Play some more with torrenting

Signed-off-by: Miek Gieben <miek@miek.nl>

core/dnsserver/zdirectives.go

@@ -55,4 +55,5 @@ var Directives = []string{
 	"whoami",
 	"on",
 	"sign",
+	"torrent",
 }

core/plugin/zplugin.go

@@ -46,6 +46,7 @@ import (
 	_ "github.com/coredns/coredns/plugin/sign"
 	_ "github.com/coredns/coredns/plugin/template"
 	_ "github.com/coredns/coredns/plugin/tls"
+	_ "github.com/coredns/coredns/plugin/torrent"
 	_ "github.com/coredns/coredns/plugin/trace"
 	_ "github.com/coredns/coredns/plugin/transfer"
 	_ "github.com/coredns/coredns/plugin/whoami"

go.mod

@@ -12,6 +12,7 @@ require (
 	github.com/aws/aws-sdk-go v1.33.7
 	github.com/caddyserver/caddy v1.0.5
 	github.com/cenkalti/backoff/v4 v4.0.2
+	github.com/cenkalti/rain v1.4.4
 	github.com/dnstap/golang-dnstap v0.2.0
 	github.com/farsightsec/golang-framestream v0.0.0-20190425193708-fa4b164d59b8
 	github.com/golang/protobuf v1.4.2
@@ -20,6 +21,7 @@ require (
 	github.com/hashicorp/golang-lru v0.5.4 // indirect
 	github.com/imdario/mergo v0.3.9 // indirect
 	github.com/infobloxopen/go-trees v0.0.0-20190313150506-2af4e13f9062
+	github.com/jackpal/bencode-go v0.0.0-20180813173944-227668e840fa
 	github.com/kr/pretty v0.2.0 // indirect
 	github.com/matttproud/golang_protobuf_extensions v1.0.1
 	github.com/miekg/dns v1.1.30
@@ -31,6 +33,7 @@ require (
 	github.com/prometheus/client_model v0.2.0
 	github.com/prometheus/common v0.10.0
 	github.com/prometheus/prometheus v2.5.0+incompatible
+	github.com/zeebo/bencode v1.0.0
 	go.etcd.io/etcd v0.5.0-alpha.5.0.20200306183522-221f0cc107cb
 	go.uber.org/zap v1.14.1 // indirect
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9

go.sum

+bazil.org/fuse v0.0.0-20180421153158-65cc252bf669/go.mod h1:Xbm+BRKSBEpa4q4hTSxohYNQpsxXPbPry4JJWOB3LB8=
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
@@ -73,6 +74,8 @@ github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb0
 github.com/OpenDNS/vegadns2client v0.0.0-20180418235048-a3fa4a771d87/go.mod h1:iGLljf5n9GjT6kc0HBvyI1nOKnGQbNB66VzSNbK5iks=
 github.com/PuerkitoBio/purell v1.0.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20160726150825-5bd2802263f2/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
+github.com/RoaringBitmap/roaring v0.4.7/go.mod h1:8khRDP4HmeXns4xIj9oGrKSz7XTQiJx2zgh7AcNke4w=
+github.com/SermoDigital/jose v0.0.0-20180104203859-803625baeddc/go.mod h1:ARgCUhI1MHQH+ONky/PAtmVHQrP5JlGY0F3poXOp/fA=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/sarama v1.21.0 h1:0GKs+e8mn1RRUzfg9oUXv3v7ZieQLmOZF/bfnmmGhM8=
 github.com/Shopify/sarama v1.21.0/go.mod h1:yuqtN/pe8cXRWG5zPaO7hCfNJp5MwmkoJEoLjkm5tCQ=
@@ -84,8 +87,30 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
+github.com/alicebob/gopher-json v0.0.0-20180125190556-5a6b3ba71ee6/go.mod h1:SGnFV6hVsYE877CKEZ6tDNTjaSXYUk6QqoIK6PrAtcc=
+github.com/alicebob/miniredis v2.4.6+incompatible/go.mod h1:8HZjEj4yU0dwhYHky+DxYx+6BMjkBbe5ONFIF1MXffk=
 github.com/aliyun/alibaba-cloud-sdk-go v0.0.0-20190808125512-07798873deee/go.mod h1:myCDvQSzCW+wB1WAlocEru4wMGJxy+vlxHdhegi1CDQ=
 github.com/aliyun/aliyun-oss-go-sdk v0.0.0-20190307165228-86c17b95fcd5/go.mod h1:T/Aws4fEfogEE9v+HPhhw+CntffsBHJ8nXQCwKr0/g8=
+github.com/anacrolix/dht v0.0.0-20180412060941-24cbf25b72a4/go.mod h1:hQfX2BrtuQsLQMYQwsypFAab/GvHg8qxwVi4OJdR1WI=
+github.com/anacrolix/dht v0.0.0-20181129074040-b09db78595aa/go.mod h1:Ayu4t+5TsHQ07/P8XzRJqVofv7lU4R1ZTT7KW5+SPFA=
+github.com/anacrolix/envpprof v0.0.0-20180404065416-323002cec2fa/go.mod h1:KgHhUaQMc8cC0+cEflSgCFNFbKwi5h54gqtVn8yhP7c=
+github.com/anacrolix/go-libutp v0.0.0-20180522111405-6baeb806518d/go.mod h1:beQSaSxwH2d9Eeu5ijrEnHei5Qhk+J6cDm1QkWFru4E=
+github.com/anacrolix/go-libutp v0.0.0-20180808010927-aebbeb60ea05/go.mod h1:POY/GPlrFKRxnOKH1sGAB+NBWMoP+sI+hHJxgcgWbWw=
+github.com/anacrolix/log v0.0.0-20180412014343-2323884b361d/go.mod h1:sf/7c2aTldL6sRQj/4UKyjgVZBu2+M2z9wf7MmwPiew=
+github.com/anacrolix/log v0.0.0-20180808012509-286fcf906b48/go.mod h1:sf/7c2aTldL6sRQj/4UKyjgVZBu2+M2z9wf7MmwPiew=
+github.com/anacrolix/missinggo v0.0.0-20180522035225-b4a5853e62ff/go.mod h1:b0p+7cn+rWMIphK1gDH2hrDuwGOcbB6V4VXeSsEfHVk=
+github.com/anacrolix/missinggo v0.0.0-20180725070939-60ef2fbf63df/go.mod h1:kwGiTUTZ0+p4vAz3VbAI5a30t2YbvemcmspjKwrAz5s=
+github.com/anacrolix/missinggo v0.0.0-20181129073415-3237bf955fed/go.mod h1:IN+9GUe7OxKMIs/XeXEbT/rMUolmJzmlZiXHS7FwD/Y=
+github.com/anacrolix/mmsg v0.0.0-20180515031531-a4a3ba1fc8bb/go.mod h1:x2/ErsYUmT77kezS63+wzZp8E3byYB0gzirM/WMBLfw=
+github.com/anacrolix/sync v0.0.0-20171108081538-eee974e4f8c1/go.mod h1:+u91KiUuf0lyILI6x3n/XrW7iFROCZCG+TjgK8nW52w=
+github.com/anacrolix/sync v0.0.0-20180611022320-3c4cb11f5a01/go.mod h1:+u91KiUuf0lyILI6x3n/XrW7iFROCZCG+TjgK8nW52w=
+github.com/anacrolix/sync v0.0.0-20180808010631-44578de4e778/go.mod h1:s735Etp3joe/voe2sdaXLcqDdJSay1O0OPnM0ystjqk=
+github.com/anacrolix/tagflag v0.0.0-20180109131632-2146c8d41bf0/go.mod h1:1m2U/K6ZT+JZG0+bdMK6qauP49QT4wE5pmhJXOKKCHw=
+github.com/anacrolix/tagflag v0.0.0-20180605133421-f477c8c2f14c/go.mod h1:1m2U/K6ZT+JZG0+bdMK6qauP49QT4wE5pmhJXOKKCHw=
+github.com/anacrolix/tagflag v0.0.0-20180803105420-3a8ff5428f76/go.mod h1:1m2U/K6ZT+JZG0+bdMK6qauP49QT4wE5pmhJXOKKCHw=
+github.com/anacrolix/torrent v0.0.0-20180622074351-fefeef4ee9eb/go.mod h1:3vcFVxgOASslNXHdivT8spyMRBanMCenHRpe0u5vpBs=
+github.com/anacrolix/torrent v1.0.0/go.mod h1:N6lCILah/qQCk/gVjHsOnqaug7a5DqQyryCbZD1L188=
+github.com/anacrolix/utp v0.0.0-20180219060659-9e0e1d1d0572/go.mod h1:MDwc+vsGEq7RMw6lr2GKOEqjWny5hO5OZXRVNaBJ2Dk=
 github.com/apache/thrift v0.12.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
 github.com/apache/thrift v0.13.0 h1:5hryIiq9gtn+MiLVn0wP37kb/uTeRZgN08WoCsAhIhI=
 github.com/apache/thrift v0.13.0/go.mod h1:cp2SuWMxlEZw2r+iP2GNCdIi4C1qmUzdZFSVb+bacwQ=
@@ -98,16 +123,28 @@ github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+Ce
 github.com/beorn7/perks v1.0.1 h1:VlbKKnNfV8bJzeqoa4cOKqO6bYr3WgKZxO8Z16+hsOM=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
 github.com/bgentry/speakeasy v0.1.0/go.mod h1:+zsyZBPWlz7T6j88CTgSN5bM796AkVf0kBD4zp0CCIs=
+github.com/boltdb/bolt v1.3.1/go.mod h1:clJnj/oiGkjum5o1McbSZDSLxVThjynRyGBgiAx27Ps=
+github.com/br0xen/termbox-util v0.0.0-20170904143325-de1d4c83380e/go.mod h1:x9wJlgOj74OFTOBwXOuO8pBguW37EgYNx51Dbjkfzo4=
+github.com/br0xen/termbox-util v0.0.0-20200220160819-dc6d6950ba00/go.mod h1:x9wJlgOj74OFTOBwXOuO8pBguW37EgYNx51Dbjkfzo4=
+github.com/bradfitz/iter v0.0.0-20140124041915-454541ec3da2/go.mod h1:PyRFw1Lt2wKX4ZVSQ2mk+PeDa1rxyObEDlApuIsUKuo=
 github.com/caddyserver/caddy v1.0.5 h1:5B1Hs0UF2x2tggr2X9jL2qOZtDXbIWQb9YLbmlxHSuM=
 github.com/caddyserver/caddy v1.0.5/go.mod h1:AnFHB+/MrgRC+mJAvuAgQ38ePzw+wKeW0wzENpdQQKY=
 github.com/cenkalti/backoff/v3 v3.0.0/go.mod h1:cIeZDE3IrqwwJl6VUwCN6trj1oXrTS4rc0ij+ULvLYs=
+github.com/cenkalti/backoff/v3 v3.2.2 h1:cfUAAO3yvKMYKPrvhDuHSwQnhZNk/RMHKdZqKTxfm6M=
+github.com/cenkalti/backoff/v3 v3.2.2/go.mod h1:cIeZDE3IrqwwJl6VUwCN6trj1oXrTS4rc0ij+ULvLYs=
 github.com/cenkalti/backoff/v4 v4.0.2 h1:JIufpQLbh4DkbQoii76ItQIUFzevQSqOLZca4eamEDs=
 github.com/cenkalti/backoff/v4 v4.0.2/go.mod h1:eEew/i+1Q6OrCDZh3WiXYv3+nJwBASZ8Bog/87DQnVg=
+github.com/cenkalti/boltbrowser v0.0.0-20190327195521-ebed13c76690/go.mod h1:TRC4W+aL8EZntkBiCvi7AGR0MH3JdBZUEx29Xm8cVoU=
+github.com/cenkalti/log v0.0.0-20180808170110-e1cf6d40cbc3 h1:nv2JM6LWP694ueOJwZ5OcSzKYK7JZ4v7sXrbTLW4+7A=
+github.com/cenkalti/log v0.0.0-20180808170110-e1cf6d40cbc3/go.mod h1:tZQKVjO9EM2I22rk9cNNoboHztmdUb2nLgScA/+0Iu4=
+github.com/cenkalti/rain v1.4.4 h1:slDu618NNP4cNYZRNzq1vbBzsTAO4rrn3wdOXhAXtF0=
+github.com/cenkalti/rain v1.4.4/go.mod h1:bJUj4h0PTZiXJddIXlefi+iKhQqzJN5sU9lihefkjio=
 github.com/census-instrumentation/opencensus-proto v0.2.0/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/census-instrumentation/opencensus-proto v0.2.1/go.mod h1:f6KPmirojxKA12rnyqOA5BBL4O983OfeGPqjHWSTneU=
 github.com/cespare/xxhash/v2 v2.1.1 h1:6MnRN8NT7+YBpUIWxHtefFZOKTAPgGjpQSxqLNn0+qY=
 github.com/cespare/xxhash/v2 v2.1.1/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs=
 github.com/cheekybits/genny v1.0.0/go.mod h1:+tQajlRqAUrPI7DOSpB0XAqZYtQakVtB7wXkRAgjxjQ=
+github.com/chihaya/chihaya v1.0.1-0.20191017040149-0a420fe05344/go.mod h1:mayPJi46jm0kSeYTNlUFQAkfhPWSgoWwfL6yN7FHeK8=
 github.com/chzyer/logex v1.1.10/go.mod h1:+Ywpsq7O8HXn0nuIou7OrIPyXbp3wmkHB+jjWRnGsAI=
 github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e/go.mod h1:nSuG5e5PlCu98SY8svDHJxuZscDgtXS6KTTbou5AhLI=
 github.com/chzyer/test v0.0.0-20180213035817-a1ea475d72b1/go.mod h1:Q3SI9o4m/ZMnBNeIyt5eFwwo7qiLfzFZmjNmxjkiQlU=
@@ -123,6 +160,7 @@ github.com/coreos/go-systemd/v22 v22.0.0/go.mod h1:xO0FLkIi5MaZafQlIrOotqXZ90ih+
 github.com/coreos/license-bill-of-materials v0.0.0-20190913234955-13baff47494e/go.mod h1:4xMOusJ7xxc84WclVxKT8+lNfGYDwojOUC2OQNCwcj4=
 github.com/cpu/goacmedns v0.0.1/go.mod h1:sesf/pNnCYwUevQEQfEwY0Y3DydlQWSGZbaMElOWxok=
 github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
+github.com/cpuguy83/go-md2man/v2 v2.0.0/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU=
 github.com/creack/pty v1.1.7/go.mod h1:lj5s0c3V2DBrqTV7llrYr5NG6My20zk30Fl46Y7DoTY=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
@@ -137,7 +175,9 @@ github.com/dnsimple/dnsimple-go v0.30.0/go.mod h1:O5TJ0/U6r7AfT8niYNlmohpLbCSG+c
 github.com/dnstap/golang-dnstap v0.2.0 h1:+NrmP4mkaTeKYV7xJ5FXpUxRn0RpcgoQcsOCTS8WQPk=
 github.com/dnstap/golang-dnstap v0.2.0/go.mod h1:s1PfVYYVmTMgCSPtho4LKBDecEHJWtiVDPNv78Z985U=
 github.com/docker/spdystream v0.0.0-20160310174837-449fdfce4d96/go.mod h1:Qh8CwZgvJUkLughtfhJv5dyTYa91l1fOUCrgjqmcifM=
+github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/dustin/go-humanize v0.0.0-20171111073723-bb3d318650d4/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
+github.com/dustin/go-humanize v0.0.0-20180421182945-02af3965c54e/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/dustin/go-humanize v1.0.0 h1:VSnTsYCnlFHaM2/igO1h6X3HA71jcobQuxemgkq4zYo=
 github.com/dustin/go-humanize v1.0.0/go.mod h1:HtrtbFcZ19U5GC7JDqmcUSB87Iq5E25KnS6fMYU6eOk=
 github.com/eapache/go-resiliency v1.1.0 h1:1NtRmCAqadE2FN4ZcN6g90TP3uk8cg9rn9eNK2197aU=
@@ -146,7 +186,10 @@ github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21 h1:YEetp8
 github.com/eapache/go-xerial-snappy v0.0.0-20180814174437-776d5712da21/go.mod h1:+020luEh2TKB4/GOp8oxxtq0Daoen/Cii55CzbTV6DU=
 github.com/eapache/queue v1.1.0 h1:YOEu7KNc61ntiQlcEeUIoDTJ2o8mQznoNvUhiigpIqc=
 github.com/eapache/queue v1.1.0/go.mod h1:6eCeP0CKFpHLu8blIFXhExK/dRa7WDZfr6jVFPTqq+I=
+github.com/edsrzf/mmap-go v0.0.0-20170320065105-0bce6a688712/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
+github.com/edsrzf/mmap-go v1.0.0/go.mod h1:YO35OhQPt3KJa3ryjFM5Bs14WD66h8eGKpfaBNrHW5M=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153/go.mod h1:/Zj4wYkgs4iZTTu3o/KG3Itv/qCCa8VVMlb3i9OVuzc=
+github.com/elgatito/upnp v0.0.0-20180711183757-2f244d205f9a/go.mod h1:afkYpY8JAIL4341N7Zj9xJ5yTovsg6BkWfBFlCzIoF4=
 github.com/emicklei/go-restful v0.0.0-20170410110728-ff4f55a20633/go.mod h1:otzb+WCGbkyDHkqmQmT5YD2WR4BBwUdeQoFo8l/7tVs=
 github.com/envoyproxy/go-control-plane v0.9.0/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
 github.com/envoyproxy/go-control-plane v0.9.1-0.20191026205805-5f8ba28d4473/go.mod h1:YTl/9mNaCwkRvm6d1a2C3ymFceY/DCBVvsKhRF0iEA4=
@@ -158,13 +201,16 @@ github.com/exoscale/egoscale v0.18.1/go.mod h1:Z7OOdzzTOz1Q1PjQXumlz9Wn/CddH0zSY
 github.com/farsightsec/golang-framestream v0.0.0-20190425193708-fa4b164d59b8 h1:/iPdQppoAsTfML+yqFSq2EBChiEMnRkh5WvhFgtWwcU=
 github.com/farsightsec/golang-framestream v0.0.0-20190425193708-fa4b164d59b8/go.mod h1:eNde4IQyEiA5br02AouhEHCu3p3UzrCdFR4LuQHklMI=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
 github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
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@@ -183,9 +229,11 @@ github.com/go-openapi/jsonpointer v0.0.0-20160704185906-46af16f9f7b1/go.mod h1:+
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@@ -195,6 +243,7 @@ github.com/gogo/protobuf v1.3.1/go.mod h1:SlYgWuQ5SjCEi6WLHjHCa1yvBfUnHcTbrrZtXP
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@@ -220,6 +269,8 @@ github.com/golang/protobuf v1.4.2 h1:+Z5KGCizgyZCbGh1KZqA0fcLLkwbsjIzS4aV2v7wJX0
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@@ -259,6 +310,8 @@ github.com/gorilla/mux v1.7.3/go.mod h1:1lud6UwP+6orDFRuTfBEV8e9/aOM/c4fVVCaMa2z
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@@ -270,14 +323,20 @@ github.com/grpc-ecosystem/grpc-gateway v1.9.5/go.mod h1:vNeuVxBJEsws4ogUvrchl83t
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@@ -286,12 +345,17 @@ github.com/imdario/mergo v0.3.9/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJ
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@@ -301,6 +365,8 @@ github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/
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@@ -329,17 +395,34 @@ github.com/marten-seemann/chacha20 v0.2.0/go.mod h1:HSdjFau7GzYRj+ahFNwsO3ouVJr1
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@@ -350,6 +433,12 @@ github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJ
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@@ -434,21 +541,29 @@ github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1
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@@ -457,15 +572,27 @@ github.com/transip/gotransip v0.0.0-20190812104329-6d8d9179b66f/go.mod h1:i0f4R4
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+github.com/urfave/cli v1.22.4/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
 github.com/vultr/govultr v0.1.4/go.mod h1:9H008Uxr/C4vFNGLqKx232C206GL0PBHzOP0809bGNA=
+github.com/willf/bitset v1.1.3/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
+github.com/willf/bitset v1.1.9/go.mod h1:RjeCKbqT1RxIR/KWY6phxZiaY1IyutSBfGjNPySAYV4=
+github.com/willf/bloom v0.0.0-20170505221640-54e3b963ee16/go.mod h1:MmAltL9pDMNTrvUkxdg0k0q5I0suxmuwp3KbyrZLOZ8=
 github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f/go.mod h1:N2zxlSyiKSe5eX1tZViRH5QA0qijqEDrYZiPEAiq3wU=
 github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415/go.mod h1:GwrjFmJcFw6At/Gs6z4yjiIwzuJ1/+UwLxMQDVQXShQ=
 github.com/xeipuuv/gojsonschema v1.1.0/go.mod h1:5yf86TLmAcydyeJq5YvxkGPE2fm/u4myDekKRoLuqhs=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2 h1:eY9dn8+vbi4tKz5Qo6v2eYzo7kUS51QINcR5jNpbZS8=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
+github.com/youtube/vitess v2.1.1+incompatible/go.mod h1:hpMim5/30F1r+0P8GGtB29d0gWHr0IZ5unS+CG0zMx8=
+github.com/youtube/vitess v2.2.0-rc.1+incompatible h1:3v09CMupxKooCj60rwxVrSDYnWy+Vrm++Vr3AX4R/5M=
+github.com/youtube/vitess v2.2.0-rc.1+incompatible/go.mod h1:hpMim5/30F1r+0P8GGtB29d0gWHr0IZ5unS+CG0zMx8=
 github.com/yuin/goldmark v1.1.25/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
+github.com/yuin/gopher-lua v0.0.0-20190206043414-8bfc7677f583/go.mod h1:gqRgreBUhTSL0GeU64rtZ3Uq3wtjOa/TB2YfrtkCbVQ=
+github.com/zeebo/bencode v1.0.0 h1:zgop0Wu1nu4IexAZeCZ5qbsjU4O1vMrfCrVgUjbHVuA=
+github.com/zeebo/bencode v1.0.0/go.mod h1:Ct7CkrWIQuLWAy9M3atFHYq4kG9Ao/SsY5cdtCXmp9Y=
 go.etcd.io/bbolt v1.3.3 h1:MUGmc65QhB3pIlaQ5bB4LwqSj6GIonVJXpZiaKNyaKk=
 go.etcd.io/bbolt v1.3.3/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
+go.etcd.io/bbolt v1.3.5 h1:XAzx9gjCb0Rxj7EoqcClPD1d5ZBxZJk0jbuoPHenBt0=
+go.etcd.io/bbolt v1.3.5/go.mod h1:G5EMThwa9y8QZGBClrRx5EY+Yw9kAhnjy3bSjsnlVTQ=
 go.etcd.io/etcd v0.5.0-alpha.5.0.20200306183522-221f0cc107cb h1:TcJ8iNja1CH/h/3QcsydKL5krb0MIPjMJLYgzClNaSQ=
 go.etcd.io/etcd v0.5.0-alpha.5.0.20200306183522-221f0cc107cb/go.mod h1:VZB9Yx4s43MHItytoe8jcvaEFEgF2QzHDZGfQ/XQjvQ=
 go.opencensus.io v0.20.1/go.mod h1:6WKK9ahsWS3RSO+PY9ZHZUfv2irvY6gN279GOPZjmmk=
@@ -494,6 +621,7 @@ golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACk
 golang.org/x/crypto v0.0.0-20190418165655-df01cb2cc480/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
+golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190701094942-4def268fd1a4/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190829043050-9756ffdc2472/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190911031432-227b76d455e7/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
@@ -501,6 +629,7 @@ golang.org/x/crypto v0.0.0-20191002192127-34f69633bfdc/go.mod h1:yigFU9vqHzYiE8U
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191202143827-86a70503ff7e/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200220183623-bac4c82f6975/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/crypto v0.0.0-20200414173820-0848c9571904/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/exp v0.0.0-20190121172915-509febef88a4/go.mod h1:CJ0aWSM057203Lf6IL+f9T1iT9GByDxfZKAQTCR3kQA=
@@ -535,11 +664,13 @@ golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.2.0 h1:KU7oHjnv3XNWfa5COkzUifxZmxp1TyI7ImMXqFxLwvQ=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20170114055629-f2499483f923/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20180524181706-dfa909b99c79/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180611182652-db08ff08e862/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
+golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190125091013-d26f9f9a57f3/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -588,8 +719,11 @@ golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181122145206-62eef0e2fa9b/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190102155601-82a175fd1598/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190204203706-41f3e6584952/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190209173611-3b5209105503/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -611,12 +745,14 @@ golang.org/x/sys v0.0.0-20191204072324-ce4227a45e2e/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20191228213918-04cbcbbfeed8/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200106162015-b016eb3dc98e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200113162924-86b910548bc1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200122134326-e047566fdf82/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200202164722-d101bd2416d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200212091648-12a6c2dcc1e4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200323222414-85ca7c5b95cd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200331124033-c3d80250170d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200413165638-669c56c373c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1 h1:ogLJMz+qpzav7lGMh10LMvAkM/fAoGlaiiHYiFYdm80=
 golang.org/x/sys v0.0.0-20200615200032-f1bc736245b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=

plugin.cfg

@@ -64,3 +64,4 @@ erratic:erratic
 whoami:whoami
 on:github.com/caddyserver/caddy/onevent
 sign:sign
+torrent:torrent

plugin/torrent/README.md

@@ -26,13 +26,13 @@ For peers seeding the torrent use this, slightly expanded, syntax
 
 ~~~ txt
 torrent DBFILE {
-    seed
+    dht
+//    directory (temp storage)
+//    port for dth, etc.
 }
 ~~~
 
-* `seed` tells *torrent* to seed content from **DBFILE** to the peers, it will _never_ write to
-  **DBFILE**. When `seed` is _not_ specified **DBFILE** will be written to once the entire torrent
-  is downloaded.
+* `dth` starts a DTH server on address
 
 ## Examples
 

plugin/torrent/info.go

+package torrent
+
+import (
+	"crypto/sha1"
+	"io"
+	"os"
+	"strings"
+
+	"github.com/zeebo/bencode"
+)
+
+const pieceLength = 2048 * 10
+
+// pieces will hash the file in path on 256kb boundaries and return the (sha1) hashes.
+func pieces(path string) (int, string, error) {
+	f, err := os.Open(path)
+	if err != nil {
+		return 0, "", err
+	}
+	hashes := "" // concatenated string of hash (strings)
+	buf := make([]byte, 2048)
+	h := sha1.New()
+	chunk := 0
+	length := 0
+	n, err := f.Read(buf)
+	for err != nil {
+		h.Write(buf[:n])
+		chunk++
+		length += n
+		if chunk > 10 {
+			chunk = 0
+			hashes += string(h.Sum(nil))
+			h = sha1.New()
+		}
+		n, err = f.Read(buf)
+	}
+	if n > 0 {
+		length += n
+		h.Write(buf[:n])
+		hashes += string(h.Sum(nil))
+	}
+
+	return length, hashes, nil
+}
+
+// Info is the torrent meta data for a single file.
+type Info struct {
+	Pieces      string `bencode:"pieces"`
+	PieceLength int    `bencode:"piece length"`
+	Length      int    `bencode:"length"`
+	Name        string `bencode:"name"`
+}
+
+// TorrentInfo contains the meta data for this torrent.
+type TorrentInfo struct {
+	Nodes []string `bencode:"nodes"`
+	Info  Info     `bencode:"info"`
+}
+
+func NewTorrentInfo(path string) (*TorrentInfo, error) {
+	length, pieces, err := pieces(path)
+	if err != nil {
+		return nil, err
+	}
+	i := Info{Pieces: pieces, PieceLength: 2048 * 10, Length: length, Name: path}
+	return &TorrentInfo{Nodes: []string{}, Info: i}, nil
+}
+
+func (t *TorrentInfo) ToReader() io.Reader {
+	s, err := bencode.EncodeString(t)
+	if err != nil {
+		return nil
+	}
+	return strings.NewReader(s)
+}

plugin/torrent/session.go

 package torrent
 
 import (
+	"io/ioutil"
 	"log"
+	"path/filepath"
 	"time"
 
 	rtorrent "github.com/cenkalti/rain/torrent"
 )
 
-func (t *Torrent) StartSession() error {
-	s, err := rtorrent.NewSession(torrent.DefaultConfig)
+func (t *Torrent) Do() error {
+	dc := rtorrent.DefaultConfig
+	dc.DHTEnabled = t.dht
+	dc.RPCEnabled = false
+	dc.DHTBootstrapNodes = []string{"127.0.0.1:7246"} // its a me
+
+	td, err := ioutil.TempDir("", "example")
+	if err != nil {
+		return err
+	}
+	dc.DataDir = td
+	dc.Database = filepath.Join(td, "session.db")
+	s, err := rtorrent.NewSession(dc)
+	if err != nil {
+		return err
+	}
+
+	ti, err := NewTorrentInfo("plugin/torrent/testdata/db.miek.nl")
+	if err != nil {
+		return err
+	}
+
+	tor, err := s.AddTorrent(ti.ToReader(), nil)
 	if err != nil {
 		return err
 	}
+	//	mag, _ := tor.Magnet()
 
-	// Add magnet link
-	tor, _ := ses.AddURI(magnetLink, nil)
+	go s.StartAll()
 
 	// Watch the progress
 	for range time.Tick(time.Second) {
 		s := tor.Stats()
 		log.Printf("Status: %s, Downloaded: %d, Peers: %d", s.Status.String(), s.Bytes.Completed, s.Peers.Total)
 	}
+	return nil
 
 }

plugin/torrent/setup.go

@@ -14,12 +14,12 @@ func init() { plugin.Register("torrent", setup) }
 func setup(c *caddy.Controller) error {
 	tor, err := parse(c)
 	if err != nil {
-		return plugin.Error("sign", err)
+		return plugin.Error("torrent", err)
 	}
 
 	c.OnStartup(func() error {
-		// go tor.do()
-		return nil
+		err := tor.Do()
+		return err
 	})
 	c.OnShutdown(func() error {
 		close(tor.stop)
@@ -31,7 +31,7 @@ func setup(c *caddy.Controller) error {
 }
 
 func parse(c *caddy.Controller) (*Torrent, error) {
-	t := &Torrent{}
+	t := &Torrent{stop: make(chan struct{})}
 	config := dnsserver.GetConfig(c)
 
 	for c.Next() {
@@ -46,8 +46,8 @@ func parse(c *caddy.Controller) (*Torrent, error) {
 
 		for c.NextBlock() {
 			switch c.Val() {
-			case "seed":
-				t.seed = true
+			case "dht":
+				t.dht = true
 			default:
 				return nil, c.Errf("unknown property '%s'", c.Val())
 			}

plugin/torrent/setup_test.go

@@ -13,10 +13,10 @@ func TestParse(t *testing.T) {
 		exp       *Torrent
 	}{
 		{`torrent testdata/db.miek.nl {
-			seed
+			dht
 		 }`,
 			false,
-			&Torrent{dbfile: "testdata/db.miek.nl", seed: true},
+			&Torrent{dbfile: "testdata/db.miek.nl", dht: true},
 		},
 		{`torrent testdata/db.miek.nl`,
 			false,
@@ -46,8 +46,8 @@ func TestParse(t *testing.T) {
 		if x := tor.dbfile; x != tc.exp.dbfile {
 			t.Errorf("Test %d expected %s as dbfile, got %s", i, tc.exp.dbfile, x)
 		}
-		if x := tor.seed; x != tc.exp.seed {
-			t.Errorf("Test %d expected %T as seed, got %T", i, tc.exp.seed, x)
+		if x := tor.dth; x != tc.exp.dth {
+			t.Errorf("Test %d expected %T as seed, got %T", i, tc.exp.dth, x)
 		}
 	}
 }

plugin/torrent/testdata/db.miek.nl

+$TTL    30M
+$ORIGIN miek.nl.
+@       IN      SOA     linode.atoom.net. miek.miek.nl. ( 1282630060 4H 1H 7D 4H )
+                IN      NS      linode.atoom.net.
+                IN      MX      1  aspmx.l.google.com.
+		IN 	AAAA    2a01:7e00::f03c:91ff:fe79:234c
+		IN	DNSKEY  257 3 13 sfzRg5nDVxbeUc51su4MzjgwpOpUwnuu81SlRHqJuXe3SOYOeypR69tZ52XLmE56TAmPHsiB8Rgk+NTpf0o1Cw==
+
+a		IN 	AAAA    2a01:7e00::f03c:91ff:fe79:234c
+www     	IN 	CNAME 	a
+
+
+bla                 IN  NS      ns1.bla.com.
+ns3.blaaat.miek.nl. IN  AAAA    ::1 ; non-glue, should be signed.
+; in baliwick nameserver that requires glue, should not be signed
+bla                 IN  NS      ns2.bla.miek.nl.
+ns2.bla.miek.nl.    IN  A       127.0.0.1

plugin/torrent/torrent.go

@@ -3,7 +3,7 @@ package torrent
 // Torrent contains the file data that needs to be torrented.
 type Torrent struct {
 	dbfile string
-	seed   bool
+	dht    bool
 
 	stop chan struct{}
 }