KEY="xxxxxxx" |
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#This is the Amazon Route53 api wrapper for acme.sh |
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AWS_HOST="route53.amazonaws.com" |
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AWS_URL="https://$AWS_HOST" |
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AWS_WIKI="https://github.com/Neilpang/acme.sh/wiki/How-to-use-Amazon-Route53-API" |
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######## Public functions ##################### |
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#Usage: dns_myapi_add _acme-challenge.www.domain.com "XKrxpRBosdIKFzxW_CT3KLZNf6q0HG9i01zxXp5CPBs" |
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dns_aws_add() { |
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fulldomain=$1 |
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txtvalue=$2 |
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AWS_ACCESS_KEY_ID="${AWS_ACCESS_KEY_ID:-$(_readaccountconf_mutable AWS_ACCESS_KEY_ID)}" |
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AWS_SECRET_ACCESS_KEY="${AWS_SECRET_ACCESS_KEY:-$(_readaccountconf_mutable AWS_SECRET_ACCESS_KEY)}" |
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if [ -z "$AWS_ACCESS_KEY_ID" ] || [ -z "$AWS_SECRET_ACCESS_KEY" ]; then |
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AWS_ACCESS_KEY_ID="" |
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AWS_SECRET_ACCESS_KEY="" |
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_err "You don't specify aws route53 api key id and and api key secret yet." |
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_err "Please create your key and try again. see $(__green $AWS_WIKI)" |
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return 1 |
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fi |
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#save for future use |
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_saveaccountconf_mutable AWS_ACCESS_KEY_ID "$AWS_ACCESS_KEY_ID" |
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_saveaccountconf_mutable AWS_SECRET_ACCESS_KEY "$AWS_SECRET_ACCESS_KEY" |
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_debug "First detect the root zone" |
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if ! _get_root "$fulldomain"; then |
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_err "invalid domain" |
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return 1 |
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fi |
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_debug _domain_id "$_domain_id" |
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_debug _sub_domain "$_sub_domain" |
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_debug _domain "$_domain" |
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_info "Geting existing records for $fulldomain" |
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if ! aws_rest GET "2013-04-01$_domain_id/rrset" "name=$fulldomain&type=TXT"; then |
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return 1 |
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fi |
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if _contains "$response" "<Name>$fulldomain.</Name>"; then |
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_resource_record="$(echo "$response" | sed 's/<ResourceRecordSet>/"/g' | tr '"' "\n" | grep "<Name>$fulldomain.</Name>" | _egrep_o "<ResourceRecords.*</ResourceRecords>" | sed "s/<ResourceRecords>//" | sed "s#</ResourceRecords>##")" |
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_debug "_resource_record" "$_resource_record" |
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else |
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_debug "single new add" |
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fi |
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if [ "$_resource_record" ] && _contains "$response" "$txtvalue"; then |
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_info "The txt record already exists, skip" |
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return 0 |
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fi |
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_debug "Adding records" |
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_aws_tmpl_xml="<ChangeResourceRecordSetsRequest xmlns=\"https://route53.amazonaws.com/doc/2013-04-01/\"><ChangeBatch><Changes><Change><Action>UPSERT</Action><ResourceRecordSet><Name>$fulldomain</Name><Type>TXT</Type><TTL>300</TTL><ResourceRecords>$_resource_record<ResourceRecord><Value>\"$txtvalue\"</Value></ResourceRecord></ResourceRecords></ResourceRecordSet></Change></Changes></ChangeBatch></ChangeResourceRecordSetsRequest>" |
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if aws_rest POST "2013-04-01$_domain_id/rrset/" "" "$_aws_tmpl_xml" && _contains "$response" "ChangeResourceRecordSetsResponse"; then |
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_info "txt record updated success." |
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return 0 |
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fi |
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return 1 |
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} |
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#fulldomain txtvalue |
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dns_aws_rm() { |
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fulldomain=$1 |
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txtvalue=$2 |
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AWS_ACCESS_KEY_ID="${AWS_ACCESS_KEY_ID:-$(_readaccountconf_mutable AWS_ACCESS_KEY_ID)}" |
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AWS_SECRET_ACCESS_KEY="${AWS_SECRET_ACCESS_KEY:-$(_readaccountconf_mutable AWS_SECRET_ACCESS_KEY)}" |
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_debug "First detect the root zone" |
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if ! _get_root "$fulldomain"; then |
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_err "invalid domain" |
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return 1 |
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fi |
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_debug _domain_id "$_domain_id" |
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_debug _sub_domain "$_sub_domain" |
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_debug _domain "$_domain" |
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_info "Geting existing records for $fulldomain" |
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if ! aws_rest GET "2013-04-01$_domain_id/rrset" "name=$fulldomain&type=TXT"; then |
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return 1 |
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fi |
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if _contains "$response" "<Name>$fulldomain.</Name>"; then |
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_resource_record="$(echo "$response" | sed 's/<ResourceRecordSet>/"/g' | tr '"' "\n" | grep "<Name>$fulldomain.</Name>" | _egrep_o "<ResourceRecords.*</ResourceRecords>" | sed "s/<ResourceRecords>//" | sed "s#</ResourceRecords>##")" |
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_debug "_resource_record" "$_resource_record" |
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else |
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_debug "no records exists, skip" |
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return 0 |
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fi |
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_aws_tmpl_xml="<ChangeResourceRecordSetsRequest xmlns=\"https://route53.amazonaws.com/doc/2013-04-01/\"><ChangeBatch><Changes><Change><Action>DELETE</Action><ResourceRecordSet><ResourceRecords>$_resource_record</ResourceRecords><Name>$fulldomain.</Name><Type>TXT</Type><TTL>300</TTL></ResourceRecordSet></Change></Changes></ChangeBatch></ChangeResourceRecordSetsRequest>" |
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if aws_rest POST "2013-04-01$_domain_id/rrset/" "" "$_aws_tmpl_xml" && _contains "$response" "ChangeResourceRecordSetsResponse"; then |
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_info "txt record deleted success." |
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return 0 |
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fi |
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return 1 |
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} |
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#################### Private functions below ################################## |
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_get_root() { |
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domain=$1 |
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i=2 |
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p=1 |
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if aws_rest GET "2013-04-01/hostedzone"; then |
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while true; do |
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h=$(printf "%s" "$domain" | cut -d . -f $i-100) |
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_debug2 "Checking domain: $h" |
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if [ -z "$h" ]; then |
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if _contains "$response" "<IsTruncated>true</IsTruncated>" && _contains "$response" "<NextMarker>"; then |
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_debug "IsTruncated" |
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_nextMarker="$(echo "$response" | _egrep_o "<NextMarker>.*</NextMarker>" | cut -d '>' -f 2 | cut -d '<' -f 1)" |
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_debug "NextMarker" "$_nextMarker" |
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if aws_rest GET "2013-04-01/hostedzone" "marker=$_nextMarker"; then |
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_debug "Truncated request OK" |
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i=2 |
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p=1 |
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continue |
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else |
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_err "Truncated request error." |
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fi |
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fi |
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#not valid |
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_err "Invalid domain" |
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return 1 |
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fi |
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if _contains "$response" "<Name>$h.</Name>"; then |
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hostedzone="$(echo "$response" | sed 's/<HostedZone>/#&/g' | tr '#' '\n' | _egrep_o "<HostedZone><Id>[^<]*<.Id><Name>$h.<.Name>.*<PrivateZone>false<.PrivateZone>.*<.HostedZone>")" |
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_debug hostedzone "$hostedzone" |
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if [ "$hostedzone" ]; then |
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_domain_id=$(printf "%s\n" "$hostedzone" | _egrep_o "<Id>.*<.Id>" | head -n 1 | _egrep_o ">.*<" | tr -d "<>") |
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if [ "$_domain_id" ]; then |
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_sub_domain=$(printf "%s" "$domain" | cut -d . -f 1-$p) |
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_domain=$h |
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return 0 |
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fi |
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_err "Can not find domain id: $h" |
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return 1 |
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fi |
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fi |
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p=$i |
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i=$(_math "$i" + 1) |
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done |
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fi |
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return 1 |
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} |
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#method uri qstr data |
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aws_rest() { |
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mtd="$1" |
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ep="$2" |
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qsr="$3" |
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data="$4" |
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_debug mtd "$mtd" |
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_debug ep "$ep" |
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_debug qsr "$qsr" |
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_debug data "$data" |
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CanonicalURI="/$ep" |
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_debug2 CanonicalURI "$CanonicalURI" |
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CanonicalQueryString="$qsr" |
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_debug2 CanonicalQueryString "$CanonicalQueryString" |
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RequestDate="$(date -u +"%Y%m%dT%H%M%SZ")" |
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_debug2 RequestDate "$RequestDate" |
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#RequestDate="20161120T141056Z" ############## |
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export _H1="x-amz-date: $RequestDate" |
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aws_host="$AWS_HOST" |
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CanonicalHeaders="host:$aws_host\nx-amz-date:$RequestDate\n" |
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SignedHeaders="host;x-amz-date" |
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if [ -n "$AWS_SESSION_TOKEN" ]; then |
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export _H3="x-amz-security-token: $AWS_SESSION_TOKEN" |
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CanonicalHeaders="${CanonicalHeaders}x-amz-security-token:$AWS_SESSION_TOKEN\n" |
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SignedHeaders="${SignedHeaders};x-amz-security-token" |
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fi |
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_debug2 CanonicalHeaders "$CanonicalHeaders" |
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_debug2 SignedHeaders "$SignedHeaders" |
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RequestPayload="$data" |
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_debug2 RequestPayload "$RequestPayload" |
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Hash="sha256" |
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CanonicalRequest="$mtd\n$CanonicalURI\n$CanonicalQueryString\n$CanonicalHeaders\n$SignedHeaders\n$(printf "%s" "$RequestPayload" | _digest "$Hash" hex)" |
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_debug2 CanonicalRequest "$CanonicalRequest" |
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HashedCanonicalRequest="$(printf "$CanonicalRequest%s" | _digest "$Hash" hex)" |
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_debug2 HashedCanonicalRequest "$HashedCanonicalRequest" |
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Algorithm="AWS4-HMAC-SHA256" |
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_debug2 Algorithm "$Algorithm" |
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RequestDateOnly="$(echo "$RequestDate" | cut -c 1-8)" |
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_debug2 RequestDateOnly "$RequestDateOnly" |
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Region="us-east-1" |
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Service="route53" |
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CredentialScope="$RequestDateOnly/$Region/$Service/aws4_request" |
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_debug2 CredentialScope "$CredentialScope" |
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StringToSign="$Algorithm\n$RequestDate\n$CredentialScope\n$HashedCanonicalRequest" |
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_debug2 StringToSign "$StringToSign" |
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kSecret="AWS4$AWS_SECRET_ACCESS_KEY" |
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#kSecret="wJalrXUtnFEMI/K7MDENG+bPxRfiCYEXAMPLEKEY" ############################ |
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_secure_debug2 kSecret "$kSecret" |
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kSecretH="$(printf "%s" "$kSecret" | _hex_dump | tr -d " ")" |
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_secure_debug2 kSecretH "$kSecretH" |
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kDateH="$(printf "$RequestDateOnly%s" | _hmac "$Hash" "$kSecretH" hex)" |
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_debug2 kDateH "$kDateH" |
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kRegionH="$(printf "$Region%s" | _hmac "$Hash" "$kDateH" hex)" |
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_debug2 kRegionH "$kRegionH" |
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kServiceH="$(printf "$Service%s" | _hmac "$Hash" "$kRegionH" hex)" |
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_debug2 kServiceH "$kServiceH" |
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kSigningH="$(printf "%s" "aws4_request" | _hmac "$Hash" "$kServiceH" hex)" |
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_debug2 kSigningH "$kSigningH" |
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signature="$(printf "$StringToSign%s" | _hmac "$Hash" "$kSigningH" hex)" |
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_debug2 signature "$signature" |
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Authorization="$Algorithm Credential=$AWS_ACCESS_KEY_ID/$CredentialScope, SignedHeaders=$SignedHeaders, Signature=$signature" |
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_debug2 Authorization "$Authorization" |
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_H2="Authorization: $Authorization" |
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_debug _H2 "$_H2" |
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url="$AWS_URL/$ep" |
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if [ "$qsr" ]; then |
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url="$AWS_URL/$ep?$qsr" |
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fi |
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if [ "$mtd" = "GET" ]; then |
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response="$(_get "$url")" |
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else |
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response="$(_post "$data" "$url")" |
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fi |
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_ret="$?" |
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_debug2 response "$response" |
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if [ "$_ret" = "0" ]; then |
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if _contains "$response" "<ErrorResponse"; then |
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_err "Response error:$response" |
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return 1 |
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fi |
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fi |
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return "$_ret" |
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} |
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